CN113863018A - Wear-resistant PVC artificial leather and preparation method thereof - Google Patents
Wear-resistant PVC artificial leather and preparation method thereof Download PDFInfo
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- CN113863018A CN113863018A CN202111150313.1A CN202111150313A CN113863018A CN 113863018 A CN113863018 A CN 113863018A CN 202111150313 A CN202111150313 A CN 202111150313A CN 113863018 A CN113863018 A CN 113863018A
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- 238000002360 preparation method Methods 0.000 title description 7
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- 238000000576 coating method Methods 0.000 claims abstract description 62
- 239000010410 layer Substances 0.000 claims abstract description 60
- 238000005187 foaming Methods 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 21
- 239000004014 plasticizer Substances 0.000 claims abstract description 20
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
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- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000002335 surface treatment layer Substances 0.000 claims abstract description 11
- 230000002745 absorbent Effects 0.000 claims abstract description 4
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- 239000002002 slurry Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
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- 239000010408 film Substances 0.000 claims description 9
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- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
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- 238000004381 surface treatment Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 4
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- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical group OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
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- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007602 hot air drying Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- YEYCMBWKTZNPDH-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) benzoate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=CC=C1 YEYCMBWKTZNPDH-UHFFFAOYSA-N 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000004113 Sepiolite Substances 0.000 claims description 2
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical group [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- RWXOJQGSZWUIEJ-UHFFFAOYSA-K lanthanum(3+);octadecanoate Chemical compound [La+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O RWXOJQGSZWUIEJ-UHFFFAOYSA-K 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 2
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 150000008301 phosphite esters Chemical class 0.000 claims description 2
- 229910052624 sepiolite Inorganic materials 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- QOQNJVLFFRMJTQ-UHFFFAOYSA-N trioctyl phosphite Chemical compound CCCCCCCCOP(OCCCCCCCC)OCCCCCCCC QOQNJVLFFRMJTQ-UHFFFAOYSA-N 0.000 claims description 2
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 claims description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 2
- 239000008158 vegetable oil Substances 0.000 claims description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 239000010985 leather Substances 0.000 abstract description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 41
- 229920000915 polyvinyl chloride Polymers 0.000 description 40
- 239000000047 product Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000008199 coating composition Substances 0.000 description 3
- 238000004049 embossing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- D06N3/0056—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
-
- 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
- D06N3/0056—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
-
- 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
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- 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
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/045—Vinyl (co)polymers
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/105—Resistant to abrasion, scratch
Abstract
The invention provides wear-resistant PVC artificial leather, wherein a surface coating comprises 45-100 parts of plasticizer, 75-100 parts of PVC powder, 1-10 parts of stabilizer, 0.1-0.9 part of antioxidant, 0-0.8 part of ultraviolet absorbent and 0-30 parts of filler; the excellent performance index is achieved by optimizing the formula of the leather surface coating and setting the structures of the surface treatment layer, the surface coating, the foaming layer, the bonding layer and the base cloth.
Description
Technical Field
The invention relates to the technical field of modification preparation of polyvinyl chloride materials, in particular to wear-resistant PVC artificial leather and a preparation method of the wear-resistant PVC artificial leather.
Background
The industrial production of polyvinyl chloride (PVC) opens up a new raw material resource for artificial leather and promotes the development of artificial leather production. Although the air permeability and moisture permeability are not as good as natural leather, the leather has certain strength and wear resistance, and is particularly simple and convenient to produce, rich in raw materials, uniform in product quality, convenient to cut and use, light in weight, water-resistant and low in cost, so that the leather is widely used for manufacturing clothes, shoes, hats, bags, furniture, ornaments and various industrial accessories. With the development of plastic varieties and processing technologies, artificial leather forms a variety of series products.
In recent years, attention to automotive interior has been increased in addition to pursuit of appearance and performance of automobiles. Artificial leather is used as a large base material for interior trim, is used for making covering parts, and is widely applied to interior trim parts such as seats, steering wheels, ceilings and the like. The common PVC synthetic leather (artificial leather) has the phenomenon of abrasion verification after being used in an automobile for many years; particularly, the seat, the steering wheel and other parts which are frequently touched in daily life influence the overall use function after being seriously abraded. Therefore, the PVC leather has a larger space for improving the wear resistance. Therefore, the invention provides wear-resistant PVC artificial leather and a preparation method thereof.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide wear-resistant PVC artificial leather, wherein the surface coating comprises a plasticizer, PVC powder, a stabilizer, an antioxidant, an ultraviolet absorbent and a filler, and the formula of the leather surface coating is optimized, so that the wear-resistant PVC artificial leather has the remarkable advantage of high wear resistance under the condition that the product meets the requirements of common PVC synthetic leather.
In order to achieve the above object, the present invention provides a wear-resistant PVC artificial leather comprising a surface coating layer, the surface coating layer consisting of the following parts by weight: 45-100 parts of plasticizer, 75-100 parts of PVC powder, 1-10 parts of stabilizer, 0.1-0.9 part of antioxidant, 0-0.8 part of ultraviolet absorber and 0-30 parts of filler.
The plasticizer is selected from at least one of plasticizer 911, plasticizer 124, plasticizer DPHP, aliphatic dibasic acid esters and epoxy vegetable oil plasticizer;
the stabilizer is a calcium zinc stabilizer; the stabilizer is selected from at least one of calcium stearate, calcium castor oil, zinc stearate, barium stearate or lanthanum stearate;
the antioxidant is selected from one or more of phosphite ester, trioctyl phosphite ester and tridecyl phosphite ester;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxy benzophenone or 4-benzoyloxy-2, 2,6, 6-tetramethyl piperidine;
the filler is formed by mixing one or more of calcium carbonate, magnesium carbonate, ceramic powder, silicon dioxide, sepiolite, talcum powder, calcium sulfate and magnesium sulfate.
In order to achieve the above objects, the present invention also provides a method for preparing the wear-resistant PVC artificial leather, the method comprising the steps of:
s1 preparing release paper, namely preparing the release paper meeting the coating requirement so as to carry out the next procedure;
s2 surface coating, which comprises the following raw materials in parts by weight: 45-100 parts of plasticizer, 75-100 parts of PVC powder, 1-10 parts of stabilizer, 0.1-0.9 part of antioxidant, 0-0.8 part of ultraviolet absorber and 0-30 parts of filler are prepared into surface layer slurry, the surface layer slurry is coated on release paper by a coating machine to form a uniform thin layer, the thin layer is dried, the solvent is heated and volatilized, and a layer of thin film, namely a surface coating, is formed on the release paper;
s3 coating a foaming layer, namely, coating the prepared foaming layer slurry on the surface coating layer in the step S2 by a coating machine in a scraping way, drying and foaming, controlling the foaming multiplying power and the size of foam holes, reducing the occurrence probability of large foam holes and forming a new layer of film, namely a foaming layer;
s4 coating the adhesive layer, namely, coating the prepared adhesive layer slurry on the foaming layer in the step S3 by a coating machine in a scraping way to form a flat wet film;
s5, adhering the base fabric, namely adhering the low-elasticity base fabric and the adhesive material of the adhesive layer in the step S4 through a press roller of a laminating device, conveying the base fabric into an oven for curing, and stripping the base fabric from release paper to obtain a PVC base blank;
s6, surface treatment, namely, carrying out surface treatment on the PVC base blank processed in the step S5, coating the treating agent on the surface coating of the PVC base blank through a compression roller, and forming a layer of film through hot air drying to obtain the PVC artificial leather.
Further, the drying temperature of the oven in the step S5 is 125-135 DEG CThe time is 2.5min to 3.5min, and the drying degree is 70 percent to 80 percent; the coating weight of the surface treatment layer is 10-50 g/m2The coating weight of the surface coating is 200-400 g/m2The coating weight of the foaming layer is 100-350 g/m2The coating weight of the adhesive layer is 10 to 100g/m2。
Through the adjustment of the two points, the product has the remarkable advantage of high wear resistance under the condition of meeting the requirements of common PVC synthetic leather. Compared with the prior art, the invention has the following beneficial effects:
the wear-resistant PVC artificial leather prepared by the invention comprises a surface treatment layer, a surface coating, a foaming layer, an adhesion layer and a base fabric, and achieves excellent performance indexes through reasonable formula and structure setting. The chemical vibration abrasion consumption of normal products can only reach 4.9 Nx 1 thousands of times, and the grade is more than 4; the PVC synthetic leather with high wear resistance has the chemical vibration abrasion loss of 9.8 Nx 2 thousands times, and the rating is more than 4 grade.
Drawings
FIG. 1 is a schematic cross-sectional view of a wear-resistant PVC artificial leather of the present invention;
the labels in the figure are: 1-surface treatment layer, 2-surface coating layer, 3-foaming layer, 4-adhesion layer and 5-base cloth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, so that those skilled in the art can fully understand the technical contents of the present invention. It should be understood that the following examples are intended to further illustrate the present invention and should not be construed as limiting the scope of the present invention, and that certain insubstantial modifications and adaptations of the invention by those skilled in the art based on the foregoing description are intended to be covered by the present invention. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Fig. 1 shows a schematic structural diagram of the synthetic leather of the present invention, which includes a surface treatment layer 1, a surface coating layer 2, a foaming layer 3, an adhesive layer 4 and a base fabric 5. An adhesive layer 4 compounded on the base fabric layer 5, a foaming layer 3 compounded on the adhesive layer 4, a surface coating layer 2 coated on the foaming layer 3, and a surface treatment layer 1 coated on the surface coating layer 2. The surface coating layer 2, the foaming layer 3 and the adhesive layer 4 are made of PVC resin, the surface treatment layer 1 is made of polycarbonate type water-based polyurethane resin, and the base cloth 5 is made of terylene. The required performance index is achieved through reasonable formula and structure setting. The surface layer 2, the foamed layer 3 and the adhesive layer 4 can be prepared by conventional methods. The preparation method of the wear-resistant PVC artificial leather comprises the following steps:
s1 preparing release paper, namely preparing the release paper meeting the coating requirement so as to carry out the next procedure;
s2 surface coating, which comprises the following raw materials in parts by weight: 45-100 parts of plasticizer, 75-100 parts of PVC powder, 1-10 parts of stabilizer, 0.1-0.9 part of antioxidant, 0-0.8 part of ultraviolet absorber and 0-30 parts of filler are prepared into surface layer slurry, the surface layer slurry is coated on release paper by a coating machine to form a uniform thin layer, the thin layer is dried, the solvent is heated and volatilized, and a layer of thin film, namely a surface coating 2, is formed on the release paper;
s3 coating the foaming layer, namely, coating the prepared foaming layer slurry on the surface coating 2 of the step S2 by a coating machine in a scraping way, drying and foaming, controlling the foaming multiplying power and the size of foam holes, reducing the occurrence probability of large foam holes and forming a new layer of film, namely, the foaming layer 3;
s4 coating the adhesive layer, namely, coating the prepared adhesive layer slurry on the foaming layer in the step S3 by a coating machine in a scraping way to form a flat wet film;
s5, adhering the base fabric, namely adhering the low-elasticity base fabric and the adhesive material of the adhesive layer in the step S4 through a press roller of a laminating device, conveying the base fabric into an oven for curing, and stripping the base fabric from release paper to obtain a PVC base blank;
s6, surface treatment, namely, carrying out surface treatment on the PVC base blank processed in the step S5, coating the treating agent on the surface coating of the PVC base blank through a compression roller, and forming a layer of film through hot air drying to obtain the PVC artificial leather. The wear-resistant PVC artificial leather is subjected to performance detection, and the result is shown in Table 1.
Example 1:
the preparation method of the wear-resistant PVC artificial leather provided by the embodiment comprises the following steps: the PVC resin slurry of the top coat layer, the foaming layer, and the adhesive layer was coated on the release paper in this order using a coater. Wherein the surface coating formula is 50 parts of plasticizer; 90 parts of PVC powder; 3 parts of a stabilizer; 0.9 part of antioxidant; 0.5 part of ultraviolet absorber; and 5 parts of a filler. The coating weight of each layer was 45g/m of the surface-treated layer2Surface coating 300g/m2And a foam layer of 220g/m2And an adhesive layer of 90g/m2And then, attaching the base cloth layer to the adhesion layer surface to obtain the synthetic leather base blank. And then coating a surface treatment layer on the surface layer to obtain a synthetic leather semi-finished product, and finally carrying out embossing treatment to obtain a finished product.
Example 2:
the PVC resin slurry of the top coat layer, the foaming layer, and the adhesive layer was coated on the release paper in this order using a coater. Wherein the surface coating formula is 55 parts of plasticizer; 100 parts of PVC powder; 2 parts of a stabilizer; 0.5 part of antioxidant; 0.5 part of ultraviolet absorber; 10 parts of a filler. The coating weight of each layer was 50g/m of the surface-treated layer2270g/m of topcoat2And a foamed layer of 300g/m2And an adhesive layer of 85g/m2And then, attaching the base cloth layer to the adhesion layer surface to obtain the synthetic leather base blank. And then coating a surface treatment layer on the surface layer to obtain a synthetic leather semi-finished product, and finally carrying out embossing treatment to obtain a finished product.
Example 3:
the PVC resin slurry of the top coat layer, the foaming layer, and the adhesive layer was coated on the release paper in this order using a coater. Wherein the surface coating formula is 45 parts of plasticizer; 90 parts of PVC powder; 2.5 parts of a stabilizer; 0.6 part of antioxidant; 0.6 part of ultraviolet absorber; 3 parts of a filler. The coating weight of each layer was 40g/m of the surface-treated layer2Surface coating 330g/m2And a foamed layer of 250g/m2And an adhesive layer of 100g/m2And then, attaching the base cloth layer to the adhesion layer surface to obtain the synthetic leather base blank. Then coating a surface treatment layer on the surface layer to obtain a synthetic leather semi-finished product, and finally carrying out embossing treatment to obtain the synthetic leatherAnd (5) finishing.
The wear-resistant PVC artificial leather prepared according to the above method is subjected to performance test, and the results are shown in Table 1.
Table 1 wear-resistant PVC artificial leather performance testing table
Reference test standard: HES _ D6511; testing an instrument: the chemical vibration abrasion of the Gakushin abrasion tester is promoted from the previous 4.9 Nx 10000 returns to 9.8 Nx 20000 returns, and the rating is more than 4 grades.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The wear-resistant PVC artificial leather is characterized in that: the paint comprises a surface coating, wherein the surface coating comprises the following components in parts by weight: 45-100 parts of plasticizer, 75-100 parts of PVC powder, 1-10 parts of stabilizer, 0.1-0.9 part of antioxidant, 0-0.8 part of ultraviolet absorber and 0-30 parts of filler.
2. The wear-resistant PVC artificial leather according to claim 1, wherein: the plasticizer is selected from at least one of plasticizer 911, plasticizer 124, plasticizer DPHP, aliphatic dibasic acid esters and epoxy vegetable oil plasticizer.
3. The wear-resistant PVC artificial leather according to claim 1, wherein: the stabilizer is a calcium zinc stabilizer; the stabilizer is at least one of calcium stearate, calcium castor oil, zinc stearate, barium stearate or lanthanum stearate.
4. The wear-resistant PVC artificial leather according to claim 1, wherein: the antioxidant is selected from one or more of phosphite ester, trioctyl phosphite ester and tridecyl phosphite ester.
5. The wear-resistant PVC artificial leather according to claim 1, wherein: the ultraviolet absorbent is 2-hydroxy-4-n-octoxy benzophenone or 4-benzoyloxy-2, 2,6, 6-tetramethyl piperidine.
6. The wear-resistant PVC artificial leather according to claim 1, wherein: the filler is formed by mixing one or more of calcium carbonate, magnesium carbonate, ceramic powder, silicon dioxide, sepiolite, talcum powder, calcium sulfate and magnesium sulfate.
7. The method for preparing wear-resistant PVC artificial leather according to any one of claims 1 to 6, which is characterized by comprising the following steps:
s1 preparing release paper, namely preparing the release paper meeting the coating requirement so as to carry out the next procedure;
s2 surface coating, which comprises the following raw materials in parts by weight: 45-100 parts of plasticizer, 75-100 parts of PVC powder, 1-10 parts of stabilizer, 0.1-0.9 part of antioxidant, 0-0.8 part of ultraviolet absorber and 0-30 parts of filler are prepared into surface layer slurry, the surface layer slurry is coated on release paper by a coating machine in a scraping way to form a uniform thin layer, the drying is carried out, the solvent is heated and volatilized, and a layer of thin film is formed on the release paper;
s3 coating a foaming layer, namely coating the prepared foaming layer slurry on the surface coating layer in the step S2 by a coating machine in a scraping manner, drying and foaming, controlling the foaming multiplying power and the size of foam holes, reducing the occurrence probability of large foam holes and forming a new layer of film;
s4 coating the adhesive layer, namely, coating the prepared adhesive layer slurry on the foaming layer in the step S3 by a coating machine in a scraping way to form a flat wet film;
s5, adhering the base fabric, namely adhering the low-elasticity base fabric and the adhesive material of the adhesive layer in the step S4 through a press roller of a laminating device, conveying the base fabric into an oven for curing, and stripping the base fabric from release paper to obtain a PVC base blank;
s6, surface treatment, namely, carrying out surface treatment on the PVC base blank processed in the step S5, coating the treating agent on the surface coating of the PVC base blank through a compression roller, and forming a layer of film through hot air drying to obtain the PVC artificial leather.
8. The method for preparing wear-resistant PVC artificial leather according to claim 7, wherein the method comprises the following steps: and S5, drying the oven at 125-135 deg.C for 2.5-3.5 min to dry at 70-80%.
9. The method for preparing wear-resistant PVC artificial leather according to claim 7, wherein the method comprises the following steps: the coating weight of the surface treatment layer is 10-50 g/m2The coating weight of the surface coating is 200-400 g/m2。
10. The method for preparing wear-resistant PVC artificial leather according to claim 7, wherein the method comprises the following steps: the coating weight of the foaming layer is 100-350 g/m2The coating weight of the adhesive layer is 10 to 100g/m2。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506159A (en) * | 2022-09-29 | 2022-12-23 | 世联汽车内饰（苏州）有限公司 | Synthetic leather and preparation method thereof |
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| CN106702753A (en) * | 2016-12-30 | 2017-05-24 | 广西鑫深科技有限公司 | Wear-resistant leather and preparation method thereof |
| CN110373912A (en) * | 2019-07-23 | 2019-10-25 | 东风汽车集团有限公司 | A kind of PVC artificial leather and preparation method thereof, the automotive seat containing the PVC artificial leather |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106702753A (en) * | 2016-12-30 | 2017-05-24 | 广西鑫深科技有限公司 | Wear-resistant leather and preparation method thereof |
| CN110373912A (en) * | 2019-07-23 | 2019-10-25 | 东风汽车集团有限公司 | A kind of PVC artificial leather and preparation method thereof, the automotive seat containing the PVC artificial leather |
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| CN115506159A (en) * | 2022-09-29 | 2022-12-23 | 世联汽车内饰（苏州）有限公司 | Synthetic leather and preparation method thereof |
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Application publication date: 20211231 |