CN102876001B - Anti-aging thermoplastic elastomer - Google Patents
Anti-aging thermoplastic elastomer Download PDFInfo
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- CN102876001B CN102876001B CN201210351544.3A CN201210351544A CN102876001B CN 102876001 B CN102876001 B CN 102876001B CN 201210351544 A CN201210351544 A CN 201210351544A CN 102876001 B CN102876001 B CN 102876001B
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Abstract
The invention provides anti-aging thermoplastic elastomer which comprises the following materials by weight: 5-10 parts of cis-1,4-polybutadiene rubber, 2-4 parts of methyl phenyl silicone resin, 5-10 parts of chloroprene rubber, 5-10 parts of polyacrylate rubber, 1 part of N,N'-(4,4'-diphenylmethane)bismaleimide, 4-12 parts of polyethylene, 5-15 parts of chlorinated polyethylene, 7-10 parts of polystyrene, 5-7 parts of styrene-butadiene copolymer, 10-20 parts of polyethylene oxide, 2-3 parts of polyethylene glycol, 1 part of dibasic lead phosphite, 1 part of dilauryl thiodipropionate, 1 part of N,N'-diacetyl adipic acid dihydrazide, 2-4 parts of glass fiber, 3-6 parts of N,N-ethylenebis(stearamide), 2-3 parts of stearic acid, 5-7 parts of silicone, 2-5 parts of citric acid, 1-4 parts of plasticizer, 3-8 parts of dispersant, 5-15 parts of and filler. The thermoplastic elastomer has good anti-aging performance.
Description
Technical field
The invention provides a kind of thermoplastic elastomer, special aging-resistant thermoplastic elastomer, belongs to technical field of polymer materials.
Background technology
Thermoplastic elastomer, claims again synthetic chloroprene rubber or synthetic rubber.Its product had both possessed the snappiness of traditional cross-linking vulcanized rubber, ageing-resistant, the every excellent properties of oil-proofness, possess again simultaneously common plastics processing side more, the wide feature of processing mode.Owing to not needing through hot sulfurization, use general device of plastic processing can complete products production.This feature makes rubber industry Production Flow Chart shorten 1/4, and energy efficient 25% ~ 40% is raised the efficiency 10 times ~ 20 times.
In the recent decade, the fast development of electronic apparatus, communication and automobile industry has driven the high speed development in thermoplastic elastomer market.But common thermoplastic elastic material need to strengthen in ageing-resistant, resistance to elevated temperatures, life-time service or while using under hot environment for a long time, there will be the phenomenons such as cracking, bending, contraction, has influence on profile and performance.
Summary of the invention
For the above commentary to prior art, technical problem to be solved by this invention is: the ageing-resistant performance that improves thermoplastic elastomer.The technical scheme adopting is:
A kind of thermoplastic elastomer, by the following raw material according to weight part meter, made: 5～10 parts of cis-1,4-polybutadiene rubbers, 2～4 parts of methyl phenyl silicone resins, 5～10 parts of chloroprene rubbers, 5～10 parts of acrylic elastomers, 1 part of diphenyl methane dimaleimide, 4～12 parts of polyethylene, 5～15 parts of chlorinatedpolyethylenees, 7～10 parts of polystyrene, 5～7 parts of styrene-butadiene copolymers, 10～20 parts of polyoxyethylenes, 2～3 parts of polyoxyethylene glycol, 1 part of dibasic lead phosphite, 1 part of the two dodecane ester of thio-2 acid, N, 1 part of N-diacetyl adipyl two hydrazides, 2～4 parts, glass fibre, 3～6 parts of two ethylene stearic amides, 2～3 parts of stearic acid, 5～7 parts of silicone, 2～5 parts of citric acids, 1～4 part, softening agent, 3～8 parts of dispersion agents, 5～15 parts of stopping composition.
The molecular weight of above-mentioned polyoxyethylene preferably 10000～200000.
The molecular weight of above-mentioned polyoxyethylene glycol preferably 8000～20000.
Above-mentioned polyethylene is a kind of in high density polyethylene(HDPE), Low Density Polyethylene, linear polyethylene.
Above-mentioned softening agent is a kind of in epoxy soybean oil, clorafin, pentaerythritol ester and Octyl adipate preferably.
Above-mentioned dispersion agent preferably polyethylene wax, oxidized polyethlene wax, get a kind of in amide waxe.
Above-mentioned stopping composition is a kind of in white carbon black, fine particle calcium carbonate, coarse whiting, talcum powder, zinc sulfide white, mullite, Suzhou soil, diatomite preferably.Preparation method is:
S1 mixes each component raw material;
S2 adds S1 gained mixture in twin screw extruder, and the temperature of forcing machine and mouthful mould is controlled within the scope of 170 ℃～220 ℃, and screw speed is 220rpm～300rpm;
S3 granulation, obtains.
Beneficial effect
Thermoplastic elastomer provided by the invention, has good ageing resistance, more than its tensile strength can reach 11MPa, in thermal aging oven, keeps 120 hours in 120 times, and test tensile strength again, its stretching strength retention value can reach more than 98%.
Embodiment
The weight proportion of table 1 embodiment 1～embodiment 3
In above embodiment, the molecular weight of polyoxyethylene is 10000～200000; The molecular weight of polyoxyethylene glycol is 8000～20000; Polyethylene adopts high density polyethylene(HDPE); Softening agent is pentaerythritol ester; Dispersion agent adopts polyethylene wax; Stopping composition adopts white carbon black.
Preparation method is:
Embodiment 1
S1 mixes each component raw material;
S2 adds S1 gained mixture in twin screw extruder, and the temperature of forcing machine and mouthful mould is controlled within the scope of 170 ℃, and screw speed is 220rpm;
S3 granulation, obtains.
Embodiment 2
Be with the difference of embodiment 1, the temperature in S2 is 200 ℃, and screw speed is 260rpm.
Embodiment 3
Be with the difference of embodiment 1, the temperature in S2 is 220 ℃, and screw speed is 300rpm.
Performance test
The thermoplastic elastomer of above embodiment gained is carried out to thermoplastic shaping, make after the sample of 50mm * 50mm thickness 0.5mm, make a service test, in employing patent CN201010546624, disclosed thermoplastic elastomer in contrast.Testing data is as shown in table 2.Wherein, the testing method of tensile strength retention rate is: said sample is placed in to thermal aging oven, keeps 120 hours at 120 ℃, test tensile strength, and calculating again.
The performance test data of table 2 embodiment 1～embodiment 3 and reference examples
| Test method | Embodiment 1 | Embodiment 2 | Embodiment 3 | Reference examples | |
| Shore hardness A | GB/T2411-1980 | 75 | 76 | 81 | 66 |
| Tensile strength MPa | GB/T1040-2006 | 11.0 | 11.5 | 12.3 | 8.9 |
| Oxygen index % | GB/T2406-1993 | 31 | 31 | 29 | 25 |
| Low temperature brittleness ℃ | GB/T1682-1994 | -45 | -44 | -45 | -30 |
| Tensile strength retention rate % | GB/T1040-2006 | 98.8 | 99.1 | 98.7 | 95.2 |
Claims (1)
1. a thermoplastic elastomer, by the following raw material according to weight part meter, made: 10 parts of cis-1,4-polybutadiene rubbers, 2 parts of methyl phenyl silicone resins, 10 parts of chloroprene rubbers, 5 parts of acrylic elastomers, 1 part of diphenyl methane dimaleimide, 12 parts of polyethylene, 15 parts of chlorinatedpolyethylenees, 8 parts of polystyrene, 7 parts of styrene-butadiene copolymers, 20 parts of polyoxyethylenes, 2 parts of polyoxyethylene glycol, 1 part of dibasic lead phosphite, 1 part of the two dodecane ester of thio-2 acid, N, 1 part of N-diacetyl adipyl two hydrazides, 3 parts, glass fibre, 5 parts of two ethylene stearic amides, 3 parts of stearic acid, 6 parts of silicone, 5 parts of citric acids, 4 parts, softening agent, 8 parts of dispersion agents, 15 parts of stopping composition, preparation method is: S1 mixes each component raw material, S2 adds S1 gained mixture in twin screw extruder, and the temperature of forcing machine and mouthful mould is controlled within the scope of 200 ℃, and screw speed is 260 rpm, S3 granulation, obtains, the molecular weight ranges of described polyoxyethylene is 10000～200000, the molecular weight ranges of polyoxyethylene glycol is 8000～20000, described polyethylene is high density polyethylene(HDPE), described softening agent is pentaerythritol ester, described dispersion agent is polyethylene wax, described stopping composition is white carbon black.
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| CN201210351544.3A CN102876001B (en) | 2012-09-20 | 2012-09-20 | Anti-aging thermoplastic elastomer |
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| CN201210351544.3A CN102876001B (en) | 2012-09-20 | 2012-09-20 | Anti-aging thermoplastic elastomer |
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| CN102876001A CN102876001A (en) | 2013-01-16 |
| CN102876001B true CN102876001B (en) | 2014-08-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103509351A (en) * | 2013-09-05 | 2014-01-15 | 安徽省科林电子有限公司 | Aging-resistant insulating sheath material for transformer and preparation method thereof |
| CN103724737B (en) * | 2013-11-26 | 2015-11-04 | 沃太能源南通有限公司 | A kind of preparation method of composite organic-inorganic material of bearing |
| MX2017013908A (en) * | 2015-04-27 | 2018-06-11 | Univ Michigan Regents | Durable icephobic surfaces. |
| CN105949538A (en) * | 2016-05-25 | 2016-09-21 | 南通慧源塑胶有限公司 | Anti-impact high-elasticity rubber material |
| CN108912440A (en) * | 2018-05-28 | 2018-11-30 | 安徽顺彤包装材料有限公司 | A kind of uvioresistant antimicrobial composite material |
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| CN101696279A (en) * | 2009-10-22 | 2010-04-21 | 金发科技股份有限公司 | Method for preparing thermoplastic elastomer through dynamic vulcanization |
| CN102464832A (en) * | 2010-11-17 | 2012-05-23 | 宝瑞龙高分子材料(天津)有限公司 | High-temperature-resistant thermoplastic elastomer for coating vulcanized rubber hose |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11140233A (en) * | 1997-11-05 | 1999-05-25 | Sumitomo Chem Co Ltd | Rubber composition and vulcanized rubber composition |
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|---|---|---|---|---|
| CN101696279A (en) * | 2009-10-22 | 2010-04-21 | 金发科技股份有限公司 | Method for preparing thermoplastic elastomer through dynamic vulcanization |
| CN102464832A (en) * | 2010-11-17 | 2012-05-23 | 宝瑞龙高分子材料(天津)有限公司 | High-temperature-resistant thermoplastic elastomer for coating vulcanized rubber hose |
Non-Patent Citations (5)
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| "共混型热塑性弹性体的制备技术";陈金周等;《上海塑料》;20050630(第2期);第4-8页 * |
| Dane K. Parker等.""偶氮_氢化"丁苯橡胶（HSBR）和顺丁橡胶（HBR）热塑性弹性体的制备、性能及用途".《橡胶参考资料》.1995,(第1期),第48-54页，表1. |
| Dane K. Parker等.""偶氮_氢化"丁苯橡胶(HSBR)和顺丁橡胶(HBR)热塑性弹性体的制备、性能及用途".《橡胶参考资料》.1995,(第1期),第48-54页,表1. * |
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Effective date of registration: 20151204 Address after: 518000 Guangdong province Shenzhen City Pingshan Pingshan area Bi Ling Jie (Ping) Wanda Industrial Area No. 1 Building No. -4 Patentee after: Shenzhen City Wandajie Plastic Co., Ltd. Address before: 7 groups of friendship village Songling town of Wujiang District of Suzhou City, Jiangsu province 215222 split eight community Patentee before: SUZHOU HUANYAN ELECTRICAL CO., LTD. |
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Address after: 518000 Guangdong province Shenzhen City Pingshan Pingshan area Bi Ling Jie (Ping) Wanda Industrial Area No. 1 Building No. -4 Patentee after: Shenzhen Wanda Jie environmental protection new materials Limited by Share Ltd Address before: 518000 Guangdong province Shenzhen City Pingshan Pingshan area Bi Ling Jie (Ping) Wanda Industrial Area No. 1 Building No. -4 Patentee before: Shenzhen City Wandajie Plastic Co., Ltd. |