CN118562221A - Wear-resistant antistatic plastic, preparation method thereof and application thereof in preparation of casters - Google Patents
Wear-resistant antistatic plastic, preparation method thereof and application thereof in preparation of casters Download PDFInfo
- Publication number
- CN118562221A CN118562221A CN202410719026.5A CN202410719026A CN118562221A CN 118562221 A CN118562221 A CN 118562221A CN 202410719026 A CN202410719026 A CN 202410719026A CN 118562221 A CN118562221 A CN 118562221A
- Authority
- CN
- China
- Prior art keywords
- wear
- resistant
- antistatic
- polysiloxane
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 42
- 229920003023 plastic Polymers 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- -1 acrylic ester Chemical class 0.000 claims abstract description 53
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 42
- 238000002156 mixing Methods 0.000 claims abstract description 40
- 229920001971 elastomer Polymers 0.000 claims abstract description 39
- 239000000806 elastomer Substances 0.000 claims abstract description 36
- 239000004793 Polystyrene Substances 0.000 claims abstract description 34
- 229920002223 polystyrene Polymers 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 21
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 19
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 19
- 238000007334 copolymerization reaction Methods 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000006229 carbon black Substances 0.000 claims abstract description 17
- 239000002216 antistatic agent Substances 0.000 claims abstract description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 15
- 229920002545 silicone oil Polymers 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- VPASWAQPISSKJP-UHFFFAOYSA-N ethyl prop-2-enoate;isocyanic acid Chemical compound N=C=O.CCOC(=O)C=C VPASWAQPISSKJP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003999 initiator Substances 0.000 claims abstract description 13
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- 238000001694 spray drying Methods 0.000 claims abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 claims description 8
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 5
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 5
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 5
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 claims description 2
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000004132 cross linking Methods 0.000 abstract description 4
- 238000007865 diluting Methods 0.000 abstract description 4
- 239000002861 polymer material Substances 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 239000004743 Polypropylene Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 9
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000178 monomer Substances 0.000 description 4
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive 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
- C08L2201/04—Antistatic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention belongs to the technical field of polymer materials, and particularly relates to wear-resistant antistatic plastic, a preparation method thereof and application thereof in preparation of casters. The preparation method comprises the following steps: and (3) reacting hydroxyl silicone oil with isocyanate ethyl acrylate to obtain an acrylic ester end-capped polysiloxane macromer solution, adding styrene, diluting organic solvent and initiator to react, spray-drying to obtain polysiloxane copolymerization cross-linked polystyrene elastomer powder, uniformly mixing the polysiloxane copolymerization cross-linked polystyrene elastomer powder with reinforcing agent white carbon black, antistatic agent and silane coupling agent, granulating to obtain wear-resistant antistatic reinforcing master batch, uniformly mixing the obtained reinforcing master batch with PP resin, extruding the obtained reinforcing master batch into a mold, and forming to obtain the wear-resistant antistatic plastic. The invention adopts polysiloxane copolymerization crosslinking polystyrene elastomer to blend and modify PP resin, which can obviously improve the elasticity and toughness of the PP resin, so that the PP resin has the advantages of high strength, wear resistance, static resistance, shock absorption and vibration resistance when being used for preparing casters.
Description
Technical Field
The invention belongs to the technical field of polymer materials, and particularly relates to wear-resistant antistatic plastic, a preparation method thereof and application thereof in preparation of casters.
Background
Casters are an indispensable part of daily life and industrial production, and the choice of materials has an important influence on performance and application fields.
Common raw materials for manufacturing casters include PP (polypropylene), PVC (polyvinyl chloride), PA (polyamide), PU (polyurethane), polyester, rubber, and the like. PP, PVC, PA has better hardness and wear resistance, but has poorer elasticity and shock absorption and shock resistance effects and larger noise; PU, polyester, rubber and the like have good anti-seismic and shock absorption functions, but have lower rigidity and limited bearing capacity.
In addition, in modern industrial production, in particular to electronic production, processing and flammable and explosive production places, the requirements on antistatic performance of the caster wheel are high. The above problems can be solved by adding an antistatic auxiliary agent. The patent CN 101475719B discloses an antistatic caster special material which comprises the following components in parts by weight: 100 parts of polypropylene, 22-28 parts of reinforcing agent, 3-7 parts of conductive agent, 0.3-0.5 part of lubricant, 8-14 parts of elastomer and 0.3-0.7 part of hindered phenol antioxidant. The antistatic effect is improved by adding the conductive agent, and the toughness is improved by adding the ethylene propylene diene monomer and/or the octene-ethylene elastomer. However, it requires the addition of a reinforcing agent for high content of glass fiber, carbon fiber or boron fiber to increase strength and abrasion resistance, which has an adverse effect on toughness, and the high content of carbon fiber or boron fiber has a high cost. The patent CN113801485A discloses an antistatic high wear-resistant castor material which comprises the following raw materials, by weight, 10-20% of a styrene elastomer, 20-30% of white oil, 5-10% of a maleic anhydride grafted polystyrene elastomer, 10-20% of powder rubber, 5-15% of poly alpha-methyl styrene resin, 10-20% of polypropylene, 10-20% of ultra-high molecular weight polyethylene, 5-10% of an antistatic auxiliary agent, 4-10% of an anti-wear agent, 0.5-2% of a lubricant and 0.5-1.5% of an antioxidant. Although the caster material can achieve good antistatic, wear-resistant, shock-resistant and shock-absorbing effects, the caster material has more raw material components, larger property difference and higher blending process requirement.
Disclosure of Invention
In view of the above drawbacks and shortcomings of the prior art, a primary object of the present invention is to provide a method for preparing a wear-resistant and antistatic plastic.
Another object of the present invention is to provide a wear-resistant and antistatic plastic prepared by the above method.
It is a further object of the present invention to provide the use of the above wear resistant antistatic plastic in caster preparation.
The invention aims at realizing the following technical scheme:
the preparation method of the wear-resistant antistatic plastic comprises the following preparation steps:
(1) Adding hydroxyl silicone oil and isocyanate ethyl acrylate into an organic solvent according to the molar ratio of 1:1.6-2, uniformly mixing, heating to 50-80 ℃ under the protection of N 2, and reacting to obtain an acrylic ester end-capped polysiloxane macromer solution;
(2) Adding styrene, diluted organic solvent and initiator into the acrylate end-capped polysiloxane macromer solution in the step (1), carrying out heat preservation reaction at 70-90 ℃ under the protection of N 2, and carrying out spray drying after the reaction is finished to obtain polysiloxane copolymerization crosslinked polystyrene elastomer powder;
(3) Uniformly mixing the polysiloxane copolymerization crosslinked polystyrene elastomer powder obtained in the step (2), reinforcing agent white carbon black, antistatic agent and silane coupling agent, and granulating to obtain wear-resistant antistatic reinforcing master batch;
(4) And (3) mixing the wear-resistant antistatic reinforced master batch obtained in the step (3) with PP resin uniformly, extruding the mixture into a die for molding, and obtaining the wear-resistant antistatic plastic.
Further, the molecular formula of the hydroxyl silicone oil in the step (1) is HO (CH 3)2SiO[Si(CH3)2O]nSi(CH3)2 OH, the average molecular weight of which is 500-5000 g/mol).
Further, the organic solvent in the step (1) and the diluted organic solvent in the step (2) are at least one of carbon tetrachloride, benzene and toluene; toluene is more preferred.
Further, the reaction time in the step (1) is 1 to 4 hours.
Further, the addition amount of the styrene in the step (2) is 3-6 times of the total mass of the hydroxyl silicone oil and the isocyanate ethyl acrylate.
Further, in the step (2), the initiator is azobisisobutyronitrile or benzoyl peroxide; the addition amount of the initiator is 0.05-2% of the mass of the styrene.
Further, the time of the heat preservation reaction in the step (2) is 4-10 h.
Further, the antistatic agent in the step (3) is at least one selected from conductive metal powder, alkyl quaternary ammonium salt, alkyl phosphate and alkyl sulfonate.
Further, the silane coupling agent in the step (3) is at least one selected from methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane and ethyltriethoxysilane.
Further, the addition amount of the reinforcing agent white carbon black in the step (3) is 5-30% of the mass of the polysiloxane crosslinked polystyrene elastomer powder; the addition amount of the antistatic agent is 2-10% of the mass of the polysiloxane crosslinked polystyrene elastomer powder; the addition amount of the silane coupling agent is 1-5% of the mass of the polysiloxane crosslinked polystyrene elastomer powder.
Further, in the step (4), the mass ratio of the wear-resistant antistatic reinforcing master batch to the PP resin is 5-30:100.
The synthesis of the acrylate-terminated polysiloxane macromer in the preparation method involves the following reaction formula:
the macromolecular monomer is used for carrying out copolymerization crosslinking modification on the styrene, and on one hand, the toughness of the polystyrene is improved by introducing flexible polysiloxane chains; on the other hand, the compatibility of the polysiloxane copolymerized crosslinked polystyrene elastomer, reinforcing agent white carbon black and silane coupling agent with PP resin can be obviously improved after the polysiloxane copolymerized crosslinked polystyrene elastomer, the reinforcing agent white carbon black and the silane coupling agent are mixed, and the strength, the wear resistance and the toughness of the obtained modified PP plastic are improved through the functions.
The wear-resistant antistatic plastic is prepared by the method.
The wear-resistant antistatic plastic is applied to the preparation of casters.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the PP resin is subjected to blending modification by adopting the polysiloxane copolymerization crosslinked polystyrene elastomer, so that the elasticity and toughness of the PP resin can be obviously improved, and the PP resin has the advantages of high strength, wear resistance, static resistance, shock absorption and vibration resistance when being used for preparing casters.
(2) According to the invention, the wear-resistant antistatic reinforced master batch is prepared by mixing polysiloxane copolymerization crosslinked polystyrene elastomer powder, reinforcing agent white carbon black, antistatic agent and silane coupling agent in advance, and then mixing the master batch with PP resin, so that the blending effect can be remarkably improved. The strength and the wear resistance of the obtained plastic are obviously improved through the combined action of the components.
(3) According to the invention, the acrylate-terminated polysiloxane macromer is adopted to carry out copolymerization crosslinking modification on styrene, so that the toughness of the modified PP plastic can be improved, the blending compatibility with PP resin can be improved, and finally the effects of improving the strength, the wear resistance and the toughness of the modified PP plastic can be achieved.
Detailed Description
The present invention will be described in further detail with reference to examples, but embodiments of the present invention are not limited thereto.
Example 1
The preparation method of the wear-resistant antistatic plastic comprises the following preparation steps:
(1) Adding hydroxyl silicone oil with the average molecular weight of 500g/mol and isocyanate ethyl acrylate into toluene solvent according to the molar ratio of 1:1.6, uniformly mixing, heating to about 70 ℃ under the protection of N 2, reacting for 1.5 hours, and detecting that the isocyanate group is completely reacted to obtain the acrylate-terminated polysiloxane macromer solution.
(2) Adding styrene, a diluted toluene solvent and an initiator azodiisobutyronitrile into the acrylate end-capped polysiloxane macromer solution in the step (1), wherein the adding amount of the styrene is 3 times of the total mass of the hydroxyl silicone oil and the isocyanate ethyl acrylate; diluting toluene solvent to make the concentration of polymerized monomer be 28 wt%, adding initiator azodiisobutyronitrile to be 0.8% of styrene mass, keeping the temperature at 80 deg.C under the protection of N 2 for reaction for 4h, pumping the reaction liquid into vacuum spray drier after reaction is completed, spray drying and pulverizing so as to obtain the invented polysiloxane copolymerized crosslinked polystyrene elastomer powder.
(3) Adding the polysiloxane copolymerization crosslinked polystyrene elastomer powder obtained in the step (2) and reinforcing agent white carbon black, antistatic agent conductive aluminum powder and silane coupling agent ethyltrimethoxy silane into a mixing mill according to the mass ratio of 100:20:5:3, mixing uniformly at 150-200 ℃, and granulating to obtain the wear-resistant antistatic reinforcing master batch.
(4) And (3) adding the wear-resistant antistatic reinforced master batch obtained in the step (3) and PP resin into a mixing mill according to the mass ratio of 20:100, mixing uniformly at 150-200 ℃, extruding the mixture into a die, and forming the mixture to obtain the wear-resistant antistatic plastic.
Example 2
The preparation method of the wear-resistant antistatic plastic comprises the following preparation steps:
(1) Adding hydroxyl silicone oil with the average molecular weight of 2200g/mol and isocyanate ethyl acrylate into a toluene solvent according to the molar ratio of 1:1.8, uniformly mixing, heating to about 70 ℃ under the protection of N 2, reacting for 2 hours, and detecting that the isocyanate group is completely reacted to obtain the acrylate-terminated polysiloxane macromer solution.
(2) Adding styrene, a diluted toluene solvent and an initiator azodiisobutyronitrile into the acrylate end-capped polysiloxane macromer solution in the step (1), wherein the addition amount of the styrene is 5 times of the total mass of the hydroxyl silicone oil and the isocyanate ethyl acrylate; diluting toluene solvent to make the concentration of polymerized monomer be 28 wt%, adding initiator azodiisobutyronitrile to be 0.5% of styrene mass, keeping the temperature at 80 deg.C under the protection of N 2 for reaction for 4h, pumping the reaction liquid into vacuum spray drier after reaction is completed, spray drying and pulverizing so as to obtain the invented polysiloxane copolymerized crosslinked polystyrene elastomer powder.
(3) Adding the polysiloxane copolymerization crosslinked polystyrene elastomer powder obtained in the step (2) and reinforcing agent white carbon black, antistatic agent conductive aluminum powder and silane coupling agent ethyltrimethoxy silane into a mixing mill according to the mass ratio of 100:20:5:3, mixing uniformly at 150-200 ℃, and granulating to obtain the wear-resistant antistatic reinforcing master batch.
(4) And (3) adding the wear-resistant antistatic reinforced master batch obtained in the step (3) and PP resin into a mixing mill according to the mass ratio of 20:100, mixing uniformly at 150-200 ℃, extruding the mixture into a die, and forming the mixture to obtain the wear-resistant antistatic plastic.
Example 3
The preparation method of the wear-resistant antistatic plastic comprises the following preparation steps:
(1) Adding hydroxyl silicone oil with average molecular weight of 4500g/mol and isocyanate ethyl acrylate into toluene solvent according to a molar ratio of 1:2, uniformly mixing, heating to about 70 ℃ under the protection of N 2, reacting for 2 hours, and detecting that the isocyanate group is completely reacted to obtain the acrylate-terminated polysiloxane macromer solution.
(2) Adding styrene, a diluted toluene solvent and an initiator benzoyl peroxide into the acrylate end-capped polysiloxane macromer solution in the step (1), wherein the addition amount of the styrene is 6 times of the total mass of the hydroxyl silicone oil and the isocyanate ethyl acrylate; diluting toluene solvent to make the concentration of polymerized monomer be 28 wt%, adding benzoyl peroxide as initiator to make the quantity of benzoyl peroxide be 1.0% of the mass of styrene, making reaction for 6 hr at 85 deg.C under the protection of N 2, after the reaction is completed, pumping the reaction solution into vacuum spray-drying machine to make spray-drying powder so as to obtain the invented polysiloxane copolymerized crosslinked polystyrene elastomer powder.
(3) Adding the polysiloxane copolymerization crosslinked polystyrene elastomer powder obtained in the step (2) and reinforcing agent white carbon black, antistatic agent conductive aluminum powder and silane coupling agent ethyltrimethoxy silane into a mixing mill according to the mass ratio of 100:20:5:3, mixing uniformly at 150-200 ℃, and granulating to obtain the wear-resistant antistatic reinforcing master batch.
(4) And (3) adding the wear-resistant antistatic reinforced master batch obtained in the step (3) and PP resin into a mixing mill according to the mass ratio of 20:100, mixing uniformly at 150-200 ℃, extruding the mixture into a die, and forming the mixture to obtain the wear-resistant antistatic plastic.
Comparative example 1
Compared with the preparation method of the abrasion-resistant antistatic plastic in the example 1, the addition amount of the styrene in the step (2) is reduced by 2 times of the total mass of the hydroxyl silicone oil and the isocyanate ethyl acrylate, and the rest is the same.
Comparative example 2
Compared with the preparation method of the abrasion-resistant antistatic plastic in the example 1, the addition amount of the styrene in the step (2) is increased by 7 times of the total mass of the hydroxyl silicone oil and the isocyanate ethyl acrylate, and the rest is the same.
Comparative example 3
The preparation method of the wear-resistant antistatic plastic comprises the following preparation steps:
Steps (1) to (2) are the same as in example 1.
(3) Adding the polysiloxane copolymerization crosslinked polystyrene elastomer powder obtained in the step (2), reinforcing agent white carbon black, antistatic agent conductive aluminum powder, silane coupling agent ethyltrimethoxy silane and PP resin into a mixing mill according to the mass ratio of 15.63:3.12:0.78:0.47:100, mixing uniformly at 150-200 ℃, extruding the mixture into a die, and forming to obtain the wear-resistant antistatic plastic.
Comparative example 4
Compared with the example 1, the preparation method of the wear-resistant antistatic plastic adopts a styrene-butadiene-styrene thermoplastic elastomer (SBS) to replace a polysiloxane copolymerization crosslinking polystyrene elastomer, and comprises the following specific preparation steps:
(1) Adding the styrene-butadiene-styrene thermoplastic elastomer, the reinforcing agent white carbon black, the antistatic agent conductive aluminum powder and the silane coupling agent ethyltrimethoxysilane into a mixing roll according to the mass ratio of 100:20:5:3, mixing uniformly at 150-200 ℃, and granulating to obtain the wear-resistant antistatic reinforcing master batch.
(2) Adding the wear-resistant antistatic reinforced master batch obtained in the step (1) and PP resin into a mixing mill according to the mass ratio of 20:100, mixing uniformly at 150-200 ℃, extruding the mixture into a die, and forming the mixture to obtain the wear-resistant antistatic plastic.
The abrasion-resistant and antistatic plastics obtained in the above examples and comparative examples were tested for hardness (Shore durometer), tensile strength (GB/T1040-2006), elongation at break (GB/T1040-2006), impact strength (GB/T1043-2008) and abrasion resistance (refer to ASTM D3702-2019, in terms of mass loss abrasion rate), and the results are shown in Table 1 below.
TABLE 1
As can be seen from the comparison of comparative example 1 with example 1, an excessively low proportion of the styrene segment in the silicone-copolymerized crosslinked polystyrene elastomer leads to a decrease in hardness, strength, toughness and an increase in wear rate, probably because an excessively low addition amount of styrene leads to a decrease in thermoplastic properties of the silicone-copolymerized crosslinked polystyrene elastomer, which results in a deterioration in kneading effect with reinforcing agents such as white carbon black, antistatic agent and silane coupling agent, and eventually in a deterioration in reinforcing effect. As can be seen from the comparison between comparative example 2 and example 1, the polysiloxane-copolymerized crosslinked polystyrene elastomer has an excessively high proportion of styrene segments, which can improve the hardness of the plastic, but has significantly reduced strength and toughness, and a somewhat increased wear rate. The reason for this may be that too low a proportion of polysiloxane segments results in insignificant toughness improvement effect, while too low a proportion of polysiloxane segments results in poor blending effect with reinforcing agent white carbon black and silane coupling agent, further results in poor blending effect of reinforcing masterbatch with PP resin, and finally results in poor reinforcing and toughening effect. As can be seen from the comparison result of the comparative example 3 and the example 1, the modification effect of directly mixing the polysiloxane-copolymerized crosslinked polystyrene elastomer powder with the PP resin is poor, the wear-resistant antistatic reinforced master batch is prepared by mixing the polysiloxane-copolymerized crosslinked polystyrene elastomer powder with reinforcing agent white carbon black, antistatic agent and silane coupling agent in advance, the mixing effect of the polysiloxane copolymerization crosslinked polystyrene elastomer and the PP resin is improved by utilizing good compatibility of the reinforcing agent white carbon black, the silane coupling agent and the polysiloxane copolymerization crosslinked polystyrene elastomer, so that the modification effect is improved. As can be seen from the comparison of comparative example 4 with example 1, the PP plastic toughened with conventional SBS is inferior in terms of strength, toughness and abrasion resistance to the present invention.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (10)
1. The preparation method of the wear-resistant antistatic plastic is characterized by comprising the following preparation steps:
(1) Adding hydroxyl silicone oil and isocyanate ethyl acrylate into an organic solvent according to the molar ratio of 1:1.6-2, uniformly mixing, heating to 50-80 ℃ under the protection of N 2, and reacting to obtain an acrylic ester end-capped polysiloxane macromer solution;
(2) Adding styrene, diluted organic solvent and initiator into the acrylate end-capped polysiloxane macromer solution in the step (1), carrying out heat preservation reaction at 70-90 ℃ under the protection of N 2, and carrying out spray drying after the reaction is finished to obtain polysiloxane copolymerization crosslinked polystyrene elastomer powder;
(3) Uniformly mixing the polysiloxane copolymerization crosslinked polystyrene elastomer powder obtained in the step (2), reinforcing agent white carbon black, antistatic agent and silane coupling agent, and granulating to obtain wear-resistant antistatic reinforcing master batch;
(4) And (3) mixing the wear-resistant antistatic reinforced master batch obtained in the step (3) with PP resin uniformly, extruding the mixture into a die for molding, and obtaining the wear-resistant antistatic plastic.
2. The method for preparing wear-resistant and antistatic plastic according to claim 1, wherein the molecular formula of the hydroxyl silicone oil in the step (1) is HO (CH 3)2SiO[Si(CH3)2O]nSi(CH3)2 OH, the average molecular weight of which is 500-5000 g/mol).
3. The method for preparing wear-resistant and antistatic plastic according to claim 1, wherein the organic solvent in the step (1) and the diluted organic solvent in the step (2) are at least one of carbon tetrachloride, benzene and toluene.
4. The method for preparing the wear-resistant and antistatic plastic according to claim 1, wherein the addition amount of the styrene in the step (2) is 3-6 times of the total mass of the hydroxyl silicone oil and the isocyanate ethyl acrylate.
5. The method for preparing abrasion-resistant and antistatic plastic according to claim 1, wherein the initiator in the step (2) is azobisisobutyronitrile or benzoyl peroxide; the addition amount of the initiator is 0.05-2% of the mass of the styrene.
6. The method for producing a wear-resistant and antistatic plastic according to claim 1, wherein the antistatic agent in the step (3) is at least one selected from the group consisting of conductive metal powder, alkyl quaternary ammonium salt, alkyl phosphate and alkyl sulfonate; the silane coupling agent is at least one selected from methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane and ethyltriethoxysilane.
7. The method for preparing wear-resistant and antistatic plastic according to claim 1, wherein the addition amount of the reinforcing agent white carbon black in the step (3) is 5% -30% of the mass of the polysiloxane crosslinked polystyrene elastomer powder; the addition amount of the antistatic agent is 2-10% of the mass of the polysiloxane crosslinked polystyrene elastomer powder; the addition amount of the silane coupling agent is 1-5% of the mass of the polysiloxane crosslinked polystyrene elastomer powder.
8. The method for preparing the wear-resistant and antistatic plastic according to claim 1, wherein the mass ratio of the wear-resistant and antistatic reinforcing master batch to the PP resin in the step (4) is 5-30:100.
9. A wear resistant antistatic plastic prepared by the method of any one of claims 1 to 8.
10. Use of a wear-resistant antistatic plastic according to claim 9 for the preparation of casters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410719026.5A CN118562221A (en) | 2024-06-05 | 2024-06-05 | Wear-resistant antistatic plastic, preparation method thereof and application thereof in preparation of casters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410719026.5A CN118562221A (en) | 2024-06-05 | 2024-06-05 | Wear-resistant antistatic plastic, preparation method thereof and application thereof in preparation of casters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118562221A true CN118562221A (en) | 2024-08-30 |
Family
ID=92467982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410719026.5A Pending CN118562221A (en) | 2024-06-05 | 2024-06-05 | Wear-resistant antistatic plastic, preparation method thereof and application thereof in preparation of casters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118562221A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070066766A1 (en) * | 2005-09-20 | 2007-03-22 | Shun-Liang Chen | Radiation-curable alkoxy silanized hyperbranched polyester acrylates and preparation thereof |
| CN103031046A (en) * | 2011-09-29 | 2013-04-10 | 上海正欧实业有限公司 | Novel organosilicone acrylic acid bi-component polyurethane coating and preparation method thereof |
| CN104108216A (en) * | 2014-07-04 | 2014-10-22 | 常州大学 | Method for modifying anti-reflection polyester film by adopting star-shaped copolymer |
| CN106700270A (en) * | 2016-12-02 | 2017-05-24 | 广州科苑新型材料有限公司 | Polypropylene composite material and preparation method thereof |
| CN113817270A (en) * | 2021-11-02 | 2021-12-21 | 常州瑞杰新材料科技有限公司 | Polypropylene composite material and preparation method thereof |
| CN114350099A (en) * | 2021-11-30 | 2022-04-15 | 徐州宸石材料科技有限公司 | SiO (silicon dioxide)2Modified polystyrene high impact plastic packaging box and preparation method thereof |
| CN117186550A (en) * | 2023-10-25 | 2023-12-08 | 广东昊威新材料科技有限公司 | Anti-aging PP flame-retardant plate and preparation method thereof |
-
2024
- 2024-06-05 CN CN202410719026.5A patent/CN118562221A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070066766A1 (en) * | 2005-09-20 | 2007-03-22 | Shun-Liang Chen | Radiation-curable alkoxy silanized hyperbranched polyester acrylates and preparation thereof |
| CN103031046A (en) * | 2011-09-29 | 2013-04-10 | 上海正欧实业有限公司 | Novel organosilicone acrylic acid bi-component polyurethane coating and preparation method thereof |
| CN104108216A (en) * | 2014-07-04 | 2014-10-22 | 常州大学 | Method for modifying anti-reflection polyester film by adopting star-shaped copolymer |
| CN106700270A (en) * | 2016-12-02 | 2017-05-24 | 广州科苑新型材料有限公司 | Polypropylene composite material and preparation method thereof |
| CN113817270A (en) * | 2021-11-02 | 2021-12-21 | 常州瑞杰新材料科技有限公司 | Polypropylene composite material and preparation method thereof |
| CN114350099A (en) * | 2021-11-30 | 2022-04-15 | 徐州宸石材料科技有限公司 | SiO (silicon dioxide)2Modified polystyrene high impact plastic packaging box and preparation method thereof |
| CN117186550A (en) * | 2023-10-25 | 2023-12-08 | 广东昊威新材料科技有限公司 | Anti-aging PP flame-retardant plate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6057397A (en) | Rubber composition and process for preparing the same | |
| CA1135895A (en) | Polybutadiene rubber compositions | |
| EP0496947B1 (en) | Method for producing solid golf balls | |
| WO1997019966A1 (en) | Diene rubber | |
| CN110041705A (en) | A kind of silicone master batch and preparation method thereof of high silicone content | |
| CN110627983A (en) | Low-density high-strength high-yellow-resistance TPU (thermoplastic polyurethane) for shoe sole and preparation method thereof | |
| CN106496911B (en) | Artificial grass wear-resistant functional master batch, and preparation method and application thereof | |
| CN112646355A (en) | High-strength wear-resistant thermoplastic polyurethane elastomer and preparation method thereof | |
| CN103694437A (en) | Polyether/phthalic anhydride hybrid pouring type polyurethane elastomer and application thereof | |
| CN112194771A (en) | High-resilience casting type polyurethane elastomer | |
| CN113308207B (en) | Water-repellent TPU hot melt adhesive film and preparation method thereof | |
| CN118562221A (en) | Wear-resistant antistatic plastic, preparation method thereof and application thereof in preparation of casters | |
| CA1222340A (en) | Faster curing epihalodydrin copolymer compositions | |
| CN114805736A (en) | Polyurethane elastomer composite material and preparation method thereof | |
| CN111875768B (en) | Preparation method of polyurethane elastomer with low resilience and low compression permanent deformation | |
| CN117866444A (en) | Abrasion-resistant and tear-resistant silicone rubber and preparation method thereof | |
| CN117487339A (en) | High-strength wear-resistant shoe material and preparation method thereof | |
| CN111647221A (en) | EVA anti-cracking sole and preparation process thereof | |
| KR20140039058A (en) | Filled elastomer comprising polyurethane | |
| CN113354882A (en) | Water-meeting anti-slip TPU (thermoplastic polyurethane) film material and preparation method thereof | |
| US3679627A (en) | Hydroxylated alpha-olefin/non-conjugated diene polymer | |
| KR100437689B1 (en) | Tread Rubber Composition | |
| KR100275027B1 (en) | Polybuthylenetelephthalate resin composition | |
| JP2627772B2 (en) | Rubber composition with good flex resistance | |
| KR20020084991A (en) | Apex rubber composition for radial tire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |