CN113152109A - PVC suede nap without adhesive and preparation method thereof - Google Patents
PVC suede nap without adhesive and preparation method thereof Download PDFInfo
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- CN113152109A CN113152109A CN202011425162.1A CN202011425162A CN113152109A CN 113152109 A CN113152109 A CN 113152109A CN 202011425162 A CN202011425162 A CN 202011425162A CN 113152109 A CN113152109 A CN 113152109A
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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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- 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
- D06N3/0004—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 ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
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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
- D06N3/0043—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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- 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
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic 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
- D06N3/0056—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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- 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
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- D06N3/186—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials one of the layers is on one surface of the fibrous web and the other layer is on the other surface of the fibrous web
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Abstract
The invention discloses a PVC chamois flannel without adhesive and a preparation method thereof, comprising a chamois flannel base layer, a waterproof coating and a PVC coating, wherein the waterproof coating is fixedly arranged on one side of the chamois flannel base layer, and the PVC coating is fixedly arranged on one side of the chamois flannel base layer far away from the waterproof coating; the waterproof coating comprises the following raw materials in parts by weight: 90-105 parts of waterproof resin, the adhesive-free waterproof/PVC chamois flannel prepared by the invention has better telescopic elasticity than a chamois flannel base layer made of terylene or nylon fibers through a chamois flannel base layer made of PTT sea-island fiber fabric, and the two sides of the chamois flannel base layer are respectively coated through a waterproof coating and a PVC coating, wherein, the waterproof coating has better waterproof effect and wear-resistant effect by adding a wear-resistant agent and a waterproof agent in the waterproof coating, thereby the waterproof effect and wear-resistant effect of the chamois flannel base layer are improved, and the waterproof effect and wear-resistant effect of the whole chamois flannel are further improved.
Description
Technical Field
The invention relates to the technical field of chamois flannel preparation, in particular to adhesive-free PVC chamois flannel and a preparation method thereof.
Background
The suede nap is a fabric made of animal suede nap, but the fabric made of animal skin has too many limitations, so the fabric made of the suede nap is woven by modern textile technology;
the suede nap fabric has many properties which are not inferior to natural suede, and has many properties which are even superior to natural suede, such as soft fabric feel, waxy property, good drapability, and light and thin texture. The suede fabric is suitable for bags, shoe materials (lining, and fabric are all suitable), clothes, automotive interiors, clean cloth (eye cloth), leather base cloth, high-grade packaging boxes and lamp decorations;
most of the existing chamois leather matte material are made of PVC or waterproof materials by coating chamois leather as a base layer, although the chamois leather matte material is soft in hair feel, waxy in nature, good in drapability and light and thin in texture, along with the improvement of social level, the requirements of people on the quality of the chamois leather matte material are gradually increased, such as telescopic elasticity, waterproof effect, wear-resistant effect and the like.
Disclosure of Invention
The present invention is directed to provide an adhesive-free PVC suede and a method for preparing the same, which solve the problems of the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme: an adhesive-free PVC suede comprises a suede base layer, a waterproof coating and a PVC coating, wherein the waterproof coating is fixedly arranged on one side of the suede base layer, and the PVC coating is fixedly arranged on one side, far away from the waterproof coating, of the suede base layer;
the waterproof coating comprises the following raw materials in parts by weight: 90-105 parts of waterproof resin, 30-40 parts of fluxing agent, 80-100 parts of environment-friendly plasticizer, 45-65 parts of filler, 2-5 parts of stabilizer, 3-7 parts of foaming agent, 0.5-1 part of toner, 0.3-0.8 part of wear-resistant agent and 0.5-0.8 part of waterproof agent.
In a preferred embodiment, the waterproof coating comprises the following raw materials in parts by weight: 95 parts of waterproof resin, 35 parts of fluxing agent, 85 parts of environment-friendly plasticizer, 50 parts of filler, 3 parts of stabilizer, 4 parts of foaming agent, 0.7 part of toner, 0.4 part of wear-resistant agent and 0.6 part of waterproof agent.
In a preferred embodiment, the waterproof coating comprises the following raw materials in parts by weight: 100 parts of waterproof resin, 38 parts of fluxing agent, 90 parts of environment-friendly plasticizer, 55 parts of filler, 4 parts of stabilizer, 6 parts of foaming agent, 0.9 part of toner, 0.5 part of wear-resistant agent and 0.7 part of waterproof agent.
In a preferred embodiment, the fluxing agent is one of dimethylformamide and butanone, the environment-friendly plasticizer is one of dibutyl phthalate and diethyl phthalate, the filler is calcium carbonate, the stabilizer is a potassium-zinc stabilizer, the foaming agent is azodicarbonamide, the wear-resisting agent is silicone oil, and the waterproof agent is hexacarbon octafluoro.
In a preferred embodiment, the suede base layer is a PTT sea-island fiber fabric with an areal density of 125-2。
In a preferred embodiment, the PVC coating comprises the following raw materials in parts by weight: 95 parts of PVC, 38 parts of fluxing agent, 90 parts of environment-friendly plasticizer, 48 parts of filler, 3 parts of stabilizer, 5 parts of foaming agent and 0.8 part of toner.
In a preferred embodiment, the suede base layer has a thickness of 4.1 to 7.9mm, the waterproof coating layer has a thickness of 0.4 to 0.7mm, and the PVC coating layer has a thickness of 0.3 to 0.5 mm.
A preparation method of adhesive-free PVC suede comprises the following steps:
s1, adding waterproof resin, a fluxing agent and an environment-friendly plasticizer into a group of containers in proportion, stirring for 30-40S, then adding a filler, a stabilizer, a foaming agent and toner into the containers in proportion, stirring for 30-40S, finally adding a wear-resistant agent and a waterproof agent into the containers in proportion, and uniformly stirring to obtain waterproof slurry;
s2, adding PVC, a fluxing agent, an environment-friendly plasticizer, a filler, a stabilizer, a foaming agent and toner into another group of containers in proportion, and uniformly stirring to obtain PVC slurry;
s3, uniformly coating the waterproof slurry on one side of the suede base layer, and drying and shaping the coated suede base layer by a drying and shaping machine to prepare a waterproof suede composite layered material;
s4, uniformly coating the PVC slurry on the other side of the suede nap base layer, and drying and shaping the coated suede nap base layer by a drying and shaping machine to prepare a waterproof/PVC suede composite layered material;
s5, placing the waterproof/PVC chamois composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed waterproof/PVC chamois composite laminated material;
and S6, cooling the foamed waterproof/PVC chamois composite laminated material to room temperature by using an air cooler, and then trimming, cutting and sanding to obtain the adhesive-free waterproof/PVC chamois flannel.
In a preferred embodiment, in steps S3 and S4, the drying operation is performed at 150-160 ℃ for 90-150S.
In a preferred embodiment, in steps S3 and S4, the waterproof slurry coated on one side of the suede base layer and the PVC slurry coated on the other side of the suede base layer are both penetrated into the suede base layer, so that the suede base layer, the waterproof coating layer and the PVC coating layer are combined into a whole.
In a preferred embodiment, in step S5, the temperature inside the foaming furnace is 160-215 ℃.
Compared with the prior art, the invention has the beneficial effects that:
1. the adhesive-free waterproof/PVC suede prepared by the invention has better telescopic elasticity compared with a suede base layer made of terylene or nylon fibers through a suede base layer made of PTT sea-island fiber fabric, and the two sides of the suede base layer are respectively coated through the waterproof coating and the PVC coating, wherein the waterproof coating has a waterproof effect and a wear-resistant effect due to the addition of the wear-resistant agent and the waterproof agent in the waterproof coating, so that the waterproof effect and the wear-resistant effect of the suede base layer are improved, and the waterproof effect and the wear-resistant effect of the whole suede are further improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. a suede base layer; 2. a water-resistant coating; 3. and (3) PVC coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution: an adhesive-free PVC suede comprises a suede base layer 1, a waterproof coating layer 2 and a PVC coating layer 3, wherein the waterproof coating layer 2 is fixedly arranged on one side of the suede base layer 1, and the PVC coating layer 3 is fixedly arranged on one side, far away from the waterproof coating layer 2, of the suede base layer 1;
the waterproof coating 2 comprises the following raw materials in parts by weight: 95 parts of waterproof resin, 35 parts of a fluxing agent, 85 parts of an environment-friendly plasticizer, 50 parts of a filler, 3 parts of a stabilizer, 4 parts of a foaming agent, 0.7 part of a toner, 0.4 part of a wear-resistant agent and 0.6 part of a waterproof agent are added, so that the waterproof coating has a waterproof effect and a wear-resistant effect by adding 0.4 part of the wear-resistant agent and 0.6 part of the waterproof agent, and the waterproof effect and the wear-resistant effect of the suede base layer 1 are improved.
The fluxing agent is one of dimethyl formyl and butanone, the environment-friendly plasticizer is one of dibutyl phthalate and diethyl phthalate, the filler is calcium carbonate, the stabilizer is a potassium-zinc stabilizer, the foaming agent is azodicarbonamide, the wear-resisting agent is organic silicone oil, and the waterproof agent is hexacarbon octafluoro.
The suede nap base layer 1 is PTT sea-island fiber fabric with the surface density of 125-2Compared with the suede nap base layer 1 made of terylene or nylon fibers, the suede nap base layer 1 made of PTT sea-island fiber fabric has better elasticity.
The PVC coating 3 comprises the following raw materials in parts by weight: 95 parts of PVC, 38 parts of fluxing agent, 90 parts of environment-friendly plasticizer, 48 parts of filler, 3 parts of stabilizer, 5 parts of foaming agent and 0.8 part of toner.
The thickness of the suede base layer 1 is 4.1-7.9mm, the thickness of the waterproof coating layer 2 is 0.4-0.7mm, and the thickness of the PVC coating layer 3 is 0.3-0.5 mm.
A preparation method of adhesive-free PVC suede comprises the following steps:
s1, adding waterproof resin, a fluxing agent and an environment-friendly plasticizer into a group of containers in proportion, stirring for 30-40S, then adding a filler, a stabilizer, a foaming agent and toner into the containers in proportion, stirring for 30-40S, finally adding a wear-resistant agent and a waterproof agent into the containers in proportion, and uniformly stirring to obtain waterproof slurry;
s2, adding PVC, a fluxing agent, an environment-friendly plasticizer, a filler, a stabilizer, a foaming agent and toner into another group of containers in proportion, and uniformly stirring to obtain PVC slurry;
s3, uniformly coating the waterproof slurry on one side of the suede base layer, and drying and shaping the coated suede base layer by a drying and shaping machine to prepare a waterproof suede composite layered material;
s4, uniformly coating the PVC slurry on the other side of the suede nap base layer, and drying and shaping the coated suede nap base layer by a drying and shaping machine to prepare a waterproof/PVC suede composite layered material;
s5, placing the waterproof/PVC chamois composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed waterproof/PVC chamois composite laminated material;
and S6, cooling the foamed waterproof/PVC chamois composite laminated material to room temperature by using an air cooler, and then trimming, cutting and sanding to obtain the adhesive-free waterproof/PVC chamois flannel.
In steps S3 and S4, the baking operation is to bake for 90-150S at 150-160 ℃.
In steps S3 and S4, the waterproof slurry coated on one side of the suede base layer and the PVC slurry on the other side both penetrate into the suede base layer, so that the suede base layer, the waterproof coating and the PVC coating are compounded into a whole.
In step S5, the temperature in the foaming furnace is 160-215 ℃.
Example 2
Referring to fig. 1, the present invention provides a technical solution: an adhesive-free PVC suede comprises a suede base layer 1, a waterproof coating layer 2 and a PVC coating layer 3, wherein the waterproof coating layer 2 is fixedly arranged on one side of the suede base layer 1, and the PVC coating layer 3 is fixedly arranged on one side, far away from the waterproof coating layer 2, of the suede base layer 1;
the waterproof coating 2 comprises the following raw materials in parts by weight: 100 parts of waterproof resin, 38 parts of a fluxing agent, 90 parts of an environment-friendly plasticizer, 55 parts of a filler, 4 parts of a stabilizer, 6 parts of a foaming agent, 0.9 part of a toner, 0.5 part of a wear-resistant agent and 0.7 part of a waterproof agent are added, wherein the waterproof effect and the wear-resistant effect of the waterproof coating are further improved by adding 0.5 part of the wear-resistant agent and 0.7 part of the waterproof agent, so that the waterproof effect and the wear-resistant effect of the suede base layer 1 are further improved.
The fluxing agent is one of dimethyl formyl and butanone, the environment-friendly plasticizer is one of dibutyl phthalate and diethyl phthalate, the filler is calcium carbonate, the stabilizer is a potassium-zinc stabilizer, the foaming agent is azodicarbonamide, the wear-resisting agent is organic silicone oil, and the waterproof agent is hexacarbon octafluoro.
The suede nap base layer 1 is PTT sea-island fiber fabric with the surface density of 125-2Compared with the suede nap base layer 1 made of terylene or nylon fibers, the suede nap base layer 1 made of PTT sea-island fiber fabric has better elasticity.
The PVC coating 3 comprises the following raw materials in parts by weight: 95 parts of PVC, 38 parts of fluxing agent, 90 parts of environment-friendly plasticizer, 48 parts of filler, 3 parts of stabilizer, 5 parts of foaming agent and 0.8 part of toner.
The thickness of the suede base layer 1 is 4.1-7.9mm, the thickness of the waterproof coating layer 2 is 0.4-0.7mm, and the thickness of the PVC coating layer 3 is 0.3-0.5 mm.
A preparation method of adhesive-free PVC suede comprises the following steps:
s1, adding waterproof resin, a fluxing agent and an environment-friendly plasticizer into a group of containers in proportion, stirring for 30-40S, then adding a filler, a stabilizer, a foaming agent and toner into the containers in proportion, stirring for 30-40S, finally adding a wear-resistant agent and a waterproof agent into the containers in proportion, and uniformly stirring to obtain waterproof slurry;
s2, adding PVC, a fluxing agent, an environment-friendly plasticizer, a filler, a stabilizer, a foaming agent and toner into another group of containers in proportion, and uniformly stirring to obtain PVC slurry;
s3, uniformly coating the waterproof slurry on one side of the suede base layer, and drying and shaping the coated suede base layer by a drying and shaping machine to prepare a waterproof suede composite layered material;
s4, uniformly coating the PVC slurry on the other side of the suede nap base layer, and drying and shaping the coated suede nap base layer by a drying and shaping machine to prepare a waterproof/PVC suede composite layered material;
s5, placing the waterproof/PVC chamois composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed waterproof/PVC chamois composite laminated material;
and S6, cooling the foamed waterproof/PVC chamois composite laminated material to room temperature by using an air cooler, and then trimming, cutting and sanding to obtain the adhesive-free waterproof/PVC chamois flannel.
In steps S3 and S4, the baking operation is to bake for 90-150S at 150-160 ℃.
In steps S3 and S4, the waterproof slurry coated on one side of the suede base layer and the PVC slurry on the other side both penetrate into the suede base layer, so that the suede base layer, the waterproof coating and the PVC coating are compounded into a whole.
In step S5, the temperature in the foaming furnace is 160-215 ℃.
In summary, the adhesive-free waterproof/PVC suede prepared by the present invention has better elasticity and elasticity than the suede base layer 1 made of terylene or nylon fiber through the suede base layer 1 made of PTT sea-island fiber fabric, and the waterproof coating 2 and the PVC coating 3 coat both sides of the suede base layer 1, respectively, wherein the waterproof coating 2 is added with the wear-resistant agent and the waterproof agent to make the waterproof coating have better waterproof effect and wear-resistant effect, so as to enhance the waterproof effect and wear-resistant effect of the suede base layer 1, and further enhance the waterproof effect and wear-resistant effect of the whole suede.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. An adhesive-free PVC suede comprises a suede base layer (1), a waterproof coating (2) and a PVC coating (3), and is characterized in that the waterproof coating (2) is fixedly arranged on one side of the suede base layer (1), and the PVC coating (3) is fixedly arranged on one side, far away from the waterproof coating (2), of the suede base layer (1);
the waterproof coating (2) comprises the following raw materials in parts by weight: 90-105 parts of waterproof resin, 30-40 parts of fluxing agent, 80-100 parts of environment-friendly plasticizer, 45-65 parts of filler, 2-5 parts of stabilizer, 3-7 parts of foaming agent, 0.5-1 part of toner, 0.3-0.8 part of wear-resistant agent and 0.5-0.8 part of waterproof agent.
2. The adhesive-free PVC suede according to claim 1, wherein: the waterproof coating (2) comprises the following raw materials in parts by weight: 95 parts of waterproof resin, 35 parts of fluxing agent, 85 parts of environment-friendly plasticizer, 50 parts of filler, 3 parts of stabilizer, 4 parts of foaming agent, 0.7 part of toner, 0.4 part of wear-resistant agent and 0.6 part of waterproof agent.
3. The adhesive-free PVC suede according to claim 1, wherein: the waterproof coating (2) comprises the following raw materials in parts by weight: 100 parts of waterproof resin, 38 parts of fluxing agent, 90 parts of environment-friendly plasticizer, 55 parts of filler, 4 parts of stabilizer, 6 parts of foaming agent, 0.9 part of toner, 0.5 part of wear-resistant agent and 0.7 part of waterproof agent.
4. The adhesive-free PVC suede according to claim 1, wherein: the environment-friendly anti-corrosion coating comprises a base material, a fluxing agent, an environment-friendly plasticizer, a filler, a foaming agent and a water repellent agent, wherein the fluxing agent is one of dimethyl formyl and butanone, the environment-friendly plasticizer is one of dibutyl phthalate and diethyl phthalate, the filler is calcium carbonate, the stabilizer is a potassium zinc stabilizer, the foaming agent is azodicarbonamide, the wear-resistant agent is organic silicone oil, and the water repellent agent is hexacarbon octafluoro carbon.
5. The adhesive-free PVC suede according to claim 1, wherein: the suede nap base layer (1) is PTT sea-island fiber fabric with the surface density of 125-155g/m2。
6. The adhesive-free PVC suede according to claim 1, wherein: the PVC coating (3) comprises the following raw materials in parts by weight: 95 parts of PVC, 38 parts of fluxing agent, 90 parts of environment-friendly plasticizer, 48 parts of filler, 3 parts of stabilizer, 5 parts of foaming agent and 0.8 part of toner.
7. The adhesive-free PVC suede according to claim 1, wherein: the thickness of chamois leather fine hair basic unit (1) is 4.1-7.9mm, the thickness of waterproof coating (2) is 0.4-0.7mm, the thickness of PVC coating (3) is 0.3-0.5 mm.
8. A preparation method of PVC chamois flannel without adhesive is characterized by comprising the following steps:
s1, adding waterproof resin, a fluxing agent and an environment-friendly plasticizer into a group of containers in proportion, stirring for 30-40S, then adding a filler, a stabilizer, a foaming agent and toner into the containers in proportion, stirring for 30-40S, finally adding a wear-resistant agent and a waterproof agent into the containers in proportion, and uniformly stirring to obtain waterproof slurry;
s2, adding PVC, a fluxing agent, an environment-friendly plasticizer, a filler, a stabilizer, a foaming agent and toner into another group of containers in proportion, and uniformly stirring to obtain PVC slurry;
s3, uniformly coating the waterproof slurry on one side of the suede base layer, and drying and shaping the coated suede base layer by a drying and shaping machine to prepare a waterproof suede composite layered material;
s4, uniformly coating the PVC slurry on the other side of the suede nap base layer, and drying and shaping the coated suede nap base layer by a drying and shaping machine to prepare a waterproof/PVC suede composite layered material;
s5, placing the waterproof/PVC chamois composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed waterproof/PVC chamois composite laminated material;
and S6, cooling the foamed waterproof/PVC chamois composite laminated material to room temperature by using an air cooler, and then trimming, cutting and sanding to obtain the adhesive-free waterproof/PVC chamois flannel.
9. The method of preparing an adhesive-free PVC suede according to claim 8, wherein: in steps S3 and S4, the drying operation is to bake for 90-150S at 150-160 ℃.
10. The method of preparing an adhesive-free PVC suede according to claim 8, wherein: in steps S3 and S4, the waterproof slurry coated on one side of the suede base layer and the PVC slurry on the other side both penetrate into the suede base layer, so that the suede base layer, the waterproof coating and the PVC coating are compounded into a whole.
11. The method of preparing an adhesive-free PVC suede according to claim 8, wherein: in step S5, the temperature in the foaming furnace is 160-215 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011425162.1A CN113152109A (en) | 2020-12-09 | 2020-12-09 | PVC suede nap without adhesive and preparation method thereof |
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| CN202011425162.1A CN113152109A (en) | 2020-12-09 | 2020-12-09 | PVC suede nap without adhesive and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433766A (en) * | 2011-10-10 | 2012-05-02 | 浙江梅盛实业股份有限公司 | Suede fabric pasting technology |
| CN106863973A (en) * | 2017-04-01 | 2017-06-20 | 佛山市远华塑料实业有限公司 | Compound Yoga mats of a kind of PU/PVC of binder free and preparation method thereof |
| CN111155326A (en) * | 2020-01-14 | 2020-05-15 | 广东远华新材料股份有限公司 | Suede composite PVC (polyvinyl chloride) pad and preparation method thereof |
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2020
- 2020-12-09 CN CN202011425162.1A patent/CN113152109A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433766A (en) * | 2011-10-10 | 2012-05-02 | 浙江梅盛实业股份有限公司 | Suede fabric pasting technology |
| CN106863973A (en) * | 2017-04-01 | 2017-06-20 | 佛山市远华塑料实业有限公司 | Compound Yoga mats of a kind of PU/PVC of binder free and preparation method thereof |
| CN111155326A (en) * | 2020-01-14 | 2020-05-15 | 广东远华新材料股份有限公司 | Suede composite PVC (polyvinyl chloride) pad and preparation method thereof |
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