CN105238009A - High-strength wear-resistant oil-resistant polyurethane elastomer - Google Patents
High-strength wear-resistant oil-resistant polyurethane elastomer Download PDFInfo
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- CN105238009A CN105238009A CN201510654521.3A CN201510654521A CN105238009A CN 105238009 A CN105238009 A CN 105238009A CN 201510654521 A CN201510654521 A CN 201510654521A CN 105238009 A CN105238009 A CN 105238009A
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Abstract
The invention discloses a high-strength wear-resistant oil-resistant polyurethane elastomer comprising the raw materials in parts by weight: 80-120 parts of ethylene vinyl acetate EVM, 60-90 parts of polycarbonate glycol, 10-30 parts of dioctyl azelate, 5-15 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 2-8 parts of toluene diisocyanate, 3-6 parts of calcium propionate, 1-5 parts of fumed silica, 2-8 parts of attapulgite, 3-9 parts of calcium oxide, 2-5 parts of bisphenol A diglycidyl ether, 1-6 parts of octyl epoxy stearate, 3-5 parts of a composite packing, 2-4 parts of an antifriction agent, 1-4 parts of a vulcanizing agent, 2-6 parts of an antioxidant, 1-8 parts of a crosslinking auxiliary agent, 2-6 parts of an accelerant, and 3-7 parts of a chain extender. The high-strength wear-resistant oil-resistant polyurethane elastomer has the advantages of high strength, and excellent wear resistance and oil resistance.
Description
Technical field
The present invention relates to polyurethane material field, particularly relate to a kind of high-strength abrasion-proof oil resistant polyurethane elastomer.
Background technology
Urethane is a kind of high molecular synthetic material of excellent property, not only has the elasticity of rubber but also have the hardness of plastics, but also have good mechanical property, wear resisting property and rebound performance, utilizes its these advantages to can be used to make the wheel of roller-skates.Although material elasticity is taken turns in the high resilience of polytetrahydrofuran system and wear resistance is good, production cost is high and be not easy to whole people's popularization.And cheap common polyether(poly)urethane elastomehc impact resilience is all below 50%, wear resistance and oil-proofness poor, intensity is low.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of high-strength abrasion-proof oil resistant polyurethane elastomer, and intensity is high, wear-resisting and oil resistance excellence.
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer that the present invention proposes, its raw material comprises by weight: ethylene vinyl acetate EVM80-120 part, PCDL 60-90 part, dioctyl azelate 10-30 part, ethoxylated alkylphenol ammonium sulfate 5-15 part, tolylene diisocyanate 2-8 part, calcium propionate 3-6 part, gas-phase silica 1-5 part, attapulgite 2-8 part, calcium oxide 3-9 part, bis-phenol a diglycidylether 2-5 part, octyl epoxy stearate 1-6 part, compounded mix 3-5 part, anti-friction composition 2-4 part, vulcanizing agent 1-4 part, antioxidant 2-6 part, crosslinking coagent 1-8 part, promotor 2-6 part, chainextender 3-7 part.
Preferably, in ethylene vinyl acetate EVM, the mass content of vinyl acetate is 80-90%.
Preferably, compounded mix is prepared by following technique: polypropylene and polynite are mixed, be heated to 450-500 DEG C, and insulation 10-20min, is cooled to normal temperature, then adds tetrafluoroethylene ball milling 8-16min, obtain material a; Light calcium carbonate and aluminium dihydrogen phosphate are mixed, is heated to 70-90 DEG C, insulation 5-15min, then add pentaerythritol triacrylate to be stirred to normal temperature and to obtain material b, then material a and material b is mixed, dry, grinding, is cooled to room temperature and obtains compounded mix.
Preferably, in the preparation technology of compounded mix, the weight ratio of polypropylene, polynite, tetrafluoroethylene, light calcium carbonate, aluminium dihydrogen phosphate and pentaerythritol triacrylate is 2-9:1-5:3-8:4-9:3-4:2-5.
Preferably, anti-friction composition is that methyl-silicone oil, fluorine carbon emulsion and whiteruss mix by weight 2-6:1-3:3-5.
Preferably, vulcanizing agent is the one in sulphur, peroxide vulcanizing agent, silane containing hydrogen vulcanizing agent, resin curing agent.
Preferably, antioxidant is one or more compositions in antioxidant 1010, oxidation inhibitor 4010, oxidation inhibitor 4020.
Preferably, crosslinking coagent is one or more compositions in triallylcyanurate, cyanacrylate, paraquinonedioxime, tetramethyl-thiuram disulfide, alkylation Triethylenetetramine (TETA) thiuram-disulfide.
Preferably, promotor is dicumyl peroxide or 1,3-di-tert-butyl dicumyl peroxide.
Preferably, chainextender is 4, one or more compositions in 4 '-diamino-3,3 '-dichloro-diphenyl methane, 3,5-dimethythiotoluene diamines and diethyl toluene diamine.
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer of the present invention, its raw material comprises ethylene vinyl acetate EVM, PCDL, dioctyl azelate, ethoxylated alkylphenol ammonium sulfate, tolylene diisocyanate, calcium propionate, gas-phase silica, attapulgite, calcium oxide, bis-phenol a diglycidylether, octyl epoxy stearate, compounded mix, anti-friction composition, vulcanizing agent, antioxidant, crosslinking coagent, promotor and chainextender, wherein with ethylene vinyl acetate EVM for major ingredient, auxiliary interpolation PCDL, dioctyl azelate, ethoxylated alkylphenol ammonium sulfate and tolylene diisocyanate are the adjunct of ethylene vinyl acetate EVM, by conservative control proportioning, effectively improve the intensity of ethylene vinyl acetate EVM, wear resistance and oil-proofness, the calcium propionate added, gas-phase silica, attapulgite and calcium oxide are as filler, effectively improve the intensity of high-strength abrasion-proof oil resistant polyurethane elastomer of the present invention, the bis-phenol a diglycidylether added, octyl epoxy stearate, compounded mix, anti-friction composition, vulcanizing agent, antioxidant, crosslinking coagent, promotor and chainextender, as auxiliary agent, effectively improve oil resistance and the wear resisting property of high-strength abrasion-proof oil resistant polyurethane elastomer of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In embodiment, the weight part of ethylene vinyl acetate EVM can be 80 parts, 85 parts, 90 parts, 95 parts, 100 parts, 105 parts, 110 parts, 115 parts, 120 parts; The weight part of PCDL can be 60 parts, 65 parts, 70 parts, 75 parts, 80 parts, 85 parts, 90 parts; The weight part of dioctyl azelate can be 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, 28 parts, 30 parts; The weight part of ethoxylated alkylphenol ammonium sulfate can be 5-15 part; The weight part of tolylene diisocyanate can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of calcium propionate can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 6 parts; The weight part 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 weight part of attapulgite can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of calcium oxide can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of bis-phenol a diglycidylether can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts; The weight part of octyl epoxy stearate can be 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; The weight part of compounded mix can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts; The weight part of anti-friction composition can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts; The weight part of vulcanizing agent can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts; The weight part of antioxidant can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of crosslinking coagent can be 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 parts; The weight part of promotor can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of chainextender can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts.
Embodiment 1
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer that the present invention proposes, its raw material comprises by weight: ethylene vinyl acetate EVM100 part, PCDL 75 parts, dioctyl azelate 20 parts, 10 parts, ethoxylated alkylphenol ammonium sulfate, tolylene diisocyanate 5 parts, calcium propionate 4.5 parts, gas-phase silica 3 parts, attapulgite 5 parts, 6 parts, calcium oxide, bis-phenol a diglycidylether 3.5 parts, octyl epoxy stearate 3.5 parts, compounded mix 4 parts, anti-friction composition 3 parts, 2.5 parts, sulphur, antioxidant 1010 4 parts, triallylcyanurate 4.5 parts, dicumyl peroxide 4 parts, 4, 4 '-diamino-3, 3 '-dichloro-diphenyl methane 5 parts.
Wherein, in ethylene vinyl acetate EVM, the mass content of vinyl acetate is 85%.
Compounded mix is prepared by following technique: 5.5 parts of polypropylene and 3 parts of polynites are mixed by weight, be heated to 475 DEG C, and insulation 15min, is cooled to normal temperature, then adds 5.5 parts of tetrafluoroethylene ball milling 12min, obtain material a; 6.5 parts of light calcium carbonates and 3.5 parts of aluminium dihydrogen phosphates are mixed, is heated to 80 DEG C, insulation 10min, then add 3.5 parts of pentaerythritol triacrylates to be stirred to normal temperature and to obtain material b, then material a and material b is mixed, dry, grinding, is cooled to room temperature and obtains compounded mix.
Wherein, anti-friction composition is that methyl-silicone oil, fluorine carbon emulsion and whiteruss mix by weight 4:2:4.
Embodiment 2
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer that the present invention proposes, its raw material comprises by weight: ethylene vinyl acetate EVM80 part, PCDL 90 parts, dioctyl azelate 10 parts, 15 parts, ethoxylated alkylphenol ammonium sulfate, tolylene diisocyanate 2 parts, calcium propionate 6 parts, gas-phase silica 1 part, attapulgite 8 parts, 3 parts, calcium oxide, bis-phenol a diglycidylether 5 parts, octyl epoxy stearate 1 part, compounded mix 5 parts, anti-friction composition 2 parts, peroxide vulcanizing agent 4 parts, 40102 parts, oxidation inhibitor, cyanacrylate 8 parts, 1, 3-di-tert-butyl dicumyl peroxide 2 parts, 3, 5-dimethythiotoluene diamine 7 parts.
Wherein, in ethylene vinyl acetate EVM, the mass content of vinyl acetate is 80%.
Compounded mix is prepared by following technique: 2 parts of polypropylene and 5 parts of polynites are mixed by weight, be heated to 450 DEG C, and insulation 20min, is cooled to normal temperature, then adds 3 parts of tetrafluoroethylene ball milling 16min, obtain material a; 4 parts of light calcium carbonates and 4 parts of aluminium dihydrogen phosphates are mixed, is heated to 70 DEG C, insulation 15min, then add 2 parts of pentaerythritol triacrylates to be stirred to normal temperature and to obtain material b, then material a and material b is mixed, dry, grinding, is cooled to room temperature and obtains compounded mix.
Wherein, anti-friction composition is that methyl-silicone oil, fluorine carbon emulsion and whiteruss mix by weight 2:3:3.
Embodiment 3
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer that the present invention proposes, its raw material comprises by weight: ethylene vinyl acetate EVM120 part, PCDL 60 parts, dioctyl azelate 30 parts, 5 parts, ethoxylated alkylphenol ammonium sulfate, tolylene diisocyanate 8 parts, calcium propionate 3 parts, gas-phase silica 5 parts, attapulgite 2 parts, 9 parts, calcium oxide, bis-phenol a diglycidylether 2 parts, octyl epoxy stearate 6 parts, compounded mix 3 parts, anti-friction composition 4 parts, silane containing hydrogen vulcanizing agent 1 part, 40206 parts, oxidation inhibitor, paraquinonedioxime 1 part, dicumyl peroxide 6 parts, 4, 4 '-diamino-3, 3 '-dichloro-diphenyl methane 3 parts.
Wherein, in ethylene vinyl acetate EVM, the mass content of vinyl acetate is 90%.
Compounded mix is prepared by following technique: 9 parts of polypropylene and 1 part of polynite are mixed by weight, be heated to 500 DEG C, and insulation 10min, is cooled to normal temperature, then adds 8 parts of tetrafluoroethylene ball milling 8min, obtain material a; 9 parts of light calcium carbonates and 3 parts of aluminium dihydrogen phosphates are mixed, is heated to 90 DEG C, insulation 5min, then add 5 parts of pentaerythritol triacrylates to be stirred to normal temperature and to obtain material b, then material a and material b is mixed, dry, grinding, is cooled to room temperature and obtains compounded mix.
Wherein, anti-friction composition is that methyl-silicone oil, fluorine carbon emulsion and whiteruss mix by weight 6:1:5.
Embodiment 4
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer that the present invention proposes, its raw material comprises by weight: ethylene vinyl acetate EVM85 part, PCDL 85 parts, dioctyl azelate 15 parts, 12 parts, ethoxylated alkylphenol ammonium sulfate, tolylene diisocyanate 3 parts, calcium propionate 5 parts, gas-phase silica 2 parts, attapulgite 7 parts, 4 parts, calcium oxide, bis-phenol a diglycidylether 4 parts, octyl epoxy stearate 2 parts, compounded mix 4.5 parts, anti-friction composition 2.5 parts, silane containing hydrogen vulcanizing agent 3 parts, 40203 parts, oxidation inhibitor, tetramethyl-thiuram disulfide 7 parts, dicumyl peroxide 3 parts, 3, 5-dimethythiotoluene diamine 6 parts.
Wherein, in ethylene vinyl acetate EVM, the mass content of vinyl acetate is 82%.
Compounded mix is prepared by following technique: 3 parts of polypropylene and 4 parts of polynites are mixed by weight, be heated to 460 DEG C, and insulation 18min, is cooled to normal temperature, then adds 4 parts of tetrafluoroethylene ball milling 14min, obtain material a; 5 parts of light calcium carbonates and 3.8 parts of aluminium dihydrogen phosphates are mixed, is heated to 75 DEG C, insulation 12min, then add 3 parts of pentaerythritol triacrylates to be stirred to normal temperature and to obtain material b, then material a and material b is mixed, dry, grinding, is cooled to room temperature and obtains compounded mix.
Wherein, anti-friction composition is that methyl-silicone oil, fluorine carbon emulsion and whiteruss mix by weight 3:2.5:3.5.
Embodiment 5
A kind of high-strength abrasion-proof oil resistant polyurethane elastomer that the present invention proposes, its raw material comprises by weight: ethylene vinyl acetate EVM115 part, PCDL 65 parts, dioctyl azelate 25 parts, 8 parts, ethoxylated alkylphenol ammonium sulfate, tolylene diisocyanate 7 parts, calcium propionate 4 parts, gas-phase silica 4 parts, attapulgite 3 parts, 8 parts, calcium oxide, bis-phenol a diglycidylether 3 parts, octyl epoxy stearate 5 parts, compounded mix 3.5 parts, anti-friction composition 3.5 parts, resin curing agent 2 parts, antioxidant 1010 5 parts, alkylation Triethylenetetramine (TETA) thiuram-disulfide 2 parts, 1, 3-di-tert-butyl dicumyl peroxide 5 parts, diethyl toluene diamine 4 parts.
Wherein, in ethylene vinyl acetate EVM, the mass content of vinyl acetate is 88%.
Compounded mix is prepared by following technique: 8 parts of polypropylene and 2 parts of polynites are mixed by weight, be heated to 490 DEG C, and insulation 12min, is cooled to normal temperature, then adds 7 parts of tetrafluoroethylene ball milling 10min, obtain material a; 8 parts of light calcium carbonates and 3.2 parts of aluminium dihydrogen phosphates are mixed, is heated to 85 DEG C, insulation 8min, then add 4 parts of pentaerythritol triacrylates to be stirred to normal temperature and to obtain material b, then material a and material b is mixed, dry, grinding, is cooled to room temperature and obtains compounded mix.
Wherein, anti-friction composition is that methyl-silicone oil, fluorine carbon emulsion and whiteruss mix by weight 5:1.5:4.5.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a high-strength abrasion-proof oil resistant polyurethane elastomer, it is characterized in that, its raw material comprises by weight: ethylene vinyl acetate EVM80-120 part, PCDL 60-90 part, dioctyl azelate 10-30 part, ethoxylated alkylphenol ammonium sulfate 5-15 part, tolylene diisocyanate 2-8 part, calcium propionate 3-6 part, gas-phase silica 1-5 part, attapulgite 2-8 part, calcium oxide 3-9 part, bis-phenol a diglycidylether 2-5 part, octyl epoxy stearate 1-6 part, compounded mix 3-5 part, anti-friction composition 2-4 part, vulcanizing agent 1-4 part, antioxidant 2-6 part, crosslinking coagent 1-8 part, promotor 2-6 part, chainextender 3-7 part.
2. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1, is characterized in that, in ethylene vinyl acetate EVM, the mass content of vinyl acetate is 80-90%.
3. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 1 and 2, it is characterized in that, compounded mix is prepared by following technique: polypropylene and polynite are mixed, be heated to 450-500 DEG C, insulation 10-20min, be cooled to normal temperature, then add tetrafluoroethylene ball milling 8-16min, obtain material a; Light calcium carbonate and aluminium dihydrogen phosphate are mixed, is heated to 70-90 DEG C, insulation 5-15min, then add pentaerythritol triacrylate to be stirred to normal temperature and to obtain material b, then material a and material b is mixed, dry, grinding, is cooled to room temperature and obtains compounded mix.
4. high-strength abrasion-proof oil resistant polyurethane elastomer according to claim 3, it is characterized in that, in the preparation technology of compounded mix, the weight ratio of polypropylene, polynite, tetrafluoroethylene, light calcium carbonate, aluminium dihydrogen phosphate and pentaerythritol triacrylate is 2-9:1-5:3-8:4-9:3-4:2-5.
5. the high-strength abrasion-proof oil resistant polyurethane elastomer according to any one of claim 1-4, is characterized in that, anti-friction composition is that methyl-silicone oil, fluorine carbon emulsion and whiteruss mix by weight 2-6:1-3:3-5.
6. the high-strength abrasion-proof oil resistant polyurethane elastomer according to any one of claim 1-5, is characterized in that, vulcanizing agent is the one in sulphur, peroxide vulcanizing agent, silane containing hydrogen vulcanizing agent, resin curing agent.
7. the high-strength abrasion-proof oil resistant polyurethane elastomer according to any one of claim 1-6, is characterized in that, antioxidant is one or more compositions in antioxidant 1010, oxidation inhibitor 4010, oxidation inhibitor 4020.
8. the high-strength abrasion-proof oil resistant polyurethane elastomer according to any one of claim 1-7, it is characterized in that, crosslinking coagent is one or more compositions in triallylcyanurate, cyanacrylate, paraquinonedioxime, tetramethyl-thiuram disulfide, alkylation Triethylenetetramine (TETA) thiuram-disulfide.
9. the high-strength abrasion-proof oil resistant polyurethane elastomer according to any one of claim 1-8, is characterized in that, promotor is dicumyl peroxide or 1,3-di-tert-butyl dicumyl peroxide.
10. the high-strength abrasion-proof oil resistant polyurethane elastomer according to any one of claim 1-9, it is characterized in that, chainextender is 4,4 '-diamino-3, one or more compositions in 3 '-dichloro-diphenyl methane, 3,5-dimethythiotoluene diamines and diethyl toluene diamine.
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Cited By (5)
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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 |
| CN105670274A (en) * | 2016-01-22 | 2016-06-15 | 华南理工大学 | Polyurethane elastomer used as counterweight guide shoe lining and preparation method and application of polyurethane elastomer |
| 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| 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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| CN105238009B (en) | 2017-12-15 |
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