CN101372540A - Rubber composition for dust prevention of shock absorber - Google Patents

Rubber composition for dust prevention of shock absorber Download PDF

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Publication number
CN101372540A
CN101372540A CNA2007101309578A CN200710130957A CN101372540A CN 101372540 A CN101372540 A CN 101372540A CN A2007101309578 A CNA2007101309578 A CN A2007101309578A CN 200710130957 A CN200710130957 A CN 200710130957A CN 101372540 A CN101372540 A CN 101372540A
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weight
parts
weight parts
carbon black
agent
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CNA2007101309578A
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CN101372540B (en
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李银寿
阚智谦
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Taizhou City Gang Yang Rubber Co ltd
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Taizhou City Gang Yang Rubber Co ltd
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Abstract

The invention provides a weather-resistant and anti-aging rubber composition for dust prevention of a shock absorber, which comprises 100 parts by weight of nitrile rubber, 45 parts by weight of N220 carbon black, 20 parts by weight of N330 carbon black, 20 parts by weight of dioctyl phthalate, 0.8-1 part by weight of sulfur, 0.8-1 part by weight of dicumyl peroxide, 2 parts by weight of an accelerator, 1.8 parts by weight of a flow agent, 5 parts by weight of zinc oxide, 3.5-4.5 parts by weight of an anti-aging agent and 102.5-3.2 parts by weight of a crack preventing agent B. The rubber product well solves the problems of low quality, no weather resistance, no use, low fatigue bending resistance and easy cracking of the prior rubber product for the dust prevention of the shock absorbers of the motorcycles and the automobiles, has more reasonable formula and better comprehensive performances of elasticity, weather resistance, ageing resistance, oil resistance and the like. As a further improvement, the ozone resistance is more excellent after 0.3 weight part of N, N' -diphenyl-p-phenylenediamine is added into the components.

Description

Rubber composition for dust prevention of vibration absorber
Technical field
The present invention relates to a kind of rubber combination, especially relate to a kind of rubber combination that is used for motorcycle, the dustproof usefulness of automobile absorber.
Background technology
Be used for motorcycle, automobile absorber dust-proof rubber combination at present, common general component is paracril 100, N330 carbon black 65, dibutylester 20, sulphur 1.8, promotor 2.5, flowing agent 2, anti-aging agent 4, zinc oxide 5, paraffin 1.5-2.5.Also having a kind of composition is paracril 100, N330 carbon black 35, N220 carbon black 30, dibutylester 20, sulphur 0.5, dicumyl peroxide 3, promotor 1.5, flowing agent 2, anti-aging agent 4, zinc oxide 5, paraffin 1.5-2.5.The rubber item quality that these two kinds of components are made is lower, not weather-proof, without low with, subduing property of antifatigue, easily be full of cracks, reliability is good inadequately when being used for dust prevention of vibration absorber.
Summary of the invention
Problem to be solved by this invention provides the rubber composition for dust prevention of vibration absorber of a kind of weather-proof anti-aging difficult be full of cracks and oil resistant good combination property.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of dust prevention of vibration absorber is with the anti-aging rubber of anti-marquis composition, it contains paracril 100 weight parts, N220 carbon black 45 weight parts, N330 carbon black 20 weight parts, dibutyl ester 20 weight parts, sulphur 0.8~1 weight part, dicumyl peroxide 0.8~1 weight part, promotor 2 weight parts, flowing agent 1.8 weight parts, zinc oxide 5 weight parts, anti-aging agent 3.5~4.5 weight parts, and be full of cracks prevents agent B102.5~3.2 weight parts.
As a further improvement on the present invention, also can in said components, add the N of 0.3 weight part again, N ' diphenyl-para-phenylene diamine.
Adopt above technical scheme, compare with existing common rubber combination, remarkable advantage of the present invention is:
1, prescription is more reasonable.By the adjustment of proportioning, use original dibutylester instead dibutyl ester, molecular weight is bigger; System has adjusted the consumption of dicumyl peroxide, having broken through must be by a little sulphur and a large amount of mutually crosslinked technical limitation of superoxide in traditional rubber process prescription, and the collaborative crosslinked finished product ozone resistance that makes this component make of the sulphur of basic identical deal and superoxide obviously strengthens; Because carbon black can not only improve the intensity of rubber item, and give rubber item with good abrasion performance, tear-resistant, heat-resisting, oil resistant, prolong the work-ing life of goods,, change whole N330 carbon blacks into a certain proportion of N220 carbon black and N330 carbon black through test of many times; Because B10 has the composition of the carbon number distribution of broad and very rational straight-chain paraffin and isoparaffin, in very wide temperature range, can both play protective effect to the ozone-induced cracking of rubber item, rationally used the be full of cracks of certain part by weight to prevent that agent B10 from can form the physical protection film at product surface, prevented that effectively be full of cracks from producing; In this component, add other auxiliary agents such as flowing agent of appropriate amount, under the prerequisite of the over-all properties that does not influence component, also help to improve complete processing.N, N ' diphenyl-para-phenylene diamine is as the general anti-aging agent of rubber, have good anti-flex crack and dynamic fatigue property, heat, oxygen, ozone, photoaging all there is certain barrier propterty, but consumption Gao Shiyi causes bloom, so in this component, selected a small amount of use, in component, add the N of 0.3 weight part, the performances such as the anti-ozone of goods that N ' diphenyl-para-phenylene diamine makes this component make are excellent more.
2, over-all properties is obviously improved.
Index Requirement for experiment condition Stock blend Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Hardness (Shao Shi) Room temperature, 60 ± 5 59 60 60 60 60
Ozone resistance 20% stretches, and 40 ± 2 ° of C * 200h, 50pphm require not have be full of cracks Be full of cracks is arranged There is not be full of cracks There is not be full of cracks There is not be full of cracks There is not be full of cracks
Weather resistance 1,500,000 flawlesses under the normal temperature Easily crack when surpassing 1,200,000 times Flawless Flawless Flawless Flawless
Tensile strength ≥13Mpa 12~13 Mpa 15Mpa 15Mpa 16Mpa 16Mpa
Tensile yield ≤350% 400% 550% 530% 500% 500%
The compression set rate 70℃×72h ≤35% 28~36% 25% 25% 25% 25%
Changes in hardness 100℃×72h≤ +15 12 7 7.5 8 8
Change rate of strength 70℃×72h ≤±15% +8% +8% +8% +8% +8%
Elongation change 70℃×72h ≤-30% -35~ -45% -25% -22% -20% -20%
No. 1 standard oil volume change 70℃×72h ≤±10% -12% -9% -9% -9% -9%
Embodiment
Further specify the present invention below by embodiment.
Embodiment 1: paracril 10KG, N220 carbon black 4.5KG, N330 carbon black 2KG, dibutyl ester 2KG, sulphur 0.1KG, dicumyl peroxide 0.1KG, promotor 0.2KG, flowing agent 0.18KG, zinc oxide 0.5KG, anti-aging agent 0.35KG, be full of cracks prevents agent B10 0.25KG.
Embodiment 2: paracril 10KG, N220 carbon black 4.5KG, N330 carbon black 2KG, dibutyl ester 2KG, sulphur 0.09KG, dicumyl peroxide 0.09KG, promotor 0.2KG, flowing agent 0.18KG, zinc oxide 0.5KG, anti-aging agent 0.4KG, be full of cracks prevents agent B10 0.28KG.
Embodiment 3: paracril 10KG, N220 carbon black 4.5KG, N330 carbon black 2KG, dibutyl ester 2KG, sulphur 0.08KG, dicumyl peroxide 0.08KG, promotor 0.2KG, flowing agent 0.18KG, zinc oxide 0.5KG, anti-aging agent 0.45KG, be full of cracks prevent agent B10 0.32KG.
Embodiment 4: paracril 10KG, N220 carbon black 4.5KG, N330 carbon black 2KG, dibutyl ester 2KG, sulphur 0.08KG, dicumyl peroxide 0.08KG, promotor 0.2KG, flowing agent 0.18KG, zinc oxide 0.5KG, anti-aging agent 0.45KG, be full of cracks prevent agent B10 3.2KG, N, N ' diphenyl-para-phenylene diamine 0.3KG.

Claims (2)

1. rubber composition for dust prevention of vibration absorber, contain paracril 100 weight parts, N220 carbon black 45 weight parts, N330 carbon black 20 weight parts, dibutyl ester 20 weight parts, sulphur 0.8~1 weight part, dicumyl peroxide 0.8~1 weight part, promotor 2 weight parts, flowing agent 1.8 weight parts, zinc oxide 5 weight parts, anti-aging agent 3.5~4.5 weight parts, be full of cracks prevents agent B10 2.5~3.2 weight parts.
2. a kind of dust prevention of vibration absorber rubber item according to claim 1 also contains the N of 0.3 weight part, N ' diphenyl-para-phenylene diamine.
CN2007101309578A 2007-08-24 2007-08-24 Rubber composition for dust prevention of vibration absorber Expired - Fee Related CN101372540B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007101309578A CN101372540B (en) 2007-08-24 2007-08-24 Rubber composition for dust prevention of vibration absorber

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Application Number Priority Date Filing Date Title
CN2007101309578A CN101372540B (en) 2007-08-24 2007-08-24 Rubber composition for dust prevention of vibration absorber

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CN101372540A true CN101372540A (en) 2009-02-25
CN101372540B CN101372540B (en) 2011-07-20

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101880413A (en) * 2010-05-24 2010-11-10 大连理工大学 Sealant for high temperature pressurized leakage stop-up
CN102675702A (en) * 2011-03-17 2012-09-19 宁波永信汽车部件制造有限公司 Ultra-anti-fatigue rubber dust cover for ball joint of automobile front swing arm
CN103642098A (en) * 2013-12-03 2014-03-19 厦门市金汤橡塑有限公司 Composition, preparation method and application thereof
CN103709470A (en) * 2013-12-19 2014-04-09 天津鹏翎胶管股份有限公司 Hot-air-ageing-resistant nitrile-butadiene rubber composition
CN104910453A (en) * 2015-05-20 2015-09-16 扬中市宏辉橡胶制品有限公司 Dust cap and preparation method thereof
CN106188717A (en) * 2016-08-15 2016-12-07 合肥万向钱潮汽车零部件有限公司 A kind of material prescription of the vehicle dust protector of antistatic
CN106750650A (en) * 2016-12-13 2017-05-31 芜湖集拓橡胶技术有限公司 A kind of motor turning anti-lock nitrile rubber shock ring formula
CN107805326A (en) * 2017-11-17 2018-03-16 江门市鑫辉密封科技有限公司 A kind of NBR for gas pin gun beam and preparation method thereof
CN109400984A (en) * 2018-09-14 2019-03-01 安徽京鸿密封件技术有限公司 A kind of new-energy automobile electricity jack dust cover and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60013750T2 (en) * 1999-12-27 2005-10-06 Sumitomo Chemical Co., Ltd. Aluminum hydroxide, tire tread composition and pneumatic tires containing aluminum hydroxide
CN100462400C (en) * 2005-12-03 2009-02-18 河北九星橡塑制品有限公司 Oil and acid-base resisting blended material and its production

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101880413A (en) * 2010-05-24 2010-11-10 大连理工大学 Sealant for high temperature pressurized leakage stop-up
CN102675702A (en) * 2011-03-17 2012-09-19 宁波永信汽车部件制造有限公司 Ultra-anti-fatigue rubber dust cover for ball joint of automobile front swing arm
CN102675702B (en) * 2011-03-17 2014-01-29 宁波永信汽车部件制造有限公司 Ultra-anti-fatigue rubber dust cover for ball joint of automobile front swing arm
CN103642098A (en) * 2013-12-03 2014-03-19 厦门市金汤橡塑有限公司 Composition, preparation method and application thereof
CN103709470A (en) * 2013-12-19 2014-04-09 天津鹏翎胶管股份有限公司 Hot-air-ageing-resistant nitrile-butadiene rubber composition
CN104910453A (en) * 2015-05-20 2015-09-16 扬中市宏辉橡胶制品有限公司 Dust cap and preparation method thereof
CN106188717A (en) * 2016-08-15 2016-12-07 合肥万向钱潮汽车零部件有限公司 A kind of material prescription of the vehicle dust protector of antistatic
CN106750650A (en) * 2016-12-13 2017-05-31 芜湖集拓橡胶技术有限公司 A kind of motor turning anti-lock nitrile rubber shock ring formula
CN107805326A (en) * 2017-11-17 2018-03-16 江门市鑫辉密封科技有限公司 A kind of NBR for gas pin gun beam and preparation method thereof
CN109400984A (en) * 2018-09-14 2019-03-01 安徽京鸿密封件技术有限公司 A kind of new-energy automobile electricity jack dust cover and preparation method thereof

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Address after: Gang Yang Yang Zhuang Cun, Hailing District of Jiangsu city in Taizhou province 225318 7 Group No. 16

Patentee after: Taizhou Gangyang Rubber Co., Ltd.

Address before: 225541 Jiangyan City, Jiangsu province people's gang Yang Yang Village Road No. 1

Patentee before: Taizhou Gangyang Rubber Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110720

Termination date: 20160824

CF01 Termination of patent right due to non-payment of annual fee