CN102532863B - Prestressed construction jack seal ring rubber compound and preparation method thereof - Google Patents
Prestressed construction jack seal ring rubber compound and preparation method thereof Download PDFInfo
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- CN102532863B CN102532863B CN2011104574393A CN201110457439A CN102532863B CN 102532863 B CN102532863 B CN 102532863B CN 2011104574393 A CN2011104574393 A CN 2011104574393A CN 201110457439 A CN201110457439 A CN 201110457439A CN 102532863 B CN102532863 B CN 102532863B
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Abstract
The invention discloses a prestressed construction jack seal ring rubber compound, which is formed by mixing A part of rubber compound and B part of rubber compound in an equal proportion, wherein the two parts comprise the following constitutional raw materials in parts by weight: A compound comprises 95-105 parts of polyurethane rubber, 7-9 parts of silicon rubber, 4-6 parts of fluororubber, 3-4 parts of ethylene propylene rubber, 0.7-0.9 parts of natural rubber, 0.3-0.5 parts of sulfur, 0.4-0.6 parts of zinc oxide, 0.3-0.5 parts of stearic acid, 1-2 parts of anti-aging agent 4010NA, 3-4 parts of paraffin, 62-65 parts of high-abrasion-resistance carbon black N3306, 18-22 parts of didodecyl ester, 25-35 parts of magnesium hydroxide and 1-2 parts of prompter DM; and B compound comprises 82-87 parts of mono-polymer chlorohydrine rubber, 12-18 parts of copolymer chlorohydrine rubber, 1-2 parts of barium stearate, 1-3 parts of anti-aging agent RD, 0.4-0.6 parts of gum-easy T-78, 1-2 parts of Antilux paraffin, 30-40 parts of white carbon black, 10-14 parts of barium sulfate, 5-8 parts of didodecyl ester, 4-6 parts of lead sesquioxide, 0.4-0.6 parts of sulfur, 1.5-2.0 parts of vulcanizing agent DCP and 1-2 parts of accelerant Na-22. A seal ring produced from the rubber material has superior oil resistance, heat resistance, air-tightness, fire retardation and tear resistance and also 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 pre-stress construction jack seal ring rubber compound and preparation method thereof.
Background technology
Therefore sealing-ring is easily worn part in the prestress screw block, and sealing-ring is rubber item, to the formula of elastomeric material, special requirement will be arranged, and requires that its prepared product has oil resistant, resistance toheat is high, has simultaneously very high resistance to air loss.Common 41# butadiene-acrylonitrile rubber formula 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, and cost is high; Therefore the research and practice of the saving of the raising of the oil resistant of sealing-ring, heat-resisting, air tightness performance, material cost had to realistic meaning very much.
Summary of the invention
The invention provides a kind of pre-stress construction jack seal ring rubber compound and preparation method thereof, the prestress 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 pre-stress construction jack seal ring rubber compound, 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, antioxidant 4010NA 1-2, paraffin 3-4, high abrasion furnace carbon black N330 62-65, two ten diester 18-22, magnesium hydroxide 25-35, altax 1-2
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 82-87, copolymerization chloropharin glue 12-18, barium stearate 1-2, anti-aging agent RD 1-3, the easy plain T-78 0.4-0.6 of glue, Lay mattress wax 1-2, white carbon black 30-40, barium sulfate 10-14, two ten diester 5-8, three plumbous oxide 4-6, sulphur 0.4-0.6, vulcanizing agent DCP1.5-2.0, accelerant N a-22 1-2.
Described pre-stress construction jack seal ring rubber compound, 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, antioxidant 4010NA 1, paraffin 3, high abrasion furnace carbon black N330 63, two ten diester 20, magnesium hydroxide 30, altax 1-2
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 85, copolymerization chloropharin glue 15, barium stearate 1, anti-aging agent RD 2, the easy plain T-780.5 of glue, Lay mattress wax 1, white carbon black 35, barium sulfate 12, two ten diester 7, three plumbous oxide 4, sulphur 0.4, vulcanizing agent DCP1.5, accelerant N a-222.
The preparation method of described pre-stress construction jack seal ring rubber compound comprises the following steps:
The first step: prepare respectively A sizing material, B sizing material
One, the preparation of A sizing material
(1) plasticate: start Banbury mixer, by urethanes, silicon rubber, viton, ethylene-propylene rubber(EPR), natural rubber, drop in Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-133 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again zinc oxide, stearic acid, anti-aging agent class, paraffin, after mixing 3-4 minute, add magnesium hydroxide to continue after mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, first add the mixing 2-3 minute of 2/3 carbon black, then add residue 1/3 carbon black, 2-3 minute turns refining, add again two ten diester after abundant mixing 3-4 minute, when temperature reaches 85-90 ℃, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in mill, then the promotor class is added in rubber unvulcanizate, thin-pass 5-7 is all over obtaining the A sizing material, the processing temperature of mill≤60 ℃;
Two, the preparation of B sizing material
(1) plasticate: start Banbury mixer, by in monobasic homopolymerization chlorohydrin rubber and copolymerization chloropharin glue input Banbury mixer, plasticating, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again three plumbous oxide, barium stearate, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax, after mixing 3-4 minute, add barium sulfate to continue after mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, first add the mixing 2-3 minute of 2/3 carbon black, add again residue 1/3 carbon black, 2-3 minute turns refining, add again two ten diester after abundant mixing 3-4 minute, when temperature reaches 85-90 ℃, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in mill, then vulcanizing agent class, promotor class are added in rubber unvulcanizate, thin-pass 5-7 is all over 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 are mixed, join in mill, again carry out mixingly, 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 over-all properties, with the prestress screw block sealing-ring that rubber size of the present invention is produced, have good wear-resisting, oil resistant, anti-weather-aging property, elasticity is suitable, and shock-absorbing performance is good, duration of service is long, and the cost of material is low simultaneously.
Embodiment
Part used in embodiment, be weight part.
Embodiment mono-:
1, starting material are prepared:
The raw-material preparation of A sizing material:
Take 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, antioxidant 4010NA 1, paraffin 3, high abrasion furnace carbon black N330 63, two ten diester 20, magnesium hydroxide 30, altax 1-2
The raw-material preparation of B sizing material:
Take monobasic homopolymerization chlorohydrin rubber 85, copolymerization chloropharin glue 15, barium stearate 1, anti-aging agent RD 2, the easy plain T-78 0.5 of glue, Lay mattress wax 1, white carbon black 35, barium sulfate 12, two ten diester 7, three plumbous oxide 4, sulphur 0.4, vulcanizing agent DCP1.5, accelerant N a-22 2.
2, the preparation method of pre-stress construction jack seal ring rubber compound comprises the following steps:
The first step: prepare respectively A sizing material, B sizing material
One, the preparation of A sizing material
(1) plasticate: start Banbury mixer, by urethanes, silicon rubber, viton, ethylene-propylene rubber(EPR), natural rubber, drop in Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-133 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again zinc oxide, stearic acid, anti-aging agent class, paraffin, after mixing 3-4 minute, add magnesium hydroxide to continue after mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, first add the mixing 2-3 minute of 2/3 carbon black, then add residue 1/3 carbon black, 2-3 minute turns refining, add again two ten diester after abundant mixing 3-4 minute, when temperature reaches 85-90 ℃, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in mill, then the promotor class is added in rubber unvulcanizate, thin-pass 5-7 is all over obtaining the A sizing material, the processing temperature of mill≤60 ℃;
Two, the preparation of B sizing material
(1) plasticate: start Banbury mixer, by in monobasic homopolymerization chlorohydrin rubber and copolymerization chloropharin glue input Banbury mixer, plasticating, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again three plumbous oxide, barium stearate, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax, after mixing 3-4 minute, add barium sulfate to continue after mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, first add the mixing 2-3 minute of 2/3 carbon black, add again residue 1/3 carbon black, 2-3 minute turns refining, add again two ten diester after abundant mixing 3-4 minute, when temperature reaches 85-90 ℃, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in mill, then vulcanizing agent class, promotor class are added in rubber unvulcanizate, thin-pass 5-7 is all over 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 are mixed, join in mill, again carry out mixingly, 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 to performance test, and contrast 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 (3)
1. a pre-stress construction jack seal ring rubber compound, 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, antioxidant 4010NA 1-2, paraffin 3-4, high abrasion furnace carbon black N330 62-65, two ten diester 18-22, magnesium hydroxide 25-35, altax 1-2
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 82-87, copolymerization chloropharin glue 12-18, barium stearate 1-2, anti-aging agent RD 1-3, the easy plain T-78 0.4-0.6 of glue, Lay mattress wax 1-2, white carbon black 30-40, barium sulfate 10-14, two ten diester 5-8, three plumbous oxide 4-6, sulphur 0.4-0.6, vulcanizing agent DCP1.5-2.0, accelerant N a-22 1-2.
2. pre-stress construction jack seal ring rubber compound 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, antioxidant 4010NA 1, paraffin 3, high abrasion furnace carbon black N330 63, two ten diester 20, magnesium hydroxide 30, altax 1-2
The B sizing material:
Monobasic homopolymerization chlorohydrin rubber 85, copolymerization chloropharin glue 15, barium stearate 1, anti-aging agent RD 2, the easy plain T-78 0.5 of glue, Lay mattress wax 1, white carbon black 35, barium sulfate 12, two ten diester 7, three plumbous oxide 4, sulphur 0.4, vulcanizing agent DCP 1.5, accelerant N a-22 2.
3. the preparation method of pre-stress construction jack seal ring rubber compound as claimed in claim 1 is characterized in that comprising the following steps:
The first step: prepare respectively A sizing material, B sizing material
One, the preparation of A sizing material
(1) plasticate: start Banbury mixer, by urethanes, silicon rubber, viton, ethylene-propylene rubber(EPR), natural rubber, drop in Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-133 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again zinc oxide, stearic acid, anti-aging agent, paraffin, after mixing 3-4 minute, add magnesium hydroxide to continue after mixing 2-3 minute, again carbon black is added at twice wherein mixing, first add the mixing 2-3 minute of 2/3 carbon black, then add residue 1/3 carbon black, 2-3 minute turns refining, add again two ten diester after abundant mixing 3-4 minute, when temperature reaches 85-90 ℃, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in mill, then promotor is added in rubber unvulcanizate, thin-pass 5-7 is all over obtaining the A sizing material, the processing temperature of mill≤60 ℃;
Two, the preparation of B sizing material
(1) plasticate: start Banbury mixer, by in monobasic homopolymerization chlorohydrin rubber and copolymerization chloropharin glue input Banbury mixer, plasticating, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again three plumbous oxide, barium stearate, anti-aging agent, the easy plain T-78 of glue, Lay mattress wax, after mixing 3-4 minute, add barium sulfate to continue after mixing 2-3 minute, again carbon black is added at twice wherein mixing, first add the mixing 2-3 minute of 2/3 carbon black, add again residue 1/3 carbon black, 2-3 minute turns refining, add again two ten diester after abundant mixing 3-4 minute, when temperature reaches 85-90 ℃, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials is dropped in mill, then vulcanizing agent, promotor are added in rubber unvulcanizate, thin-pass 5-7 is all over 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 are mixed, join in mill, again carry out mixingly, thin-pass 6-8 time, can make the pre-stress construction jack seal ring rubber compound.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104574393A CN102532863B (en) | 2011-12-30 | 2011-12-30 | Prestressed construction jack seal ring rubber compound and preparation method thereof |
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| CN2011104574393A CN102532863B (en) | 2011-12-30 | 2011-12-30 | Prestressed construction jack seal ring rubber compound and preparation method thereof |
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| CN102532863B true CN102532863B (en) | 2013-11-20 |
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| CN103351558A (en) * | 2013-06-24 | 2013-10-16 | 安徽春辉仪表线缆集团有限公司 | High temperature resistant and oil resistant fluorine rubber/silicone rubber sealing pad and preparation method thereof |
| CN103772757A (en) * | 2013-12-13 | 2014-05-07 | 芜湖金鹰机械科技开发有限公司 | High-hardness O-shaped ring compound rubber material |
| 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, |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050045448A (en) * | 2003-11-11 | 2005-05-17 | 현대자동차주식회사 | A rubber composition for packing of oil filter |
| CN101315144A (en) * | 2008-06-20 | 2008-12-03 | 青岛海力威密封有限公司 | Rubber packing ring and manufacturing technology thereof |
| CN101728064A (en) * | 2009-12-21 | 2010-06-09 | 西安向阳航天材料股份有限公司 | Compound sealing strip for oil tank of transformer and manufacture method thereof |
| CN101948600A (en) * | 2010-07-12 | 2011-01-19 | 杭州理想塑胶有限公司 | ACM rubber compound for sealing ring of automobile tension wheel bearing and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000344987A (en) * | 1999-03-26 | 2000-12-12 | Daikin Ind Ltd | Rubber composition for hard disk drive gasket |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050045448A (en) * | 2003-11-11 | 2005-05-17 | 현대자동차주식회사 | A rubber composition for packing of oil filter |
| CN101315144A (en) * | 2008-06-20 | 2008-12-03 | 青岛海力威密封有限公司 | Rubber packing ring and manufacturing technology thereof |
| CN101728064A (en) * | 2009-12-21 | 2010-06-09 | 西安向阳航天材料股份有限公司 | Compound sealing strip for oil tank of transformer and manufacture method thereof |
| CN101948600A (en) * | 2010-07-12 | 2011-01-19 | 杭州理想塑胶有限公司 | ACM rubber compound for sealing ring of automobile tension wheel bearing and preparation method thereof |
Non-Patent Citations (1)
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| JP特开2000-344987A 2000.12.12 |
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