CN104130534A - Automobile fuel pump sealing member and making method thereof - Google Patents
Automobile fuel pump sealing member and making method thereof Download PDFInfo
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- CN104130534A CN104130534A CN201410348671.7A CN201410348671A CN104130534A CN 104130534 A CN104130534 A CN 104130534A CN 201410348671 A CN201410348671 A CN 201410348671A CN 104130534 A CN104130534 A CN 104130534A
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- fuel pump
- vehicle fuel
- pump seal
- fluororubber
- rubber
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Abstract
The invention discloses an automobile fuel pump sealing member and a making method thereof. The sealing member adopts a combined formula comprising fluorubber, a wear resistant filler, a strengthening agent and an acid absorption agent, the sealing member made in the invention has excellent oil penetration resistance, avoids gasoline penetration after long term use, has a very good high temperature resistance, does not deform after long term use at a high temperature, does not age easily, and has a long service life.
Description
Technical field
The present invention relates to sealing member and preparation method thereof, relate in particular to vehicle fuel pump seal and preparation method thereof, belong to auto parts machinery field.
Background technology
Vehicle fuel pump seal is not only related to the normal safety that is also related to vehicle simultaneously of using of oil fuel pump, and the problems such as leakage of oil that often have the sealing property problem because of sealing member to cause in prior art, so that cause certain potential safety hazard to vehicle.What vehicle fuel pump seal of the prior art adopted conventionally is paracril material, but paracril exists oil resistance and the poor defect of resistance to elevated temperatures, and life-time service cannot guarantee the sealing effectiveness of sealing member, thereby has caused certain potential safety hazard.
Summary of the invention
The object of the invention is to overcome defect of the prior art, vehicle fuel pump seal and preparation method thereof is provided, described sealing member has excellent oil resistant perviousness and high thermal resistance, and while sealing member is difficult for aging, long service life.
The present invention is achieved by the following technical programs.
Vehicle fuel pump seal, its moiety is according to the mass fraction:
Above-mentioned vehicle fuel pump seal, wherein, described middle Mooney fluororubber rubber is fluororubber 26 03, is purchased from Sichuan morning twilight commerce and trade company limited.
Above-mentioned vehicle fuel pump seal, wherein, described low Mooney fluororubber rubber is fluororubber 26 02, is purchased from Sichuan morning twilight commerce and trade company limited.
Above-mentioned vehicle fuel pump seal, wherein, described releasing agent is releasing agent 2818, is purchased from Shanghai Sanaifu New Material Co., Ltd.
Above-mentioned vehicle fuel pump seal, wherein, described wear resistant filler is wear resistant filler M150, is purchased from Shanghai Sanaifu New Material Co., Ltd.
The preparation method of above-mentioned vehicle fuel pump seal, preparation process is as follows: first middle Mooney fluororubber rubber and low Mooney fluororubber rubber are added mediate in Banbury mixer and plasticate, Heating temperature is to 100-110 ℃, stirring velocity 50-55r/min, churning time 15-20min, and then add activated magnesia, active calcium oxide, brazil wax, releasing agent, fluorine wax, spray carbon black, wear resistant filler, bisphenol AF and vulcanization accelerator BPP carry out mixing, melting temperature scope is 150-165 ℃, pressure is 10-12KN, mediating Banbury mixer rotating speed is 50-55r/min, mixing time is 1-1.5h, and then rubber unvulcanizate is put into mould compression molding, and carry out two sections of sulfurations, first cure temperature 180-185 ℃, curing time 5-8min, second segment curing temperature 200-210 ℃, curing time 8-9h.
Vehicle fuel pump seal of the present invention adopts the combination formula of viton, wear resistant filler, strengthening agent and acid-acceptor etc., the sealing member making has excellent oil resistant perviousness, even if life-time service also there will not be gasoline phenomenon of osmosis, sealing member has good resistance to elevated temperatures simultaneously, at high temperature life-time service can not be out of shape yet, while sealing member is difficult for aging, long service life.
Embodiment
By specific embodiment, the specific embodiment of the present invention is described in further detail below.
Activated magnesia of the present invention is purchased from Japanese Kyowa Chemical Industry Co., Ltd; Described active calcium oxide is purchased from sky, Yixing power chemical industry nanosecond science and technology company limited; Described bisphenol AF and vulcanization accelerator BPP are purchased from Zigong Tianlong Chemical Co.,Ltd..
Embodiment 1
The preparation method of vehicle fuel pump seal, preparation process is as follows: first the fluororubber 26 02 of the fluororubber 26 of 60 parts 03 and 40 parts is added to mediate in Banbury mixer and plasticate, Heating temperature to 100 ℃, stirring velocity 50r/min, churning time 15min, and then add the activated magnesia of 9 parts, the active calcium oxide of 7.9 parts, the brazil wax of 3 parts, the releasing agent 2818 of 1 part, the fluorine wax of 0.9 part, the spray carbon black of 10 parts, the wear resistant filler M150 of 5 parts, the vulcanization accelerator BPP of the bisphenol AF of 2.9 parts and 2 parts carries out mixing, melting temperature is 150 ℃, pressure is 10KN, mediating Banbury mixer rotating speed is 50r/min, mixing time is 1h, and then rubber unvulcanizate is put into mould compression molding, and carry out two sections of sulfurations, 180 ℃ of first cure temperature, curing time 5min, 200 ℃ of second segment curing temperatures, curing time 8h.
Embodiment 2
The preparation method of vehicle fuel pump seal, preparation process is as follows: first the fluororubber 26 02 of the fluororubber 26 of 65 parts 03 and 35 parts is added to mediate in Banbury mixer and plasticate, Heating temperature to 105 ℃, stirring velocity 55r/min, churning time 18min, and then add the activated magnesia of 9.1 parts, the active calcium oxide of 8 parts, the brazil wax of 3.1 parts, the releasing agent 2818 of 1.1 parts, the fluorine wax of 1 part, the spray carbon black of 11 parts, the wear resistant filler M150 of 5.1 parts, the vulcanization accelerator BPP of the bisphenol AF of 3 parts and 2.1 parts carries out mixing, melting temperature is 160 ℃, pressure is 11KN, mediating Banbury mixer rotating speed is 55r/min, mixing time is 1.3h, and then rubber unvulcanizate is put into mould compression molding, and carry out two sections of sulfurations, 183 ℃ of first cure temperature, curing time 6min, 205 ℃ of second segment curing temperatures, curing time 8.5h.Embodiment 3
The preparation method of vehicle fuel pump seal, preparation process is as follows: first the fluororubber 26 02 of the fluororubber 26 of 70 parts 03 and 30 parts is added to mediate in Banbury mixer and plasticate, Heating temperature to 110 ℃, stirring velocity 50r/min, churning time 20min, and then add the activated magnesia of 9 parts, the active calcium oxide of 7.9 parts, the brazil wax of 3 parts, the releasing agent 2818 of 1 part, the fluorine wax of 1 part, the spray carbon black of 10 parts, the wear resistant filler M150 of 5.2 parts, the vulcanization accelerator BPP of the bisphenol AF of 3 parts and 2 parts carries out mixing, melting temperature is 165 ℃, pressure is 12KN, mediating Banbury mixer rotating speed is 55r/min, mixing time is 1.5h, and then rubber unvulcanizate is put into mould compression molding, and carry out two sections of sulfurations, 185 ℃ of first cure temperature, curing time 8min, 210 ℃ of second segment curing temperatures, curing time 9h.
The performance data of the vehicle fuel pump seal that the method for the invention makes is as following table 1:
The performance data of the vehicle fuel pump seal that table 1 the present invention makes
| Test event | Numerical value |
| Hardness (IRHD) | 70-75 |
| Elongation at break (%) | 320 |
| Fracture tensile strength (MPa) | 13.5-14 |
Here description of the invention and application is illustrative, not wants that therefore, the present invention is not subject to the restriction of the present embodiment by scope restriction of the present invention in the above-described embodiments, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (6)
1. vehicle fuel pump seal, is characterized in that, its moiety is according to the mass fraction:
Middle Mooney fluororubber rubber 60-70 part
Low Mooney fluororubber rubber 30-40 part
Activated magnesia 9-9.1 part
Active calcium oxide 7.9-8 part
Brazil wax 3-3.1 part
Releasing agent 1-1.1 part
Fluorine wax 0.9-1 part
Spray carbon black 10-11 part
Wear resistant filler 5-5.2 part
Bisphenol AF 2.9-3 part
Vulcanization accelerator BPP 2-2.1 part.
2. vehicle fuel pump seal as claimed in claim 1, is characterized in that, described middle Mooney fluororubber rubber is fluororubber 26 03, is purchased from Sichuan morning twilight commerce and trade company limited.
3. vehicle fuel pump seal as claimed in claim 1, is characterized in that, described low Mooney fluororubber rubber is fluororubber 26 02, is purchased from Sichuan morning twilight commerce and trade company limited.
4. vehicle fuel pump seal as claimed in claim 1, is characterized in that, described releasing agent is releasing agent 2818, is purchased from Shanghai Sanaifu New Material Co., Ltd.
5. vehicle fuel pump seal as claimed in claim 1, is characterized in that, described wear resistant filler is wear resistant filler M150, is purchased from Shanghai Sanaifu New Material Co., Ltd.
6. the preparation method of vehicle fuel pump seal as claimed in claim 1, it is characterized in that, preparation process is as follows: first middle Mooney fluororubber rubber and low Mooney fluororubber rubber are added mediate in Banbury mixer and plasticate, Heating temperature is to 100-110 ℃, stirring velocity 50-55r/min, churning time 15-20min, and then add activated magnesia, active calcium oxide, brazil wax, releasing agent, fluorine wax, spray carbon black, wear resistant filler, bisphenol AF and vulcanization accelerator BPP carry out mixing, melting temperature scope is 150-165 ℃, pressure is 10-12KN, mediating Banbury mixer rotating speed is 50-55r/min, mixing time is 1-1.5h, and then rubber unvulcanizate is put into mould compression molding, and carry out two sections of sulfurations, first cure temperature 180-185 ℃, curing time 5-8min, second segment curing temperature 200-210 ℃, curing time 8-9h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348671.7A CN104130534A (en) | 2014-07-20 | 2014-07-20 | Automobile fuel pump sealing member and making method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348671.7A CN104130534A (en) | 2014-07-20 | 2014-07-20 | Automobile fuel pump sealing member and making method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104130534A true CN104130534A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410348671.7A Pending CN104130534A (en) | 2014-07-20 | 2014-07-20 | Automobile fuel pump sealing member and making method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054854A (en) * | 2018-01-18 | 2019-07-26 | 北京橡胶工业研究设计院有限公司 | A kind of thermostable fluorine rubber seal |
-
2014
- 2014-07-20 CN CN201410348671.7A patent/CN104130534A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054854A (en) * | 2018-01-18 | 2019-07-26 | 北京橡胶工业研究设计院有限公司 | A kind of thermostable fluorine rubber seal |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20141105 |