CN104592735A - Modified polyurethane foam plastic - Google Patents
Modified polyurethane foam plastic Download PDFInfo
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- CN104592735A CN104592735A CN201510081076.6A CN201510081076A CN104592735A CN 104592735 A CN104592735 A CN 104592735A CN 201510081076 A CN201510081076 A CN 201510081076A CN 104592735 A CN104592735 A CN 104592735A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 title claims abstract description 26
- 229920005830 Polyurethane Foam Polymers 0.000 title abstract 3
- 239000011496 polyurethane foam Substances 0.000 title abstract 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 25
- 239000004917 carbon fiber Substances 0.000 claims abstract description 25
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims abstract description 21
- 229930006000 Sucrose Natural products 0.000 claims abstract description 21
- 229920000570 polyether Polymers 0.000 claims abstract description 21
- 239000005720 sucrose Substances 0.000 claims abstract description 21
- 229920002635 polyurethane Polymers 0.000 claims abstract description 20
- 239000004814 polyurethane Substances 0.000 claims abstract description 20
- 239000004005 microsphere Substances 0.000 claims abstract description 15
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 239000012188 paraffin wax Substances 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 14
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 13
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000003963 antioxidant agent Substances 0.000 claims description 12
- 235000010290 biphenyl Nutrition 0.000 claims description 12
- 239000004305 biphenyl Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 239000007822 coupling agent Substances 0.000 claims description 12
- 150000002191 fatty alcohols Chemical class 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 12
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 12
- -1 phosphate toluene diphenyl ester Chemical class 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 11
- 239000012153 distilled water Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 238000000227 grinding Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 abstract 1
- LDTMPQQAWUMPKS-OWOJBTEDSA-N (e)-1-chloro-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)\C=C\Cl LDTMPQQAWUMPKS-OWOJBTEDSA-N 0.000 abstract 1
- CDOOAUSHHFGWSA-UHFFFAOYSA-N 1,3,3,3-tetrafluoropropene Chemical compound FC=CC(F)(F)F CDOOAUSHHFGWSA-UHFFFAOYSA-N 0.000 abstract 1
- LIAWCKFOFPPVGF-UHFFFAOYSA-N 2-ethyladamantane Chemical compound C1C(C2)CC3CC1C(CC)C2C3 LIAWCKFOFPPVGF-UHFFFAOYSA-N 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 1
- 150000001721 carbon Chemical class 0.000 abstract 1
- 239000006231 channel black Substances 0.000 abstract 1
- 239000002530 phenolic antioxidant Substances 0.000 abstract 1
- 229920002545 silicone oil Polymers 0.000 abstract 1
- 150000003568 thioethers Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical group CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- FGNLEIGUMSBZQP-UHFFFAOYSA-N cadaverine dihydrochloride Chemical group Cl.Cl.NCCCCCN FGNLEIGUMSBZQP-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a modified polyurethane foam plastic which comprises the following components in parts by weight: 40-50 parts of sucrose polyether, 10-20 parts of polyurethane, 20-30 parts of dimethyl methylphosphonate, 1-2 parts of paraffin, 2-3 parts of brominated epoxy resin, 20-40 parts of inorganic hollow microspheres, 10-15 parts of modified carbon fibers, 10-15 parts of channel black, 1-1.5 parts of cresyl diphenyl phosphate, 0.5-1 part of water-soluble silicone oil, 0.4-0.8 parts of a foamer, 1-2 parts of higher aliphatic alcohol and 0.2-0.5 part of a thioether phenolic antioxidant, wherein the foamer comprises the following components in parts by weight: 12-16 parts of 1-chloro-3,3,3-trifluoropropene, 2-3 parts of 1,1,1,3-tetrafluoropropene and 1-2 parts of pentane. The modified polyurethane foam plastic is excellent in toughness, heat-resistant stability and mechanical property.
Description
Technical field
The present invention relates to plastics arts, particularly relate to a kind of modified polyurethane expanded plastic.
Background technology
Urethane foam is a kind of starting material preferably, is applied to the fields such as sofa, mattress, footwear material, top-grade furniture, plays an increasingly important role in national economy.But urethane foam suppleness is poor, requirement is not reached in special industry, carbon fiber surface is hydrophilic, surface has higher activity, good toughness, but poor with the interface compatibility of unclassified stores, reduce the mechanics mechanical property of porous plastics to a certain extent, the advantageous property of carbon fiber can not be not fully exerted, how prepare a kind of good toughness, the urethane foam of excellent in mechanical performance becomes the current technical issues that need to address.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of modified polyurethane expanded plastic, toughness, heat-resistant stability and excellent in mechanical performance.
A kind of modified polyurethane expanded plastic that the present invention proposes, its raw material comprises by weight: Sucrose polyethers 40-50 part, urethane 10-20 part, dimethyl methyl phosphonate 20-30 part, paraffin 1-2 part, brominated epoxy resin 2-3 part, Inorganic Hollow Microspheres 20-40 part, modified carbon fiber 10-15 part, thermally oxidized black 10-15 part, phosphate toluene diphenyl ester 1-1.5 part, water-soluble silicon oil 0.5-1 part, whipping agent 0.4-0.8 part, high fatty alcohol 1-2 part, thioether-type phenol antioxidants 0.2-0.5 part; Wherein whipping agent comprises by weight: 1-chloro-3,3,3 ,-trifluoropropene 12-16 part, 1,1,1,3-tetrafluoeopropene 2-3 part and pentane 1-2 part;
In the preparation process of modified carbon fiber, carbon fiber is placed in drying in oven, be placed in radiotolerant metallic aluminium pool, carry out gamma-radiation radiation treatment under vacuum state, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, ethanolic soln ultrasonic disperse is added in prefabricated material, be placed in reactor, stirring in water bath, continue to add titanate coupling agent mixing, continue to add silane coupling agent and mix rear microwave reaction, cooling, filters, absolute ethanol washing, distilled water wash, dry, pulverize, grinding obtains modified carbon fiber.
Preferably, in the preparation process of modified carbon fiber, take 1-2 part carbon fiber by weight, the length of carbon fiber is 1-5mm, be placed in 85-90 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 60-80kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 10-15 part concentration is 93-96% ethanolic soln ultrasonic disperse 10-30min, be placed in reactor, 96-98 DEG C of stirring in water bath 20-40min, continue to add 1-2 part titanate coupling agent mixing 20-40min, continue to add 0.5-1.2 part silane coupling agent and mix rear microwave reaction, first microwave power is 300-350W, the microwave time is 10-18min, increase microwave power to 350-400W, the microwave time is 2-5min, increase microwave power to 400-500W, the microwave time is 2-4min, increase microwave power to 500-600W, the microwave time is 1-2min, cooling, filter, absolute ethanol washing 1-2 time, distilled water wash 2-3 time, dry, pulverize, grinding obtains modified carbon fiber.
Preferably, the weight ratio of Sucrose polyethers and urethane is 42-45:12-16.
Preferably, the weight ratio of Sucrose polyethers and modified carbon fiber is 42-45:12-14.
Preferably, the weight ratio of Sucrose polyethers and whipping agent is 42-45:0.5-0.7.
Preferably, its raw material comprises by weight: Sucrose polyethers 42-45 part, urethane 12-16 part, dimethyl methyl phosphonate 22-24 part, paraffin 1.4-1.8 part, brominated epoxy resin 2.2-2.6 part, Inorganic Hollow Microspheres 30-35 part, modified carbon fiber 12-14 part, thermally oxidized black 12-14 part, phosphate toluene diphenyl ester 1.2-1.4 part, water-soluble silicon oil 0.6-0.8 part, whipping agent 0.5-0.7 part, high fatty alcohol 1.5-1.8 part, thioether-type phenol antioxidants 0.3-0.4 part.
Preferably, its raw material comprises by weight: Sucrose polyethers 43 parts, urethane 15 parts, dimethyl methyl phosphonate 23 parts, 1.5 parts, paraffin, brominated epoxy resin 2.5 parts, Inorganic Hollow Microspheres 32 parts, modified carbon fiber 13 parts, thermally oxidized black 13 parts, phosphate toluene diphenyl ester 1.32 parts, water-soluble silicon oil 0.7 part, whipping agent 0.6 part, high fatty alcohol 1.6 parts, thioether-type phenol antioxidants 0.35 part.
Preferably, in the preparation process of modified carbon fiber, take 1.5 parts of carbon fibers by weight, the length of carbon fiber is 1-5mm, be placed in 89 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 70kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 12 parts of concentration is 95% ethanolic soln ultrasonic disperse 20min, be placed in reactor, 97 DEG C of stirring in water bath 30min, continue to add 1.6 parts of titanate coupling agent mixing 36min, continue to add 0.8 part of silane coupling agent and mix rear microwave reaction, first microwave power is 320W, the microwave time is 15min, increase microwave power to 380W, the microwave time is 4min, increase microwave power to 450W, the microwave time is 3min, increase microwave power to 580W, the microwave time is 1min, cooling, filter, absolute ethanol washing 2 times, distilled water wash 3 times, dry, pulverize, grinding obtains modified carbon fiber.
The preparation technology of above-mentioned modified polyurethane expanded plastic is as follows: by proportioning by Sucrose polyethers, urethane, dimethyl methyl phosphonate, paraffin, it is even that brominated epoxy resin and Inorganic Hollow Microspheres put into stirrer for mixing, the material obtained is warming up to 150-165 DEG C, add phosphate toluene diphenyl ester, water-soluble silicon oil, whipping agent, high fatty alcohol and thioether-type phenol antioxidants mix, the material obtained is put into twin screw extruder extrude, extrusion temperature is 130-145 DEG C, modified carbon fiber and thermally oxidized black is added in extrusion, dehydration, cooling obtains modified polyurethane expanded plastic.
The present invention adopts Sucrose polyethers, urethane is major ingredient, and with modified carbon fiber mating reaction, goods good toughness, thermal oxidation stability performance is excellent, in the preparation process of wherein modified carbon fiber, carbon fiber is with low cost, starting material are abundant, light weight, the advantages such as degradable, after the pre-treatment of gamma-radiation irradiation, carbon fiber has higher toughness, again through suitable coupling agent modified after, surface energy significantly reduces, and bridging property and good dispersity between unclassified stores, at Sucrose polyethers, in urethane and unclassified stores after incorporating modified carbon fiber, can significantly improve goods physical toughness, heat-resistant stability and mechanical property, further with dimethyl methyl phosphonate, paraffin and brominated epoxy resin combine, by conservative control three in the feed ratio the resistance to elevated temperatures of plastics can be made to strengthen further, Inorganic Hollow Microspheres, modified carbon fiber and thermally oxidized black mating reaction, the density of Inorganic Hollow Microspheres is lower, modified carbon fiber and thermally oxidized black have stronger strengthening action, and three's mating reaction can make plastics still keep stronger toughness at comparatively high temps, and product weight is little, the present invention is lightweight, and resistance to elevated temperatures is excellent, and cost is also lower.
Embodiment
Embodiment 1
A kind of modified polyurethane expanded plastic that the present invention proposes, its raw material comprises by weight: Sucrose polyethers 40 parts, urethane 20 parts, dimethyl methyl phosphonate 20 parts, 2 parts, paraffin, brominated epoxy resin 2 parts, Inorganic Hollow Microspheres 40 parts, modified carbon fiber 10 parts, thermally oxidized black 15 parts, phosphate toluene diphenyl ester 1 part, water-soluble silicon oil 1 part, whipping agent 0.4 part, high fatty alcohol 2 parts, thioether-type phenol antioxidants 0.2 part; Wherein whipping agent comprises by weight: 1-chloro-3,3,3 ,-trifluoropropene 16 parts, 1,1,1,3-tetrafluoeopropene 2 parts and pentane 2 parts;
In the preparation process of modified carbon fiber, take 1 part of carbon fiber by weight, the length of carbon fiber is 1-5mm, be placed in 90 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 60kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 15 parts of concentration is 93% ethanolic soln ultrasonic disperse 30min, be placed in reactor, 96 DEG C of stirring in water bath 40min, continue to add 1 part of titanate coupling agent mixing 40min, continue to add 0.5 part of silane coupling agent and mix rear microwave reaction, first microwave power is 350W, the microwave time is 10min, increase microwave power to 400W, the microwave time is 2min, increase microwave power to 500W, the microwave time is 2min, increase microwave power to 600W, the microwave time is 1min, cooling, filter, absolute ethanol washing 2 times, distilled water wash 2 times, dry, pulverize, grinding obtains modified carbon fiber.
Embodiment 2
A kind of modified polyurethane expanded plastic that the present invention proposes, its raw material comprises by weight: Sucrose polyethers 50 parts, urethane 10 parts, dimethyl methyl phosphonate 30 parts, 1 part, paraffin, brominated epoxy resin 3 parts, Inorganic Hollow Microspheres 20 parts, modified carbon fiber 15 parts, thermally oxidized black 10 parts, phosphate toluene diphenyl ester 1.5 parts, water-soluble silicon oil 0.5 part, whipping agent 0.8 part, high fatty alcohol 1 part, thioether-type phenol antioxidants 0.5 part; Wherein whipping agent comprises by weight: 1-chloro-3,3,3 ,-trifluoropropene 12 parts, 1,1,1,3-tetrafluoeopropene 3 parts and pentane 1 part;
In the preparation process of modified carbon fiber, take 2 parts of carbon fibers by weight, the length of carbon fiber is 1-5mm, be placed in 85 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 80kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 10 parts of concentration is 96% ethanolic soln ultrasonic disperse 10min, be placed in reactor, 98 DEG C of stirring in water bath 20min, continue to add 2 parts of titanate coupling agent mixing 20min, continue to add 1.2 parts of silane coupling agents and mix rear microwave reaction, first microwave power is 300W, the microwave time is 18min, increase microwave power to 350W, the microwave time is 5min, increase microwave power to 400W, the microwave time is 4min, increase microwave power to 500W, the microwave time is 2min, cooling, filter, absolute ethanol washing 1 time, distilled water wash 3 times, dry, pulverize, grinding obtains modified carbon fiber.
Embodiment 3
A kind of modified polyurethane expanded plastic that the present invention proposes, its raw material comprises by weight: Sucrose polyethers 43 parts, urethane 15 parts, dimethyl methyl phosphonate 23 parts, 1.5 parts, paraffin, brominated epoxy resin 2.5 parts, Inorganic Hollow Microspheres 32 parts, modified carbon fiber 13 parts, thermally oxidized black 13 parts, phosphate toluene diphenyl ester 1.32 parts, water-soluble silicon oil 0.7 part, whipping agent 0.6 part, high fatty alcohol 1.6 parts, thioether-type phenol antioxidants 0.35 part; Wherein whipping agent comprises by weight: 1-chloro-3,3,3 ,-trifluoropropene 15 parts, 1,1,1,3-tetrafluoeopropene 2.2 parts and pentane 1.6 parts;
In the preparation process of modified carbon fiber, take 1.5 parts of carbon fibers by weight, the length of carbon fiber is 1-5mm, be placed in 89 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 70kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 12 parts of concentration is 95% ethanolic soln ultrasonic disperse 20min, be placed in reactor, 97 DEG C of stirring in water bath 30min, continue to add 1.6 parts of titanate coupling agent mixing 36min, continue to add 0.8 part of silane coupling agent and mix rear microwave reaction, first microwave power is 320W, the microwave time is 15min, increase microwave power to 380W, the microwave time is 4min, increase microwave power to 450W, the microwave time is 3min, increase microwave power to 580W, the microwave time is 1min, cooling, filter, absolute ethanol washing 2 times, distilled water wash 3 times, dry, pulverize, grinding obtains modified carbon fiber.
Embodiment 4
A kind of modified polyurethane expanded plastic that the present invention proposes, its raw material comprises by weight: Sucrose polyethers 42 parts, urethane 16 parts, dimethyl methyl phosphonate 22 parts, 1.8 parts, paraffin, brominated epoxy resin 2.26 parts, Inorganic Hollow Microspheres 35 parts, modified carbon fiber 12 parts, thermally oxidized black 14 parts, phosphate toluene diphenyl ester 1.2 parts, water-soluble silicon oil 0.8 part, whipping agent 0.5 part, high fatty alcohol 1.8 parts, thioether-type phenol antioxidants 0.3 part; Wherein whipping agent comprises by weight: 1-chloro-3,3,3 ,-trifluoropropene 13 parts, 1,1,1,3-tetrafluoeopropene 2.8 parts and pentane 1.4 parts;
In the preparation process of modified carbon fiber, take 1.8 parts of carbon fibers by weight, the length of carbon fiber is 1-5mm, be placed in 86 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 78kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 12 parts of concentration is 95% ethanolic soln ultrasonic disperse 12min, be placed in reactor, 97 DEG C of stirring in water bath 23min, continue to add 1.8 parts of titanate coupling agent mixing 23min, continue to add 1 part of silane coupling agent and mix rear microwave reaction, first microwave power is 320W, the microwave time is 17min, increase microwave power to 360W, the microwave time is 4min, increase microwave power to 410W, the microwave time is 4min, increase microwave power to 520W, the microwave time is 2min, cooling, filter, absolute ethanol washing 1 time, distilled water wash 3 times, dry, pulverize, grinding obtains modified carbon fiber.
Embodiment 5
A kind of modified polyurethane expanded plastic that the present invention proposes, its raw material comprises by weight: Sucrose polyethers 45 parts, urethane 12 parts, dimethyl methyl phosphonate 24 parts, 1.4 parts, paraffin, brominated epoxy resin 2.6 parts, Inorganic Hollow Microspheres 30 parts, modified carbon fiber 14 parts, thermally oxidized black 12 parts, phosphate toluene diphenyl ester 1.4 parts, water-soluble silicon oil 0.6 part, whipping agent 0.7 part, high fatty alcohol 1.58 parts, thioether-type phenol antioxidants 0.4 part; Wherein whipping agent comprises by weight: 1-chloro-3,3,3 ,-trifluoropropene 14 parts, 1,1,1,3-tetrafluoeopropene 2.5 parts and pentane 1.5 parts;
In the preparation process of modified carbon fiber, take 1.2 parts of carbon fibers by weight, the length of carbon fiber is 1-5mm, be placed in 89 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 62kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 14 parts of concentration is 94% ethanolic soln ultrasonic disperse 28min, be placed in reactor, 96 DEG C of stirring in water bath 38min, continue to add 1.2 parts of titanate coupling agent mixing 38min, continue to add 0.8 part of silane coupling agent and mix rear microwave reaction, first microwave power is 340W, the microwave time is 12min, increase microwave power to 380W, the microwave time is 3min, increase microwave power to 480W, the microwave time is 2min, increase microwave power to 590W, the microwave time is 1min, cooling, filter, absolute ethanol washing 2 times, distilled water wash 2 times, dry, pulverize, grinding obtains modified carbon fiber.
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 (8)
1. a modified polyurethane expanded plastic, is characterized in that, its raw material comprises by weight: Sucrose polyethers 40-50 part, urethane 10-20 part, dimethyl methyl phosphonate 20-30 part, paraffin 1-2 part, brominated epoxy resin 2-3 part, Inorganic Hollow Microspheres 20-40 part, modified carbon fiber 10-15 part, thermally oxidized black 10-15 part, phosphate toluene diphenyl ester 1-1.5 part, water-soluble silicon oil 0.5-1 part, whipping agent 0.4-0.8 part, high fatty alcohol 1-2 part, thioether-type phenol antioxidants 0.2-0.5 part; Wherein whipping agent comprises by weight: 1-chloro-3,3,3 ,-trifluoropropene 12-16 part, 1,1,1,3-tetrafluoeopropene 2-3 part and pentane 1-2 part;
In the preparation process of modified carbon fiber, carbon fiber is placed in drying in oven, be placed in radiotolerant metallic aluminium pool, carry out gamma-radiation radiation treatment under vacuum state, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, ethanolic soln ultrasonic disperse is added in prefabricated material, be placed in reactor, stirring in water bath, continue to add titanate coupling agent mixing, continue to add silane coupling agent and mix rear microwave reaction, cooling, filters, absolute ethanol washing, distilled water wash, dry, pulverize, grinding obtains modified carbon fiber.
2. modified polyurethane expanded plastic according to claim 1, it is characterized in that, in the preparation process of modified carbon fiber, take 1-2 part carbon fiber by weight, the length of carbon fiber is 1-5mm, be placed in 85-90 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 60-80kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 10-15 part concentration is 93-96% ethanolic soln ultrasonic disperse 10-30min, be placed in reactor, 96-98 DEG C of stirring in water bath 20-40min, continue to add 1-2 part titanate coupling agent mixing 20-40min, continue to add 0.5-1.2 part silane coupling agent and mix rear microwave reaction, first microwave power is 300-350W, the microwave time is 10-18min, increase microwave power to 350-400W, the microwave time is 2-5min, increase microwave power to 400-500W, the microwave time is 2-4min, increase microwave power to 500-600W, the microwave time is 1-2min, cooling, filter, absolute ethanol washing 1-2 time, distilled water wash 2-3 time, dry, pulverize, grinding obtains modified carbon fiber.
3. modified polyurethane expanded plastic according to claim 1 and 2, is characterized in that, the weight ratio of Sucrose polyethers and urethane is 42-45:12-16.
4. the modified polyurethane expanded plastic according to any one of claim 1-3, is characterized in that, the weight ratio of Sucrose polyethers and modified carbon fiber is 42-45:12-14.
5. the modified polyurethane expanded plastic according to any one of claim 1-4, is characterized in that, the weight ratio of Sucrose polyethers and whipping agent is 42-45:0.5-0.7.
6. the modified polyurethane expanded plastic according to any one of claim 1-5, it is characterized in that, its raw material comprises by weight: Sucrose polyethers 42-45 part, urethane 12-16 part, dimethyl methyl phosphonate 22-24 part, paraffin 1.4-1.8 part, brominated epoxy resin 2.2-2.6 part, Inorganic Hollow Microspheres 30-35 part, modified carbon fiber 12-14 part, thermally oxidized black 12-14 part, phosphate toluene diphenyl ester 1.2-1.4 part, water-soluble silicon oil 0.6-0.8 part, whipping agent 0.5-0.7 part, high fatty alcohol 1.5-1.8 part, thioether-type phenol antioxidants 0.3-0.4 part.
7. the modified polyurethane expanded plastic according to any one of claim 1-6, is characterized in that, its raw material comprises by weight: Sucrose polyethers 43 parts, urethane 15 parts, dimethyl methyl phosphonate 23 parts, 1.5 parts, paraffin, brominated epoxy resin 2.5 parts, Inorganic Hollow Microspheres 32 parts, modified carbon fiber 13 parts, thermally oxidized black 13 parts, phosphate toluene diphenyl ester 1.32 parts, water-soluble silicon oil 0.7 part, whipping agent 0.6 part, high fatty alcohol 1.6 parts, thioether-type phenol antioxidants 0.35 part.
8. the modified polyurethane expanded plastic according to any one of claim 1-7, it is characterized in that, in the preparation process of modified carbon fiber, take 1.5 parts of carbon fibers by weight, the length of carbon fiber is 1-5mm, be placed in 89 DEG C of drying in oven, then be placed in radiotolerant metallic aluminium pool, gamma-radiation radiation treatment is carried out under vacuum state, irradiation dose is 70kGy, rinsed clean, room temperature is naturally dried and is obtained prefabricated material, in prefabricated material, add 12 parts of concentration is 95% ethanolic soln ultrasonic disperse 20min, be placed in reactor, 97 DEG C of stirring in water bath 30min, continue to add 1.6 parts of titanate coupling agent mixing 36min, continue to add 0.8 part of silane coupling agent and mix rear microwave reaction, first microwave power is 320W, the microwave time is 15min, increase microwave power to 380W, the microwave time is 4min, increase microwave power to 450W, the microwave time is 3min, increase microwave power to 580W, the microwave time is 1min, cooling, filter, absolute ethanol washing 2 times, distilled water wash 3 times, dry, pulverize, grinding obtains modified carbon fiber.
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| CN102101942A (en) * | 2009-12-16 | 2011-06-22 | 郭青 | Reinforced polyurethane rigid foam material and manufacturing method thereof |
| CN102558495A (en) * | 2011-11-28 | 2012-07-11 | 吴江明峰聚氨酯制品有限公司 | Carbon-fiber-reinforced polyurethane foamed plastic and preparation method thereof |
| CN103408925A (en) * | 2013-08-30 | 2013-11-27 | 深圳市柳鑫实业有限公司 | Rigid foamed plastic |
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| CN103819651A (en) * | 2014-02-28 | 2014-05-28 | 北京东方雨虹防水技术股份有限公司 | Hard polyurethane foam material and preparation method thereof |
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| CN102101942A (en) * | 2009-12-16 | 2011-06-22 | 郭青 | Reinforced polyurethane rigid foam material and manufacturing method thereof |
| CN102558495A (en) * | 2011-11-28 | 2012-07-11 | 吴江明峰聚氨酯制品有限公司 | Carbon-fiber-reinforced polyurethane foamed plastic and preparation method thereof |
| CN103408925A (en) * | 2013-08-30 | 2013-11-27 | 深圳市柳鑫实业有限公司 | Rigid foamed plastic |
| CN103739821A (en) * | 2013-12-20 | 2014-04-23 | 苏州市万泰真空炉研究所有限公司 | Preparation method of novel carbon fiber reinforced type polyurethane rigid foam plastic |
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