CN105086298A - Extruded fluororubber composite for fuel pipes of electronic fuel injection vehicles and preparation method thereof - Google Patents
Extruded fluororubber composite for fuel pipes of electronic fuel injection vehicles and preparation method thereof Download PDFInfo
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- CN105086298A CN105086298A CN201510522130.6A CN201510522130A CN105086298A CN 105086298 A CN105086298 A CN 105086298A CN 201510522130 A CN201510522130 A CN 201510522130A CN 105086298 A CN105086298 A CN 105086298A
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Abstract
The invention discloses an extruded fluororubber composite for fuel pipes of electronic fuel injection vehicles and a preparation method thereof and belongs to the field of chemical industry. The extruded fluororubber composite is composed of 100 parts of high-fluorine-content fluororubber raw rubber, 5-10 parts of acid acceptor, 5-10 parts of softener, 10-20 parts of fortifier, 1-5 parts of processing aid, 1.5-3 parts of vulcanizer and promoter, and comprises, by mass, 25-55% of polyvinylidene fluoride and 10-35% of hexafluoropropylene polymer (fluorine 26) or 25-45% of vinylidene fluoride, 15-35% of tetrafluoroethylene, 10-35% of hexafluoropropylene polymer (fluorine 246), 25-45% of tetrafluoroethylene, 25-55% of hexafluoropropylene polymer (AFLAS) 25-55% of polyvinylidene fluoride, 10-35% of hexafluoropropylene and G-type polymer formed by region polymerizing of fluorine-containing monomer or iodine-containing vulcanizing point monomer containing active crosslinking points. High-fluorine-content fluororubber in bimodal distribution is taken as base gum, and fluorocarbon oil or liquid fluororubber is taken as the softener, so that the composite is good in extrusion performance and has oil resistance and temperature resistance that fluororubber have inherently.
Description
Technical field
The present invention relates to a kind of electric jet vehicle fuelpipe and extrude fluoro-rubber composite and preparation method, belong to chemical field.
Background technology
Viton, excellent thermotolerance, oxidation-resistance, oil-proofness, erosion resistance and resistance to weathering, being widely applied in fields such as space flight, aviation, automobile, oil and household electrical appliance, is irreplaceable critical material in national defence sophisticated industry.In recent years due to the develop rapidly of automotive industry, be also increasing to the demand of viton, require more and more higher.Viton is also that price is high relative to other rubber, and for meeting environmental protection and cost needs, the fuel hose of motor car engine generally adopts viton and chlorohydrin rubber compound to add braiding reinforcement now.But viton is due to its molecular structure singularity, and processing characteristics is bad, extrudability especially bad, more do not say the film about compound extruded 5 micron thickness.Therefore, a kind of resistance to fuel oil of exploitation is badly in need of in this area, high temperature resistant, has good extrudability viton simultaneously.
Along with automobile industry development is particularly along with environmental requirement is more and more higher, the high speed development of EFI fuel engines technology needs.Originally with the fuelpipe of common oil resisting rubber glue or composite rubber-plastic material, be difficult to satisfied current technical requirements.Particularly to the obstruct of gasoline.International and domesticly all mostly use fluorine material, as rubber or fluorine-containing thermoplastic elastomer and other oil resisting rubbers carry out compound, extrusion moulding, make fuelpipe.But due to the singularity of viton performance, most viton can not meet and extrudes needs on market, particularly squeeze the little pipe of diameter, more do not say the film about compound extruded 5 micron thickness.
Summary of the invention
For the problems referred to above, the invention provides a kind of electric jet vehicle fuelpipe and extrude fluoro-rubber composite and preparation method.This skill branch art, with the fluorine-containing viton of the height of bimodal distribution for base glue, fluorocarbon oil or liquid fluorine rubber are as tenderizer, and N550 is strengthening agent, and palm wax is processing aid, is filtered by banburying, add fluorine connection 50 as vulcanizing agent.Can obtain well extrudability, what oil-proofness was good extrudes viton, meets the technical requirements of the fuelpipe of state 4 standard.
The technical scheme that the present invention takes is:
A kind of electric jet vehicle fuelpipe extrudes fluoro-rubber composite and preparation method, by 100 parts high fluorine-containing crude fluororubber, 5-10 part acid-acceptor, 5-10 part tenderizer, 10-20 part strengthening agent, 1-5 part processing aid, 1.5-3 part vulcanizing agent and promotor composition, comprising, the polyvinylidene difluoride (PVDF) of mass percent 25-55%, 10-35% R 1216 polymkeric substance (fluorine 26) or the inclined ethene of mass percent 25-45%, 15-35% tetrafluoroethylene, 10-35% R 1216 polymkeric substance (fluorine 246), mass percent 25-45% tetrafluoroethylene, 25-55% R 1216 polymkeric substance (4 third viton), the polyvinylidene difluoride (PVDF) of mass percent 25-55%, 10-35% R 1216, fluorochemical monomer containing active cross-linking set or carry out the G type polymkeric substance that gathers in district containing iodine cure site monomer.
Described viton by seeding polymerization or the bimodal distribution rubber that is polymerized stage by stage, preferred G type viton.
Described fluorocarbon oil or liquid fluorine rubber comprise perfluor hydrocarbon ils, poly-perfluor isopropyl ether, poly-perfluor methyl ethyl ether and liquid fluorine rubber, preferential liquid viton.
Described strengthening agent, comprising: Calucium Silicate powder, silicon bath soil, barium sulfate, N200, N330, N550, N770, N990, spraying carbon black, the loading material of rubber such as White Carbon black, preferred Cabot N550.
Described acid-acceptor, comprising: calcium hydroxide, magnesium oxide, activated magnesia etc., preferably calcium hydroxide and activated magnesia.
Described processing aid, comprising: palm wax, Mo get Li, Zinic stearas, Lay mattress 25, polyethylene wax, paraffin, fluorine wax, excellent fluorine wax.
Described vulcanizing agent, comprise: No. 1 vulcanizing agent, No. 3 vulcanizing agent, dihydroxyphenyl propane, bisphenol AF, diamine and derivative vulcanization system thereof, dihydric phenol and accelerator combination vulcanization system, organo-peroxide and TAIC, organic peroxide sulfuration system, preferred dihydric phenol and accelerator combination vulcanization system and organo-peroxide and TAIC vulcanization system.
Described vulcanization accelerator, comprising: BPP (BPP), DBU and DBU salt, and quaternary ammonium salt, preferred BPP.
Beneficial effect acquired by the present invention:
Owing to present invention employs technique scheme, the present invention is base glue by the fluorine-containing viton of the height of bimodal distribution, and fluorocarbon oil or liquid fluorine rubber are as tenderizer, obtain well extrudability, the intrinsic oil resistant of viton exists, and temperature tolerance simultaneously, has possessed good extrusion performance.Can extrusion moulding smoothly, electric jet vehicle fuelpipe, and barrier property is good.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, is used for explaining the present invention in this illustrative examples of inventing and explanation, but not as a limitation of the invention.
A kind of electric jet vehicle fuelpipe extrudes fluoro-rubber composite and preparation method, by 100 parts high fluorine-containing crude fluororubber, 5-10 part acid-acceptor, 5-10 part tenderizer, 10-20 part strengthening agent, 1-5 part processing aid, 1.5-3 part vulcanizing agent and promotor composition, comprising, the polyvinylidene difluoride (PVDF) of mass percent 25-55%, 10-35% R 1216 polymkeric substance (fluorine 26) or the inclined ethene of mass percent 25-45%, 15-35% tetrafluoroethylene, 10-35% R 1216 polymkeric substance (fluorine 246), mass percent 25-45% tetrafluoroethylene, 25-55% R 1216 polymkeric substance (4 third viton), the polyvinylidene difluoride (PVDF) of mass percent 25-55%, 10-35% R 1216, fluorochemical monomer containing active cross-linking set or carry out the G type polymkeric substance that gathers in district containing iodine cure site monomer, described viton by seeding polymerization or the bimodal distribution rubber that is polymerized stage by stage, preferred G type viton, described fluorocarbon oil or liquid fluorine rubber comprise perfluor hydrocarbon ils, poly-perfluor isopropyl ether, poly-perfluor methyl ethyl ether and liquid fluorine rubber, preferential liquid viton, described strengthening agent, comprising: Calucium Silicate powder, silicon bath soil, barium sulfate, N200, N330, N550, N770, N990, spraying carbon black, the loading material of rubber such as White Carbon black, preferred Cabot N550, described acid-acceptor, comprising: calcium hydroxide, magnesium oxide, activated magnesia etc., preferably calcium hydroxide and activated magnesia, described processing aid, comprising: palm wax, Mo get Li, Zinic stearas, Lay mattress 25, polyethylene wax, paraffin, fluorine wax, excellent fluorine wax, described vulcanizing agent, comprise: No. 1 vulcanizing agent, No. 3 vulcanizing agent, dihydroxyphenyl propane, bisphenol AF, diamine and derivative vulcanization system thereof, dihydric phenol and accelerator combination vulcanization system, organo-peroxide and TAIC, organic peroxide sulfuration system, preferred dihydric phenol and accelerator combination vulcanization system and organo-peroxide and TAIC vulcanization system, described vulcanization accelerator, comprising: BPP (BPP), DBU and DBU salt, and quaternary ammonium salt, preferred BPP.
Embodiment 1:
A kind of electric jet vehicle fuelpipe extrudes fluoro-rubber composite and preparation method, high temperature resistant, has good extrudability viton simultaneously, is obtained by following starting material according to proportioning mixed preparing:
Proportioning raw materials:
A agent comprises:
Fluorine 26:100
Liquid fluorine rubber: 5
Calcium hydroxide: 3
Activated magnesia: 6
N550：12
Fluorine wax: 2
Bisphenol AF: 1.5
BBP：0.5
Embodiment 2
Fluorine 246:100
Liquid fluorine rubber: 5
Calcium hydroxide: 3
Activated magnesia: 6
N550：12
Fluorine wax: 2
Bisphenol AF: 1.5
BBP：0.5
Embodiment 3
4 third viton: 100
Liquid fluorine rubber: 5
Calcium hydroxide: 3
Activated magnesia: 6
N550：12
Fluorine wax: 2
Two 2.5 superoxide: 2
TAIC：3
Embodiment 4
G type viton: 100
Liquid fluorine rubber: 5
Calcium hydroxide: 3
Activated magnesia: 6
N550：12
Fluorine wax: 2
Two 2.5 superoxide: 2
TAIC：3
Comparative example 1:
Fluorine 246:100
Calcium hydroxide: 3
Activated magnesia: 6
N550：12
Fluorine wax: 2
Bisphenol AF: 1.5
BBP：0.5
Comparative example 2:
Fluorine 246:100
Liquid fluorine rubber: 5
Calcium hydroxide: 3
Activated magnesia: 6
N550：12
Fluorine wax: 2
Bisphenol AF: 1.5
BBP：0.5
Comparative example 3:
Non-bimodal distribution fluorine 26:100
Calcium hydroxide: 3
Activated magnesia: 6
N550：12
Fluorine wax: 2
Bisphenol AF: 1.5
BBP：0.5
Performance test:
UL94 is pressed for embodiment and comparative example---V0 standard testing flame retardant properties
Test result is as shown in the transparent casting glue the performance test results of following table embodiment and reference example:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Extrudability | Well | Well | Good | Well | Difference | Generally | Very poor |
| Resistance to gasoline | Well | Well | Well | Well | Well | Well | Well |
| Methanol gasoline resistant | Generally | Good | Well | Well | Generally | Generally | Generally |
As can be seen from showing, liquid fluorine rubber and bimodal distribution viton to extrudability have greatly to change squeeze high, temperature tolerance is not affected.
It should be noted that and understand, when not departing from the spirit and scope of the present invention required by the attached claim of report, can [detailed the present invention makes various amendment and improvement to upper art.Therefore claimed aspects backward in technique is not by the restriction of given any specific exemplary teachings.
Applicant states, the present invention illustrates method detailed of the present invention by above-mentioned example, but this is not limited to above-mentioned method detailed, does not namely mean that the present invention must rely on the thin method of above-mentioned sincerity and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, within equal protection scope of the present invention and openly scope.
Claims (8)
1. an electric jet vehicle fuelpipe extrudes fluoro-rubber composite and preparation method, it is characterized in that: by 100 parts high fluorine-containing crude fluororubber, 5-10 part acid-acceptor, 5-10 part tenderizer, 10-20 part strengthening agent, 1-5 part processing aid, 1.5-3 part vulcanizing agent and promotor composition, comprising, the polyvinylidene difluoride (PVDF) of mass percent 25-55%, 10-35% R 1216 polymkeric substance (fluorine 26) or the inclined ethene of mass percent 25-45%, 15-35% tetrafluoroethylene, 10-35% R 1216 polymkeric substance (fluorine 246), mass percent 25-45% tetrafluoroethylene, 25-55% R 1216 polymkeric substance (4 third viton), the polyvinylidene difluoride (PVDF) of mass percent 25-55%, 10-35% R 1216, fluorochemical monomer containing active cross-linking set or carry out the G type polymkeric substance that gathers in district containing iodine cure site monomer.
2. a kind of electric jet vehicle fuelpipe as claimed in claim 1 extrudes fluoro-rubber composite and preparation method, it is characterized in that: viton by seeding polymerization or the bimodal distribution rubber that is polymerized stage by stage, preferred G type viton.
3. a kind of electric jet vehicle fuelpipe as claimed in claim 1 extrudes fluoro-rubber composite and preparation method, it is characterized in that: fluorocarbon oil or liquid fluorine rubber comprise perfluor hydrocarbon ils, poly-perfluor isopropyl ether, poly-perfluor methyl ethyl ether and liquid fluorine rubber, preferential liquid viton.
4. a kind of electric jet vehicle fuelpipe as claimed in claim 1 extrudes fluoro-rubber composite and preparation method, it is characterized in that: strengthening agent, comprising: Calucium Silicate powder, silicon bath soil, barium sulfate, N200, N330, N550, N770, N990, spraying carbon black, the loading material of rubber such as White Carbon black, preferred Cabot N550.
5. a kind of electric jet vehicle fuelpipe as claimed in claim 1 extrudes fluoro-rubber composite and preparation method, it is characterized in that: acid-acceptor, comprising: calcium hydroxide, magnesium oxide, activated magnesia etc., preferably calcium hydroxide and activated magnesia.
6. a kind of electric jet vehicle fuelpipe as claimed in claim 1 extrudes fluoro-rubber composite and preparation method, it is characterized in that: processing aid, comprising: palm wax, Mo get Li, Zinic stearas, Lay mattress 25, polyethylene wax, paraffin, fluorine wax, excellent fluorine wax.
7. a kind of electric jet vehicle fuelpipe as claimed in claim 1 extrudes fluoro-rubber composite and preparation method, it is characterized in that: vulcanizing agent, comprise: No. 1 vulcanizing agent, No. 3 vulcanizing agent, dihydroxyphenyl propane, bisphenol AF, diamine and derivative vulcanization system thereof, dihydric phenol and accelerator combination vulcanization system, organo-peroxide and TAIC, organic peroxide sulfuration system, preferred dihydric phenol and accelerator combination vulcanization system and organo-peroxide and TAIC vulcanization system.
8. a kind of electric jet vehicle fuelpipe as claimed in claim 1 extrudes fluoro-rubber composite and preparation method, it is characterized in that: vulcanization accelerator, comprising: BPP (BPP), DBU and DBU salt, and quaternary ammonium salt, preferred BPP.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510522130.6A CN105086298A (en) | 2015-08-24 | 2015-08-24 | Extruded fluororubber composite for fuel pipes of electronic fuel injection vehicles and preparation method thereof |
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| CN201510522130.6A CN105086298A (en) | 2015-08-24 | 2015-08-24 | Extruded fluororubber composite for fuel pipes of electronic fuel injection vehicles and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860381A (en) * | 2016-04-19 | 2016-08-17 | 巨化集团技术中心 | Low-compression-deformation tetrafluoroethylene-propylene rubber sealing part and preparation method thereof |
| CN111004460A (en) * | 2019-12-04 | 2020-04-14 | 西北橡胶塑料研究设计院有限公司 | Fluororubber material for oil seal and preparation method thereof |
| CN111849095A (en) * | 2020-08-07 | 2020-10-30 | 成都道弘实业有限公司 | Extrusion-grade fluororubber premix with low fuel oil permeability and preparation method thereof |
| CN111875906A (en) * | 2020-08-07 | 2020-11-03 | 成都道弘实业有限公司 | Extrusion-grade fluororubber compound with low fuel oil permeability and preparation method thereof |
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| CN102276945A (en) * | 2011-07-11 | 2011-12-14 | 天津鹏翎胶管股份有限公司 | Methanol gasoline resistant fluorous rubber composition |
| CN104356559A (en) * | 2014-07-15 | 2015-02-18 | 蔡德扬 | Fluororubber compound and preparation method thereof |
| CN104356562A (en) * | 2013-10-30 | 2015-02-18 | 东莞市长安东阳光铝业研发有限公司 | Fluororubber rubber compound and preparation method thereof |
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2015
- 2015-08-24 CN CN201510522130.6A patent/CN105086298A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102276945A (en) * | 2011-07-11 | 2011-12-14 | 天津鹏翎胶管股份有限公司 | Methanol gasoline resistant fluorous rubber composition |
| CN104356562A (en) * | 2013-10-30 | 2015-02-18 | 东莞市长安东阳光铝业研发有限公司 | Fluororubber rubber compound and preparation method thereof |
| CN104356559A (en) * | 2014-07-15 | 2015-02-18 | 蔡德扬 | Fluororubber compound and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860381A (en) * | 2016-04-19 | 2016-08-17 | 巨化集团技术中心 | Low-compression-deformation tetrafluoroethylene-propylene rubber sealing part and preparation method thereof |
| CN105860381B (en) * | 2016-04-19 | 2018-11-16 | 巨化集团技术中心 | A kind of low compressive deformation tetrapropanate fluorine rubber sealing element and preparation method thereof |
| CN111004460A (en) * | 2019-12-04 | 2020-04-14 | 西北橡胶塑料研究设计院有限公司 | Fluororubber material for oil seal and preparation method thereof |
| CN111849095A (en) * | 2020-08-07 | 2020-10-30 | 成都道弘实业有限公司 | Extrusion-grade fluororubber premix with low fuel oil permeability and preparation method thereof |
| CN111875906A (en) * | 2020-08-07 | 2020-11-03 | 成都道弘实业有限公司 | Extrusion-grade fluororubber compound with low fuel oil permeability and preparation method thereof |
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Application publication date: 20151125 |
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