CN102977532A - Acrylate rubber composition - Google Patents
Acrylate rubber composition Download PDFInfo
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- CN102977532A CN102977532A CN2012104945222A CN201210494522A CN102977532A CN 102977532 A CN102977532 A CN 102977532A CN 2012104945222 A CN2012104945222 A CN 2012104945222A CN 201210494522 A CN201210494522 A CN 201210494522A CN 102977532 A CN102977532 A CN 102977532A
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Abstract
The invention relates to an acrylate rubber composition which comprises acrylate rubber, butadiene-acrylonitrile rubber, cis-butadiene rubber, sulphur, zinc oxide, stearic acid, trithiocyanuric acid, an accelerant ZBX, an activator DBA, an anti-aging agent D, an anti-aging agent 2246, diethyl ethaneioate, semi-reinforcing furnace black, fast extrusion furnace black and isopropyl triisostearoyltitanate. According to the invention, the low-temperature cold resistance of the acrylate rubber is improved by use of the butyronitrile and butadiene rubber, the cold resistance is obviously improved in comparison with the traditional formula of acrylate rubber, the brittleness temperature can reach minus 40 DEG C without causing fracture, and the oil resistance is still good. By utilizing the acrylate rubber composition provided by the invention, the defects of acrylic ester in use are overcome, the performance such as oil resistance of rubber is not obviously changed, and the requirements on the oil resistance and cold resistance of a rubber product for an automobile are met.
Description
Technical field
The present invention relates to the rubber technology field, particularly the winter hardiness acrylate rubber composition.
Background technology
Rubber item more and more is widely used in the fields such as automobile, aerospace, oil production, deep development along with these fields, its demand to rubber constantly increases, also more and more harsher to the performance requriements of rubber simultaneously, the resistance to low temperature of the rubber item that uses for automotive field is had higher requirement.Because a particular job environment of rubber item, need to have good oil resistant solvent resistance and long-time under cold condition in keep stablizing.
Temperature limit of brittleness is the most frequently used method for expressing of rubber low temperature resistance performance, refers to the top temperature that sample occurs breaking when low temperature is subjected to certain surging force, and the top temperature that occurs breaking is lower, and low temperature winter hardiness is better
Acrylic elastomer is to be principal monomer by acrylate, and the high polymer with forming with the monomer copolymerization of the active group that crosslinking reaction can be provided on a small quantity belongs to specialty elastomer.This type of polymer molecule is the saturated bond structure because of its main chain, thereby has the preferably performance such as heat-resisting, weather-proof, oil resistant and anti-ozone.These good characteristics that acrylic elastomer has, make it have very large application potential, but the lateral chain of ester group of acrylic elastomer affects the low-temperature performance of rubber, at low temperatures hardening and lose elasticity of rubber, development along with automotive industry, constantly promoting acrylic elastomer to change in manufacturing and processing, in the process that Domestic Automotive Industry is progressively drawn close to advanced international standard, demand to acrylic elastomer constantly enlarges, if can improve its cold property, the use value of acrylic elastomer will double.
Summary of the invention
Purpose of the present invention mainly is a kind of acrylate rubber composition of exploitation, further improve its winter hardiness, guarantee that simultaneously other performance did not have obviously to change or change to occur in the allowed band when adding some auxiliary agent improved winter hardiness, guarantee cold-resistant effect and other performance requriements of sizing material.
Acrylic elastomer has excellent heat aging property, and solvent resistance is also better, but its low-temperature performance is bad, and dynamic mechanical, processing characteristics are relatively poor.Determine that by the practice of the data of searching and lot of experiments acrylic elastomer and paracril, cis-1,4-polybutadiene rubber consistency are better, can and be used for improving the low temperature winter hardiness of acrylic elastomer; Add paracril and can improve the physical and mechanical propertiess such as compression set of acrylic elastomer, shorten curing time, improve work efficiency, improve when mixing the processing performances such as roll banding; And with cis-1,4-polybutadiene rubber and under the effect of various auxiliary agents, increase phase interface and reduce intermolecular reactive force, increase inner plasticity, thereby reduce and with the low temperature winter hardiness of glue.
Acrylate rubber composition component of the present invention and ratio of quality and the number of copies are:
| Component | Mass fraction |
| Acrylic elastomer | 40~80 |
| Paracril | 15~40 |
| Cis-1,4-polybutadiene rubber | 5~20 |
| Sulphur | 1~5 |
| Zinc oxide | 1~5 |
| Stearic acid | 2~6 |
| Trithiocyanuric acid | 5~9 |
| Promotor ZBX | 1~3 |
| Promoting agent DBA | 0.5~2 |
| Antioxidant D | 0.5~1.5 |
| Antioxidant 2246 | 1~2.5 |
| The oxalic acid diester | 5~9 |
| Semi-reinforcing furnace black | 10~20 |
| Fast extruding furnace black | 20~30 |
| Isopropyl triisostearoyl titanate | 1.5~3.5 |
Wherein acrylic elastomer and butyronitrile, cis-1,4-polybutadiene rubber total are preferably 100 parts.
By adopting acrylic elastomer and butyronitrile, three kinds of rubber blendings of cis-1,4-polybutadiene rubber and under the acting in conjunction of multiple auxiliary agent, the low temperature winter hardiness of acrylic elastomer has had further raising, temperature limit of brittleness can reach-40 ℃ of non-crackings and oil-proofness still good, other performances of rubber obviously do not change yet.
The raising of acrylic elastomer winter hardiness has also improved the use value of rubber simultaneously, for acrylic elastomer material and goods thereof in automotive field, the field of petrochemical industry important in inhibiting that can better play a role, safety control and the work-ing life of having improved goods.
Embodiment
Winter hardiness acrylate rubber composition embodiment:
In mass fraction:
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Acrylic elastomer | 60 | 70 | 50 | 40 | 80 |
| Paracril | 25 | 20 | 30 | 40 | 15 |
| Cis-1,4-polybutadiene rubber | 15 | 10 | 20 | 20 | 5 |
| Sulphur | 3 | 5 | 4 | 1 | 2 |
| Zinc oxide | 2 | 5 | 1 | 4 | 3 |
| Stearic acid | 5 | 3 | 6 | 2 | 5 |
| Trithiocyanuric acid | 8 | 9 | 7 | 5 | 6 |
| Promotor ZBX | 1.5 | 2.5 | 1 | 2 | 3 |
| Promoting agent DBA | 0.5 | 1 | 2 | 0.7 | 1.5 |
| Antioxidant D | 1 | 0.5 | 0.7 | 1.5 | 0.5 |
| Antioxidant 2246 | 1.2 | 1.8 | 1 | 2.5 | 2 |
| The oxalic acid diester | 5 | 9 | 8 | 6 | 7 |
| Semi-reinforcing furnace black | 15 | 12 | 10 | 18 | 20 |
| Fast extruding furnace black | 25 | 20 | 30 | 28 | 22 |
| Isopropyl triisostearoyl titanate | 3.5 | 2.5 | 1.5 | 3 | 2 |
| Add up to | 170.7 | 171.3 | 172.2 | 173.7 | 174 |
Carry out common mixed refining process by starting material and consumption in the listed prescription:
1, rubber, starting material weighing
2, refining-lower sheet section is opened in one section banburying-
3, refining-lower sheet section is opened in two sections banburyings-two
4, sulfide film
5, cut style by standard
6. test detection
The below uses paracril, cis-1,4-polybutadiene rubber to improve the test-results of acrylic elastomer low temperature winter hardiness:
By the summary to above-mentioned test, the low temperature cold tolerance of selecting butyronitrile, cis-1,4-polybutadiene rubber to improve acrylic elastomer is compared winter hardiness with conventional acrylic ester rubber compounding and is significantly improved, and temperature limit of brittleness can be up to still good to 40 ℃ of non-crackings and oil-proofness.Remedied acrylate deficiency in the use, and the performances such as oil resistant of rubber obviously do not change, satisfied the requirement of automotive rubber products oil resistant, cold tolerance.
The acrylate rubber composition that the present invention proposes, describe in detail by above, person skilled obviously can be within not breaking away from content of the present invention, spirit and scope to prescription as herein described and the preparation method changes or suitably change realize the technology of the present invention with combination.Special needs to be pointed out is, the replacement that all are similar and change apparent to those skilled in the artly, they are deemed to be included in spirit of the present invention, scope and the content.
Claims (2)
1. acrylate rubber composition is characterized in that component and mass fraction are as follows:
40 ~ 80 parts of acrylic elastomers,
15 ~ 40 parts of paracrils,
5 ~ 20 parts of cis-1,4-polybutadiene rubbers,
1 ~ 5 part in sulphur,
1 ~ 5 part in zinc oxide,
2 ~ 6 parts of stearic acid,
5 ~ 9 parts of trithiocyanuric acids,
1 ~ 3 part of promotor ZBX,
0.5 ~ 2 part of promoting agent DBA,
0.5 ~ 1.5 part of antioxidant D,
1 ~ 2.5 part of antioxidant 2246,
5 ~ 9 parts of oxalic acid diester,
10 ~ 20 parts of semi-reinforcing furnace black,
20 ~ 30 parts of fast extruding furnace blacks,
Isopropyl triisostearoyl titanate 1.5 ~ 3.5.
2. acrylate rubber composition as claimed in claim 1 is characterized in that acrylic elastomer and butyronitrile, cis-1,4-polybutadiene rubber add up to 100 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104945222A CN102977532A (en) | 2012-11-27 | 2012-11-27 | Acrylate rubber composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104945222A CN102977532A (en) | 2012-11-27 | 2012-11-27 | Acrylate rubber composition |
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| CN102977532A true CN102977532A (en) | 2013-03-20 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435864A (en) * | 2013-07-17 | 2013-12-11 | 天津鹏翎胶管股份有限公司 | Acrylonitrile-butadiene rubber composition |
| CN103951922A (en) * | 2014-04-11 | 2014-07-30 | 浙江三星胶带有限公司 | Acrylate synchronous belt |
| CN104086718A (en) * | 2014-07-02 | 2014-10-08 | 安徽宁国尚鼎橡塑制品有限公司 | Rubber material for automobile oil seal |
| CN106519523A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | Automobile high-cold-resistance acrylate adhesive and preparation method and application thereof |
| CN106519524A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | High cold-resistant acrylate rubber material and preparation method and application thereof |
| CN106751294A (en) * | 2016-11-18 | 2017-05-31 | 郑州丽福爱生物技术有限公司 | A kind of high strength acrylic acid esters sizing material and preparation method and application |
| CN109749157A (en) * | 2017-11-02 | 2019-05-14 | 丹阳市贝尔特橡塑制品有限公司 | A kind of oil-resistant rubber material |
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| US4654402A (en) * | 1984-11-27 | 1987-03-31 | Monsanto Company | Graft polymer of acrylic ester rubber and polyolefin |
| CN1313356A (en) * | 2001-04-04 | 2001-09-19 | 南开大学 | Modified nitrile rubber and its preparing process |
| CN1861678A (en) * | 2006-05-19 | 2006-11-15 | 北京化工大学 | Preparation process of easy processing cold resisting type polyacrylate rubber |
| US20090062434A1 (en) * | 2007-08-31 | 2009-03-05 | Zhong-Ren Chen | Method of improving affinity between filler and polymers having a low degree of unsaturation |
| CN102417628A (en) * | 2011-10-31 | 2012-04-18 | 铜陵新特阀门有限责任公司 | O-shaped seal ring rubber sizing material of parallel gate valve end surfaces and preparation method thereof |
| CN102604172A (en) * | 2012-03-12 | 2012-07-25 | 天津鹏翎胶管股份有限公司 | Heat-resistant nitrile butadiene rubber composition |
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2012
- 2012-11-27 CN CN2012104945222A patent/CN102977532A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4654402A (en) * | 1984-11-27 | 1987-03-31 | Monsanto Company | Graft polymer of acrylic ester rubber and polyolefin |
| CN1313356A (en) * | 2001-04-04 | 2001-09-19 | 南开大学 | Modified nitrile rubber and its preparing process |
| CN1861678A (en) * | 2006-05-19 | 2006-11-15 | 北京化工大学 | Preparation process of easy processing cold resisting type polyacrylate rubber |
| US20090062434A1 (en) * | 2007-08-31 | 2009-03-05 | Zhong-Ren Chen | Method of improving affinity between filler and polymers having a low degree of unsaturation |
| CN102417628A (en) * | 2011-10-31 | 2012-04-18 | 铜陵新特阀门有限责任公司 | O-shaped seal ring rubber sizing material of parallel gate valve end surfaces and preparation method thereof |
| CN102604172A (en) * | 2012-03-12 | 2012-07-25 | 天津鹏翎胶管股份有限公司 | Heat-resistant nitrile butadiene rubber composition |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435864A (en) * | 2013-07-17 | 2013-12-11 | 天津鹏翎胶管股份有限公司 | Acrylonitrile-butadiene rubber composition |
| CN103951922A (en) * | 2014-04-11 | 2014-07-30 | 浙江三星胶带有限公司 | Acrylate synchronous belt |
| CN103951922B (en) * | 2014-04-11 | 2018-01-26 | 浙江三星胶带有限公司 | Acrylate timing belt |
| CN104086718A (en) * | 2014-07-02 | 2014-10-08 | 安徽宁国尚鼎橡塑制品有限公司 | Rubber material for automobile oil seal |
| CN106519523A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | Automobile high-cold-resistance acrylate adhesive and preparation method and application thereof |
| CN106519524A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | High cold-resistant acrylate rubber material and preparation method and application thereof |
| CN106751294A (en) * | 2016-11-18 | 2017-05-31 | 郑州丽福爱生物技术有限公司 | A kind of high strength acrylic acid esters sizing material and preparation method and application |
| CN109749157A (en) * | 2017-11-02 | 2019-05-14 | 丹阳市贝尔特橡塑制品有限公司 | A kind of oil-resistant rubber material |
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Application publication date: 20130320 |