Preparation method of antistatic dust-free slimming underwear

Abstract

The invention discloses a preparation method of antistatic dust-free slimming underwear. The preparation method specifically comprises the following steps: step 1, preparing protease modified polyamide chips, porous structure polyester chips and composite chips; 2, preparing the composite silk threads; 3, fabric preparation; and 4, preparing the slimming underwear. The slimming underwear is formed by finishing and processing the fabric obtained in the third step, and finishing comprises soft anti-wrinkle finishing, pre-shaping, tailoring, sewing and finished product shaping. The prepared slimming underwear solves the problems that an existing product, especially a black product, is easy to generate static electricity in the wearing process, and white points appear on the appearance due to dust adsorption, and has the effects of being antistatic, free of dust adhesion, washable, durable and capable of being dyed in any color.

Description

Technical Field

[0001] The invention relates to the field of underwear garment preparation, and in particular to a method for preparing antistatic and dust-free slimming underwear. Background Art

[0002] With the growth of people's consumption capacity and demand for a better life, slimming underwear that can show the beauty of body is increasingly attracting attention and use by women. After years of technological development and people's feedback from wearing slimming underwear, higher requirements have been put forward for the comfort and functionality of slimming underwear.

[0003] Patent CN201310010760.6 discloses an electromagnetic radiation-proof and antistatic underwear, which is woven from metal wire blended yarns and has the properties of no pollution, metal elements not easy to fall off, and good radiation-proof and antistatic effects.

[0004] Patent CN202110669670.2 discloses a method for manufacturing moisture-absorbing, perspiration-wicking, antibacterial, radiation-proof and antistatic yarn for underwear. Pure natural colored cotton fiber is selected as the main component and combined with natural hemp plant fiber, silver ion fiber and aromatic anti-mite and antibacterial gramineous fiber for blending. The yarn is spun into knitting yarn through a carding process or a combing process to achieve the functions of green and environmentally friendly, moisture-absorbing and breathable, comfortable and heat-dissipating, antibacterial and anti-mite, anti-ultraviolet and infrared, and anti-radiation. At the same time, conductive fiber is added to the blended yarn to eliminate the problem of static electricity in clothing.

[0005] Patent CN202110827030.X discloses a conductive fiber and a conductive fabric, and a preparation method and application thereof. The conductive fiber comprises (a) a fiber matrix, (b) an inorganic material and / or a polymer bonded to the surface of the fiber matrix, and (c) a conductive material bonded to the inorganic material and / or the polymer.

[0006] The above-mentioned existing slimming underwear is mainly designed, developed and promoted around the style, pattern structure and fitness function, and has achieved a good market. However, the above-mentioned slimming underwear has static electricity and dust adhesion, which affects people's wearing comfort and appearance. Some researchers have added conductive fibers or blended metal substances, such as silver ions and metal fibers, but the product has defects such as poor wearing comfort, high cost, limited color and pattern styles, and poor reproducibility. Summary of the invention

[0007] The purpose of the present invention is to overcome the above defects of the prior art and provide a method for preparing an antistatic and dust-free slimming underwear, which has the effects of antistatic, dust-free, washable and wear-resistant, and can be dyed in any color.

[0008] In order to achieve the above object, the present invention is implemented by the following technical scheme: a method for preparing antistatic and dust-free slimming underwear, characterized in that it specifically comprises the following steps: Step 1: Preparation of protease-modified polyamide slices, porous polyester slices, and composite slices: The protease-modified polyamide slice is prepared by blending polyamide and plant protease, wherein the polyamide and the plant protease form a protease-modified polyester, and the added mass proportion of the plant protease used for blending preparation is 0.5%-3%; The porous structure polyester slice is prepared by blending polyester and white bamboo charcoal powder, wherein the polyester and the white bamboo charcoal powder form a porous structure polyester, and the white bamboo charcoal added for the blending preparation accounts for 0.5%-3% by weight; The composite slice is prepared by blending protease-modified polyamide, porous structure polyester, antistatic agent and metal compound, wherein the protease-modified polyamide, porous structure polyester, antistatic agent and metal compound are blended to form a hydrophilic antistatic composite, and the mass proportions of the protease-modified polyamide, porous structure polyester, antistatic agent and metal compound in the hydrophilic antistatic composite are 30%-50%, 30%-50%, 0.3%-1% and 0.5%-3% respectively; Step 2: Preparation of composite yarn: The composite yarn is fed into respective screw extruders by protease-modified polyamide slices, porous structure polyester slices and composite slices and spun through a composite spinning assembly. The composite yarn is a three-layer nested structure, which includes an inner lining, a middle area and an outer lining. The inner lining is a porous structure polyester, the middle area is a protease-modified polyamide, and the outer lining is a hydrophilic antistatic composite. Step 3: Fabric preparation: The fabric is woven by composite silk threads on an underwear machine, and the fabric structure is a small jacquard structure; Step 4: Preparation of slimming underwear: The slimming underwear is made by finishing the fabric obtained in step 3, and the finishing includes soft and wrinkle-resistant finishing, pre-shaping, cutting, sewing, and finished product shaping.

[0009] Preferably, the plant protease comprises a combination of one or more of bromelain and papain.

[0010] Preferably, the particle size of the white bamboo charcoal powder is between 50nm and 500nm.

[0011] Preferably, the metal compound comprises a combination of one or more of zirconium oxide, zinc oxide, titanium dioxide, and aluminum-doped zinc oxide.

[0012] Preferably, the antistatic agent is octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, which has good antistatic effect and is washable.

[0013] Preferably, the composite spinning assembly includes a composite spinneret, which is a four-leaf three-layer nested structure. The four-leaf three-layer nested structure includes an inner lining, a middle area, and an outer lining. The inner lining is circular, the middle area is a hollow elliptical shape, and the outer lining is four and a half blades, which can better stabilize the structure of the composite silk thread and further achieve good hydrophilic and antistatic properties.

[0014] Preferably, the linear density of the composite yarn is 50D / 48F-150D / 144F.

[0015] Preferably, the dobby structure is a local mesh structure composed of knitted loops and tuck loops, the arrangement ratio of the number of loops to the number of tuck loops in the horizontal direction of the dobby structure is 10:1-3:1, and the arrangement ratio of the number of loops to the number of tuck loops in the longitudinal direction of the dobby structure is 8:1-2:1.

[0016] Preferably, the soft and wrinkle-resistant finishing adopts a polyurethane hydrophilic soft and wrinkle-resistant finishing agent, and the finishing agent dosage is 8g / L-12g / L. The soft and wrinkle-resistant finishing adopts a padding process, and the liquid carrying rate of the padding process is 60%-80%. The soft and wrinkle-resistant finishing is followed by pre-setting, wherein the soft and wrinkle-resistant finishing and pre-setting are carried out in the same setting machine with a finishing tank, the pre-setting temperature is 170℃-190℃, the pre-setting time is 30s-180s, the finished product setting temperature is 160℃-180℃, and the finished product setting time is 60s-300s.

[0017] Beneficial effects: The prepared slimming underwear solves the problem that existing products, especially black products, are prone to static electricity and dust absorption during wearing, resulting in white spots on the appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-layer nested structure of the composite yarn of the present invention.

[0019] In the figure: 1-inner layer, 2-middle layer, 3-outer layer. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features and objectives of the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments.

[0021] Example 1: Figure 1 As shown, a method for preparing an antistatic and dust-free slimming underwear specifically comprises the following steps: Step 1: Preparation of protease-modified polyamide slices, porous polyester slices, and composite slices: Protease-modified polyamide slices are prepared by blending polyamide and plant protease, the plant protease is papain, polyamide and plant protease form protease-modified polyester, the added mass proportion of plant protease used in the blend is 0.5%-3%, and the hydrophilicity of polyamide is greatly improved through plant protease modification; The porous structure polyester slice is prepared by blending polyester and white bamboo charcoal powder. The particle size of the white bamboo charcoal powder is 50nm-500nm. The polyester and the white bamboo charcoal powder form a porous structure polyester. The white bamboo charcoal added by weight accounts for 0.5%-3% of the blend. The structural polyester has a porous structure, which increases the specific surface area, improves the water storage and wicking performance, and makes the porous structure polyester have good hydrophilic properties. At the same time, it avoids the undesirable phenomena of static electricity and dust absorption to a certain extent. The composite slice is prepared by blending protease-modified polyamide, porous structure polyester, antistatic agent and metal compound. The metal compound is titanium dioxide, and the antistatic agent is octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, which has good antistatic effect and is washable. The protease-modified polyamide, porous structure polyester, antistatic agent and metal compound are blended to form a hydrophilic antistatic composite. The mass proportions of protease-modified polyamide, porous structure polyester, antistatic agent and metal compound in the hydrophilic antistatic composite are 30%-50%, 30%-50%, 0.3%-1% and 0.5%-3% respectively. The protease-modified polyamide and the porous structure polyester have opposite electrostatic friction properties, so that the static electricity generated by friction can be neutralized. The addition of antistatic agent and metal compound further eliminates the static electricity generated by friction, so as to achieve the effect of no dust. Step 2: Preparation of composite yarn: The composite yarn is fed into respective screw extruders by protease-modified polyamide slices, porous structure polyester slices and composite slices and spun through composite spinning components. The composite yarn is a three-layer nested structure, which includes an inner lining 1, a middle area 2 and an outer periphery 3. The inner lining 1 is a porous structure polyester, the middle area 2 is a protease-modified polyamide, and the outer periphery 3 is a hydrophilic antistatic composite. The three-layer nested structure not only realizes the good soft feel of the composite yarn, but also solves the problem of general antistatic effect and dust staining of existing single-component nylon and two-component nylon-polyester skin-core structure composite yarns, especially the problem that white spots will appear after being stained with dust, thus affecting the wearing appearance. Step 3: Fabric preparation: The fabric is woven by composite yarn on an underwear machine, and the fabric structure is a small jacquard structure; the composite spinning assembly includes a composite spinneret, which is a four-leaf three-layer nested structure. The four-leaf three-layer nested structure includes an inner lining 1, a middle area 2, and an outer lining 3. The inner lining 1 is circular, the middle area 2 is a hollow elliptical shape, and the outer lining 3 is four and a half leaf shapes, which can better stabilize the structure of the composite yarn and further achieve good hydrophilic and antistatic properties. The linear density of the composite yarn is 50D / 48F-150D / 144F. The small jacquard structure is a local mesh structure composed of knitted loops and tuck loops. The arrangement ratio of the number of loops and the number of tuck loops in the horizontal direction of the small jacquard structure is 8:1, and the arrangement ratio of the number of loops and the number of tuck loops in the longitudinal direction of the small jacquard structure is 4:1.

[0022] Step 4: Preparation of slimming underwear: The slimming underwear is made by finishing the fabric obtained in step three, and the finishing includes soft wrinkle-resistant finishing, pre-setting, cutting, sewing, and finished product setting, which solves the problem that the existing multi-component slimming underwear such as skin-core composite yarn is easy to wrinkle by hand and has a large size shrinkage after washing. The soft wrinkle-resistant finishing adopts a polyurethane hydrophilic soft wrinkle-resistant finishing agent, and the finishing agent dosage is 8g / L. The soft wrinkle-resistant finishing adopts a padding process, and the padding process liquid carrying rate is 80%. After the soft wrinkle-resistant finishing, it is pre-setting. The soft wrinkle-resistant finishing and pre-setting are carried out in the same setting machine with a finishing tank. The pre-setting temperature is 170°C, the pre-setting time is 60s, the finished product setting temperature is 160°C, and the finished product setting time is 120s.

[0023] Example 2: Figure 1 As shown, a method for preparing an antistatic and dust-free slimming underwear specifically comprises the following steps: Step 1: Preparation of protease-modified polyamide slices, porous polyester slices, and composite slices: Protease-modified polyamide slices are prepared by blending polyamide with plant proteases. Plant proteases include bromelain and papain. The mass ratio of bromelain to papain is 1:1. Polyamide and plant proteases form protease-modified polyester. The mass ratio of plant proteases added for blending is 0.5%-3%. The hydrophilic properties of polyamide are greatly improved through plant protease modification. The porous structure polyester slice is prepared by blending polyester and white bamboo charcoal powder. The particle size of the white bamboo charcoal powder is 50nm-500nm. The polyester and the white bamboo charcoal powder form a porous structure polyester. The white bamboo charcoal added by weight accounts for 0.5%-3% of the blend. The structural polyester has a porous structure, which increases the specific surface area, improves the water storage and wicking performance, and makes the porous structure polyester have good hydrophilic properties. At the same time, it avoids the undesirable phenomena of static electricity and dust absorption to a certain extent. The composite slice is prepared by blending protease-modified polyamide, porous structure polyester, antistatic agent and metal compound, and the metal compound is aluminum-doped zinc oxide. The antistatic agent is octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, which has good antistatic effect and is washable. Protease-modified polyamide, porous structure polyester, antistatic agent and metal compound are blended to form a hydrophilic antistatic composite. The mass proportions of protease-modified polyamide, porous structure polyester, antistatic agent and metal compound in the hydrophilic antistatic composite are 30%-50%, 30%-50%, 0.3%-1% and 0.5%-3% respectively. Protease-modified polyamide and porous structure polyester have opposite electrostatic friction properties, so that the static electricity generated by friction can be neutralized. The addition of antistatic agent and metal compound further eliminates the static electricity generated by friction, achieving the effect of no dust. Step 2: Preparation of composite yarn: The composite yarn is fed into respective screw extruders by protease-modified polyamide slices, porous structure polyester slices and composite slices and spun through composite spinning components. The composite yarn is a three-layer nested structure, which includes an inner lining 1, a middle area 2 and an outer periphery 3. The inner lining 1 is a porous structure polyester, the middle area 2 is a protease-modified polyamide, and the outer periphery 3 is a hydrophilic antistatic composite. The three-layer nested structure not only realizes the good soft feel of the composite yarn, but also solves the problem of general antistatic effect and dust staining of existing single-component nylon and two-component nylon-polyester skin-core structure composite yarns, especially the problem that white spots will appear after being stained with dust, thus affecting the wearing appearance. Step 3: Fabric preparation: The fabric is woven from composite yarn on an underwear machine, and the fabric structure is a small jacquard structure; the composite spinning assembly includes a composite spinneret, which is a four-leaf three-layer nested structure. The four-leaf three-layer nested structure includes an inner lining 1, a middle area 2, and an outer lining 3. The inner lining 1 is circular, the middle area 2 is a hollow elliptical shape, and the outer lining 3 is four and a half leaf shapes, which can better stabilize the structure of the composite yarn and further achieve good hydrophilic and antistatic properties. The linear density of the composite yarn is 50D / 48F-150D / 144F. The small jacquard structure is a local mesh structure composed of knitted loops and tuck loops. The arrangement ratio of the number of loops and the number of tuck loops in the horizontal direction of the small jacquard structure is 10:1, and the arrangement ratio of the number of loops and the number of tuck loops in the longitudinal direction of the small jacquard structure is 6:1.

[0024] Step 4: Preparation of slimming underwear: The slimming underwear is made by finishing the fabric obtained in step three, and the finishing includes soft wrinkle-resistant finishing, pre-setting, cutting, sewing, and finished product setting, which solves the problem that the existing multi-component slimming underwear such as skin-core composite yarn is easy to wrinkle by hand and has a large size shrinkage after washing. The soft wrinkle-resistant finishing adopts a polyurethane hydrophilic soft wrinkle-resistant finishing agent, and the finishing agent dosage is 12g / L. The soft wrinkle-resistant finishing adopts a padding process, and the padding process liquid carrying rate is 60%. After the soft wrinkle-resistant finishing, it is pre-setting. The soft wrinkle-resistant finishing and pre-setting are carried out in the same setting machine with a finishing tank. The pre-setting temperature is 190℃, the pre-setting time is 30s, the finished product setting temperature is 180℃, and the finished product setting time is 60s.

[0025] Example 3: Figure 1 As shown, a method for preparing an antistatic and dust-free slimming underwear specifically comprises the following steps: Step 1: Preparation of protease-modified polyamide slices, porous polyester slices, and composite slices: Protease-modified polyamide slices are prepared by blending polyamide and plant protease, the plant protease is bromelain, polyamide and plant protease form protease-modified polyester, the added mass proportion of plant protease used in the blend is 0.5%-3%, and the hydrophilicity of polyamide is greatly improved through plant protease modification; The porous structure polyester slice is prepared by blending polyester and white bamboo charcoal powder. The particle size of the white bamboo charcoal powder is 50nm-500nm. The polyester and the white bamboo charcoal powder form a porous structure polyester. The white bamboo charcoal added by weight accounts for 0.5%-3% of the blend. The structural polyester has a porous structure, which increases the specific surface area, improves the water storage and wicking performance, and makes the porous structure polyester have good hydrophilic properties. At the same time, it avoids the undesirable phenomena of static electricity and dust absorption to a certain extent. The composite slice is prepared by blending protease-modified polyamide, porous structure polyester, antistatic agent and metal compound, and the metal compound is titanium dioxide. The antistatic agent is octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, which has good antistatic effect and is washable. Protease-modified polyamide, porous structure polyester, antistatic agent and metal compound are blended to form a hydrophilic antistatic composite. The mass proportions of protease-modified polyamide, porous structure polyester, antistatic agent and metal compound in the hydrophilic antistatic composite are 30%-50%, 30%-50%, 0.3%-1% and 0.5%-3% respectively. Protease-modified polyamide and porous structure polyester have opposite electrostatic friction properties, so that the static electricity generated by friction can be neutralized. The addition of antistatic agent and metal compound further eliminates the static electricity generated by friction, achieving the effect of no dust. Step 2: Preparation of composite yarn: The composite yarn is fed into respective screw extruders by protease-modified polyamide slices, porous structure polyester slices and composite slices and spun through composite spinning components. The composite yarn is a three-layer nested structure, which includes an inner lining 1, a middle area 2 and an outer periphery 3. The inner lining 1 is a porous structure polyester, the middle area 2 is a protease-modified polyamide, and the outer periphery 3 is a hydrophilic antistatic composite. The three-layer nested structure not only realizes the good soft feel of the composite yarn, but also solves the problem of general antistatic effect and dust staining of existing single-component nylon and two-component nylon-polyester skin-core structure composite yarns, especially the problem that white spots will appear after being stained with dust, thus affecting the wearing appearance. Step 3: Fabric preparation: The fabric is woven from composite yarn on an underwear machine, and the fabric structure is a small jacquard structure; the composite spinning assembly includes a composite spinneret, which is a four-leaf three-layer nested structure. The four-leaf three-layer nested structure includes an inner lining 1, a middle area 2, and an outer lining 3. The inner lining 1 is circular, the middle area 2 is a hollow elliptical shape, and the outer lining 3 is four and a half leaf shapes, which can better stabilize the structure of the composite yarn and further achieve good hydrophilic and antistatic properties. The linear density of the composite yarn is 50D / 48F-150D / 144F. The small jacquard structure is a local mesh structure composed of knitted loops and tuck loops. The arrangement ratio of the number of loops and the number of tuck loops in the horizontal direction of the small jacquard structure is 3:1, and the arrangement ratio of the number of loops and the number of tuck loops in the longitudinal direction of the small jacquard structure is 2:1.

[0026] Step 4: Preparation of slimming underwear: The slimming underwear is made by finishing the fabric obtained in step three, and the finishing includes soft wrinkle-resistant finishing, pre-setting, cutting, sewing, and finished product setting, which solves the problem that the existing multi-component slimming underwear such as skin-core composite yarn is easy to wrinkle by hand and has a large size shrinkage after washing. The soft wrinkle-resistant finishing adopts a polyurethane hydrophilic soft wrinkle-resistant finishing agent, and the finishing agent dosage is 10g / L. The soft wrinkle-resistant finishing adopts a padding process, and the padding process liquid carrying rate is 70%. After the soft wrinkle-resistant finishing, it is pre-setting. The soft wrinkle-resistant finishing and pre-setting are carried out in the same setting machine with a finishing tank. The pre-setting temperature is 180℃, the pre-setting time is 50s, the finished product setting temperature is 170℃, and the finished product setting time is 200s.

[0027] Use: The prepared slimming underwear solves the problem that existing products, especially black products, are prone to static electricity and dust absorption during wearing, resulting in white spots on the appearance.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention shall be defined by the attached claims and their equivalents.

Claims

1. A method for preparing antistatic and dust-free slimming underwear, characterized in that: The specific steps include: Step 1: Preparation of protease-modified polyamide slices, porous polyester slices, and composite slices: The protease-modified polyamide slice is prepared by blending polyamide and plant protease, wherein the polyamide and the plant protease form a protease-modified polyester, and the added mass proportion of the plant protease used for blending preparation is 0.5%-3%; The porous structure polyester slice is prepared by blending polyester and white bamboo charcoal powder, wherein the polyester and the white bamboo charcoal powder form a porous structure polyester, and the white bamboo charcoal added for the blending preparation accounts for 0.5%-3% by weight; The composite slice is prepared by blending protease-modified polyamide, porous structure polyester, antistatic agent and metal compound, wherein the protease-modified polyamide, porous structure polyester, antistatic agent and metal compound are blended to form a hydrophilic antistatic composite, and the mass proportions of the protease-modified polyamide, porous structure polyester, antistatic agent and metal compound in the hydrophilic antistatic composite are 30%-50%, 30%-50%, 0.3%-1% and 0.5%-3% respectively; Step 2: Preparation of composite yarn: The composite yarn is fed into respective screw extruders by protease-modified polyamide slices, porous structure polyester slices and composite slices and spun through a composite spinning assembly. The composite yarn is a three-layer nested structure, which includes an inner lining, a middle area and an outer lining. The inner lining is a porous structure polyester, the middle area is a protease-modified polyamide, and the outer lining is a hydrophilic antistatic composite. Step 3: Fabric preparation: The fabric is woven by composite silk threads on an underwear machine, and the fabric structure is a small jacquard structure; Step 4: Preparation of slimming underwear: The slimming underwear is made by finishing the fabric obtained in step 3, and the finishing includes soft and wrinkle-resistant finishing, pre-shaping, cutting, sewing, and finished product shaping.

2. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The plant protease comprises a combination of one or more of bromelain and papain.

3. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The particle size of the white bamboo charcoal powder is between 50nm and 500nm.

4. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The metal compound includes a combination of one or more of zirconium oxide, zinc oxide, titanium dioxide, and aluminum-doped zinc oxide.

5. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The antistatic agent is octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate.

6. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The composite spinning component includes a composite spinneret, which is a four-leaf three-layer nested structure. The four-leaf three-layer nested structure includes an inner lining, a middle area, and an outer lining. The inner lining is circular, the middle area is a hollow elliptical shape, and the outer lining is four half-leaf shapes.

7. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The linear density of the composite yarn is 50D / 48F-150D / 144F.

8. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The dobby structure is a local mesh structure composed of knitted loops and tuck loops, the arrangement ratio of the number of loops to the number of tuck loops in the horizontal direction of the dobby structure is 10:1-3:1, and the arrangement ratio of the number of loops to the number of tuck loops in the longitudinal direction of the dobby structure is 8:1-2:

1.

9. The method for preparing the antistatic and dust-free slimming underwear according to claim 1, characterized in that: The soft and wrinkle-resistant finishing adopts a polyurethane hydrophilic soft and wrinkle-resistant finishing agent, and the amount of the finishing agent is 8g / L-12g / L. The soft and wrinkle-resistant finishing adopts a padding process, and the liquid carrying rate of the padding process is 60%-80%. The soft and wrinkle-resistant finishing is followed by pre-setting, wherein the soft and wrinkle-resistant finishing and pre-setting are carried out in the same setting machine with a finishing tank, the pre-setting temperature is 170°C-190°C, the pre-setting time is 30s-180s, the finished product setting temperature is 160°C-180°C, and the finished product setting time is 60s-300s.

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