CN102977484A - Nanometer barite powder-modified chlorosulfonated polyethylene rubber gasket and preparation method thereof - Google Patents
Nanometer barite powder-modified chlorosulfonated polyethylene rubber gasket and preparation method thereof Download PDFInfo
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- CN102977484A CN102977484A CN2012104282953A CN201210428295A CN102977484A CN 102977484 A CN102977484 A CN 102977484A CN 2012104282953 A CN2012104282953 A CN 2012104282953A CN 201210428295 A CN201210428295 A CN 201210428295A CN 102977484 A CN102977484 A CN 102977484A
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- chlorosulfonated polyethylene
- polyethylene rubber
- barite powder
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Abstract
The invention discloses a nanometer barite powder-modified chlorosulfonated polyethylene rubber gasket. Raw materials for the nanometer barite powder-modified chlorosulfonated polyethylene rubber gasket comprise, by weight, 135 to 145 parts of chlorosulfonated polyethylene rubber CSM2305, 10 to 15 parts of butyl rubber BBK 232, 10 to 15 parts of SG-5 PVC resin, 2 to 5 parts of diethylene glycol dibenzoate, 2 to 3 parts of magnesium oxide, 2 to 3 parts of zinc oxide, 2 to 5 parts of epoxy butyl oleate, 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 chlorosulfonated polyethylene rubber gasket of a kind of nano barite powder modification and preparation method thereof.
Background technology
The chlorosulfonated polyethylene rubber gasket is a kind of for the inside such as machinery, equipment, pipeline, the material that seals.The chlorosulfonated polyethylene rubber gasket has the ageing-resistant, heat-resisting, fire-retardant of uniqueness, particularly the performances such as weather-proof, anti-ozone and resistance to chemical attack are that other any rubber are all incomparable, therefore, it more can satisfy the harsh requirement of every field, is widely used in national defense industry and civilian industry.The defectives such as but existing chlorosulfonated polyethylene 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 novel chlorosulfonated polyethylene 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, chlorosulfonated polyethylene rubber gasket of a kind of nano barite powder modification and preparation method thereof is provided.
The technical solution used in the present invention is as follows:
The chlorosulfonated polyethylene rubber gasket of a kind of nano barite powder modification, the weight part of its constitutive material is: chlorosulfonated polyethylene rubber CSM2305 135-145,
Isoprene-isobutylene rubber BBK23210-15, SG-5 type polyvinyl chloride resin 10-15, Diethylene Glycol Dibenzoate 2-5, magnesium oxide 2-3, zinc oxide 2-3, epoxyoleic acid butyl ester 2-5, dibutyl maleate 2-5, nano barite powder 40-45, carbon black N339 10-15, nano silicon 50-55, sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester 1-2, oxidation inhibitor 1035 1-2,3-aminopropyl trimethoxysilane 3-4, anti-aging agent TPPD 1-2, antioxidant NBC 1-2, anti-aging agent ODA 1-2, accelerant CZ 1-2, accelerator CBS 0.5-1.5, 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 the chlorosulfonated polyethylene rubber gasket of nano barite powder modification 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 present invention adds the nano barite powder and chlorosulfonated polyethylene rubber is carried out modification, the wear resistance of the gasket that can obviously increase and physical strength by to formula adjustment.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
The chlorosulfonated polyethylene rubber gasket of a kind of nano barite powder modification, the weight part of its constitutive material is: 138 parts of chlorosulfonated polyethylene rubber CSM2305,
Isoprene-isobutylene rubber BBK23212 parts, 15 parts of SG-5 type polyvinyl chloride resins, 5 parts of Diethylene Glycol Dibenzoates, 3 parts in magnesium oxide, 2 parts in zinc oxide, 5 parts of epoxyoleic acid butyl esters, 3 parts of dibutyl maleates, 45 parts in nano barite powder, 10 parts of carbon black N339,50 parts of nano silicons, 1.5 parts of sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester, 1,035 1 parts in oxidation inhibitor, 3 parts of 3-aminopropyl trimethoxysilane, 2 parts of anti-aging agent TPPD, 1 part of antioxidant NBC, 1 part of anti-aging agent ODA, 1.5 parts of accelerant CZs, 0.5 part of accelerator CBS, 2 parts in modification trees ashes.
Wherein, described modification trees ashes are made by following methods: extremely neutral with deionized water wash again after using first 12% hydrogen peroxide dipping trees ashes 3h, and oven dry; Add and be equivalent to the nano-sized carbon of trees ashes weight 3%, 1.5% polyisobutene, 2% tributyl citrate, 2% ferrocene, 4% aluminium hydroxide, high speed 4500r/min stirs 30min, and ovendry power is broken into ultrafine powder.
The preparation method of the chlorosulfonated polyethylene rubber gasket of nano barite powder modification 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 85 ℃, and the refining glue time is 20min;
(2) after refining glue is finished, the taking-up sizing material is paved, after placing at normal temperatures cooling 40h, send into and carry out twice sulfuration in the vulcanizing press, the curing temperature of primary vulcanization is controlled at 170 ℃, and curing time is 12min, primary vulcanization vulcanizes the second time by complete and then carrying out, sulfuration is 218 ℃ for the second time, curing time 8min, and twice sulfuration pressure is 18MPa;
(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. the chlorosulfonated polyethylene rubber gasket of nano barite powder modification, it is characterized in that the weight part of its constitutive material is: chlorosulfonated polyethylene rubber CSM2305 135-145, isoprene-isobutylene rubber BBK232 10-15, SG-5 type polyvinyl chloride resin 10-15, Diethylene Glycol Dibenzoate 2-5, magnesium oxide 2-3, zinc oxide 2-3, epoxyoleic acid butyl ester 2-5, dibutyl maleate 2-5, nano barite powder 40-45, carbon black N339 10-15, nano silicon 50-55, sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester 1-2, oxidation inhibitor 1035 1-2,3-aminopropyl trimethoxysilane 3-4, anti-aging agent TPPD 1-2, antioxidant NBC 1-2, anti-aging agent ODA 1-2, accelerant CZ 1-2, accelerator CBS 0.5-1.5, modification trees ashes 1-2.
2. the chlorosulfonated polyethylene rubber gasket of nano barite powder according to claim 1 modification, 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 the chlorosulfonated polyethylene rubber gasket of a nano barite powder as claimed in claim 1 modification 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 |
|---|---|---|---|
| CN201210428295.3A CN102977484B (en) | 2012-10-31 | 2012-10-31 | Nanometer barite powder-modified chlorosulfonated polyethylene rubber gasket and preparation method thereof |
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| CN201210428295.3A CN102977484B (en) | 2012-10-31 | 2012-10-31 | Nanometer barite powder-modified chlorosulfonated polyethylene rubber gasket and preparation method thereof |
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| CN102977484A true CN102977484A (en) | 2013-03-20 |
| CN102977484B CN102977484B (en) | 2014-08-27 |
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Cited By (4)
| 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 |
| CN104072898A (en) * | 2014-06-23 | 2014-10-01 | 李雪红 | Flame retardant rubber |
| CN114456455A (en) * | 2022-01-06 | 2022-05-10 | 宁国中奕橡塑有限公司 | Anti-tearing high-flame-retardant sealing ring for motor |
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| CN1786066A (en) * | 2005-11-17 | 2006-06-14 | 仝国磊 | Super strong acid resistant rubber material and its preparation method |
| WO2009138797A1 (en) * | 2008-05-14 | 2009-11-19 | Dow Corning Corporation | Silicone rubber compositions |
| CN101759940A (en) * | 2010-01-12 | 2010-06-30 | 天津鹏翎胶管股份有限公司 | Formulation of environment-friendly chlorosulfonated polyethylene rubber |
| CN102417633A (en) * | 2011-11-01 | 2012-04-18 | 铜陵兴怡金属材料有限公司 | Elastic rubber material of capacitor shell and production method thereof |
| CN102585388A (en) * | 2011-01-13 | 2012-07-18 | 浙江久运车辆部件有限公司 | Chlorinated polyethylene rubber material |
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2012
- 2012-10-31 CN CN201210428295.3A patent/CN102977484B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786066A (en) * | 2005-11-17 | 2006-06-14 | 仝国磊 | Super strong acid resistant rubber material and its preparation method |
| WO2009138797A1 (en) * | 2008-05-14 | 2009-11-19 | Dow Corning Corporation | Silicone rubber compositions |
| CN101759940A (en) * | 2010-01-12 | 2010-06-30 | 天津鹏翎胶管股份有限公司 | Formulation of environment-friendly chlorosulfonated polyethylene rubber |
| CN102585388A (en) * | 2011-01-13 | 2012-07-18 | 浙江久运车辆部件有限公司 | Chlorinated polyethylene rubber material |
| CN102417633A (en) * | 2011-11-01 | 2012-04-18 | 铜陵兴怡金属材料有限公司 | Elastic rubber material of capacitor shell and production method thereof |
Cited By (4)
| 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 |
| CN104072898A (en) * | 2014-06-23 | 2014-10-01 | 李雪红 | Flame retardant rubber |
| CN114456455A (en) * | 2022-01-06 | 2022-05-10 | 宁国中奕橡塑有限公司 | Anti-tearing high-flame-retardant sealing ring for motor |
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| CN102977484B (en) | 2014-08-27 |
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