CN105482188A - Formula of low-temperature-resistant nitrile rubber - Google Patents
Formula of low-temperature-resistant nitrile rubber Download PDFInfo
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- CN105482188A CN105482188A CN201410480924.6A CN201410480924A CN105482188A CN 105482188 A CN105482188 A CN 105482188A CN 201410480924 A CN201410480924 A CN 201410480924A CN 105482188 A CN105482188 A CN 105482188A
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Abstract
The invention discloses a formula of low-temperature-resistant nitrile rubber. The low-temperature-resistant nitrile rubber comprises 90-110phr of raw rubber, 100-110phr of a filling material, 8phr of zinc oxide, 3phr of stearic acid, 5phr of coumarone, 2-3phr of an anti-aging agent, 0.3phr of sulfur S, 0.5phr of a vulcanization accelerator D, and 3phr of a vulcanization accelerator M. With a cold resistant plasticizer DOS adopted by the rubber, the low-temperature resistance of the low-temperature-resistant nitrile rubber is effectively improved. With the active agent zinc oxide, stearic acid and the combination of the vulcanization accelerator D and the vulcanization accelerator M, the fluidity of the low-temperature-resistant nitrile rubber during a vulcanization process is effectively improved. The formula is suitable to be used for producing sealing products with complicated irregular-shaped sections.
Description
Technical field
Patent of the present invention relates to a kind of formula of rubber, particularly the low temperature resistant paracril formula of one.
Background technology
Paracril is obtained through emulsion polymerization by divinyl and vinyl cyanide, and paracril mainly adopts emulsion polymerization at low temperature to produce, and oil-proofness is fabulous, and wear resistance is higher, and thermotolerance is better, and bonding force is strong.Its shortcoming is that lower temperature resistance is poor, ozone resistance is poor, and electrical property is inferior, and elasticity is slightly low.Paracril is mainly for the manufacture of oil resisting rubber goods.
Summary of the invention
The object of the invention is the deficiency existed for prior art, a kind of low temperature resistant paracril formula that can normally use at low ambient temperatures is provided.
For achieving the above object, the technical scheme that the low temperature resistant paracril formula of the present invention adopts is:
A kind of low temperature resistant paracril formula, comprises rubber 90-110phr, filler 100-110phr, zinc oxide 8phr, stearic acid 3phr, coumarone 5phr, anti-aging agent 2-3phr, sulphur S0.3phr, accelerator D 0.5phr, accelerator M 3phr.
Rubber is NBR, and filler comprises carbon black 95phr and softening agent DOS8phr.
In rubber NBR, the rubber of low acrylonitrile content is in the ratio mixed preparing of 2:8.
Described anti-aging agent comprises MB1phr and 4010NA1phr.
The present invention compared with prior art, has the following advantages:
Cold resistant plasticizer DOS effectively raises the resistance to low temperature of low temperature resistant paracril; The combination of promoting agent zinc oxide, stearic acid and accelerator D and accelerator M effectively raises the mobility in the sulfidation of low temperature resistant paracril, is applicable to the sealing article producing Complex Different Shape cross section.In rubber NBR, the rubber of low acrylonitrile content in the ratio mixed preparing of 2:8, add cold resistant plasticizer DOS, further increase the resistance to low temperature of low temperature resistant paracril.
Embodiment
Below in conjunction with embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Specific embodiment one
A kind of low temperature resistant paracril formula, comprises NBR100phr, carbon black 95phr, softening agent DOS8phr, zinc oxide 8phr, stearic acid 3phr, coumarone 5phr, MB1phr, 4010NA1phr, sulphur S0.3phr, accelerator D 0.5phr, accelerator M 3phr.In rubber NBR, the rubber of low acrylonitrile content is in the ratio mixed preparing of 2:8.
Embodiment two
A kind of low temperature resistant paracril formula, comprises NBR110phr, carbon black 92phr, softening agent DOS8phr, zinc oxide 8phr, stearic acid 3phr, coumarone 5phr, MB1.5phr, 4010NA1.5phr, sulphur S0.3phr, accelerator D 0.5phr, accelerator M 3phr.In rubber NBR, the rubber of low acrylonitrile content is in the ratio mixed preparing of 2:8.
Embodiment three
A kind of low temperature resistant paracril formula, comprises NBR90phr, carbon black 102phr, softening agent DOS8phr, zinc oxide 8phr, stearic acid 3phr, coumarone 5phr, MB1phr, 4010NA1phr, sulphur S0.3phr, accelerator D 0.5phr, accelerator M 3phr.In rubber NBR, the rubber of low acrylonitrile content is in the ratio mixed preparing of 2:8.
Performance formula parameter is as follows:
Claims (4)
1. a low temperature resistant paracril formula, is characterized in that: comprise rubber 90-110phr, filler 100-110phr, zinc oxide 8phr, stearic acid 3phr, coumarone 5phr, anti-aging agent 2-3phr, sulphur S0.3phr, accelerator D 0.5phr, accelerator M 3phr.
2. low temperature resistant paracril formula according to claim 1, it is characterized in that: rubber is NBR, filler comprises carbon black 95phr and softening agent DOS8phr.
3. low temperature resistant paracril formula according to claim 1 and 2, is characterized in that: in rubber NBR, the rubber of low acrylonitrile content is in the ratio mixed preparing of 2:8.
4. low temperature resistant paracril formula according to claim 1 and 2, is characterized in that: described anti-aging agent comprises MB1phr and 4010NA1phr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480924.6A CN105482188A (en) | 2014-09-19 | 2014-09-19 | Formula of low-temperature-resistant nitrile rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480924.6A CN105482188A (en) | 2014-09-19 | 2014-09-19 | Formula of low-temperature-resistant nitrile rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105482188A true CN105482188A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410480924.6A Pending CN105482188A (en) | 2014-09-19 | 2014-09-19 | Formula of low-temperature-resistant nitrile rubber |
Country Status (1)
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| CN (1) | CN105482188A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243419A (en) * | 2016-07-29 | 2016-12-21 | 王莹 | A kind of tolerance to cold nitrile rubber |
| CN110003543A (en) * | 2019-04-09 | 2019-07-12 | 扬州华通橡塑有限公司 | A kind of rail traffic seal ball-valve of resistance to extremely low temperature rubber and preparation method thereof |
| CN111171408A (en) * | 2020-02-14 | 2020-05-19 | 长欣胶业(上海)有限公司 | Low-content polycyclic aromatic hydrocarbon rubber compound and preparation method thereof |
| CN114835957A (en) * | 2022-04-22 | 2022-08-02 | 浙江宏昇汽车部件有限公司 | Nitrile rubber film for nitrogen discharge valve and preparation method thereof |
-
2014
- 2014-09-19 CN CN201410480924.6A patent/CN105482188A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243419A (en) * | 2016-07-29 | 2016-12-21 | 王莹 | A kind of tolerance to cold nitrile rubber |
| CN110003543A (en) * | 2019-04-09 | 2019-07-12 | 扬州华通橡塑有限公司 | A kind of rail traffic seal ball-valve of resistance to extremely low temperature rubber and preparation method thereof |
| CN111171408A (en) * | 2020-02-14 | 2020-05-19 | 长欣胶业(上海)有限公司 | Low-content polycyclic aromatic hydrocarbon rubber compound and preparation method thereof |
| CN111171408B (en) * | 2020-02-14 | 2022-08-23 | 长欣胶业(上海)有限公司 | Low-content polycyclic aromatic hydrocarbon rubber compound and preparation method thereof |
| CN114835957A (en) * | 2022-04-22 | 2022-08-02 | 浙江宏昇汽车部件有限公司 | Nitrile rubber film for nitrogen discharge valve and preparation method thereof |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
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| WD01 | Invention patent application deemed withdrawn after publication |