CN115073871A - Wear-resistant PVC plastic and preparation method thereof - Google Patents
Wear-resistant PVC plastic and preparation method thereof Download PDFInfo
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- CN115073871A CN115073871A CN202210835599.5A CN202210835599A CN115073871A CN 115073871 A CN115073871 A CN 115073871A CN 202210835599 A CN202210835599 A CN 202210835599A CN 115073871 A CN115073871 A CN 115073871A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 72
- 239000004033 plastic Substances 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims description 26
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 123
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 121
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 21
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 20
- 239000003381 stabilizer Substances 0.000 claims abstract description 20
- 239000002113 nanodiamond Substances 0.000 claims abstract description 15
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 47
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 40
- 239000000835 fiber Substances 0.000 claims description 32
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- 239000003999 initiator Substances 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 18
- 239000011812 mixed powder Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 244000198134 Agave sisalana Species 0.000 claims description 16
- 239000003995 emulsifying agent Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000007873 sieving Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 8
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 7
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 7
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 7
- 239000005642 Oleic acid Substances 0.000 claims description 7
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 7
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 7
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 7
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- GWOWVOYJLHSRJJ-UHFFFAOYSA-L cadmium stearate Chemical compound [Cd+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O GWOWVOYJLHSRJJ-UHFFFAOYSA-L 0.000 claims description 2
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- UMKARVFXJJITLN-UHFFFAOYSA-N lead;phosphorous acid Chemical compound [Pb].OP(O)O UMKARVFXJJITLN-UHFFFAOYSA-N 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 229940114930 potassium stearate Drugs 0.000 claims description 2
- 235000011151 potassium sulphates Nutrition 0.000 claims description 2
- ANBFRLKBEIFNQU-UHFFFAOYSA-M potassium;octadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCCCC([O-])=O ANBFRLKBEIFNQU-UHFFFAOYSA-M 0.000 claims description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 2
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 claims 1
- 238000004132 cross linking Methods 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- -1 silicate ions Chemical class 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 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 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/223—Packed additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
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Abstract
The invention discloses wear-resistant PVC plastic which is prepared from functional polyvinyl chloride master batches, a filler and a stabilizer, wherein methyl methacrylate, a cementing liquid, nano-diamond and a wear-resistant reinforcing agent are added into the functional polyvinyl chloride master batches, so that the crosslinking degree and compatibility of the PVC plastic are improved, and the wear resistance is enhanced. The PVC plastic disclosed by the invention is high in stability, free of pungent smell and harmless to a human body after long-term use.
Description
Technical Field
The invention belongs to the technical field of PVC (polyvinyl chloride) plastics, and particularly relates to a wear-resistant PVC plastic and a preparation method thereof.
Background
Polyvinyl chloride (PVC) does not refer to the polymer itself, but also includes blends based on PVC resins, with other components typically being stabilizers, plasticizers, fillers, and the like. Polyvinyl chloride (PVC), is a polymer obtained by polymerizing Vinyl Chloride Monomer (VCM) with initiators such as peroxides and azo compounds or under the action of light and heat according to a radical polymerization mechanism. Polyvinyl chloride has excellent physical and chemical properties, is the most popular plastic in world production and has very wide application.
Chinese patent CN 109762287A discloses a wear-resistant polyvinyl chloride plastic, which comprises the following raw material components: the invention discloses modified polyvinyl chloride, phenolic resin modified polyvinyl chloride, epoxy resin modified polyvinyl chloride and aluminum oxide modified polyvinyl chloride, which have better wear resistance.
Chinese patent CN 103937128B discloses a PVC plastic floor and a preparation method thereof, wherein the PVC plastic floor comprises the following raw materials in parts by weight: 100 parts of polyvinyl chloride resin, 20-30 parts of chlorinated polyethylene, 4-6 parts of tribasic lead sulfate, 2-4 parts of stearic acid, 0.6-1.4 parts of stearic acid, 80-120 parts of calcium carbonate, 1-2 parts of 3-aminopropyltrimethoxysilane and 1-3 parts of methyl silicone oil. The PVC plastic floor has good wear resistance, stain resistance and skid resistance, but the tribasic lead sulfate added in the PVC plastic floor is easy to absorb moisture, has poor stability and is toxic, and unsafe factors exist after long-term use.
Disclosure of Invention
A preparation method of wear-resistant PVC plastic comprises the following steps:
(1) putting 80-90 parts by mass of the functional polyvinyl chloride master batch and 18-25 parts by mass of a filler into a ball mill, ball-milling for 1-2 hours at a rotating speed of 200-300 rpm, and sieving with a 550-600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, 90-100 parts of mixed powder and 7-12 parts of stabilizer are placed in an internal mixer, and are internally mixed for 5-8 min at the temperature of 130-140 ℃ and the rotating speed of 40-50 rpm, so that a mixture A is obtained;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220-240 ℃ and the main machine rotating speed of 330-360 rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
The filler is at least one of carbon black, calcium carbonate, argil, barium sulfate and talcum powder; preferably, the filler is prepared from calcium carbonate and barium sulfate according to a mass ratio of (8-10): 1 mixing the resulting mixture.
The stabilizer is at least one of barium stearate, lead stearate, cadmium stearate and dibasic lead phosphite.
The preparation method of the functional polyvinyl chloride master batch comprises the following steps:
s1: adding 80-90 parts by mass of polyvinyl chloride master batch, 5-10 parts by mass of methyl methacrylate, 0.3-2 parts by mass of initiator, 7-10 parts by mass of emulsifier, 20-30 parts by mass of cementing liquid, 1-3 parts by mass of nano diamond and 50-80 parts by mass of water into a reaction kettle, reacting for 3-6 hours at 110-120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100-120 parts of the mixture I at 50-60 ℃ and at the rotating speed of 200-300 rpm, adding 1-3 mol/L dilute hydrochloric acid at the dropping speed of 0.3-0.5 mL/10s to adjust the pH value to 2.3-3.3, continuously reacting for 2-3 h, filtering, washing to be neutral, extruding and granulating to obtain the functional polyvinyl chloride master batch.
According to the invention, methyl methacrylate is grafted on PVC, so that the toughness and compatibility of PVC plastics are improved. The grafted PVC reacts with the cementing solution and the nano-diamond, the nano-diamond has higher surface activity and can fully contact with the cementing solution, the compatibility of the polyvinyl chloride master batch and the cementing solution is improved, after hydrochloric acid is dripped into the cementing solution to adjust the pH value, silicate ions in the cementing solution react with hydrogen ions to generate a cement, the grinding degree and the sorting property of the particle size of the cement are good, the cement is uniformly inserted into the structure of PVC plastics, the rigidity, the hardness and the wear resistance of the plastic products can be improved, the strength and the geometric stability of the plastic products are improved, in addition, the compatibility and the stability of the cement and the PVC plastics are enhanced due to the uniformly distributed nano-diamond in the cement, the hardness is high, and the strength, the toughness and the wear resistance of the polyvinyl chloride master batch can be effectively improved.
Preferably, the preparation method of the functional polyvinyl chloride master batch comprises the following steps:
s1: adding 80-90 parts by mass of polyvinyl chloride master batch, 5-10 parts by mass of methyl methacrylate, 0.3-2 parts by mass of initiator, 7-10 parts by mass of emulsifier, 20-30 parts by mass of cementing liquid, 5-7 parts by mass of wear-resistant reinforcing agent, 1-3 parts by mass of nano diamond and 50-80 parts by mass of water into a reaction kettle, reacting for 2-3 hours at 110-120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100-120 parts of the mixture I at 50-60 ℃ and at the rotating speed of 200-300 rpm, adding 1-3 mol/L dilute hydrochloric acid at the dropping speed of 0.3-0.5 mL/10s to adjust the pH to 2.3-3.3, continuously reacting for 3-6 h, filtering, washing with water to be neutral, and extruding and granulating to obtain the functional polyvinyl chloride master batch.
Furthermore, the wear-resistant reinforcing agent is added in the preparation of the functional polyvinyl chloride master batch, and the wear-resistant reinforcing agent consists of sisal fiber and diabase fiber. The sisal fibers are provided with gaps and holes with different degrees, the center of the sisal fibers is provided with a slender cavity, the cavity is connected with the gaps and holes on the surface, the specific surface area is large, and the sisal fibers and the PVC plastic matrix are crosslinked, so that the wear resistance of the PVC plastic is improved; the diabase fiber has the advantages of strong rigidity and good tensile property and dispersibility, and is interwoven into a net shape in the cementing process of the cementing solution, so that the crosslinking degree inside the PVC plastic is improved, and the wear resistance and the mechanical property of the PVC plastic are improved; meanwhile, under the action of an initiator, the sisal fibers can be grafted to the surface of the diabase fibers to form a multi-dimensional cross-linked network structure, and the interface compatibility and the cross-linking degree of the wear-resistant reinforcing agent and the PVC plastic are further enhanced under the synergistic effect, so that the wear resistance of the PVC plastic is improved.
The wear-resistant reinforcing agent is composed of diabase fibers and sisal fibers according to the mass ratio of 1 (3-5).
The initiator is one of potassium persulfate and a hydrogen peroxide diisopropylbenzene-ferrous sulfate compound.
The emulsifier is at least one of oleic acid, potassium stearate, disproportionated rosin potassium and sodium dodecyl sulfate.
The preparation process of the cementing liquid comprises the following steps: mixing quartz sandstone powder according to a material-liquid ratio of 1 g: (15-20) mL of the obtained product is added into 1-3 mol/L sodium hydroxide aqueous solution, stirred for 3-4 hours at the temperature of 30-40 ℃ and the rotating speed of 200-300 rpm, filtered, and filtrate is collected to obtain a cementing solution.
The invention has the beneficial effects that:
the invention discloses a wear-resistant PVC plastic which is prepared from functional polyvinyl chloride master batches, a filler and a stabilizer, wherein the functional polyvinyl chloride master batches are obtained by reacting polyvinyl chloride master batches, methyl methacrylate, a cementing liquid, nano diamond and a wear-resistant reinforcing agent, the wear-resistant reinforcing agent is prepared by simultaneously adopting diabase fiber and sisal fiber, and the diabase fiber and the sisal fiber are interwoven into a net shape in the cementing process of the cementing liquid, so that the crosslinking degree and compatibility of the PVC plastic are improved, and the wear resistance of the PVC plastic is enhanced; the PVC plastic has high stability, no pungent smell and no harm to human body after long-term use.
Detailed Description
Part of the raw materials are introduced as follows:
polyvinyl chloride master batch, brand: 46518, Dongguan gold plastic pigment technology Co.
Nano-diamond, particle size: 100nm, Zhongchang county, China super-hard abrasive grinding apparatus, Inc.
Quartz sandstone powder, particle size: 300 mesh, san bang mineral processing factory, Lingshou county.
Diabase fiber, prepared by the following method: washing diabase with water, air drying, pulverizing, sieving with 40 mesh sieve to obtain diabase powder, adding the diabase powder into rock wool production device, and melt-extruding at 500 deg.C to obtain diabase fiber with diameter of 6 μm and length of 3 mm. Wherein diabase, cargo number: 768, Lingshou county Congratulex mineral processing plant.
Sisal fiber, cat #: SFA01, south ning cheng shi cheng zhu.
Comparative example 1
A preparation method of wear-resistant PVC plastic comprises the following steps:
(1) putting 80 parts of polyvinyl chloride master batch and 20 parts of filler into a ball mill according to the parts by mass, carrying out ball milling for 1h at the rotating speed of 200rpm, and sieving by a 600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, 90 parts of mixed powder and 7 parts of stabilizer are placed in an internal mixer and internally mixed for 5min at the rotating speed of 40rpm at the temperature of 140 ℃ to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220 ℃ and the main machine rotating speed of 360rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
The filler is prepared from calcium carbonate and barium sulfate according to a mass ratio of 10: 1 mixing the resulting mixture.
The stabilizer is barium stearate.
Comparative example 2
A preparation method of wear-resistant PVC plastic comprises the following steps:
(1) putting 80 parts of functional polyvinyl chloride master batch and 20 parts of filler into a ball mill according to the parts by mass, ball-milling for 1h at the rotating speed of 200rpm, and sieving by a 600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, 90 parts of mixed powder and 7 parts of stabilizer are placed in an internal mixer and internally mixed for 5min at the temperature of 140 ℃ and the rotating speed of 40rpm to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220 ℃ and the main machine rotating speed of 360rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
The filler is calcium carbonate and barium sulfate according to a mass ratio of 10: 1.
The stabilizer is barium stearate.
The preparation method of the functional polyvinyl chloride master batch comprises the following steps:
s1: adding 90 parts by mass of polyvinyl chloride master batch, 10 parts by mass of methyl methacrylate, 1 part by mass of initiator, 8 parts by mass of emulsifier, 1 part by mass of nano-diamond and 80 parts by mass of water into a reaction kettle, reacting for 4 hours at 120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100 parts of the mixture I at 60 ℃ and 200rpm, adding 1mol/L dilute hydrochloric acid at a dropping speed of 0.5mL/10s to adjust the pH to 2.3, continuing to react for 2h, filtering, washing with water to be neutral, and extruding and granulating to obtain the functional polyvinyl chloride master batch.
The initiator is potassium persulfate.
The emulsifier is oleic acid.
Example 1
A preparation method of wear-resistant PVC plastic comprises the following steps:
(1) putting 80 parts of functional polyvinyl chloride master batch and 20 parts of filler into a ball mill according to the parts by mass, ball-milling for 1h at the rotating speed of 200rpm, and sieving by a 600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, 90 parts of mixed powder and 7 parts of stabilizer are placed in an internal mixer and internally mixed for 5min at the temperature of 140 ℃ and the rotating speed of 40rpm to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220 ℃ and the main machine rotating speed of 360rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
The filler is prepared from calcium carbonate and barium sulfate according to a mass ratio of 10: 1 mixing the resulting mixture.
The stabilizer is barium stearate.
The preparation method of the functional polyvinyl chloride master batch comprises the following steps:
s1: adding 90 parts by mass of polyvinyl chloride master batch, 10 parts by mass of methyl methacrylate, 1 part by mass of initiator, 8 parts by mass of emulsifier, 30 parts by mass of cementing liquid, 1 part by mass of nano-diamond and 80 parts by mass of water into a reaction kettle, reacting for 4 hours at 120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100 parts of the mixture I at 60 ℃ and 200rpm, adding 1mol/L dilute hydrochloric acid at a dropping speed of 0.5mL/10s to adjust the pH value to 2.3, continuously reacting for 2h, filtering, washing with water to be neutral, and extruding and granulating to obtain the functional polyvinyl chloride master batch.
The initiator is potassium persulfate.
The emulsifier is oleic acid.
The preparation process of the cementing liquid comprises the following steps: mixing quartz sandstone powder according to a material-liquid ratio of 1 g: adding 15mL of the mixture into 3mol/L sodium hydroxide aqueous solution, stirring for 3 hours at 40 ℃ and the rotating speed of 300rpm, filtering, and collecting filtrate to obtain the cementing solution.
Example 2
A preparation method of wear-resistant PVC plastic comprises the following steps:
(1) putting 80 parts of functional polyvinyl chloride master batch and 20 parts of filler into a ball mill according to the parts by mass, carrying out ball milling for 1h at the rotating speed of 200rpm, and sieving by a 600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, 90 parts of mixed powder and 7 parts of stabilizer are placed in an internal mixer and internally mixed for 5min at the temperature of 140 ℃ and the rotating speed of 40rpm to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220 ℃ and the main machine rotating speed of 360rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
The filler is prepared from calcium carbonate and barium sulfate according to a mass ratio of 10: 1 mixing the resulting mixture.
The stabilizer is barium stearate.
The preparation method of the functional polyvinyl chloride master batch comprises the following steps:
s1: according to the mass parts, adding 90 parts of polyvinyl chloride master batch, 10 parts of methyl methacrylate, 1 part of initiator, 8 parts of emulsifier, 30 parts of cementing liquid, 5 parts of wear-resisting reinforcing agent, 1 part of nano diamond and 80 parts of water into a reaction kettle, reacting for 4 hours at 120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100 parts of the mixture I at 60 ℃ and 200rpm, adding 1mol/L dilute hydrochloric acid at a dropping speed of 0.5mL/10s to adjust the pH value to 2.3, continuously reacting for 2h, filtering, washing with water to be neutral, and extruding and granulating to obtain the functional polyvinyl chloride master batch.
The initiator is potassium persulfate.
The emulsifier is oleic acid.
The preparation process of the cementing liquid comprises the following steps:
mixing quartz sandstone powder according to a material-liquid ratio of 1 g: adding 15mL of the mixture into 3mol/L sodium hydroxide aqueous solution, stirring for 3 hours at 40 ℃ and the rotating speed of 300rpm, filtering, and collecting filtrate to obtain the cementing solution.
The wear-resistant reinforcing agent is diabase fiber.
Example 3
A preparation method of wear-resistant PVC plastic comprises the following steps:
(1) putting 80 parts of functional polyvinyl chloride master batch and 20 parts of filler into a ball mill according to the parts by mass, ball-milling for 1h at the rotating speed of 200rpm, and sieving by a 600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, 90 parts of mixed powder and 7 parts of stabilizer are placed in an internal mixer and internally mixed for 5min at the temperature of 140 ℃ and the rotating speed of 40rpm to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220 ℃ and the main machine rotating speed of 360rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
The filler is prepared from calcium carbonate and barium sulfate according to a mass ratio of 10: 1 mixing the resulting mixture.
The stabilizer is barium stearate.
The preparation method of the functional polyvinyl chloride master batch comprises the following steps:
s1: according to the mass parts, adding 90 parts of polyvinyl chloride master batch, 10 parts of methyl methacrylate, 1 part of initiator, 8 parts of emulsifier, 30 parts of cementing liquid, 5 parts of wear-resisting reinforcing agent, 1 part of nano diamond and 80 parts of water into a reaction kettle, reacting for 4 hours at 120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100 parts of the mixture I at 60 ℃ and 200rpm, adding 1mol/L dilute hydrochloric acid at a dropping speed of 0.5mL/10s to adjust the pH value to 2.3, continuously reacting for 2h, filtering, washing with water to be neutral, and extruding and granulating to obtain the functional polyvinyl chloride master batch.
The initiator is potassium persulfate.
The emulsifier is oleic acid.
The preparation process of the cementing liquid comprises the following steps:
mixing quartz sandstone powder according to a material-liquid ratio of 1 g: adding 15mL of the mixture into 3mol/L sodium hydroxide aqueous solution, stirring for 3 hours at 40 ℃ and the rotating speed of 300rpm, filtering, and collecting filtrate to obtain the cementing solution.
The wear-resistant reinforcing agent is sisal fiber.
Example 4
A preparation method of wear-resistant PVC plastic comprises the following steps:
(1) putting 80 parts of functional polyvinyl chloride master batch and 20 parts of filler into a ball mill according to the parts by mass, carrying out ball milling for 1h at the rotating speed of 200rpm, and sieving by a 600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, 90 parts of mixed powder and 7 parts of stabilizer are placed in an internal mixer and internally mixed for 5min at the temperature of 140 ℃ and the rotating speed of 40rpm to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220 ℃ and the main machine rotating speed of 360rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
The filler is prepared from calcium carbonate and barium sulfate according to a mass ratio of 10: 1 mixing the resulting mixture.
The stabilizer is barium stearate.
The preparation method of the functional polyvinyl chloride master batch comprises the following steps:
s1: according to the mass parts, adding 90 parts of polyvinyl chloride master batch, 10 parts of methyl methacrylate, 1 part of initiator, 8 parts of emulsifier, 30 parts of cementing liquid, 5 parts of wear-resisting reinforcing agent, 1 part of nano diamond and 80 parts of water into a reaction kettle, reacting for 4 hours at 120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100 parts of the mixture I at 60 ℃ and 200rpm, adding 1mol/L dilute hydrochloric acid at a dropping speed of 0.5mL/10s to adjust the pH value to 2.3, continuously reacting for 2h, filtering, washing with water to be neutral, and extruding and granulating to obtain the functional polyvinyl chloride master batch.
The initiator is potassium persulfate.
The emulsifier is oleic acid.
The preparation process of the cementing liquid comprises the following steps: mixing quartz sandstone powder according to a material-liquid ratio of 1 g: adding 15mL of the mixture into 3mol/L sodium hydroxide aqueous solution, stirring for 3 hours at 40 ℃ and the rotating speed of 300rpm, filtering, and collecting filtrate to obtain the cementing solution.
The wear-resistant reinforcing agent consists of diabase fibers and sisal fibers according to the mass ratio of 1: 4.
Test example 1
And (3) testing the wear resistance: the abrasion meter JM-IV is adopted, and the Shanghai modern environmental engineering technology company Limited is adopted. The wear-resistant PVC plastic decorative surface with the diameter of 100mm and the thickness of 0.7mm is upwards installed on a wear testing machine, a grinding wheel is installed on a support and tested under the conditions of applying the rotating speed of 4.9N and 200r/h, the grinding wheel is replaced once per 100 revolutions of wear, the revolution when the grinding wheel is worn to the point where the plastic is damaged is recorded, the wear resistance test is repeated for 5 times, and the average wear revolution is calculated to indicate the wear resistance.
TABLE 1 abrasion resistance test of abrasion resistant PVC plastics
| Abrasion resistance/rotation | |
| Comparative example 1 | 7834 |
| Comparative example 2 | 8577 |
| Example 1 | 9834 |
| Example 2 | 10892 |
| Example 3 | 11033 |
| Example 4 | 11560 |
Compared with the comparative example 1, the polyvinyl chloride is grafted with the methyl methacrylate in the comparative example 2, so that the toughness and the compatibility of the PVC plastic are improved; the cementing liquid is added in the embodiment 1, the generated cementing material along with the reaction has high hardness and stable structure, and the wear resistance of the PVC plastic can be obviously improved; the diabase fiber is added as a wear-resistant reinforcing agent in the embodiment 2, so that the diabase fiber has good rigidity and tensile property, and the mechanical property of the composite material can be effectively improved; in the embodiment 4, the abrasion-resistant reinforcing agent is added, and diabase fiber and sisal fiber are simultaneously adopted as the abrasion-resistant reinforcing agent, wherein the sisal fiber has gaps and holes with different degrees, a slender cavity is arranged in the center, the cavity is connected with the gaps and holes on the surface, the specific surface area is large, and the sisal fiber and the PVC plastic matrix are crosslinked, so that the abrasion resistance of the PVC plastic is improved; the diabase fiber has the advantages of strong rigidity and good tensile property and dispersibility, and is interwoven into a net shape in the cementing process of the cementing solution, so that the crosslinking degree inside the PVC plastic is improved, and the wear resistance and the mechanical property of the PVC plastic are improved; meanwhile, under the action of an initiator, the sisal fibers can be grafted to the surface of the diabase fibers to form a multi-dimensional cross-linked network structure, and the interface compatibility and the cross-linking degree of the wear-resistant reinforcing agent and the PVC plastic are further enhanced under the synergistic effect, so that the wear resistance of the PVC plastic is improved.
Test example 2
And (3) testing physical properties:
and (3) testing tensile impact strength: with reference to GB/T13525-;
and (3) testing the bending strength: with reference to GB/T9341-2008 & ltdetermination of Plastic bending Property & gt, the wear-resistant PVC plastic is prepared into a sample with the length of 80mm, the width of 10mm and the thickness of 4mm, and the test speed is 5 mm/min.
TABLE 2 test of physical Properties of abrasion-resistant PVC plastics
As can be seen from Table 2, the addition of the cementing liquid effectively improves the strength and geometric stability of the plastic product, and the mechanical properties of the PVC plastic are obviously improved along with the increase of the crosslinking degree of the PVC plastic.
Claims (10)
1. The preparation method of the wear-resistant PVC plastic is characterized by comprising the following steps:
(1) putting the functional polyvinyl chloride master batch and the filler into a ball mill for ball milling treatment, and sieving to obtain mixed powder;
(2) placing the mixed powder and a stabilizer in an internal mixer for internal mixing treatment to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder, and extruding and granulating; and (5) performing injection molding to obtain the wear-resistant PVC plastic.
2. The method of making a wear resistant PVC plastic according to claim 1, comprising the steps of:
(1) putting 80-90 parts by mass of the functional polyvinyl chloride master batch as claimed in claim 6 and 18-25 parts by mass of a filler into a ball mill, performing ball milling at a rotating speed of 200-300 rpm for 1-2 hours, and sieving with a 550-600-mesh sieve to obtain mixed powder;
(2) according to the mass parts, placing 90-100 parts of mixed powder and 7-12 parts of stabilizer in an internal mixer, and carrying out internal mixing for 5-8 min at 130-140 ℃ and 40-50 rpm to obtain a mixture A;
(3) feeding the mixture A into a double-screw extruder with the processing temperature of 220-240 ℃ and the main machine rotating speed of 330-360 rpm, and extruding and granulating; and performing injection molding to obtain the wear-resistant PVC plastic.
3. The method for preparing wear-resistant PVC plastic according to claim 1 or 2, wherein the method for preparing the functional polyvinyl chloride master batch comprises the following steps:
s1: adding 80-90 parts by mass of polyvinyl chloride master batch, 5-10 parts by mass of methyl methacrylate, 0.3-2 parts by mass of initiator, 7-10 parts by mass of emulsifier, 20-30 parts by mass of cementing liquid, 1-3 parts by mass of nano diamond and 50-80 parts by mass of water into a reaction kettle, reacting for 3-6 hours at 110-120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100-120 parts of the mixture I at 50-60 ℃ and at the rotating speed of 200-300 rpm, adding 1-3 mol/L dilute hydrochloric acid at the dropping speed of 0.3-0.5 mL/10s to adjust the pH value to 2.3-3.3, continuously reacting for 2-3 h, filtering, washing to be neutral, extruding and granulating to obtain the functional polyvinyl chloride master batch.
4. The method for preparing wear-resistant PVC plastic according to claim 3, wherein the method for preparing the functional PVC masterbatch comprises the following steps:
s1: adding 80-90 parts by mass of polyvinyl chloride master batch, 5-10 parts by mass of methyl methacrylate, 0.3-2 parts by mass of initiator, 7-10 parts by mass of emulsifier, 20-30 parts by mass of cementing liquid, 5-7 parts by mass of wear-resistant reinforcing agent, 1-3 parts by mass of nano diamond and 50-80 parts by mass of water into a reaction kettle, reacting for 2-3 hours at 110-120 ℃, and cooling to room temperature to obtain a mixture I;
s2: according to the mass parts, stirring 100-120 parts of the mixture I at 50-60 ℃ and at the rotating speed of 200-300 rpm, adding 1-3 mol/L dilute hydrochloric acid at the dropping speed of 0.3-0.5 mL/10s to adjust the pH to 2.3-3.3, continuously reacting for 3-6 h, filtering, washing with water to be neutral, and extruding and granulating to obtain the functional polyvinyl chloride master batch.
5. The method for preparing the wear-resistant PVC plastic according to claim 3 or 4, wherein the process for preparing the cementing liquid comprises the following steps: mixing quartz sandstone powder according to a material-liquid ratio of 1 g: (15-20) mL of the cementing solution is added into 1-3 mol/L sodium hydroxide aqueous solution, stirred for 3-4 hours at the temperature of 30-40 ℃ and the rotating speed of 200-300 rpm, filtered and collected to obtain the cementing solution.
6. The method for preparing wear-resistant PVC plastic according to claim 3 or 4, wherein the initiator is one of potassium persulfate and diisopropylbenzene hydroperoxide-ferrous sulfate compound; the emulsifier is at least one of oleic acid, potassium stearate, disproportionated rosin potassium and sodium dodecyl sulfate.
7. The method of preparing a wear-resistant PVC plastic according to claim 4, wherein the wear-resistant reinforcing agent is at least one of diabase fiber and sisal fiber.
8. The preparation method of the wear-resistant PVC plastic according to claim 1 or 2, wherein the filler is prepared from calcium carbonate and barium sulfate according to the mass ratio of (8-10): 1.
9. The method for preparing wear-resistant PVC plastic according to claim 1 or 2, wherein the stabilizer is at least one of barium stearate, lead stearate, cadmium stearate and dibasic lead phosphite.
10. Abrasion-resistant PVC plastic, characterized in that it is produced by the process according to any of claims 7 to 9.
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| CN117229591A (en) * | 2023-09-21 | 2023-12-15 | 苏州风载材料科技有限公司 | PVC waterproof coiled material and preparation method thereof |
| WO2024011805A1 (en) * | 2022-07-15 | 2024-01-18 | 浙江煜华车饰有限公司 | Wear-resistant pvc plastic and preparation method therefor |
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| CN118725483B (en) * | 2024-07-15 | 2025-05-02 | 双登电缆股份有限公司 | A wear-resistant and corrosion-resistant polyvinyl chloride cable material |
| CN119591998A (en) * | 2024-12-25 | 2025-03-11 | 江苏旭科新材料有限公司 | A wear-resistant and impact-resistant composite PVC material and preparation method thereof |
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