Finishing method for reactive dye inkjet printing based on the cationic modifier ink

Abstract

A finishing method for reactive dye inkjet printing based on a cationic modifier includes: using the inkjet printing method to spray print the cationic modifier ink and the reactive dye ink on the cellulose fiber fabrics' pattern area after being subjected to sizing treatment, then subjecting the fabrics to steaming or baking treatment, and subjecting the fabrics to soaping to get the reactive dye inkjet printing fabrics. The timespan of spray printing the cationic modifier ink and reactive dye ink is 0-2 min. Cationic modifier ink includes 1.0-60.0 wt % cationic modifier. The cationic modifier refers to the molecular whose structure contains reactive group and positive charge group and the number average molecular weight of 100-30000. The reactive group is one or more in the group containing epoxy group, triazine, pyridine, and olefin. The positive charge group is one or more in the group containing quaternary ammonium salt, and ammonium chloride.

Claims

1. A finishing method for reactive dye inkjet printing based on a cationic modifier ink, comprising: inkjet printing the cationic modifier ink and a reactive dye ink in one step onto a pattern area of a cellulose fiber fabric subjected to a sizing treatment by an inkjet printing method to obtain a printed cellulose fiber fabric; and performing a steaming treatment or a baking treatment on the printed cellulose fiber fabric to obtain a reactive dye inkjet fabric; wherein a timespan of the inkjet printing the cationic modifier ink and inkjet printing the reactive dye ink is 0-2 min; the cationic modifier ink is an ink containing 1.0 wt %-60.0 wt % of a cationic modifier; the cationic modifier is one selected from the group consisting of 2,3-epoxypropyltrimethylammonium chloride, 2,3-epoxypropyltriethylammonium chloride, 3-chloro-2-hydroxypropyltrimethylammonium chloride, 3-chloro-2-hydroxypropyltriethylammonium chloride, monochlorotriazine-type quaternary ammonium salt compound, azetidine cation compound, and choline chloride; and a reactive dye used in the reactive dye ink is monochlorotriazine, dichloromestriazine, or a vinylsulfone type reactive dye.

2. The finishing method of claim 1, wherein the sizing treatment comprises: dipping and rolling the cellulose fiber fabric with a liquid content in the cellulose fiber fabric being 60 wt %-100 wt % to obtain a rolled cellulose fiber fabric, and drying the rolled cellulose fiber fabric to obtain a sized cellulose fiber fabric; wherein the cellulose fiber fabric is one selected from the group consisting of cotton fabrics, bast, viscose, tenel, and modal fiber.

3. The finishing method of claim 2, wherein the sizing treatment comprises 1.0 wt %-10.0 wt % of a base agent, 1.0 wt %-10.0 wt % of a thickener, 1.0 wt %-40.0 wt % of a hygroscopic agent, and deionized water as allowance; the base agent is at least one selected from the group consisting of sodium hydroxide, sodium bicarbonate, and sodium carbonate; the thickener is at least one selected from the group consisting of sodium alginate, starch, guar gum, and polyacrylic acid polymer type synthesis paste; and the hygroscopic agent is at least one selected from the group consisting of glycerol, urea, and polyethylene glycol.

4. The finishing method of claim 1, wherein the cationic modifier ink has a viscosity of 1-10 cP, and a surface tension of 30-66 mN/m; the cationic modifier ink is filtered through a 0.10-0.50 μm filter membrane after being mixed uniformly according to a component proportion.

5. The finishing method of claim 1, wherein the cationic modifier ink comprises: 5.0 wt %-10.0 wt % of a viscosity regulator wt %, 0.1 wt %-3.0 wt % of a surface tension regulator, 0 wt %-2.0 wt % of a pH regulator, 0 wt %-2.0 wt % of a fungicide, and water as allowance.

6. The finishing method of claim 5, wherein the viscosity regulator is at least one selected from the group consisting of glycerol, 1,2-propanediol, dimethyl sulfoxide, triethylene glycol, ethylene glycol, diethylene glycol ether, and polyethylene glycol 1000; the surface tension regulator is at least one selected from the group consisting of sodium dodecylsulfonate, sodium lauryl sulfate, sodium stearate, sodium laurate, cetyltrimethylammonium bromide, dodecyltrimethylammonium bromide, OP-emulsifier and tween-80.

7. The finishing method of claim 5, wherein the pH regulator is at least one selected from the group consisting of hydrochloric acid, sulfuric acid, citric acid, monoethanolamine, diethanolamine, triethanolamine, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate, sodium dihydrogen phosphate, sodium bicarbonate, sodium carbonate, and sodium hydroxide; the fungicide is at least one selected from the group consisting of benzoic acid, potassium sorbate, dehydroacetic acid, and sodium lactate.

8. The finishing method of claim 1, wherein a weight percentage of the reactive dye in the reactive dye ink is 5.0%-20.0%.

9. The finishing method of claim 1, wherein the steaming treatment comprises steaming with saturated steam at 100° C.−180° C. for 1-30 min, and the baking treatment comprises baking at 100° C.−180° C. for 6-30 min.

Description

DETAILED DESCRIPTION OF THE EMBODIMENTS

(1) Hereinafter, the present invention will be described in more detail by the following examples. It should be noticed that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. In addition, it should be noticed that after reading the content of the present invention, those skilled in this field can make various modifications or changes to the present invention, and these equivalent forms also apply to the scope of the appended claims of this application.

Example 1

(2) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(3) (1) Preparing the sizing agent;

(4) In the total weight of the sizing agent, the sizing agent comprises 2.0 wt % sodium bicarbonate, 2.0 wt % sodium alginate, 5.0 wt % urea and deionized water as allowance.

(5) (2) Perform sizing treatment to the cellulose fiber fabrics;

(6) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 80 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics is cotton fabrics.

(7) (3) Prepare the cationic modifier ink and the reactive dye ink;

(8) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 5.0 wt % 3-chloro-2-hydroxypropyltrimethylammonium chloride, 10.0 wt % ethylene glycol, 3.0 wt % glycerol, 0.2 wt % tween-80, 0.1 wt % triethanolamine, 0.1 wt % sodium sorbate, and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.22 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 3.5 cP, and the surface tension is 50 mN/m.

(9) The reactive dye used in the reactive dye ink is monochlorotriazine reactive dye, wherein the weight percentage of the reactive dye is 10%.

(10) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 1 min.

(11) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 115° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 1 min; 2) washing with 50° C. water for 1 min; 3) soaping with the 2 g/L soaping agent D-301 at 98° C. for 5 min; 4) washing with 50° C. water for 5 min; 5) washing at room temperature for 5 min.

(12) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 14.8, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 3-4.

Comparative Example 1

(13) A finishing method for reactive dye ink jet printing whose steps are basically the same as those in example 1. The differences are, step (3) doesn't prepare cationic modifier ink and step (4) doesn't ink jet print the cationic modifier ink. The obtained ink jet printed fabrics have K/S value of 11.9, the dry fastness of level 4, and the wet fastness of level 3. Compare example 1 and comparative example 1, using reactive dye ink jet print method based on the cationic modifier ink can significantly improve the K/S value of the reactive dye ink jet printed fabrics. This method also combines the cationization and the fixation of the reactive dye into one step, which significantly shortens the technological procedure and saves the energy. We can tell form the comparison between rubbing fastness of example 1 and comparative example 1 that the ink jet printed fabrics obtained in this invention has the dry rubbing fastness of level 4-5, wet rubbing fastness of level 3 or higher level. It can be told that, the ink jet printed cotton fabrics using the method in this invention can reach a high level of both dry and wet rubbing fastness.

Example 2

(14) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(15) (1) Preparing the sizing agent;

(16) In the total weight of the sizing agent, the sizing agent comprises 2.5 wt % sodium bicarbonate, 3.0 wt % sodium alginate, 10.0 wt % urea and deionized water as allowance.

(17) (2) Perform sizing treatment to the cellulose fiber fabrics;

(18) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 80 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics is cotton fabrics.

(19) (3) Prepare the cationic modifier ink and the reactive dye ink;

(20) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 40.0 wt % 3-chloro-2-hydroxypropyltrimethylammonium chloride, 10.0 wt % ethylene glycol, 5.0 wt % glycerol, 0.25 wt % tween-80, 0.1 wt % diethanolamine, 0.1 wt % sodium sorbate, and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.22 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 4.2 cP, and the surface tension is 40 mN/m.

(21) The reactive dye used in the reactive dye ink is dichlorotriazine reactive dye, wherein the weight percentage of the reactive dye is 15.0%.

(22) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 1 min.

(23) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 100° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 1 min; 2) washing with 50° C. water for 1 min; 3) soaping with the 2 g/L soaping agent D-301 at 98° C. for 5 min; 4) washing with 50° C. water for 5 min; 5) washing at room temperature for 5 min.

(24) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 16.9, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 4.

Example 3

(25) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(26) (1) Preparing the sizing agent;

(27) In the total weight of the sizing agent, the sizing agent comprises 4.0 wt % sodium bicarbonate, 5.0 wt % sodium alginate, 15.0 wt % urea and deionized water as allowance.

(28) (2) Perform sizing treatment to the cellulose fiber fabrics;

(29) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 70 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics is cotton fabrics.

(30) (3) Prepare the cationic modifier ink and the reactive dye ink;

(31) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 25.0 wt % 3-chloro-2-hydroxypropyltrimethylammonium chloride, 14.0 wt % ethylene glycol, 5.0 wt % glycerol, 0.25 wt % tween-80, 0.2 wt % monoethanolamine, 0.1 wt % sodium sorbate, and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.22 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 5 cP, and the surface tension is 55 mN/m.

(32) The reactive dye used in the reactive dye ink is vinyl sulfone reactive dye, wherein the weight percentage of the reactive dye is 20.0%.

(33) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 1 min.

(34) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 100° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 1 min; 2) washing with 50° C. water for 1 min; 3) soaping with the 2 g/L soaping agent D-301 at 98° C. for 5 min; 4) washing with 50° C. water for 5 min; 5) washing at room temperature for 5 min.

(35) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 16.9, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 4.

Example 4

(36) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(37) (1) Preparing the sizing agent;

(38) In the total weight of the sizing agent, the sizing agent comprises 6.0 wt % sodium bicarbonate, 5.0 wt % sodium alginate, 20.0 wt % urea and deionized water as allowance.

(39) (2) Perform sizing treatment to the cellulose fiber fabrics;

(40) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 60 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics is cotton fabrics.

(41) (3) Prepare the cationic modifier ink and the reactive dye ink;

(42) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 20.0 wt % 3-chloro-2-hydroxypropyltrimethylammonium chloride, 10.0 wt % ethylene glycol, 4.0 wt % glycerol, 3.0 wt % tween-80, 0.1 wt % sodium carbonate, 0.1 wt % sodium sorbate, and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.22 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 3.6 cP, and the surface tension is 50 mN/m.

(43) The reactive dye used in the reactive dye ink is dichloromesatriazine reactive dye, wherein the weight percentage of the reactive dye is 10.0%.

(44) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(45) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 140° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 1 min; 2) washing with 50° C. water for 1 min; 3) soaping with the 2 g/L soaping agent D-301 at 98° C. for 5 min; 4) washing with 50° C. water for 5 min; 5) washing at room temperature for 5 min.

(46) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 13.2, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 3-4.

Example 5

(47) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(48) (1) Preparing the sizing agent;

(49) In the total weight of the sizing agent, the sizing agent comprises 1.0 wt % sodium bicarbonate, 10.0 wt % starch, 2.0 wt % glycerol, 3.0 wt % urea, 1.0 wt % polyethylene glycol and deionized water as allowance.

(50) (2) Perform sizing treatment to the cellulose fiber fabrics;

(51) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 60 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics is cotton fabrics.

(52) (3) Prepare the cationic modifier ink and the reactive dye ink;

(53) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 1.0 wt % 2,3-epoxypropyltrimethylammonium chloride, 5.0 wt % glycerol, 0.1 wt % sodium dodecyl sulfonate, 2.0 wt % hydrochloric acid, 2.0 wt % benzoic acid, and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.10 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 5.5 cP, and the surface tension is 55 mN/m.

(54) The reactive dye used in the reactive dye ink is dichloromethanetriazine and vinyl sulfone double reactive group reactive dye, wherein the weight percentage of the reactive dye is 5.0%.

(55) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 0 min.

(56) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 150° C. for 30 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 2 min; 2) washing with 50° C. water for 3 min; 3) soaping with the 2 g/L soaping agent D-301 at 97° C. for 8 min; 4) washing with 56° C. water for 4 min; 5) washing at room temperature for 4 min.

(57) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 9.3, the dry rubbing fastness of level 4, and the wet rubbing fastness of level 3-4.

Example 6

(58) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(59) (1) Preparing the sizing agent;

(60) In the total weight of the sizing agent, the sizing agent comprises 5.0 wt % sodium carbonate, 5.0 wt % guar gum, 1.0 wt % glycerol, 1.0 wt % urea, 1.0 wt % polyethylene glycol and deionized water as allowance.

(61) (2) Perform sizing treatment to the cellulose fiber fabrics;

(62) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 100 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are mixed by cotton, bast, and modal fabrics (mass ratio is 1:1:1).

(63) (3) Prepare the cationic modifier ink and the reactive dye ink;

(64) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 60.0 wt % 2,3-epoxypropyltriethylammonium chloride, 10.0 wt % 1,2-propanediol, 3.0 wt % sodium lauryl sulfate, 2.0 wt % sulfuric acid, and 2.0 wt % dehydroacetic acid and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.50 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 6 cP, and the surface tension is 55 mN/m.

(65) The reactive dye used in the reactive dye ink is vinyl sulfone reactive group reactive dye, wherein the weight percentage of the reactive dye is 20.0%.

(66) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(67) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 180° C. for 6 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 2 min; 2) washing with 50° C. water for 3 min; 3) soaping with the 3 g/L soaping agent D-301 at 97° C. for 8 min; 4) washing with 56° C. water for 4 min; 5) washing at room temperature for 4 min.

(68) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 15.1, the dry rubbing fastness of level 4-5, and the wet rubbing fastness of level 3-4.

Example 7

(69) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(70) (1) Preparing the sizing agent;

(71) In the total weight of the sizing agent, the sizing agent comprises 1.0 wt % sodium bicarbonate, 1.0 wt % polyacrylic polymer type synthetic paste, 4 wt % glycerol, 4 wt % urea, 4 wt % polyethylene glycol and deionized water as allowance.

(72) (2) Perform sizing treatment to the cellulose fiber fabrics;

(73) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 60 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are viscose fabrics.

(74) (3) Prepare the cationic modifier ink and the reactive dye ink;

(75) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 20.0 wt % 3-chloro-2-hydroxypropyltriethylammonium chloride, 15. wt % dimethylsulfoxide, 0.8 wt % sodium stearate, 0.2 wt % citric acid, and 0.2 wt % sodium lactate and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.10 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 10 cP, and the surface tension is 50 mN/m.

(76) The reactive dye used in the reactive dye ink is fluorotriazine reactive group reactive dye, wherein the weight percentage of the reactive dye is 15.0%.

(77) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(78) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 100° C. for 18 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 2 min; 2) washing with 50° C. water for 3 min; 3) soaping with the 3 g/L soaping agent D-301 at 97° C. for 8 min; 4) washing with 56° C. water for 4 min; 5) washing at room temperature for 4 min.

(79) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 16, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 3-4.

Example 8

(80) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(81) (1) Preparing the sizing agent;

(82) In the total weight of the sizing agent, the sizing agent comprises 10.0 wt % sodium carbonate, 8.0 wt % starch, 10.0 wt % glycerol, 10.0 wt % urea, 10.0 wt % polyethylene glycol and deionized water as allowance.

(83) (2) Perform sizing treatment to the cellulose fiber fabrics;

(84) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 70 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are viscose fabrics.

(85) (3) Prepare the cationic modifier ink and the reactive dye ink;

(86) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 1.0 wt % of 2-chloro-4,6-diamino-1,3,5-triazine, 5 wt % of triethylene glycol, 0.8 wt % of sodium laurate, 1.2 wt % of dipotassium hydrogen phosphate, 0.2 wt % dehydroacetic acid and 0.2 wt % sodium lactate and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.50 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 3.2 cP, and the surface tension is 30 mN/m.

(87) The reactive dye used in the reactive dye ink is fluorotriazine reactive group reactive dye, wherein the weight percentage of the reactive dye is 8.0%.

(88) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(89) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 130° C. for 20 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 2 min; 2) washing with 50° C. water for 3 min; 3) soaping with the 3 g/L soaping agent D-301 at 97° C. for 8 min; 4) washing with 56° C. water for 4 min; 5) washing at room temperature for 4 min.

(90) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 12.8, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 3-4.

Example 9

(91) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(92) (1) Preparing the sizing agent;

(93) In the total weight of the sizing agent, the sizing agent comprises 10.0 wt % sodium carbonate, 10.0 wt % sea polyacrylic polymer synthetic paste, 5.0 wt % glycerol, 5.0 wt % urea, 5.0 wt % polyethylene glycol and deionized water as allowance.

(94) (2) Perform sizing treatment to the cellulose fiber fabrics;

(95) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 60 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are viscose fabrics.

(96) (3) Prepare the cationic modifier ink and the reactive dye ink;

(97) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 8.0 wt % N-dimethylazetidine chloride, 15.0 wt % ethylene glycol, 2 wt % dodecyltrimethylammonium bromide, 2.0 wt % potassium dihydrogen phosphate, 2.0 wt % potassium sorbate, 2.0 wt % dehydroacetic acid and 2.0 wt % sodium lactate and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.10 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 2 cP, and the surface tension is 40 mN/m.

(98) The reactive dye used in the reactive dye ink is fluorotriazine reactive group reactive dye, wherein the weight percentage of the reactive dye is 18.0%.

(99) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(100) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 140° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 2 min; 2) washing with 50° C. water for 3 min; 3) soaping with the 3 g/L soaping agent D-301 at 97° C. for 8 min; 4) washing with 56° C. water for 4 min; 5) washing at room temperature for 4 min.

(101) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 15.3, the dry rubbing fastness of level 4-5, and the wet rubbing fastness of level 4.

Example 10

(102) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(103) (1) Preparing the sizing agent;

(104) In the total weight of the sizing agent, the sizing agent comprises 10.0 wt % sodium carbonate, 3 wt % polyacrylic polymer type synthetic paste, 30.0 wt % polyethylene glycol and deionized water as allowance.

(105) (2) Perform sizing treatment to the cellulose fiber fabrics;

(106) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 100 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are tenel fabrics.

(107) (3) Prepare the cationic modifier ink and the reactive dye ink;

(108) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 30 wt % choline chloride, 15.0 wt % diethylene glycol ether, 0.3 wt % OP-emulsifier, 2.0 wt % disodium hydrogen phosphate, and 2.0 wt % benzoic acid and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.50 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 10 cP, and the surface tension is 66 mN/m.

(109) The reactive dye used in the reactive dye ink is dichloromesatriazinereactive group reactive dye, wherein the weight percentage of the reactive dye is 20.0%.

(110) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 0 min.

(111) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 100° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 3 min; 2) washing with 50° C. water for 4 min; 3) soaping with the 2 g/L soaping agent D-301 at 95° C. for 7 min; 4) washing with 55° C. water for 3 min; 5) washing at room temperature for 5 min.

(112) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 18.2, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 4.

Example 11

(113) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(114) (1) Preparing the sizing agent;

(115) In the total weight of the sizing agent, the sizing agent comprises 3.0 wt % sodium hydroxide, 6.0 wt % starch, 40.0 wt % polyethylene glycol and deionized water as allowance.

(116) (2) Perform sizing treatment to the cellulose fiber fabrics;

(117) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 70 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are modal fabrics.

(118) (3) Prepare the cationic modifier ink and the reactive dye ink;

(119) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 20.0 wt % choline chloride, 15.0 wt % polyethylene glycol 1000, 0.1 wt % OP-emulsifier, 0.1 wt % OP-emulsifier, 2.0 wt % sodium dihydrogen phosphate, and 0.2 wt % benzoic acid and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.10 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 1 cP, and the surface tension is 30 mN/m.

(120) The reactive dye used in the reactive dye ink is vinyl sulfonegroup reactive dye, wherein the weight percentage of the reactive dye is 10.0%.

(121) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(122) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 140° C. for 15 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 3 min; 2) washing with 50° C. water for 4 min; 3) soaping with the 2 g/L soaping agent D-301 at 95° C. for 7 min; 4) washing with 55° C. water for 3 min; 5) washing at room temperature for 5 min.

(123) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 13.0, the dry rubbing fastness of level 4-5, and the wet rubbing fastness of level 3-4.

Example 12

(124) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(125) (1) Preparing the sizing agent;

(126) In the total weight of the sizing agent, the sizing agent comprises 5.0 wt % sodium carbonate, 6.0 wt % sodium alginate, 18.0 wt % urea and deionized water as allowance.

(127) (2) Perform sizing treatment to the cellulose fiber fabrics;

(128) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 80 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are mixed by cotton, and bast (mass ratio is 1:1).

(129) (3) Prepare the cationic modifier ink and the reactive dye ink;

(130) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 10.0 wt % 3-chloro-2-hydroxypropyltriethylammonium chloride, 5.0 wt % glycerol, 5.0 wt % 1,2-propanediol, 5.0 wt % dimethylsulfoxide, 0.1 wt % tween-80, 0.2 wt % sodium bicarbonate and 0.3 wt % potassium sorbate and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.50 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 5.2 cP, and the surface tension is 35 mN/m.

(131) The reactive dye used in the reactive dye ink is monochlorotriazine reactive dye, wherein the weight percentage of the reactive dye is 5.0%.

(132) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(133) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 140° C. for 30 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 3 min; 2) washing with 50° C. water for 4 min; 3) soaping with the 2 g/L soaping agent D-301 at 95° C. for 7 min; 4) washing with 55° C. water for 3 min; 5) washing at room temperature for 5 min.

(134) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 9.9, the dry rubbing fastness of level 4-5, and the wet rubbing fastness of level 3-4.

Example 13

(135) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(136) (1) Preparing the sizing agent;

(137) In the total weight of the sizing agent, the sizing agent comprises 5.0 wt % sodium carbonate, 8.0 wt % sodium alginate, 18.0 wt % glycerol and deionized water as allowance.

(138) (2) Perform sizing treatment to the cellulose fiber fabrics;

(139) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 100 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are cotton fabrics.

(140) (3) Prepare the cationic modifier ink and the reactive dye ink;

(141) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 55.0 wt % 3-chloro-2-hydroxypropyltriethylammonium chloride, 18.0 wt % dimethylsulfoxide, 0.1 wt % sodium dodecyl sulfate, 0.1 wt % dodecyl sulfate sodium, 0.1 wt % sodium laurate and 2.0 wt % sodium carbonate and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.25 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 4.5 cP, and the surface tension is 55 mN/m.

(142) The reactive dye used in the reactive dye ink is dichloromesatriazinereactive dye, wherein the weight percentage of the reactive dye is 18.0%.

(143) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 1 min.

(144) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 120° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 3 min; 2) washing with 50° C. water for 4 min; 3) soaping with the 2 g/L soaping agent D-301 at 95° C. for 7 min; 4) washing with 55° C. water for 3 min; 5) washing at room temperature for 5 min.

(145) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 16.4, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 4-5.

Example 14

(146) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(147) (1) Preparing the sizing agent;

(148) In the total weight of the sizing agent, the sizing agent comprises 3.0 wt % sodium hydroxide, 2.0 wt % sodium alginate, 30.0 wt % glycerol and deionized water as allowance.

(149) (2) Perform sizing treatment to the cellulose fiber fabrics;

(150) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 70 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are mixed by cotton fabrics and bast fabrics (mass ratio 1:1).

(151) (3) Prepare the cationic modifier ink and the reactive dye ink;

(152) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 35.0 wt % 3-chloro-2-hydroxypropyltrimethylammonium chloride, 15.0 wt % ethylene glycol, 0.1 wt % OP-emulsifier, and 0.2 wt % sodium hydroxide and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.50 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 5.5 cP, and the surface tension is 40 mN/m.

(153) The reactive dye used in the reactive dye ink is monochlorotriazine dye, wherein the weight percentage of the reactive dye is 18.0%.

(154) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 1 min.

(155) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 180° C. for 30 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 3 min; 2) washing with 50° C. water for 1 min; 3) soaping with the 2 g/L soaping agent D-301 at 95° C. for 7 min; 4) washing with 55° C. water for 3 min; 5) washing at room temperature for 5 min.

(156) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 12.3, the dry rubbing fastness of level 4-5, and the wet rubbing fastness of level 4.

Example 15

(157) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(158) (1) Preparing the sizing agent;

(159) In the total weight of the sizing agent, the sizing agent comprises 4.0 wt % sodium hydroxide, 5.0 wt % sodium alginate, 22.0 wt % glycerol and deionized water as allowance.

(160) (2) Perform sizing treatment to the cellulose fiber fabrics;

(161) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 60 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are modal fabrics.

(162) (3) Prepare the cationic modifier ink and the reactive dye ink;

(163) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 15.0 wt % 3-chloro-2-hydroxypropyltrimethylammonium chloride, 16.0 wt % ethylene glycol, 3.0 wt % tween-80, 0.2 wt % sodium bicarbonate, 0.2 wt % carbonic acid Sodium pH adjuster and 0.2 wt % dehydroacetic acid and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.10 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 6.5 cP, and the surface tension is 60 mN/m.

(164) The reactive dye used in the reactive dye ink is dichloromesatriazine dye, wherein the weight percentage of the reactive dye is 12.0%.

(165) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 1 min.

(166) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 180° C. for 30 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 1 min; 2) washing with 40° C. water for 1 min; 3) soaping with the 1 g/L soaping agent D-301 at 90° C. for 5 min; 4) washing with 40° C. water for 1 min; 5) washing at room temperature for 1 min.

(167) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 11.5, the dry rubbing fastness of level 4, and the wet rubbing fastness of level 3-4.

Example 16

(168) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(169) (1) Preparing the sizing agent;

(170) In the total weight of the sizing agent, the sizing agent comprises 2.5 wt % sodium hydroxide, 0.5 wt % sodium bicarbonate, 4.0 wt % sodium alginate, 2.0 wt % starch, 25.0 wt % polyethylene glycol and deionized water as allowance.

(171) (2) Perform sizing treatment to the cellulose fiber fabrics;

(172) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 80 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are viscose fabrics.

(173) (3) Prepare the cationic modifier ink and the reactive dye ink;

(174) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 40.0 wt % 2,3-epoxypropyltrimethylammonium chloride, 15.0 wt % ethylene glycol, 3.0 wt % tween-80, 0.2 wt % monoethanolamine, 0.2 wt % diethanolamine, and 0.2 wt % triethanolamine and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.50 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 5 cP, and the surface tension is 40 mN/m.

(175) The reactive dye used in the reactive dye ink is vinyl sulfonedye, wherein the weight percentage of the reactive dye is 20.0%.

(176) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(177) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 100° C. for 10 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 5 min; 2) washing with 60° C. water for 5 min; 3) soaping with the 4 g/L soaping agent D-301 at 98° C. for 10 min; 4) washing with 60° C. water for 5 min; 5) washing at room temperature for 5 min.

(178) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 17.3, the dry rubbing fastness of level 5, and the wet rubbing fastness of level 4-5.

Example 17

(179) A finishing method for reactive dye ink jet printing based on the cationic modifier ink, comprising the steps:

(180) (1) Preparing the sizing agent;

(181) In the total weight of the sizing agent, the sizing agent comprises 1.0 wt % sodium hydroxide, 1.0 wt % sodium bicarbonate, 1.0 wt % sodium carbonate, 2.0 wt % sodium alginate, 2.0 wt % starch, 2.0 wt % guar gum, 25.0 wt % glycerol and deionized water as allowance.

(182) (2) Perform sizing treatment to the cellulose fiber fabrics;

(183) Perform sizing treatment to the fabrics by dip-padding process, make sure the liquid content in the fabrics is 80 wt %. Obtain the cellulose fiber fabrics subjected to the sizing treatment, wherein the cellulose fiber fabrics are modal fabrics.

(184) (3) Prepare the cationic modifier ink and the reactive dye ink;

(185) In the total weight of the cationic modifier ink, the cationic modifier ink comprises 6.0 wt % 2,3-epoxypropyltrimethylammonium chloride, 15 wt % triethylene glycol, 3.0 wt % cetyltrimethylammonium bromide and water as allowance. Uniformly mix these components according to the proportion given above, and filter through the 0.40 μm filter membrane, and obtain the cationic modifier ink. The viscosity of the obtained cationic modifier ink is 7.2 cP, and the surface tension is 53 mN/m.

(186) The reactive dye used in the reactive dye ink is vinyl sulfonedye, wherein the weight percentage of the reactive dye is 16.0%.

(187) (4) Use the ink jet print method to ink jet print the cationic modifier ink and the reactive dye ink on the pattern area of the cellulose fiber fabrics after being subjected to the sizing treatment. The time span of ink jet printing the cationic modifier ink and the reactive dye ink is 2 min.

(188) (5) Obtain the reactive dye ink jet printed fabrics after baking treatment and soaping. Wherein the baking treatment refers to perform baking treatment at 100° C. for 1 min. The soaping treatment includes 5 steps: 1) washing at room temperature for 5 min; 2) washing with 60° C. water for 5 min; 3) soaping with the 4 g/L soaping agent D-301 at 98° C. for 10 min; 4) washing with 60° C. water for 5 min; 5) washing at room temperature for 5 min.

(189) Use DataColor tester to test K/S value (K/S value refers to the colour strength value of the fabrics) of the cotton fabrics obtained after being subjected to these treatments. Then test the washing fastness and the rubbing fastness. The test results show that the reactive dye ink jet printed fabrics have the K/S value of 7.9, the dry rubbing fastness of level 3-4, and the wet rubbing fastness of level 3.