CN105238009B - A kind of high-strength abrasion-proof oil resistant polyurethane elastomer - Google Patents
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer Download PDFInfo
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- CN105238009B CN105238009B CN201510654521.3A CN201510654521A CN105238009B CN 105238009 B CN105238009 B CN 105238009B CN 201510654521 A CN201510654521 A CN 201510654521A CN 105238009 B CN105238009 B CN 105238009B
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Abstract
The invention discloses a kind of high-strength abrasion-proof oil resistant polyurethane elastomer, its raw material includes by weight：120 parts of ethylene vinyl acetate EVM80, 60 90 parts of PCDL, 10 30 parts of dioctyl azelate, 5 15 parts of ethoxylated alkylphenol ammonium sulfate, 28 parts of toluene di-isocyanate(TDI), 36 parts of calcium propionate, 15 parts of gas-phase silica, 28 parts of attapulgite, 39 parts of calcium oxide, 25 parts of bis-phenol a diglycidyl ethers, 16 parts of octyl epoxy stearate, 35 parts of compounded mix, 24 parts of anti-friction composition, 14 parts of vulcanizing agent, 26 parts of antioxidant, 18 parts of crosslinking coagent, 26 parts of accelerator, 37 parts of chain extender.High-strength abrasion-proof oil resistant polyurethane elastomer intensity of the present invention is high, and wear-resisting and oil resistance is excellent.
Description
Technical field
The present invention relates to polyurethane material field, more particularly to a kind of high-strength abrasion-proof oil resistant polyurethane elastomer.
Background technology
Polyurethane is a kind of high molecular synthetic material of function admirable, not only the elasticity with rubber but also has had the hardness of plastics,
But also there is good mechanical performance, anti-wear performance and rebound performance, it can be used to make roller-skates using its these advantages
Wheel.Although the high resilience wheel material elasticity and wearability of PolyTHF system are good, production cost is high and is not easy to the whole people
Promote.And cheap common EU elastomehc impact resilience is all below 50%, wearability and oil resistivity
Difference, low intensity.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of high-strength abrasion-proof oil resistant elastic polyurethane
Body, intensity is high, and wear-resisting and oil resistance is excellent.
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer proposed by the present invention, its raw material include by weight：Ethene vinegar
Vinyl acetate EVM80-120 parts, PCDL 60-90 parts, dioctyl azelate 10-30 parts, ethoxylated alkylphenol
Ammonium sulfate 5-15 parts, toluene di-isocyanate(TDI) 2-8 parts, calcium propionate 3-6 parts, gas-phase silica 1-5 parts, attapulgite 2-8 parts, oxygen
Change calcium 3-9 parts, bis-phenol a diglycidyl ether 2-5 parts, octyl epoxy stearate 1-6 parts, compounded mix 3-5 parts, anti-friction composition 2-4
Part, vulcanizing agent 1-4 parts, antioxidant 2-6 parts, crosslinking coagent 1-8 parts, accelerator 2-6 parts, chain extender 3-7 parts.
Preferably, the mass content of vinylacetate is 80-90% in ethylene vinyl acetate EVM.
Preferably, compounded mix is prepared by following technique：Polypropylene and montmorillonite are well mixed, are heated to 450-
500 DEG C, 10-20min is incubated, is cooled to normal temperature, then added polytetrafluoroethylene (PTFE) ball milling 8-16min, obtain material a；By lightweight carbon
Sour calcium and aluminium dihydrogen phosphate are well mixed, and are heated to 70-90 DEG C, are incubated 5-15min, are then added pentaerythritol triacrylate
Stirring obtains material b to normal temperature, is then well mixed material a and material b, dries, and grinding, is cooled to room temperature and obtains compound fill out
Material.
Preferably, in the preparation technology of compounded mix, polypropylene, montmorillonite, polytetrafluoroethylene (PTFE), precipitated calcium carbonate, phosphoric acid
The weight of aluminum dihydrogen and pentaerythritol triacrylate ratio is 2-9：1-5：3-8：4-9：3-4：2-5.
Preferably, anti-friction composition is methyl-silicone oil, fluorine carbon emulsion and atoleine by weight 2-6：1-3：3-5 mix and
Into.
Preferably, vulcanizing agent is one in sulphur, peroxide vulcanizing agent, silane containing hydrogen vulcanizing agent, resin curing agent
Kind.
Preferably, antioxidant is one or both of antioxidant 1010, antioxidant 4010, antioxidant 4020 above group
Compound.
Preferably, crosslinking coagent is triallylcyanurate, Triallyl isocyanurate, paraquinonedioxime, curing
One or both of tetra methylthiuram, alkylation trien thiuram-disulfide combination of the above thing.
Preferably, accelerator is cumyl peroxide or 1,3- di-tert-butyl cumyl peroxide.
Preferably, chain extender 4,4 '-diaminourea -3,3 '-dichloro-diphenyl methane, 3,5- dimethythiotoluene diamines and
One or more kinds of compositions in diethyl toluene diamine.
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer of the present invention, its raw material include ethylene vinyl acetate
EVM, PCDL, dioctyl azelate, ethoxylated alkylphenol ammonium sulfate, toluene di-isocyanate(TDI), calcium propionate, gas
Phase white carbon, attapulgite, calcium oxide, bis-phenol a diglycidyl ethers, octyl epoxy stearate, compounded mix, anti-friction composition, sulphur
Agent, antioxidant, crosslinking coagent, accelerator and chain extender, wherein using ethylene vinyl acetate EVM as major ingredient, auxiliary addition
PCDL, dioctyl azelate, ethoxylated alkylphenol ammonium sulfate and toluene di-isocyanate(TDI) are ethylene vinyl acetate second
Alkene ester EVM adjunct, by rationally controlling proportioning, effectively increase ethylene vinyl acetate EVM intensity, wearability
And oil resistivity；Calcium propionate, gas-phase silica, attapulgite and the calcium oxide of addition effectively increase institute of the present invention as filler
State the intensity of high-strength abrasion-proof oil resistant polyurethane elastomer, it is the bis-phenol a diglycidyl ethers of addition, octyl epoxy stearate, multiple
Filler, anti-friction composition, vulcanizing agent, antioxidant, crosslinking coagent, accelerator and chain extender are closed as auxiliary agent, effectively increases this hair
The oil resistance and anti-wear performance of the bright high-strength abrasion-proof oil resistant polyurethane elastomer.
Embodiment
The present invention is described in detail with reference to specific embodiment, it should be appreciated that embodiment is served only for illustrating this hair
It is bright, rather than for limiting the invention, any modification made on the basis of the present invention, equivalent substitution etc. are in this hair
In bright protection domain.
In embodiment, ethylene vinyl acetate EVM parts by weight can be 80 parts, 85 parts, 90 parts, 95 parts, 100
Part, 105 parts, 110 parts, 115 parts, 120 parts；The parts by weight of PCDL can be 60 parts, 65 parts, 70 parts, 75 parts, 80
Part, 85 parts, 90 parts；The parts by weight of dioctyl azelate can be 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, 28
Part, 30 parts；The parts by weight of ethoxylated alkylphenol ammonium sulfate can be 5-15 parts；The parts by weight of toluene di-isocyanate(TDI) can be
2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；The parts by weight of calcium propionate can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5
Part, 6 parts, 6.5 parts, 6 parts；The parts by weight of gas-phase silica can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts,
4.5 parts, 5 parts；The parts by weight of attapulgite can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；The parts by weight of calcium oxide can
Think 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts；The parts by weight of bis-phenol a diglycidyl ethers can be 2 parts, 2.5 parts, 3 parts,
3.5 parts, 4 parts, 4.5 parts, 5 parts；The parts by weight of octyl epoxy stearate can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5
Part, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts；The parts by weight of compounded mix can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts；Anti-attrition
The parts by weight of agent can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts；The parts by weight of vulcanizing agent can be 1 part, 1.5 parts, 2 parts, 2.5
Part, 3 parts, 3.5 parts, 4 parts；The parts by weight of antioxidant can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts；The parts by weight of crosslinking coagent can
Think 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8
Part；The parts by weight of accelerator can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts；The parts by weight of chain extender can be 3 parts, 4 parts, 5 parts, 6
Part, 7 parts.
Embodiment 1
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer proposed by the present invention, its raw material include by weight：Ethene vinegar
Vinyl acetate EVM100 parts, 75 parts of PCDL, 20 parts of dioctyl azelate, ethoxylated alkylphenol ammonium sulfate 10
Part, 5 parts of toluene di-isocyanate(TDI), 4.5 parts of calcium propionate, 3 parts of gas-phase silica, 5 parts of attapulgite, 6 parts of calcium oxide, bis-phenol a bis-
3.5 parts of glycidol ether, 3.5 parts of octyl epoxy stearate, 4 parts of compounded mix, 3 parts of anti-friction composition, 2.5 parts of sulphur, antioxidant
10104 parts, 4.5 parts of triallylcyanurate, 4 parts of cumyl peroxide, 4,4 '-diaminourea -3,3 '-dichlorophenyl first
5 parts of alkane.
Wherein, the mass content of vinylacetate is 85% in ethylene vinyl acetate EVM.
Compounded mix is prepared by following technique：5.5 parts of polypropylene and 3 parts of montmorillonites are well mixed by weight,
475 DEG C are heated to, 15min is incubated, is cooled to normal temperature, 5.5 parts of polytetrafluoroethylene (PTFE) ball milling 12min is then added, obtains material a；Will
6.5 parts of precipitated calcium carbonates and 3.5 parts of aluminium dihydrogen phosphates are well mixed, and are heated to 80 DEG C, are incubated 10min, then add 3.5 parts of seasons
Penta tetrol triacrylate, which is stirred to normal temperature, obtains material b, is then well mixed material a and material b, dries, and grinds, cooling
Compounded mix is obtained to room temperature.
Wherein, anti-friction composition is methyl-silicone oil, fluorine carbon emulsion and atoleine by weight 4：2：4 mix.
Embodiment 2
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer proposed by the present invention, its raw material include by weight：Ethene vinegar
Vinyl acetate EVM80 parts, 90 parts of PCDL, 10 parts of dioctyl azelate, 15 parts of ethoxylated alkylphenol ammonium sulfate,
2 parts of toluene di-isocyanate(TDI), 6 parts of calcium propionate, 1 part of gas-phase silica, 8 parts of attapulgite, 3 parts of calcium oxide, bis-phenol a bis- shrink sweet
Oily 5 parts of ether, 1 part of octyl epoxy stearate, 5 parts of compounded mix, 2 parts of anti-friction composition, 4 parts of peroxide vulcanizing agent, antioxidant 40102
Part, 8 parts of Triallyl isocyanurate, 2 parts of 1,3- di-tert-butyls cumyl peroxide, 3,5- dimethythiotoluene diamines 7
Part.
Wherein, the mass content of vinylacetate is 80% in ethylene vinyl acetate EVM.
Compounded mix is prepared by following technique：2 parts of polypropylene and 5 parts of montmorillonites are well mixed by weight, added
Heat is incubated 20min, is cooled to normal temperature to 450 DEG C, then adds 3 parts of polytetrafluoroethylene (PTFE) ball milling 16min, obtains material a；It is light by 4 parts
Matter calcium carbonate and 4 parts of aluminium dihydrogen phosphates are well mixed, and are heated to 70 DEG C, are incubated 15min, then add 2 parts of pentaerythrites 3 third
Olefin(e) acid ester stirs to normal temperature and obtains material b, is then well mixed material a and material b, dries, and grinding, is cooled to room temperature and obtains
Compounded mix.
Wherein, anti-friction composition is methyl-silicone oil, fluorine carbon emulsion and atoleine by weight 2：3：3 mix.
Embodiment 3
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer proposed by the present invention, its raw material include by weight：Ethene vinegar
Vinyl acetate EVM120 parts, 60 parts of PCDL, 30 parts of dioctyl azelate, 5 parts of ethoxylated alkylphenol ammonium sulfate,
8 parts of toluene di-isocyanate(TDI), 3 parts of calcium propionate, 5 parts of gas-phase silica, 2 parts of attapulgite, 9 parts of calcium oxide, bis-phenol a bis- shrink sweet
Oily 2 parts of ether, 6 parts of octyl epoxy stearate, 3 parts of compounded mix, 4 parts of anti-friction composition, 1 part of silane containing hydrogen vulcanizing agent, antioxidant 40206
Part, 1 part of paraquinonedioxime, 6 parts of cumyl peroxide, 4,4 '-diaminourea -3,3 parts of 3 '-dichloro-diphenyl methane.
Wherein, the mass content of vinylacetate is 90% in ethylene vinyl acetate EVM.
Compounded mix is prepared by following technique：9 parts of polypropylene and 1 part of montmorillonite are well mixed by weight, added
Heat is incubated 10min, is cooled to normal temperature to 500 DEG C, then adds 8 parts of polytetrafluoroethylene (PTFE) ball milling 8min, obtains material a；It is light by 9 parts
Matter calcium carbonate and 3 parts of aluminium dihydrogen phosphates are well mixed, and are heated to 90 DEG C, are incubated 5min, then add 5 parts of propylene of pentaerythrite three
Acid esters stirs to normal temperature and obtains material b, is then well mixed material a and material b, dries, and grinding, is cooled to room temperature and is answered
Close filler.
Wherein, anti-friction composition is methyl-silicone oil, fluorine carbon emulsion and atoleine by weight 6：1：5 mix.
Embodiment 4
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer proposed by the present invention, its raw material include by weight：Ethene vinegar
Vinyl acetate EVM85 parts, 85 parts of PCDL, 15 parts of dioctyl azelate, 12 parts of ethoxylated alkylphenol ammonium sulfate,
3 parts of toluene di-isocyanate(TDI), 5 parts of calcium propionate, 2 parts of gas-phase silica, 7 parts of attapulgite, 4 parts of calcium oxide, bis-phenol a bis- shrink sweet
Oily 4 parts of ether, 2 parts of octyl epoxy stearate, 4.5 parts of compounded mix, 2.5 parts of anti-friction composition, 3 parts of silane containing hydrogen vulcanizing agent, antioxidant
40203 parts, 7 parts of tetramethylthiuram disulfide, 3 parts of cumyl peroxide, 6 parts of 3,5- dimethythiotoluene diamines.
Wherein, the mass content of vinylacetate is 82% in ethylene vinyl acetate EVM.
Compounded mix is prepared by following technique：3 parts of polypropylene and 4 parts of montmorillonites are well mixed by weight, added
Heat is incubated 18min, is cooled to normal temperature to 460 DEG C, then adds 4 parts of polytetrafluoroethylene (PTFE) ball milling 14min, obtains material a；It is light by 5 parts
Matter calcium carbonate and 3.8 parts of aluminium dihydrogen phosphates are well mixed, and are heated to 75 DEG C, are incubated 12min, then add 3 parts of pentaerythrites three
Acrylate stirs to normal temperature and obtains material b, is then well mixed material a and material b, dries, and grinding, is cooled to room temperature and obtains
To compounded mix.
Wherein, anti-friction composition is methyl-silicone oil, fluorine carbon emulsion and atoleine by weight 3：2.5：3.5 mix.
Embodiment 5
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer proposed by the present invention, its raw material include by weight：Ethene vinegar
Vinyl acetate EVM115 parts, 65 parts of PCDL, 25 parts of dioctyl azelate, 8 parts of ethoxylated alkylphenol ammonium sulfate,
7 parts of toluene di-isocyanate(TDI), 4 parts of calcium propionate, 4 parts of gas-phase silica, 3 parts of attapulgite, 8 parts of calcium oxide, bis-phenol a bis- shrink sweet
Oily 3 parts of ether, 5 parts of octyl epoxy stearate, 3.5 parts of compounded mix, 3.5 parts of anti-friction composition, 2 parts of resin curing agent, antioxidant
10105 parts, 2 parts of alkylation trien thiuram-disulfide, 5 parts of 1,3- di-tert-butyls cumyl peroxide, diethyl
4 parts of base toluenediamine.
Wherein, the mass content of vinylacetate is 88% in ethylene vinyl acetate EVM.
Compounded mix is prepared by following technique：8 parts of polypropylene and 2 parts of montmorillonites are well mixed by weight, added
Heat is incubated 12min, is cooled to normal temperature to 490 DEG C, then adds 7 parts of polytetrafluoroethylene (PTFE) ball milling 10min, obtains material a；It is light by 8 parts
Matter calcium carbonate and 3.2 parts of aluminium dihydrogen phosphates are well mixed, and are heated to 85 DEG C, are incubated 8min, then add 4 parts of pentaerythrites 3 third
Olefin(e) acid ester stirs to normal temperature and obtains material b, is then well mixed material a and material b, dries, and grinding, is cooled to room temperature and obtains
Compounded mix.
Wherein, anti-friction composition is methyl-silicone oil, fluorine carbon emulsion and atoleine by weight 5：1.5：4.5 mix.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (9)
1. a kind of high-strength abrasion-proof oil resistant polyurethane elastomer, it is characterised in that its raw material includes by weight：Ethylene vinyl acetate second
Alkene ester EVM80-120 parts, PCDL 60-90 parts, dioctyl azelate 10-30 parts, ethoxylated alkylphenol sulfuric acid
Ammonium 5-15 parts, toluene di-isocyanate(TDI) 2-8 parts, calcium propionate 3-6 parts, gas-phase silica 1-5 parts, attapulgite 2-8 parts, calcium oxide
3-9 parts, bis-phenol a diglycidyl ether 2-5 parts, octyl epoxy stearate 1-6 parts, compounded mix 3-5 parts, anti-friction composition 2-4 parts, sulphur
Agent 1-4 parts, antioxidant 2-6 parts, crosslinking coagent 1-8 parts, accelerator 2-6 parts, chain extender 3-7 parts；
Anti-friction composition is methyl-silicone oil, fluorine carbon emulsion and atoleine by weight 2-6：1-3：3-5 is mixed.
2. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1, it is characterised in that ethylene vinyl acetate
The mass content of vinylacetate is 80-90% in EVM.
3. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1 or 2, it is characterised in that compounded mix is pressed
It is prepared by following technique：Polypropylene and montmorillonite are well mixed, are heated to 450-500 DEG C, 10-20min is incubated, is cooled to
Normal temperature, polytetrafluoroethylene (PTFE) ball milling 8-16min is then added, obtains material a；Precipitated calcium carbonate and aluminium dihydrogen phosphate are well mixed,
70-90 DEG C is heated to, is incubated 5-15min, then addition pentaerythritol triacrylate, which is stirred to normal temperature, obtains material b, then
Material a and material b are well mixed, dried, grinding, room temperature is cooled to and obtains compounded mix.
4. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 3, it is characterised in that the preparation of compounded mix
In technique, polypropylene, montmorillonite, polytetrafluoroethylene (PTFE), precipitated calcium carbonate, the weight of aluminium dihydrogen phosphate and pentaerythritol triacrylate
It is 2-9 to measure ratio：1-5：3-8：4-9：3-4：2-5.
5. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1 or 2, it is characterised in that vulcanizing agent is sulphur
One kind in sulphur, peroxide vulcanizing agent, silane containing hydrogen vulcanizing agent, resin curing agent.
6. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1 or 2, it is characterised in that antioxidant is
One or both of antioxidant 1010, antioxidant 4010, antioxidant 4020 combination of the above thing.
7. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1 or 2, it is characterised in that crosslinking coagent is
Triallylcyanurate, Triallyl isocyanurate, paraquinonedioxime, tetramethylthiuram disulfide, alkylation Sanya second
One or both of urotropine thiuram-disulfide combination of the above thing.
8. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1 or 2, it is characterised in that accelerator was
Aoxidize diisopropylbenzene (DIPB) or 1,3- di-tert-butyl cumyl peroxides.
9. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1 or 2, it is characterised in that chain extender 4,
4 '-diaminourea -3, it is a kind of in 3 '-dichloro-diphenyl methane, 3,5- dimethythiotoluene diamines and diethyl toluene diamine or two
Kind combination of the above thing.
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| CN105542434A (en) * | 2016-01-21 | 2016-05-04 | 苏州法斯特信息科技有限公司 | PU/EVA composite plastic material and preparation method thereof |
| CN105670274B (en) * | 2016-01-22 | 2018-04-13 | 华南理工大学 | A kind of polyurethane elastomer and preparation method and purposes as counterweight guide shoe base liner |
| CN106008879A (en) * | 2016-06-23 | 2016-10-12 | 无锡市金五星针纺有限公司 | Polyurethane elastomer with high wear resistance and corrosion resistance and preparation method of polyurethane elastomer |
| CN106519643A (en) * | 2016-12-29 | 2017-03-22 | 安徽浩丰特种电子材料有限公司 | High-strength heat-resistant corrosion-resistant polyurethane board and preparation method thereof |
| CN109206584A (en) * | 2018-09-11 | 2019-01-15 | 界首永恩机电科技有限公司 | A kind of flame-proof environmental protection polyurethane elastomer |
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| CN1441003A (en) * | 2003-04-03 | 2003-09-10 | 阎俊龙 | Thermoplastic elastomer and its production process |
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| CN1441003A (en) * | 2003-04-03 | 2003-09-10 | 阎俊龙 | Thermoplastic elastomer and its production process |
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