COMPLETELY RECYCLABLE ARTIFICIAL TURF AND PREPARATION METHOD THEREOF

Abstract

Disclosed is a completely recyclable artificial turf, which solves the problem of difficult totting of the existing artificial turf, has high tufting efficiency, has high strength of artificial turf, and is capable of being integrally recycled. The completely recyclable artificial turf of the present invention comprises artificial yarn and base fabric, wherein the base fabric includes woven fabric, the artificial yarn is tufted on the base fabric including woven fabric, the root of the artificial yarn is melted or locally melted, and the artificial yarn is integrated with the base fabric into a whole after cooling and shaping, wherein the material of the artificial yarn has a melting point lower than that of the material of the base fabric.

Claims

1. A completely recyclable artificial turf, comprising artificial yarn and base fabric, wherein the base fabric includes woven fabric, the artificial yarn is tufted on the base fabric including woven fabric, the root of the artificial yarn is melted or locally melted, and the artificial yarn is integrated with the base fabric into a whole after cooling and shaping, wherein the material of the artificial yarn has a melting point lower than that of the material of the base fabric.

2. The completely recyclable artificial turf according to claim 1, wherein the root of the artificial yarn is tufted artificial yarn located below the bottom surface of the base fabric.

3. The completely recyclable artificial turf according to claim 1, wherein the root of the artificial yarn is melted or locally melted in a thermal compounding manner.

4. The completely recyclable artificial turf according to claim 1, wherein the woven fabric is single woven fabric or compound woven fabric.

5. The completely recyclable artificial turf according to claim 1, wherein for the base fabric, before the artificial yarn is tufted, hot melt adhesive powder is spread on the bottom surface of the base fabric through a powder spreading procedure.

6. The completely recyclable artificial turf according to claim 5, wherein the base fabric includes mesh fabric.

7. The completely recyclable artificial turf according to claim 6, wherein the material of the mesh fabric has a melting point higher than that of the material of the artificial yarn, and the mesh fabric should be heat-heated before use.

8. The completely recyclable artificial turf according to claim 7, wherein the gram weight of the mesh fabric is 50-200 g/m2, and the material of the mesh fabric is polyethylene terephthalate.

9. The completely recyclable artificial turf according to claim 1, wherein an additional layer of base fabric is thermally compounded on the bottom surface of the base fabric on which the artificial yarn is tufted.

10. The completely recyclable artificial turf according to claim 9, wherein the material of the base fabric thermally compounded on the bottom surface of the base fabric on which the artificial yarn is tufted has a melting point higher than that of the material of the artificial yarn, and for the base fabric before being thermally compounded, hot melt adhesive powder is spread on one surface thereof through a powder spreading procedure.

11. The completely recyclable artificial turf according to claim 9, wherein the material of the base fabric thermally compounded on the bottom surface of the base fabric on which the artificial yarn is tufted is non-woven fabric or compound fabric of non-woven fabric and mesh fabric.

12. The completely recyclable artificial turf according to claim 11, wherein the non-woven fabric or the compound fabric of non-woven fabric and mesh fabric are heat-treated before use.

13. The completely recyclable artificial turf according to claim 7, wherein the heat treatment method for the mesh fabric or the non-woven fabric is as follows: heating the mesh fabric or the non-woven fabric in the mode of thermal radiation by an oven or direct heating by a heating roller, controlling the heating temperature between the glass transition temperature and the melting point of the material, and completing heat treatment of the mesh fabric or the non-woven fabric after cooling and shaping.

14. The completely recyclable artificial turf according to claim 12, wherein there are two heat treatment methods for the compound fabric of non-woven fabric and mesh fabric, one method is as follows: performing heat treatment on the non-woven fabric and the mesh fabric respectively in the mode of thermal radiation by an oven or direct heating by a heating roller, controlling the heating temperature between the glass transition temperature and the melting point of the material, and thermally adhering the two together through a powder spreading procedure to form the compound fabric: and the other method is as follows: stitching the non-woven fabric and the mesh fabric together first through a stitching process, then heating the compound fabric in the mode of thermal radiation by an oven or direct heating by a heating roller, controlling the heating temperature between the glass transition temperature and the melting point of the material, and completing heat treatment after cooling and shaping.

15. The completely recyclable artificial turf according to claim 11, wherein a gram weight of the non-woven fabric is 50-150 g/m2, a gram weight of the mesh fabric is 80-150 g/m2, and the material of the non-woven fabric or the mesh fabric is polyethylene terephthalate.

16. The completely recyclable artificial turf according to claim 15, wherein when the material of the non-woven fabric or the mesh fabric is polyethylene terephthalate, the heating temperature thereof during heat treatment ranges from 170 C. to 200 C.

17. The completely recyclable artificial turf according to claim 5, wherein the material of the hot melt adhesive powder has a melting point lower than that of the material of the base fabric.

18. The completely recyclable artificial turf according to claim 17, wherein the hot melt adhesive powder is prepared of one of PE, EVA and TPU or a combination thereof, and the power spreading amount of the hot melt adhesive powder is 60-150 g/m2.

19. A method for preparing the completely recyclable artificial turf according to claim 1, comprising: (1) tufting artificial yarn on base fabric including woven fabric according to specifications to prepare same into a semi-finished product; and (2) heating the bottom of the semi-finished product through a thermal compounding procedure, so that the root of the artificial yarn is melted or locally melted, and the artificial yarn is integrated with the base fabric into a whole after cooling and shaping, thus obtaining the completely recyclable artificial turf.

20. The method for preparing the completely recyclable artificial turf according to claim 19, comprising: (1) spreading hot melt adhesive powder on one surface of the base fabric including woven fabric through a powder spreading procedure; (2) tufting artificial yarn on the base fabric including woven fabric according to specifications to prepare same into a semi-finished product; and (3) heating the bottom of the semi-finished product through a thermal compounding procedure, so that the root of the artificial yarn is melted or locally melted and is melted with the hot melt adhesive powder, and the artificial yarn is integrated with the base fabric into a whole after cooling and shaping, thus obtaining the completely recyclable artificial turf.

21. The method for preparing the completely recyclable artificial turf according to claim 20, comprising the following steps: (1) spreading powder on the woven fabric and the mesh fabric simultaneously through a powder spreading procedure to prepare base fabric, or spreading powder on the woven fabric first and then combining the woven fabric with the mesh fabric to prepare base fabric; (2 ) tufting artificial yarn on the base fabric according to specifications to prepare same into a semi-finished product; and (3) heating the bottom of the semi-finished product through a thermal compounding procedure, so that the root of the artificial yarn is melted or locally melted and is melted with the hot melt adhesive powder, and the artificial yarn is integrated with the base fabric into a whole after cooling and shaping, thus obtaining the completely recyclable artificial turf.

22. The method for preparing the completely recyclable artificial turf according to claim 21, comprising: (1) spreading a layer of hot melt adhesive powder on one surface of the non-woven fabric or the compound fabric of non-woven fabric and mesh fabric through a powder spreading procedure, to prepare bottom-layer base fabric; (2) spreading powder on the woven fabric and the mesh fabric simultaneously through a powder spreading procedure to prepare base fabric, or spreading powder on fee woven fabric first and then combining the woven fabric with the mesh fabric to prepare base fabric for tufting; (3) tufting artificial yarn on the base fabric according to specifications to prepare same into a semi-finished product, and covering the other base fabric on which powder is spread on the bottom surface of the semi-finished product, the surface with hot melt adhesive powder of the base fabric coming into contact with the grass root; and (4) heating the surface without hot melt adhesive powder of the bottom-layer base fabric through a thermal compounding procedure, so that the root of the artificial yarn is melted or locally melted and is adhered together with the melted hot melt adhesive powder, and the artificial yarn is integrated with the two layer's of base fabric into a whole after cooling and shaping, thus obtaining the completely recyclable artificial turf.

23. The method for preparing fee completely recyclable artificial turf according to claim 22, wherein the mesh fabric, the non-woven fabric or the compound fabric of the non-woven fabric and the mesh fabric should be heat-treated before use, wherein the heat treatment method for the mesh fabric or the non-woven fabric is as follows: heating the mesh fabric or the non-woven fabric in the mode of thermal radiation by an oven or direct, heating by a heating roller, controlling the heating temperature between the glass transition, temperature and the melting point of the material, and completing heat treatment of the non-woven fabric or the non-woven fabric after cooling and shaping; there are two heat treatment methods for the compound fabric of the non-woven fabric and the mesh fabric, one method is as follows: performing heat treatment on the non-woven fabric and the mesh fabric respectively in the mode of thermal radiation by an oven or direct heating by a heating roller, controlling the heating temperature between the glass transition temperature and the melting point of the material, and thermally adhering the two together through a powder spreading procedure to form compound fabric; and the other method is as follows: stitching the non-woven fabric and the mesh fabric together first through a stitching process, then heating the compound fabric in the mode of thermal radiation by an oven or direct heating by a heating roller, controlling the heating temperature between the glass transition temperature and the melting point of the material, and completing heat treatment after cooling and shaping.

24. The method for preparing the completely recyclable artificial turf according to claim 23, wherein when the material of the non-woven fabric or the mesh fabric is polyethylene terephthalate, the heating temperature during heat treatment ranges from 170 C. to 200 C.

25. The method for preparing the completely recyclable artificial turf according to claim 20, wherein the powder spreading procedure is performed by heating the hot melt adhesive powder in the mode of thermal radiation by an overt or direct heating by a heating roller, so that the hot melt adhesive powder is melted to produce adhesiveness and then is adhered to the surface of the woven fabric or the non-woven fabric, or the woven fabric and mesh fabric, or the non-woven fabric and the mesh fabric are adhered together, to form a whole after cooling and shaping.

26. The method for preparing the completely recyclable artificial turf according to claim 19, wherein the thermal compounding procedure is performed by heating the root of the artificial yarn or the surface without hot melt adhesive powder of the base fabric in the mode of thermal radiation by an oven or direct heating by a heating roller, so that the root of the artificial yarn and the hot melt adhesive powder are melted to produce adhesiveness and then are combined with each other, and the artificial yarn is firmly fixed onto the base fabric through cooling and shaping.

Description

DESCRIPTION OF DRAWINGS

[0057] FIG. 1 is a structural schematic diagram of base fabric after powder is spread thereon.

[0058] FIG. 2 is structural schematic diagram of a semi-finished product of a completely recyclable artificial turf of the present invention.

[0059] FIG. 3 is structural schematic diagram of a finished product of a completely recyclable artificial turf of the present invention.

[0060] FIG. 4 is structural schematic diagram of a semi-finished product of a completely recyclable artificial turf after powder is spread on base fabric.

[0061] FIG. 5 is structural schematic diagram of a finished product of a completely recyclable artificial turf after powder is spread on base fabric.

[0062] FIG. 6 is structural schematic diagram of a semi-finished product of a completely recyclable artificial turf after powder is spread on base fabric and mesh fabric is added.

[0063] FIG. 7 is structural schematic diagram of a finished product of a completely recyclable artificial turf after powder is spread on base fabric and mesh fabric is added.

[0064] FIG. 8 is structural schematic diagram of a completely recyclable artificial turf after powder including bottom-layer base fabric.

DETAILED DESCRIPTION

[0065] The present invention is described by means of the following embodiments. However, the present invention is not limited to these embodiments, and the following embodiments are described as follows.

[0066] 1. Preparation Method for Artificial Yarn

[0067] (1) Uniformly mixing 50 shares of 5000S resin, 40 shares of 7042 resin, 8 shares of color master batch, and 2 shares of processing aid (including stabilizer, antioxidant, antistat, anti-blocking agent and dispersing agent); and

[0068] (2) Controlling the extrusion temperature to be 190-230 C. setting the draw ratio to be 5-6,controlling the oven temperature to be 95-100 C., extruding by a single screw extruder, performing wire drawing, and preparing the artificial yarn.

[0069] 2. There are the following modes for heat treatment of the mesh fabric, the non-woven fabric or the compound fabric of non-woven fabric and mesh fabric:

[0070] (1) heating by an oven: the temperature is 170-175 C., and the linear speed is about 13 m/min;

[0071] (2) heating by an oven: the temperature is 180-185 C., and the linear speed is about 15 m/min;

[0072] (3) heating by an oven: the temperature is 185-190 C., and the linear speed is about 4.5 m/min; and

[0073] (4) heating by an oven: the temperature is 195-200 C., and the linear speed is about 7.0 m/min.

[0074] 3. Preparation Method for Control Sample (CN104727202A)

[0075] (1) Uniformly spreading PE hot melt adhesive powder on base fabric A compounded by 100 g/m2 of PET non-woven fabric and 80 g/m2 of PET mesh fabric according to the powder spreading amount of 100 g/m2. heating by an oven, controlling the temperature to be 170-180 C., and melting the hot melt adhesive powder to produce adhesiveness and adhering the mesh fabric and the non-woven fabric together, thus obtaining the base fabric A.

[0076] (2) Uniformly spreading PE hot melt adhesive powder on base fabric B compounded by 80g/m2 of PET non-woven fabric and 120 g/m2 of PET mesh fabric according to the powder spreading amount of 100 g/m2, heating by an oven, controlling the temperature to be 170-180 C., and melting the hot melt adhesive powder to produce adhesiveness and adhering the mesh fabric and the non-woven fabric together, thus obtaining the base fabric B.

[0077] (3) Tufting artificial yarn on the base fabric A (the mesh surface faces downwards) according to corresponding stitch size spacing and row spacing to obtain semi-finished turf, making the base fabric B having identical size and the semi-finished turf pass through the heating roller together in a mode that mesh surfaces are attached, controlling the transmission speed to be 3 m/min, and controlling the temperature to be 180-190 C., thus obtaining the recyclable artificial turf with the publication number of CN104727202A alter cooling and shaping.

[0078] 4. Detection of strength of artificial turf: testing the tensile breaking force of the bottom back according to the method specified in BS EN12228:2002, and detecting the withdrawal force of the artificial yarn according to the ISO4919-1978 standard required by FIFA.

Embodiment 1

[0079] (1) Uniformly spreading PE hot melt adhesive powder on 200 g/m2 of PP single woven fabric according to the powder spreading amount of 80 g/m2, heating by an oven, controlling the temperature to be 150-140 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0080] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by a heating roller, controlling the temperature to be 150-160 C. melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus obtaining the completely recyclable artificial turf.

[0081] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 2

[0082] (1) Uniformly spreading PE hot melt adhesive powder on 150 g/m2 of PP single woven fabric according to the powder spreading amount of 120 g/m2, heating by an oven, controlling the temperature to be 130-140 C. melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0083] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by a heating roller, controlling the temperature to be 150-160 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0084] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 3

[0085] (1) Uniformly spreading PE hot melt adhesive powder on 135 g/m2 of PP single woven fabric according to the powder spreading amount of 160 g/m2, heating by an oven, controlling the temperature to be 130-140 C. melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0086] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by a heating roller, controlling the temperature to be 150-160 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0087] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result

Embodiment 4

[0088] (1) Tufting artificial yarn on 300 g/m2 of PET single woven fabric to prepare semi-finished artificial turf.

[0089] (2) Heating the bottom surface of the semi-finished product by an oven, controlling the temperature to be 160-170 C., melting the root of the artificial yarn to produce adhesiveness and adhering same to the base fabric, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0090] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 5

[0091] (1) Uniformly spreading EVA hot melt adhesive powder on 250 g/m2 of PET single woven fabric according to the powder spreading amount of 120 g/m2, heating by an oven, controlling the temperature to be 120-130 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0092] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0093] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 6

[0094] (1) Uniformly spreading TPU hot melt adhesive powder on 200 g/m2 of PET single woven fabric according to the powder spreading amount of 120 g/m2, heating by an oven, controlling the temperature to be 130-140 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0095] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0096] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 7

[0097] (1) Uniformly spreading mixed PE and EVA hot melt adhesive powder on 150 g/m2 of PET single woven fabric according to the powder spreading amount of 120 g/m2, heating by an oven, controlling the temperature to be 130-140 C. melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0098] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0099] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 8

[0100] (1) Uniformly spreading EVA hot melt adhesive powder on PP compound woven fabric (120 g/m2 of PP single woven fabric+80 g/m2 of PET filament fiber) according to the powder spreading amount of 120 g/m2, heating by an oven, controlling the temperature to be 120-130 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PP compound woven fabric, and cooling and shaping, thus preparing the base fabric.

[0101] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0102] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 9

[0103] (1) Uniformly spreading EVA hot melt adhesive powder on PET compound woven fabric (180 g/m2 of PET single woven fabric+60 g/m2 of PET staple fiber) according to the powder spreading amount of 120 g/m2, heating by an oven, controlling the temperature to be 120-130 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET compound woven fabric, and cooling and shaping, thus preparing the base fabric.

[0104] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by aa oven, controlling the heating temperature to he 16-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0105] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1. for the result.

Embodiment 10

[0106] (1) Attaching 100 g/m2 of PP single woven fabric and 120 g/m2 of PET mesh fabric which have identical breadth together, uniformly spreading PE hot melt adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 120 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PP single woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0107] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by aa oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0108] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 11

[0109] (1) Attaching 300 g/m2 of PET single woven fabric and 60 g/m2 of PET mesh fabric which have identical breadth together, uniformly spreading PE hot melt adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 120 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PET single woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0110] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the roof of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0111] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 12

[0112] (1) Uniformly spreading PE hot melt adhesive powder on 250 g/m2 of PET single woven fabric according to the powder spreading amount of 120 g/m2, heating by an oven to melt the hot melt adhesive powder, controlling the temperature to be 135-145 C., taking out the PET single woven fabric from the oven and then covering 100 g/m2 of PET mesh fabric having identical breadth on same immediately, adhering the mesh fabric to the hot melt adhesive powder not solidified under the action of the pressure of pressing roller and then combining same with the single woven fabric, and cooling and shaping, thus preparing the base fabric.

[0113] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0114] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 13

[0115] (1) Uniformly spreading PE hot melt adhesive powder on 200 g/m2 of PET single woven fabric according to the powder spreading amount of 120 g/m2, heating by an oven to melt the hot melt adhesive powder, controlling the temperature to be 135-145 C., and cooling and shaping for use.

[0116] (2) Taking 150 g/m2 of PET mesh fabric which have identical breadth to tuft artificial yarn on a tufting machine together with the above-mentioned woven fabric, preparing semi-finished artificial turf (the surface of the mesh fabric as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder, adhering the mesh fabric and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0117] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 14

[0118] (1) Attaching PP compound woven fabric (120 g/m2 of single woven fabric+120 g/m2 of polyester filament fiber) and 80 g/m2 of PET mesh fabric which have identical breadth together, uniformly spreading PE hot melt adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 120 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PP compound woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0119] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder sod adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0120] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 15

[0121] (1) Attaching PET compound woven fabric (200 g/m2 of PET single woven fabric+120 g/m2 of polyester staple fiber) and 50 g/m2 of PET mesh fabric which have identical breadth together, uniformly spreading PE hot melt adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 120 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PET compound woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0122] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 160-170 C., melting the root of the artificial yarn and the hot melt adhesive powder and adhering them together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0123] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See T able 1 for the result.

Embodiment 16

[0124] (1) Uniformly spreading EVA hot melt adhesive powder on 60 g/m2 of PET non-woven fabric according to the powder spreading amount of 90 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET non-woven fabric, and cooling and shaping for use.

[0125] (2) Tufting artificial yarn on the base fabric of 135 g/m2 of PP single woven fabric to prepare semi-finished artificial turf, attaching the prepared PET non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET non-woven fabric is connected with the root of the artificial yarn), heating the surface without hot melt adhesive powder of the PET non-woven fabric by a heating roller, controlling the heating temperature to be 180-190 C., melting the root of the artificial yarn and the hot melt adhesive powder, adhering the PET non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0126] (3) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 17

[0127] (1) Uniformly spreading EVA hot melt adhesive powder on 220 g/m2 of PET single woven fabric according to the powder spreading amount of 90 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET single woven fabric, and cooling and shaping, thus preparing the base fabric.

[0128] (2) Uniformly spreading EVA hot melt adhesive powder on 120 g/m2 of PET non-woven fabric according to the powder spreading, amount of 90 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET non-woven fabric, and cooling and shaping for use.

[0129] (3) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), attaching the prepared PET non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET non-woven fabric is connected with the root of the artificial yarn), heating the surface without hot melt adhesive powder of the PET non-woven fabric by a heating roller, controlling the heating temperature to be 180-190 C., melting the root of the artificial yarn and the hot melt adhesive powder, adhering the PET non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0130] (4) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 18

[0131] (1) Uniformly spreading TPU hot melt adhesive powder on PET compound woven fabric (120 g/m2 of PP single woven fabric+150 g/m2 of polyester filament fiber) according to the powder spreading amount of 150 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0132] (2) Uniformly spreading TPU hot melt adhesive powder on 150 g/m2 of PET non-woven fabric according to the powder spreading amount of 150 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET non-woven fabric, and cooling and shaping for use.

[0133] (3) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), attaching the prepared PET non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET non-woven fabric is connected, with the root of the artificial yarn), heating the surface without hot melt adhesive powder of the PET non-woven fabric by a heating roller, controlling the heating temperature to be 180-190 C., melting the root of the artificial yarn and the hot melt adhesive powder, adhering the PET non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0134] (4) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 19

[0135] (1) Uniformly spreading TPU hot melt adhesive powder on PET compound woven fabric (180 g/m2 of PET single woven fabric+100 g/m2 of polyester staple fiber) according to the powder spreading amount of 130 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the woven fabric, and cooling and shaping, thus preparing the base fabric.

[0136] (2) Uniformly spreading TPU hot melt adhesive powder on PET compound non-woven fabric (150g/m2 of PET non-woven fabric+80 g/m2 of PET mesh fabric) according to the powder spreading amount of 130 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET compound non-woven fabric, and cooling and shaping for use.

[0137] (3) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), attaching the prepared PET compound non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET compound non-woven fabric is connected with the root of the artificial yarn), heating the surface without hot melt adhesive powder of the PET compound non-woven fabric by a heating roller, controlling the heating temperature to be 180-190 C. melting the root of the artificial yarn and the hot melt adhesive powder adhering the PET compound non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0138] (4) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 20

[0139] (1) Attaching 120 g/m2 of PP single woven fabric and 70 g/m2 of PET mesh fabric winch have identical breadth together, uniformly spreading PE hot melt adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 110 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PP single woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0140] (2) Uniformly spreading PE hot melt adhesive powder on PE T compound non-woven fabric (120 g/m2 of PET non-woven fabric 30 109 g/m2 of PET mesh fabric) according to the powder spreading amount of 110g/m2, heating by an oven, controlling the temperature to be 140-150 C. melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET compound non-woven fabric, and cooling and shaping for use.

[0141] (3) Tufting artificial, yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), attaching the prepared PET compound non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET compound non-woven fabric is connected with the root of the artificial yarn), heating the surface without hot melt adhesive powder of the PET compound non-woven fabric by a heating roller, controlling the heating temperature to be 180-190 C., melting the root of the artificial yarn and the hot melt adhesive powder, adhering the PET compound non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0142] (4) Testing the withdrawal force of the artificial, yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 21

[0143] (1) Attaching PP compound woven fabric (110 g/m2 of PP single woven fabric+110 g/m2 of polyester filament fiber) and 90 g/m2 of PET mesh fabric which have identical breadth together, uniformly spreading PE hot melt adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 110 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PP compound woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0144] (2) Uniformly spreading PE hot melt adhesive powder on PET compound non-woven fabric (100 g/m2 of PET non-woven fabric+103 g/m2 of PET mesh fabric) according to the powder spreading amount of 110 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET compound non-woven fabric, and cooling and shaping for use.

[0145] (3) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), attaching the prepared PET compound non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET compound non-woven fabric is connected with the root of the artificial yarn), heating the surface without hot melt adhesive powder of the PET compound non-woven fabric by a heating roller, controlling the heating temperature to be 180-190 C. melting the root of the artificial yarn and the hot melt adhesive powder, adhering the PET compound non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0146] (4) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 22

[0147] (1) Attaching PET compound woven fabric (180 g/m2 of PET single woven fabric+100 g/m2 of polyester staple fiber) and 70 g/m2 of PET mesh fabric which have identical breadth together, uniformly spreading PE hot melt, adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 110 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PP compound woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0148] (2) Uniformly spreading PE hot melt adhesive powder on PET compound woven fabric (80 g/m2 of PET son-woven fabric+150 g/m2 of PET mesh fabric) according to the powder spreading amount of 110 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET compound non-woven fabric, and cooling and shaping for use.

[0149] (3) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), attaching the prepared PET compound non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET compound non-woven fabric is connected with the root of the artificial yarn), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 170-180 C., melting the root of the artificial yarn and the hot melt adhesive powder, adhering the PET compound non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0150] (4) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

Embodiment 23

[0151] (1) Attaching 300 g/m2 of PET single woven fabric and 70 g/m2 of PET mesh fabric which have identical breadth together, uniformly spreading PE hot melt adhesive powder on the surface of the mesh fabric according to the powder spreading amount of 110 g/m2, heating the surface of the mesh fabric by a heating roller, controlling the temperature to be 135-145 C., melting the hot melt adhesive powder to produce adhesiveness and adhering the PET single woven fabric and the PET mesh fabric together, and cooling and shaping, thus preparing the base fabric.

[0152] (2) Uniformly spreading PE hot melt, adhesive powder on PET compound woven fabric (80 g/m2 of PET non-woven fabric+150 g/m2 of PET mesh fabric) according to the powder spreading amount of 110 g/m2, heating by an oven, controlling the temperature to be 140-150 C., melting the hot melt adhesive powder to produce adhesiveness and adhering same to the PET compound non-woven fabric, and cooling and shaping for use.

[0153] (2) Tufting artificial yarn on the base fabric to prepare semi-finished artificial turf (the surface with hot melt adhesive powder is used as a bottom surface), attaching the prepared PET compound non-woven fabric onto the bottom surface of the semi-finished product (the surface with hot melt adhesive powder of the PET compound non-woven fabric is connected with the root of the artificial yarn), heating the bottom surface of the semi-finished product by an oven, controlling the heating temperature to be 170-180 C., melting the root of the artificial yarn and the hot melt adhesive powder, adhering the PET compound non-woven fabric and the root of the artificial yarn and the base fabric together, and cooling and shaping, thus preparing the completely recyclable artificial turf.

[0154] (4) Testing the withdrawal force of the artificial yarn and the tensile breaking force of the bottom back of the artificial turf. See Table 1 for the result.

TABLE-US-00001 TABLE 1 Detection result of withdrawl force of artificial yarn and tensile breaking force of bottom back of artificial turf of completely recyclable artificial turf and control sample Detection items Tensile breaking Withdrawl Sample type force force Type Combination mode of base fabric (N/5 mm) (N) Artificial turf with PET non-woven fabric + mesh fabric + PET 776 46 the publication non-woven fabric + mesh fabric number of CN104727202A in the prior art Embodiment 1 PP single woven fabric 1301 46 Embodiment 2 PP single woven fabric 1250 51 Embodiment 3 PP single woven fabric 1193 45 Embodiment 4 PET single woven fabric 1596 49 Embodiment 5 PET single woven fabric 1502 56 Embodiment 6 PET single woven fabric 1450 50 Embodiment 7 PET single woven fabric 1380 49 Embodiment 8 PP compound woven fabric 1075 51 Embodiment 9 PET compound woven fabric 1456 57 Embodiment 10 PP single woven fabric + mesh fabric 1656 49 Embodiment 11 PET single woven fabric + mesh fabric 1925 55 Embodiment 12 PET single woven fabric + mesh fabric 1955 49 Embodiment 13 PET single woven fabric + mesh fabric 1926 57 Embodiment M: PP compound woven fabric + mesh fabric 1516 50 Embodiment 15 PET compound woven fabric + mesh fabric 1907 46 Embodiment 16 PP single woven fabric + PET non-woven fabric 1210 45 Embodiment 17 PET single woven fabric + PET non-woven 1527 50 fabric Embodiment 18 PP compound woven fabric + PKT non-woven 1186 51 fabric Embodiment 19 PET compound woven fabric + mesh fabric + 1910 51 PET non-woven fabric Embodiment 20 PP single woven fabric + mesh fabric + PKT 2303 49 non-woven fabric + mesh fabric Embodiment 21 PP compound woven fabric + mesh fabric + PET 2398 51 non-woven fabric + mesh fabric Embodiment 22 PET compound woven fabric + mesh fabric + 2698 60 PET non-woven fabric + mesh fabric Embodiment 23 PP single woven fabric + mesh fabric + PET 2714 53 non-woven fabric + mesh fabric

TABLE-US-00002 TABLE 2 Artificial yarn tufting comparison between the completely recyclable artificial turf of the present invention and the control sample (artificial turf with the publication number of CN104727202A in the prior art): Appearance of semi-finished Difficulty level of Situation for base product tufting fabric to fix yarn Artificial turf with the Artificial yarn are Difficult Base fabric has poor publication number of jagged in height capability to fix yarn, CN104727202A in the prior and there is an art obvious phenomenon of falling grass Artificial turf of the present Artificial yarn are Easy There is no invention consistent in phenomenon of height, and the falling grass surface is neat substantially

[0155] It can be known from the detection result that the prepared completely recyclable artificial turf of the present invention has obvious advantages in tufting efficiency and artificial turf strength.