CN116855021B - Formula and production process of wear-resistant plastic part - Google Patents
Formula and production process of wear-resistant plastic part Download PDFInfo
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- CN116855021B CN116855021B CN202311132605.1A CN202311132605A CN116855021B CN 116855021 B CN116855021 B CN 116855021B CN 202311132605 A CN202311132605 A CN 202311132605A CN 116855021 B CN116855021 B CN 116855021B
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- wear
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- carbon fiber
- zinc oxide
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- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 238000009472 formulation Methods 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 25
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 52
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 39
- 239000004917 carbon fiber Substances 0.000 claims description 39
- 239000000306 component Substances 0.000 claims description 37
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 30
- 239000011787 zinc oxide Substances 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 239000011259 mixed solution Substances 0.000 claims description 21
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000178 monomer Substances 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 16
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 claims description 14
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical group [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 claims description 12
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 10
- SUYGAJBZSMRFHU-UHFFFAOYSA-L [Cl-].[Cl-].P(=O)#C[N+](CCO)(C)C.P(=O)#C[N+](CCO)(C)C Chemical compound [Cl-].[Cl-].P(=O)#C[N+](CCO)(C)C.P(=O)#C[N+](CCO)(C)C SUYGAJBZSMRFHU-UHFFFAOYSA-L 0.000 claims description 10
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000002390 rotary evaporation Methods 0.000 claims description 9
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 8
- 239000004201 L-cysteine Substances 0.000 claims description 7
- 235000013878 L-cysteine Nutrition 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 239000001763 2-hydroxyethyl(trimethyl)azanium Substances 0.000 claims description 6
- 235000019743 Choline chloride Nutrition 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- SGMZJAMFUVOLNK-UHFFFAOYSA-M choline chloride Chemical compound [Cl-].C[N+](C)(C)CCO SGMZJAMFUVOLNK-UHFFFAOYSA-M 0.000 claims description 6
- 229960003178 choline chloride Drugs 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 230000000865 phosphorylative effect Effects 0.000 claims description 5
- 229950004354 phosphorylcholine Drugs 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- PWKSKIMOESPYIA-UHFFFAOYSA-N 2-acetamido-3-sulfanylpropanoic acid Chemical compound CC(=O)NC(CS)C(O)=O PWKSKIMOESPYIA-UHFFFAOYSA-N 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000004108 freeze drying Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 238000006366 phosphorylation reaction Methods 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005886 esterification reaction Methods 0.000 claims description 2
- 238000010534 nucleophilic substitution reaction Methods 0.000 claims description 2
- 230000026731 phosphorylation Effects 0.000 claims description 2
- 238000007142 ring opening reaction Methods 0.000 claims description 2
- IKTQIZINHZVKJR-UHFFFAOYSA-N 2-dichlorophosphoryloxyethyl(trimethyl)azanium Chemical compound C[N+](C)(C)CCOP(Cl)(Cl)=O IKTQIZINHZVKJR-UHFFFAOYSA-N 0.000 claims 2
- PYJNAPOPMIJKJZ-UHFFFAOYSA-N phosphorylcholine chloride Chemical compound [Cl-].C[N+](C)(C)CCOP(O)(O)=O PYJNAPOPMIJKJZ-UHFFFAOYSA-N 0.000 claims 2
- 238000004090 dissolution Methods 0.000 claims 1
- 230000007062 hydrolysis Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 12
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical group [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 abstract description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 4
- 125000004185 ester group Chemical group 0.000 abstract description 3
- 125000000524 functional group Chemical group 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- GRALWUYYNKCURR-UHFFFAOYSA-O SP(=O)=C(O)C[N+](C)(C)C Chemical group SP(=O)=C(O)C[N+](C)(C)C GRALWUYYNKCURR-UHFFFAOYSA-O 0.000 abstract 1
- 239000006084 composite stabilizer Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 8
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical compound [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000004209 oxidized polyethylene wax Substances 0.000 description 4
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- NJNWCIAPVGRBHO-UHFFFAOYSA-N 2-hydroxyethyl-dimethyl-[(oxo-$l^{5}-phosphanylidyne)methyl]azanium Chemical group OCC[N+](C)(C)C#P=O NJNWCIAPVGRBHO-UHFFFAOYSA-N 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- YHHSONZFOIEMCP-UHFFFAOYSA-O phosphocholine Chemical compound C[N+](C)(C)CCOP(O)(O)=O YHHSONZFOIEMCP-UHFFFAOYSA-O 0.000 description 3
- 125000003396 thiol group Chemical group [H]S* 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$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 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a formula and a production process of a wear-resistant plastic part, which belong to the technical field of plastic production and comprise the following raw materials in parts by weight: 90-100 parts of polyvinyl chloride, 15-25 parts of styrene-butadiene rubber, 8-12 parts of wear-resistant functional components, 1-3 parts of lubricant and 3-5 parts of stabilizer; the production process of the wear-resistant plastic part comprises the following steps: s1, weighing materials; s2, mixing materials; step S3, extruding; s4, forming; the wear-resistant functional component is added into the raw materials, contains active mercapto, phosphorylcholine structure, ester group, carbon fiber structure and nano zinc oxide structure, can be chemically crosslinked with unsaturated double bonds on polyvinyl chloride, can form hydrogen bond action with oxygen-containing functional groups in the carbon fiber structure and hydroxyl groups in the nano zinc oxide structure, has good lubricating effect, and jointly improves the wear resistance, ageing resistance and mechanical property of plastic parts.
Description
Technical Field
The invention relates to the technical field of plastic production, in particular to a formula and a production process of a wear-resistant plastic part.
Background
The polyvinyl chloride has better chemical stability and high wear resistance, is recyclable in low carbon, and is widely applied to the fields of construction, decoration, agriculture, medical treatment and health and the like.
However, polyvinyl chloride has the defects of low modulus, poor ageing resistance, poor impact resistance and the like, so when the polyvinyl chloride is in an environment of ultraviolet irradiation for a long time, the service life is often short due to performance reasons, the ageing resistance of the polyvinyl chloride is often improved by adding additives such as an antioxidant and an ultraviolet absorber in the prior art, but the conventional antioxidant and the ultraviolet absorber have small molecular weight and are easy to migrate and precipitate, so that the modification effect of the prepared plastic part is poor, and the formula and the production process for providing the ageing-resistant modified wear-resistant plastic part are the technical problems to be solved at present.
Disclosure of Invention
The invention aims to provide a formula and a production process of a wear-resistant plastic part, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the formula of the wear-resistant plastic part comprises the following raw materials in parts by weight:
90-100 parts of polyvinyl chloride, 15-25 parts of styrene-butadiene rubber, 8-12 parts of wear-resistant functional components, 1-3 parts of lubricant and 3-5 parts of stabilizer;
the production process of the wear-resistant plastic part formula comprises the following steps:
step S1, weighing: weighing polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, lubricant and stabilizer in corresponding parts by weight for standby;
step S2, mixing: adding polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, a lubricant and a stabilizer into a mixer, and mixing at a high speed for 10-15min at 68-72 ℃ to obtain a mixed material;
step S3, extruding: feeding the mixed material into a double-screw extruder, and extruding through a machine head to obtain a molten mixed material;
step S4, molding: and (3) placing the molten mixture prepared in the step (S3) into a torque rheometer, banburying for 10-15min at 170 ℃, discharging, crushing, and placing into an injection molding machine for injection molding to obtain the wear-resistant plastic part.
In the preparation process, the wear-resistant functional component contains nano zinc oxide, so that the wear-resistant functional component can not only enhance the mechanical property of the prepared plastic part, but also serve as a vulcanizing agent to further promote the chemical crosslinking of the component.
Further, the lubricant is one or more of polyethylene wax, oxidized polyethylene wax and single fatty acid glyceride mixed according to any proportion.
Further, the heat stabilizer is one or a mixture of two of a calcium-zinc composite stabilizer and a barium-zinc composite stabilizer.
Further, in step S3, the extrusion process of the twin screw extruder is as follows: first region 170-180deg.C, second region 180-185 deg.C, third region 185-190 deg.C, fourth region 190-195 deg.C, fifth region 195-200 deg.C, and head temperature 200 deg.C; the screw speed was 200r/min.
Further, in the step S4, the temperature of the head is 180-185 ℃, the injection pressure is 68-70MPa, the extrusion rate is 1.1-1.4g/S, the traction force is 6-6.2N, and the moving speed is 0.3-0.35m/min.
Further, the preparation method of the wear-resistant functional component comprises the following steps:
step A1, placing carbon fibers in acetone, stirring for 12 hours at 50 ℃, taking out, washing for 3-5 times by using absolute ethyl alcohol to obtain pretreated carbon fibers, placing the pretreated carbon fibers in 65% by mass of concentrated nitric acid, stirring for 2-3 hours at 90 ℃, filtering, and washing a filter cake with deionized water until a washing liquid layer is neutral to obtain acidified carbon fibers; wherein, the dosage ratio of the carbon fiber to the acetone is 5g:50mL of pretreated carbon fiber and concentrated nitric acid in an amount ratio of 4g:45-55mL, washing with acetone to remove impurities on the surface of the carbon fiber, and then oxidizing with concentrated nitric acid to increase oxygen-containing groups on the surface of the carbon fiber;
step A2, uniformly mixing the acidified carbon fiber, the phosphoryl monomer, the p-toluenesulfonic acid and the anhydrous DMF, heating to 65-75 ℃ under nitrogen atmosphere, stirring and reacting for 6-8h, standing for 4-6h after the reaction is finished, carrying out suction filtration, respectively washing a filter cake with the anhydrous ethanol and deionized water for 3-5 times, and freeze-drying to obtain the esterified carbon fiber, wherein the dosage ratio of the acidified carbon fiber to the phosphoryl monomer to the p-toluenesulfonic acid to the anhydrous DMF is 2.5-3.5g:0.6-0.8g:0.01g:55-65mL, namely, acidizing the hydroxyl on the surface of the carbon fiber by using anhydrous DMF as a solvent and p-toluenesulfonic acid as a catalyst to perform esterification reaction with the carboxyl on the phosphorylating monomer, so that the surface of the carbon fiber is grafted with the hydroxyl containing amino, phosphate ester group, ester group and sulfhydryl group;
step A3, adding the esterified carbon fiber and the modified nano zinc oxide into anhydrous DMF, dropwise adding tetrabutylammonium bromide and the anhydrous DMF mixed solution a, heating to 120 ℃ after the dropwise adding is finished, stirring for 2-3h, centrifuging after the reaction is finished, washing the precipitate with 40% ethanol solution by mass fraction for 3-5 times, and drying to obtain the wear-resistant functional component, wherein the dosage ratio of the modified nano zinc oxide to the anhydrous DMF to the mixed solution a is 1-2g:0.2-0.4g:35-45mL:10mL, in the mixed solution a, the dosage ratio of tetrabutylammonium bromide to anhydrous DMF is 0.15g:10mL, in the reaction process, the anhydrous DMF is taken as a solvent, tetrabutylammonium bromide is taken as a catalyst, and the amino group on the esterified carbon fiber and the epoxy group on the modified nano zinc oxide undergo ring opening reaction to obtain the wear-resistant functional component.
Further, the preparation method of the phosphoryl monomer comprises the following steps:
step B1, introducing dry nitrogen into a three-neck flask, removing water and deoxidizing, adding dry choline chloride and anhydrous chloroform into the three-neck flask, treating for 30min under an ice salt bath, adding anhydrous phosphorus oxychloride, stirring and reacting for 1.5h, removing the ice salt bath, and continuing stirring for 4-6h at room temperature to obtain phosphorylcholine dichloride, wherein the dosage ratio of the dry choline chloride to the anhydrous chloroform to the anhydrous phosphorus oxychloride is 2.5-3.5g:25-45mL of 2-3.2g, wherein anhydrous phosphorus oxychloride is used as a phosphorylating reagent in the reaction process, and the phosphorylcholine dichloride is prepared through reaction, and in the reaction process, the whole reaction system is ensured to be in an anhydrous and anaerobic environment, and the structural formula of the phosphorylcholine dichloride is shown as follows:
step B2, adding phosphorylcholine, L-cysteine and potassium carbonate into anhydrous pyridine under the protection of nitrogen, stirring until the phosphorylcholine, the L-cysteine, the potassium carbonate and the anhydrous pyridine are fully dissolved, heating until reflux reaction is carried out for 4-6h, filtering after the reaction is finished, adding cyclohexane, removing the anhydrous pyridine and the cyclohexane by rotary evaporation, placing the rotary evaporation product into anhydrous acetone for dissolving, filtering to remove the potassium chloride, removing the anhydrous acetone by rotary evaporation of filtrate, and drying for 16-24h at 65 ℃ to obtain phosphoryl monomers, wherein the dosage ratio of the phosphorylcholine, the L-cysteine, the potassium carbonate, the anhydrous pyridine, the cyclohexane and the anhydrous acetone is 2-3g:2.1-3.1g:1.2-2.0g:50-70mL:6-10mL:20mL, wherein in the reaction process, the amount of the substance of the L-cysteine is controlled to be slightly higher than twice that of the phosphorylcholine dichloride, so that chlorine atoms on the phosphorylcholine dichloride can be fully consumed, the reaction takes anhydrous pyridine as an organic solvent, potassium carbonate as an acid-binding agent, nucleophilic substitution reaction is carried out on the chlorine atoms on the phosphorylcholine dichloride and amino groups on the L-cysteine, and a phosphorylating monomer is obtained,
the structural formula of the phosphoryl monomer is shown as follows:
further, the preparation method of the modified nano zinc oxide comprises the following steps:
putting nano zinc oxide into a vacuum drying oven at 80 ℃ for drying for 24 hours, putting the nano zinc oxide into a mixed solution b of absolute ethyl alcohol and deionized water, carrying out ultrasonic crushing treatment for 0.5-1 hour, stirring for 1-2 hours at 1000rpm, dropwise adding a mixed solution c of KH-560 and absolute ethyl alcohol until the temperature is constant, dropwise adding the mixed solution c of KH-560 and absolute ethyl alcohol until the dropwise adding speed is 2-4 drops/second, continuously stirring for reacting for 4-6 hours, cooling to room temperature after the reaction is finished, washing the solution with absolute ethyl alcohol for 3-5 times, centrifuging, and drying for 16-24 hours at 65 ℃ under vacuum to obtain modified nano zinc oxide, wherein the dosage ratio of nano zinc oxide to mixed solution b to mixed solution c is 5g:35-45mL:15.3-15.5mL, and the dosage ratio of the absolute ethyl alcohol to the deionized water in the mixed solution b is 25-30mL: in 10mL of mixed solution c, the dosage ratio of KH-560 to absolute ethyl alcohol is 0.3-0.5mL to 15mL, and in the reaction process, the nano zinc oxide is modified by KH-560, so that the problems of easy agglomeration and poor self-dispersion of the nano zinc oxide are solved.
Compared with the prior art, the invention has the following beneficial effects: in order to solve the problems in the background art, the wear-resistant functional component is introduced into the polyvinyl chloride base material, the wear-resistant functional component contains rich active mercapto groups, phosphorylcholine structures, ester groups, carbon fiber structures and nano zinc oxide structures, the active mercapto groups can be chemically crosslinked with unsaturated double bonds on the polyvinyl chloride on one hand, the mechanical properties of plastic parts are improved, the number of the unsaturated double bonds on the polyvinyl chloride base material is reduced, the ageing resistance of the plastic parts is improved, on the other hand, the wear-resistant functional component can form a hydrogen bond with oxygen-containing functional groups in the carbon fiber structures and hydroxyl groups in the nano zinc oxide structures, the mechanical properties of the plastic parts are further improved, the phosphorylcholine structures mainly comprise phosphate groups and quaternary ammonium salt structures, the compatibility and dispersibility of the wear-resistant functional component and the polyvinyl chloride base material are enhanced, the mechanical properties of the plastic parts are further improved, in addition, the phosphorylcholine structures have good lubricating effects, the existence of the carbon fibers and the rigid nano zinc oxide structures jointly improve the mechanical properties of the plastic parts, on the other hand, the carbon fibers have good wear resistance and good ageing resistance, and the wear resistance of the wear-resistant components can be introduced into the plastic parts, and the wear-resistant components can jointly exert the good ageing resistance.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment 1, preferably, the present embodiment provides a method for preparing modified nano zinc oxide, including the following steps:
5g of nano zinc oxide is placed into a vacuum drying oven at 80 ℃ for drying for 24 hours, then placed into a mixed solution b of 27.5mL of absolute ethyl alcohol and 10mL of deionized water, subjected to ultrasonic crushing treatment for 0.75 hour, stirred for 1-2 hours at 1000rpm, and subjected to dropwise adding of a mixed solution c of 0.4mL of KH-560 and 15mL of absolute ethyl alcohol at a constant temperature at a dropwise speed of 3 drops/second, continuously stirred for reacting for 5 hours after the dropwise adding, cooled to room temperature after the reaction is finished, washed for 4 times by absolute ethyl alcohol, centrifuged, and dried for 20 hours at the vacuum of 65 ℃ to obtain the modified nano zinc oxide.
Embodiment 2, preferably, this embodiment provides a method for preparing a phosphorylating monomer, including the steps of:
step B1, introducing dry nitrogen into a three-neck flask, removing water and oxygen, adding 3g of dry choline chloride and 30mL of anhydrous chloroform into the three-neck flask, treating for 30min under an ice salt bath, adding 2.6g of anhydrous phosphorus oxychloride, stirring and reacting for 1.5h, removing the ice salt bath, and continuing stirring and reacting for 5h at room temperature to obtain the phosphorylcholine dichloride;
and B2, under the protection of nitrogen, adding 2.5g of phosphorylcholine dichloride, 2.6-g L-cysteine and 1.6g of potassium carbonate into 60mL of anhydrous pyridine, stirring until the materials are fully dissolved, heating until reflux reaction is carried out for 5h, adding 8mL of cyclohexane after the reaction is finished, removing the anhydrous pyridine and the cyclohexane by rotary evaporation, dissolving a rotary evaporation product in 20mL of anhydrous acetone, filtering to remove potassium chloride, removing the anhydrous acetone by rotary evaporation of a filtrate, and drying for 20h at 65 ℃ to obtain the phosphorylation monomer.
Embodiment 3, preferably, the present embodiment provides a method for preparing a wear-resistant functional component, including the steps of:
step A1, placing 5g of carbon fiber in 50mL of acetone, stirring for 12 hours at 50 ℃, taking out, washing for 4 times by using absolute ethyl alcohol to obtain pretreated carbon fiber, placing 4g of pretreated carbon fiber in 50mL of 65% mass fraction concentrated nitric acid, stirring for 2.5 hours at 90 ℃, filtering, washing a filter cake with deionized water until a washing liquid layer is neutral, and obtaining acidified carbon fiber;
step A2, uniformly mixing 3g of acidified carbon fiber, 0.7g of the phosphoryl monomer prepared in the embodiment 2, 0.01g of p-toluenesulfonic acid and 60mL of anhydrous DMF, heating to 70 ℃ under nitrogen atmosphere, stirring and reacting for 7 hours, standing for 5 hours after the reaction is finished, carrying out suction filtration, respectively washing a filter cake with anhydrous ethanol and deionized water for 4 times, and freeze-drying to obtain the esterified carbon fiber;
and A3, adding 1.5g of esterified carbon fiber and 0.3g of modified nano zinc oxide into 40mL of anhydrous DMF, dropwise adding 0.15g of tetrabutylammonium bromide and 10mL of anhydrous DMF mixed solution a, heating to 120 ℃ after the dropwise adding is finished, stirring for 2.5h, centrifuging after the reaction is finished, washing the precipitate with 40% ethanol solution for 4 times by mass fraction, and drying to obtain the wear-resistant functional component.
Example 4, this example provides a wear-resisting plastic part formulation, including the following raw materials by weight:
90 parts of polyvinyl chloride, 15 parts of styrene-butadiene rubber, 8 parts of the wear-resistant functional component prepared in the example 3, 1 part of polyethylene wax and 3 parts of a calcium-zinc composite stabilizer;
the production process of the wear-resistant plastic part formula comprises the following steps:
step S1, weighing: weighing polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, polyethylene wax and a calcium-zinc composite stabilizer in corresponding parts by weight for standby;
step S2, mixing: adding polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, polyethylene wax and calcium-zinc composite stabilizer into a mixer, and mixing at 68 ℃ for 10min at high speed to obtain a mixed material;
step S3, extruding: feeding the mixed material into a double-screw extruder, and extruding through a machine head to obtain a molten mixed material;
step S4, molding: placing the molten mixture prepared in the step S3 into a torque rheometer, banburying for 10min at 170 ℃, discharging, crushing, placing into an injection molding machine, and performing injection molding to obtain a wear-resistant plastic part, wherein in the step S3, the extrusion process of a double-screw extruder is as follows: first 170 ℃, second 180 ℃, third 185 ℃, fourth 190 ℃, fifth 195 ℃ and head 200 ℃; in the step S4, the temperature of the head at the injection molding time is 180 ℃, the injection pressure is 68MPa, the extrusion rate is 1.1g/S, the traction force is 6N, and the moving speed is 0.3m/min.
Example 5, this example provides a wear-resisting plastic part formulation, including the following raw materials by weight:
95 parts of polyvinyl chloride, 20 parts of styrene-butadiene rubber, 10 parts of the wear-resistant functional component prepared in the embodiment 3, 2 parts of oxidized polyethylene wax, 5 parts of an antioxidant and 4 parts of a barium-zinc composite stabilizer;
the production process of the wear-resistant plastic part formula comprises the following steps:
step S1, weighing: weighing polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, oxidized polyethylene wax and barium-zinc composite stabilizer in corresponding parts by weight for standby;
step S2, mixing: adding polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, oxidized polyethylene wax and barium-zinc composite stabilizer into a mixer, and mixing at a high speed for 12.5min at 70 ℃ to obtain a mixed material;
step S3, extruding: feeding the mixed material into a double-screw extruder, and extruding through a machine head to obtain a molten mixed material;
step S4, molding: placing the molten mixture prepared in the step S3 into a torque rheometer, banburying for 12.5min at 170 ℃, discharging, crushing, placing into an injection molding machine, and performing injection molding to obtain a wear-resistant plastic part, wherein in the step S3, the extrusion process of a double-screw extruder is as follows: first 175 ℃, second 183 ℃, third 188 ℃, fourth 193 ℃, fifth 198 ℃ and head temperature 200 ℃; in the step S4, the temperature of the head at the injection molding time is 183 ℃, the injection pressure is 69MPa, the extrusion rate is 1.3g/S, the traction force is 6.1N, and the moving speed is 0.33m/min.
Example 6, this example provides a wear-resisting plastic part formulation, including the following raw materials by weight:
100 parts of polyvinyl chloride, 30 parts of styrene-butadiene rubber, 12 parts of the wear-resistant functional component prepared in the example 3, 3 parts of mono-fatty glyceride and 5 parts of a calcium-zinc composite stabilizer;
the production process of the wear-resistant plastic part formula comprises the following steps:
step S1, weighing: weighing polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, single fatty acid glyceride and calcium-zinc composite stabilizer in corresponding parts by weight for later use;
step S2, mixing: adding polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, single fatty acid glyceride and calcium-zinc composite stabilizer into a mixer, and mixing at a high speed for 15min at 72 ℃ to obtain a mixed material;
step S3, extruding: feeding the mixed material into a double-screw extruder, and extruding through a machine head to obtain a molten mixed material;
step S4, molding: placing the molten mixture prepared in the step S3 into a torque rheometer, banburying for 15min at 170 ℃, discharging, crushing, placing into an injection molding machine, and performing injection molding to obtain a wear-resistant plastic part, wherein in the step S3, the extrusion process of a double-screw extruder is as follows: first 180 ℃, second 185 ℃, third 190 ℃, fourth 195 ℃, fifth 200 ℃ and head temperature 200 ℃; in the step S4, the temperature of the head at the injection molding time is 185 ℃, the injection pressure is 70MPa, the extrusion rate is 1.4g/S, the traction force is 6.2N, and the moving speed is 0.35m/min.
Comparative example 1
The L-cysteine in example 2 is removed, the rest of the raw materials and the preparation process are unchanged, the prepared substance is replaced by the phosphoryl monomer in example 3, the rest of the raw materials and the preparation process are unchanged, the prepared substance is replaced by the wear-resistant functional component in example 5, and the rest of the raw materials and the preparation process are unchanged.
Comparative example 2
The phosphoryl monomer in example 3 was removed, the remaining raw materials and preparation process were unchanged, and the prepared material was substituted for the abrasion-resistant functional component in example 5, and the remaining raw materials and preparation process were unchanged.
Comparative example 3
The 65% concentrated nitric acid in the mass fraction of the example 3 is removed, the rest raw materials and the preparation process are unchanged, and the prepared substance is used for replacing the wear-resistant functional component in the example 5, and the rest raw materials and the preparation process are unchanged.
Comparative example 4
The carbon fiber in example 3 was removed, the remaining raw materials and the preparation process were unchanged, and the prepared material was substituted for the abrasion-resistant functional component in example 5, and the remaining raw materials and the preparation process were unchanged.
Comparative example 5
The modified nano zinc oxide in the example 3 is removed, the rest raw materials and the preparation process are unchanged, and then the prepared substance is used for replacing the wear-resistant functional component in the example 5, and the rest raw materials and the preparation process are unchanged.
Performance testing
The abrasion resistant plastic parts prepared in examples 4 to 6 and comparative examples 1 to 5 were tested for mechanical properties (tensile strength, flexural strength, hardness, coefficient of friction, volume abrasion) and flame retardant properties (limiting oxygen index) according to standard test methods, respectively, and specific test data are shown in table 1:
ageing resistance: according to GB/T16422.2-2014 Plastic laboratory light Source Exposure test method part 2: xenon arc lamps were used for ageing treatment of examples 4-6 and comparative examples 1-5, and then tensile strength was measured for examples 4-6 and comparative examples 1-5 after 2000h of ageing using a universal mechanical properties tester of the CMT-6104 type according to GB/T1040-2018 "measurement of tensile Properties of plastics".
TABLE 1
。
As can be seen from Table 1, the plastic parts prepared in examples 4 to 6 were better in mechanical properties and abrasion resistance than those prepared in comparative examples 1 to 5, and therefore, the plastic parts prepared in the present invention were excellent in abrasion resistance and mechanical properties.
TABLE 2
。
As can be seen from Table 2, the plastic parts prepared in examples 5 to 7 still have excellent tensile retention after aging treatment for 2000 hours, compared with comparative examples 3 to 5, and therefore, the plastic parts prepared in the present invention have excellent aging resistance.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The formula of the wear-resistant plastic part is characterized in that: the material comprises the following raw materials in parts by weight:
90-100 parts of polyvinyl chloride, 15-25 parts of styrene-butadiene rubber, 8-12 parts of wear-resistant functional components, 1-3 parts of lubricant and 3-5 parts of stabilizer;
the wear-resistant functional component is prepared by treating carbon fiber with acetone and concentrated nitric acid to obtain acidified carbon fiber, then continuously carrying out esterification reaction with phosphoryl monomer to obtain esterified carbon fiber, and finally carrying out ring opening reaction with modified nano zinc oxide;
the phosphorylating monomer is prepared by carrying out phosphorylation reaction on dry choline chloride and dry phosphorus oxychloride to obtain dichloro phosphorylcholine, and carrying out nucleophilic substitution reaction on the dichloro phosphorylcholine and L-cysteine;
the modified nano zinc oxide is prepared by KH-560 hydrolysis of modified nano zinc oxide.
2. A wear resistant plastic part formulation according to claim 1, wherein: the preparation method of the wear-resistant functional component comprises the following steps:
step A1, placing carbon fibers in acetone, stirring for 12 hours at 50 ℃, taking out, washing for 3-5 times by using absolute ethyl alcohol to obtain pretreated carbon fibers, placing the pretreated carbon fibers in 65% by mass of concentrated nitric acid, stirring for 2-3 hours at 90 ℃, filtering, and washing a filter cake with deionized water until a washing liquid layer is neutral to obtain acidified carbon fibers;
step A2, uniformly mixing the acidified carbon fiber, the phosphoryl monomer, the p-toluenesulfonic acid and the anhydrous DMF, heating to 65-75 ℃ under nitrogen atmosphere, stirring for reaction for 6-8 hours, standing for 4-6 hours after the reaction is finished, carrying out suction filtration, respectively washing a filter cake with the anhydrous ethanol and deionized water for 3-5 times, and freeze-drying to obtain the esterified carbon fiber;
and A3, adding the esterified carbon fiber and the modified nano zinc oxide into anhydrous DMF, dropwise adding a mixed solution a of tetrabutylammonium bromide and the anhydrous DMF, heating to 120 ℃ after the dropwise adding is finished, stirring for 2-3h, centrifuging after the reaction is finished, washing the precipitate with 40% ethanol solution for 3-5 times, and drying to obtain the wear-resistant functional component.
3. A wear resistant plastic part formulation according to claim 1, wherein: the preparation method of the phosphoryl monomer comprises the following steps:
step B1, introducing dry nitrogen into a three-neck flask, adding dry choline chloride and anhydrous chloroform into the three-neck flask after removing water and oxygen, treating for 30min in an ice salt bath, adding anhydrous phosphorus oxychloride, stirring and reacting for 1.5h, removing the ice salt bath, and continuing stirring for 4-6h at room temperature to obtain phosphorylcholine dichloride;
and B2, adding phosphorylcholine, L-cysteine and potassium carbonate into anhydrous pyridine under the protection of nitrogen, stirring until the phosphorylcholine, the L-cysteine and the potassium carbonate are fully dissolved, heating until reflux reaction is carried out for 4-6 hours, filtering after the reaction is finished, adding cyclohexane, removing the anhydrous pyridine and the cyclohexane by rotary evaporation, putting a rotary evaporation product into anhydrous acetone for dissolution, filtering to remove potassium chloride, removing the anhydrous acetone by rotary evaporation of filtrate, and drying at 65 ℃ for 16-24 hours to obtain the phosphorylation monomer.
4. A wear resistant plastic part formulation according to claim 1, wherein: the preparation method of the modified nano zinc oxide comprises the following steps:
drying nano zinc oxide in a vacuum drying oven at 80 ℃ for 24 hours, then placing the nano zinc oxide in a mixed solution b of absolute ethyl alcohol and deionized water, carrying out ultrasonic crushing treatment for 0.5-1 hour, stirring for 1-2 hours at 1000rpm, dropwise adding a mixed solution c of KH-560 and absolute ethyl alcohol when the temperature is constant, dropwise adding the mixed solution c of KH-560 and absolute ethyl alcohol at the speed of 2-4 drops/second, continuously stirring for reacting for 4-6 hours, cooling to room temperature after the reaction is finished, washing the solution with absolute ethyl alcohol for 3-5 times, centrifuging, and drying for 16-24 hours at the temperature of 65 ℃ in vacuum to obtain the modified nano zinc oxide.
5. A wear resistant plastic part formulation according to claim 2, wherein: in the step A1, the dosage ratio of the carbon fiber to the acetone is 5g:50mL of pretreated carbon fiber and concentrated nitric acid in an amount ratio of 4g:45-55mL.
6. A wear resistant plastic part formulation according to claim 2, wherein: in the step A2, the dosage ratio of the acidified carbon fiber, the phosphoryl monomer, the p-toluenesulfonic acid and the anhydrous DMF is 2.5-3.5g:0.6-0.8g:0.01g:55-65mL.
7. A wear resistant plastic part formulation according to claim 2, wherein: in the step A3, the dosage ratio of the esterified carbon fiber to the modified nano zinc oxide to the anhydrous DMF to the mixed solution a is 1-2g:0.2-0.4g:35-45mL:10mL, the ratio of tetrabutylammonium bromide to anhydrous DMF in mixture a was 0.15g:10mL.
8. A wear resistant plastic part formulation according to claim 3, wherein: in the step B1, the dosage ratio of the dry choline chloride, the anhydrous chloroform and the anhydrous phosphorus oxychloride is 2.5-3.5g:25-45mL, 2-3.2g, and in the step B2, the dosage ratio of the phosphorylcholine dichloride, the L-cysteine, the potassium carbonate, the anhydrous pyridine, the cyclohexane and the anhydrous acetone is 2-3g:2.1-3.1g:1.2-2.0g:50-70mL:6-10mL:20mL.
9. A wear resistant plastic part formulation according to claim 4, wherein: the dosage ratio of the nano zinc oxide to the mixed solution b to the mixed solution c is 5g:35-45mL:15.3-15.5mL, and the dosage ratio of the absolute ethyl alcohol to the deionized water in the mixed solution b is 25-30mL:10mL, the ratio of KH-560 to absolute ethanol in the mixture c is 0.3-0.5mL to 15mL.
10. A process for producing a formulation for wear resistant plastic parts as claimed in any one of claims 1 to 9, characterized in that: the method comprises the following steps:
step S1, weighing: weighing polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, lubricant and stabilizer in corresponding parts by weight for standby;
step S2, mixing: adding polyvinyl chloride, styrene-butadiene rubber, wear-resistant functional components, a lubricant and a stabilizer into a mixer, and mixing at a high speed for 10-15min at 68-72 ℃ to obtain a mixed material;
step S3, extruding: feeding the mixed material into a double-screw extruder, and extruding through a machine head to obtain a molten mixed material;
step S4, molding: and (3) placing the molten mixture prepared in the step (S3) into a torque rheometer, banburying for 10-15min at 170 ℃, discharging, crushing, and placing into an injection molding machine for injection molding to obtain the wear-resistant plastic part.
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| CN116675936A (en) * | 2023-06-21 | 2023-09-01 | 揭阳市京品科技实业有限公司 | Wear-resistant plastic with ageing resistance |
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| CN106496841A (en) * | 2016-09-30 | 2017-03-15 | 河南联塑实业有限公司 | A kind of abrasion resistant fire blocking environment-friendly polyvinyl chloride nanometer calcium carbonate plastics tubing and preparation method thereof |
| CN109054219A (en) * | 2018-06-12 | 2018-12-21 | 台州学院 | A kind of antibacterial heat resistant and wear resistant plastic tube |
| WO2023000709A1 (en) * | 2021-07-21 | 2023-01-26 | 公元股份有限公司 | Mixed ingredient of high-performance unplasticized polyvinyl chloride water supply pipe, and preparation method therefor |
| CN116675936A (en) * | 2023-06-21 | 2023-09-01 | 揭阳市京品科技实业有限公司 | Wear-resistant plastic with ageing resistance |
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