CN103613837A - Ethylene-acrylic ester rubber composition capable of improving fuel resistance - Google Patents

Ethylene-acrylic ester rubber composition capable of improving fuel resistance Download PDF

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Publication number
CN103613837A
CN103613837A CN201310589942.3A CN201310589942A CN103613837A CN 103613837 A CN103613837 A CN 103613837A CN 201310589942 A CN201310589942 A CN 201310589942A CN 103613837 A CN103613837 A CN 103613837A
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China
Prior art keywords
ethylene
acrylic ester
ester rubber
parts
rubber composition
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CN201310589942.3A
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Chinese (zh)
Inventor
张洪起
陈亮
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Tianjin Pengling Rubber Hose Co Ltd
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Tianjin Pengling Rubber Hose Co Ltd
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Priority to CN201310589942.3A priority Critical patent/CN103613837A/en
Publication of CN103613837A publication Critical patent/CN103613837A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention provides an ethylene-acrylic ester rubber composition capable of improving fuel resistance. The ethylene-acrylic ester rubber composition comprises 80-90 parts of ethylene-acrylic ester rubber, 10-20 parts of acrylic ester rubber, 55-65 parts of carbon black N550, 3-6 parts of plasticizer TP-759, 2.5 parts of stearic acid, 1 part of anti-coking agent 18D, 1 part of anti-aging agent 445, 2 parts of processing aid WB222, 1.2-1.4 parts of vulcanizing agent DIAK No. 1 and 1 part of assistant vulcanizing agent ACT-55. The ethylene-acrylic ester rubber composition provided by the invention can meet the requirements, obviously improve the fuel resistance, ensure a processing technology of the ethylene-acrylic ester rubber composition and expand the range of applications of the ethylene-acrylic ester rubber in rubber hoses in automobile industry.

Description

Improve the ethylene acrylic rubber composition for rubber of fuel resistance
Technical field
The present invention relates to the technical field of the non-oil fuel pipe rubber hose of automobile, relate in particular to crankcase recycle system flexible pipe and containing the flexible pipe of fuel vapor.
Background technology
In recent years, automobile industry development is swift and violent, highly promising, and major cause has two: one, and Chinese market is huge, populous, and demand continues to increase; Its two, made in China is with the obvious advantage, moral standing density causes greatly low continuous each famous brand automobile factory of the world that attracting of the price of labour power, along with the development of car industry, Automobile Parts Industry is also at seeking breakthrough, constantly promotes self research and development water and manufacture level.
In each system of automobile, oil transportation rubber hose pipeline is more, by the significance level of security, divides and is evident as fuel oil rubber hose piping system, non-fuel oil rubber hose piping system.Non-fuel oil rubber hose piping system comprises power-assisted steering, the rubber hose pipeline of speed change system and engine oil recycle system, and the material of application is mostly chlorosulfonated polyethylene rubber, paracril, chlorohydrin rubber, ethylene-acrylate rubber, acrylic elastomer, wherein chlorosulfonated polyethylene rubber is compared oil resistant, thermotolerance is the poorest, paracril, chlorohydrin rubber is slightly good at resistance to fuel oil, but heat-resisting etc. too low, and the heat-resisting oil-proofness of acrylic elastomer is all better, the fuel oil-gas of especially resistance to trace, but at it the poorest aspect complete processing, ethylene-acrylate rubber thermotolerance, oil-proofness is better equally, but the highest oil-proofness of its cost is not so good as acrylic elastomer, and its good processing characteristics, the over-all properties of heat-resisting oil resistant is best, so ethylene-acrylate rubber is subject to the favor of vast automobile factory, but because of the restriction in engine room self space, part pipeline contains micro-fuel oil-gas, institute thinks raising security, need to promote the fuel resistance of non-fuel oil rubber hose.
Summary of the invention
In view of the foregoing, ethylene acrylic rubber composition for rubber of the present invention, can meet this demand, can obviously improve fuel resistance energy and guarantee self complete processing, has expanded the range of application of ethylene-acrylate rubber in automotive industry rubber hose.
AEM rubber combination component of the present invention and mass fraction are as follows:
Component Mass fraction
Ethylene-acrylate rubber 80～90
Acrylic elastomer 10～20
Carbon black N550 55～65
Softening agent TP-759 3～6
Stearic acid 2.5
Scorch retarder 18D 1
Anti-aging agent 445 1
Processing aid WB222 2
Vulcanizing agent DIAK No.1 1.2～1.4
[0007]?
Cocuring agent ACT-55 1
Therein ethylene acrylic elastomer and acrylic elastomer use, consumption adds up to 100 parts.
By containing ethene and vinyl acetate between to for plastic in acrylic elastomer molecular structure, when guaranteeing rubbery intensity, improved thermotolerance oil-proofness, when with ethylene-acrylate rubber blend, can effectively improve oil resistance, guarantee that rubber meets requirement of strength and good processing characteristics simultaneously.
Accompanying drawing explanation
Fig. 1: the oil deterioration of resistance to bavin Data Comparison figure.
Fig. 2: fuel-proof aging Data Comparison figure.
Embodiment
Below in conjunction with a large amount of actual tests, the present invention is further illustrated.
Component Comparison example Example 1 Example 2 Example 3 Example 4 Example 5 Example 6
Ethylene-acrylate rubber AEM 100 90 90 90 80 80 80
Acrylic elastomer ER —— 10 10 10 20 20 20
Carbon black N550 60 55 60 65 55 60 65
Softening agent TP-759 5 6 3 3 3 5 6
Stearic acid 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Scorch retarder 18D 1 1 1 1 1 1 1
Anti-aging agent 445 1 1 1 1 1 1 1
Processing aid WB222 2 2 2 2 2 2 2
Vulcanizing agent DIAK No.1 1.2 1.3 1.1 1.3 1.1 1.3 1.1
Cocuring agent ACT-55 1 1 1 1 1 1 1
Fundamental property Comparison example Example 1 Example 2 Example 3 Example 4 Example 5 Example 6
Tensile strength, MPa 14.8 13.9 15.1 15.7 14.7 14.5 16.1
Elongation rate of tensile failure, % 268 291 255 248 267 259 268
Hardness, Shao Er A 68.5 67.1 71.7 72.4 69.1 68.7 70.5
23 ℃ * 46h of resistance to diesel oil ? ? ? ? ? ? ?
Tensile strength velocity of variation, % -35.1 -25.4 -29.3 -28.7 -29.7 -28.6 -27.2
Break elongation change, % -40.7 -33.4 -35.9 -36.2 -35.9 -35.7 -36.4
Changes in hardness, Shao Er A -18.7 -14.6 -15.1 -15.4 -15.8 -15.3 -15.1
Changes in weight, % 30.9 22.4 24.0 23.4 20.6 21.4 22.4
23 ℃ * 46h of resistance to gasoline ? ? ? ? ? ? ?
Tensile strength velocity of variation, % -37.1 -27.4 -29.3 -28.7 -29.7 -28.6 -29.2
Break elongation change, % -43.7 -36.4 -35.9 -37.2 -38.3 -37.8 -39.0
[0014]?
Changes in hardness, Shao Er A -22.7 -18.2 -17.8 -18.5 -17.9 -18.6 -17.9
Changes in weight, % 31.7 25.6 27.9 28.7 23.6 24.4 25.5
Ethylene-acrylate rubber is the ethylene-acrylate rubber AEM that du pont company produces, the acrylic elastomer ER that acrylic elastomer selects NEC chemical company to produce, the data that obtain by embodiment, can find out, rubber stock of the present invention has improved thermotolerance oil-proofness when guaranteeing rubbery intensity, guarantee that rubber meets requirement of strength and good processing characteristics simultaneously, by to resistance to diesel oil and vapour oil deterioration Data Comparison figure, as shown in Figure 1 and Figure 2, by curve comparison, obviously finding that oil resistant, heat-proof aging improve a lot.

Claims (1)

1. improve an ethylene acrylic rubber composition for rubber for fuel resistance, it is characterized in that component and mass fraction are as follows:
Figure FDA0000418401840000011
Therein ethylene acrylic elastomer and acrylic elastomer use, consumption adds up to 100 parts.
CN201310589942.3A 2013-11-20 2013-11-20 Ethylene-acrylic ester rubber composition capable of improving fuel resistance Pending CN103613837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310589942.3A CN103613837A (en) 2013-11-20 2013-11-20 Ethylene-acrylic ester rubber composition capable of improving fuel resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310589942.3A CN103613837A (en) 2013-11-20 2013-11-20 Ethylene-acrylic ester rubber composition capable of improving fuel resistance

Publications (1)

Publication Number Publication Date
CN103613837A true CN103613837A (en) 2014-03-05

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Country Status (1)

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CN (1) CN103613837A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104559000A (en) * 2015-01-21 2015-04-29 山东美晨科技股份有限公司 Acrylate and ethylene acrylate rubber composite structure hose and processing process thereof
CN105237929A (en) * 2015-11-18 2016-01-13 南京七四二五橡塑有限责任公司 Environment-friendly low-cost acrylate sizing material
US20160238164A1 (en) * 2015-02-18 2016-08-18 Sumitomo Riko Company Limited Acrylic rubber composition for heat-resistant hose and heat-resistant hose using the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201462234U (en) * 2009-08-07 2010-05-12 上海尚翔汽车胶管有限公司 Environmentally-friendly fuel oil rubber tube
CN102093623A (en) * 2010-09-24 2011-06-15 天津鹏翎胶管股份有限公司 Crankcase ventilation rubber hose and machining method thereof
CN102276953A (en) * 2011-07-07 2011-12-14 天津鹏翎胶管股份有限公司 Acrylate rubber (ACM) and ethylene acrylate rubber (AEM) combined composition
CN102477179A (en) * 2010-11-25 2012-05-30 比亚迪股份有限公司 Oil-proof rubber composition, and oil-proof rubber and its preparation method
CN102993550A (en) * 2012-12-04 2013-03-27 天津鹏翎胶管股份有限公司 Alpha-ethyl mescaline (AEM) rubber composition for diesel oil-resistant positive crankcase ventilation hose

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201462234U (en) * 2009-08-07 2010-05-12 上海尚翔汽车胶管有限公司 Environmentally-friendly fuel oil rubber tube
CN102093623A (en) * 2010-09-24 2011-06-15 天津鹏翎胶管股份有限公司 Crankcase ventilation rubber hose and machining method thereof
CN102477179A (en) * 2010-11-25 2012-05-30 比亚迪股份有限公司 Oil-proof rubber composition, and oil-proof rubber and its preparation method
CN102276953A (en) * 2011-07-07 2011-12-14 天津鹏翎胶管股份有限公司 Acrylate rubber (ACM) and ethylene acrylate rubber (AEM) combined composition
CN102993550A (en) * 2012-12-04 2013-03-27 天津鹏翎胶管股份有限公司 Alpha-ethyl mescaline (AEM) rubber composition for diesel oil-resistant positive crankcase ventilation hose

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104559000A (en) * 2015-01-21 2015-04-29 山东美晨科技股份有限公司 Acrylate and ethylene acrylate rubber composite structure hose and processing process thereof
CN104559000B (en) * 2015-01-21 2016-08-24 山东美晨科技股份有限公司 Acrylate and ethylene-acrylate rubber composite construction flexible pipe and processing technique thereof
US20160238164A1 (en) * 2015-02-18 2016-08-18 Sumitomo Riko Company Limited Acrylic rubber composition for heat-resistant hose and heat-resistant hose using the same
CN105885317A (en) * 2015-02-18 2016-08-24 住友理工株式会社 Acrylic rubber composition for heat-resistant hose, heat-resistant hose using same and producing method thereof
CN105885317B (en) * 2015-02-18 2018-04-24 住友理工株式会社 Heat-resistant hose acrylic rubber composition and heat-resistant hose and its preparation method
CN105237929A (en) * 2015-11-18 2016-01-13 南京七四二五橡塑有限责任公司 Environment-friendly low-cost acrylate sizing material

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Application publication date: 20140305