CN115369658A - Compact polyvinyl chloride layer composition, foamed polyvinyl chloride layer composition, glue layer composition and artificial polyvinyl chloride leather - Google Patents
Compact polyvinyl chloride layer composition, foamed polyvinyl chloride layer composition, glue layer composition and artificial polyvinyl chloride leather Download PDFInfo
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- CN115369658A CN115369658A CN202110559342.7A CN202110559342A CN115369658A CN 115369658 A CN115369658 A CN 115369658A CN 202110559342 A CN202110559342 A CN 202110559342A CN 115369658 A CN115369658 A CN 115369658A
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- polyvinyl chloride
- layer composition
- molecular sieve
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- sieve adsorbent
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- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 170
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 170
- 239000000203 mixture Substances 0.000 title claims abstract description 101
- 239000003292 glue Substances 0.000 title claims abstract description 39
- 239000010985 leather Substances 0.000 title description 5
- 239000003463 adsorbent Substances 0.000 claims abstract description 60
- 239000002808 molecular sieve Substances 0.000 claims abstract description 59
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002649 leather substitute Substances 0.000 claims abstract description 48
- 239000011148 porous material Substances 0.000 claims abstract description 20
- 238000005187 foaming Methods 0.000 claims abstract description 17
- 239000004014 plasticizer Substances 0.000 claims description 34
- 239000011347 resin Substances 0.000 claims description 26
- 229920005989 resin Polymers 0.000 claims description 26
- 239000003381 stabilizer Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 17
- 229910021645 metal ion Inorganic materials 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 239000004088 foaming agent Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 abstract description 9
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 72
- 239000000463 material Substances 0.000 description 11
- 239000012855 volatile organic compound Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 239000003063 flame retardant Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 239000003973 paint Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000002002 slurry Substances 0.000 description 7
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 238000004049 embossing Methods 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000011265 semifinished product Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000009940 knitting Methods 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 125000005591 trimellitate group Chemical group 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 2
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 2
- 239000004005 microsphere Substances 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- 239000004597 plastic additive Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920002397 thermoplastic olefin Polymers 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000013027 odor testing Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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
- D06N3/0043—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
- D06N3/0047—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 incorporating air, i.e. froth
-
- 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
- D06N3/0043—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
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/148—Superabsorbing
-
- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polyvinyl chloride compact layer composition, a polyvinyl chloride foamed layer composition, a polyvinyl chloride glue layer composition for preparing artificial leather and the polyvinyl chloride artificial leather prepared from the same. The polyvinyl chloride artificial leather comprises a skin layer prepared from the polyvinyl chloride compact layer composition, a foaming layer prepared from the polyvinyl chloride foaming layer composition, a glue layer prepared from the polyvinyl chloride glue layer composition and a base cloth layer, wherein the polyvinyl chloride compact layer composition, the polyvinyl chloride foaming layer composition and the polyvinyl chloride glue layer composition all contain molecular sieve adsorbents, the pore size of each molecular sieve adsorbent is 0.4-1nm, and the silicon-aluminum ratio of each molecular sieve adsorbent is more than 30. According to the invention, the molecular sieve adsorbent with specific pore channel size and specific silicon-aluminum ratio is added into the skin layer, the foaming layer and the glue layer, so that the odor and VOC emission of the polyvinyl chloride artificial leather are effectively reduced, and an unexpected technical effect is achieved.
Description
Technical Field
The invention relates to a polyvinyl chloride compact layer composition, a polyvinyl chloride foamed layer composition, a polyvinyl chloride glue layer composition and a polyvinyl chloride artificial leather prepared from the same, wherein the polyvinyl chloride compact layer composition, the polyvinyl chloride foamed layer composition and the polyvinyl chloride glue layer composition all contain molecular sieve adsorbents.
Background
Leather is widely used as a surface finishing material in many fields such as automobiles and home furnishings, and leather is commonly used, such as genuine leather, polar artificial leather such as polyvinyl chloride (hereinafter, PVC) artificial leather, and non-polar artificial leather such as thermoplastic polyolefin elastomer (TPO) artificial leather.
In recent years, people are increasingly pursuing healthy life as the living standard of the society as a whole is improved. In addition to the concern about the air quality in the home and the air quality in the automobile, the air quality in the automobile is also receiving the attention of consumers, and the PVC artificial leather widely used for the automobile interior contains volatile organic compounds (hereinafter referred to as VOC) such as alcohols, acids, benzenes and the like in the raw material, so that the odor and the emission of VOC are particularly concerned by the host factories and the consumers. With the issuance and implementation of GB 27630 "air quality guideline in vehicle", the emission requirements of the host factory on the odor and VOC of the automotive interior material are getting tighter and tighter, however, the existing PVC artificial leather is difficult to meet the higher requirements of the host factory on the odor grade and VOC emission.
Therefore, it is desirable to provide a new technical solution to solve the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided are a PVC compact layer composition, a PVC foam layer composition, a PVC glue layer composition for preparing artificial leather, and PVC artificial leather prepared therefrom, which have low odor level and VOC emission.
In order to solve the technical problems, the invention can adopt the following technical scheme: a PVC dense layer composition for making artificial leather comprising a molecular sieve adsorbent having a pore size of 0.4-1nm, such as 0.4nm, 0.5nm, 0.6nm, 0.7nm, 0.8nm, 0.9nm, 1nm or a pore size in the range between any two of these values, preferably 0.5-0.8nm; the molecular sieve adsorbent has a silica to alumina ratio greater than 30, preferably greater than 300, more preferably greater than 800, more preferably from 800 to 1000.
In the present invention, the PVC dense layer composition further comprises a PVC resin, a plasticizer, a stabilizer, and a toner, and the PVC dense layer composition comprises 40-60 parts of the PVC resin, 40-60 parts of the plasticizer, 1-5 parts of the stabilizer, 1-5 parts of the toner, and 0.5-3 parts, for example, 0.5 parts, 0.7 parts, 0.9 parts, 1.0 parts, 1.2 parts, 1.4 parts, 1.6 parts, 1.7 parts, 1.8 parts, 2.0 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.8 parts, 3.0 parts, or a molecular sieve adsorbent ranging between any two of these values, based on 100 parts of the total weight of the PVC resin and the plasticizer.
In the present invention, one skilled in the art can select conventional PVC resin according to actual needs, for example, PVC emulsified powder sold in shanghai chlor-alkali, shanghai, china under the trade name of P440; for another example, U.S. Taiwan plastic, N.J., USA, sold under the trade name KVH PVC emulsion powder; for example, shenyang chemical industry, shenyang in China, sold under the trade name PSM-31.
In the present invention, one skilled in the art can select conventional plasticizers according to actual needs, can select phthalic plasticizers such as dialkyl phthalate, can select trimellitic plasticizers such as trialkyl trimellitate, and can select a combination of two or more plasticizers.
In the present invention, the ordinary stabilizers such as organic epoxy-based stabilizers, calcium zinc stabilizers, and combinations thereof can be selected by those skilled in the art according to actual needs, for example, calcium zinc stabilizer sold under the trade name MC 9656EP by boehler Luo He plastic additives (jiangsu) ltd, jiangsu, china.
In the present invention, the skilled person can choose to add or not add toner according to the actual needs, and if the toner needs to be added, the skilled person can choose the conventional toner according to the actual needs, which can be inorganic pigment, or organic pigment, such as iron red, titanium dioxide, iron yellow, chrome yellow, and cadmium red.
In the present invention, the componentThe sub-sieve adsorbent is zeolite and has a chemical composition general formula as follows: (M) 2/n O·Al 2 O 3 ·xSiO 2 ·pH 2 O, wherein M is a metal ion, n is the valence number of the metal ion, and x is SiO 2 P is the number of moles of water, also known as the silica to alumina ratio.
Of course, other additives such as antioxidant, ultraviolet absorbent, etc. can be added to the PVC dense layer composition as required.
In order to solve the technical problems, the invention can also adopt the following technical scheme: a PVC foam layer composition for the preparation of artificial leather comprising a molecular sieve adsorbent having a pore size of 0.4-1nm, such as 0.4nm, 0.5nm, 0.6nm, 0.7nm, 0.8nm, 0.9nm, 1nm or a pore size in the range between any two of these values, preferably 0.5-0.8nm; the molecular sieve adsorbent has a silica to alumina ratio greater than 30, preferably greater than 300, more preferably greater than 800, more preferably from 800 to 1000.
In the present invention, the PVC foamed layer composition further comprises a PVC resin, a plasticizer, a stabilizer, a foaming agent, a flame retardant and a toner, and the PVC dense layer composition comprises 40-60 parts of the PVC resin, 40-60 parts of the plasticizer, 1-5 parts of the stabilizer, 1-3 parts of the foaming agent, 3-5 parts of the flame retardant, 1-3 parts of the toner and 0.5-3 parts, for example, 0.5 part, 0.7 part, 0.9 part, 1.0 part, 1.2 parts, 1.4 parts, 1.6 parts, 1.7 parts, 1.8 parts, 2.0 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.8 parts, 3.0 parts, or a molecular sieve adsorbent within a range between any two of these values, based on 100 parts of the total weight of the PVC resin and the plasticizer.
In the present invention, one skilled in the art can select conventional PVC resin according to actual needs, for example, PVC emulsified powder sold in shanghai chlor-alkali, shanghai, china under the trade name of P440; for another example, U.S. Taiwan plastic, N.J., USA, sold under the trade name KVH PVC emulsion powder; for example, shenyang chemical industry, shenyang, china, sold under the trade name PSM-31 PVC emulsified powder.
In the present invention, the person skilled in the art can select conventional plasticizers according to actual needs, can select phthalic plasticizers, such as dialkyl phthalates, can select trimellitic plasticizers, such as trialkyl trimellitates, and can select a combination of two or more plasticizers.
In the present invention, the ordinary stabilizers such as organic epoxy-based stabilizers, calcium zinc stabilizers, and combinations thereof can be selected by those skilled in the art according to actual needs, for example, calcium zinc stabilizer sold under the trade name MC 9656EP by boehler Luo He plastic additives (jiangsu) ltd, jiangsu, china.
In the present invention, one skilled in the art can select a conventional foaming agent according to actual needs, select a physical foaming agent, such as a microsphere foaming agent sold under the trade name of microsphere Y-150D by Wenzhou Toufeng International trade company, zhejiang, china, and select a chemical foaming agent, such as azodicarbonamide, and select a combination of a plurality of foaming agents.
In the present invention, the skilled in the art can choose to add or not add flame retardant according to the actual needs, and if the flame retardant is needed to be added, the skilled in the art can choose conventional flame retardants according to the actual needs, such as aluminum hydroxide, magnesium hydroxide, antimony trioxide, halogen flame retardants, phosphorus flame retardants, and nitrogen flame retardants.
In the invention, the skilled person can choose to add or not add toner according to actual needs, and if the toner needs to be added, the skilled person can choose conventional toner according to actual needs, and the toner can be inorganic pigment or organic pigment, such as iron red, titanium dioxide, iron yellow, chrome yellow and cadmium red.
In the invention, the molecular sieve adsorbent is zeolite, and the chemical composition general formula of the molecular sieve adsorbent is as follows: (M) 2/n O·Al 2 O 3 ·xSiO 2 ·pH 2 O, wherein M is a metal ion, n is the valence number of the metal ion, and x is SiO 2 P is the number of moles of water, also known as the silica to alumina ratio.
In order to solve the technical problems, the invention can also adopt the following technical scheme: a PVC glue layer composition for the production of artificial leather comprising a molecular sieve adsorbent having a pore size of 0.4-1nm, such as 0.4nm, 0.5nm, 0.6nm, 0.7nm, 0.8nm, 0.9nm, 1nm or a pore size in the range between any two of these values, preferably 0.5-0.8nm; the molecular sieve adsorbent has a silica to alumina ratio greater than 30, preferably greater than 300, more preferably greater than 800, and more preferably from 800 to 1000.
In the present invention, the PVC glue layer composition further comprises a PVC resin, a plasticizer and a stabilizer, and the PVC glue layer composition comprises 40-60 parts of the PVC resin, 40-60 parts of the plasticizer, 1-5 parts of the stabilizer and 0.5-3 parts, for example, 0.5 part, 0.7 part, 0.9 part, 1.0 part, 1.2 parts, 1.4 parts, 1.6 parts, 1.7 parts, 1.8 parts, 2.0 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.8 parts, 3.0 parts, or a molecular sieve adsorbent within a range between any two of these values, based on 100 parts of the total weight of the PVC resin and the plasticizer.
In the present invention, one skilled in the art can select conventional PVC resin according to actual needs, for example, PVC emulsified powder sold in shanghai chlor-alkali, shanghai, china under the trade name of P440; for another example, U.S. Taiwan plastic, N.J., sold under the trade name KVH PVC emulsion powder; for example, shenyang chemical industry, shenyang, china, sold under the trade name PSM-31 PVC emulsified powder.
In the present invention, one skilled in the art can select conventional plasticizers according to actual needs, can select phthalic plasticizers such as dialkyl phthalate, can select trimellitic plasticizers such as trialkyl trimellitate, and can select a combination of two or more plasticizers.
In the present invention, the ordinary stabilizer such as organic epoxy stabilizer, calcium zinc stabilizer, and the combination of the two, such as calcium zinc stabilizer sold under the name of MC 9656EP by the Baier Luo He plastics additives (Jiangsu) Co., ltd., jiangsu, china, jiangsu, can be selected by those skilled in the art according to actual needs.
In the invention, the molecular sieve adsorbent is zeolite, and the chemical composition general formula is as follows: (M) 2/n O·Al 2 O 3 ·xSiO 2 ·pH 2 O, wherein M is a metal ion, n is the valence number of the metal ion, and x is SiO 2 P is the mole of water, also known as the silica to alumina ratio.
In order to solve the technical problems, the invention can also adopt the following technical scheme: the PVC artificial leather comprises a surface layer prepared from the PVC compact layer composition, and/or a foaming layer prepared from the PVC foaming layer composition, and/or a glue layer prepared from the PVC glue layer composition.
In the present invention, it is well known to those skilled in the art that the slurry viscosity of the PVC compact layer composition at the time of mixing needs to be controlled generally in the range of 3000 to 30000mpa.s, and the slurry viscosity of the PVC glue layer composition at the time of mixing needs to be controlled generally in the range of 4000 to 15000mpa.s. It is well known to those skilled in the art to control the slurry viscosity of the PVC compact layer composition and the PVC glue layer composition mainly by selecting PVC resins of different viscosities and adjusting the ratio of the PVC resin and the plasticizer.
In the present invention, it is also well known to those skilled in the art that the PVC resin in the PVC compact layer composition, the PVC resin in the PVC foamed layer and the PVC resin in the PVC glue layer composition may be the same or different; the plasticizer in the PVC compact layer composition, the plasticizer in the PVC foaming layer composition and the plasticizer in the PVC glue layer composition can be the same or different; the stabilizer in the PVC compact layer composition, the stabilizer in the PVC foaming layer composition and the stabilizer in the PVC glue layer composition can be the same or different; the toner in the PVC compact layer composition and the toner in the PVC foaming layer can be the same or different.
In the present invention, the PVC artificial leather further comprises a paint layer on the surface of the skin layer, and those skilled in the art can select a conventional paint layer, preferably an aqueous polyurethane paint, as desired.
In the invention, the PVC artificial leather further comprises a base cloth layer positioned below the glue layer, wherein the base cloth layer can be polyester weft knitting fabric, of course, the material of the base cloth layer can also be nylon, the style can also be selected from warp knitting or non-woven fabric, and the knitting mode can also be selected from weaving.
Compared with the prior art, the invention has the following beneficial effects: the applicant discovers unexpectedly through a large amount of experiments and researches that the odor grade and VOC emission of PVC artificial leather prepared by the molecular sieve adsorbent with characteristic pore canal size (0.4-1 nm) and specific silicon-aluminum ratio (more than 30) can be effectively reduced by adding the molecular sieve adsorbent into a PVC compact layer composition, a PVC foaming layer composition and a PVC glue layer composition, so that the requirements of people on the odor grade and the higher emission of VCO (voltage controlled oscillator) are met, the pleasure degree of users is effectively improved, the health of the users is ensured, and unexpected technical effects are achieved.
Detailed Description
The invention is further illustrated by the following examples and comparative examples.
Example 1
The present embodiment is a preparation of PVC artificial leather, and the preparation method of PVC artificial leather adopted in the present embodiment is a method conventional in the art, and it is clear to those skilled in the art how to select specific equipment, process steps and conditions, and therefore, the following description of the preparation process only refers to the key steps and conditions of one of the preparation methods.
Step one, mixing materials
The skin layer formulation components given in tables 1-1 and 2 were placed in a mixing bowl according to the skin layer formulations given in tables 1-1 and 2, followed by mechanical stirring and evacuation until uniform mixing was achieved. This gives a PVC paste for the skin layer.
The foam layer formulations given in tables 1-1 and 2 were placed in a compounding tank according to the foam layer formulations given in tables 1-1 and 2, followed by mechanical stirring and evacuation until uniform mixing was achieved. This gave a PVC paste for the foamed layer.
The components of the glue layer formulations given in tables 1-1 and 2 were placed in a mixing tank according to the glue layer formulations given in tables 1-1 and 2, followed by mechanical stirring and vacuum pumping until uniform mixing was achieved. This gave a PVC paste for the glue layer.
Step two, coating and base cloth compounding
The indirect coating method is adopted, the PVC slurry of the surface layer is coated on the release paper and sent into a first section drying oven for plasticizing and shaping. And then coating the PVC slurry of the foaming layer on the plasticized and shaped skin layer, and continuously feeding the PVC slurry into a second section of drying oven for plasticizing and shaping. And then, rolling PVC slurry of a glue layer on the plasticized and shaped foaming layer, compounding polyester weft-knitted fabric, and sending the mixture into a third-section drying oven for final shaping to obtain the PVC artificial leather coating material. And (4) after the PVC artificial leather coating material is taken out of the oven, separating the PVC artificial leather coating material from release paper, and respectively rolling. The rolled PVC artificial leather coating material is sent to the printing stage.
Step three, printing
In the printing stage, after the rolled PVC artificial leather coating material is unreeled, the water-based polyurethane paint is printed on the surface layer of the PVC artificial leather coating material. After the waterborne polyurethane paint is printed by a printer, the printed waterborne polyurethane paint is sent into an oven for drying, and then is cooled and rolled to obtain a rolled PVC artificial leather printing semi-finished product. The printed semi-finished product of the PVC artificial leather is sent to an embossing stage.
Step four, embossing
And in the embossing stage, unreeling the rolled printing semi-finished product of the PVC artificial leather. After the surface of the printing semi-finished product of the PVC artificial leather is softened by heating, embossing patterns on the surface of the embossing roller are endowed on the surface of the PVC artificial leather by pressure. And cooling to obtain the PVC artificial leather with patterns on the surface.
Examples 2 to 8
Examples 2 to 8 were also the same as those of example 1 in the preparation of PVC artificial leather, and the preparation process of PVC artificial leather, the selection of the raw material for the paint layer and the base fabric layer were the same as those of example 1, except for the differences shown in tables 1 to 1, 1 to 2 and 2.
Comparative examples 1 to 3
Comparative examples 1 to 3 were also for the preparation of PVC artificial leather, and the preparation process of PVC artificial leather, the raw material of paint layer, and the selection of base fabric layer were exactly the same as in example 1, except for the differences shown in tables 1 to 1, 1 to 3, and 2.
TABLE 1-1
Tables 1 to 2
Tables 1 to 3
TABLE 2
| Size of pore canal | Silicon to aluminum ratio | |
| Molecular sieve adsorbent 1 | 0.5nm | 931 |
| Molecular sieve adsorbent 2 | 0.8nm | 931 |
| Molecular sieve adsorbent 3 | 0.8nm | 800 |
| Molecular sieve adsorbent 4 | 0.5nm | 37 |
| Molecular sieve adsorbent 5 | 0.8nm | 37 |
| Molecular sieve adsorbent 6 | 0.5nm | 300 |
| Molecular sieve adsorbent 7 | 0.3nm | 800 |
| Molecular sieve adsorbent 8 | 1.2nm | 800 |
Odor grade and VOC test of PVC artificial leather:
the odor grade of the PVC artificial leather prepared in examples 1 to 8 and comparative examples 1 to 3 was measured according to the popular car odor test method PV 3900 C3, and the test results are shown in table 3.
The odor characteristics of the material are classified according to standard regulations:
grade 1, no odor;
grade 2, odorous, but non-interfering odor;
grade 3, obvious smell, but no interfering smell;
grade 4, with interfering odor;
grade 5, strong interfering smell;
grade 6, intolerable odor.
The TVOC of the PVC artificial leather prepared in examples 1-8 and comparative examples 1-3 was tested according to the general automobile Total Volatile Organic Compounds (TVOC) test method 2000L bag method, and the test results are shown in table 3.
TABLE 3
As can be seen from the above examples, comparative examples and test results, the pore size and the silicon-aluminum ratio of the molecular sieve adsorbent affect the odor grade and VOC emission of PVC artificial leather together. When the molecular sieve adsorbent with pore size of 0.4-1nm and silicon-aluminum ratio of more than 30 is added into the polyvinyl chloride compact layer composition, the polyvinyl chloride foaming layer composition and the polyvinyl chloride glue layer composition, the prepared PVC artificial leather has lower odor grade and VOC emission; within the range, when the silica-alumina ratio of the molecular sieve adsorbent is determined, the larger the pore size of the molecular sieve adsorbent is, the better the adsorption effect of the molecular sieve adsorbent is; within the above range, when the pore size of the molecular sieve adsorbent is determined, the larger the silica-alumina ratio of the molecular sieve adsorbent is, the better the adsorption effect of the molecular sieve adsorbent is, but when the silica-alumina ratio of the molecular sieve adsorbent is greater than 800, the change of the silica-alumina ratio has no significant influence on the adsorption effect of the molecular sieve adsorbent, and the larger the silica-alumina ratio is, the more complicated the processing process of the molecular sieve adsorbent is, and the higher the cost is.
It will be appreciated that the above-described embodiments of the invention may be combined with each other to obtain further embodiments, without conflict. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention.
The above embodiments are merely preferred embodiments of the present invention, and not all embodiments are possible. It will be appreciated that those skilled in the art can make many reasonable variations to the present invention without departing from the true spirit and scope of the invention, which should be construed as broadly as the present invention.
Claims (19)
1. A polyvinyl chloride compact layer composition for preparing artificial leather, characterized in that: the polyvinyl chloride dense layer composition comprises a molecular sieve adsorbent, wherein the pore size of the molecular sieve adsorbent is 0.4-1nm, and the silica-alumina ratio of the molecular sieve adsorbent is more than 30.
2. The polyvinyl chloride densified layer composition of claim 1, wherein: the molecular sieve adsorbent has a chemical composition general formula as follows: (M) 2/n O·Al 2 O 3 ·xSiO 2 ·pH 2 O, wherein M is a metal ion, n is the valence number of the metal ion, and x is SiO 2 P is the number of moles of water.
3. The polyvinyl chloride densified layer composition of claim 1, wherein: the pore size of the molecular sieve adsorbent is 0.5-0.8nm.
4. The polyvinyl chloride densified layer composition of claim 1, wherein: the molecular sieve adsorbent has a silica to alumina ratio greater than 300, preferably greater than 800, more preferably from 800 to 1000.
5. The polyvinyl chloride densified layer composition of any one of claims 1-4, wherein: the polyvinyl chloride compact layer composition comprises polyvinyl chloride resin and a plasticizer, and the polyvinyl chloride compact layer composition comprises 0.5-3 parts of the molecular sieve adsorbent, based on 100 parts of the total weight of the polyvinyl chloride resin and the plasticizer.
6. The polyvinyl chloride densified layer composition of claim 5, wherein: the polyvinyl chloride compact layer composition comprises 40-60 parts of the polyvinyl chloride resin, 40-60 parts of the plasticizer, 1-5 parts of the stabilizer and 1-5 parts of the toner.
7. A polyvinyl chloride foam layer composition for preparing artificial leather is characterized in that: the polyvinyl chloride foaming layer composition comprises a molecular sieve adsorbent, wherein the pore size of the molecular sieve adsorbent is 0.4-1nm, and the silica-alumina ratio of the molecular sieve adsorbent is more than 30.
8. The polyvinyl chloride foamed layer composition according to claim 7, wherein: the molecular sieve adsorbent has a chemical composition general formula as follows: (M) 2/n O·Al 2 O 3 ·xSiO 2 ·pH 2 O, wherein M is a metal ion, n is the valence number of the metal ion, and x is SiO 2 P is the number of moles of water.
9. The composition for polyvinyl chloride foaming layer as claimed in claim 7, wherein: the pore size of the molecular sieve adsorbent is 0.5-0.8nm.
10. The polyvinyl chloride foamed layer composition according to claim 7, wherein: the molecular sieve adsorbent has a silica to alumina ratio greater than 300, preferably greater than 800, more preferably from 800 to 1000.
11. The composition for polyvinyl chloride foaming layer as claimed in any one of claims 7 to 10, wherein: the polyvinyl chloride foamed layer composition comprises polyvinyl chloride resin and a plasticizer, and the polyvinyl chloride compact layer composition comprises 0.5-3 parts of the molecular sieve adsorbent, based on 100 parts of the total weight of the polyvinyl chloride resin and the plasticizer.
12. The polyvinyl chloride foamed layer composition according to claim 11, wherein: the polyvinyl chloride foaming layer composition comprises 40-60 parts of polyvinyl chloride resin, 40-60 parts of plasticizer, 1-5 parts of stabilizer, 1-3 parts of foaming agent and 1-3 parts of toner.
13. A polyvinyl chloride glue layer composition for preparing artificial leather is characterized in that: the polyvinyl chloride glue layer composition comprises a molecular sieve adsorbent, wherein the pore size of the molecular sieve adsorbent is 0.4-1nm, and the silica-alumina ratio of the molecular sieve adsorbent is more than 30.
14. The composition for a polyvinyl chloride glue layer of claim 13, wherein: the molecular sieve adsorbent has a chemical composition general formula as follows: (M) 2/n O·Al 2 O 3 ·xSiO 2 ·pH 2 O, wherein M is a metal ion, n is the valence number of the metal ion, and x is SiO 2 P is the number of moles of water.
15. The composition for a polyvinyl chloride glue layer of claim 13, wherein: the pore size of the molecular sieve adsorbent is 0.5-0.8nm.
16. The polyvinyl chloride glue layer composition as claimed in claim 13, wherein: the molecular sieve adsorbent has a silica to alumina ratio greater than 300, preferably greater than 800, more preferably from 800 to 1000.
17. A polyvinyl chloride glue layer composition as claimed in any one of claims 13 to 16, wherein: the polyvinyl chloride glue layer composition comprises polyvinyl chloride resin and a plasticizer, and the polyvinyl chloride glue layer composition comprises 0.5-3 parts of the molecular sieve adsorbent, based on 100 parts of the total weight of the polyvinyl chloride resin and the plasticizer.
18. The composition for a polyvinyl chloride glue layer of claim 17, wherein: the polyvinyl chloride glue layer composition comprises 40-60 parts of the polyvinyl chloride resin, 40-60 parts of the plasticizer and 1-5 parts of the stabilizer.
19. A polyvinyl chloride artificial leather is characterized in that: the polyvinyl chloride artificial leather comprises a skin layer prepared from the polyvinyl chloride compact layer composition according to any one of claims 1 to 6, and/or a foamed layer prepared from the polyvinyl chloride foamed layer composition according to any one of claims 7 to 12, and/or a glue layer prepared from the polyvinyl chloride glue layer according to any one of claims 13 to 18.
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| CN202110559342.7A CN115369658A (en) | 2021-05-21 | 2021-05-21 | Compact polyvinyl chloride layer composition, foamed polyvinyl chloride layer composition, glue layer composition and artificial polyvinyl chloride leather |
| EP22728435.3A EP4341481A1 (en) | 2021-05-21 | 2022-05-09 | Pvc dense layer composition, pvc foamed layer composition, pvc glue layer composition and pvc artificial leather |
| PCT/EP2022/062471 WO2022243084A1 (en) | 2021-05-21 | 2022-05-09 | Pvc dense layer composition, pvc foamed layer composition, pvc glue layer composition and pvc artificial leather |
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- 2021-05-21 CN CN202110559342.7A patent/CN115369658A/en active Pending
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2022
- 2022-05-09 WO PCT/EP2022/062471 patent/WO2022243084A1/en active Application Filing
- 2022-05-09 EP EP22728435.3A patent/EP4341481A1/en active Pending
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