CN103102527B - Leather cup rubber material for brake of automobile and preparation method thereof - Google Patents
Leather cup rubber material for brake of automobile and preparation method thereof Download PDFInfo
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- CN103102527B CN103102527B CN201210530919.2A CN201210530919A CN103102527B CN 103102527 B CN103102527 B CN 103102527B CN 201210530919 A CN201210530919 A CN 201210530919A CN 103102527 B CN103102527 B CN 103102527B
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Abstract
The invention discloses a leather cup rubber material for a brake of an automobile. The leather cup rubber material is prepared from the following raw materials in parts by weight: 40-50 parts of nitrile rubber, 20-30 parts of chlorosulfonated polyethylene rubber, 10-30 parts of ethylene propylene terpolymer 5962 (LANXESS Deutschland), 10-15 parts of fluorine rubber, 3-5 parts of natural rubber, 30-40 parts of high abrasion furnace black N330, 15-20 parts of modified white carbon black, 3-4 parts of graphite, 8-10 parts of modified wood ash, 4-6 parts of vermiculite, 4-6 parts of quartz sand, 9-11 parts of modified iron tailing slag powder, 0.5-1 part of stearic acid, 0.5-1 part of sulfur, 0.2-0.4 part of accelerant DM, 0.3-0.6 part of accelerant BPP, 1-2 parts of stearic acid, 2-4 parts of zinc oxide, 0.2-0.4 part of ferrocene, 1-2 parts of lignite wax, 1-2 parts of antioxidant DSTP, 1-2 parts of anti-aging agent RD, 2-3 parts of phenyl triethoxysilane and 16-18 parts of acetyl triethyl citrate. The rubber material disclosed by the invention has excellent ozone resistance, excellent low temperature resistance and heat resistance and is large in operating temperature range and environment-friendly in process, so that the rubber material can be used for preparing various packing materials.
Description
Technical field
The present invention relates to synthetic rubber field, be specifically related to a kind of Leather cup rubber material for brake of automobile and preparation method thereof.
Background technology
Rubber cup mainly refers to the rubber seal being applied in and playing transmission of pressure and sealing function in car, Light-duty Vehicle, minibus, the brake fluid system of part bogie and clutch operating system, booster pump system.Rubber cup is also applied on household electrical appliance, as being used in the rubber cup on two-tub washing machine cylinder body, plays sealing function to cylinder body.Rubber cup a kind ofly in rubber item is widely used one of important rubber product of function.
The principal feature of rubber cup:
1) leather cup in master cylinder and wheel cylinder must have certain elasticity and compression set and wear resistance, to ensure that leather cup in use has the certain return ability and sealing property transmitting hydraulic pressure.2) at high temperature, (under 100 ~ 120 DEG C and low temperature (-30 ~ 50 DEG C), hydraulic pressure resistant medium is good, leather cup long period in braking sealing device contacts with braking fluid, therefore require that it has good anti swelling to braking fluid (synthesis liquid, mineral oil), do not allow, under high temperature, low temperature and static room temperature, seepage occurs.
Major ingredient when rubber cup is produced in prior art mostly is rubber paracril, paracril to have oil-proofness fabulous, wear resistance is higher, and thermotolerance is better, and bonding force is strong, but its lower temperature resistance is poor, ozone resistance is poor, electrical property is inferior, and elasticity is low, uses for a long time at low ambient temperatures, its sealing property can reduce greatly, needs to improve existing cup rubber material formula.
Summary of the invention
The invention provides a kind of Leather cup rubber material for brake of automobile and preparation method thereof, sizing material of the present invention has excellent high-low temperature resistant, oil resistant, solvent resistant and chemical resistance, simultaneously good mechanical property.
The present invention adopts following technical scheme:
A kind of Leather cup rubber material for brake of automobile, it is characterized in that, be made up of following raw materials in part by weight: paracril 40-50, chlorosulfonated polyethylene rubber 20-30, the bright Sheng of terpolymer EP rubber 5962(Germany) 10-30, viton 10-15, natural rubber 3-5, high abrasion furnace carbon black N330 30-40, modified white carbon black 15-20, graphite 3-4, modification tree ash 8-10, vermiculite 4-6, quartz sand 4-6, Modified Iron mine tailing ground-slag 9-11, stearic acid 0.5 ~ 1, sulphur 0.5 ~ 1, altax 0.2-0.4, accelerant B PP 0.3-0.6, stearic acid 1-2, zinc oxide 2-4, ferrocene 0.2-0.4, montanin wax 1-2, oxidation inhibitor DSTP1-2, anti-aging agent RD 1-2, phenyl triethoxysilane 2-3, acetyl triethyl citrate 16-18.
Described a kind of Leather cup rubber material for brake of automobile, it is characterized in that, be made up of following raw materials in part by weight: paracril 45, chlorosulfonated polyethylene rubber 25, the bright Sheng of terpolymer EP rubber 5962(Germany) 20, viton 12, natural rubber 4, high abrasion furnace carbon black N330 35, modified white carbon black 18, graphite 3.5, modification tree ash 9, vermiculite 5, quartz sand 5, Modified Iron mine tailing ground-slag 10, stearic acid 0.6, sulphur 0.7, altax 0.3, accelerant B PP 0.5, stearic acid 1.5, zinc oxide 3, ferrocene 0.3, montanin wax 1.5, oxidation inhibitor DSTP 1.5, anti-aging agent RD 1.5, phenyl triethoxysilane 2.5, acetyl triethyl citrate 17.
The preparation method of described a kind of Leather cup rubber material for brake of automobile, is characterized in that, comprise the following steps:
(1) preparation method of modification tree ash:
The sericite-tridymite-cristobalite of tree ash weight 1-2% is joined in tree ash and mixes, with 15-20% salt acid soak 1-2 hour, wash with water to neutrality, after oven dry, add the magnesium oxide of smooth, the 3-5% of lipid acid sorb of the trisodium phosphate of aluminate coupling agent DL-411, the 1-2% being equivalent to solid weight 0.5-1.0%, 1-2%, with the speed high-speed stirring of 1200-1500 rev/min, obtain dispersion liquid, dispersion liquid is dried, is ground into powder, obtains modification tree ash;
(2) preparation of Modified Iron mine tailing ground-slag:
By scaling loss 4-6 hour at iron tailings slag 900-1000 DEG C, then grind to form nanometer powder, then it is even to admix the molybdenumdisulphide, the sodium laurylsulfate of 1-2%, the 1-2% dimethyl silicone oil agitating that are equivalent to powder weight 1-2%, dries, grind to form nanometer powder, obtain Modified Iron mine tailing ground-slag;
(3) preparation of modified white carbon black:
By white carbon black scaling loss 2-3 hour at 400-450 DEG C, then grind to form nanometer powder, then admix the Xylo-Mucine of coupling agent Si-69,1-2% of being equivalent to powder weight 4-6%, 1-2% polyether modified silicon oil agitating is even, dry, grind to form nanometer powder, obtain the white carbon black of modification;
(4) phenyl triethoxysilane is got;
(5) by formula rate by modification tree ash, high abrasion furnace carbon black N330, input high-speed mixer, with the speed high-speed stirring of 1000-1200 rev/min, coupling agent phenyl triethoxysilane is sprayed onto in mixed fillers simultaneously, continue to stir 5-6 minute, discharging cooling is for subsequent use, obtains mixture;
(6) by paracril, chlorosulfonated polyethylene rubber, terpolymer EP rubber 5962(Germany bright Sheng), viton, natural rubber, Modified Iron mine tailing ground-slag, modified white carbon black, drop in Banbury mixer, plasticate at the temperature of 70-75 DEG C, after plasticating 14-16 minute, when temperature reaches 85-95 DEG C, start discharge, after discharge, park cooling 10-12 hour;
(7) by formula rate, above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add the compound of step (5) again, after mixing 2-3 minute, after adding the mixing 10-15 of other leftover materials minute in formula beyond sulphur removal agent and promotor class again, when temperature reaches 90-98 DEG C, start discharge, after discharge, park cooling 12-14 hour;
(8) above-mentioned mixing materials is dropped in mill, then vulcanizing agent, promotor class are added in rubber unvulcanizate, thin-pass 3-4 time, processing temperature≤60 DEG C of mill.
beneficial effect
The present invention is by paracril and other several compounding rubber, improve the over-all properties of rubber unvulcanizate, by tree ash, white carbon black carries out modification respectively, tail Iron-ore Slag is carried out modification simultaneously, then mix with carbon black, use coupling agent treatment again, use as strengthening agent, improve the dispersiveness of filler in rubber unvulcanizate, improve filler addition, reduce material cost, the ozone resistance of the rubber unvulcanizate of gained and resistance to low temperature, resistance toheat improves greatly, than paracril itself, there is wider use temperature scope, better performance of technical process, lower starting material and production cost, meet the performance requriements of production domesticization component.
Embodiment
Produce a kind of Leather cup rubber material for brake of automobile,
First following raw materials (kg) is taken by recipe requirements: paracril 45, chlorosulfonated polyethylene rubber 25, the bright Sheng of terpolymer EP rubber 5962(Germany) 20, viton 12, natural rubber 4, high abrasion furnace carbon black N330 35, modified white carbon black 18, graphite 3.5, modification tree ash 9, vermiculite 5, quartz sand 5, Modified Iron mine tailing ground-slag 10, stearic acid 0.6, sulphur 0.7, altax 0.3, accelerant B PP 0.5, stearic acid 1.5, zinc oxide 3, ferrocene 0.3, montanin wax 1.5, oxidation inhibitor DSTP 1.5, anti-aging agent RD 1.5, phenyl triethoxysilane 2.5, acetyl triethyl citrate 17.
Preparation method comprises the following steps:
(1) preparation method of modification tree ash:
The sericite-tridymite-cristobalite of tree ash weight 1-2% is joined in tree ash and mixes, with 15-20% salt acid soak 1-2 hour, wash with water to neutrality, after oven dry, the trisodium phosphate, the 1-2% lipid acid sorb that add aluminate coupling agent DL-411, the 1-2% being equivalent to solid weight 0.5-1.0% are smooth, 3-5% magnesium oxide, with the speed high-speed stirring of 1200-1500 rev/min, obtain dispersion liquid, dispersion liquid is dried, is ground into powder, obtains modification tree ash;
(2) preparation of Modified Iron mine tailing ground-slag:
By scaling loss 4-6 hour at iron tailings slag 900-1000 DEG C, then grind to form nanometer powder, then it is even to admix the molybdenumdisulphide, the sodium laurylsulfate of 1-2%, the 1-2% dimethyl silicone oil agitating that are equivalent to powder weight 1-2%, dries, grind to form nanometer powder, obtain Modified Iron mine tailing ground-slag;
(3) preparation of modified white carbon black:
By white carbon black scaling loss 2-3 hour at 400-450 DEG C, then grind to form nanometer powder, then admix the Xylo-Mucine of coupling agent Si-69,1-2% of being equivalent to powder weight 4-6%, 1-2% polyether modified silicon oil agitating is even, dry, grind to form nanometer powder, obtain the white carbon black of modification;
(4) phenyl triethoxysilane is got;
(5) by formula rate by modification tree ash, high abrasion furnace carbon black N330, input high-speed mixer, with the speed high-speed stirring of 1000-1200 rev/min, coupling agent phenyl triethoxysilane is sprayed onto in mixed fillers simultaneously, continue to stir 5-6 minute, discharging cooling is for subsequent use, obtains mixture;
(6) by paracril, chlorosulfonated polyethylene rubber, terpolymer EP rubber 5962(Germany bright Sheng), viton, natural rubber, Modified Iron mine tailing ground-slag, modified white carbon black, drop in Banbury mixer, plasticate at the temperature of 70-75 DEG C, after plasticating 14-16 minute, when temperature reaches 85-95 DEG C, start discharge, after discharge, park cooling 10-12 hour;
(7) by formula rate, above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add the compound of step (5) again, after mixing 2-3 minute, after adding the mixing 10-15 of other leftover materials minute in formula beyond sulphur removal agent and promotor class again, when temperature reaches 90-98 DEG C, start discharge, after discharge, park cooling 12-14 hour;
(8) above-mentioned mixing materials is dropped in mill, then vulcanizing agent, promotor class are added in rubber unvulcanizate, thin-pass 3-4 time, processing temperature≤60 DEG C of mill.
experimental data
Make sizing material by the formula for raw stock of embodiment and carry out Performance Detection, detected result is as follows:
Tensile strength is 23Mpa, and fracture elongation rate is 480%, and tear strength is 32kN/m, and after FAM-A oil (23 DEG C × 48h) soaks, its tensile strength is 12MPa, ozone resistance: 500pphm × 40 DEG C × 70h, and stretch 20% flawless; Put 48h sizing material at the low temperature of-40 DEG C and do not occur seminess.
Claims (2)
1. a Leather cup rubber material for brake of automobile, it is characterized in that, be made up of following raw materials in part by weight: paracril 40-50, chlorosulfonated polyethylene rubber 20-30, terpolymer EP rubber 5962 10-30, viton 10-15, natural rubber 3-5, high abrasion furnace carbon black N330 30-40, modified white carbon black 15-20, graphite 3-4, modification tree ash 8-10, vermiculite 4-6, quartz sand 4-6, Modified Iron mine tailing ground-slag 9-11, stearic acid 0.5 ~ 1, sulphur 0.5 ~ 1, altax 0.2-0.4, accelerant B PP 0.3-0.6, stearic acid 1-2, zinc oxide 2-4, ferrocene 0.2-0.4, montanin wax 1-2, oxidation inhibitor DSTP 1-2, anti-aging agent RD 1-2, phenyl triethoxysilane 2-3, acetyl triethyl citrate 16-18,
The preparation method of described Leather cup rubber material for brake of automobile, comprises the following steps:
(1) preparation method of modification tree ash: the sericite-tridymite-cristobalite of tree ash weight 1-2% is joined in tree ash and mixes, use 15-20% salt acid soak 1-2 hour again, wash with water to neutrality, after oven dry, add the magnesium oxide of smooth, the 3-5% of lipid acid sorb of the trisodium phosphate of aluminate coupling agent DL-411, the 1-2% being equivalent to solid weight 0.5-1.0%, 1-2%, with the speed high-speed stirring of 1200-1500 rev/min, obtain dispersion liquid, dispersion liquid is dried, is ground into powder, obtains modification tree ash;
(2) preparation of Modified Iron mine tailing ground-slag: by scaling loss 4-6 hour at iron tailings slag 900-1000 DEG C, then nanometer powder is ground to form, admix the molybdenumdisulphide, the sodium laurylsulfate of 1-2%, the 1-2% dimethyl silicone oil agitating that are equivalent to powder weight 1-2% more even, dry, grind to form nanometer powder, obtain Modified Iron mine tailing ground-slag;
(3) preparation of modified white carbon black: by white carbon black scaling loss 2-3 hour at 400-450 DEG C, then nanometer powder is ground to form, Xylo-Mucine, the 1-2% polyether modified silicon oil agitating of admixing coupling agent Si-69, the 1-2% being equivalent to powder weight 4-6% are again even, dry, grind to form nanometer powder, obtain the white carbon black of modification;
(4) phenyl triethoxysilane is got;
(5) by formula rate by modification tree ash, high abrasion furnace carbon black N330, input high-speed mixer, with the speed high-speed stirring of 1000-1200 rev/min, coupling agent phenyl triethoxysilane is sprayed onto in mixed fillers simultaneously, continue to stir 5-6 minute, discharging cooling is for subsequent use, obtains mixture;
(6) by paracril, chlorosulfonated polyethylene rubber, terpolymer EP rubber 5962, viton, natural rubber, Modified Iron mine tailing ground-slag, modified white carbon black, drop in Banbury mixer, plasticate at the temperature of 70-75 DEG C, after plasticating 14-16 minute, when temperature reaches 85-95 DEG C, start discharge, after discharge, park cooling 10-12 hour;
(7) by formula rate, above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add the mixture of step (5) again, after mixing 2-3 minute, after adding the mixing 10-15 of other leftover materials minute in formula beyond sulphur removal agent and promotor class again, when temperature reaches 90-98 DEG C, start discharge, after discharge, park cooling 12-14 hour;
(8) above-mentioned mixing materials is dropped in mill, then vulcanizing agent, promotor class are added in rubber unvulcanizate, thin-pass 3-4 time, processing temperature≤60 DEG C of mill.
2. a kind of Leather cup rubber material for brake of automobile according to claim 1, it is characterized in that, be made up of following raw materials in part by weight: paracril 45, chlorosulfonated polyethylene rubber 25, terpolymer EP rubber 5,962 20, viton 12, natural rubber 4, high abrasion furnace carbon black N330 35, modified white carbon black 18, graphite 3.5, modification tree ash 9, vermiculite 5, quartz sand 5, Modified Iron mine tailing ground-slag 10, stearic acid 0.6, sulphur 0.7, altax 0.3, accelerant B PP 0.5, stearic acid 1.5, zinc oxide 3, ferrocene 0.3, montanin wax 1.5, oxidation inhibitor DSTP 1.5, anti-aging agent RD 1.5, phenyl triethoxysilane 2.5, acetyl triethyl citrate 17.
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| CN201210530919.2A CN103102527B (en) | 2012-12-11 | 2012-12-11 | Leather cup rubber material for brake of automobile and preparation method thereof |
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| CN201210530919.2A CN103102527B (en) | 2012-12-11 | 2012-12-11 | Leather cup rubber material for brake of automobile and preparation method thereof |
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| CN103724725A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Automobile brake rubber cup material |
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| CN106117666A (en) * | 2016-08-09 | 2016-11-16 | 安徽微威胶件集团有限公司 | The rubber cup of master cylinder and manufacturing process thereof |
| CN106279822A (en) * | 2016-08-09 | 2017-01-04 | 安徽微威胶件集团有限公司 | The rubber cup of master cylinder and manufacturing process thereof |
| CN107560370A (en) * | 2017-07-31 | 2018-01-09 | 兰溪市捷喜食品加工技术有限公司 | A kind of stirring-type high-voltage high-speed drying machine |
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