CN108560273B - Manufacturing process of high-foaming super-soft scratch-resistant ecological fabric - Google Patents
Manufacturing process of high-foaming super-soft scratch-resistant ecological fabric Download PDFInfo
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- CN108560273B CN108560273B CN201810562695.0A CN201810562695A CN108560273B CN 108560273 B CN108560273 B CN 108560273B CN 201810562695 A CN201810562695 A CN 201810562695A CN 108560273 B CN108560273 B CN 108560273B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
- D06N3/08—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products with a finishing layer consisting of polyacrylates, polyamides or polyurethanes or polyester
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/005—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by blowing or swelling agent
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/02—Synthetic macromolecular fibres
- D06N2201/0218—Vinyl resin fibres
- D06N2201/0236—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
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- D06N2209/00—Properties of the materials
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- D06N2209/108—Slipping, anti-blocking, low friction
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1635—Elasticity
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- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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Abstract
The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric comprises the following steps: (1) treating base cloth; (2) sticking a foaming layer on the base cloth by a rolling method to form a bottom layer; (3) foaming the foaming layer by using a high-temperature foaming furnace, and then carrying out line absorption and surface making; (4) reversely coating TPU slurry on a roller coater; (5) drying the TPU base material in a low-temperature foaming furnace to form a TPU scratch-resistant layer; (6) absorbing patterns on the TPU surface layer by using a vacuum pattern absorbing method; (7) carrying out water-based treatment on the TPU surface layer on a surface treatment machine; (8) and (5) inspecting a finished product. The foaming layer and the TPU surface layer are prepared by adopting a unique formula, so that the surface sample has the advantages of high foaming, super softness, high elasticity and scratch resistance, the process is simpler, and the production cost is reduced.
Description
Technical Field
The invention belongs to the technical field of leather, and particularly relates to a manufacturing process of a high-foaming ultra-soft scratch-resistant ecological fabric.
Background
At present, the ultra-soft scratch-resistant ecological fabric produced in China adopts a PVC foaming layer with high foaming ratio and high oil content (percentage content of plasticizer) produced by calendering as a bottom layer, and then a calendering method is used for covering a surface layer without foaming agent to form a calendering bottom blank. The foaming layer is coated on the base cloth to form a calendering foaming layer for the first time, and the thicker PVC surface layer is coated on the calendering foaming layer for the second time, because the PVC surface layer does not contain foaming agent and has no foam holes, the PVC surface layer is scratch-resistant, but the traditional production process is complex, the product is soft but has insufficient elasticity, the scratch resistance but has poor sliding property, and the thick PVC surface layer directly leads to the cost improvement, and more acrylic acid treating agents are adopted in the rear-section surface treatment process for pursuing the imitation leather effect, so that the environmental protection property is poor.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric, which is simple and convenient in process, good in elasticity, sufficient in smoothness and low in cost.
In order to solve the technical problems, the invention adopts the following technical scheme: the manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric comprises the following steps,
(1) treating base cloth;
(2) sticking a foaming layer on the base cloth by a rolling method to form a bottom layer;
(3) foaming the foaming layer by using a high-temperature foaming furnace, and then carrying out line absorption and surface making;
(4) reversely coating TPU slurry on a roller coater;
(5) drying the TPU base material in a low-temperature foaming furnace to form a TPU scratch-resistant layer;
(6) absorbing patterns on the TPU surface layer by using a vacuum pattern absorbing method;
(7) carrying out water-based treatment on the TPU surface layer on a surface treatment machine;
(8) and (5) inspecting a finished product.
The specific operation process of the step (1) is as follows: the base cloth is made of PVC material, and is made of microfiber, chicken skin velvet, cotton-like velvet or elastic cloth; firstly, the base cloth is rubberized by a cloth opening processor, a laser engraved hexagonal mesh sizing roller is adopted to evenly rubberize the base cloth, then the rubberized base cloth is dried by an oven of the cloth opening machine, a glue layer is solidified, the base cloth is shaped, and finally the base cloth is rolled by a coiling machine to form finished cloth.
The glue is PU glue, and the preparation process of the PU glue is as follows: the preparation method comprises the following steps of (1) proportioning by weight percent and 100 percent of total weight: 19-25% of environment-friendly bi-component polyurethane glue, 65-75% of dimethyl carbonate, 5-11% of cross-linking agent and 1.5-2.5% of adhesive, wherein in order to ensure the softness of the ecological fabric, the ingredients are uniformly mixed and then heated and cured by an oven, and at the same time, 10-20% of solvent is left in the glue, so that the softness of the finished fabric and the good adhesion with PVC material are ensured; due to the temperature resistance difference of various base fabrics, the set temperature of the oven is different from base fabrics, the temperature of the microfiber and the chicken skin velvet is 60-70 ℃, the temperature of the cotton-like velvet is 70-80 ℃, and the temperature of the elastic cloth is 130-140 ℃, so that the aging and poor elasticity of the cloth at high temperature can be avoided.
The specific operation process of the step (2) is as follows: the foaming layer is prepared by the following raw materials in parts by weight, based on 100 parts of PVC, 110-125 parts of DTOP, 6-12 parts of AC foaming agent, 3-7 parts of stabilizer and 90-110 parts of CaCO33-10 parts of pigment and 15-25 parts of third-generation rubber, wherein the raw materials are firstly mixed at a low speed for 200-280 seconds in a kneader to ensure that all components are uniformly mixed and then kneaded at a high speed for 220-300 seconds to ensure that the liquid component is absorbed into the solid component; therefore, the product selects 2500 meshes of heavy calcium carbonate and 125 parts of 110-calcium carbonate oil, the low-speed mixing time is increased by 20 seconds to ensure that all components are uniformly mixed, and simultaneously, the DTOP of the large component is uniformly absorbed into the PVC and the heavy calcium carbonate powderMiddle, high speed meshing elongation for 25 seconds;
because the oil content is high and the filling is large, the calendering and banburying time in a kneader is prolonged by 30 seconds, and the AC foaming agent is added in 280 seconds, so that the full gelatinization of the material is facilitated.
The step (3) adopts a medium-speed and low-temperature foaming process, the speed of the foaming furnace is reduced from normal 35-40 m/min to 20-25 m/min, the foaming furnace is sequentially divided into six areas along the running direction, the first area and the second area are preheating sections, the third area is prefoaming, the fourth area is centralized foaming, the fifth area is a shaping area, the sixth area is a constant temperature area, after sequentially passing through the six areas, the texture absorption and the dough forming are carried out, and the specific process of the texture absorption and the dough forming is as follows: heating the surface of the product from the foaming furnace to 145-155 ℃ by a heating cover, using a suction roller with frosted grains to manufacture the PVC surface into a frosted plane on a vacuum grain suction machine, adopting a high-power vacuum pump in a grain suction and forming working section, wherein the negative pressure generated by the vacuum pump is enough to pull up local fine fibers of the base cloth and penetrate into a PVC foaming layer, and the vacuum grain suction and forming method has the advantages that the product is soft because of the adopted vacuum grain suction and forming working section, a small amount of base cloth fibers are penetrated into the foaming layer, and the foaming layer is elastic and 90-110 parts of CaCO3The PVC skeleton is formed by adding the PVC resin, and the surface of the product is smoother.
In the step (4), a layer of TPU slurry is coated on the bottom layer by a reverse coating method of a precise roller coater, the viscosity of the slurry directly influences the sizing amount, the viscosity and the temperature have a great relationship, in order to ensure the same sizing amount of the same variety, the TPU slurry is heated in a slurry barrel to 70-90 ℃ and then is kept warm, so that the viscosity of the slurry is not changed and the sizing amount is not changed at different temperatures, and the formula of the TPU slurry is as follows: based on 50 parts of TPU elastomer, 95-105 parts of compatilizer, 8-12 parts of flatting agent, 3-10 parts of pigment and 0.8-1.2 parts of surfactant are used.
In the step (5), the TPU slurry on the surface layer is dried in a low-temperature foaming furnace at the furnace temperature of 100-.
In the step (6), after the TPU layer on the surface of the product comes out of the oven, the TPU layer is heated by the heating cover with strong force to the surface layer to enable the TPU surface layer to reach 150-165 ℃, the surface layer is in a molten state, then patterns are sucked on a vacuum pattern sucking machine, in order to enable the whole TPU layer to reach the molten state, 20-25 single 2kw gold heating pipes are uniformly arranged in the heating cover, the distance between the gold heating pipes is 100mm, in order to ensure that the depth of the width edge of the product is consistent with that of the patterns in the middle, and 2-4U-shaped heating covers are symmetrically arranged on two sides of the width in the rear half part of the heating cover, so as to ensure that the temperature of two sides of the heating cover.
In the step (7), the surface of the product is subjected to water-based post-treatment, and a formula of the water-based treating agent is based on 100% of water, and 13% -17% of water-based dispersoid, 6% -10% of TPU particles, 0.6-1% of emulsifier, 1.8-2.2% of bridging agent, 0.8-1.2% of defoaming agent, 1-1.4% of thickening agent and 1.1-1.5% of wetting agent are added.
In order to improve the requirements of hand feeling and haze, 5-12% of hand feeling agent and 3-8% of matting powder are added into the aqueous treatment agent, and the hand feeling agent can be replaced by skin feeling agent, slipping feeling agent, oil feeling agent, wax feeling agent or silk feeling agent.
By adopting the technical scheme, the invention has the following technical effects:
1. DOTP not only has good compatibility with PVC, but also has excellent product flexibility, can inhibit oil exudation, AC foaming agent can soften bottom layer, CaCO3The production cost is greatly reduced, and particularly, the product has high elasticity under the condition of completely meeting the PVC calendering production process by using a novel elastomer, namely third-generation rubber.
2. The matting agent can reach different haze, the pigment can meet the requirement of a user on color, the surfactant can greatly improve the adhesion, emulsibility and fluidity of the TPU slurry, and in order to keep the roller coating amount unchanged at different air temperatures and keep the temperature of the slurry at 70-90 ℃ before use, the viscosity of the TPU slurry is kept unchanged as much as possible, and the coating thickness is uniform.
In conclusion, the foaming layer and the TPU surface layer are prepared by adopting a unique formula, so that the surface sample has the advantages of high foaming, super softness, high elasticity and scratch resistance, the process is simpler, and the production cost is reduced.
Detailed Description
The invention relates to a process for manufacturing a high-foaming super-soft scratch-resistant ecological fabric, which comprises the following steps of,
(1) treating base cloth;
(2) sticking a foaming layer on the base cloth by a rolling method to form a bottom layer;
(3) foaming the foaming layer by using a high-temperature foaming furnace, and then carrying out line absorption and surface making;
(4) reversely coating TPU slurry on a roller coater;
(5) drying the TPU base material in a low-temperature foaming furnace to form a TPU scratch-resistant layer;
(6) absorbing patterns on the TPU surface layer by using a vacuum pattern absorbing method;
(7) carrying out water-based treatment on the TPU surface layer on a surface treatment machine;
(8) and (5) inspecting a finished product.
The specific operation process of the step (1) is as follows: the base cloth is made of PVC material, and is made of microfiber, chicken skin velvet, cotton-like velvet or elastic cloth; firstly, the base cloth is rubberized by a cloth opening processor, a laser engraved hexagonal mesh sizing roller is adopted to evenly rubberize the base cloth, then the rubberized base cloth is dried by an oven of the cloth opening machine, a glue layer is solidified, the base cloth is shaped, and finally the base cloth is rolled by a coiling machine to form finished cloth.
The glue is PU glue, and the preparation process of the PU glue is as follows: the preparation method comprises the following steps of (1) proportioning by weight percent and 100 percent of total weight: 19-25% of environment-friendly bi-component polyurethane glue, 65-75% of dimethyl carbonate, 5-11% of cross-linking agent and 1.5-2.5% of adhesive, wherein in order to ensure the softness of the ecological fabric, the ingredients are uniformly mixed and then heated and cured by an oven, and at the same time, 10-20% of solvent is left in the glue, so that the softness of the finished fabric and the good adhesion with PVC material are ensured; due to the temperature resistance difference of various base fabrics, the set temperature of the oven is different from base fabrics, the temperature of the microfiber and the chicken skin velvet is 60-70 ℃, the temperature of the cotton-like velvet is 70-80 ℃, and the temperature of the elastic cloth is 130-140 ℃, so that the aging and poor elasticity of the cloth at high temperature can be avoided.
The specific operation process of the step (2) is as follows: the foaming layer is prepared by the following raw materials in parts by weight, based on 100 parts of PVC, 110-125 parts of DTOP, 6-12 parts of AC foaming agent, 3-7 parts of stabilizer and 90-110 parts of CaCO33-10 parts of pigment and 15-25 parts of third-generation rubber, the raw materials are mixed in a kneader at low speed for 200-280 seconds to ensure that all components are uniformly mixed,kneading at high speed for 220-300 seconds to ensure that the liquid component is absorbed into the solid component; therefore, the product selects 2500 meshes of heavy calcium carbonate and 125 parts of 110-calcium carbonate oil, the low-speed mixing time is increased by 20 seconds to ensure that all components are uniformly mixed, and meanwhile, the DTOP of the large component is uniformly absorbed into the PVC and heavy calcium carbonate powder and is meshed and elongated at a high speed for 25 seconds;
because the oil content is high and the filling is large, the calendering and banburying time in a kneader is prolonged by 30 seconds, and the AC foaming agent is added in 280 seconds, so that the full gelatinization of the material is facilitated.
The step (3) adopts a medium-speed and low-temperature foaming process, the speed of the foaming furnace is reduced from normal 35-40 m/min to 20-25 m/min, the foaming furnace is sequentially divided into six areas along the running direction, the first area and the second area are preheating sections, the third area is prefoaming, the fourth area is centralized foaming, the fifth area is a shaping area, the sixth area is a constant temperature area, after sequentially passing through the six areas, the texture absorption and the dough forming are carried out, and the specific process of the texture absorption and the dough forming is as follows: heating the surface of the product from the foaming furnace to 145-155 ℃ by a heating cover, using a suction roller with frosted grains to manufacture the PVC surface into a frosted plane on a vacuum grain suction machine, adopting a high-power vacuum pump in a grain suction and forming working section, wherein the negative pressure generated by the vacuum pump is enough to pull up local fine fibers of the base cloth and penetrate into a PVC foaming layer, and the vacuum grain suction and forming method has the advantages that the product is soft because of the adopted vacuum grain suction and forming working section, a small amount of base cloth fibers are penetrated into the foaming layer, and the foaming layer is elastic and 90-110 parts of CaCO3The PVC skeleton is formed by adding the PVC resin, and the surface of the product is smoother.
In the step (4), a layer of TPU slurry is coated on the bottom layer by a reverse coating method of a precise roller coater, the viscosity of the slurry directly influences the sizing amount, the viscosity and the temperature have a great relationship, in order to ensure the same sizing amount of the same variety, the TPU slurry is heated in a slurry barrel to 70-90 ℃ and then is kept warm, so that the viscosity of the slurry is not changed and the sizing amount is not changed at different temperatures, and the formula of the TPU slurry is as follows: based on 50 parts of TPU elastomer, 95-105 parts of compatilizer, 8-12 parts of flatting agent, 3-10 parts of pigment and 0.8-1.2 parts of surfactant are used.
In the step (5), the TPU slurry on the surface layer is dried in a low-temperature foaming furnace at the furnace temperature of 100-.
In the step (6), after the TPU layer on the surface of the product comes out of the oven, the TPU layer is heated by the heating cover with strong force to the surface layer to enable the TPU surface layer to reach 150-165 ℃, the surface layer is in a molten state, then patterns are sucked on a vacuum pattern sucking machine, in order to enable the whole TPU layer to reach the molten state, 20-25 single 2kw gold heating pipes are uniformly arranged in the heating cover, the distance between the gold heating pipes is 100mm, in order to ensure that the depth of the width edge of the product is consistent with that of the patterns in the middle, and 2-4U-shaped heating covers are symmetrically arranged on two sides of the width in the rear half part of the heating cover, so as to ensure that the temperature of two sides of the heating cover.
In the step (7), the surface of the product is subjected to water-based post-treatment, and a formula of the water-based treating agent is based on 100% of water, and 13% -17% of water-based dispersoid, 6% -10% of TPU particles, 0.6-1% of emulsifier, 1.8-2.2% of bridging agent, 0.8-1.2% of defoaming agent, 1-1.4% of thickening agent and 1.1-1.5% of wetting agent are added.
In order to improve the requirements of hand feeling and haze, 5-12% of hand feeling agent and 3-8% of matting powder are added into the aqueous treatment agent, and the hand feeling agent can be replaced by skin feeling agent, slipping feeling agent, oil feeling agent, wax feeling agent or silk feeling agent.
The invention is further described below in the specific implementation of two sets of test examples:
example 1:
the manufacturing process of the base cloth rubberized high-foaming ultra-soft scratch-resistant ecological fabric comprises the following steps:
1. treating the base fabric, namely PU gluing the microfiber fabric on a fabric opener, wherein the base fabric comprises the following ingredients: 21.3 percent of environment-friendly double-component polyamino nitric acid, 68 percent of dimethyl nitrate carbonate, 7.5 percent of cross-linking agent, 2.1 percent of adhesive and 64 percent of oven temperature.
And (2) sticking a foaming layer, adopting the following formula, taking 100 parts of PVC as a reference, preparing 113 parts of DTPU, 8.5 parts of foaming agent, 4 parts of stabilizer, 101 parts of CaCO3,3-10 parts of pigment and 18 parts of third-generation rubber, stirring the raw materials for 240 seconds, kneading for 250 seconds, and banburying for 280 seconds and adding AC foaming agent.
And (3) (foaming, the vehicle speed is 22 m/min, and the surface temperature of the product after the product is taken out of the heating cover is 155 ℃.
And (4) applying PU slurry, wherein the formula of the slurry is as follows, based on 50 parts of TPU elastomer, 100 parts of compatilizer, 8-12 parts of matting powder, 3-10 parts of pigment and 0.9 part of surfactant are added, and the slurry is subjected to heat preservation in a heat preservation barrel at 50 ℃ (summer).
And (5) drying and curing, namely drying the PU slurry in an oven, wherein the oven temperature is set to 116 ℃.
And (6) opening 25 heating pipes, controlling the temperature of the TPU surface layer to be plus or minus 1 ℃ at 165 ℃, and controlling the temperature difference between the left, middle and right sides to be plus or minus 1 ℃ (appropriately opening the U-shaped heating pipes), so as to ensure that the left, middle and right patterns are consistent.
And (7) carrying out water-based treatment on the semi-finished fabric, and preparing 15% of water-based dispersion, 10% of TPU particles, 0.75% of emulsifier, 2.0% of bridging agent, 0.8% of defoamer, 1.2% of thickener, 1.2% of wetting agent and 10% of slipping agent by taking 100% of water as a reference, wherein the temperature of a TPU surface layer in a baking oven of a surface treatment machine is controlled to be 80 ℃ plus or minus 2 ℃.
Example 2:
the process for manufacturing the high-foaming ultra-soft scratch-resistant ecological fabric by gluing the base cloth in the step (1) comprises the following steps
1. Treating the base fabric, namely PU gluing the elastic fabric on a fabric opener, wherein the base fabric comprises the following ingredients: 24% of environment-friendly double-component poly-ammonia nitric acid, 70% of dimethyl carbonate nitrate, 6.5% of a crosslinking agent, 2.3% of an adhesive and 135% of a drying oven penta-toxicity.
And (2) sticking a foaming layer, adopting the following formula, taking 100 parts of PVC as a reference, preparing 120 parts of DTPU, 7 parts of foaming agent, 6 parts of stabilizer, 108 parts of CaCO3,3-10 parts of pigment and 20 parts of third-generation rubber, stirring the above raw materials for 240 seconds, kneading for 255 seconds, and banburying for 280 seconds and adding an AC foaming agent.
And (3) (foaming, the vehicle speed is 25 m/min, and the surface temperature of the product after the product is taken out of the heating cover is 155 ℃.
And (4) applying PU slurry, wherein the formula of the slurry is as follows, based on 50 parts of TPU elastomer, 100 parts of compatilizer, 8-12 parts of flatting powder, 3-10 parts of pigment and 0.95 part of surfactant are added, and the slurry is subjected to heat preservation in a heat preservation barrel at 65 ℃ (autumn).
And (5) drying and curing, namely drying the PU slurry in an oven, wherein the oven temperature is set to be 100 ℃.
And (6) opening 25 heating pipes, controlling the temperature of the TPU surface layer to be plus or minus 1 ℃ at 165 ℃, and controlling the temperature difference between the left, middle and right sides to be plus or minus 1 ℃ (appropriately opening the U-shaped heating pipes), so as to ensure that the left, middle and right patterns are consistent.
And (7) carrying out water-based treatment on the semi-finished fabric, and preparing 17% of water-based dispersion, 8% of TPU particles, 0.6% of emulsifier, 2.0% of bridging agent, 1.0% of defoamer, 1.2% of thickener, 1.2% of wetting agent, 10% of slipping agent and 12% of wax agent by taking 100% of water as a reference, wherein the temperature of a TPU surface layer in a surface treatment machine oven is controlled to be 75 plus or minus 2 ℃.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (7)
1. The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric is characterized by comprising the following steps of: comprises the following steps of (a) carrying out,
(1) treating base cloth;
(2) sticking a foaming layer on the base cloth by a rolling method to form a bottom layer;
(3) foaming the foaming layer by using a high-temperature foaming furnace, and then carrying out line absorption and surface making;
(4) reversely coating TPU slurry on a roller coater;
(5) drying the TPU base material in a low-temperature foaming furnace to form a TPU scratch-resistant layer;
(6) absorbing patterns on the TPU surface layer by using a vacuum pattern absorbing method;
(7) carrying out water-based treatment on the TPU surface layer on a surface treatment machine;
(8) inspecting a finished product;
in the step (4), a layer of TPU slurry is coated on the bottom layer by a reverse coating method of a precise roller coater, the viscosity of the slurry directly influences the sizing amount, the viscosity and the temperature have a great relationship, in order to ensure the same sizing amount of the same variety, the TPU slurry is heated in a slurry barrel to 70-90 ℃ and then is kept warm, so that the viscosity of the slurry is not changed and the sizing amount is not changed at different temperatures, and the formula of the TPU slurry is as follows: taking 50 parts of TPU elastomer as a reference, 95-105 parts of compatilizer, 8-12 parts of flatting agent, 3-10 parts of pigment and 0.8-1.2 parts of surfactant are matched;
in the step (5), the TPU slurry on the surface layer is dried in a low-temperature foaming furnace at the furnace temperature of 100-;
in the step (6), after the TPU layer on the surface of the product comes out of the oven, the TPU layer is heated by the heating cover with strong force to the surface layer to enable the TPU surface layer to reach 150-165 ℃, the surface layer is in a molten state, then patterns are sucked on a vacuum pattern sucking machine, in order to enable the whole TPU layer to reach the molten state, 20-25 single 2kw gold heating pipes are uniformly arranged in the heating cover, the distance between the gold heating pipes is 100mm, in order to ensure that the depth of the width edge of the product is consistent with that of the patterns in the middle, and 2-4U-shaped heating covers are symmetrically arranged on two sides of the width in the rear half part of the heating cover, so as to ensure that the temperature of two sides of the heating cover.
2. The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric according to claim 1, characterized in that: the specific operation process of the step (1) is as follows: the base cloth is made of PVC material, and is made of microfiber, chicken skin velvet, cotton-like velvet or elastic cloth; firstly, the base cloth is rubberized by a cloth opening processor, a laser engraved hexagonal mesh sizing roller is adopted to evenly rubberize the base cloth, then the rubberized base cloth is dried by an oven of the cloth opening machine, a glue layer is solidified, the base cloth is shaped, and finally the base cloth is rolled by a coiling machine to form finished cloth.
3. The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric according to claim 2, characterized in that: the glue is PU glue, and the preparation process of the PU glue is as follows: the preparation method comprises the following steps of (1) proportioning by weight percent and 100 percent of total weight: 19-25% of environment-friendly bi-component polyurethane glue, 65-75% of dimethyl carbonate, 5-11% of cross-linking agent and 1.5-2.5% of adhesive, wherein in order to ensure the softness of the ecological fabric, the ingredients are uniformly mixed and then heated and cured by an oven, and at the same time, 10-20% of solvent is left in the glue, so that the softness of the finished fabric and the good adhesion with PVC material are ensured; due to the temperature resistance difference of various base fabrics, the set temperature of the oven is different from base fabrics, the temperature of the microfiber and the chicken skin velvet is 60-70 ℃, the temperature of the cotton-like velvet is 70-80 ℃, and the temperature of the elastic cloth is 130-140 ℃, so that the aging and poor elasticity of the cloth at high temperature can be avoided.
4. The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric according to claim 2, characterized in that: the specific operation process of the step (2) is as follows: the foaming layer is prepared by the following raw materials in parts by weight, based on 100 parts of PVC, 110-125 parts of DTOP, 6-12 parts of AC foaming agent, 3-7 parts of stabilizer and 90-110 parts of CaCO33-10 parts of pigment and 15-25 parts of third-generation rubber, wherein the raw materials are firstly mixed at a low speed for 200-280 seconds in a kneader to ensure that all components are uniformly mixed and then kneaded at a high speed for 220-300 seconds to ensure that the liquid component is absorbed into the solid component; therefore, the product selects 2500 meshes of heavy calcium carbonate and 125 parts of 110-calcium carbonate oil, the low-speed mixing time is increased by 20 seconds to ensure that all components are uniformly mixed, and meanwhile, the DTOP of the large component is uniformly absorbed into the PVC and heavy calcium carbonate powder and is meshed and elongated at a high speed for 25 seconds;
because the oil content is high and the filling is large, the calendering and banburying time in a kneader is prolonged by 30 seconds, and the AC foaming agent is added in 280 seconds, so that the full gelatinization of the material is facilitated.
5. The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric according to claim 4, characterized in that: the step (3) adopts a medium-speed and low-temperature foaming process, the speed of the foaming furnace is reduced from normal 35-40 m/min to 20-25 m/min, the foaming furnace is sequentially divided into six areas along the running direction, the first area and the second area are preheating sections, the third area is prefoaming, the fourth area is centralized foaming, the fifth area is a shaping area, the sixth area is a constant temperature area, after sequentially passing through the six areas, the texture absorption and the dough forming are carried out, and the specific process of the texture absorption and the dough forming is as follows: the product from the foaming furnace is heated to 145-155 ℃ by a heating cover, the PVC surface is made into a frosted plane on a vacuum grain sucking machine by using a sucking roller with frosted grains, a high-power vacuum pump is adopted in the grain sucking and forming working section, the negative pressure generated by the vacuum pump is enough to pull up local fine fibers of the base cloth to penetrate into a PVC foaming layer, the advantages are that the product is soft due to the adoption of the vacuum grain sucking and forming working section,a small amount of base cloth fiber is penetrated into the foaming layer, the elasticity is realized, and 90 to 110 parts of CaCO3The PVC skeleton is formed by adding the PVC resin, and the surface of the product is smoother.
6. The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric according to claim 1, characterized in that: in the step (7), the surface of the product is subjected to water-based post-treatment, and a formula of the water-based treating agent is based on 100% of water, and 13% -17% of water-based dispersoid, 6% -10% of TPU particles, 0.6-1% of emulsifier, 1.8-2.2% of bridging agent, 0.8-1.2% of defoaming agent, 1-1.4% of thickening agent and 1.1-1.5% of wetting agent are added.
7. The manufacturing process of the high-foaming super-soft scratch-resistant ecological fabric according to claim 6, characterized in that: in order to improve the requirements of hand feeling and haze, 5-12% of hand feeling agent and 3-8% of matting powder are added into the aqueous treatment agent, and the hand feeling agent can be replaced by skin feeling agent, slipping feeling agent, oil feeling agent, wax feeling agent or silk feeling agent.
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