CN104004274A - High temperature-resistant aging-resistant electro-insulating rubber material for instrument element - Google Patents
High temperature-resistant aging-resistant electro-insulating rubber material for instrument element Download PDFInfo
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- CN104004274A CN104004274A CN201410191185.9A CN201410191185A CN104004274A CN 104004274 A CN104004274 A CN 104004274A CN 201410191185 A CN201410191185 A CN 201410191185A CN 104004274 A CN104004274 A CN 104004274A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a high temperature-resistant aging-resistant electro-insulating rubber material for an instrument element. The high temperature-resistant aging-resistant electro-insulating rubber material comprises, by weight, 100 parts of EPDM301, 5-10 parts of a thermoplastic polyester elastomer, 40-50 parts of ultrafine talcum powder, 25-40 parts of modified coal-series calcined kaolin, 18-25 parts of white carbon black, 0.5-1.3 parts of tetra(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid, 1.5-2.3 parts of tri(2,4-di-tert-butylphenyl)phosphite ester, 7-8 parts of a calcium-zinc stabilizing agent, 8-12 parts of zinc oxide, 1-5 parts of stearic acid, 6-8 parts of polyethylene wax, 1.8-2.3 parts of disproportionated rosin, 12-14 parts of epoxidized soybean oil, 1.5-5 parts of a cross-linking agent BIBP, 1-5 parts of a crosslinking assistant TAIC and 2-4 parts of chlorosulfonated polyethylene. The high temperature-resistant aging-resistant electro-insulating rubber material has excellent processing performances, aging resistance, high temperature resistance and good insulating properties.
Description
Technical field
The present invention relates to elastomeric material technical field, relate in particular to high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element.
Background technology
In recent decades, elastomeric material and goods thereof obtain flourish, and it replaces just rapidly steel, metal, cement and timber, the cotton natural polymer that waits is widely used in industry, agricultural, each department of the national economy such as military affairs, in self-service instrument industry, widespread use elastomeric material is made sealing, damping, elastic sensing element etc., along with the expansion in instrument application field and the variation of working conditions, measurement instrument industry is also had higher requirement to elastomeric material, and traditional elastomeric material is subject to heat energy in long-term storage and use procedure, mechanical energy, the effect of luminous energy and radiating capacity, adds oxygen, ozone, moisture and variable valency metal, the chemical reaction that metal ion participates in, rubber sleeve material engenders that deliquescing is clamminess, the catabiosis that hardening becomes fragile or chaps, its physical and mechanical properties is degenerated even lose its original performance to cause cable to break down in use procedure, possesses good processability simultaneously, ageing-resistant, high temperature resistant, the instrument that permanent compression set is low becomes the current technical issues that need to address with elastomeric material.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element, has good processing characteristics, and ageing-resistant, high temperature resistant and good insulating property.
The high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element that the present invention proposes, its raw material comprises by weight: EPDM301100 part, thermoplastic polyester elastomer 5-10 part, superfine talcum powder 40-50 part, modification Calcined Kaolin from Coal Bearing Strata 25-40 part, white carbon black 18-25 part, four (3, 5-di-t-butyl-4-hydroxyphenyl) propionic acid 0.5-1.3 part, three (2, 4-di-tert-butyl-phenyl) phosphorous acid ester 1.5-2.3 part, calcium zinc stabilizer 7-8 part, zinc oxide 8-12 part, stearic acid 1-5 part, polyethylene wax 6-8 part, nilox resin 1.8-2.3 part, epoxy soybean oil 12-14 part, crosslinking agent B IBP1.5-5 part, additional crosslinker TAIC1-5 part, chlorosulfonated polyethylene 2-4 part, wherein modification Calcined Kaolin from Coal Bearing Strata adopts following technique preparation: by weight 60-75 part calcined kaolin is added in high-speed mixer and stirred, after the temperature to 95 that raises gradually degree Celsius, add 0.3-0.6 part silane and 0.5-0.8 part titanic acid ester to stir, continue rising temperature to 135 degree Celsius, stirring at low speed 5-10min after stirring 10-20min, blowing, sieve and obtain modification Calcined Kaolin from Coal Bearing Strata, the fineness of modification Calcined Kaolin from Coal Bearing Strata is 2800-3000 order, iron-holder is 0.65-0.77%.
Preferably, in superfine talcum powder, magnesian content is 30-31.22%, and the content of silicon-dioxide is 63.5-63.89%.
Preferably, crosslinking agent B IBP and additional crosslinker TAIC2-2.5:2.5.
Preferably, the weight ratio of EPDM301, thermoplastic polyester elastomer and modification Calcined Kaolin from Coal Bearing Strata is 100:5-10:25-30.
It is major ingredient that the present invention adopts EPDM301 and thermoplastic polyester elastomer, taking modification Calcined Kaolin from Coal Bearing Strata as auxiliary material, strengthen the crosslinking degree of rubber, rubber molecule is closely connected, also improve heat-resisting and ageing resistance, adopt again vulcanizing agent DCP and additional crosslinker TAIC to be used in conjunction with, make the present invention further increase cross-linking density, make the present invention there is good insulating property and good high temperature resistant, ageing-resistant, oil resistance, in the test of hot air aging, high temperature compressed and oil resistant, meet relevant criterion.
Embodiment
The high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element that the present invention proposes, its raw material comprises by weight: EPDM301100 part, thermoplastic polyester elastomer 5-10 part, superfine talcum powder 40-50 part, modification Calcined Kaolin from Coal Bearing Strata 25-40 part, white carbon black 18-25 part, four (3, 5-di-t-butyl-4-hydroxyphenyl) propionic acid 0.5-1.3 part, three (2, 4-di-tert-butyl-phenyl) phosphorous acid ester 1.5-2.3 part, calcium zinc stabilizer 7-8 part, zinc oxide 8-12 part, stearic acid 1-5 part, polyethylene wax 6-8 part, nilox resin 1.8-2.3 part, epoxy soybean oil 12-14 part, crosslinking agent B IBP1.5-5 part, additional crosslinker TAIC1-5 part, chlorosulfonated polyethylene 2-4 part, wherein modification Calcined Kaolin from Coal Bearing Strata adopts following technique preparation: by weight 60-75 part calcined kaolin is added in high-speed mixer and stirred, after the temperature to 95 that raises gradually degree Celsius, add 0.3-0.6 part silane and 0.5-0.8 part titanic acid ester to stir, continue rising temperature to 135 degree Celsius, stirring at low speed 5-10min after stirring 10-20min, blowing, sieve and obtain modification Calcined Kaolin from Coal Bearing Strata, the fineness of modification Calcined Kaolin from Coal Bearing Strata is 2800-3000 order, iron-holder is 0.65-0.77%.
Embodiment 1
The high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element that the present invention proposes, its raw material comprises by weight: EPDM301100 part, 5 parts of thermoplastic polyester elastomers, 50 parts of superfine talcum powders, 25 parts of modification Calcined Kaolin from Coal Bearing Strata, 25 parts of white carbon blacks, four (3, 5-di-t-butyl-4-hydroxyphenyl) 0.5 part of propionic acid, three (2, 4-di-tert-butyl-phenyl) 2.3 parts of phosphorous acid esters, 7 parts of calcium zinc stabilizers, 12 parts, zinc oxide, 1 part of stearic acid, 8 parts of polyethylene waxs, 1.8 parts of nilox resins, 14 parts of epoxy soybean oils, crosslinking agent B IBP1.5 part, additional crosslinker TAIC5 part, 2 parts of chlorosulfonated polyethylenes, wherein modification Calcined Kaolin from Coal Bearing Strata adopts following technique preparation: by weight 75 parts of calcined kaolins are added in high-speed mixer and stirred, after the temperature to 95 that raises gradually degree Celsius, add 0.3 part of silane and 0.8 part of titanic acid ester to stir, continue rising temperature to 135 degree Celsius, stirring at low speed 10min after stirring 10min, blowing, sieve and obtain modification Calcined Kaolin from Coal Bearing Strata, the fineness of modification Calcined Kaolin from Coal Bearing Strata is 2800 orders, iron-holder is 0.77%.
Embodiment 2
The high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element that the present invention proposes, its raw material comprises by weight: EPDM301100 part, 10 parts of thermoplastic polyester elastomers, 40 parts of superfine talcum powders, 40 parts of modification Calcined Kaolin from Coal Bearing Strata, 18 parts of white carbon blacks, four (3, 5-di-t-butyl-4-hydroxyphenyl) 1.3 parts of propionic acid, three (2, 4-di-tert-butyl-phenyl) 1.5 parts of phosphorous acid esters, 8 parts of calcium zinc stabilizers, 8 parts, zinc oxide, 5 parts of stearic acid, 6 parts of polyethylene waxs, 2.3 parts of nilox resins, 12 parts of epoxy soybean oils, crosslinking agent B IBP5 part, additional crosslinker TAIC1 part, 4 parts of chlorosulfonated polyethylenes, wherein in superfine talcum powder, magnesian content is 30%, the content of silicon-dioxide is 63.89%, modification Calcined Kaolin from Coal Bearing Strata adopts following technique preparation: by weight 60 parts of calcined kaolins are added in high-speed mixer and stirred, after the temperature to 95 that raises gradually degree Celsius, add 0.6 part of silane and 0.5 part of titanic acid ester to stir, continue rising temperature to 135 degree Celsius, stirring at low speed 5min after stirring 20min, blowing, sieve and obtain modification Calcined Kaolin from Coal Bearing Strata, the fineness of modification Calcined Kaolin from Coal Bearing Strata is 3000 orders, iron-holder is 0.65%.
Embodiment 3
The high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element that the present invention proposes, its raw material comprises by weight: EPDM301100 part, 7 parts of thermoplastic polyester elastomers, 47 parts of superfine talcum powders, 30 parts of modification Calcined Kaolin from Coal Bearing Strata, 20 parts of white carbon blacks, four (3, 5-di-t-butyl-4-hydroxyphenyl) 0.7 part of propionic acid, three (2, 4-di-tert-butyl-phenyl) 1.7 parts of phosphorous acid esters, 7.7 parts of calcium zinc stabilizers, 11 parts, zinc oxide, 4 parts of stearic acid, 6.7 parts of polyethylene waxs, 2 parts of nilox resins, 12.7 parts of epoxy soybean oils, crosslinking agent B IBP2 part, additional crosslinker TAIC2.5 part, 3.3 parts of chlorosulfonated polyethylenes, wherein in superfine talcum powder, magnesian content is 31.22%, the content of silicon-dioxide is 63.5%, modification Calcined Kaolin from Coal Bearing Strata adopts following technique preparation: by weight 73 parts of calcined kaolins are added in high-speed mixer and stirred, after the temperature to 95 that raises gradually degree Celsius, add 0.4 part of silane and 0.7 part of titanic acid ester to stir, continue rising temperature to 135 degree Celsius, stirring at low speed 7min after stirring 15min, blowing, sieve and obtain modification Calcined Kaolin from Coal Bearing Strata, the fineness of modification Calcined Kaolin from Coal Bearing Strata is 2900 orders, iron-holder is 0.67%.
Embodiment 4
The high temperature resistant ageing-resistant electro-insulating rubber material for a kind of instrument element that the present invention proposes, its raw material comprises by weight: EPDM301100 part, 9 parts of thermoplastic polyester elastomers, 45 parts of superfine talcum powders, 27 parts of modification Calcined Kaolin from Coal Bearing Strata, 23 parts of white carbon blacks, four (3, 5-di-t-butyl-4-hydroxyphenyl) 1.1 parts of propionic acid, three (2, 4-di-tert-butyl-phenyl) 2.1 parts of phosphorous acid esters, 7.3 parts of calcium zinc stabilizers, 9 parts, zinc oxide, 3 parts of stearic acid, 7.3 parts of polyethylene waxs, 2.2 parts of nilox resins, 13.3 parts of epoxy soybean oils, crosslinking agent B IBP2.5 part, additional crosslinker TAIC2.5 part, 2.7 parts of chlorosulfonated polyethylenes, wherein modification Calcined Kaolin from Coal Bearing Strata adopts following technique preparation: by weight 67 parts of calcined kaolins are added in high-speed mixer and stirred, after the temperature to 95 that raises gradually degree Celsius, add 0.5 part of silane and 0.6 part of titanic acid ester to stir, continue rising temperature to 135 degree Celsius, stirring at low speed 9min after stirring 13min, blowing, sieve and obtain modification Calcined Kaolin from Coal Bearing Strata, the fineness of modification Calcined Kaolin from Coal Bearing Strata is 2900 orders, iron-holder is 0.73%.
The instrument element of embodiment 1-4 gained is carried out to Performance Detection with high temperature resistant ageing-resistant electro-insulating rubber material, and result is as follows:
Wherein, test test piece is prepared according to 175 degree, formula extrusion forming by high rigidity low compression set EPDM rubber cup in 10 minutes sulfuration, make the standard test piece of 150mm*150mm*2mm, die-cut dumbbell from this test piece, use this dumbbell according to ISO37 test tensile strength, tensile yield and surely stretch modulus;
Test test piece is prepared according to 175 degree, and the formula extrusion forming by high rigidity low compression set EPDM rubber cup in 20 minutes is vulcanized, and makes the right cylinder standard test piece of 29mm*12.5mm, carries out 150 DEG C × 70h compress 25% tension set test according to ISO815;
Mobil546# hydraulic efficiency oil is the insoluble hydraulic efficiency oil of the compound compositions such as water and ethylene glycol, that Mobil company of the U.S. meets the special development of the recycle system that J. P. Morgan & Co. of the U.S. manufactures, the performance at water-ethylene glycol extreme environment for detection of elastomeric material herein.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (4)
1. a high temperature resistant ageing-resistant electro-insulating rubber material for instrument element, it is characterized in that, its raw material comprises by weight: EPDM301100 part, thermoplastic polyester elastomer 5-10 part, superfine talcum powder 40-50 part, modification Calcined Kaolin from Coal Bearing Strata 25-40 part, white carbon black 18-25 part, four (3, 5-di-t-butyl-4-hydroxyphenyl) propionic acid 0.5-1.3 part, three (2, 4-di-tert-butyl-phenyl) phosphorous acid ester 1.5-2.3 part, calcium zinc stabilizer 7-8 part, zinc oxide 8-12 part, stearic acid 1-5 part, polyethylene wax 6-8 part, nilox resin 1.8-2.3 part, epoxy soybean oil 12-14 part, crosslinking agent B IBP1.5-5 part, additional crosslinker TAIC1-5 part, chlorosulfonated polyethylene 2-4 part, wherein modification Calcined Kaolin from Coal Bearing Strata adopts following technique preparation: by weight 60-75 part calcined kaolin is added in high-speed mixer and stirred, after the temperature to 95 that raises gradually degree Celsius, add 0.3-0.6 part silane and 0.5-0.8 part titanic acid ester to stir, continue rising temperature to 135 degree Celsius, stirring at low speed 5-10min after stirring 10-20min, blowing, sieve and obtain modification Calcined Kaolin from Coal Bearing Strata, the fineness of modification Calcined Kaolin from Coal Bearing Strata is 2800-3000 order, iron-holder is 0.65-0.77%.
2. high temperature resistant ageing-resistant electro-insulating rubber material for instrument element according to claim 1, is characterized in that, in superfine talcum powder, magnesian content is 30-31.22%, and the content of silicon-dioxide is 63.5-63.89%.
3. high temperature resistant ageing-resistant electro-insulating rubber material for instrument element according to claim 1, is characterized in that crosslinking agent B IBP and additional crosslinker TAIC2-2.5:2.5.
4. high temperature resistant ageing-resistant electro-insulating rubber material for instrument element according to claim 1, is characterized in that, the weight ratio of EPDM301, thermoplastic polyester elastomer and modification Calcined Kaolin from Coal Bearing Strata is 100:5-10:25-30.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410191185.9A CN104004274A (en) | 2014-05-07 | 2014-05-07 | High temperature-resistant aging-resistant electro-insulating rubber material for instrument element |
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| CN201410191185.9A CN104004274A (en) | 2014-05-07 | 2014-05-07 | High temperature-resistant aging-resistant electro-insulating rubber material for instrument element |
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| CN201410191185.9A Pending CN104004274A (en) | 2014-05-07 | 2014-05-07 | High temperature-resistant aging-resistant electro-insulating rubber material for instrument element |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387675A (en) * | 2014-10-22 | 2015-03-04 | 柳州市颖航汽配有限公司 | Preparation method for rubber for automobile exhaust pipe lifting ring |
| CN106928703A (en) * | 2015-12-31 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | Coaseries kaolin/PA66T composites and preparation method thereof |
| CN107903476A (en) * | 2017-12-14 | 2018-04-13 | 全椒县三安塑业有限公司 | A kind of hard wearing high quality plastics |
| CN108047496A (en) * | 2017-12-14 | 2018-05-18 | 全椒县三安塑业有限公司 | A kind of filler for being used to promote plastic strength |
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| CN101845195A (en) * | 2010-05-07 | 2010-09-29 | 浙江俊尔新材料有限公司 | Wear-resistant thermoplastic elastomer and preparation method thereof |
| CN102702626A (en) * | 2012-06-27 | 2012-10-03 | 天津滨海新区大港天力胶管有限公司 | Formula of peroxide vulcanized ethylene propylene diene monomer (EPDM) water pipe |
| CN103555004A (en) * | 2013-10-12 | 2014-02-05 | 河曲县正阳高岭土有限公司 | Preparation method of modified kaolin for rubber |
| CN103552324A (en) * | 2013-11-08 | 2014-02-05 | 福州大学 | Polyester fiber reinforced PVC (polyvinyl chloride) composite material with intermediate foaming layer |
-
2014
- 2014-05-07 CN CN201410191185.9A patent/CN104004274A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845195A (en) * | 2010-05-07 | 2010-09-29 | 浙江俊尔新材料有限公司 | Wear-resistant thermoplastic elastomer and preparation method thereof |
| CN102702626A (en) * | 2012-06-27 | 2012-10-03 | 天津滨海新区大港天力胶管有限公司 | Formula of peroxide vulcanized ethylene propylene diene monomer (EPDM) water pipe |
| CN103555004A (en) * | 2013-10-12 | 2014-02-05 | 河曲县正阳高岭土有限公司 | Preparation method of modified kaolin for rubber |
| CN103552324A (en) * | 2013-11-08 | 2014-02-05 | 福州大学 | Polyester fiber reinforced PVC (polyvinyl chloride) composite material with intermediate foaming layer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387675A (en) * | 2014-10-22 | 2015-03-04 | 柳州市颖航汽配有限公司 | Preparation method for rubber for automobile exhaust pipe lifting ring |
| CN106928703A (en) * | 2015-12-31 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | Coaseries kaolin/PA66T composites and preparation method thereof |
| CN107903476A (en) * | 2017-12-14 | 2018-04-13 | 全椒县三安塑业有限公司 | A kind of hard wearing high quality plastics |
| CN108047496A (en) * | 2017-12-14 | 2018-05-18 | 全椒县三安塑业有限公司 | A kind of filler for being used to promote plastic strength |
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