CN102977483A - Chlorosulfonated polyethylene rubber/EPDM rubber gasket and preparation method thereof - Google Patents
Chlorosulfonated polyethylene rubber/EPDM rubber gasket and preparation method thereof Download PDFInfo
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- CN102977483A CN102977483A CN2012104277122A CN201210427712A CN102977483A CN 102977483 A CN102977483 A CN 102977483A CN 2012104277122 A CN2012104277122 A CN 2012104277122A CN 201210427712 A CN201210427712 A CN 201210427712A CN 102977483 A CN102977483 A CN 102977483A
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Abstract
The invention discloses a chlorosulfonated polyethylene rubber/EPDM rubber gasket. Raw materials for the chlorosulfonated polyethylene rubber/EPDM rubber gasket comprise, by weight, 135 to 145 parts of chlorosulfonated polyethylene rubber CSM2305, 10 to 15 parts of Lanxess 2470 EPDM rubber, 5 to 10 parts of SG-6 PVC resin, 3 to 5 parts of polypropylene adipate, 2 to 3 parts of n-butyl methacrylate, 3 to 5 parts of propanediol sebacate polyester, 5 to 6 parts of magnesium oxide, etc. The gasket provided by the invention has the advantages of good high temperature resistance, sealing performance and flame resistance, excellent resistance to corrosion, small changes in its volume and hardness when working in mediums like an acid, an alkali and oil for a long time, no adherency onto the surface of a metal, a small friction coefficient, good wear resistance, flexibility of bonding with a sealing surface, good resistance to weathering ageing and ozone ageing, durability, etc.
Description
Technical field
The present invention relates to a kind of gasket, be specifically related to a kind of chlorosulfonated polyethylene rubber/EPT rubber packing pad and preparation method thereof.
Background technology
Gasket is a kind of for the inside such as machinery, equipment, pipeline, the material that seals.The gasket that uses at present mostly is rubber gasket, be characterized in: high temperature resistant, anti-ozone, anti-natural weathering, vacuum-resistant, fuel oil resistance, anti-lubricating oil, powerful oxidation corrosion resistance agent, resistance to chemical reagents and electrical insulation capability are good, are widely used in national defense industry and civilian industry.The defectives such as but existing rubber gasket sealing effectiveness is undesirable, wear resistance is relatively poor, intensity is low far can not satisfy actual requirement.Therefore researching and developing a kind of high-performance rubber gasket has become the task of top priority.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, a kind of chlorosulfonated polyethylene rubber of excellent property/EPT rubber packing pad and preparation method thereof is provided.
The technical solution used in the present invention is as follows:
A kind of chlorosulfonated polyethylene rubber/EPT rubber packing pad, the weight part of its constitutive material is: chlorosulfonated polyethylene rubber CSM2305 135-145, bright Sheng 2470 terpolymer EP rubber 10-15, SG-6 type polyvinyl chloride resin 5-10, hexanodioic acid propanediol polyester 3-5, n-BMA 2-3, sebacic acid propanediol polyester 3-5, magnesium oxide 5-6, Imarcaptoacetate dioctyltin 1-2, calcium stearate 1-2, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-2, feldspar in powder 35-40, carbon black N220 40-45, precipitated silica 30-35, antioxidant 1010 1-2,3-aminopropyl trimethoxysilane 2-3, linking agent TAC 1-2, accelerant CZ 1-2, accelerator CBS 0.5-1.5, antioxidant MB 1-2, anti-aging agent TPPD 1-2, antioxidant NBC 1-2, modification trees ashes 1-2.
Described modification trees ashes are made by following methods: extremely neutral with deionized water wash again after using first 10-15% hydrogen peroxide dipping trees ashes 2-3h, and oven dry; Add and be equivalent to the nano-sized carbon of trees ashes weight 2-3%, the polyisobutene of 1-2%, the tributyl citrate of 2-3%, the ferrocene of 1-2%, the aluminium hydroxide of 3-5%, high speed 4500-4800r/min stirs 20-30min, and ovendry power is broken into ultrafine powder.
The preparation method of chlorosulfonated polyethylene rubber/EPT rubber packing pad may further comprise the steps:
(1) press above-mentioned formulation ratio, the raw material for preparing is sent into refined glue in the rubber mixing machine, glue furnacing temperature is controlled at 80-90 ℃, and the refining glue time is 15-20min;
(2) after refining glue is finished, the taking-up sizing material is paved, after placing at normal temperatures cooling 36-48h, send into and carry out twice sulfuration in the vulcanizing press, the curing temperature of primary vulcanization is controlled at 165-175 ℃, and curing time is 10-15min, primary vulcanization vulcanizes the second time by complete and then carrying out, for the second time sulfuration is 210-220 ℃, and curing time is 5-10min, and twice sulfuration pressure is 15-20MPa;
(3) goods that will finish sulfuration take out, and through the passer, can become finished product behind the finishing burr.
Beneficial effect of the present invention:
The present invention can improve flame retardant resistance and the erosion resistance of gasket by the trees ashes are carried out modification, and it is low to have a cost, the characteristics that effect is good.The inorganic powder materials such as feldspar in powder, precipitated silica have been added, the wear resistance of the gasket that can obviously increase and physical strength in the present invention's prescription.Gasket of the present invention has good resistance to elevated temperatures, sealing property and flame retardant properties; Corrosion resistance is good, in acid, and alkali, energy long term operation in the wet goods medium, its volume and changes in hardness are little, and do not stick on the metallic surface; Frictional coefficient is little, and wear resistance is good; Has the flexibility of being combined with trim; The advantages such as Weather-resistant and ozone ageing performance are good, and be durable in use.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiment.
Embodiment
A kind of chlorosulfonated polyethylene rubber/EPT rubber packing pad, the weight part of its constitutive material is: chlorosulfonated polyethylene rubber CSM2305 140, bright Sheng 2470 terpolymer EP rubbers 15, SG-6 type polyvinyl chloride resin 8, hexanodioic acid propanediol polyester 4, n-BMA 2, sebacic acid propanediol polyester 5, magnesium oxide 5, Imarcaptoacetate dioctyltin 1.5, calcium stearate 1.6, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1.8, feldspar in powder 38, carbon black N220 42, precipitated silica 33, antioxidant 1010 1.6,3-aminopropyl trimethoxysilane 2, linking agent TAC 1.5, accelerant CZ 1.5, accelerator CBS 0.8, antioxidant MB 1.5, anti-aging agent TPPD 1.5, antioxidant NBC 2, modification trees ashes 2.
Wherein, described modification trees ashes are made by following methods: extremely neutral with deionized water wash again after using first 15% hydrogen peroxide dipping trees ashes 2h, and oven dry; Add and be equivalent to the nano-sized carbon of trees ashes weight 2%, 2% polyisobutene, 3% tributyl citrate, 1.8% ferrocene, 5% aluminium hydroxide, high speed 4500r/min stirs 25min, and ovendry power is broken into ultrafine powder.
The preparation method of chlorosulfonated polyethylene rubber/EPT rubber packing pad may further comprise the steps:
(1) press above-mentioned formulation ratio, the raw material for preparing is sent into refined glue in the rubber mixing machine, glue furnacing temperature is controlled at 88 ℃, and the refining glue time is 16min;
(2) after refining glue is finished, the taking-up sizing material is paved, after placing at normal temperatures cooling 48h, send into and carry out twice sulfuration in the vulcanizing press, the curing temperature of primary vulcanization is controlled at 165 ℃, and curing time is 12min, primary vulcanization vulcanizes the second time by complete and then carrying out, sulfuration is 215 ℃ for the second time, and curing time is 6min, and twice sulfuration pressure is 20MPa;
(3) goods that will finish sulfuration take out, and through the passer, can become finished product behind the finishing burr.
The salient features of the gasket that present embodiment prepares sees the following form 1.
Table 1
Claims (3)
1. chlorosulfonated polyethylene rubber/EPT rubber packing pad, it is characterized in that the weight part of its constitutive material is: chlorosulfonated polyethylene rubber CSM2305 135-145, bright Sheng 2470 terpolymer EP rubber 10-15, SG-6 type polyvinyl chloride resin 5-10, hexanodioic acid propanediol polyester 3-5, n-BMA 2-3, sebacic acid propanediol polyester 3-5, magnesium oxide 5-6, Imarcaptoacetate dioctyltin 1-2, calcium stearate 1-2, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-2, feldspar in powder 35-40, carbon black N220 40-45, precipitated silica 30-35, antioxidant 1010 1-2,3-aminopropyl trimethoxysilane 2-3, linking agent TAC 1-2, accelerant CZ 1-2, accelerator CBS 0.5-1.5, antioxidant MB 1-2, anti-aging agent TPPD 1-2, antioxidant NBC 1-2, modification trees ashes 1-2.
2. chlorosulfonated polyethylene rubber according to claim 1/EPT rubber packing pad, it is characterized in that, described modification trees ashes are made by following methods: extremely neutral with deionized water wash again after using first 10-15% hydrogen peroxide dipping trees ashes 2-3h, and oven dry; Add and be equivalent to the nano-sized carbon of trees ashes weight 2-3%, the polyisobutene of 1-2%, the tributyl citrate of 2-3%, the ferrocene of 1-2%, the aluminium hydroxide of 3-5%, high speed 4500-4800r/min stirs 20-30min, and ovendry power is broken into ultrafine powder.
3. the preparation method of chlorosulfonated polyethylene rubber as claimed in claim 1/EPT rubber packing pad is characterized in that may further comprise the steps:
(1) press above-mentioned formulation ratio, the raw material for preparing is sent into refined glue in the rubber mixing machine, glue furnacing temperature is controlled at 80-90 ℃, and the refining glue time is 15-20min;
(2) after refining glue is finished, the taking-up sizing material is paved, after placing at normal temperatures cooling 36-48h, send into and carry out twice sulfuration in the vulcanizing press, the curing temperature of primary vulcanization is controlled at 165-175 ℃, and curing time is 10-15min, primary vulcanization vulcanizes the second time by complete and then carrying out, for the second time sulfuration is 210-220 ℃, and curing time is 5-10min, and twice sulfuration pressure is 15-20MPa;
(3) goods that will finish sulfuration take out, and through the passer, can become finished product behind the finishing burr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210427712.2A CN102977483B (en) | 2012-10-31 | 2012-10-31 | Chlorosulfonated polyethylene rubber/EPDM rubber gasket and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210427712.2A CN102977483B (en) | 2012-10-31 | 2012-10-31 | Chlorosulfonated polyethylene rubber/EPDM rubber gasket and preparation method thereof |
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| CN102977483A true CN102977483A (en) | 2013-03-20 |
| CN102977483B CN102977483B (en) | 2015-03-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351493A (en) * | 2013-06-24 | 2013-10-16 | 安徽春辉仪表线缆集团有限公司 | High-performance rubber sealing gasket and preparation method thereof |
| CN103509264A (en) * | 2013-09-05 | 2014-01-15 | 安徽省科林电子有限公司 | Ozone-resistant transformer sealing gasket and preparation method thereof |
| CN103524835A (en) * | 2013-09-25 | 2014-01-22 | 吴江市天源塑胶有限公司 | Wear-resistant and waterproof plastic |
| CN104356841A (en) * | 2014-10-23 | 2015-02-18 | 安徽省金盾涂料有限责任公司 | Self-cleaning acrylic coating |
| CN105802026A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | High-oil-resistant ethylene-propylene-diene monomer rubber sealing gasket and preparing method thereof |
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| CN1590451A (en) * | 2003-07-31 | 2005-03-09 | 早川橡胶株式会社 | Radiation resistant cross linked polymer compositions and radiation resistant polymer products |
| CN1786066A (en) * | 2005-11-17 | 2006-06-14 | 仝国磊 | Super strong acid resistant rubber material and its preparation method |
| US20070210489A1 (en) * | 2006-03-09 | 2007-09-13 | Nichias Corporation | Method for manufacturing sheet-like gasket |
| CN102192327A (en) * | 2010-03-11 | 2011-09-21 | 上海超高工程塑料有限公司 | Rubber seal gasket of embedded metal skeleton and manufacturing method thereof |
| CN102399385A (en) * | 2011-11-17 | 2012-04-04 | 铜陵亿亨达电子有限责任公司 | High-performance explosion-proof rubber sealing cover and preparation method thereof |
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2012
- 2012-10-31 CN CN201210427712.2A patent/CN102977483B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1590451A (en) * | 2003-07-31 | 2005-03-09 | 早川橡胶株式会社 | Radiation resistant cross linked polymer compositions and radiation resistant polymer products |
| CN1786066A (en) * | 2005-11-17 | 2006-06-14 | 仝国磊 | Super strong acid resistant rubber material and its preparation method |
| US20070210489A1 (en) * | 2006-03-09 | 2007-09-13 | Nichias Corporation | Method for manufacturing sheet-like gasket |
| CN102192327A (en) * | 2010-03-11 | 2011-09-21 | 上海超高工程塑料有限公司 | Rubber seal gasket of embedded metal skeleton and manufacturing method thereof |
| CN102399385A (en) * | 2011-11-17 | 2012-04-04 | 铜陵亿亨达电子有限责任公司 | High-performance explosion-proof rubber sealing cover and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351493A (en) * | 2013-06-24 | 2013-10-16 | 安徽春辉仪表线缆集团有限公司 | High-performance rubber sealing gasket and preparation method thereof |
| CN103509264A (en) * | 2013-09-05 | 2014-01-15 | 安徽省科林电子有限公司 | Ozone-resistant transformer sealing gasket and preparation method thereof |
| CN103524835A (en) * | 2013-09-25 | 2014-01-22 | 吴江市天源塑胶有限公司 | Wear-resistant and waterproof plastic |
| CN104356841A (en) * | 2014-10-23 | 2015-02-18 | 安徽省金盾涂料有限责任公司 | Self-cleaning acrylic coating |
| CN105802026A (en) * | 2016-04-14 | 2016-07-27 | 安徽精机械设备有限公司 | High-oil-resistant ethylene-propylene-diene monomer rubber sealing gasket and preparing method thereof |
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| CN102977483B (en) | 2015-03-25 |
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