CN103694514A - Sealing gasket material prepared through milling natural rubber and nitrile rubber and preparation method thereof - Google Patents
Sealing gasket material prepared through milling natural rubber and nitrile rubber and preparation method thereof Download PDFInfo
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- CN103694514A CN103694514A CN201310632303.0A CN201310632303A CN103694514A CN 103694514 A CN103694514 A CN 103694514A CN 201310632303 A CN201310632303 A CN 201310632303A CN 103694514 A CN103694514 A CN 103694514A
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Abstract
The invention discloses a sealing gasket material prepared through milling natural rubber and nitrile rubber. The sealing gasket material is characterized by being prepared from the following raw materials in parts by weight: 30-35 parts of natural rubber, 55-60 parts of nitrile rubber, 3-4 parts of hydroxyl-terminated fluorinated polysiloxane, 4-6 parts of methyl fluorinated silicone oil, 10-12 parts of nylon PA66, 15-17 parts of calcium carbonate powder, 2-3 parts of molybdenum disulfide powder, 20-24 parts of bromated butyl rubber (U.S. Exxon 1066), 2-3 parts of sulfur, 3-5 parts of propanediol sebacate polyester, 3-5 parts of magnesia, 1-2 parts of accelerant CZ, 1-2 parts of accelerant Na-22, 8-10 parts of acetyl-tri(2-ethylhexyl)citrate, 1-2 parts of tin dimethyl diisooctyl thioglycolate, 50-60 parts of bentonite, 25-30 parts of carbon black N330 and 10-12 parts of modified attapulgite. The sealing gasket material is reasonable in formula, simple in process and low in cost and has good oil resistance, insulating performance and sealing performance.
Description
Technical field
The present invention relates to rubber composite manufacture field, particularly a kind of by the mixing gasket material and preparation method thereof that forms of natural rubber paracril.
Background technology
Gasket is a kind of for the inside such as machinery, equipment, pipeline, the material sealing.The gasket using mostly at present is rubber gasket, be characterized in: high temperature resistant, resistance to ozone, resistance to natural weathering, vacuum-resistant, fuel oil resistance, resistance to lubricating oil, powerful oxidation corrosion resistance agent, resistance to chemical reagents and electrical insulation capability are good, are widely used in national defense industry and civilian industry.The defects such as but existing rubber gasket sealing effectiveness is undesirable, wear resistance is poor, intensity is low, far can not meet actual requirement.Therefore researching and developing a kind of high-performance rubber gasket has become the task of top priority.
Summary of the invention
The object of this invention is to provide a kind of by the mixing gasket material and preparation method thereof that forms of natural rubber paracril.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
A kind of by the mixing gasket material that forms of natural rubber paracril, raw material by following weight part is made: natural rubber 30-35, paracril 55-60, hydroxy-end capped fluorinated polysiloxane 3-4, methyl fluorine containing silicone oil 4-6, nylon PA6610-12, Paris white 15-17, molybdenum disulphide powder 2-3, brominated butyl rubber (american exxon 1066) 20-24, sulphur 2-3, sebacic acid propanediol polyester 3-5, magnesium oxide 3-5, accelerant CZ 1-2, accelerant N a-221-2, acetyl tributyl citrate three (2-ethyl hexyl) ester 8-10, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-2, wilkinite 50-60, N330 carbon black 25-30, attapulgite modified 10-12,
The described attapulgite modified raw material by following weight part is made: attapulgite 20-24, clay 20-24,1, hexamethylene-diisocyanate 3-4, tri (propylene glycol) diacrylate 4-5, alum 5-6, Iron-ore Slag 1-2, tetrafluoroethylene 4-5, silane resin acceptor kh-550 2-3, silicon carbide 4-5, zinc oxide 8-10,2,6 ditertiary butyl p cresol 1-2, Fructus Zanthoxyli oil 1-2; Preparation method puts into attapulgite, clay, Iron-ore Slag mixing calcining furnace and calcine 3-4 hour at 700-720 ℃, cooling, put into 10-12% hydrochloric acid soln and soak 1-2 hour, filter and take out, with clear water, clean and dry, be ground into 200-300 order powder, mix with other remaining component, grinding distribution 1-2 hour, obtains.
Of the present invention by the mixing gasket material that forms of natural rubber paracril, by following concrete steps, made: natural rubber, paracril, hydroxy-end capped fluorinated polysiloxane, methyl fluorine containing silicone oil, nylon PA are added in Banbury mixer, be heated to 80-90 ℃, mixing 3-5min; Then be warming up to 110-120 ℃, add again Paris white, molybdenum disulphide powder, brominated butyl rubber (american exxon 1066), sulphur, sebacic acid propanediol polyester, magnesium oxide, accelerant CZ, mixing 6-8min, then add accelerant N a-22, acetyl tributyl citrate three (2-ethyl hexyl) ester, dimethyl dimercapto 2-ethyl hexyl ethanoate tin to continue mixing 4-6min; Add the mixing 5-6min of all the other remaining components, obtain.
Excellent effect of the present invention is: the present invention adds attapulgite modified, has improved the processing performance of sizing material, uses environment-friendly type Synergist S-421 95, reduces its toxic side effect and the pollution to environment; The present invention fills a prescription rationally, and technique is simple, and cost is low, has good oil resistant, insulativity, sealing property.
Embodiment
Below by specific examples, the present invention is described in detail.
A kind of by the mixing gasket material that forms of natural rubber paracril, by following weight part (kilogram) raw material make: natural rubber 30, paracril 55, hydroxy-end capped fluorinated polysiloxane 3, methyl fluorine containing silicone oil 4, nylon PA6610, Paris white 15, molybdenum disulphide powder 2, brominated butyl rubber (american exxon 1066) 20, sulphur 2, sebacic acid propanediol polyester 3, magnesium oxide 3, accelerant CZ 1, accelerant N a-221, acetyl tributyl citrate three (2-ethyl hexyl) ester 8, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1, wilkinite 50, N330 carbon black 25, attapulgite modified 10,
Described attapulgite modified by following weight part (kilogram) raw material make: attapulgite 20, clay 20,1, hexamethylene-diisocyanate 3, tri (propylene glycol) diacrylate 4, alum 5, Iron-ore Slag 1, tetrafluoroethylene 4, silane resin acceptor kh-550 2, silicon carbide 4, zinc oxide 8,2,6 ditertiary butyl p cresol 1, Fructus Zanthoxyli oil 1; Preparation method puts into attapulgite, clay, Iron-ore Slag mixing calcining furnace and calcine 3-4 hour at 700-720 ℃, cooling, put into 10-12% hydrochloric acid soln and soak 1-2 hour, filter and take out, with clear water, clean and dry, be ground into 200-300 order powder, mix with other remaining component, grinding distribution 1-2 hour, obtains.
Of the present invention by the mixing gasket material that forms of natural rubber paracril, by following concrete steps, made: natural rubber, paracril, hydroxy-end capped fluorinated polysiloxane, methyl fluorine containing silicone oil, nylon PA are added in Banbury mixer, be heated to 80-90 ℃, mixing 3-5min; Then be warming up to 110-120 ℃, add again Paris white, molybdenum disulphide powder, brominated butyl rubber (american exxon 1066), sulphur, sebacic acid propanediol polyester, magnesium oxide, accelerant CZ, mixing 6-8min, then add accelerant N a-22, acetyl tributyl citrate three (2-ethyl hexyl) ester, dimethyl dimercapto 2-ethyl hexyl ethanoate tin to continue mixing 4-6min; Add the mixing 5-6min of all the other remaining components, obtain.
By gasket material of the present invention and General Purpose Rubber material physicals, contrast as following table.
Use as can be seen from the table rubber seal cushion material of the present invention, comprehensive comparison is good.
Claims (2)
1. one kind by the mixing gasket material that forms of natural rubber paracril, it is characterized in that, raw material by following weight part is made: natural rubber 30-35, paracril 55-60, hydroxy-end capped fluorinated polysiloxane 3-4, methyl fluorine containing silicone oil 4-6, nylon PA6610-12, Paris white 15-17, molybdenum disulphide powder 2-3, brominated butyl rubber (american exxon 1066) 20-24, sulphur 2-3, sebacic acid propanediol polyester 3-5, magnesium oxide 3-5, accelerant CZ 1-2, accelerant N a-22 1-2, tri(2-ethylhexyl)acetocitrate 8-10, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-2, wilkinite 50-60, N330 carbon black 25-30, attapulgite modified 10-12,
The described attapulgite modified raw material by following weight part is made: attapulgite 20-24, clay 20-24,1, hexamethylene-diisocyanate 3-4, tri (propylene glycol) diacrylate 4-5, alum 5-6, Iron-ore Slag 1-2, tetrafluoroethylene 4-5, silane resin acceptor kh-550 2-3, silicon carbide 4-5, zinc oxide 8-10,2,6-ditertbutylparacresol 1-2, Fructus Zanthoxyli oil 1-2; Preparation method puts into attapulgite, clay, Iron-ore Slag mixing calcining furnace and calcine 3-4 hour at 700-720 ℃, cooling, put into 10-12% hydrochloric acid soln and soak 1-2 hour, filter and take out, with clear water, clean and dry, be ground into 200-300 order powder, mix with other remaining component, grinding distribution 1-2 hour, obtains.
2. according to claim 1 by the mixing gasket material that forms of natural rubber paracril, it is characterized in that, by following concrete steps, made: natural rubber, paracril, hydroxy-end capped fluorinated polysiloxane, methyl fluorine containing silicone oil, nylon PA are added in Banbury mixer, be heated to 80-90 ℃, mixing 3-5min; Then be warming up to 110-120 ℃, add again Paris white, molybdenum disulphide powder, brominated butyl rubber (american exxon 1066), sulphur, sebacic acid propanediol polyester, magnesium oxide, accelerant CZ, mixing 6-8min, then add accelerant N a-22, tri(2-ethylhexyl)acetocitrate, dimethyl dimercapto 2-ethyl hexyl ethanoate tin to continue mixing 4-6min; Add the mixing 5-6min of all the other remaining components, obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310632303.0A CN103694514A (en) | 2013-11-29 | 2013-11-29 | Sealing gasket material prepared through milling natural rubber and nitrile rubber and preparation method thereof |
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| CN201310632303.0A CN103694514A (en) | 2013-11-29 | 2013-11-29 | Sealing gasket material prepared through milling natural rubber and nitrile rubber and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106146923A (en) * | 2016-07-11 | 2016-11-23 | 潘明华 | Environmental protection oil resistant rubber sealing member and preparation technology thereof |
| CN106674635A (en) * | 2016-12-30 | 2017-05-17 | 安徽京鸿密封件技术有限公司 | Oil-proof, high-temperature-resistant and antioxidant sealing component and method for preparing same |
| CN108559146A (en) * | 2018-05-15 | 2018-09-21 | 刘丽娜 | A kind of wear-resistant tensile rubber and preparation method thereof |
| CN110951396A (en) * | 2019-10-28 | 2020-04-03 | 吉林大学 | Anti-sticking coating, application, coating, mold and mold treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101493144A (en) * | 2009-02-27 | 2009-07-29 | 中国第一汽车集团公司 | High compression and high rebound degree plane sulfidization calendered automobile sealing gasket |
| US20120095137A1 (en) * | 2006-12-07 | 2012-04-19 | Garlock Sealing Technologies, Llc | Process for making high-pressure sheet gasketing materials |
| CN102850807A (en) * | 2012-10-08 | 2013-01-02 | 滁州斯迈特复合材料有限公司 | Single-component room-temperature-vulcanized fluorosilicone rubber and preparation method thereof |
| CN103044832A (en) * | 2012-11-25 | 2013-04-17 | 马鞍山市中澜橡塑制品有限公司 | Car plum-shaped cushion adhesive and preparation method thereof |
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2013
- 2013-11-29 CN CN201310632303.0A patent/CN103694514A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120095137A1 (en) * | 2006-12-07 | 2012-04-19 | Garlock Sealing Technologies, Llc | Process for making high-pressure sheet gasketing materials |
| CN101493144A (en) * | 2009-02-27 | 2009-07-29 | 中国第一汽车集团公司 | High compression and high rebound degree plane sulfidization calendered automobile sealing gasket |
| CN102850807A (en) * | 2012-10-08 | 2013-01-02 | 滁州斯迈特复合材料有限公司 | Single-component room-temperature-vulcanized fluorosilicone rubber and preparation method thereof |
| CN103044832A (en) * | 2012-11-25 | 2013-04-17 | 马鞍山市中澜橡塑制品有限公司 | Car plum-shaped cushion adhesive and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106146923A (en) * | 2016-07-11 | 2016-11-23 | 潘明华 | Environmental protection oil resistant rubber sealing member and preparation technology thereof |
| CN106674635A (en) * | 2016-12-30 | 2017-05-17 | 安徽京鸿密封件技术有限公司 | Oil-proof, high-temperature-resistant and antioxidant sealing component and method for preparing same |
| CN108559146A (en) * | 2018-05-15 | 2018-09-21 | 刘丽娜 | A kind of wear-resistant tensile rubber and preparation method thereof |
| CN110951396A (en) * | 2019-10-28 | 2020-04-03 | 吉林大学 | Anti-sticking coating, application, coating, mold and mold treatment method |
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Application publication date: 20140402 |