POLYESTER COTTON-LIKE YARN-DYED FABRIC, AND MANUFACTURING METHOD AND APPLICATION THEREOF

Abstract

Disclosed are a polyester cotton-like yarn-dyed fabric, and a manufacturing method and application thereof. The polyester cotton-like yarn-dyed fabric is interwoven by warp and weft, the warp adopts dyed polyester as a covering layer and low-temperature spandex as a core-spun yarn of a core yarn, a weight ratio of the polyester to the low-temperature spandex is 4-49:1, and the polyester is subjected to alkali deweighting treatment to form an eroded surface. The polyester cotton-like yarn-dyed fabric has good cotton feeling, high elasticity, high color fastness and low ironing shrinkage rate, and is suitable for making high-quality clothing, especially shirts. The manufacturing method of the yarn-dyed fabric is energy-saving and emission-reducing, and can manufacture a novel polyester yarn-dyed fabric with low ironing shrinkage rate, high color fastness and cotton-like hand feeling. Use of the yarn-dyed fabric for making clothing such as shirts increases the selectivity and functionality.

Claims

1-28. (canceled)

29. A polyester cotton-like yarn-dyed fabric, interwoven by warp and weft, wherein the warp adopts dyed polyester as a covering layer and low-temperature spandex as a core-spun yarn of a core yarn, a weight ratio of the polyester to the low-temperature spandex is 4-49:1, and the polyester is subjected to alkali deweighting treatment to form an eroded surface.

30. The yarn-dyed fabric according to claim 29, wherein a fineness of the low-temperature spandex is 20D-40D, and the core-spun yarn is made of polyester and low-temperature spandex by a machine packaging process with a twist of 5-8 twist/cm and a draw ratio of 2.5-3.5.

31. The yarn-dyed fabric according to claim 29, wherein a deweighting rate of alkali deweighting treatment carried out on the polyester is not higher than 5%.

32. The yarn-dyed fabric according to claim 29, wherein the polyester is selected from at least one of polyester filament, polyester composite fiber and polyester staple fiber; wherein the polyester filament is selected from at least one of draw textured yarn DTY, fully drawn yarn FDY, air textured yarn ATY and high stretch yarn; the polyester composite fiber comprises elastic composite polyester fiber T400; the polyester staple fiber comprises cotton-like polyester.

33. The yarn-dyed fabric according to claim 29, wherein the polyester is polyester with an F number not lower than 24.

34. The yarn-dyed fabric according to claim 29, wherein a dye used for dyeing the polyester is a disperse dye with high temperature resistance, washing resistance and alkali resistance, and a dyeing temperature of the dye is 130±5° C.

35. The yarn-dyed fabric according to claim 29, wherein a color fastness of the yarn-dyed fabric measured according to GB/T3920-2008 is not lower than grade 4.

36. The yarn-dyed fabric according to claim 35, wherein the color fastness of the yarn-dyed fabric measured according to GB/T3920-2008 is not lower than grade 5.

37. The yarn-dyed fabric according to claim 29, wherein an ironing shrinkage rate of the yarn-dyed fabric treated for 6 times at 170° C. and for 15 s is not higher than 3%.

38. A manufacturing method of the polyester cotton-like yarn-dyed fabric according to claim 29, comprising the following steps: 1) interweaving provided weft and sized warp to obtain a coarse yarn-dyed fabric; 2) first desizing: performing continuous desizing on the coarse yarn-dyed fabric by a desizing mixed solution I, wherein a temperature of the first desizing is 91-91.5° C. and a time of the first desizing is not more than 20 min, and the desizing mixed solution I comprises 2-3 wt % of strong alkali and 2-3 wt % of desizing agent; 3) pre-setting: enabling a temperature of pre-setting to be 180-200° C.; 4) second desizing: performing intermittent desizing by a desizing mixed solution II, wherein a temperature of the second desizing is 60-90° C. and a time of the second desizing is not more than 45 min, and the desizing mixed solution II comprises 2-5 wt % of strong alkali and 2-5 wt % of sodium hydrosulfite; and 5) setting: enabling a temperature of setting to be 100-140° C., so as to obtain the yarn-dyed fabric; wherein, the warp comprises dyed polyester yarns as a covering layer and low-temperature spandex as a core-spun yarn of a core yarn; a size for the sizing comprises acrylic size.

39. The manufacturing method of the yarn-dyed fabric according to claim 38, wherein a dye used in the dyed polyester is a disperse dye with high temperature resistance, water resistance and alkali resistance; and a dyeing temperature is 130±5° C.

40. The manufacturing method of the yarn-dyed fabric according to claim 38, wherein a fineness of the low-temperature spandex is 20D-40D, and the core-spun yarn is made of polyester and low-temperature spandex by a machine packaging process with a twist of 5-8 twist/cm and a draw ratio of 2.5-3.5.

41. The manufacturing method of the yarn-dyed fabric according to claim 38, wherein a temperature of the sizing is 130±5° C.; and a concentration of the size is 10-15 wt %, and a speed of sizing is 40-50 m/min.

42. The manufacturing method of the yarn-dyed fabric according to claim 38, wherein the continuous desizing is desizing with a continuous process desizing machine, the temperature of the first desizing is 91° C., the speed of desizing is 40-50 m/min, and the time of the first desizing is not more than 15 min.

43. The manufacturing method of the yarn-dyed fabric according to claim 38, wherein a speed of the pre-setting is 30-40 m/min; and a speed of the setting is 30-50 m/min.

44. The manufacturing method of the yarn-dyed fabric according to claim 38, wherein the intermittent desizing is in-jigger washing, the temperature of the second desizing is 70° C., and the time of the second desizing is not more than 45 min, and the desizing mixed solution II comprises 4-5 wt % of strong alkali and 4-5 wt % of sodium hydrosulfite.

45. The manufacturing method of the yarn-dyed fabric according to claim 38, wherein a pre-setting auxiliary agent I is added during the pre-setting, and the pre-setting auxiliary agent I comprises a dry hand feeling auxiliary agent and acetic acid; wherein the dry hand feeling auxiliary agent comprises an antibacterial auxiliary agent.

46. The manufacturing method of the yarn-dyed fabric according to claim 45, wherein the antibacterial auxiliary agent is a zinc ion antibacterial agent; a setting auxiliary agent II is added during the setting, and the setting auxiliary agent II comprises a smooth hand feeling auxiliary agent; wherein the smooth hand feeling auxiliary agent comprises a moisture absorption and perspiration agent and/or a softening agent.

47. Clothing, wherein the clothing is made from a yarn-dyed fabric, and the yarn-dyed fabric is selected from at least one of the yarn-dyed fabrics described in claim 29.

48. A manufacturing method of the yarn-dyed fabric according to claim 47, wherein the clothing is a shirt.

Description

DESCRIPTION OF THE ILLUSTRATED EMBODIMENTS

[0048] The present application will be described in detail below with reference to embodiments, but the present application is not limited to these embodiments.

[0049] Unless otherwise specified, the raw materials and catalysts in the embodiments of the present application are purchased through commercial channels.

[0050] The analysis methods in the embodiments of the present application are as follows:

[0051] 1. Color fastness

[0052] Color fastness to soaping: measured referring to the method D (4) in GB/T3921-2008 Textiles—Tests for color fastness—Color fastness to soaping.

[0053] Color fastness to rubbing: measured referring to the method GB/T3920-2008 Textiles—Tests for color fastness—Color fastness to rubbing.

[0054] Color fastness to sublimation: measured referring to GB/T 5718-1997 Textiles—Tests for color fastness-Color fastness to dry heat (excluding hot pressing).

[0055] 2. Ironing shrinkage rate: tested after the yarn-dyed fabric is treated for 6 times at 170° C. and for 15 s.

[0056] 3. Elasticity test standard: FZ/T01034 Textiles—Test method of the tensile elasticity for woven fabrics.

[0057] 4. Cotton feeling: determined according to the hand feeling of 10 people for the polyester cotton-like yarn-dyed fabric:

[0058] excellent: soft, elastic and thick; good: with some smoothness and droop; poor: strong sense of paper or strong sense of coarseness and hardness.

[0059] According to one implementation of this application, a manufacturing method of the polyester cotton-like yarn-dyed fabric includes the following steps:

[0060] 1) interweaving provided weft and sized warp to weave a coarse yarn-dyed fabric, wherein the warp includes dyed polyester yarns as a covering layer and low-temperature spandex as a core-spun yarn of the core yarn, and sizes for the sizing include acrylic sizes;

[0061] 2) first desizing: performing continuous desizing on the coarse yarn-dyed fabric by a desizing mixed solution I, wherein a temperature of the first desizing is 91-91.5° C. and a time of the first desizing is not more than 20 min, and the desizing mixed solution I includes 2-3 wt % of strong alkali and 2-3 wt % of desizing agent;

[0062] 3) pre-setting: enabling a temperature of the pre-setting to be 180-200° C.;

[0063] 4) second desizing: performing intermittent desizing by a desizing mixed solution II, wherein a temperature of the second desizing is 60-90° C. and a time of the second desizing is not more than 45 min, and the desizing mixed solution II includes 2-5 wt % of strong alkali and 2-5 wt % of sodium hydrosulfite;

[0064] 5) setting: enabling a temperature of the setting to be 100-140° C., so as to obtain the yarn-dyed fabric.

Embodiment 1 Yarn-Dyed Fabric 1 #

[0065] 1) A, providing raw materials: providing polyester and low-temperature spandex with a weight ratio being 13.5:1, wherein the polyester is 75D/72F dull polyester DTY, and the low-temperature spandex is a novel low-temperature spandex with a fineness of 30D;

[0066] B, dyeing polyester: dyeing polyester with DyStar's disperse dye with high temperature resistance, washing resistance and alkali resistance, wherein the dyeing temperature was 130° C., and the dyeing time of polyester was 40 min;

[0067] C, preparation of warp and weft: producing a core-spun yarn with a twist of 5-6 twist/cm and a draw ratio of 3 by using the dyed polyester as a covering layer and low-temperature spandex as a core yarn with a machine packaging process;

[0068] D, warp sizing: sizing the core-spun yarn at 130° C. using acrylic sizes with the size concentration of 12 wt %, wherein the sizing process is that a sectional warping machine makes a weaving beam, and the weaving beam is subjected to beaming for sizing with the sizing speed of 45 m/minute;

[0069] E, weaving: interweaving warp and weft by adopting a water jet loom to obtain a coarse yarn-dyed fabric;

[0070] 2) first desizing: performing continuous desizing (continuous process desizing) on the coarse yarn-dyed fabric by a desizing mixed solution I, wherein the temperature of the first desizing is 91-91.5° C. and the time is not more than 20 min, the speed is 45 m/min, and the desizing mixed solution I includes 2-3 wt % of strong alkali and 2-3 wt % of desizing agent;

[0071] 3) pre-setting: enabling the temperature of the pre-setting to be 190° C. and the speed to be 35 m/min, adding the antibacterial agent with the concentration of about 2 wt ‰ for the first time, and adding acetic acid with the concentration of about 4 wt ‰ to neutralize the alkali liquor left after desizing;

[0072] 4) second desizing: performing intermittent desizing (in-jigger washing) by a desizing mixed solution II, washing once, adding 1 g/L of softening agent, washing once, and discharging water twice or waiting until water is completely discharged, wherein the temperature of the second desizing is 60-90° C. and the time is not more than 45 min, and the desizing mixed solution II includes 2 g/L of sodium hydroxide, 2 g/L of sodium hydrosulfite and 1 g/L of degreasing agent;

[0073] 5) setting: enabling the setting temperature to be 140° C. and the speed to be 35 m/min, and adding 2 wt ‰ of antibacterial agent, 3 wt % of moisture absorption and perspiration agent and 3 wt % of softening agent to make the yarn-dyed fabric 1 #.

[0074] Performance test: color fastness to soaping is grade 5, color fastness to rubbing is grade 5 and color fastness to sublimation is grade 5; ironing shrinkage rate is not higher than 1%; cotton feeling is excellent.

Embodiment 2 Yarn-Dyed Fabrics 2 #, 3 #

[0075] Yarn-dyed fabrics 2 #, 3 # are manufactured according to the method of Embodiment 1, and embodiment 2 is different from Embodiment 1 in that the yarn-dyed fabrics 2 #, 3 # are respectively obtained by adopting the weight ratio of polyester to low-temperature spandex used for warp being 3 and 52, and the yarn-dyed fabrics 2 #, 3 # are extremely poor in hand feeling, elasticity and strength; the yarn-dyed fabric 3 # has hard hand feeling, poor moisture absorption and poor cotton feeling.

Embodiment 3 Yarn-Dyed Fabrics 4 #, 5 #

[0076] Yarn-dyed fabrics 4 #, 5 # were manufactured according to the method of Embodiment 1, and Embodiment 3 is different from Embodiment 1 in that the yarn-dyed fabrics 4 #, 5 # are respectively obtained by adopting the twist of low-temperature spandex used for warp being 4 twist/cm and 9 twist/cm, the yarn-dyed fabric 4 # has some parts where low-temperature spandex is exposed, and the yarn-dyed fabric 5 # has poor hand feeling.

Embodiment 4 Yarn-Dyed Fabric 6 #

[0077] The yarn-dyed fabric 6 # was manufactured according to the method of Embodiment 1, and Embodiment 4 is different from Embodiment 1 in that:

[0078] The yarn-dyed fabric 6 # is obtained under the condition that the spandex used in step B is normal-temperature spandex, the dyeing temperature is 150° C., and the dyeing time is 20 min.

[0079] Performance test: color fastness to soaping is grade 3, color fastness to rubbing is grade 3 and color fastness to sublimation is grade 3; ironing shrinkage rate is not higher than 5%; cotton feeling is good.

Embodiment 5 Yarn-Dyed Fabrics 7 #, 8 #

[0080] Yarn-dyed fabric 7 #, 8 # was manufactured according to the method of Embodiment 1, and Embodiment 5 is different from Embodiment 1 in that:

[0081] The yarn-dyed fabrics 7 #, 8 # are respectively obtained under the condition that in step 2), the desizing temperatures in the first desizing are 92.5° C. and 90.5° C.

[0082] Performance test of yarn-dyed fabric 7 #: the fabric is stained and the quality is unqualified. Performance test of yarn-dyed fabric 8 #: cotton feeling is poor and desizing is not complete.

Embodiment 6 Yarn-Dyed Fabric 9 #

[0083] The yarn-dyed fabric 9 # was manufactured according to the method of Embodiment 1, and Embodiment 6 is different from Embodiment 1 in that:

[0084] The yarn-dyed fabric 9 # is obtained under the condition that no antibacterial auxiliary agent was added in step 2), and 4 wt ‰ antibacterial agent was added in step 5) of setting.

[0085] Performance test of yarn-dyed fabric 9 #: color fastness to soaping is grade 5, color fastness to rubbing is grade 5 and color fastness to sublimation is grade 5; ironing shrinkage rate is not higher than 5%; compared with yarn-dyed fabric 1 #, cotton feeling is poor in dryness.

Embodiment 7 Yarn-Dyed Fabric 10 #

[0086] Yarn-dyed fabric 10 # was manufactured according to the method of Embodiment 1, and Embodiment 7 is different from Embodiment 1 in that:

[0087] Step 2) first desizing: enabling a desizing mixed solution I to include 4 wt % of strong alkali and 2-3 wt % of desizing agent.

[0088] step 4) second desizing: performing intermittent desizing (in-jigger washing) by a desizing mixed solution II, washing once, adding 1 g/L of softening agent, washing once, and discharging water twice or waiting until water is completely discharged, wherein the temperature of the second desizing is 60-90° C. and the time is not more than 45 min, and the desizing mixed solution II includes 6 g/L of sodium hydroxide, 2 g/L of sodium hydrosulfite and 1 g/L of degreasing agent.

[0089] Performance test of yarn-dyed fabric 10 #: color fastness to soaping is grade 3, color fastness to rubbing is grade 3 and color fastness to sublimation is grade 3; ironing shrinkage rate is not higher than 5%; cotton feeling is good.

Embodiment 8 Yarn-Dyed Fabric 11 #

[0090] Yarn-dyed fabric 11 # was manufactured according to the method of Embodiment 1, and Embodiment 8 is different from Embodiment 1 in that: steps 4) and 5) are not performed.

[0091] Performance test of yarn-dyed fabric 11 #: color fastness to soaping is grade 4, color fastness to rubbing is grade 4 and color fastness to sublimation is grade 4; ironing shrinkage rate is not higher than 5%; cotton feeling is poor.

Embodiment 9 Yarn-Dyed Fabric 12 #

[0092] Yarn-dyed fabric 12 # was manufactured according to the method of Embodiment 1, and Embodiment 9 is different from Embodiment 1 in that: step 2) is not performed.

[0093] Performance test of yarn-dyed fabric 12 #: color fastness to soaping is grade 3, color fastness to rubbing is grade 3 and color fastness to sublimation is grade 3; ironing shrinkage rate is not higher than 6%; cotton feeling is poor.