CN103214702A - Vacuum booster diaphragm - Google Patents
Vacuum booster diaphragm Download PDFInfo
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- CN103214702A CN103214702A CN2013101929542A CN201310192954A CN103214702A CN 103214702 A CN103214702 A CN 103214702A CN 2013101929542 A CN2013101929542 A CN 2013101929542A CN 201310192954 A CN201310192954 A CN 201310192954A CN 103214702 A CN103214702 A CN 103214702A
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- vacuum booster
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Abstract
The invention relates to a vacuum booster diaphragm which solves the problems that the existing vacuum booster diaphragm can not be suitable for a high and cold area and is instable in quality and short in service life. The vacuum booster diaphragm is prepared from the following raw materials in parts by weight: 15-25 parts of crude rubber, 10-20 parts of fillers, 3-5 parts of plasticizing agents, 0.8-1.5 parts of activating agents, 0.5-1.0 part of anti-aging agents, 0.1-0.3 part of mould release agents, 0.5-0.8 part of accelerating agents and 0.3-0.45 part of vulcanizing agents.
Description
Technical field:
The present invention is relevant with the vacuum booster rubber accessory of brake system of car.
Background technology:
The low temperature brittleness temperature of the vacuum booster rubber diaphragm of the brake system of car that has the sixth of the twelve Earthly Branches is-40 ℃, can not be applicable to extremely frigid zones, the quality instability, and work-ing life is short.
Summary of the invention:
The purpose of this invention is to provide a kind of extremely frigid zones that is applicable to, steady quality, the vacuum booster diaphragm of long service life.
The present invention is achieved in that
The vacuum booster diaphragm is made by the raw material of following mass parts:
Rubber 15-25
Filler 10-20
Softening agent 3-5
Promoting agent 0.8-1.5
Anti-aging agent 0.5-1.0
Releasing agent 0.1-0.3
Promotor 0.5-0.8
Vulcanizing agent 0.3-0.45
Described filler is a spray carbon black, high wear-resistant carbon black, fast extrude in the carbon black two kinds, softening agent is sebacic acid dibutyl ester DOS, promoting agent is zinc oxide and stearic acid SA, anti-aging agent is N-phenyl-β naphthylamines D, N-different third-N-phenyl is to two diamines 4010NA, octylated diphenylamine ODA, N, N di tolyl p phenylenediamine DTPD, in the microcrystalline wax two or three kind, promotor is N-cyclohexyl-Z-benzothiazole sulphenamide CBS, tetramethylthiuram monosulfide TMTM, among the tetramethyl-thiuram disulfide TMTD two or three kind, vulcanizing agent is dithio morpholine DTDM, sulphur S-80.
The vacuum booster diaphragm is made by the raw material of following mass parts:
Paracril 20
Spray carbon black 4
High wear-resistant carbon black 9
Sebacic acid dibutyl ester DOS 4
Zinc oxide 1
Stearic acid SA 0.2
N-phenyl-β naphthylamines D 0.3
N-different third-N-phenyl is to two diamines 4010NA 0.26
Releasing agent 0.2
N-cyclohexyl-Z-benzothiazole sulphenamide CBS 0.34
Tetramethylthiuram monosulfide TMTM 0.3
Dithio morpholine DTDM 0.36
Sulphur S-80 0.04.
Anti-aging agent also has microcrystalline wax: 0.2.
Vacuum booster preparing diaphragm method is as follows:
One, paracril 18# plasticates: use mill, and roll spacing 0.5-0.8mm, the time 12min that plasticates plasticates for one section, and the paracril of plasticating enters next process after parking 16-24h,
Two, batching: electronic scale is pressed the production formula operation,
Three, mixing: rubber kneading machine, open banburying chamber and drop into plasticate paracril 18#, promoting agent zinc oxide ZnO, stearic acid SA, anti-aging agent N-phenyl-β-naphthylamines D, N-different third-N-diphenyl-para-phenylene diamine 4010NA, microcrystalline wax, rubber inner pattern releasing agent applicable IM-1, the 2min. that plasticates adds spray carbon black, high wear-resistant carbon black N330, softening agent sebacic acid dibutyl ester DOS each half, mix 3min, add remaining spray carbon black, high wear-resistant carbon black N330, softening agent sebacic acid dibutyl ester DOS again, mix 3min.120 ℃-140 ℃ of rubber kneading machine temperature go out blend glue stuff, park 24h,
Four, at first blend glue stuff is used the mill heat refining, load onto 40 order filtering nets with forcing machine then and filter blend glue stuff impurity, blend glue stuff be will filter at last and accelerant N-cyclohexyl Z-benzothiazole sulphenamide CBS, tetramethylthiuram monosulfide: TMTM, vulcanizing agent dithio morpholine DTDM, sulphur S-80 added with milling machine, 50 ℃-90 ℃ of rubber kneading machine temperature, time 3.5min discharging, discharging thins sheet with mill, roll spacing 0.3-0.5mm, 40 ℃-60 ℃ of temperature, time 3min, discharging is parked, and gets test piece and do physical property measurement from park material
Five, the sizing material physical property measurement, test cure conditions with vulkameter, vulkameter is provided with: 178 ℃ of temperature, time 20min, the test piece cure conditions is as the criterion with the vulkameter test result, the test piece of vulcanizer sulfuration test rerum natura is cut out the test test piece with sheet-punching machine, with sclerometer test test piece hardness, with puller system test test piece tensile strength, elongation, with graduated scale test test piece setafter break, cure conditions: 178 ℃ of temperature, time 330s, physical index standard: shore hardness 65 ± 5A, tensile strength 12.5mps, elongation 300%, setafter break value 10mm, the test piece physical index is all qualified, to park material and drop into next procedure
Six, with the qualified material of parking of mill heat refining physical property measurement, 40 ℃-60 ℃ of mill roll spacing 3-6mm, temperature, the heat refining material is sent into the rubber preform machine, makes vacuum booster diaphragm stock,
Seven, vacuum booster diaphragm stock is sent into the dull and stereotyped vulcanizer of releasing, cure conditions: 178 ℃ of temperature, time 390s, pressure 18mpa, automatic vent 3 times gets finished product.
The present invention changes DOP into DOS, promotes the low temperature winter hardiness of rubber diaphragm greatly ,-50 ℃ of energy works better.Be applicable to extremely frigid zones.The present invention strengthens the deal of 4010NA, CBS, DTDM, and the deal that reduces sulphur S-80 improves the high thermal resistance of rubber diaphragm, at 100 ℃ of process 72h, and can works better.Preparation technology of the present invention has improved the quality and the work-ing life of rubber diaphragm, and particularly curing time reduces the detrimentally affect of owing sulphur and over cure.
Embodiment:
The present invention fills a prescription as follows: kg
Paracril 20
Spray carbon black 4
High wear-resistant carbon black 9
Sebacic acid dibutyl ester DOS 4
Zinc oxide 1
Stearic acid SA 0.2
N-phenyl-β naphthylamines D 0.3
N-different third-N-phenyl is to two diamines 4010NA 0.26
Microcrystalline wax: 0.2
Releasing agent 0.2
N-cyclohexyl-Z-benzothiazole sulphenamide CBS 0.34
Tetramethylthiuram monosulfide TMTM 0.3
Dithio morpholine DTDM 0.36
Sulphur S-80 0.04.
Preparation method of the present invention is as follows:
One, paracril 18# plasticates: use mill, and roll spacing 0.5-0.8mm, the time 12min that plasticates plasticates for one section, and the paracril of plasticating enters next process after parking 16-24h,
Two, batching: electronic scale is pressed the production formula operation,
Three, mixing: rubber kneading machine, open banburying chamber and drop into the paracril 18# that plasticates, promoting agent zinc oxide ZnO, stearic acid SA, anti-aging agent N-phenyl-β-naphthylamines D, N-different third-N-diphenyl-para-phenylene diamine 4010NA, microcrystalline wax, releasing agent rubber inner pattern releasing agent applicable IM-1, the 2min. that plasticates adds spray carbon black, high wear-resistant carbon black N330, softening agent sebacic acid dibutyl ester DOS each half mixes 3min, add remaining spray carbon black again, high wear-resistant carbon black N330,120 ℃-140 ℃ of softening agent sebacic acid dibutyl ester DOS mixing 3min. rubber kneading machine temperature go out blend glue stuff, park 24h
Four, at first blend glue stuff is used the mill heat refining, load onto 40 order filtering nets with forcing machine then and filter blend glue stuff impurity, to filter blend glue stuff at last and add accelerant N-cyclohexyl Z-benzothiazole sulphenamide CBS with milling machine, tetramethylthiuram monosulfide: TMTM, vulcanizing agent dithio morpholine DTDM, sulphur S-80,50 ℃-90 ℃ of rubber kneading machine temperature, time 3.5min discharging, discharging thins sheet with mill, roll spacing 0.3-0.5mm, 40 ℃-60 ℃ of temperature, time 3min, discharging is parked, from park material, get test piece and do physical property measurement
Five, the sizing material physical property measurement, test cure conditions with vulkameter, vulkameter is provided with: 178 ℃ of temperature, time 20min, the test piece cure conditions is as the criterion with the vulkameter test result, the test piece of vulcanizer sulfuration test rerum natura is cut out the test test piece with sheet-punching machine, with sclerometer test test piece hardness, with puller system test test piece tensile strength, elongation, with graduated scale test test piece setafter break, cure conditions: 178 ℃ of temperature, time 330s, physical index standard: shore hardness 65 ± 5A, tensile strength 12.5mps, elongation 300%, setafter break value 10mm, the test piece physical index is all qualified, to park material and drop into next procedure
Six, with the qualified material of parking of mill heat refining physical property measurement, 40 ℃-60 ℃ of mill roll spacing 3-6mm, temperature, the heat refining material is sent into the rubber preform machine, makes vacuum booster diaphragm stock,
Seven, vacuum booster diaphragm stock is sent into the dull and stereotyped vulcanizer of releasing, cure conditions: 178 ℃ of temperature, time 390s, pressure 18mpa, automatic vent 3 times gets finished product.
Claims (4)
1. vacuum booster diaphragm is characterized in that being made by the raw material of following mass parts:
Rubber 15-25
Filler 10-20
Softening agent 3-5
Promoting agent 0.8-1.5
Anti-aging agent 0.5-1.0
Releasing agent 0.1-0.3
Promotor 0.5-0.8
Vulcanizing agent 0.3-0.45,
Described filler is a spray carbon black, high wear-resistant carbon black, fast extrude in the carbon black two kinds, softening agent is sebacic acid dibutyl ester DOS, promoting agent is zinc oxide and stearic acid SA, anti-aging agent is N-phenyl-β naphthylamines D, N-different third-N-phenyl is to two diamines 4010NA, octylated diphenylamine ODA, N, N di tolyl p phenylenediamine DTPD, in the microcrystalline wax two or three kind, promotor is N-cyclohexyl-Z-benzothiazole sulphenamide CBS, tetramethylthiuram monosulfide TMTM, among the tetramethyl-thiuram disulfide TMTD two or three kind, vulcanizing agent is dithio morpholine DTDM, sulphur S-80.
2. vacuum booster diaphragm according to claim 1 is characterized in that being made by the raw material of following mass parts:
Paracril 20
Spray carbon black 4
High wear-resistant carbon black 9
Sebacic acid dibutyl ester DOS 4
Zinc oxide 1
Stearic acid SA 0.2
N-phenyl-β naphthylamines D 0.3
N-different third-N-phenyl is to two diamines 4010NA 0.26
Releasing agent 0.2
N-cyclohexyl-Z-benzothiazole sulphenamide CBS 0.34
Tetramethylthiuram monosulfide TMTM 0.3
Dithio morpholine DTDM 0.36
Sulphur S-80 0.04.
3. vacuum booster diaphragm according to claim 2 is characterized in that anti-aging agent also has microcrystalline wax: 0.2.
4. vacuum booster diaphragm according to claim 3 is characterized in that its preparation method is as follows:
One, paracril 18# plasticates: use mill, and roll spacing 0.5-0.8mm, the time 12min that plasticates plasticates for one section, and the paracril of plasticating enters next process after parking 16-24h,
Two, batching: electronic scale is pressed the production formula operation,
Three, mixing: rubber kneading machine, open banburying chamber and drop into the paracril 18# that plasticates, promoting agent zinc oxide ZnO, stearic acid SA, anti-aging agent N-phenyl-β-naphthylamines D, N-different third-N-diphenyl-para-phenylene diamine 4010NA, microcrystalline wax, rubber inner pattern releasing agent applicable IM-1, the 2min. that plasticates adds spray carbon black, high wear-resistant carbon black N330, softening agent sebacic acid dibutyl ester DOS each half, mix 3min, add remaining spray carbon black again, high wear-resistant carbon black N330, softening agent sebacic acid dibutyl ester DOS, mix 120 ℃-140 ℃ of 3min. rubber kneading machine temperature, go out blend glue stuff, park 24h
Four, at first blend glue stuff is used the mill heat refining, load onto 40 order filtering nets with forcing machine then and filter blend glue stuff impurity, blend glue stuff be will filter at last and accelerant N-cyclohexyl Z-benzothiazole sulphenamide CBS, tetramethylthiuram monosulfide: TMTM, vulcanizing agent dithio morpholine DTDM, sulphur S-80 added with milling machine, 50 ℃-90 ℃ of rubber kneading machine temperature, time 3.5min discharging, discharging thins sheet with mill, mill roll spacing 0.3-0.5mm, 40 ℃-60 ℃ of temperature, time 3min, discharging is parked, and gets test piece and do physical property measurement from park material
Five, the sizing material physical property measurement, test cure conditions with vulkameter, vulkameter is provided with data: 178 ℃ of temperature, time 20min, the test piece cure conditions is as the criterion with the vulkameter test result, with the test piece of vulcanizer sulfuration test rerum natura, cut out the test test piece with sheet-punching machine, with sclerometer test test piece hardness, with puller system test test piece tensile strength, elongation, with graduated scale test test piece setafter break, cure conditions: 178 ℃ of temperature, time 330s, physical index standard: shore hardness 65 ± 5A, tensile strength 12.5mps, elongation 300%, setafter break value 10mm, the test piece physical index is all qualified, to park material and drop into next procedure
Six, park material with mill heat refining test passes, 40 ℃-60 ℃ of mill roll spacing 3-6mm, temperature, the heat refining material is sent into the rubber preform machine, makes vacuum booster diaphragm stock,
Seven, vacuum booster diaphragm stock is sent into the dull and stereotyped vulcanizer of releasing, cure conditions: 178 ℃ of temperature, time 390s, pressure 18mpa, automatic vent 3 times gets finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310192954.2A CN103214702B (en) | 2013-05-23 | 2013-05-23 | Vacuum booster diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310192954.2A CN103214702B (en) | 2013-05-23 | 2013-05-23 | Vacuum booster diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103214702A true CN103214702A (en) | 2013-07-24 |
| CN103214702B CN103214702B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310192954.2A Expired - Fee Related CN103214702B (en) | 2013-05-23 | 2013-05-23 | Vacuum booster diaphragm |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199164A (en) * | 2015-08-24 | 2015-12-30 | 天津中和胶业股份有限公司 | Rubber diaphragm for automobile vacuum booster |
| CN109627521A (en) * | 2018-12-27 | 2019-04-16 | 贵州精忠橡塑实业有限公司 | A kind of self-lubricating rubber detent gas chamber diaphragm and preparation method thereof |
| CN117700850A (en) * | 2023-12-14 | 2024-03-15 | 万向钱潮股份公司 | Light-color ultralow-temperature nitrile rubber compound and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928415A (en) * | 2010-08-24 | 2010-12-29 | 镇江铁科橡塑制品有限公司 | Rubber diaphragm material for vehicle brake system |
| CN102174230A (en) * | 2011-02-25 | 2011-09-07 | 宁波市巨龙橡塑机电有限公司 | Preparation method of flex-resistant high-airtight rubber material of vacuum diaphragm |
-
2013
- 2013-05-23 CN CN201310192954.2A patent/CN103214702B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928415A (en) * | 2010-08-24 | 2010-12-29 | 镇江铁科橡塑制品有限公司 | Rubber diaphragm material for vehicle brake system |
| CN102174230A (en) * | 2011-02-25 | 2011-09-07 | 宁波市巨龙橡塑机电有限公司 | Preparation method of flex-resistant high-airtight rubber material of vacuum diaphragm |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199164A (en) * | 2015-08-24 | 2015-12-30 | 天津中和胶业股份有限公司 | Rubber diaphragm for automobile vacuum booster |
| CN109627521A (en) * | 2018-12-27 | 2019-04-16 | 贵州精忠橡塑实业有限公司 | A kind of self-lubricating rubber detent gas chamber diaphragm and preparation method thereof |
| CN117700850A (en) * | 2023-12-14 | 2024-03-15 | 万向钱潮股份公司 | Light-color ultralow-temperature nitrile rubber compound and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN103214702B (en) | 2015-03-04 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Granted publication date: 20150304 Termination date: 20170523 |