CN113416352A - Modified plastic composite material and preparation method thereof - Google Patents
Modified plastic composite material and preparation method thereof Download PDFInfo
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- CN113416352A CN113416352A CN202110767392.4A CN202110767392A CN113416352A CN 113416352 A CN113416352 A CN 113416352A CN 202110767392 A CN202110767392 A CN 202110767392A CN 113416352 A CN113416352 A CN 113416352A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 93
- 239000004033 plastic Substances 0.000 title claims abstract description 93
- 239000002131 composite material Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title description 16
- 239000000843 powder Substances 0.000 claims abstract description 89
- 239000000945 filler Substances 0.000 claims abstract description 80
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000002994 raw material Substances 0.000 claims abstract description 60
- 239000000203 mixture Substances 0.000 claims abstract description 49
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007822 coupling agent Substances 0.000 claims abstract description 40
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 31
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 31
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 30
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 30
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 30
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 30
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 22
- 239000004970 Chain extender Substances 0.000 claims abstract description 21
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 21
- 239000006229 carbon black Substances 0.000 claims abstract description 21
- 239000002134 carbon nanofiber Substances 0.000 claims abstract description 21
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 21
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 21
- 229920001194 natural rubber Polymers 0.000 claims abstract description 21
- 239000002667 nucleating agent Substances 0.000 claims abstract description 21
- 229940037312 stearamide Drugs 0.000 claims abstract description 21
- 229920003051 synthetic elastomer Polymers 0.000 claims abstract description 21
- 239000005061 synthetic rubber Substances 0.000 claims abstract description 21
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 21
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 21
- 239000013543 active substance Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims description 80
- 239000000463 material Substances 0.000 claims description 63
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 46
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 36
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 30
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 29
- 239000012745 toughening agent Substances 0.000 claims description 27
- 238000001125 extrusion Methods 0.000 claims description 20
- 239000000395 magnesium oxide Substances 0.000 claims description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 19
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 19
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 18
- 239000000839 emulsion Substances 0.000 claims description 18
- 229910021389 graphene Inorganic materials 0.000 claims description 18
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 18
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052582 BN Inorganic materials 0.000 claims description 10
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 10
- 239000012190 activator Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 10
- 238000004132 cross linking Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 9
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 9
- 239000005995 Aluminium silicate Substances 0.000 claims description 9
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 9
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 9
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 claims description 9
- 235000012211 aluminium silicate Nutrition 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000001913 cellulose Substances 0.000 claims description 9
- 229920002678 cellulose Polymers 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 9
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 9
- 238000012412 chemical coupling Methods 0.000 claims description 9
- 238000013329 compounding Methods 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 9
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 9
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 9
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 9
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 9
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 9
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 9
- -1 polyoxyethylene Polymers 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000005060 rubber Substances 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 239000004071 soot Substances 0.000 claims description 9
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 9
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims description 9
- 229920006221 acetate fiber Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 239000011231 conductive filler Substances 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 12
- 238000012986 modification Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 7
- 239000004793 Polystyrene Substances 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 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 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004695 Polyether sulfone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- UKCBKQLNTLMFAA-UHFFFAOYSA-N F.[F] Chemical compound F.[F] UKCBKQLNTLMFAA-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000035777 life prolongation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 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
- C08L7/00—Compositions of natural rubber
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a modified plastic composite material which is prepared from the following raw materials in parts by weight: 20-30 parts of natural rubber, 15-25 parts of synthetic rubber, 15-20 parts of MBS resin, 15-20 parts of composition, 4-6 parts of titanate coupling agent, 15-20 parts of nano silicon dioxide, 3-5 parts of vinyl bis stearamide, 3-5 parts of cross-linking agent, 2-5 parts of chain extender, 1-3 parts of antioxidant, 5-8 parts of white carbon black, 6-8 parts of active agent, 7-9 parts of filler, 3-5 parts of nucleating agent, 0.5-1 part of reinforcing agent, 12-15 parts of carbon nano fiber, 0.8-1.2 parts of impact modifier, 0.5-0.7 part of flexibilizer, 7-9 parts of metal oxide powder and 10-12 parts of porous ceramic material. The invention overcomes the defects of the prior art, has the characteristics of excellent ageing resistance, high wear resistance, strong corrosion resistance and high strength, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of plastic materials, in particular to a modified plastic composite material and a preparation method thereof.
Background
In recent years, with the increasing quality of life in human society, plastics are required to have higher requirements in various aspects such as appearance, material quality, and use quality, and are required to have not only higher impact strength but also excellent wear resistance, heat resistance, aging resistance, chemical resistance, flame retardancy, and the like. The plastic material is the main material of plastic products, and is an indispensable part in household appliances, automobiles, mobile phones, PCs, medical instruments and lighting appliances. Along with the continuous and stable increase of economy in China, the demand of plastic materials is larger and larger, and the performance of the plastic materials directly influences the rapid development of industries such as household appliances, automobiles, mobile phones, PCs, medical appliances and the like.
The plastic material is a commonly used raw material in daily life, and is a plastic (flexible) material formed by processing and molding or a rigid material formed by curing and crosslinking by taking high molecular weight synthetic resin as a main component and adding proper additives such as a plasticizer, a stabilizer, a flame retardant, a lubricant, a colorant and the like. However, common plastic materials on the market are unstable in quality, poor in aging resistance, easy to age and crack, poor in wear resistance and oxidation resistance, poor in flame retardant effect, brittle in property and low in impact strength, stress cracking is easily caused due to the rigidity of a molecular chain, the service life is short, and after the plastic materials are formed into products, the problems of serious plastic odor, heavy oil taste and the like exist under the condition that the product performance basically meets the requirements, so that workers and consumers are difficult to accept the plastic materials. These defects bring inconvenience to the practical use of plastic materials and do not meet the strict demands of the market.
Chinese patent CN104987610A discloses a high-toughness transparent PS plastic material, which is composed of the following raw materials in parts by weight: 70-85 parts of polystyrene, 5-8 parts of polyether sulfone resin, 7-12 parts of polyvinylidene fluoride and 3-10 parts of composite modifier; the invention also discloses a preparation method of the high-toughness transparent PS plastic material. According to the invention, the PES, the PVF and the PS are blended to obtain the plastic material, the impact modifier and the toughening agent in the composite modifier are used for compositely modifying the plastic material, so that the rigidity and toughness of the PS product are effectively balanced, and the PS plastic material with high toughness, high impact strength and good transparency is obtained, but the plastic material has poor flame retardant property and needs to be further improved in wear resistance, and the polyvinylidene fluoride fluorine-containing material is used, so that the cost is high, and the PS plastic material is not suitable for large-scale use.
Therefore, the high-strength wear-resistant plastic material with excellent ageing resistance, good oxidation resistance and strong corrosion resistance is developed to meet the market demand, and has a positive effect of promoting the rapid development of industries such as downstream household appliances, automobiles, mobile phones, PCs, medical appliances and the like.
Therefore, the inventor, with the experience of design development and actual manufacturing in the related industry for many years, researches and improves the existing structure and deficiency, and provides a modified plastic composite material and a preparation method thereof, so as to achieve the purpose of having more practical value.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention provides a modified plastic composite material and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a modified plastic composite material is prepared from the following raw materials in parts by weight:
20-30 parts of natural rubber, 15-25 parts of synthetic rubber, 15-20 parts of MBS resin, 15-20 parts of composition, 4-6 parts of titanate coupling agent, 15-20 parts of nano silicon dioxide, 3-5 parts of vinyl bis stearamide, 3-5 parts of cross-linking agent, 2-5 parts of chain extender, 1-3 parts of antioxidant, 5-8 parts of white carbon black, 6-8 parts of active agent, 7-9 parts of filler, 3-5 parts of nucleating agent, 0.5-1 part of reinforcing agent, 12-15 parts of carbon nano fiber, 0.8-1.2 parts of impact modifier, 0.5-0.7 part of flexibilizer, 7-9 parts of metal oxide powder and 10-12 parts of porous ceramic material.
Preferably, the composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.5-3.2: 1.1-1.7:2.1-2.5:2.7-3.8.
Preferably, the metal oxide powder is one or more of alumina powder, magnesia powder, titania powder and zirconia powder.
Preferably, the toughening agent is prepared from the following raw materials in parts by weight:
45-50 parts of ABS high rubber powder, 20-25 parts of pentaerythritol stearate, 10-15 parts of compatilizer, 5-7 parts of reinforcing agent, 4-6 parts of dispersing agent, 1-2 parts of polyhydroxy chemical coupling agent, 0.3-0.5 part of antioxidant, 2-4 parts of glycidyl methacrylate, 0.5-1 part of 2-hydroxyethyl acrylate, 0.3-0.5 part of initiator and 0.3-0.5 part of crosslinking inhibitor.
Preferably, the impact modifier is prepared from the following raw materials in parts by weight:
20-25 parts of acidified modified white soot, 25-30 parts of acetate fiber, 10-15 parts of polyoxyethylene abietate, 10-15 parts of pentaerythritol tetramercaptoacetate, 18-20 parts of ethyl acrylate, 15-20 parts of acrylic acid-2-ethyl-hexyl ester, 5-10 parts of sodium methyl silicate and 5-10 parts of sodium polymetaphylnaphthalene sulfonate.
Preferably, the porous ceramic material is prepared from the following raw materials in parts by weight:
25-30 parts of kaolin, 18-25 parts of diatomite dioxide, 15-18 parts of ceramic particles, 10-15 parts of nano alumina powder, 8-10 parts of nano cerium oxide, 8-10 parts of nano yttrium oxide, 5-7 parts of zirconium dioxide, 3-5 parts of modified cellulose, 3-5 parts of graphite carbon and 5-7 parts of polyvinyl alcohol solution.
Preferably, the adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
Preferably, the inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Compared with the prior art, the invention has the beneficial effects that:
1. the preparation method of the modified plastic composite material provided by the invention has the advantages of simple and feasible process, easily available raw materials, low price, low requirements on equipment and reaction conditions, and suitability for large-scale production;
2. the modified plastic composite material provided by the invention overcomes the problems of unstable quality, poor ageing resistance, easy ageing and cracking, poor wear resistance, poor flame retardant effect, low impact strength and the like of common plastic materials in the prior art, and has the characteristics of excellent ageing resistance, good wear resistance and oxidation resistance, good flame retardant effect and high strength;
3. the modified plastic composite material provided by the invention combines the advantages of polycondensate and addition polymer, enhances the toughness, and has excellent impact strength and molding processability; the proper amount of the carbon nano-fiber is beneficial to enhancing the strength and the hardness of the plastic material and improving the wear resistance and the heat resistance of the material.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A modified plastic composite material is prepared from the following raw materials in parts by weight:
20 parts of natural rubber, 15 parts of synthetic rubber, 15 parts of MBS resin, 15 parts of composition, 4 parts of titanate coupling agent, 15 parts of nano silicon dioxide, 3 parts of vinyl bis stearamide, 3 parts of cross-linking agent, 2 parts of chain extender, 1 part of antioxidant, 5 parts of white carbon black, 6 parts of active agent, 7 parts of filler, 3 parts of nucleating agent, 0.5 part of reinforcing agent, 12 parts of carbon nano fiber, 0.8 part of impact modifier, 0.5 part of toughening agent, 7 parts of metal oxide powder and 10 parts of porous ceramic material.
The composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.5: 1.1:2.1:2.7.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The toughening agent is prepared from the following raw materials in parts by weight:
45 parts of ABS high rubber powder, 20 parts of pentaerythritol stearate, 10 parts of compatilizer, 5 parts of reinforcing agent, 4 parts of dispersing agent, 1 part of polyhydroxy chemical coupling agent, 0.3 part of antioxidant, 2 parts of glycidyl methacrylate, 0.5 part of 2-hydroxyethyl acrylate, 0.3 part of initiator and 0.3 part of crosslinking inhibitor.
The impact modifier is prepared from the following raw materials in parts by weight:
20 parts of acidified modified white soot, 25 parts of acetate fiber, 10 parts of rosin acid polyoxyethylene ester, 10 parts of pentaerythritol tetramercapto acetate, 18 parts of ethyl acrylate, 15 parts of acrylic acid-2-ethyl-hexyl ester, 5 parts of sodium methyl silicate and 5 parts of sodium polymetaphylnaphthalene sulfonate.
The porous ceramic material is prepared from the following raw materials in parts by weight:
25 parts of kaolin, 18 parts of silicon diatomite dioxide, 15 parts of ceramic particles, 10 parts of nano alumina powder, 8 parts of nano cerium oxide, 8 parts of nano yttrium oxide, 5 parts of zirconium dioxide, 3 parts of modified cellulose, 3 parts of graphite carbon and 5 parts of polyvinyl alcohol solution.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Example 2
A modified plastic composite material is prepared from the following raw materials in parts by weight:
25 parts of natural rubber, 20 parts of synthetic rubber, 17 parts of MBS resin, 17 parts of composition, 5 parts of titanate coupling agent, 17 parts of nano silicon dioxide, 4 parts of vinyl bis stearamide, 4 parts of cross-linking agent, 3.5 parts of chain extender, 2 parts of antioxidant, 6.5 parts of white carbon black, 7 parts of active agent, 8 parts of filler, 4 parts of nucleating agent, 0.7 part of reinforcing agent, 13.5 parts of carbon nano fiber, 1 part of impact modifier, 0.6 part of toughening agent, 8 parts of metal oxide powder and 11 parts of porous ceramic material.
The composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.8: 1.4:2.3:3.2.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The toughening agent is prepared from the following raw materials in parts by weight:
47 parts of ABS high rubber powder, 22 parts of pentaerythritol stearate, 12.5 parts of compatilizer, 6 parts of reinforcing agent, 5 parts of dispersing agent, 1.5 parts of polyhydroxy chemical coupling agent, 0.4 part of antioxidant, 3 parts of glycidyl methacrylate, 0.7 part of 2-hydroxyethyl acrylate, 0.4 part of initiator and 0.4 part of crosslinking inhibitor.
The impact modifier is prepared from the following raw materials in parts by weight:
22 parts of acidified modified white soot, 27 parts of cellulose acetate, 12 parts of polyoxyethylene abietate, 12 parts of pentaerythritol tetramercapto acetate, 19 parts of ethyl acrylate, 17 parts of acrylic acid-2-ethyl-hexyl ester, 7 parts of sodium methylsilicate and 7 parts of sodium polymetaphylnaphthalene sulfonate.
The porous ceramic material is prepared from the following raw materials in parts by weight:
27 parts of kaolin, 21 parts of silicon dioxide diatomite, 16 parts of ceramic particles, 12 parts of nano alumina powder, 9 parts of nano cerium oxide, 9 parts of nano yttrium oxide, 6 parts of zirconium dioxide, 4 parts of modified cellulose, 4 parts of graphite carbon and 6 parts of polyvinyl alcohol solution.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Example 3
A modified plastic composite material is prepared from the following raw materials in parts by weight:
30 parts of natural rubber, 25 parts of synthetic rubber, 20 parts of MBS resin, 20 parts of composition, 6 parts of titanate coupling agent, 20 parts of nano silicon dioxide, 5 parts of vinyl bis stearamide, 5 parts of cross-linking agent, 5 parts of chain extender, 3 parts of antioxidant, 8 parts of white carbon black, 8 parts of active agent, 9 parts of filler, 5 parts of nucleating agent, 1 part of reinforcing agent, 15 parts of carbon nanofiber, 1.2 parts of impact modifier, 0.7 part of toughening agent, 9 parts of metal oxide powder and 12 parts of porous ceramic material.
The composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 3.2: 1.7:2.5:3.8.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The toughening agent is prepared from the following raw materials in parts by weight:
50 parts of ABS high-rubber powder, 25 parts of pentaerythritol stearate, 15 parts of compatilizer, 7 parts of reinforcing agent, 6 parts of dispersing agent, 2 parts of polyhydroxy chemical coupling agent, 0.5 part of antioxidant, 4 parts of glycidyl methacrylate, 1 part of 2-hydroxyethyl acrylate, 0.5 part of initiator and 0.5 part of crosslinking inhibitor.
The impact modifier is prepared from the following raw materials in parts by weight:
25 parts of acidified modified white soot, 30 parts of cellulose acetate, 15 parts of polyoxyethylene abietate, 15 parts of pentaerythritol tetramercapto acetate, 20 parts of ethyl acrylate, 20 parts of acrylic acid-2-ethyl-hexyl ester, 10 parts of sodium methyl silicate and 10 parts of sodium polymetaphylnaphthalene sulfonate.
The porous ceramic material is prepared from the following raw materials in parts by weight:
30 parts of kaolin, 25 parts of silicon diatomite dioxide, 18 parts of ceramic particles, 15 parts of nano alumina powder, 10 parts of nano cerium oxide, 10 parts of nano yttrium oxide, 7 parts of zirconium dioxide, 5 parts of modified cellulose, 5 parts of graphite carbon and 7 parts of polyvinyl alcohol solution.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Comparative example 1
A modified plastic composite material is prepared from the following raw materials in parts by weight:
20 parts of natural rubber, 15 parts of synthetic rubber, 15 parts of MBS resin, 4 parts of titanate coupling agent, 15 parts of nano silicon dioxide, 3 parts of vinyl bis stearamide, 3 parts of cross-linking agent, 2 parts of chain extender, 1 part of antioxidant, 5 parts of white carbon black, 6 parts of active agent, 7 parts of filler, 3 parts of nucleating agent, 0.5 part of reinforcing agent, 12 parts of carbon nano fiber, 0.8 part of impact modifier, 0.5 part of toughening agent, 7 parts of metal oxide powder and 10 parts of porous ceramic material.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The toughening agent is prepared from the following raw materials in parts by weight:
45 parts of ABS high rubber powder, 20 parts of pentaerythritol stearate, 10 parts of compatilizer, 5 parts of reinforcing agent, 4 parts of dispersing agent, 1 part of polyhydroxy chemical coupling agent, 0.3 part of antioxidant, 2 parts of glycidyl methacrylate, 0.5 part of 2-hydroxyethyl acrylate, 0.3 part of initiator and 0.3 part of crosslinking inhibitor.
The impact modifier is prepared from the following raw materials in parts by weight:
20 parts of acidified modified white soot, 25 parts of acetate fiber, 10 parts of rosin acid polyoxyethylene ester, 10 parts of pentaerythritol tetramercapto acetate, 18 parts of ethyl acrylate, 15 parts of acrylic acid-2-ethyl-hexyl ester, 5 parts of sodium methyl silicate and 5 parts of sodium polymetaphylnaphthalene sulfonate.
The porous ceramic material is prepared from the following raw materials in parts by weight:
25 parts of kaolin, 18 parts of silicon diatomite dioxide, 15 parts of ceramic particles, 10 parts of nano alumina powder, 8 parts of nano cerium oxide, 8 parts of nano yttrium oxide, 5 parts of zirconium dioxide, 3 parts of modified cellulose, 3 parts of graphite carbon and 5 parts of polyvinyl alcohol solution.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fibers, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Comparative example 2
A modified plastic composite material is prepared from the following raw materials in parts by weight:
20 parts of natural rubber, 15 parts of synthetic rubber, 15 parts of MBS resin, 15 parts of composition, 4 parts of titanate coupling agent, 15 parts of nano silicon dioxide, 3 parts of vinyl bis stearamide, 3 parts of cross-linking agent, 2 parts of chain extender, 1 part of antioxidant, 5 parts of white carbon black, 6 parts of active agent, 7 parts of filler, 3 parts of nucleating agent, 0.5 part of reinforcing agent, 0.8 part of impact modifier, 0.5 part of toughening agent, 7 parts of metal oxide powder and 10 parts of porous ceramic material.
The composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.5: 1.1:2.1:2.7.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The toughening agent is prepared from the following raw materials in parts by weight:
45 parts of ABS high rubber powder, 20 parts of pentaerythritol stearate, 10 parts of compatilizer, 5 parts of reinforcing agent, 4 parts of dispersing agent, 1 part of polyhydroxy chemical coupling agent, 0.3 part of antioxidant, 2 parts of glycidyl methacrylate, 0.5 part of 2-hydroxyethyl acrylate, 0.3 part of initiator and 0.3 part of crosslinking inhibitor.
The impact modifier is prepared from the following raw materials in parts by weight:
20 parts of acidified modified white soot, 25 parts of acetate fiber, 10 parts of rosin acid polyoxyethylene ester, 10 parts of pentaerythritol tetramercapto acetate, 18 parts of ethyl acrylate, 15 parts of acrylic acid-2-ethyl-hexyl ester, 5 parts of sodium methyl silicate and 5 parts of sodium polymetaphylnaphthalene sulfonate.
The porous ceramic material is prepared from the following raw materials in parts by weight:
25 parts of kaolin, 18 parts of silicon diatomite dioxide, 15 parts of ceramic particles, 10 parts of nano alumina powder, 8 parts of nano cerium oxide, 8 parts of nano yttrium oxide, 5 parts of zirconium dioxide, 3 parts of modified cellulose, 3 parts of graphite carbon and 5 parts of polyvinyl alcohol solution.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Comparative example 3
A modified plastic composite material is prepared from the following raw materials in parts by weight:
20 parts of natural rubber, 15 parts of synthetic rubber, 15 parts of MBS resin, 15 parts of composition, 4 parts of titanate coupling agent, 15 parts of nano silicon dioxide, 3 parts of vinyl bis stearamide, 3 parts of cross-linking agent, 2 parts of chain extender, 1 part of antioxidant, 5 parts of white carbon black, 6 parts of active agent, 7 parts of filler, 3 parts of nucleating agent, 0.5 part of reinforcing agent, 12 parts of carbon nano fiber, 0.5 part of toughening agent, 7 parts of metal oxide powder and 10 parts of porous ceramic material.
The composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.5: 1.1:2.1:2.7.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The toughening agent is prepared from the following raw materials in parts by weight:
45 parts of ABS high rubber powder, 20 parts of pentaerythritol stearate, 10 parts of compatilizer, 5 parts of reinforcing agent, 4 parts of dispersing agent, 1 part of polyhydroxy chemical coupling agent, 0.3 part of antioxidant, 2 parts of glycidyl methacrylate, 0.5 part of 2-hydroxyethyl acrylate, 0.3 part of initiator and 0.3 part of crosslinking inhibitor.
The porous ceramic material is prepared from the following raw materials in parts by weight:
25 parts of kaolin, 18 parts of silicon diatomite dioxide, 15 parts of ceramic particles, 10 parts of nano alumina powder, 8 parts of nano cerium oxide, 8 parts of nano yttrium oxide, 5 parts of zirconium dioxide, 3 parts of modified cellulose, 3 parts of graphite carbon and 5 parts of polyvinyl alcohol solution.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent and the toughening agent in parts by weight into a high-speed mixer, primarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Comparative example 4
A modified plastic composite material is prepared from the following raw materials in parts by weight:
20 parts of natural rubber, 15 parts of synthetic rubber, 15 parts of MBS resin, 15 parts of composition, 4 parts of titanate coupling agent, 15 parts of nano silicon dioxide, 3 parts of vinyl bis stearamide, 3 parts of cross-linking agent, 2 parts of chain extender, 1 part of antioxidant, 5 parts of white carbon black, 6 parts of active agent, 7 parts of filler, 3 parts of nucleating agent, 0.5 part of reinforcing agent, 12 parts of carbon nano fiber, 0.8 part of impact modifier, 7 parts of metal oxide powder and 10 parts of porous ceramic material.
The composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.5: 1.1:2.1:2.7.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The impact modifier is prepared from the following raw materials in parts by weight:
20 parts of acidified modified white soot, 25 parts of acetate fiber, 10 parts of rosin acid polyoxyethylene ester, 10 parts of pentaerythritol tetramercapto acetate, 18 parts of ethyl acrylate, 15 parts of acrylic acid-2-ethyl-hexyl ester, 5 parts of sodium methyl silicate and 5 parts of sodium polymetaphylnaphthalene sulfonate.
The porous ceramic material is prepared from the following raw materials in parts by weight:
25 parts of kaolin, 18 parts of silicon diatomite dioxide, 15 parts of ceramic particles, 10 parts of nano alumina powder, 8 parts of nano cerium oxide, 8 parts of nano yttrium oxide, 5 parts of zirconium dioxide, 3 parts of modified cellulose, 3 parts of graphite carbon and 5 parts of polyvinyl alcohol solution.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent and the impact modifier in parts by weight into a high-speed mixer, primarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
Comparative example 5
A modified plastic composite material is prepared from the following raw materials in parts by weight:
20 parts of natural rubber, 15 parts of synthetic rubber, 15 parts of MBS resin, 15 parts of composition, 4 parts of titanate coupling agent, 15 parts of nano silicon dioxide, 3 parts of vinyl bis stearamide, 3 parts of cross-linking agent, 2 parts of chain extender, 1 part of antioxidant, 5 parts of white carbon black, 6 parts of active agent, 7 parts of filler, 3 parts of nucleating agent, 0.5 part of reinforcing agent, 12 parts of carbon nano fiber, 0.8 part of impact modifier, 0.5 part of toughening agent and 7 parts of metal oxide powder.
The composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.5: 1.1:2.1:2.7.
The metal oxide powder is one or more of alumina powder, magnesia powder, titanium oxide powder and zirconia powder.
The toughening agent is prepared from the following raw materials in parts by weight:
45 parts of ABS high rubber powder, 20 parts of pentaerythritol stearate, 10 parts of compatilizer, 5 parts of reinforcing agent, 4 parts of dispersing agent, 1 part of polyhydroxy chemical coupling agent, 0.3 part of antioxidant, 2 parts of glycidyl methacrylate, 0.5 part of 2-hydroxyethyl acrylate, 0.3 part of initiator and 0.3 part of crosslinking inhibitor.
The impact modifier is prepared from the following raw materials in parts by weight:
20 parts of acidified modified white soot, 25 parts of acetate fiber, 10 parts of rosin acid polyoxyethylene ester, 10 parts of pentaerythritol tetramercapto acetate, 18 parts of ethyl acrylate, 15 parts of acrylic acid-2-ethyl-hexyl ester, 5 parts of sodium methyl silicate and 5 parts of sodium polymetaphylnaphthalene sulfonate.
The adding amount of the filler is 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
The inorganic heat-conducting filler is graphite with the particle size of 5-35um and subjected to surface insulation modification;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
The preparation method of the modified plastic composite material further comprises the following steps:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber and the metal oxide powder in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
The plastic composites prepared in examples 1 to 3 and comparative examples 1 to 5 were subjected to performance tests, which included: five aspects of tensile strength, bending strength, thermal deformation temperature, artificial weathering and sliding friction weight loss rate, and common plastic materials in the market are selected as a control group, and the test results are shown in table 1:
as can be seen from Table 1, the properties of the modified plastic composites prepared in examples 1-3 of the present invention are significant compared to those of comparative examples 1-5 and the control, and the properties of the modified plastic composite prepared in example 2 are the best.
Comparing the performance of the plastic material in the comparative example 1 with that of the modified plastic composite material in the example 1, the modified plastic composite material can be obtained, and the addition of the composition can effectively improve the impact strength of the modified plastic composite material and endow the modified plastic composite material with the processing and weather resistance;
comparing the performance of the plastic material in the comparative example 2 with that of the modified plastic composite material in the embodiment 1, the carbon nanofiber is added, so that the tensile strength and the thermal deformation temperature of the modified plastic composite material can be improved, and the service life can be effectively prolonged;
comparing the performance of the plastic material in the comparative example 3 with that of the modified plastic composite material in the embodiment 1, the plastic composite material can be obtained, and the sliding friction weight loss rate can be effectively reduced and the wear resistance and the chemical stability of the plastic composite material can be enhanced by adding the impact modifier;
comparing the performance of the plastic material in the comparative example 4 with that of the modified plastic composite material in the embodiment 1, the molecular weight of the modified plastic composite material is improved by adding the toughening agent, so that the strength and the hardness of the modified plastic composite material are enhanced, and the wear resistance and the heat resistance of the material are improved, so that the comprehensive performance of the plastic material is improved;
comparing the performance of the plastic material of the comparative example 5 with that of the modified plastic composite material of the example 1, the composite material can be obtained, and the composite material has the advantages of high temperature resistance, wear resistance, chemical corrosion resistance, mechanical strength enhancement and service life prolongation by adding the porous ceramic material.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The modified plastic composite material is characterized by being prepared from the following raw materials in parts by weight:
20-30 parts of natural rubber, 15-25 parts of synthetic rubber, 15-20 parts of MBS resin, 15-20 parts of composition, 4-6 parts of titanate coupling agent, 15-20 parts of nano silicon dioxide, 3-5 parts of vinyl bis stearamide, 3-5 parts of cross-linking agent, 2-5 parts of chain extender, 1-3 parts of antioxidant, 5-8 parts of white carbon black, 6-8 parts of active agent, 7-9 parts of filler, 3-5 parts of nucleating agent, 0.5-1 part of reinforcing agent, 12-15 parts of carbon nano fiber, 0.8-1.2 parts of impact modifier, 0.5-0.7 part of flexibilizer, 7-9 parts of metal oxide powder and 10-12 parts of porous ceramic material.
2. The modified plastic composite material of claim 1, wherein the composition is prepared by compounding the following raw materials:
hydrogenated styrene-butadiene block copolymers, ethylene-vinyl acetate copolymers, butadiene emulsions and graphene;
the mass ratio of the hydrogenated styrene-butadiene block copolymer, the ethylene-vinyl acetate copolymer, the butadiene emulsion and the graphene is 2.5-3.2: 1.1-1.7:2.1-2.5:2.7-3.8.
3. The modified plastic composite material of claim 1, wherein the metal oxide powder is one or more of alumina powder, magnesia powder, titania powder and zirconia powder.
4. The modified plastic composite material of claim 1, wherein the toughening agent is prepared from the following raw materials in parts by weight:
45-50 parts of ABS high rubber powder, 20-25 parts of pentaerythritol stearate, 10-15 parts of compatilizer, 5-7 parts of reinforcing agent, 4-6 parts of dispersing agent, 1-2 parts of polyhydroxy chemical coupling agent, 0.3-0.5 part of antioxidant, 2-4 parts of glycidyl methacrylate, 0.5-1 part of 2-hydroxyethyl acrylate, 0.3-0.5 part of initiator and 0.3-0.5 part of crosslinking inhibitor.
5. The modified plastic composite material of claim 1, wherein the impact modifier is prepared from the following raw materials in parts by weight:
20-25 parts of acidified modified white soot, 25-30 parts of acetate fiber, 10-15 parts of polyoxyethylene abietate, 10-15 parts of pentaerythritol tetramercaptoacetate, 18-20 parts of ethyl acrylate, 15-20 parts of acrylic acid-2-ethyl-hexyl ester, 5-10 parts of sodium methyl silicate and 5-10 parts of sodium polymetaphylnaphthalene sulfonate.
6. The modified plastic composite material of claim 1, wherein the porous ceramic material is prepared from the following raw materials in parts by weight:
25-30 parts of kaolin, 18-25 parts of diatomite dioxide, 15-18 parts of ceramic particles, 10-15 parts of nano alumina powder, 8-10 parts of nano cerium oxide, 8-10 parts of nano yttrium oxide, 5-7 parts of zirconium dioxide, 3-5 parts of modified cellulose, 3-5 parts of graphite carbon and 5-7 parts of polyvinyl alcohol solution.
7. The modified plastic composite material of claim 1, wherein the filler is added in an amount of 5-8% of the total amount of the raw materials, and the filler comprises inorganic heat-conducting filler and other combined fillers.
8. The modified plastic composite material of claim 1, wherein the inorganic heat conductive filler is graphite with a particle size of 5-35um and modified by surface insulation;
the other combined filler is one or the combination of more than two of magnesium oxide, aluminum oxide, boron nitride and aluminum nitride.
9. A method for preparing a modified plastic composite material, characterized in that the modified plastic composite material as claimed in any one of claims 1 to 8 is prepared, further comprising the steps of:
s1 primary mixing: adding the natural rubber, the synthetic rubber, the MBS resin, the composition, the nano silicon dioxide, the vinyl bis stearamide, the white carbon black, the filler, the carbon nano fiber, the metal oxide powder and the porous ceramic material in parts by weight into an internal mixer, firstly carrying out low-speed internal mixing for 4-5min, then adding the cross-linking agent, the chain extender and the antioxidant in parts by weight, and carrying out rapid internal mixing for 6-8min until the mixture is uniform;
s2 secondary mixing: adding the activator, the nucleating agent, the reinforcing agent, the impact modifier and the toughening agent in parts by weight into a high-speed mixer, preliminarily mixing for 4-5min, adding the titanate coupling agent in the formula amount for three times, and mixing for 7-9min until the titanate coupling agent is uniformly dispersed;
s3 mixing the materials for three times: adding the mixed material obtained in the step S2 into an internal mixer in the step S1, and then quickly mixing for 10-12min until the mixture is uniform;
s4 extrusion molding: and (4) adding the mixed material obtained in the step S3 into a double-screw extruder, and carrying out melt extrusion, cooling and dicing to obtain the modified plastic composite material.
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