CN102993510A - High-oil-resistant rubber part for fuel system of internal combustion engine - Google Patents
High-oil-resistant rubber part for fuel system of internal combustion engine Download PDFInfo
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- CN102993510A CN102993510A CN 201210502960 CN201210502960A CN102993510A CN 102993510 A CN102993510 A CN 102993510A CN 201210502960 CN201210502960 CN 201210502960 CN 201210502960 A CN201210502960 A CN 201210502960A CN 102993510 A CN102993510 A CN 102993510A
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Abstract
The invention relates to a high-oil-resistant rubber part for a fuel system of an internal combustion engine. The high-oil-resistant rubber part comprises the following rubber raw materials in proportions: 20-40 parts of 26 nitrile-butadiene rubber, 60-80 parts of 18 nitrile-butadiene rubber, 20-40 parts of 320 chloroprene rubber, 1-1.2 parts of sulphur, 7-8 parts of zinc oxide, 1-1.2 parts of stearic acid, 110-120 parts of spraying carbon black, 25-35 parts of ortho-di-n-butyl phthalate, 1-3 parts of accelerant DM with the Chinese name of 2,2'-dithio-dibenzo thiazole and the molecular formula of C14H8N2S4 and 2-3 parts of anti-aging agent D with the Chinese name of N-phenyl-2-naphthylamine and the molecular formula of C16H13N. By using the high-oil-resistant rubber part for the fuel system of the internal combustion engine, the oil resistance of the rubber part for the internal combustion engine can be improved, the volume expansion caused by long-term use can be reduced, and the fuel seepage phenomenon can not be caused.
Description
Technical field
The present invention relates to rubber materials, particularly relate to fuel of internal combustion engine system high oil-resistant rubber part.
Background technology
Existing fuel of internal combustion engine system with the high oil-resistant rubber part in fuel oil after long-time the immersion volumetric expansion obvious, even have fuel oil to ooze out to cause leakage phenomenon.
Summary of the invention
The purpose of this invention is to provide a kind of fuel of internal combustion engine system high oil-resistant rubber part, it can improve oil engine with the fuel resistance energy of rubber part, reduces the volumetric expansion of life-time service, can not produce fuel oil and ooze out phenomenon.
Technical scheme of the present invention is: a kind of fuel of internal combustion engine system high oil-resistant rubber part is provided, and it is characterized in that: its rubber raw materials proportioning is chosen in: 20～40 parts of 26 type paracrils, 60～80 parts of 18 type paracrils, 20～40 parts of 320 type chloroprene rubbers, 1～1.2 part in sulphur, 7～8 parts in zinc oxide, 1～1.2 part of stearic acid, 110～120 parts of spray carbon blacks, 25～35 parts of adjacent dibutylesters, 1～3 part of DM promotor, 2～3 parts of D anti-aging agent molecular formula: C16H13N.
Described rubber raw materials proportioning is 20 parts of 26 type paracrils, 60 parts of 18 type paracrils, 20 parts of 320 type chloroprene rubbers, 1 part in sulphur, 7 parts in zinc oxide, 1 part of stearic acid, 110 parts of spray carbon blacks, 25 parts of adjacent dibutylesters, 1 part of DM promotor, 2 parts of D anti-aging agent molecular formula: C16H13N.
Described rubber raw materials proportioning is 30 parts of 26 type paracrils, 70 parts of 18 type paracrils, 30 parts of 320 type chloroprene rubbers, 1.1 parts in sulphur, 7.5 parts in zinc oxide, 1.1 parts of stearic acid, 115 parts of spray carbon blacks, 30 parts of adjacent dibutylesters, 2 parts of DM promotor, 2.5 parts of D anti-aging agent C16H13N.
Described rubber raw materials proportioning is 40 parts of 26 type paracrils, 80 parts of 18 type paracrils, 40 parts of 320 type chloroprene rubbers, 1.2 parts in sulphur, 8 parts in zinc oxide, 1.2 parts of stearic acid, 120 parts of spray carbon blacks, 35 parts of adjacent dibutylesters, 3 parts of DM promotor, 3 parts of D anti-aging agent C16H13N.
This fuel of internal combustion engine system is with the production method of high oil-resistant rubber part:
Sizing material is produced
⑴ according to the various rubber batchings of concrete formula rate weighing; Its rubber raw materials proportioning is chosen in 20～40 parts of 26 type paracrils, 60～80 parts of 18 type paracrils, 20～40 parts of 320 type chloroprene rubbers, 1～1.2 part in sulphur, 7～8 parts in zinc oxide, 1～1.2 part of stearic acid, 110～120 parts of spray carbon blacks, 25～35 parts of adjacent dibutylesters, 1～3 part of DM promotor, 2～3 parts of D anti-aging agent molecular formula: C16H13N, the weight unit that component is every part is fixed according to need of production, presses 1 kilogram such as portion;
⑵ add 26 type paracrils and 18 type paracril raw materials successively on the rubber mixing machine according to proportioning and mixed 1 minute, add 320 type chloroprene rubbers according to proportioning and be added on the rubber mixing machine blend after 1 minute, the rubber mixing machine roll spacing transfers to 4mm and adds sulphur, antioxidant D, zinc oxide, stearic acid mixing by proportioning successively after mixing 1 minute, and roll spacing is transferred to 5mm altax, spray carbon black, adjacent dibutylester and is mixed;
⑶ rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times;
⑷ mixing even sizing material room temperature park 24 hours stand-by;
Products production
⑴ park on the rear sizing material rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewinds 2 times;
⑵ sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
⑶ opening mold after sulfuration is finished takes out product.
The invention has the beneficial effects as follows: this fuel of internal combustion engine provided by the invention system high oil-resistant rubber part, it is by changing the rubber raw materials proportioning, increase the especially content of polar rubber of rubber Semi-polarity material, improve rubber product to the anti-patience of fuel oil, improve the oil engine fuel resistance energy of rubber part, reduce the volumetric expansion of life-time service, do not ooze out phenomenon so that this fuel of internal combustion engine system can not produce fuel oil with the high oil-resistant rubber part.
Embodiment
This fuel of internal combustion engine of embodiment system high oil-resistant rubber part, its rubber raw materials proportioning is chosen in: 20～40 parts of 26 type paracrils, 60～80 parts of 18 type paracrils, 20～40 parts of 320 type chloroprene rubbers, 1～1.2 part in sulphur, 7～8 parts in zinc oxide, 1～1.2 part of stearic acid, 110～120 parts of spray carbon blacks, 25～35 parts of adjacent dibutylesters, DM promotor (Chinese name: 2,2'-dithio Dibenzo thiazole, molecular formula: C14H8N2S4) 1～3 part, D anti-aging agent (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 2～3 parts.
Its proportioning raw materials of embodiment 1 is: 20 parts of 26 type paracrils, 60 parts of 18 type paracrils, 20 parts of 320 type chloroprene rubbers, 1 part in sulphur, 7 parts in zinc oxide, 1 part of stearic acid, 110 parts of spray carbon blacks, 25 parts of adjacent dibutylesters, DM promotor (Chinese name: 2, the 2'-dithio-bis-benzothiazole, molecular formula: C14H8N2S4) 1 part, D anti-aging agent (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 2 parts.
Every part weight unit is fixed according to need of production in the component, such as every part by 1 kilogram.
Concrete production stage is as follows:
Sizing material is produced
⑴ according to the various batchings of concrete formula rate weighing;
⑵ get 60 parts of 20 parts of 26 type paracrils and 18 type paracrils and add successively on the rubber mixing machine and mixed 1 minute, get 20 parts of 320 type chloroprene rubbers and be added on the rubber mixing machine blend after 1 minute, the rubber mixing machine roll spacing transfers to 4mm and adds successively 1 part in 1 part in sulphur, 2 parts in D anti-aging agent, 7 parts in zinc oxide, stearic acid after mixing 1 minute and evenly mix, and roll spacing is transferred to 5mm and is added 25 parts of 2 parts of DM promotor, 110 parts of spray carbon blacks, adjacent dibutylester and mix.
⑶ rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times.
⑷ mixing even sizing material room temperature park 24 hours stand-by.
Products production
⑴ park on the rear sizing material rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewinds 2 times;
⑵ sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
⑶ opening mold after sulfuration is finished takes out product.
It is duplicate with industry standard and known technology that present embodiment does not have the part of narration, so be not described in detail.
Embodiment 2 production processes are identical with embodiment 1, difference is that rubber mass component ratio is different, the rubber mass composition of embodiment 2 is as follows by component: 30 parts of 26 type paracrils, 70 parts of 18 type paracrils, 30 parts of 320 type chloroprene rubbers, 1.1 parts in sulphur, 7.5 parts in zinc oxide, 1.1 parts of stearic acid, 115 parts of spray carbon blacks, 30 parts of adjacent dibutylesters, DM promotor (Chinese name: 2,2'-dithio Dibenzo thiazole, molecular formula: C14H8N2S4) 2 parts, D anti-aging agent (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 2.5 parts.
Embodiment 3 production processes are identical with embodiment 1, difference is that rubber mass component ratio is different, the rubber mass composition of embodiment 3 is as follows by component: 40 parts of 26 type paracrils, 80 parts of 18 type paracrils, 40 parts of 320 type chloroprene rubbers, 1.2 parts in sulphur, 8 parts in zinc oxide, 1.2 parts of stearic acid, 120 parts of spray carbon blacks, 35 parts of adjacent dibutylesters, altax (Chinese name: 2,2'-dithio Dibenzo thiazole, molecular formula: C14H8N2S4) 3 parts, antioxidant D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 3 parts.
Three kinds of embodiment performance comparison are shown in form:
Embodiment 2 prescriptions and the contrast of existing market product
Claims (5)
1. fuel of internal combustion engine system high oil-resistant rubber part, it is characterized in that: its rubber raw materials proportioning is chosen in: 20～40 parts of 26 type paracrils, 60～80 parts of 18 type paracrils, 20～40 parts of 320 type chloroprene rubbers, 1～1.2 part in sulphur, 7～8 parts in zinc oxide, 1～1.2 part of stearic acid, 110～120 parts of spray carbon blacks, 25～35 parts of adjacent dibutylesters, 1～3 part of DM promotor, 2～3 parts of D anti-aging agent molecular formula: C16H13N.
2. fuel of internal combustion engine according to claim 1 system high oil-resistant rubber part, it is characterized in that: described rubber raw materials proportioning is 20 parts of 26 type paracrils, 60 parts of 18 type paracrils, 20 parts of 320 type chloroprene rubbers, 1 part in sulphur, 7 parts in zinc oxide, 1 part of stearic acid, 110 parts of spray carbon blacks, 25 parts of adjacent dibutylesters, 1 part of DM promotor, 2 parts of D anti-aging agent molecular formula: C16H13N.
3. fuel of internal combustion engine according to claim 1 system high oil-resistant rubber part, it is characterized in that: described rubber raw materials proportioning is 30 parts of 26 type paracrils, 70 parts of 18 type paracrils, 30 parts of 320 type chloroprene rubbers, 1.1 parts in sulphur, 7.5 parts in zinc oxide, 1.1 parts of stearic acid, 115 parts of spray carbon blacks, 30 parts of adjacent dibutylesters, 2 parts of DM promotor, 2.5 parts of D anti-aging agent C16H13N.
4. fuel of internal combustion engine according to claim 1 system high oil-resistant rubber part, it is characterized in that: described rubber raw materials proportioning is 40 parts of 26 type paracrils, 80 parts of 18 type paracrils, 40 parts of 320 type chloroprene rubbers, 1.2 parts in sulphur, 8 parts in zinc oxide, 1.2 parts of stearic acid, 120 parts of spray carbon blacks, 35 parts of adjacent dibutylesters, 3 parts of DM promotor, 3 parts of D anti-aging agent C16H13N.
5. fuel of internal combustion engine according to claim 1 system is with the production method of high oil-resistant rubber part:
Sizing material is produced
⑴ according to the various rubber batchings of concrete formula rate weighing; Its rubber raw materials proportioning is chosen in 20～40 parts of 26 type paracrils, 60～80 parts of 18 type paracrils, 20～40 parts of 320 type chloroprene rubbers, 1～1.2 part in sulphur, 7～8 parts in zinc oxide, 1～1.2 part of stearic acid, 110～120 parts of spray carbon blacks, 25～35 parts of adjacent dibutylesters, 1～3 part of DM promotor, 2～3 parts of D anti-aging agent molecular formula: C16H13N, the weight unit that component is every part is fixed according to need of production, presses 1 kilogram such as portion;
⑵ add 26 type paracrils and 18 type paracril raw materials successively on the rubber mixing machine according to proportioning and mixed 1 minute, add 320 type chloroprene rubbers according to proportioning and be added on the rubber mixing machine blend after 1 minute, the rubber mixing machine roll spacing transfers to 4mm and adds sulphur, antioxidant D, zinc oxide, stearic acid mixing by proportioning successively after mixing 1 minute, and roll spacing is transferred to 5mm altax, spray carbon black, adjacent dibutylester and is mixed;
⑶ rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times;
⑷ mixing even sizing material room temperature park 24 hours stand-by;
Products production
⑴ park on the rear sizing material rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewinds 2 times;
⑵ sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
⑶ opening mold after sulfuration is finished takes out product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210502960 CN102993510A (en) | 2012-11-30 | 2012-11-30 | High-oil-resistant rubber part for fuel system of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210502960 CN102993510A (en) | 2012-11-30 | 2012-11-30 | High-oil-resistant rubber part for fuel system of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102993510A true CN102993510A (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210502960 Withdrawn CN102993510A (en) | 2012-11-30 | 2012-11-30 | High-oil-resistant rubber part for fuel system of internal combustion engine |
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| CN (1) | CN102993510A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403150A (en) * | 2014-12-23 | 2015-03-11 | 青岛开世密封工业有限公司 | Ozone-aging-resistant nitrile-butadiene rubber composition and preparation method thereof |
-
2012
- 2012-11-30 CN CN 201210502960 patent/CN102993510A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403150A (en) * | 2014-12-23 | 2015-03-11 | 青岛开世密封工业有限公司 | Ozone-aging-resistant nitrile-butadiene rubber composition and preparation method thereof |
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Application publication date: 20130327 |