CN105131358A - Automotive electric insulation rubber material and preparation method thereof - Google Patents
Automotive electric insulation rubber material and preparation method thereof Download PDFInfo
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- CN105131358A CN105131358A CN201510555494.4A CN201510555494A CN105131358A CN 105131358 A CN105131358 A CN 105131358A CN 201510555494 A CN201510555494 A CN 201510555494A CN 105131358 A CN105131358 A CN 105131358A
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Abstract
The invention discloses an automotive electric insulation rubber material, and belongs to the technical field of automotive rubber. The automotive electric insulation rubber material is prepared from, by weight, 70-90 parts of natural rubber, 30-50 parts of fluororubber, 10-20 parts of nitrile rubber, 2-3 parts of stearic acid, 1-3 parts of vulcanizing agent, 4-8 parts of accelerants TMTD, 5-10 parts of softening agents, 5-10 parts of reinforcing agents and 2-3 parts of anti-aging agents; acetylene black or white carbon black is adopted as the reinforcing agents, and silane coupling agents are adopted as the softening agents. The invention further discloses a preparation method of the automotive electric insulation rubber material. Due to the unique formula, the automotive electric insulation rubber material has the advantages of being high in heat stability, superior in performance, moderate in hardness, capable of resisting heat and oil, low in cost and higher in safety; the preparation method of the rubber material has the advantages that simpleness and environmental protection are achieved, the prepared rubber material can meet the using requirements, and the good economical benefits and practicability are achieved.
Description
Technical field
The invention belongs to automobile-used field of rubber technology, be specifically related to a kind of vehicle electric insulating rubber material and preparation method thereof.
Background technology
Rubber is a kind of poor conductor of electricity, and natural rubber and most synthetic rubber all have very high resistivity, generally rubber are considered as electrical isolation rubber.
Usually, the electrical insulation capability of non-polar rubber is good, but the electrical insulation capability of often kind of rubber is also variant; Some rubber can only be applicable to mesolow, and this is mainly because the resistance toheat of these rubber and ozonize poor-performing.And be on the other hand should be some rubber synthetic system in residual emulsifiers be ionogen, particularly water soluble ion is very large on the impact of electrical isolation product.And polar rubber discomfort is fit to do electrical isolation rubber.
Therefore, good electrical isolation rubber, should heat-resisting oil resistant, also fire-retardant, and cost is lower.Be difficult to take into account in existing synthetic rubber.And require higher to safety performance in vehicle-mounted rubber.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of vehicle electric insulating rubber material, make its superior performance, thermostability is high, and hardness is moderate, heat-resisting oil resistant, and with low cost, and security is higher; Another object of the present invention is to provide the preparation method of this elastomeric material.
Technical scheme: for achieving the above object, the present invention adopts following technical scheme:
A kind of vehicle electric insulating rubber material, comprises the raw material of following parts by weight: natural rubber 70 ~ 90 parts, viton 30 ~ 50 parts, paracril 10 ~ 20 parts, stearic acid 2 ~ 3 parts, vulcanizing agent 1 ~ 3 part, Vulcanization accelerator TMTD 4 ~ 8 parts, tenderizer 5 ~ 10 parts, strengthening agent 5 ~ 10 parts, 2 ~ 3 parts, anti-aging agent; Described strengthening agent is Shawinigan black or white carbon black; Described tenderizer is silane coupling agent.
Described raw material also comprises potter's clay or the calcium carbonate that parts by weight are 5 ~ 10 parts.
Described anti-aging agent is paraffin.
Described vulcanizing agent is sulphur.
The preparation method of described vehicle electric insulating rubber material, comprises the following steps:
1) proportionally natural rubber is plasticated at 55 ~ 60 DEG C; By viton and paracril 75 ~ 80 DEG C carry out one section mixing; Natural rubber after plasticating is added in one section of mixing mixture and carry out two-stage mixing at 80 ~ 90 DEG C, obtain mixing complete mixture;
2) in mixing complete mixture, add stearic acid, vulcanizing agent, Vulcanization accelerator TMTD, tenderizer and anti-aging agent, in 180 DEG C ~ 200 DEG C, react under pressure 11 ~ 13Mpa in 20min and add hot-forming 23 ~ 28min after strengthening agent again.
The preparation method of described vehicle electric insulating rubber material, the described time of plasticating is 30 ~ 50 minutes, and one section of described mixing time is 40 ~ 60 minutes, and the time of described two-stage mixing is 30 ~ 40 minutes.
Beneficial effect: compared with prior art, vehicle electric insulating rubber material of the present invention, the formula of its uniqueness makes thermostability high, and make its superior performance, thermostability is high, and hardness is moderate, heat-resisting oil resistant, and with low cost, and security is higher; The preparation method of this rubber, simple environmental protection, the rubber of preparation can meet service requirements, possesses good economic benefit and practicality.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1 vehicle electric insulating rubber material a
A kind of vehicle electric insulating rubber material, comprises the raw material of following parts by weight: natural rubber 70 parts, viton 30 parts, paracril 10 parts, stearic acid 2 parts, vulcanizing agent 1 part, Vulcanization accelerator TMTD 4 parts, tenderizer 5 parts, strengthening agent 5 parts, 2 parts, anti-aging agent; Strengthening agent is Shawinigan black; Tenderizer is silane coupling agent.Raw material also comprises the calcium carbonate that parts by weight are 5 parts.Anti-aging agent is paraffin.Vulcanizing agent is sulphur.
The preparation method of vehicle electric insulating rubber material: comprise the following steps:
1) proportionally natural rubber is plasticated at 55 DEG C; By viton and paracril 75 DEG C carry out one section mixing; Natural rubber after plasticating is added in one section of mixing mixture and carry out two-stage mixing at 80 DEG C, obtain mixing complete mixture; 2) in mixing complete mixture, add stearic acid, vulcanizing agent, Vulcanization accelerator TMTD, tenderizer and anti-aging agent, in 180 DEG C, react under pressure 11Mpa in 20min and add hot-forming 23min after strengthening agent again, obtained vehicle electric insulating rubber material a.The preparation method of vehicle electric insulating rubber material, the time of plasticating is 30 minutes, and one section of described mixing time is 40 minutes, and the time of described two-stage mixing is 30 minutes.
Embodiment 2 vehicle electric insulating rubber material b
A kind of vehicle electric insulating rubber material, comprises the raw material of following parts by weight: natural rubber 90 parts, viton 50 parts, paracril 20 parts, stearic acid 3 parts, vulcanizing agent 3 parts, Vulcanization accelerator TMTD 8 parts, tenderizer 10 parts, strengthening agent 10 parts, 3 parts, anti-aging agent; Strengthening agent is white carbon black; Tenderizer is silane coupling agent.Raw material also comprises the potter's clay that parts by weight are 10 parts.Anti-aging agent is paraffin.Vulcanizing agent is sulphur.
The preparation method of vehicle electric insulating rubber material: comprise the following steps:
1) proportionally natural rubber is plasticated at 60 DEG C; By viton and paracril 80 DEG C carry out one section mixing; Natural rubber after plasticating is added in one section of mixing mixture and carry out two-stage mixing at 90 DEG C, obtain mixing complete mixture; 2) in mixing complete mixture, add stearic acid, vulcanizing agent, Vulcanization accelerator TMTD, tenderizer and anti-aging agent, in 200 DEG C, react under pressure 13Mpa in 20min and add hot-forming 28min after strengthening agent again, obtained vehicle electric insulating rubber material b.The preparation method of vehicle electric insulating rubber material, the time of plasticating is 50 minutes, and one section of mixing time is 60 minutes, and the time of two-stage mixing is 40 minutes.
Embodiment 3 vehicle electric insulating rubber material c
A kind of vehicle electric insulating rubber material, comprises the raw material of following parts by weight: natural rubber 80 parts, viton 40 parts, paracril 15 parts, stearic acid 2.5 parts, vulcanizing agent 2 parts, Vulcanization accelerator TMTD 6 parts, tenderizer 8 parts, strengthening agent 8 parts, 2.5 parts, anti-aging agent; Strengthening agent is white carbon black; Tenderizer is silane coupling agent.Raw material also comprises the calcium carbonate that parts by weight are 8 parts.Anti-aging agent is paraffin.Vulcanizing agent is sulphur.
The preparation method of vehicle electric insulating rubber material: comprise the following steps:
1) proportionally natural rubber is plasticated at 58 DEG C; By viton and paracril 78 DEG C carry out one section mixing; Natural rubber after plasticating to be added in one section of mixing mixture 85 DEG C and carry out two-stage mixing, obtain mixing complete mixture; 2) in mixing complete mixture, add stearic acid, vulcanizing agent, Vulcanization accelerator TMTD, tenderizer and anti-aging agent, in 190 DEG C, react under pressure 12Mpa in 20min and add hot-forming 25min after strengthening agent again, obtained vehicle electric insulating rubber material c.The preparation method of vehicle electric insulating rubber material, the time of plasticating is 40 minutes, and one section of mixing time is 50 minutes, and the time of two-stage mixing is 35 minutes.
Embodiment 4 performance test
Vehicle electric insulating rubber material a, the vehicle electric insulating rubber material b of preparation in embodiment 1 ~ 3 and vehicle electric insulating rubber material c are carried out conducting performance test to be found all non-conductive.
Claims (6)
1. a vehicle electric insulating rubber material, is characterized in that: the raw material comprising following parts by weight: natural rubber 70 ~ 90 parts, viton 30 ~ 50 parts, paracril 10 ~ 20 parts, stearic acid 2 ~ 3 parts, vulcanizing agent 1 ~ 3 part, Vulcanization accelerator TMTD 4 ~ 8 parts, tenderizer 5 ~ 10 parts, strengthening agent 5 ~ 10 parts, 2 ~ 3 parts, anti-aging agent; Described strengthening agent is Shawinigan black or white carbon black; Described tenderizer is silane coupling agent.
2. vehicle electric insulating rubber material according to claim 1, is characterized in that: described raw material also comprises potter's clay or the calcium carbonate that parts by weight are 5 ~ 10 parts.
3. vehicle electric insulating rubber material according to claim 1, is characterized in that: described anti-aging agent is paraffin.
4. vehicle electric insulating rubber material according to claim 1, is characterized in that: described vulcanizing agent is sulphur.
5. the preparation method of the vehicle electric insulating rubber material in claim 1 ~ 4 described in any one, is characterized in that: comprise the following steps:
1) proportionally natural rubber is plasticated at 55 ~ 60 DEG C; By viton and paracril 75 ~ 80 DEG C carry out one section mixing; Natural rubber after plasticating is added in one section of mixing mixture and carry out two-stage mixing at 80 ~ 90 DEG C, obtain mixing complete mixture;
2) in mixing complete mixture, add stearic acid, vulcanizing agent, Vulcanization accelerator TMTD, tenderizer and anti-aging agent, in 180 DEG C ~ 200 DEG C, react under pressure 11 ~ 13Mpa in 20min and add hot-forming 23 ~ 28min after strengthening agent again.
6. the preparation method of vehicle electric insulating rubber material according to claim 5, is characterized in that: the described time of plasticating is 30 ~ 50 minutes, and one section of described mixing time is 40 ~ 60 minutes, and the time of described two-stage mixing is 30 ~ 40 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510555494.4A CN105131358A (en) | 2015-09-02 | 2015-09-02 | Automotive electric insulation rubber material and preparation method thereof |
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| CN201510555494.4A CN105131358A (en) | 2015-09-02 | 2015-09-02 | Automotive electric insulation rubber material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109096553A (en) * | 2018-08-16 | 2018-12-28 | 安徽省汉甲机电设备科技有限公司 | A kind of heatproof, resistance to permanent deformation high-performance rubber material preparation method |
Citations (6)
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|---|---|---|---|---|
| JPH05117478A (en) * | 1991-10-29 | 1993-05-14 | Japan Synthetic Rubber Co Ltd | Fluororubber composition |
| CN103602011A (en) * | 2013-10-20 | 2014-02-26 | 安徽嘉木橡塑工业有限公司 | Oil resistant rubber |
| CN104046030A (en) * | 2014-06-25 | 2014-09-17 | 安徽嘉木橡塑工业有限公司 | High temperature-resistant oil-resistant rubber |
| CN104448434A (en) * | 2014-11-20 | 2015-03-25 | 安徽渡江电缆集团有限公司 | High-flame-retardance modified nitrile rubber cable material |
| CN104448419A (en) * | 2014-12-04 | 2015-03-25 | 侨健新能源科技（苏州）有限公司 | Environment-friendly high-performance modified rubber material |
| CN104693648A (en) * | 2013-12-09 | 2015-06-10 | 王东奎 | Non-asbestos rubber fiberboard |
-
2015
- 2015-09-02 CN CN201510555494.4A patent/CN105131358A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05117478A (en) * | 1991-10-29 | 1993-05-14 | Japan Synthetic Rubber Co Ltd | Fluororubber composition |
| CN103602011A (en) * | 2013-10-20 | 2014-02-26 | 安徽嘉木橡塑工业有限公司 | Oil resistant rubber |
| CN104693648A (en) * | 2013-12-09 | 2015-06-10 | 王东奎 | Non-asbestos rubber fiberboard |
| CN104046030A (en) * | 2014-06-25 | 2014-09-17 | 安徽嘉木橡塑工业有限公司 | High temperature-resistant oil-resistant rubber |
| CN104448434A (en) * | 2014-11-20 | 2015-03-25 | 安徽渡江电缆集团有限公司 | High-flame-retardance modified nitrile rubber cable material |
| CN104448419A (en) * | 2014-12-04 | 2015-03-25 | 侨健新能源科技（苏州）有限公司 | Environment-friendly high-performance modified rubber material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109096553A (en) * | 2018-08-16 | 2018-12-28 | 安徽省汉甲机电设备科技有限公司 | A kind of heatproof, resistance to permanent deformation high-performance rubber material preparation method |
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Application publication date: 20151209 |
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