CN103408853A - High-strength tear-resistant rubber sealing gasket and preparation method thereof - Google Patents
High-strength tear-resistant rubber sealing gasket and preparation method thereof Download PDFInfo
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- CN103408853A CN103408853A CN2013102728343A CN201310272834A CN103408853A CN 103408853 A CN103408853 A CN 103408853A CN 2013102728343 A CN2013102728343 A CN 2013102728343A CN 201310272834 A CN201310272834 A CN 201310272834A CN 103408853 A CN103408853 A CN 103408853A
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Abstract
The invention discloses a high-strength tear-resistant rubber sealing gasket and a preparation method thereof. The high-strength tear-resistant rubber sealing gasket is prepared from raw materials, namely chlorosulfonated polyethylene rubber, silicon rubber, bisphenol A type polycarbonate, cashew nut shell oil modified phenolic resin, hexamethylenetetramine, dicumyl peroxide, spray carbon black, modified nano ceramics, silicon-magnesium-calcium crystal whiskers, nanometer wollastonite, zinc methacrylate, magnesium oxide, stearic acid, vinyl silicone oil, chlorinated paraffin 4-7, triethyl citrate and the like. According to the high-strength tear-resistant rubber sealing gasket and the preparation method thereof disclosed by the invention, the organic composite modification is carried out by adopting multiple nano ceramic powder, namely nanometer aluminum nitride, nanometer titanium carbide and nanometer zirconium boride, so that the compatibility of the nano ceramic powder and rubber can be enhanced; the modified nano ceramic powder, the silicon-magnesium-calcium crystal whiskers, the nanometer wollastonite and the like are filled in a modified rubber material together to prepare the sealing gasket, so that the mechanical strength, impact resistance and especially tear resistance of the sealing gasket can be remarkably improved; the heat resistance, abrasion resistance and the like of the rubber can also be improved.
Description
Technical field
The present invention relates to a kind of gasket and preparation method thereof, be specifically related to a kind of high-strength tear-resistant and split rubber gasket and preparation method thereof.
Background technology
Along with the fast development of modern hydraulic transmission technology, the sealing problem of hydraulic efficiency plant is more and more outstanding.Aspect and the unconformable phenomenons of equipment service requirements such as physical strength, tear strength, work-ing life have appearred in existing hydraulic efficiency system sealing material in the use to some extent, can not meet real needs far away, therefore be badly in need of a kind of high-strength tear-resistant of exploitation and split rubber gasket.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of high-strength tear-resistant to split rubber gasket and preparation method thereof.
The technical solution used in the present invention is as follows:
A kind of high-strength tear-resistant splits rubber gasket, raw material by following weight part is made: chlorosulfonated polyethylene rubber (TS-830) 40-50, silicon rubber (SP-352) 20-30, bisphenol A polycarbonate 10-15, cashew nut oil modified alkyd resin 8-12, hexamethylenetetramine 1-2, dicumyl peroxide 2-3, spray carbon black 15-20, modified Nano pottery 10-15, silicon magnesium calcium pyroborate 5-10, nano-silicon lime stone 4-8, zinc methacrylate 2-3, magnesium oxide 1-2, stearic acid 2-3, vinyl silicone oil 3-6, clorafin 4-7, triethyl citrate 5-8, vulcanizing agent TRA 2-3, calcium stearate 1-2, Zinc Stearate 2-3, promotor TT 1-2, accelerant N A-22 1-2, antioxidant NBC 2-3, anti-aging agent RD 1-2.
Described modified grammite preparation method is as follows:
A. getting dried wollastonite powder is broken to below 15 μ m, drop in Scattered Kettle, add wollastonite amount 2-4 deionized water doubly, under stirring, add again the sodium polyacrylate of 2-3%, the tricalcium phosphate of 1-2%, the Coconut Fatty Acid Monoethanolamide of 2-3%, the rice hull ash of 1-2%, the organobentonite of 3-4%, 2000-3000rpm high speed dispersion 20-30min, through sand mill, grind to form slurry, stand-by;
B. getting the Nano silica sol that is equivalent to wollastonite amount 20-30% adds in stirrer, under stirring, add tetra isopropyl two (the dioctyl phosphorous acid acyloxy) titanic acid ester of 0.5-1%, the nano-sized carbon of 3-4%, the nano aluminum nitride of 1-2%, the Praseodymium trioxide of 2-3% and the sodium laurylsulfate of 1-2%, 50-60 ℃ of dispersed with stirring 30-40min, cooling rear stand-by;
C. above-mentioned pretreated silicon sol is mixed with the slurry that step (a) makes, add the benzene emulsion of 5-8%, the propylene glycol phenylate of 1-2% and the Lauryl Alcohol ester of 2-3%, stir 30-50min, filter, dry, pulverize porphyrize, cross the 200-300 mesh sieve and get final product.
A kind of high-strength tear-resistant splits the preparation method of rubber gasket, comprises the following steps; Get silicon rubber, bisphenol A polycarbonate, modified Nano pottery, magnesium oxide, cashew nut oil modified alkyd resin, hexamethylenetetramine in mixing roll under 45-55 ℃ mixing 5-8min, discharge, after placing 24-36h, with chlorosulfonated polyethylene rubber, silicon magnesium calcium pyroborate, nano-silicon lime stone, zinc methacrylate, vinyl silicone oil, add in mixing roll in proportion mixing 6-12min under 40-50 ℃; The sizing material mixed is added in mill, then add all the other raw materials under 80-90 ℃, to refine glue 4-7min, 5-8 rear lower sheet of thin-pass; By film vulcanizing press compression moulding under 15-20MPa pressure, then carry out twice sulfidizing, the curing temperature of primary vulcanization is controlled at 160-180 ℃, curing time is 5-10min, vulcanize for the second time in baking oven and carry out, curing temperature is 220-230 ℃, and curing time is 2-3h, deburring, check, packing, get product.
Beneficial effect of the present invention:
The present invention adopts nano aluminum nitride, nano titanium carbide, the multiple nano ceramics of nanometer zirconium boride 99.5004323A8ure end to carry out the organic composite modification, can improve the consistency of itself and rubber, nano ceramics end after modification prepares gasket with common filling-modified elastomeric materials such as silicon magnesium calcium pyroborate, nano-silicon lime stones, can obviously improve physical strength, the shock resistance of gasket, tear resistance is particularly outstanding; Also can improve the performance such as thermotolerance, wear resistance of rubber.
The gasket sealing property excellence that the present invention produces, tear strength is high, high impact-resistant; Also have good erosion resistance, chemical stability, compression resilience, high thermal resistance, oil-proofness, the advantage such as wear-resisting are durable in use.
Embodiment
A kind of high-strength tear-resistant splits rubber gasket, raw material by following weight (kg) is made: chlorosulfonated polyethylene rubber (TS-830) 50, silicon rubber (SP-352) 25, bisphenol A polycarbonate 15, cashew nut oil modified alkyd resin 10, hexamethylenetetramine 1.5, dicumyl peroxide 2, spray carbon black 18, modified Nano pottery 12, silicon magnesium calcium pyroborate 8, nano-silicon lime stone 6, zinc methacrylate 2, magnesium oxide 1.5, stearic acid 2, vinyl silicone oil 4, clorafin 6, triethyl citrate 7, vulcanizing agent TRA 2, calcium stearate 1, Zinc Stearate 2, promotor TT 2, accelerant N A-22 1, antioxidant NBC 3, anti-aging agent RD 1.
Described modified grammite preparation method is as follows:
A. getting dried wollastonite powder is broken to below 15 μ m, drop in Scattered Kettle, the deionized water that adds 3 times of wollastonite amounts, under stirring, add again 2.5% sodium polyacrylate, 1.5% tricalcium phosphate, 2% Coconut Fatty Acid Monoethanolamide, 1% rice hull ash, 3% organobentonite, 3000rpm high speed dispersion 20min, through sand mill, grind to form slurry, stand-by;
B. getting the Nano silica sol that is equivalent to wollastonite amount 24% adds in stirrer, under stirring, add 0.7% tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester, 3% nano-sized carbon, 1.5% nano aluminum nitride, 3% Praseodymium trioxide and 1.5% sodium laurylsulfate, 55 ℃ of dispersed with stirring 40min, cooling rear stand-by;
C. above-mentioned pretreated silicon sol is mixed with the slurry that step (a) makes, add 6% benzene emulsion, 1.5% propylene glycol phenylate and 2% Lauryl Alcohol ester, stir 40min, filter, dry, pulverize porphyrize, cross 200 mesh sieves and get final product.
A kind of high-strength tear-resistant splits the preparation method of rubber gasket, comprises the following steps; Get silicon rubber, bisphenol A polycarbonate, modified Nano pottery, magnesium oxide, cashew nut oil modified alkyd resin, hexamethylenetetramine in mixing roll under 50 ℃ mixing 6min, discharge, after placing 36h, with chlorosulfonated polyethylene rubber, silicon magnesium calcium pyroborate, nano-silicon lime stone, zinc methacrylate, vinyl silicone oil, add in mixing roll in proportion mixing 10min under 40 ℃; The sizing material mixed is added in mill, then add all the other raw materials under 85 ℃, to refine glue 6min, thin-pass is descended sheet 6 times afterwards; By film vulcanizing press compression moulding under 16MPa pressure, then carry out twice sulfidizing, the curing temperature of primary vulcanization is 170 ℃, curing time is 8min, vulcanize for the second time in baking oven and carry out, curing temperature is 225 ℃, and curing time is 3h, deburring, check, packing, get product.
Gasket Performance Detection of the present invention is as follows:
Claims (2)
1. a high-strength tear-resistant splits rubber gasket, it is characterized in that, raw material by following weight part is made: chlorosulfonated polyethylene rubber (TS-830) 40-50, silicon rubber (SP-352) 20-30, bisphenol A polycarbonate 10-15, cashew nut oil modified alkyd resin 8-12, hexamethylenetetramine 1-2, dicumyl peroxide 2-3, spray carbon black 15-20, modified Nano pottery 10-15, silicon magnesium calcium pyroborate 5-10, nano-silicon lime stone 4-8, zinc methacrylate 2-3, magnesium oxide 1-2, stearic acid 2-3, vinyl silicone oil 3-6, clorafin 4-7, triethyl citrate 5-8, vulcanizing agent TRA 2-3, calcium stearate 1-2, Zinc Stearate 2-3, promotor TT 1-2, accelerant N A-22 1-2, antioxidant NBC 2-3, anti-aging agent RD 1-2,
Described modified grammite preparation method is as follows:
A. getting dried wollastonite powder is broken to below 15 μ m, drop in Scattered Kettle, add wollastonite amount 2-4 deionized water doubly, under stirring, add again the sodium polyacrylate of 2-3%, the tricalcium phosphate of 1-2%, the Coconut Fatty Acid Monoethanolamide of 2-3%, the rice hull ash of 1-2%, the organobentonite of 3-4%, 2000-3000rpm high speed dispersion 20-30min, through sand mill, grind to form slurry, stand-by;
B. getting the Nano silica sol that is equivalent to wollastonite amount 20-30% adds in stirrer, under stirring, add tetra isopropyl two (the dioctyl phosphorous acid acyloxy) titanic acid ester of 0.5-1%, the nano-sized carbon of 3-4%, the nano aluminum nitride of 1-2%, the Praseodymium trioxide of 2-3% and the sodium laurylsulfate of 1-2%, 50-60 ℃ of dispersed with stirring 30-40min, cooling rear stand-by;
C. above-mentioned pretreated silicon sol is mixed with the slurry that step (a) makes, add the benzene emulsion of 5-8%, the propylene glycol phenylate of 1-2% and the Lauryl Alcohol ester of 2-3%, stir 30-50min, filter, dry, pulverize porphyrize, cross the 200-300 mesh sieve and get final product.
2. a high-strength tear-resistant as claimed in claim 1 splits the preparation method of rubber gasket, it is characterized in that comprising the following steps; Get silicon rubber, bisphenol A polycarbonate, modified Nano pottery, magnesium oxide, cashew nut oil modified alkyd resin, hexamethylenetetramine in mixing roll under 45-55 ℃ mixing 5-8min, discharge, after placing 24-36h, with chlorosulfonated polyethylene rubber, silicon magnesium calcium pyroborate, nano-silicon lime stone, zinc methacrylate, vinyl silicone oil, add in mixing roll in proportion mixing 6-12min under 40-50 ℃; The sizing material mixed is added in mill, then add all the other raw materials under 80-90 ℃, to refine glue 4-7min, 5-8 rear lower sheet of thin-pass; By film vulcanizing press compression moulding under 15-20MPa pressure, then carry out twice sulfidizing, the curing temperature of primary vulcanization is controlled at 160-180 ℃, curing time is 5-10min, vulcanize for the second time in baking oven and carry out, curing temperature is 220-230 ℃, and curing time is 2-3h, deburring, check, packing, get product.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103665331A (en) * | 2013-12-16 | 2014-03-26 | 北京彤程创展科技有限公司 | Resin for improving rubber tear resistance and preparation method thereof |
| CN103694582A (en) * | 2013-11-29 | 2014-04-02 | 马鞍山市中澜橡塑制品有限公司 | Gasket material formed by mixing compounded rubber and preparation method of gasket material |
| CN104356650A (en) * | 2014-10-27 | 2015-02-18 | 安徽锐视光电技术有限公司 | High-strength synthetic rubber for color separation machine and preparation method of high-strength synthetic rubber |
| CN104482204A (en) * | 2014-11-26 | 2015-04-01 | 史美珍 | Ceramic sealing ring prepared by using waste materials |
| CN104482205A (en) * | 2014-11-26 | 2015-04-01 | 史美珍 | Method for preparing ceramic sealing ring by using waste materials |
| CN104500733A (en) * | 2014-11-26 | 2015-04-08 | 嵊州市亿源密封件有限公司 | Preparation method for wear-resistant nano ceramic sealing rings |
| CN104761902A (en) * | 2015-03-16 | 2015-07-08 | 芜湖荣基密封系统有限公司 | Nano-neodymium oxide-doped high-gas-tightness silicone rubber cement used for preparing ultrathin rubber sealing layer and preparation method thereof |
| CN104972584A (en) * | 2014-04-11 | 2015-10-14 | 辽宁省铁岭橡胶工业研究设计院 | Preparation method of anti-explosion rubber seal ring composition |
| CN105315607A (en) * | 2015-11-16 | 2016-02-10 | 范洲卫 | High-performance mechanical seal ring material and preparation technology thereof |
| CN105802246A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | Anti-radiation silicone rubber sealing gasket and preparation method thereof |
| CN105802230A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | Silicone rubber sealing pad having low permanent compression set value and preparation method thereof |
| CN105802231A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | High-tearing-strength silicone rubber sealing gasket and preparing method thereof |
| CN106700562A (en) * | 2016-12-16 | 2017-05-24 | 安徽亚兰密封件有限公司 | High-hardness wear-resistant rubber sealing piece and preparation method thereof |
| CN106783367A (en) * | 2016-12-28 | 2017-05-31 | 芜湖顺景自动化设备有限公司 | A kind of automation equipment AC high voltage vacuum breaker device |
| CN108641364A (en) * | 2018-05-11 | 2018-10-12 | 芜湖风雪橡胶有限公司 | Wear-resisting rubber composite and preparation method thereof |
| CN111925218A (en) * | 2020-07-22 | 2020-11-13 | 江西广源化工有限责任公司 | Modified wollastonite and preparation method and application thereof |
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| CN103613871A (en) * | 2013-11-12 | 2014-03-05 | 铜陵市肆得科技有限责任公司 | Compounded rubber sealing gasket material and preparation method thereof |
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| JP2009013296A (en) * | 2007-07-05 | 2009-01-22 | Kureha Elastomer Co Ltd | Gasket material for electrolytic cell |
| CN103012891A (en) * | 2012-11-25 | 2013-04-03 | 安徽六方重联机械股份有限公司 | Valve sealing gasket sizing material and preparation method thereof |
| CN103613871A (en) * | 2013-11-12 | 2014-03-05 | 铜陵市肆得科技有限责任公司 | Compounded rubber sealing gasket material and preparation method thereof |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103694582A (en) * | 2013-11-29 | 2014-04-02 | 马鞍山市中澜橡塑制品有限公司 | Gasket material formed by mixing compounded rubber and preparation method of gasket material |
| CN103665331A (en) * | 2013-12-16 | 2014-03-26 | 北京彤程创展科技有限公司 | Resin for improving rubber tear resistance and preparation method thereof |
| CN104972584A (en) * | 2014-04-11 | 2015-10-14 | 辽宁省铁岭橡胶工业研究设计院 | Preparation method of anti-explosion rubber seal ring composition |
| CN104356650A (en) * | 2014-10-27 | 2015-02-18 | 安徽锐视光电技术有限公司 | High-strength synthetic rubber for color separation machine and preparation method of high-strength synthetic rubber |
| CN104482204B (en) * | 2014-11-26 | 2017-04-26 | 江苏久日数控机床有限公司 | Ceramic sealing ring prepared by using waste materials |
| CN104500733A (en) * | 2014-11-26 | 2015-04-08 | 嵊州市亿源密封件有限公司 | Preparation method for wear-resistant nano ceramic sealing rings |
| CN104482205A (en) * | 2014-11-26 | 2015-04-01 | 史美珍 | Method for preparing ceramic sealing ring by using waste materials |
| CN104482204A (en) * | 2014-11-26 | 2015-04-01 | 史美珍 | Ceramic sealing ring prepared by using waste materials |
| CN104761902A (en) * | 2015-03-16 | 2015-07-08 | 芜湖荣基密封系统有限公司 | Nano-neodymium oxide-doped high-gas-tightness silicone rubber cement used for preparing ultrathin rubber sealing layer and preparation method thereof |
| CN105315607A (en) * | 2015-11-16 | 2016-02-10 | 范洲卫 | High-performance mechanical seal ring material and preparation technology thereof |
| CN105802246A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | Anti-radiation silicone rubber sealing gasket and preparation method thereof |
| CN105802230A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | Silicone rubber sealing pad having low permanent compression set value and preparation method thereof |
| CN105802231A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | High-tearing-strength silicone rubber sealing gasket and preparing method thereof |
| CN106700562A (en) * | 2016-12-16 | 2017-05-24 | 安徽亚兰密封件有限公司 | High-hardness wear-resistant rubber sealing piece and preparation method thereof |
| CN106783367A (en) * | 2016-12-28 | 2017-05-31 | 芜湖顺景自动化设备有限公司 | A kind of automation equipment AC high voltage vacuum breaker device |
| CN108641364A (en) * | 2018-05-11 | 2018-10-12 | 芜湖风雪橡胶有限公司 | Wear-resisting rubber composite and preparation method thereof |
| CN111925218A (en) * | 2020-07-22 | 2020-11-13 | 江西广源化工有限责任公司 | Modified wollastonite and preparation method and application thereof |
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Application publication date: 20131127 |