CN102585402A - High-strength fluororubber and preparation method, fluororubber sealing element - Google Patents
High-strength fluororubber and preparation method, fluororubber sealing element Download PDFInfo
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- CN102585402A CN102585402A CN2012100483154A CN201210048315A CN102585402A CN 102585402 A CN102585402 A CN 102585402A CN 2012100483154 A CN2012100483154 A CN 2012100483154A CN 201210048315 A CN201210048315 A CN 201210048315A CN 102585402 A CN102585402 A CN 102585402A
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Abstract
The invention discloses high-strength fluororubber. The high-strength fluororubber comprises the following components according to a content: 80-120 parts of fluororubber, 10-50 parts of carbon black, 0.5-1.5 parts of 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 1.5-2.5 parts of triallyl isocyanurate, 3-7 parts of indirect process zinc oxide, and 0.5-1 part of palm wax. According to the invention, after the preparation of the synthetic rubber, the formation of the rubber and the sulfidizing treatment, the fluororubber with high-strength (16-24 MPa), fuel oil resistance, medium resistance and low pressure-transfer is obtained. The invention further discloses a fluororubber sealing element prepared from the high-strength fluororubber.
Description
Technical field
The present invention relates to a kind of HS viton and preparation method, and use the fluorine rubber seal element that this viton is processed.
Background technology
Characteristics are widely used in all trades and professions such as automobile, aerospace, oil, chemical industry to viton so that its outstanding high temperature resistance, erosion resistance, fuel resistance, rebound resilience be good etc.For example, the fluororubber O-type ring that adopts viton to process.Along with science and technology development, explore the continuous expansion in contact field in the productive life, its range of application can be more and more widely.But the intensity of conventional viton is lower, has influenced the application of viton at some special dimensions, the for example application under the high-pressure situations, and therefore, the intensity that improves viton just seems important all the more.
Summary of the invention
Problem to prior art exists the objective of the invention is to propose a kind of HS viton and preparation method, and uses the fluorine rubber seal element that this HS viton is processed, and this viton has HS, and its range of application is more extensive.
For reaching this purpose, the present invention adopts following technical scheme:
The present invention proposes a kind of high-strength viton, its component and content are following:
Viton, 80-120 part;
Carbon black, 10-50 part;
2.5-dimethyl--2.5 bis(t-butylperoxy) hexane, 0.5-1.5 part;
Iso-cyanuric acid triallyl ester, 1.5-2.5 part;
Indirect process zinc oxide, 3-7 part;
Palm wax: 0.5-1 part.
Preferably, in the said components, this viton is the viton that contains peroxide vuleanization point.
The present invention proposes a kind of preparation method of HS viton, may further comprise the steps:
Steps A adopts described viton prescription to get the raw materials ready, and raw material is sent in the Banbury mixer, obtains viton;
Step B opens the type of being smelt with above-mentioned viton in mill, its temperature is 60-70 ℃;
Step C puts into vulcanizing equipment with the rubber of opening behind the type of being smelt, and is that 170-190Kgf/cm2, temperature are to carry out sulfidizing under 170-180 ℃ the condition at pressure, and curing time is 240-360 second.
Preferably; After steps A, also comprise steps A 1; Said elastomeric hardness, intensity and elongation are detected, and hardness is 75 ± 5 degree, intensity >=16MPa; The viton of elongation >=180% is qualified viton, and the qualified viton that satisfies above-mentioned condition is got into step B.
The present invention proposes a kind of fluorine rubber seal element, adopt described HS viton to process.
Preferably, said fluorine rubber seal element is a fluororubber O-type ring.
Based on disclosing of above technical scheme, the present invention possesses following beneficial effect:
The high-strength viton that proposes according to the present invention after the moulding and sulfidizing through elastomeric preparation, rubber, obtains a kind of viton with HS (16-24MPa), anti-fuel oil, media-resistant, pressure step-down.Have above-mentioned good performance based on this HS viton, its range of application is more extensive.
Embodiment
Below describe several preferred implementation of the present invention, but be not that any technical scheme that comprises technical thought of the present invention all belongs within protection scope of the present invention in order to qualification the present invention.
Embodiment 1:
The present invention proposes a kind of HS viton, its component and content are following:
Viton, 80 parts;
Carbon black, 10 parts;
2.5-dimethyl--2.5 bis(t-butylperoxy) hexane, 1.5 parts;
Iso-cyanuric acid triallyl ester, 2.5 parts;
Indirect process zinc oxide, 7 parts;
Palm wax, 0.5 part.
Preferably, in the said components, this viton is the viton that contains peroxide vuleanization point.
Based on above-mentioned HS viton, a kind of preparation method of HS viton may further comprise the steps:
Steps A (elastomeric preparation) adopts described HS viton prescription to get the raw materials ready, and all raw materials is sent in the Banbury mixer, obtains viton;
Steps A 1 (Performance Detection) detects said elastomeric hardness, intensity and elongation, detects after-filtration; Hardness is 71 degree; Intensity is 22MPa, and elongation is that 208% viton is qualified viton, and the qualified viton that satisfies above-mentioned condition is got into step B;
Step B (moulding of rubber) opens the type of being smelt with above-mentioned viton in mill, its temperature is 60 ℃;
Step C (sulfuration of rubber) puts into vulcanizing equipment with the rubber of opening behind the type of being smelt, and is that 190Kgf/cm2, temperature are to carry out sulfidizing under 180 ℃ the condition at pressure, and curing time is 240 seconds.Product to after the sulfuration carries out deburring, and size, outward appearance is tested, and obtains qualified viton finished product.
Embodiment 2:
The present invention proposes a kind of HS viton, its component and content are following:
Viton, 100 parts;
Carbon black, 30 parts;
2.5-dimethyl--2.5 bis(t-butylperoxy) hexane, 1 part;
Iso-cyanuric acid triallyl ester, 2 parts;
Indirect process zinc oxide, 5 parts;
Palm wax, 0.7 part.
Preferably, in the said components, this viton is the viton that contains peroxide vuleanization point.
Based on above-mentioned HS viton, a kind of preparation method of HS viton may further comprise the steps:
Steps A (elastomeric preparation) adopts described HS viton prescription to get the raw materials ready, and all raw materials is sent in the Banbury mixer, obtains viton;
Steps A 1 (Performance Detection) detects said elastomeric hardness, intensity and elongation, detects after-filtration; Hardness is 74 degree; Intensity is 19.3MPa, and elongation is that 230% viton is qualified viton, and the qualified viton that satisfies above-mentioned condition is got into step B;
Step B (moulding of rubber) opens the type of being smelt with above-mentioned viton in mill, its temperature is 65 ℃;
Step C (sulfuration of rubber) puts into vulcanizing equipment with the rubber of opening behind the type of being smelt, and is that 180Kgf/cm2, temperature are to carry out sulfidizing under 175 ℃ the condition at pressure, and curing time is 300 seconds.Product to after the sulfuration carries out deburring, and size, outward appearance is tested, and obtains qualified viton finished product.
Embodiment 3:
The present invention proposes a kind of HS viton, its component and content are following:
Viton, 120 parts;
Carbon black, 50 parts;
2.5-dimethyl--2.5 bis(t-butylperoxy) hexane, 0.5 part;
Iso-cyanuric acid triallyl ester, 1.5 parts;
Indirect process zinc oxide, 3 parts;
Palm wax, 1.0 parts.
Preferably, in the said components, this viton is the viton that contains peroxide vuleanization point.
Based on above-mentioned HS viton, a kind of preparation method of HS viton may further comprise the steps:
Steps A (elastomeric preparation) adopts described HS viton prescription to get the raw materials ready, and all raw materials is sent in the Banbury mixer, obtains viton;
Steps A 1 (Performance Detection) detects said elastomeric hardness, intensity and elongation, detects after-filtration; Hardness is 78 degree; Intensity is 18.6MPa, and elongation is that 289% viton is qualified viton, and the qualified viton that satisfies above-mentioned condition is got into step B;
Step B (moulding of rubber) opens the type of being smelt with above-mentioned viton in mill, its temperature is 70 ℃;
Step C (sulfuration of rubber) puts into vulcanizing equipment with the rubber of opening behind the type of being smelt, and is that 170Kgf/cm2, temperature are to carry out sulfidizing under 170 ℃ the condition at pressure, and curing time is 360 seconds.Product to after the sulfuration carries out deburring, and size, outward appearance is tested, and obtains qualified viton finished product.
The invention allows for a kind of HS viton, adopt described viton preparation method to be prepared from.The parameter of this HS viton is: HS (16-24MPa), anti-fuel oil, media-resistant, pressure step-down.
The present invention proposes a kind of fluorine rubber seal element, adopt above-mentioned HS viton to process.Preferably, said fluorine rubber seal element can be fluororubber O-type ring.
Claims (6)
1. a HS viton is characterized in that, its component and content are following:
Viton, 80-120 part;
Carbon black, 10-50 part;
2.5-dimethyl--2.5 bis(t-butylperoxy) hexane, 0.5-1.5 part;
Iso-cyanuric acid triallyl ester, 1.5-2.5 part;
Indirect process zinc oxide, 3-7 part;
Palm wax: 0.5-1 part.
2. HS viton as claimed in claim 1 is characterized in that, in the said components, this viton is the viton that contains peroxide vuleanization point.
3. the preparation method of a HS viton is characterized in that, may further comprise the steps:
Steps A adopts profit to require the prescription of 1 or 2 described HS viton to get the raw materials ready, and raw material is sent in the Banbury mixer, obtains viton;
Step B opens the type of being smelt with above-mentioned viton in mill, its temperature is 60-70 ℃;
Step C puts into vulcanizing equipment with the rubber of opening behind the type of being smelt, and is that 170-190Kgf/cm2, temperature are to carry out sulfidizing under 170-180 ℃ the condition at pressure, and curing time is 240-360 second.
4. the preparation method of HS viton as claimed in claim 3; It is characterized in that, after steps A, also comprise steps A 1, said elastomeric hardness, intensity and elongation are detected; Hardness is 75 ± 5 degree; Intensity >=16MPa, the viton of elongation >=180% are qualified viton, and the qualified viton that satisfies above-mentioned condition is got into step B.
5. a fluorine rubber seal element is characterized in that, adopts claim 1 or 2 described HS viton to process.
6. fluorine rubber seal element as claimed in claim 5 is characterized in that, said fluorine rubber seal element is a fluororubber O-type ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100483154A CN102585402A (en) | 2012-02-28 | 2012-02-28 | High-strength fluororubber and preparation method, fluororubber sealing element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100483154A CN102585402A (en) | 2012-02-28 | 2012-02-28 | High-strength fluororubber and preparation method, fluororubber sealing element |
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| CN102585402A true CN102585402A (en) | 2012-07-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757606A (en) * | 2012-07-25 | 2012-10-31 | 安徽中鼎密封件股份有限公司 | Crank shaft ventilation rubber tube and preparation method thereof |
| CN104558975A (en) * | 2014-12-12 | 2015-04-29 | 东莞市长安东阳光铝业研发有限公司 | Modified fluororubber compounded stock and preparation method thereof |
| CN106378893A (en) * | 2016-08-31 | 2017-02-08 | 柳州元吉兴工业技术有限公司 | Rubber vulcanization process |
| CN106633544A (en) * | 2016-11-17 | 2017-05-10 | 上海如实密封科技有限公司 | A fluororubber material used for sealing members resistant to high temperatures and high pressure and a preparing method thereof |
| CN112048138A (en) * | 2020-08-21 | 2020-12-08 | 隆仕新材料科技(昆山)有限公司 | Medium-resistant pilot type electromagnetic valve diaphragm and preparation method thereof |
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| JP2006299224A (en) * | 2005-03-22 | 2006-11-02 | Nok Corp | Fluororubber composition |
| CN101081916A (en) * | 2007-06-22 | 2007-12-05 | 天津鹏翎胶管股份有限公司 | Fluororubber and epichlorophdrin rubber formulation |
| CN101168656A (en) * | 2007-11-23 | 2008-04-30 | 广州机械科学研究院 | Fluorine rubber seal element and preparing method thereof |
| CN101412835A (en) * | 2008-11-28 | 2009-04-22 | 华南理工大学 | Blend of fluorubber and silastic, and preparation thereof |
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| CN102287161A (en) * | 2011-07-25 | 2011-12-21 | 上海道氟化工科技有限公司 | Compression packer rubber cylinder, and preparation method and application thereof |
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2012
- 2012-02-28 CN CN2012100483154A patent/CN102585402A/en active Pending
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757606A (en) * | 2012-07-25 | 2012-10-31 | 安徽中鼎密封件股份有限公司 | Crank shaft ventilation rubber tube and preparation method thereof |
| CN104558975A (en) * | 2014-12-12 | 2015-04-29 | 东莞市长安东阳光铝业研发有限公司 | Modified fluororubber compounded stock and preparation method thereof |
| CN106378893A (en) * | 2016-08-31 | 2017-02-08 | 柳州元吉兴工业技术有限公司 | Rubber vulcanization process |
| CN106633544A (en) * | 2016-11-17 | 2017-05-10 | 上海如实密封科技有限公司 | A fluororubber material used for sealing members resistant to high temperatures and high pressure and a preparing method thereof |
| CN112048138A (en) * | 2020-08-21 | 2020-12-08 | 隆仕新材料科技(昆山)有限公司 | Medium-resistant pilot type electromagnetic valve diaphragm and preparation method thereof |
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Application publication date: 20120718 |