CN102585483B - Rubber material for prestressing ultrahigh pressure jack sealing ring and preparation method for rubber material - Google Patents
Rubber material for prestressing ultrahigh pressure jack sealing ring and preparation method for rubber material Download PDFInfo
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- CN102585483B CN102585483B CN 201110457022 CN201110457022A CN102585483B CN 102585483 B CN102585483 B CN 102585483B CN 201110457022 CN201110457022 CN 201110457022 CN 201110457022 A CN201110457022 A CN 201110457022A CN 102585483 B CN102585483 B CN 102585483B
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Abstract
The invention discloses a rubber material for a prestressing ultrahigh pressure jack sealing ring. The rubber material is formed by mixing a rubber material A and a rubber material B in an equal ratio, wherein the rubber material A consists of the following raw materials in part by weight: 95 to 105 parts of polyurethane rubber, 7 to 9 parts of silicone rubber, 4 to 6 parts of fluororubber, 3 to 4 parts of ethylene propylene rubber, 0.7 to 0.9 part of natural rubber, 0.3 to 0.5 part of sulfur, 0.4 to 0.6 part of zinc oxide, 0.3 to 0.5 part of stearic acid, 0.2 to 0.4 part of antioxidant RD, 3 to 4 parts of paraffin, 22 to 25 parts of carbon black N660, 18 to 22 parts of dibutyl phthalate (DBP), 25 to 35 parts of calcium carbonate and 3 to 4 parts of accelerator DM; and the rubber material B consists of the following raw materials in part by weight: 82 to 87 parts of unary homopolymer of chlorohydrin rubber, 12 to 18 parts of copolymer of chlorohydrin rubber, 1 to 2 parts of zinc stearate, 1 to 3 parts of antioxidant RD, 0.4 to 0.6 part of gum-easy T-78, 1 to 2 parts of rhein wax, 45 to 55 parts of carbon black, 5 to 8 parts of DBP, 0.4 to 0.6 part of sulfur and 1 to 2 parts of accelerator Na-22. The sealing ring prepared from the rubber material has high oil resistance, heat resistance, air tightness, flame retardance and tear resistance and is low in material cost.
Description
Technical field
The present invention relates to the rubber size manufacture field, be specifically related to a kind of prestress ultra-high voltage screw block rubber sealing ring sizing material and preparation method thereof.
Background technology
Sealing-ring is easily worn part in the prestress screw block, and sealing-ring is rubber item, and therefore the prescription to elastomeric material will have special requirement, requires its prepared product to have oil resistant, resistance toheat height, has very high resistance to air loss simultaneously.Common 41# butadiene-acrylonitrile rubber prescription oil resistant, heat-resisting, resistance to air loss all are not so good as hydrogenated butyronitrile glue and chloropharin glue, but hydrogenated butyronitrile glue and chloropharin glue are expensive, the cost height; Therefore research and the practice to the saving of the raising of the oil resistant of sealing-ring, heat-resisting, resistance to air loss performance, material cost has realistic meaning very much.
Summary of the invention
The invention provides a kind of prestress ultra-high voltage screw block rubber sealing ring sizing material and preparation method thereof, the prestress ultra-high voltage screw block sealing-ring that rubber size of the present invention is produced, have good oil resistant, resistance toheat, good, fire-retardant, the tear-resistant performance excellence of resistance to air loss, cost is low simultaneously.
The present invention adopts following technical scheme to achieve these goals:
A kind of prestress ultra-high voltage screw block rubber sealing ring sizing material, it is by A, mixing the forming of B two portions rubber size equal proportion, and the weight part of its two portions constitutive material is:
The A sizing material:
Urethanes 95-105, silicon rubber 7-9, viton 4-6, ethylene-propylene rubber(EPR) 3-4, natural rubber 0.7-0.9, sulphur 0.3-0.5, zinc oxide 0.4-0.6, stearic acid 0.3-0.5, anti-aging agent RD 0.2-0.4, antioxidant 4010NA 1-2, paraffin 3-4, carbon black N660 22-25, dibutylester DBP18-22, calcium carbonate 25-35, altax 3-4
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 82-87, copolymerization chloropharin glue 12-18, Zinic stearas 1-2, anti-aging agent RD 1-3, the easy plain T-78 0.4-0.6 of glue, Lay mattress wax 1-2, carbon black 45-55, dibutylester 5-8, sulphur 0.4-0.6, accelerant N a-22 1-2.
Described prestress ultra-high voltage screw block rubber sealing ring sizing material is characterized in that it is by A, mixing the forming of B two portions rubber size equal proportion, and the weight part of its two portions constitutive material is:
The A sizing material:
Urethanes 100, silicon rubber 8, viton 5, ethylene-propylene rubber(EPR) 3.5, natural rubber 0.8, sulphur 0.4, zinc oxide 0.5, stearic acid 0.4, anti-aging agent RD 0.3, paraffin 3, carbon black N660 23, dibutylester DBP 20, calcium carbonate 30, altax 3,
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 85, copolymerization chloropharin glue 15, Zinic stearas 1, anti-aging agent RD 1, the easy plain T-780.5 of glue, Lay mattress wax 1, carbon black 5, dibutylester 5, sulphur 0.5, accelerant N a-22 1.
The preparation method of described prestress ultra-high voltage screw block rubber sealing ring sizing material may further comprise the steps:
The first step: prepare A sizing material, B sizing material respectively
One, the preparation of A sizing material
(1) plasticates: start Banbury mixer, with urethanes, silicon rubber, viton, ethylene-propylene rubber(EPR), natural rubber, drop in the Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-133 ℃, begin discharge, park cooling 23-25 hour behind the discharge;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in the Banbury mixer, add zinc oxide, stearic acid, anti-aging agent class, paraffin again, after mixing 3-4 minute, after adding calcium carbonate continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, added 2/3 carbon black mixing 2-3 minute earlier, add residue 1/3 carbon black again, turned refining 2-3 minute, after adding the abundant mixing 3-4 of dibutylester DBP minute again, when temperature reached 85-90 ℃, the beginning discharge was parked cooling 23-25 hour behind the discharge;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in the mill, the promotor class is added in the rubber unvulcanizate again, thin-pass 5-7 be all over can obtaining the A sizing material, the processing temperature of mill≤60 ℃;
Two, the preparation of B sizing material
(1) plasticate: start Banbury mixer, will monobasic homopolymerization chlorohydrin rubber and copolymerization chloropharin glue drop in the Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in the Banbury mixer, add Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax again, after mixing 3-4 minute, again the carbon black class is added at twice wherein mixingly, earlier added 2/3 carbon black mixing 2-3 minute, add residue 1/3 carbon black again, turned refining 2-3 minute, add the abundant mixing 3-4 of dibutylester DBP minute again after, when temperature reaches 85-90 ℃, the beginning discharge is parked cooling 23-25 hour behind the discharge;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in the mill, vulcanizing agent class, promotor class are added in the rubber unvulcanizate again, thin-pass 5-7 be all over can obtaining the B sizing material, the processing temperature of mill≤60 ℃.
Second step: A sizing material and B sizing material mixing
After the above-mentioned A sizing material that makes and B sizing material equal proportion mixed, join in the mill, carry out mixingly again, thin-pass 6-8 time, can make rubber size of the present invention.
Beneficial effect of the present invention:
Rubber size of the present invention has good comprehensive performances, the prestress ultra-high voltage screw block sealing-ring of producing with rubber size of the present invention has good wear-resisting, oil resistant, anti-weather-aging property, and elasticity is suitable, and shock-absorbing performance is good, duration of service is long, and the cost of material is low simultaneously.
Embodiment
Used part among the embodiment is weight part.
Embodiment one:
1, starting material are prepared:
The raw-material preparation of A sizing material:
Take by weighing urethanes 100, silicon rubber 8, viton 5, ethylene-propylene rubber(EPR) 3.5, natural rubber 0.8, sulphur 0.4, zinc oxide 0.5, stearic acid 0.4, anti-aging agent RD 0.3, paraffin 3, carbon black N660 23, dibutylester DBP 20, calcium carbonate 30, altax 3
The raw-material preparation of B sizing material:
Take by weighing monobasic homopolymerization chlorohydrin rubber 85, copolymerization chloropharin glue 15, Zinic stearas 1, anti-aging agent RD 1, the easy plain T-78 0.5 of glue, Lay mattress wax 1, carbon black 5, dibutylester 5, sulphur 0.5, accelerant N a-22 1.
2, the preparation method of prestress ultra-high voltage screw block rubber sealing ring sizing material may further comprise the steps:
The first step: prepare A sizing material, B sizing material respectively
One, the preparation of A sizing material
(1) plasticates: start Banbury mixer, with urethanes, silicon rubber, viton, ethylene-propylene rubber(EPR), natural rubber, drop in the Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-133 ℃, begin discharge, park cooling 23-25 hour behind the discharge;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in the Banbury mixer, add zinc oxide, stearic acid, anti-aging agent class, paraffin again, after mixing 3-4 minute, after adding calcium carbonate continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, added 2/3 carbon black mixing 2-3 minute earlier, add residue 1/3 carbon black again, turned refining 2-3 minute, after adding the abundant mixing 3-4 of dibutylester DBP minute again, when temperature reached 85-90 ℃, the beginning discharge was parked cooling 23-25 hour behind the discharge;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in the mill, the promotor class is added in the rubber unvulcanizate again, thin-pass 5-7 be all over can obtaining the A sizing material, the processing temperature of mill≤60 ℃;
Two, the preparation of B sizing material
(1) plasticate: start Banbury mixer, will monobasic homopolymerization chlorohydrin rubber and copolymerization chloropharin glue drop in the Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in the Banbury mixer, add Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax again, after mixing 3-4 minute, again the carbon black class is added at twice wherein mixingly, earlier added 2/3 carbon black mixing 2-3 minute, add residue 1/3 carbon black again, turned refining 2-3 minute, add the abundant mixing 3-4 of dibutylester DBP minute again after, when temperature reaches 85-90 ℃, the beginning discharge is parked cooling 23-25 hour behind the discharge;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in the mill, vulcanizing agent class, promotor class are added in the rubber unvulcanizate again, thin-pass 5-7 be all over can obtaining the B sizing material, the processing temperature of mill≤60 ℃.
Second step: A sizing material and B sizing material mixing
After the above-mentioned A sizing material that makes and B sizing material equal proportion mixed, join in the mill, carry out mixingly again, thin-pass 6-8 time, can make rubber size of the present invention.
Testing data
Rubber sealing ring sizing material of the present invention is carried out performance test, and compare in conventional seals circle rubber size, result such as following table 1.
Oil resistance detects according to ASTM D 471 standards, and unit is %;
Resistance toheat detects according to GB GB-T 3512-2001;
Resistance to air loss detects according to GB GB7755-87, and unit is m2/s.Pa;
Tear-resistant performance detects according to GB GB/T529-1999, and unit is KN/m.
The physicals of elastomeric material of the present invention and conventional oil resisting rubber material detects and is compared as follows table:
Table 1
The oil-proofness of rubber sealing ring sizing material of the present invention, resistance toheat, resistance to air loss and resistance to tearing are all than conventional caulking gum material excellence as can be seen from Table 1.
Claims (2)
1. a prestress ultra-high voltage screw block rubber sealing ring sizing material is characterized in that, it is by A, mixing the forming of B two portions rubber size equal proportion, and the weight part of its two portions constitutive material is:
The A sizing material:
Urethanes 95-105, silicon rubber 7-9, viton 4-6, ethylene-propylene rubber(EPR) 3-4, natural rubber 0.7-0.9, sulphur 0.3-0.5, zinc oxide 0.4-0.6, stearic acid 0.3-0.5, anti-aging agent RD 0.2-0.4, paraffin 3-4, carbon black N660 22-25, dibutylester DBP18-22, calcium carbonate 25-35, altax 3-4
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 82-87, copolymerization chloropharin glue 12-18, Zinic stearas 1-2, anti-aging agent RD 1-3, the easy plain T-78 0.4-0.6 of glue, Lay mattress wax 1-2, carbon black 45-55, dibutylester DBP 5-8, sulphur 0.4-0.6, accelerant N a-22 1-2.
2. prestress ultra-high voltage screw block rubber sealing ring sizing material according to claim 1 is characterized in that, it is by A, mixing the forming of B two portions rubber size equal proportion, and the weight part of its two portions constitutive material is:
The A sizing material:
Urethanes 100, silicon rubber 8, viton 5, ethylene-propylene rubber(EPR) 3.5, natural rubber 0.8, sulphur 0.4, zinc oxide 0.5, stearic acid 0.4, anti-aging agent RD 0.3, paraffin 3, carbon black N660 23, dibutylester DBP 20, calcium carbonate 30, altax 3
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 85, copolymerization chloropharin glue 15, Zinic stearas 1, anti-aging agent RD 1, the easy plain T-78 0.5 of glue, Lay mattress wax 1, carbon black 50, dibutylester DBP 5, sulphur 0.5, accelerant N a-22 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110457022 CN102585483B (en) | 2011-12-30 | 2011-12-30 | Rubber material for prestressing ultrahigh pressure jack sealing ring and preparation method for rubber material |
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| CN 201110457022 CN102585483B (en) | 2011-12-30 | 2011-12-30 | Rubber material for prestressing ultrahigh pressure jack sealing ring and preparation method for rubber material |
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| CN102585483B true CN102585483B (en) | 2013-07-17 |
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| CN103509297A (en) * | 2013-09-05 | 2014-01-15 | 安徽省科林电子有限公司 | Anti-aging transformer sealing gasket and preparation method thereof |
| CN103497501A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Calcium fluoride-containing rubber seal ring material and preparation method thereof |
| CN103694666A (en) * | 2013-11-29 | 2014-04-02 | 马鞍山市中澜橡塑制品有限公司 | High-strength sealed composite rubber sealing gasket material and preparation method thereof |
| CN104072972A (en) * | 2014-06-12 | 2014-10-01 | 安徽安尔达机电有限公司 | High-strength heat-resistant seal rubber material for water pump, |
| CN104710795A (en) * | 2015-01-28 | 2015-06-17 | 柳州市同进汽车零部件制造有限公司 | Ultrahigh temperature resistant O-shaped rubber sealing ring |
| CN106380641A (en) * | 2016-08-31 | 2017-02-08 | 安徽美祥实业有限公司 | Wear resistant sealing ring and production method thereof |
| CN107057327B (en) * | 2017-05-24 | 2020-05-22 | 黄山全晟密封科技有限公司 | Rubber material special for motor shock pad and production method |
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| CN1715320A (en) * | 2005-07-11 | 2006-01-04 | 张伟 | Composition for producing elastic member |
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