CN104072837A - Hydrogenated butadiene-acrylonitrile rubber oil seal material for small gasoline generator - Google Patents
Hydrogenated butadiene-acrylonitrile rubber oil seal material for small gasoline generator Download PDFInfo
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- CN104072837A CN104072837A CN201410261562.1A CN201410261562A CN104072837A CN 104072837 A CN104072837 A CN 104072837A CN 201410261562 A CN201410261562 A CN 201410261562A CN 104072837 A CN104072837 A CN 104072837A
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- butadiene rubber
- hydrogenated nitrile
- oil seal
- oil sealing
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Abstract
The invention discloses a hydrogenated butadiene-acrylonitrile rubber oil seal material for a small gasoline generator. The oil seal material comprises the following raw materials in parts by weight: 40-50 parts of hydrogenated butadiene-acrylonitrile rubber, 20-40 parts of para-aramid fibers, 20-32 parts of boron phenolic aldehyde, 0.5-1.5 parts of stearic acid, 3-5 parts of zinc oxide, 4-6 parts of a silane coupling agent, 2-3 parts of dicumyl peroxide, 0.2-0.3 part of sulfur powder, 1.5-2.5 parts of dibenzothiazyl disulfide, 0.5-2 parts of N-cyclohexyl-2-benzothiazole sulfonamide, 8-15 parts of oligomer ester, 0.5-1 part of an anti-ageing agent and 30-40 parts of a nano white carbon black reinforcing agent. The oil seal material is excellent in oil resistance, oxidation resistance and high temperature resistance, good in seal property and suitable for oil seal of the small gasoline generator.
Description
Technical field
The present invention relates to elastomeric material technical field, relate in particular to hydrogenated nitrile-butadiene rubber oil sealing material for a kind of minitype gas dynamotor.
Background technology
Hydrogenated nitrile-butadiene rubber (HNBR) is to carry out special hydrotreatment and a kind of HI SA highly saturated elastomerics that obtains by paracril.Hydrogenated nitrile-butadiene rubber has good oil resistance, and due to its HI SA highly saturated structure, make the resistance toheat that its tool is good, good resistance to chemical corrosion (the good anti-patience that has to freonll-11, acid, alkali), excellent ozone resistance, higher incompressible tension set performance; Hydrogenated nitrile-butadiene rubber also has high strength simultaneously, and the features such as high tear energy, wear resisting property excellence, are one of supereminent rubber of over-all properties.Along with the development of automobile, petroleum industry, rubber components, except requiring oil resistant, also needs to have excellent sealing effectiveness and resistance to oxidation and resistance to elevated temperatures good.Common hydrogenated nitrile-butadiene rubber more and more cannot satisfy the demands, although some of them purposes is replaced by viton, viton is expensive.Therefore people start to seek the improvement to hydrogenated nitrile-butadiene rubber performance.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes hydrogenated nitrile-butadiene rubber oil sealing material for a kind of minitype gas dynamotor, it has excellent oil resistant, resistance to oxidation and resistance to elevated temperatures, and good seal performance is applicable to manufacture the oil sealing of minitype gas dynamotor.
Hydrogenated nitrile-butadiene rubber oil sealing material for a kind of minitype gas dynamotor that the present invention proposes, its raw material comprises by weight:
Preferably, in described boron phenolic aldehyde, boron mass content is 5.5-9%.
Preferably, the iodine number of described hydrogenated nitrile-butadiene rubber is 7-10mg/100mg.
Preferably, the specific surface area of Nano carbon white toughener is 120-200m
2/ g.
Preferably, its raw material comprises by weight:
Preferably, its raw material comprises by weight:
In the present invention, adopt hydrogenated nitrile-butadiene rubber, para-aramid fiber and boron phenolic aldehyde are as major ingredient, make oil sealing material of the present invention there is excellent oil resistance, good seal performance, because para-aramid fiber has good thermotolerance and dimensional stability, also there is chemical resistance, high-insulativity, high tensile strength and initial elastic modulus, resistance toheat of the present invention and tensile property have significantly been improved, and boron phenolic aldehyde is because boron oxygen key has good kindliness, significantly improve toughness of the present invention, the mechanical property of oil sealing material of the present invention is improved greatly, can also improve the corrosion-resistant and resistance toheat of oil sealing material of the present invention, and in hydrogenated nitrile-butadiene rubber, there is a small amount of C=C key, oil sealing material of the present invention still can be vulcanized, using dicumyl peroxide and SULPHUR POWDER as vulcanizing agent, using dibenzothiazyl disulfide and N cyclohexyl 2 benzothiazole sulfenamide as vulcanization accelerator, strengthen the crosslinking degree between hydrogenated nitrile-butadiene rubber, para-aramid fiber and boron phenolic aldehyde, further improve oil sealing material oil resistance of the present invention and resistance to elevated temperatures, be applicable to manufacture the oil sealing of minitype gas dynamotor.
Embodiment
In embodiment 1-5, the raw material of a kind of minitype gas dynamotor use hydrogenated nitrile-butadiene rubber oil sealing material that the present invention proposes is composition as shown in the table by weight.
In embodiment 1, in boron phenolic aldehyde, boron mass content is 5.5%.
In embodiment 2, the iodine number of hydrogenated nitrile-butadiene rubber is 10mg/100mg.
In embodiment 3, the specific surface area of Nano carbon white toughener is 200m
2/ g.
In embodiment 4, the specific surface area of Nano carbon white toughener is 120m
2/ g.
In embodiment 5, in boron phenolic aldehyde, boron mass content is 9%, and the iodine number of hydrogenated nitrile-butadiene rubber is 7mg/100mg.
In hydrogenation hydrogenated nitrile-butadiene rubber oil sealing material of the present invention, adopt hydrogenated nitrile-butadiene rubber, para-aramid fiber and boron phenolic aldehyde are as major ingredient, make oil sealing material of the present invention there is excellent oil resistance, good seal performance, because para-aramid fiber has good thermotolerance and dimensional stability, also there is chemical resistance, high-insulativity, high tensile strength and initial elastic modulus, resistance toheat of the present invention and tensile property have significantly been improved, and boron phenolic aldehyde is because boron oxygen key has good kindliness, significantly improve toughness of the present invention, the mechanical property of oil sealing material of the present invention is improved greatly, can also improve the corrosion-resistant and resistance toheat of oil sealing material of the present invention, and in hydrogenated nitrile-butadiene rubber, there is a small amount of C=C key, oil sealing material of the present invention still can be vulcanized, using dicumyl peroxide and SULPHUR POWDER as vulcanizing agent, using dibenzothiazyl disulfide and N cyclohexyl 2 benzothiazole sulfenamide as vulcanization accelerator, strengthen the crosslinking degree between hydrogenated nitrile-butadiene rubber, para-aramid fiber and boron phenolic aldehyde, further improve oil sealing material oil resistance of the present invention and resistance to elevated temperatures, be applicable to manufacture the oil sealing of minitype gas dynamotor.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. a hydrogenated nitrile-butadiene rubber oil sealing material for minitype gas dynamotor, is characterized in that, its raw material comprises by weight:
2. hydrogenated nitrile-butadiene rubber oil sealing material for minitype gas dynamotor according to claim 1, is characterized in that, in described boron phenolic aldehyde, boron mass content is 5.5-9%.
3. hydrogenated nitrile-butadiene rubber oil sealing material for minitype gas dynamotor according to claim 1, is characterized in that, the iodine number of described hydrogenated nitrile-butadiene rubber is 7-10mg/100mg.
4. hydrogenated nitrile-butadiene rubber oil sealing material for minitype gas dynamotor according to claim 1, is characterized in that, the specific surface area of Nano carbon white toughener is 120-200m
2/ g.
5. according to hydrogenated nitrile-butadiene rubber oil sealing material for the minitype gas dynamotor described in any one in claim 1-4, it is characterized in that, its raw material comprises by weight:
6. according to hydrogenated nitrile-butadiene rubber oil sealing material for the minitype gas dynamotor described in any one in claim 1-5, it is characterized in that, its raw material comprises by weight:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261562.1A CN104072837A (en) | 2014-06-12 | 2014-06-12 | Hydrogenated butadiene-acrylonitrile rubber oil seal material for small gasoline generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261562.1A CN104072837A (en) | 2014-06-12 | 2014-06-12 | Hydrogenated butadiene-acrylonitrile rubber oil seal material for small gasoline generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104072837A true CN104072837A (en) | 2014-10-01 |
Family
ID=51594462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410261562.1A Pending CN104072837A (en) | 2014-06-12 | 2014-06-12 | Hydrogenated butadiene-acrylonitrile rubber oil seal material for small gasoline generator |
Country Status (1)
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| CN (1) | CN104072837A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944219A (en) * | 2020-08-26 | 2020-11-17 | 嘉科（安徽）密封技术有限公司 | Oil seal HNBR rubber for engine and preparation method thereof |
| CN115746426A (en) * | 2022-11-25 | 2023-03-07 | 湖北航天化学技术研究所 | Rubber sealing material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1715319A (en) * | 2004-06-30 | 2006-01-04 | 北京化工大学 | Hydrogenized nitrile butadiene rubber and para aromatic polyamide fibre composite material and its preparing method |
| CN101368076A (en) * | 2008-10-01 | 2009-02-18 | 瑞阳汽车零部件（仙桃）有限公司 | High-efficiency adhesion agent for automobile brake flat and preparation method thereof |
| CN102634092A (en) * | 2012-04-13 | 2012-08-15 | 中国兵器工业集团第五三研究所 | Fiber filled anti-ablation hydrogenated nitrile-butadiene rubber |
-
2014
- 2014-06-12 CN CN201410261562.1A patent/CN104072837A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1715319A (en) * | 2004-06-30 | 2006-01-04 | 北京化工大学 | Hydrogenized nitrile butadiene rubber and para aromatic polyamide fibre composite material and its preparing method |
| CN101368076A (en) * | 2008-10-01 | 2009-02-18 | 瑞阳汽车零部件（仙桃）有限公司 | High-efficiency adhesion agent for automobile brake flat and preparation method thereof |
| CN102634092A (en) * | 2012-04-13 | 2012-08-15 | 中国兵器工业集团第五三研究所 | Fiber filled anti-ablation hydrogenated nitrile-butadiene rubber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944219A (en) * | 2020-08-26 | 2020-11-17 | 嘉科（安徽）密封技术有限公司 | Oil seal HNBR rubber for engine and preparation method thereof |
| CN111944219B (en) * | 2020-08-26 | 2022-09-30 | 嘉科（安徽）密封技术有限公司 | Oil seal HNBR rubber for engine and preparation method thereof |
| CN115746426A (en) * | 2022-11-25 | 2023-03-07 | 湖北航天化学技术研究所 | Rubber sealing material and preparation method and application thereof |
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Application publication date: 20141001 |
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