CN105131479A - Automobile power steering tube inner rubber layer rubber preparation method - Google Patents
Automobile power steering tube inner rubber layer rubber preparation method Download PDFInfo
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- CN105131479A CN105131479A CN201510500706.9A CN201510500706A CN105131479A CN 105131479 A CN105131479 A CN 105131479A CN 201510500706 A CN201510500706 A CN 201510500706A CN 105131479 A CN105131479 A CN 105131479A
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Abstract
The present invention discloses an automobile power steering tube inner rubber layer rubber preparation method which is as follows: vinylidene fluoride, tetrafluoroethylene and propylene are polymerized to obtain fluorine rubber, the fluorine rubber and spray carbon black are mixed, after the mixing, an acid absorption agent, a processing aid and a vulcanizing agent are added for mixing, discharging, cooling, and standing for 12 hours, and the product can be obtained by vulcanization. The material obtained by the method has the characteristics of resistance to high temperature more than 180 ~ 225 DEG C and resistance to high pressure of 100 ~ 150MPa, and the product can meet the harsh working conditions, and is especially suitable for automobile power steering tube inner rubber layer rubber.
Description
Technical field
The invention belongs to field of rubber technology, be specifically related to a kind of preparation method of automobile power steering tube inner glue layer rubber.
Background technology
Power steering tube is a kind of product that in automobile steering system parts, technology content is higher.Along with the develop rapidly of automotive industry, the application of power steering tube in automobile steering system is more and more general, also improves constantly, particularly its resistance toheat to the performance requriements of automobile power steering tube simultaneously.Automobile power steering tube is generally made up of inside and outside layer rubber.At present, although the preparation method resistance toheat of people to automobile power steering tube inner glue layer rubber constantly carries out Improvement, effect is also not obvious, and its resistance toheat still has much room for improvement.
Summary of the invention
Goal of the invention: the object of this invention is to provide a kind of better resistance toheat that has, for the preparation method of the rubber of automobile power steering tube inner glue layer.
Technical scheme: the preparation method that the invention provides a kind of automobile power steering tube inner glue layer rubber, carry out as follows:
By vinylidene fluoride, tetrafluoroethylene and propylene polymerization, obtain viton, by viton and spray carbon black mixing, add acid-acceptor, processing aid and vulcanizing agent after mixing, mixing, slice, cools and places 12 hours, then carrying out sulfuration, obtain product.
More specifically, the present invention is by vinylidene fluoride, tetrafluoroethylene and propylene polymerization, obtain viton, by 100 mass parts viton and the mixing of 1 ~ 6 mass parts spray carbon black, the vulcanizing agent of 3 ~ 15 mass parts acid-acceptors, 0 ~ 3 mass parts processing aid and 0.1 ~ 0.6 mass parts is added, mixing, slice, cooling place 12 hours after mixing, then carry out sulfuration, obtain product.
Described acid-acceptor is zinc oxide.
Described processing aid is palm wax.
Described vulcanizing agent is tetramethyl thiuram disulfide.
Described sulfuration is divided into two sections of sulfurations, and the pressure of one step cure is 10MPa, and curing temperature is 160 DEG C, and curing time is 15min; Post vulcanization is atmospheric pressure vulcanization, and curing temperature is 200 DEG C, and curing time is 24h.
The described method obtaining viton is: by 50 ~ 70 mass parts difluoroethylenes, 10 ~ 20 parts of tetrafluoroethylene and 10 ~ 30 parts of propylene mixing, add 0.5 part of 5wt% persulphate aqueous solution and 0.05 part of butyl ethyl malonate, adjust ph is 4, and polymerization pressure is 0.9Mpa, obtains viton.
Beneficial effect: the material that the present invention obtains, has the high temperature of resistance to more than 180 ~ 225 DEG C, and the feature of the high pressure of resistance to 100 ~ 150MPa, and product can meet the use under harsh working condition, is specially adapted to automobile power steering tube inner glue layer and uses.
Embodiment:
Embodiment 1
50g difluoroethylene, 10g tetrafluoroethylene and 10g propylene are mixed, add the 0.5g5wt% persulphate aqueous solution and 0.05g butyl ethyl malonate, adjust ph is 4, and polymerization pressure is 0.9Mpa, obtains viton.
Get above-mentioned viton 100g and the mixing of 1g spray carbon black, 3g zinc oxide, 1g palm wax and 0.1g tetramethyl thiuram disulfide is added after mixing, mixing, slice, cooling place 12 hours, then sulfuration is carried out, the pressure of one step cure is 10MPa, and curing temperature is 160 DEG C, and curing time is 15min; Post vulcanization is atmospheric pressure vulcanization, and curing temperature is 200 DEG C, and curing time is 24h.Obtain product.
Embodiment 2
70g difluoroethylene, 20g tetrafluoroethylene and 30g propylene are mixed, add the 0.5g5wt% persulphate aqueous solution and 0.05g butyl ethyl malonate, adjust ph is 4, and polymerization pressure is 0.9Mpa, obtains viton.
Get above-mentioned viton 100g and the mixing of 6g spray carbon black, 15g zinc oxide, 3g palm wax and 0.6g tetramethyl thiuram disulfide is added after mixing, mixing, slice, cooling place 12 hours, then sulfuration is carried out, the pressure of one step cure is 10MPa, and curing temperature is 160 DEG C, and curing time is 15min; Post vulcanization is atmospheric pressure vulcanization, and curing temperature is 200 DEG C, and curing time is 24h.Obtain product.
Embodiment 3
70g difluoroethylene, 20g tetrafluoroethylene and 30g propylene are mixed, add the 0.5g5wt% persulphate aqueous solution and 0.05g butyl ethyl malonate, adjust ph is 4, and polymerization pressure is 0.9Mpa, obtains viton.
Get above-mentioned viton 100g and the mixing of 6g spray carbon black, 15g zinc oxide, 3g palm wax and 0.6g tetramethyl thiuram disulfide is added after mixing, mixing, slice, cooling place 14 hours, then sulfuration is carried out, the pressure of one step cure is 10MPa, and curing temperature is 150 DEG C, and curing time is 10min; Post vulcanization is atmospheric pressure vulcanization, and curing temperature is 200 DEG C, and curing time is 20h.Obtain product.
Embodiment 4
70g difluoroethylene, 20g tetrafluoroethylene and 30g propylene are mixed, add the 0.5g5wt% persulphate aqueous solution and 0.05g butyl ethyl malonate, adjust ph is 4, and polymerization pressure is 0.9Mpa, obtains viton.
Get above-mentioned viton 100g and the mixing of 6g spray carbon black, 15g zinc oxide, 3g palm wax and 0.6g tetramethyl thiuram disulfide is added after mixing, mixing, slice, cooling place 12 hours, then sulfuration is carried out, the pressure of one step cure is 9MPa, and curing temperature is 160 DEG C, and curing time is 15min; Post vulcanization is atmospheric pressure vulcanization, and curing temperature is 190 DEG C, and curing time is 20h.Obtain product.
Above-mentioned 4 products are carried out performance test, and its result is as shown in the table
Claims (7)
1. a preparation method for automobile power steering tube inner glue layer rubber, is characterized in that carrying out as follows:
By vinylidene fluoride, tetrafluoroethylene and propylene polymerization, obtain viton, by viton and spray carbon black mixing, add acid-acceptor, processing aid and vulcanizing agent after mixing, mixing, slice, cools and places 12 hours, then carrying out sulfuration, obtain product.
2. preparation method as claimed in claim 1, it is characterized in that carrying out as follows: by vinylidene fluoride, tetrafluoroethylene and propylene polymerization, obtain viton, by 100 mass parts viton and the mixing of 1 ~ 6 mass parts spray carbon black, the vulcanizing agent of 3 ~ 15 mass parts acid-acceptors, 0 ~ 3 mass parts processing aid and 0.1 ~ 0.6 mass parts is added, mixing, slice, cooling place 12 hours after mixing, then carry out sulfuration, obtain product.
3. preparation method as claimed in claim 1, is characterized in that described acid-acceptor is zinc oxide.
4. preparation method as claimed in claim 1, is characterized in that described processing aid is palm wax.
5. preparation method as claimed in claim 1, is characterized in that described vulcanizing agent is tetramethyl thiuram disulfide.
6. preparation method as claimed in claim 1, it is characterized in that described sulfuration is divided into two sections of sulfurations, the pressure of one step cure is 10MPa, and curing temperature is 160 DEG C, and curing time is 15min; Post vulcanization is atmospheric pressure vulcanization, and curing temperature is 200 DEG C, and curing time is 24h.
7. preparation method as claimed in claim 1, the method obtaining viton described in it is characterized in that is: by 50 ~ 70 mass parts difluoroethylenes, 10 ~ 20 parts of tetrafluoroethylene and 10 ~ 30 parts of propylene mixing, add 0.5 part of 5wt% persulphate aqueous solution and 0.05 part of butyl ethyl malonate, adjust ph is 4, polymerization pressure is 0.9Mpa, obtains viton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500706.9A CN105131479A (en) | 2015-08-14 | 2015-08-14 | Automobile power steering tube inner rubber layer rubber preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510500706.9A CN105131479A (en) | 2015-08-14 | 2015-08-14 | Automobile power steering tube inner rubber layer rubber preparation method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1649918A (en) * | 2002-05-02 | 2005-08-03 | 杜邦唐弹性体公司 | Curable base-resistant fluoroelastomers |
| CN102516438A (en) * | 2011-11-30 | 2012-06-27 | 中昊晨光化工研究院 | Method for preparing fluorine-containing rubber for automobile rubber pipe |
| CN103613886A (en) * | 2013-11-05 | 2014-03-05 | 广州机械科学研究院有限公司 | High temperature and high pressure-resistant fluororubber material, and preparation method and application thereof |
| CN104177739A (en) * | 2014-08-14 | 2014-12-03 | 中国石油集团渤海钻探工程有限公司 | Rubber oil pocket for vertical drilling tools and preparation method thereof |
-
2015
- 2015-08-14 CN CN201510500706.9A patent/CN105131479A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1649918A (en) * | 2002-05-02 | 2005-08-03 | 杜邦唐弹性体公司 | Curable base-resistant fluoroelastomers |
| CN102516438A (en) * | 2011-11-30 | 2012-06-27 | 中昊晨光化工研究院 | Method for preparing fluorine-containing rubber for automobile rubber pipe |
| CN103613886A (en) * | 2013-11-05 | 2014-03-05 | 广州机械科学研究院有限公司 | High temperature and high pressure-resistant fluororubber material, and preparation method and application thereof |
| CN104177739A (en) * | 2014-08-14 | 2014-12-03 | 中国石油集团渤海钻探工程有限公司 | Rubber oil pocket for vertical drilling tools and preparation method thereof |
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Application publication date: 20151209 |