CN105218986A - A kind of anti tear fluororubber compounded rubber and preparation method thereof - Google Patents
A kind of anti tear fluororubber compounded rubber and preparation method thereof Download PDFInfo
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- CN105218986A CN105218986A CN201510797261.5A CN201510797261A CN105218986A CN 105218986 A CN105218986 A CN 105218986A CN 201510797261 A CN201510797261 A CN 201510797261A CN 105218986 A CN105218986 A CN 105218986A
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Abstract
The invention provides a kind of anti tear fluororubber compounded rubber and preparation method thereof, belong to rubber unvulcanizate Application Areas, by binary fluorine rubber, ternary fluororubber, activated magnesia, calcium hydroxide, vulcanization system (bis-phenol vulcanization system: bisphenol AF, BPP or peroxide vulcanizing system: two two or five, TAIC), carbon nanotube, releasing agent, strengthening agent etc. mix, rubber unvulcanizate tear resistance prepared by the present invention is good, can be widely used in rubber item.
Description
Technical field
The present invention relates to a kind of anti tear fluororubber compounded rubber and preparation method, belong to material engineering and technical field.
Background technology
A kind of macromolecular elastomer containing fluorine atom on the carbon atom that viton refers to main chain or side chain.Due to polymer chain containing fluorine atom, it has the resistance to elevated temperatures more excellent than ordinary rubber, oil resistance, the performance of resistance to various chemical mediator, resistance to weather performance, electrical insulation capability, radiation resistance and good physical and mechanical properties etc. to make C, is widely used in multiple fields such as Aeronautics and Astronautics, boats and ships, automobile, oil, machinery, metallurgy, chemical industry.Although viton has excellent performance than other rubber, it also has weak point, as poor performance at low temperatures, poor fluidity, easily compression set, rubber process industrial art performance and vulcanizating glue physical performance such as not easily to coordinate at the defect.Especially the tear resistance of viton is poor, and under high temperature, mechanical properties decrease is comparatively large, and this brings limitation to the use of viton.Chinese patent CN1935893A invents a kind ofly has viton of the tear strength of improvement and preparation method thereof, the carbon fiber of 5-10 weight part length-specific 5.5-10mm is added in viton premixing glue, prepare a kind of high-tear strength viton, if but length is less than 5.5mm, then viton vulcanization rate reduce, and tear strength increase not obvious, and if length is greater than 10mm, then viton heat-dissipating when mixing is comparatively large, not easily evenly mixing.Chinese patent CN103739903A discloses a kind of High-conductivity carbon nanotube/rubber nanocomposite and preparation method thereof, the carbon nanotube of good dispersiveness can significantly improve the conductivity of natural rubber, but does not relate to the impact on rubber mechanical property aspect and other glue kinds.
Summary of the invention
The present invention, mainly for the problem of viton tear resistance difference, adds carbon nanotube in viton, has prepared a kind of viton improving tear strength, has provided a kind of preparation method of anti tear fluororubber compounded rubber.
For realizing the object of the invention,
A kind of anti tear fluororubber compounded rubber, adopt bis-phenol vulcanization system, it forms by the raw material of following weight percent is mixing:
Crude fluororubber: 100;
Bisphenol AF: 1.0-2.5;
BPP: 0.3-1.0;
Magnesium oxide: 3-7;
Calcium hydroxide: 3-6;
Carbon nanotube: 1-5;
Releasing agent: 0.5-2;
Strengthening agent: 10-20;
Bis-phenol vulcanization system is by bisphenol AF, and BPP forms;
Magnesium oxide is extra light calcined magnesia 150;
Carbon nanotube is multi-walled carbon nano-tubes;
Releasing agent is WS280 and carnauba wax;
Strengthening agent is spray carbon black, carbon black N990, carbon black N774 any one or several compositions.
Described calcium hydroxide is CF2000
Described crude fluororubber is binary or ternary fluororubber rubber.
A kind of anti tear fluororubber compounded rubber, adopt peroxide vulcanizing system, it forms by the raw material of following weight percent is mixing:
Crude fluororubber: 100;
Two 25: 0.8-1.5;
Linking agent TAIC:1.5-4;
Carbon nanotube: 1-5;
Releasing agent: 0.5-2;
Strengthening agent: 10-20.
Peroxide vulcanizing system is made up of two 25 and TAIC;
Magnesium oxide is extra light calcined magnesia 150;
Carbon nanotube is multi-walled carbon nano-tubes;
Releasing agent is WS280 and carnauba wax;
Strengthening agent is spray carbon black, carbon black N990, carbon black N774 any one or several compositions.
Described linking agent TAIC is cyanacrylate.
Described crude fluororubber is binary or ternary fluororubber rubber.
A preparation method for anti tear fluororubber compounded rubber, adopts bis-phenol vulcanization system, comprises the following steps:
1) weigh the auxiliary agent in crude fluororubber and formula by ratio of weight and the number of copies, described auxiliary agent is bisphenol AF, BPP, magnesium oxide, calcium hydroxide, carbon nanotube, releasing agent, strengthening agent, is mixed by auxiliary agent.
2) crude fluororubber is plasticated in Banbury mixer, then the auxiliary agent mixed is added banburying in Banbury mixer, finally at mill back mixing thin-pass on a mill until 6-12 time.
A preparation method for anti tear fluororubber compounded rubber, adopts peroxide vulcanizing system, comprises the following steps:
1) weigh the auxiliary agent in crude fluororubber and formula by ratio of weight and the number of copies, described auxiliary agent be pairs 25, linking agent TAIC, magnesium oxide, calcium hydroxide, carbon nanotube, releasing agent, strengthening agent, auxiliary agent is mixed.
2) crude fluororubber is plasticated in Banbury mixer, then the auxiliary agent mixed is added banburying in Banbury mixer, finally at mill back mixing thin-pass on a mill until 6-12 time.
The invention has the beneficial effects as follows: the rubber unvulcanizate tear resistance prepared by the present invention is good, can be widely used in rubber item.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment.
Embodiment 1-6 for adopt bis-phenol vulcanization system different ratios component obtained by rubber unvulcanizate, its specifically form and the formula composition of embodiment of different components content and tear resistance in table 1.
The preparation method of embodiment 1-6 is: weigh the auxiliary agent in binary or ternary fluororubber rubber and formula first by ratio of weight and the number of copies, described auxiliary agent is bisphenol AF, BPP, magnesium oxide, calcium hydroxide, carbon nanotube, releasing agent WS280, carnauba wax, carbon black, is mixed by auxiliary agent.Then crude fluororubber is plasticated in Banbury mixer, then the auxiliary agent mixed is added banburying in Banbury mixer, finally at mill back mixing thin-pass on a mill until 6-12 time.Rubber unvulcanizate carries out a sulfuration again through 230 DEG C × 16h post cure according to vulcanization curve, places 24h, and test tear resistance is in table 1.
The formula composition of table 1 embodiment 1-6 and tear resistance
Embodiment 7-12 for adopt peroxide vulcanizing system different ratios component obtained by rubber unvulcanizate, its specifically form and the formula composition of embodiment of different components content and tear resistance in table 2.
The formula composition of table 2 embodiment 7-12 and tear resistance
The preparation method of embodiment 7-12 is: weigh the auxiliary agent in crude fluororubber and formula first by ratio of weight and the number of copies, and described auxiliary agent be pairs 25, TAIC, carbon nanotube, WS280, carnauba wax, carbon black, is mixed by auxiliary agent.Then crude fluororubber is plasticated in Banbury mixer, then the auxiliary agent mixed is added banburying in Banbury mixer, finally at mill back mixing thin-pass on a mill until 6-12 time.Rubber unvulcanizate carries out a sulfuration again through 230 DEG C × 16h post cure according to vulcanization curve, places 24h, and test tear resistance is in table 2.
Embodiment recited above is only be described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; do not departing under design concept prerequisite of the present invention; the various modification that in this area, common engineering technical personnel make technical scheme of the present invention and improvement; all should fall into protection scope of the present invention, the technology contents of request protection of the present invention is all recorded in detail in the claims.
Claims (7)
1. an anti tear fluororubber compounded rubber, adopt bis-phenol vulcanization system, it is characterized in that, it forms by the raw material of following weight percent is mixing:
Crude fluororubber: 100;
Bisphenol AF: 1.0-2.5;
BPP: 0.3-1.0;
Magnesium oxide: 3-7;
Calcium hydroxide: 3-6;
Carbon nanotube: 1-5;
Releasing agent: 0.5-2;
Strengthening agent: 10-20;
Bis-phenol vulcanization system is by bisphenol AF, and BPP forms;
Magnesium oxide is extra light calcined magnesia 150;
Carbon nanotube is multi-walled carbon nano-tubes;
Releasing agent is WS280 and carnauba wax;
Described calcium hydroxide is CF2000;
Strengthening agent is spray carbon black, carbon black N990, carbon black N774 any one or several compositions.
2. a kind of anti tear fluororubber compounded rubber according to claim 1, is characterized in that: described crude fluororubber is binary or ternary fluororubber rubber.
3. an anti tear fluororubber compounded rubber, adopt peroxide vulcanizing system, it is characterized in that, it forms by the raw material of following weight percent is mixing:
Crude fluororubber: 100;
Two 25: 0.8-1.5;
Linking agent TAIC:1.5-4;
Carbon nanotube: 1-5;
Releasing agent: 0.5-2;
Strengthening agent: 10-20.
Peroxide vulcanizing system is made up of two 25 and TAIC;
Magnesium oxide is extra light calcined magnesia 150;
Carbon nanotube is multi-walled carbon nano-tubes;
Releasing agent is WS280 and carnauba wax;
Strengthening agent is spray carbon black, carbon black N990, carbon black N774 any one or several compositions.
4. a kind of anti tear fluororubber compounded rubber according to claim 3, is characterized in that: described linking agent TAIC is cyanacrylate.
5. a kind of anti tear fluororubber compounded rubber according to claim 3, is characterized in that: described crude fluororubber is binary or ternary fluororubber rubber.
6. a preparation method for anti tear fluororubber compounded rubber as claimed in claim 1, is characterized in that: adopt bis-phenol vulcanization system, comprise the following steps:
1) weigh the auxiliary agent in crude fluororubber and formula by ratio of weight and the number of copies, described auxiliary agent is bisphenol AF, BPP, magnesium oxide, calcium hydroxide, carbon nanotube, releasing agent, strengthening agent, is mixed by auxiliary agent.
2) crude fluororubber is plasticated in Banbury mixer, then the auxiliary agent mixed is added banburying in Banbury mixer, finally at mill back mixing thin-pass on a mill until 6-12 time.
7. a preparation method for anti tear fluororubber compounded rubber as claimed in claim 3, is characterized in that: adopt peroxide vulcanizing system, comprise the following steps:
1) weigh the auxiliary agent in crude fluororubber and formula by ratio of weight and the number of copies, described auxiliary agent be pairs 25, linking agent TAIC, magnesium oxide, calcium hydroxide, carbon nanotube, releasing agent, strengthening agent, auxiliary agent is mixed.
2) crude fluororubber is plasticated in Banbury mixer, then the auxiliary agent mixed is added banburying in Banbury mixer, finally at mill back mixing thin-pass on a mill until 6-12 time.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802090A (en) * | 2016-04-29 | 2016-07-27 | 安徽华宇电缆集团有限公司 | Preparation method of high-performance fluoride rubber/silicone rubber cable sheath material |
| CN105820480A (en) * | 2016-06-07 | 2016-08-03 | 宁波千汇汽车饰件有限公司 | High-temperature-resisting fluororubber and preparation method thereof |
| CN106317713A (en) * | 2016-08-31 | 2017-01-11 | 南京利德东方橡塑科技有限公司 | Abrasion-resistant high-temperature-resistant tear-resistant fluorine rubber and preparation method thereof |
| CN109575483A (en) * | 2017-09-29 | 2019-04-05 | 氟乐泰科（厦门）新材料有限公司 | A kind of anti-burst decompression fluororubber compounded rubber and preparation method thereof |
| WO2019095786A1 (en) * | 2017-11-17 | 2019-05-23 | 江门市鑫辉密封科技有限公司 | Fluororubber oil sealing composition and preparation method therefor |
| CN113429712A (en) * | 2021-07-14 | 2021-09-24 | 上海熹贾精密技术有限公司 | Low-resistivity fluororubber for automobile fuel pipeline system and preparation method thereof |
| CN114395297A (en) * | 2022-03-05 | 2022-04-26 | 浙江柏德密封科技有限公司 | Sealing gasket coated with fluororubber and production process thereof |
| CN116144126A (en) * | 2022-12-12 | 2023-05-23 | 南京利德东方橡塑科技有限公司 | High-temperature-resistant and tear-resistant conductive rubber composite material and preparation method thereof |
| CN116239849A (en) * | 2023-03-16 | 2023-06-09 | 张家口市华跃防腐耐磨管道有限公司 | Aging-resistant rubber material for rubber lining pipeline and preparation method thereof |
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| CN101698735A (en) * | 2009-11-23 | 2010-04-28 | 青岛开世密封工业有限公司 | Fluorocarbon rubber with easy demoulding and tear resistance and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802090A (en) * | 2016-04-29 | 2016-07-27 | 安徽华宇电缆集团有限公司 | Preparation method of high-performance fluoride rubber/silicone rubber cable sheath material |
| CN105820480A (en) * | 2016-06-07 | 2016-08-03 | 宁波千汇汽车饰件有限公司 | High-temperature-resisting fluororubber and preparation method thereof |
| CN106317713A (en) * | 2016-08-31 | 2017-01-11 | 南京利德东方橡塑科技有限公司 | Abrasion-resistant high-temperature-resistant tear-resistant fluorine rubber and preparation method thereof |
| CN106317713B (en) * | 2016-08-31 | 2018-06-22 | 南京利德东方橡塑科技有限公司 | A kind of Wear-resistant, high-temperature resistant tear-proof fluorubber and preparation method thereof |
| CN109575483A (en) * | 2017-09-29 | 2019-04-05 | 氟乐泰科（厦门）新材料有限公司 | A kind of anti-burst decompression fluororubber compounded rubber and preparation method thereof |
| CN109575483B (en) * | 2017-09-29 | 2021-10-08 | 氟乐泰科（厦门）新材料有限公司 | Anti-explosion decompression fluororubber compound and preparation method thereof |
| WO2019095786A1 (en) * | 2017-11-17 | 2019-05-23 | 江门市鑫辉密封科技有限公司 | Fluororubber oil sealing composition and preparation method therefor |
| CN113429712A (en) * | 2021-07-14 | 2021-09-24 | 上海熹贾精密技术有限公司 | Low-resistivity fluororubber for automobile fuel pipeline system and preparation method thereof |
| CN114395297A (en) * | 2022-03-05 | 2022-04-26 | 浙江柏德密封科技有限公司 | Sealing gasket coated with fluororubber and production process thereof |
| CN114395297B (en) * | 2022-03-05 | 2022-09-23 | 浙江柏德密封科技有限公司 | Sealing gasket coated with fluororubber and production process thereof |
| CN116144126A (en) * | 2022-12-12 | 2023-05-23 | 南京利德东方橡塑科技有限公司 | High-temperature-resistant and tear-resistant conductive rubber composite material and preparation method thereof |
| CN116239849A (en) * | 2023-03-16 | 2023-06-09 | 张家口市华跃防腐耐磨管道有限公司 | Aging-resistant rubber material for rubber lining pipeline and preparation method thereof |
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Address after: 211500 No. 581, Ning six road, Liuhe Economic Development Zone, Jiangsu, Nanjing, China Applicant after: NANJING ORIENTLEADER TECHNOLOGY CO., LTD. Address before: 210028 Maigaoqiao, Jiangsu, Qixia District, No. 7 Venture Park, Applicant before: NANJING 7425 RUBBER & PLASTIC CO., LTD. |
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Application publication date: 20160106 |