Fabric composite process and composite fabric

Abstract

The present application relates to the field of fabric compounding, and particularly relates to a fabric compounding process and a compounded fabric. The compounding process comprises the following steps: step one: preparing fabrics one, two and a hot melt adhesive film to be compounded; step two: continuously performing discharge treatment on the bottom surface of the fabric one and the bottom surface of the fabric two, the fabric one and the fabric two are sequentially placed with the bottom surfaces upward and continuously pass through a discharge roller above the fabrics to perform direct discharge treatment, the treatment time is 3-5 seconds, and the voltage of the discharge roller is 5-15 kV / m 2 ; step three: sequentially assembling the fabric one and the fabric two treated in step two on guide rollers of a compounding device, and laying the hot melt adhesive film, the bottom surface of the fabric one, the hot melt adhesive film and the bottom surface of the fabric two are sequentially contacted and pass through hot-pressing guide rollers to form a compounded fabric after hot-pressing. The compounded fabric obtained by the compounding process has good adhesion, high peel strength and strong durability.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of fabric compounding, in particular to a fabric compounding process and a compounded fabric. BACKGROUND

[0002] The compounded fabric is generally a multi-layer fabric formed by bonding different properties of fabrics through a glue film or a glue-dropping method. The stiffness and physical properties of the compounded fabric are improved. In particular, the compounded fabric compounded by the glue film has a simple and controllable compounding process and a relatively environmentally friendly operation environment without odor, and is widely used in the field of shoe fabric. The current shoe fabric woven from single silk, nylon, polyester and other chemical fibers has a less-than-ideal strength after being compounded with the glue film, and is prone to delamination after being bent and oxidized for many times, which will seriously affect the quality of the product.

[0003] In addition, due to the good stiffness and high thickness of the compounded fabric, the antibacterial type and skin-friendly performance of the shoe upper also become a demand. SUMMARY

[0004] Therefore, the present application provides a fabric compounding process, which comprises the following steps:

[0005] Step 1: preparing fabrics one and two to be compounded and a hot melt adhesive film;

[0006] Step 2: continuously discharging the bottom surface of fabric one and the bottom surface of fabric two, fabric one and fabric two are sequentially placed with the bottom surface upward and continuously pass through the discharging roller above the fabric for direct discharging treatment, the treatment time is 3-5 seconds, and the voltage of the discharging roller is 5-15 kV / m. 2 ;

[0007] Step 3: sequentially assembling fabric one and fabric two treated in step 2 on the guide roller of the compounding equipment, and laying the hot melt adhesive film, the bottom surface of fabric one, the hot melt adhesive film and the bottom surface of fabric two are sequentially contacted and passed through the hot pressing guide roller to form a compounded fabric.

[0008] Further, the hot melt adhesive film is a TPU adhesive film or an EVA adhesive film.

[0009] Further, the proportion of chemical fibers in the fabric one and the fabric two is not less than 20%.

[0010] Further, the fabric one is a warm-keeping fabric knitted from elastic yarn, the elastic yarn is a covered yarn including a skin layer yarn and a core layer yarn, the skin layer yarn is a 75D / 72F DTY filament spun from polyester-based carbon nanotube fiber, and the core layer is 40D spandex.

[0011] Further, the skin layer yarn is untwisted yarn, the covering yarn is air covering yarn, and the air node of the air covering yarn is 80-100 / m.

[0012] Further, the skin layer yarn is untwisted yarn, the covering yarn is machine covering yarn, and the machine covering twist is 280-300 twists / m.

[0013] Further, the warm-keeping fabric is single-sided weft-knitted fabric, in the smallest knitting unit of which, the longitudinal direction includes 6 rows of transverse knitting lines, and the transverse direction includes 4 rows of longitudinal knitting lines, the first row is all loop stitches; the second row is that the second needle position and the fourth needle position are both tuck stitches to the second needle position and the fourth needle position of the first row, and the rest needle positions are loop stitches; the third row is that the second needle position and the fourth needle position are both tuck stitches to the second needle position and the fourth needle position of the first row, and the rest needle positions are loop stitches; the fourth row is that the second needle position and the fourth needle position are both tuck stitches to the second needle position and the fourth needle position of the first row, and the rest needle positions are loop stitches; the fifth row is that the first needle position and the third needle position are both tuck stitches to the first needle position and the third needle position of the first row, and the rest needle positions are loop stitches; and the sixth row is that the first needle position and the third needle position are both tuck stitches to the first needle position and the third needle position of the first row, and the rest needle positions are loop stitches.

[0014] Further, the warm-keeping fabric is subjected to a pre-treatment process and a setting process after knitting, the pre-treatment process is that 0.3-0.5 g / L of refining agent and 1.2-1.4 g / L of refining emulsifier are added, and refining is performed at a bath ratio of 1:10 and a temperature of 95 degrees Celsius for 20 minutes; and the setting process is that 18 g / L of hydrophilic softener and 0.4 g / L of buffer acid are added, and setting is performed at a super-feeding rate of 20% and a temperature of 135 degrees Celsius.

[0015] Further, the first fabric is terry cloth which is interwoven by bamboo fiber yarn and polyester low-elasticity filament, the proportion of the bamboo fiber yarn is 70%, and the proportion of the polyester low-elasticity filament is 30%, and the terry height of the terry cloth is 20-25 μm.

[0016] Further, when the first fabric is terry cloth, the hot melt adhesive film is TPU film, and the first fabric in step 3 is subjected to tension-free compounding, the compounding temperature is 70-75 degrees Celsius, and the compounding pressure is 5.5 MPa.

[0017] Further, the second fabric is a multi-layer warp-knitted fabric, and the knitting process is as follows: a warp-knitting machine with six guide bars is used for knitting, the guide bars GB1 and GB2 adopt two-thread two-empty thread 150D / 72F polyester semi-light DTY, the guide bar GB3 adopts full-thread thread 25D / 1F polyester semi-light monofilament, the guide bars JB4 and JB5 adopt one-thread one-empty thread 150D / 72F nylon semi-light DTY, and the guide bar GB6 adopts full-thread 150D / 72F nylon semi-light DTY, the padding number code process of each guide bar is as follows: the guide bar GB1 is 4-5-3-2 / 4-5-3-2 / 1-0-2-3 / 1-0-3-2 / / , the guide bar GB2 is 1-0-2-3 / 1-0-2-3 / 1-0-2-3 / 4-5-3-2 / 4-5-3-2 / / , the guide bar GB3 is 1-0-1-2 / 2-3-2-1 / / , the guide bar JB4 is 1-0-1-2 / / , the guide bar JB5 is 1-0-1-2 / / , and the guide bar GB6 is 1-0-0-1 / / , wherein the guide bars GB1 and GB2 form the first surface layer of the fabric on the front needle bed, the guide bar GB3 forms the connecting layer of the fabric by padding and looping on the front and back needle beds, the guide bar GB6 forms the second surface layer of the fabric on the back needle bed, and the guide bars JB4 and JB5 form the pattern effect of the second surface layer.

[0018] Further, the on-machine density of the second fabric is 16 stitches / cm, and the greige fabric has a weight of 380 g / m 2 .

[0019] Further, the TPU film used is a new type of TPU hot melt adhesive film, which comprises 70 parts of thermoplastic polyurethane solution, 55 parts of polycarbonate polyol, 15 parts of 1,5-naphthalene diisocyanate, 15 parts of dihydroxyalkyl polydimethylsiloxane, 12 parts of male pine rosin, 10 parts of a mixture of ultraviolet absorbers and antioxidants, which is a mixture of 2,4-dimethyl-6-tert-butyl phenol and 2,6-di-tert-butyl-p-cresol, and 4 parts of an antioxidant, and the preparation method comprises the following steps:

[0020] I. 70 parts of thermoplastic polyurethane solution, 55 parts of polycarbonate polyol, 15 parts of 1,5-naphthalene diisocyanate, 15 parts of dihydroxyalkyl polydimethylsiloxane, 12 parts of male pine rosin, 10 parts of a mixture of ultraviolet absorbers and antioxidants, which is a mixture of 2,4-dimethyl-6-tert-butyl phenol and 2,6-di-tert-butyl-p-cresol, and 4 parts of an antioxidant are selected, and the above amounts are by weight.

[0021] II. The raw materials in step I are fully stirred and mixed, heated to 135°C, vacuumized to remove bubbles, and placed in a molten state to form a hot melt adhesive solution;

[0022] III. The polymerized hot melt adhesive solution in step II is extruded through an extruder, formed into a film through casting and calendering, and shaped through cooling and traction; the temperature of the extruder is controlled at 215°C.

[0023] IV. Through the winding process, the TPU hot melt adhesive film is obtained.

[0024] As a second aspect of the present application, a composite fabric is provided, which is made by the fabric compounding process as described above.

[0025] Compared with the prior art, the beneficial effects of the present application are embodied in:

[0026] 1. The composite fabric obtained by the compounding process of the present application has good adhesion, high peel strength and strong durability;

[0027] 2. The compounding process of the present application is a continuous process, which almost does not increase the process time compared with the traditional compounding process in the prior art, but greatly improves the compounding quality, bringing greater production efficiency to the enterprise;

[0028] 3. The composite fabric of the present application adopts a warm fabric, which has antibacterial and skin-friendly properties, a fluffy fabric structure, and a three-dimensional surface, which is used as the inner layer of the fabric, ensuring its dryness and giving it good skin-friendliness and functionality.

[0029] 4. The composite fabric of the present application adopts bamboo fiber terry cloth, which has antibacterial properties due to bamboo fiber, and provides physical strength of the fabric due to polyester yarn, and the terry structure gives the fabric warmth.

[0030] 5. The composite fabric of the present application adopts warp-knitted multi-layer fabric, which has a three-dimensional surface and good wear resistance, and when used as the outer layer of the fabric, it can provide good protection for the upper.

[0031] 6. The new TPU hot melt adhesive film of the present application has better adhesion, giving the composite fabric better peel strength. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 FIG. 1 is a structural schematic diagram of the fabric one according to an embodiment of the present application. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0034] Embodiment 1

[0035] The present embodiment proposes a fabric compounding process, which comprises the following steps:

[0036] Step one: prepare the fabric one, fabric two and hot melt adhesive film to be compounded;

[0037] Step two: the bottom surface of fabric one and the bottom surface of fabric two are subjected to continuous discharge treatment, fabric one and fabric two are sequentially placed with the bottom surface upward and continuously pass through the discharge roller above the fabric for direct discharge treatment, the treatment time is 3-5 seconds; the discharge roller voltage is 5-15 kV / m 2 ;

[0038] Step three: fabric one and fabric two treated in step two are sequentially assembled on the guide roller of the compounding equipment, and the hot melt adhesive film is laid, the bottom surface of fabric one, the hot melt adhesive film and the bottom surface of fabric two are sequentially contacted and passed through the hot pressing guide roller to form a composite fabric after hot pressing.

[0039] As a preferred mode of the embodiment, the hot melt adhesive film is a TPU adhesive film;

[0040] As another preferred mode of the embodiment, the hot melt adhesive film is an EVA adhesive film.

[0041] To provide a composite fabric with both warmth and antibacterial properties, the fabric one in the embodiment is a warm-keeping fabric knitted from elastic yarn, which is a covered yarn including skin layer yarn and core layer yarn, the skin layer yarn is a 75D / 72F DTY filament spun from polyester-based carbon nanotube fiber, and the core layer is 40D spandex.

[0042] As a preferred mode of the embodiment, the skin layer yarn is untwisted yarn, the covered yarn is air-covered yarn, and the air node of the air-covered yarn is 80-100 / m.

[0043] As a second preferred mode of the embodiment, the skin layer yarn is untwisted yarn, the covered yarn is machine-covered yarn, and the machine-covered twist is 280-300 twists / m.

[0044] For example, the warm-keeping fabric of the embodiment is a single-sided weft-knitted fabric, such as Figure 1As shown, in its minimum weaving unit, its longitudinal direction includes 8 rows of transverse weaving lines, its transverse direction includes 4 rows of longitudinal weaving lines, the first row is all knit stitches; the second row is that the 2nd needle position and the 4th needle position are both tuck stitches to the 2nd needle position and the 4th needle position of the first row respectively, and the rest of the needle positions are all knit stitches; the third row is that the 2nd needle position and the 4th needle position are both tuck stitches to the 2nd needle position and the 4th needle position of the first row respectively, and the rest of the needle positions are all knit stitches; the fourth row is that the 2nd needle position and the 4th needle position are both tuck stitches to the 2nd needle position and the 4th needle position of the first row respectively, and the rest of the needle positions are all knit stitches; the fifth row is that the 1st needle position and the 3rd needle position are both tuck stitches to the 1st needle position and the 3rd needle position of the first row respectively, and the rest of the needle positions are all knit stitches; and the sixth row is that the 1st needle position and the 3rd needle position are both tuck stitches to the 1st needle position and the 3rd needle position of the first row respectively, and the rest of the needle positions are all knit stitches.

[0045] The warm-keeping fabric of the embodiment needs to be subjected to a pretreatment process and a setting process after being woven. The pretreatment process is: adding 0.3-0.5 g / L of a refining agent and 1.2-1.4 g / L of a refining emulsifier, and setting under the conditions of a bath ratio of 1:10, a temperature of 95 degrees Celsius, and a refining time of 20 minutes. The setting process is: adding 18 g / L of a hydrophilic softener and 0.4 g / L of a buffer acid, and setting under the conditions of an overfeed of 20%, a temperature of 135 degrees Celsius.

[0046] The type of the fabric 2 of the embodiment is not limited, but as a preferred, to ensure the improvement effect of the adhesive strength after the modification of the fabric, the proportion of chemical fibers in the fabric 2 is preferably not less than 20%.

[0047] The composite fabric obtained through the composite process of the embodiment has good adhesion, high peel strength, and strong durability. The composite process of the embodiment is a continuous process, and compared with the traditional composite process in the prior art, the process time is almost not increased, but the composite quality is greatly improved, which brings greater production efficiency to the enterprise. The composite fabric 1 of the embodiment uses a warm-keeping fabric, and simultaneously has antibacterial and skin-friendly properties. The fabric structure is fluffy, and has a three-dimensional surface. When used as an inner layer of a fabric, it not only ensures dryness and freshness, but also gives good skin-friendly properties and functions.

[0048] The warm-keeping fabric of the embodiment has a room temperature folding fastness of 80,000 times without breakage and delamination, a low-temperature folding fastness of 40,000 times without breakage and delamination, and an adhesive strength of 158 N, which is about 20% higher than that of the composite process without the step 2 treatment under the same conditions.

[0049] The test results of the warm-keeping performance of the fabric are shown in Table 1.

[0050] Table 1: Light absorption and heat generation performance of the fabric of Example 1

[0051]

[0052] The control sample is a cotton standard sample prepared according to the standard GB / T 7568.2-2008 Part 2, wherein the temperature difference of the control sample for 20 min is the standard minimum requirement. According to the test data, the fabric of the present embodiment has good light absorption and heat generation performance.

[0053] The test results of the antibacterial performance of the fabric are shown in Table 2.

[0054] Table 2 Test results of the antibacterial performance of the fabric of Example 1

[0055]

[0056] According to the test data, the fabric of the present embodiment has good antibacterial performance.

[0057] The fabric of the present embodiment is a composite fabric with comfortable and multifunctional inner surface layer, and the air covering yarn is used for the inner surface layer. After finishing, the yarn is fluffy, and combined with the concave-convex hole structure, it is three-dimensional, soft and functional.

[0058] Example 2

[0059] Another structure of the fabric one is provided in the present embodiment, specifically, the fabric one is terry cloth which is interwoven by bamboo fiber yarn and polyester low elastic yarn, wherein the proportion of bamboo fiber yarn is 70%, and the proportion of polyester low elastic yarn is 30%, and the terry height of the terry cloth is 20-25 μm.

[0060] As a preferred mode of the present embodiment, when the fabric one is terry cloth, the hot melt adhesive film is selected as TPU film, and the fabric one in step 3 is tension-free composite, the composite temperature is 70-75 degrees Celsius, and the composite pressure is 5.5 MPa.

[0061] The composite fabric one of the present embodiment uses terry cloth of bamboo fiber, which has antibacterial property provided by bamboo fiber, and physical strength provided by polyester yarn, and warmth retention property provided by terry structure. The antibacterial performance of the fabric of the present embodiment is shown in Table 3.

[0062]

[0063]

[0064] According to the test results, the fabric of the present embodiment has good antibacterial performance.

[0065] Example 3

[0066] The structure of the second fabric is exemplarily given in the embodiment, and the second fabric is a multi-layer warp-knitted fabric, and the knitting process is as follows: a warp-knitting machine with six guide bars is used for knitting, the threading mode of each guide bar is as follows: the guide bars GB1 and GB2 are threaded with 150D / 72F polyester semi-lustrous DTY in a two-thread two-gap threading mode, the guide bar GB3 is threaded with 25D / 1F polyester semi-lustrous monofilament in a full-thread threading mode, the guide bars JB4 and JB5 are threaded with 150D / 72F nylon semi-lustrous DTY in a one-thread one-gap threading mode, and the guide bar GB6 is threaded with 150D / 72F nylon semi-lustrous DTY in a full-thread mode; the inlaying code process of each guide bar is as follows: the guide bar GB1 is 4-5-3-2 / 4-5-3-2 / 1-0-2-3 / 1-0-3-2 / / , the guide bar GB2 is 1-0-2-3 / 1-0-2-3 / 1-0-2-3 / 4-5-3-2 / 4-5-3-2 / / , the guide bar GB3 is 1-0-1-2 / 2-3-2-1 / / , the guide bar JB4 is 1-0-1-2 / / , the guide bar JB5 is 1-0-1-2 / / , and the guide bar GB6 is 1-0-0-1 / / ; wherein the guide bars GB1 and GB2 form the first surface layer of the fabric by looping in the front needle bed, the guide bar GB3 forms the connecting layer of the fabric by looping with the inlaying in the front and back needle beds, the guide bar GB6 forms the second surface layer of the fabric by looping in the back needle bed, and the guide bars JB4 and JB5 form the pattern effect of the second surface layer.

[0067] As a preferred mode of the embodiment, the machine density of the second fabric is 16 loops / cm, and the greige fabric weight is 380 g / m 2 .

[0068] The second composite fabric of the embodiment uses a multi-layer warp-knitted fabric, which has a three-dimensional surface and good wear resistance, and can be used as the outer surface layer of the fabric to provide good protection for the vamp. The physical property test of the second fabric of the embodiment is shown in Table 4.

[0069] Table 4: Physical test results of the first fabric of Example 3

[0070] Test item Technical index Test result of fabric 2 in Example 3 Tear strength (machine direction) 40N 65N Bending resistance (machine direction) 80000 turns 100000 turns Elongation at break (machine direction) 7& 30％ Burst strength 8 kg / cm 3 ]] 17.5 kg / cm 3 ]]

[0071] According to the test results, the physical properties of the second fabric of the embodiment are excellent, which are much higher than the physical property requirements of the prior art for shoe material fabric.

[0072] Example 4

[0073] The embodiment proposes a new TPU hot melt adhesive film, which comprises 70 parts of a thermoplastic polyurethane solution; 55 parts of polycarbonate polyol; 15 parts of 1,5-naphthalene diisocyanate; 15 parts of dihydroxyalkyl polydimethylsiloxane; 12 parts of maleic rosin; 10 parts of a mixture of ultraviolet absorbers and antioxidants, which is a mixture of 2,4-dimethyl-6-tert-butyl phenol and 2,6-di-tert-butyl-p-cresol; and 4 parts of an antioxidant, and the preparation method comprises the following steps:

[0074] I. Selecting thermoplastic polyurethane solution 70 parts; polycarbonate polyol 55 parts; 1,5-naphthalene diisocyanate 15 parts; dihydroxyalkyl polydimethylsiloxane 15 parts; maleic rosin 12 parts; ultraviolet absorber, antioxidant mixture of 2,4-dimethyl-6-tert-butyl phenol and 2,6-di-tert-butyl-p-cresol 10 parts; antioxidant 4 parts; the above amount by weight.

[0075] II. The raw materials of step I are fully stirred and mixed, heated to 135℃, vacuumized to remove bubbles, and the ingredients are in a molten state to form a hot melt adhesive solution;

[0076] III. The hot melt adhesive solution after polymerization in step II is extruded through an extruder, and the film is formed by casting and calendering, and is shaped by cooling and traction; the temperature of the extruder is controlled at 215℃.

[0077] IV. Through the winding process, the TPU hot melt adhesive film is obtained.

[0078] The hot melt adhesive film of the present embodiment is applied to the above-mentioned embodiments, and the adhesion strength is further improved.

[0079] The polyol, polyisocyanate, tackifier can provide the initial adhesion of the TPU hot melt adhesive film, the dihydroxyalkyl polydimethylsiloxane can greatly improve the low temperature resistance of the present application, the functional additives and antioxidants are set to provide good aging resistance of the TPU hot melt adhesive film, and the service life is improved. The TPU hot melt adhesive film of the present embodiment improves the adhesion strength by 5-10% under the same compounding conditions compared with the commercially available TPU film.

[0080] It should be noted that, in the present text, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such process, method, article or apparatus.

[0081] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fabric lamination process characterized by: The method comprises the following steps: Step 1: preparing the fabric one to be compounded, fabric two and hot melt adhesive film; Step two: the bottom surface of fabric one and the bottom surface of fabric two are subjected to continuous discharge treatment, fabric one and fabric two are sequentially subjected to direct discharge treatment with the bottom surface upward and continuously passing through the discharge roller above the fabric, the treatment time is 3-5 seconds; the voltage of the discharge roller is 5-15 kV / m 2 ; Step 3: sequentially assembling the fabric one and fabric two treated in step 2 on the guide roller of the compounding equipment, laying the hot melt adhesive film, and sequentially contacting the bottom surface of the fabric one, the hot melt adhesive film and the bottom surface of the fabric two to form a compounded fabric after hot pressing by the hot pressing guide roller; The fabric one is a warm-keeping fabric knitted by elastic yarn, the elastic yarn is covered yarn including skin layer yarn and core layer yarn, the skin layer yarn is 75D / 72F DTY filament spun by polyester-based carbon nanotube fiber, and the core layer is 40D spandex. The warm-keeping fabric is single-side weft-knitted fabric, in the smallest knitting unit of which, the longitudinal direction includes 6 rows of transverse knitting lines, and the transverse direction includes 4 rows of longitudinal knitting lines, the first row is all loop formation stitches; the second row is that the second needle position and the fourth needle position are both tuck stitches to the second needle position and the fourth needle position of the first row, and the remaining needle positions are loop formation stitches; the third row is that the second needle position and the fourth needle position are both tuck stitches to the second needle position and the fourth needle position of the first row, and the remaining needle positions are loop formation stitches; the fourth row is that the second needle position and the fourth needle position are both tuck stitches to the second needle position and the fourth needle position of the first row, and the remaining needle positions are loop formation stitches; the fifth row is that the first needle position and the third needle position are both tuck stitches to the first needle position and the third needle position of the first row, and the remaining needle positions are loop formation stitches; and the sixth row is that the first needle position and the third needle position are both tuck stitches to the first needle position and the third needle position of the first row, and the remaining needle positions are loop formation stitches. The fabric two is multi-layer warp-knitted fabric, and the knitting process is as follows: a warp-knitting machine with 6 guide bars is used for knitting, the yarn feeding mode of each guide bar is as follows: guide bars GB1 and GB2 adopt two-in-two-out yarn feeding 150D / 72F polyester semi-dull DTY, guide bar GB3 adopts full yarn feeding 25D / 1F polyester semi-dull monofilament, guide bars JB4 and JB5 adopt one-in-one-out yarn feeding 150D / 72F nylon semi-dull DTY, and guide bar GB6 adopts full yarn feeding 150D / 72F nylon semi-dull DTY; and the inlaying number code process of each guide bar is as follows: guide bar GB1 is 4-5-3-2 / 4-5-3-2 / 1-0-2-3 / 1-0-3-2 / / , guide bar GB2 is 1-0-2-3 / 1-0-2-3 / 1-0-2-3 / 4-5-3-2 / 4-5-3-2 / / , guide bar GB3 is 1-0-1-2 / 2-3-2-1 / / , guide bar JB4 is 1-0-1-2 / / , guide bar JB5 is 1-0-1-2 / / , and guide bar GB6 is 1-0-0-1 / / ; wherein, guide bars GB1 and GB2 form the first surface layer of the fabric by looping on the front needle bed, guide bar GB3 forms the connecting layer of the fabric by looping on the front and back needle beds, guide bar GB6 forms the second surface layer of the fabric on the back needle bed, and guide bars JB4 and JB5 form the pattern effect of the second surface layer.

2. A facestock lamination process according to claim 1, wherein: The skin layer yarn is untwisted yarn, the covered yarn is air-covered yarn, and the air node of the air-covered yarn is 80-100 / m.

3. A facestock lamination process according to claim 1, wherein: The skin yarn is untwisted yarn, the wrapping yarn is machine wrapping yarn, and the machine wrapping twist is 280-300 twists per meter.

4. A facestock lamination process as defined in claim 1, wherein: The warm-keeping fabric is subjected to a pre-treatment process and a setting process after being knitted, the pre-treatment process is: adding 0.3-0.5 g / L of refining agent and 1.2-1.4 g / L of refining emulsifier, under the condition of a bath ratio of 1:10 and a temperature of 95 degrees Celsius, refining for 20 minutes; The setting process is: adding 18 g / L of hydrophilic softener and 0.4 g / L of buffer acid, setting under the condition of over-feeding of 20% and a temperature of 135 degrees Celsius.

5. A facestock lamination process according to claim 1, wherein: The fabric one is terry cloth which is interwoven by bamboo fiber yarn and polyester low-elasticity filament, wherein the proportion of bamboo fiber yarn is 70%, and the proportion of polyester low-elasticity filament is 30%, and the terry height of the terry cloth is 20-25 μm.

6. A facestock lamination process according to claim 5, wherein: When the fabric one is terry cloth, the hot melt adhesive film is TPU film, and the fabric one in step 3 is subjected to tension-free compounding, the compounding temperature is 70-75 degrees Celsius, and the compounding pressure is 5.5 MPa.

7. A composite fabric, characterized by: The fabric is made by the fabric compounding process as claimed in any one of claims 1-6.

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