CN102382340B - Liner rubber material of liner rubber butterfly valve and preparation method thereof - Google Patents
Liner rubber material of liner rubber butterfly valve and preparation method thereof Download PDFInfo
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- CN102382340B CN102382340B CN 201110330455 CN201110330455A CN102382340B CN 102382340 B CN102382340 B CN 102382340B CN 201110330455 CN201110330455 CN 201110330455 CN 201110330455 A CN201110330455 A CN 201110330455A CN 102382340 B CN102382340 B CN 102382340B
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Abstract
The present invention discloses a linear rubber material of a linear rubber butterfly, which is obtained through compounding rubber mass A and rubber mass B. The rubber mass A and rubber mass B are respectively composed of the following components in weight percentage: the rubber mass A is composed of: 85-95 part of nitrile butadine rubber, 0.3-0.5 part of sulphur, 4-6 parts of zinc oxide, 3-4 parts of eleaostearic acid, 2 parts of antioxidant, 1-2 parts of 5-di-tert-butylhydroquinone DTBHQ, 1-2 parts of antioxidant RD, 1-2 parts of antioxidant OD, 3-4 parts of paraffin, 22-25 parts of fast extruding furnace black N660, 62-65 parts of high-wearing-resistance furnace carbon N330, 18-22 parts of dioctyl, 25-35 parts of attapulgite, 3-4 parts of promoter M, 1-2 parts of promoter DM, and 1-2 parts of promoter PZ; and the rubber mass B is composed of: 85-95 parts of fluorubber 246, 1-2 parts of zinc stearate, 1-3 parts of antioxidant RD, 0.4-0.6 part of furnace black dispersing agent T-78,1-2 parts of antilux, 45-55 parts of fast extruding furnace black, 10-14 parts of pottery clay, 5-8 parts of dioctyl, 4-6 parts of lead tetraoxide, 0.8 part of vulcanizing agent DTDM, and 1-2 parts of promoter CZ. The linear rubber material of the invention has excellent comprehensive performance. The vulcanized liner rubber butterfly valve has the following characteristics: good air-tightness, high weather resistance, high low-temperature resistance, high oil resistance, low material cost, etc.
Description
Technical field
The present invention relates to the rubber composite manufacture field, be specifically related to line with rubber sizing material of butterfly valve and preparation method thereof.
Background technology
In fluid-duct-system, valve is controlling elements, its Main Function is xegregating unit and tubing system, adjust flux, prevents backflow, adjusting and drainage pressure, therefore require higher to stopping property and the corrosion resistance nature of valve, high temperature resistant, the corrosion resistance nature of existing casting butterfly valve are not fine, thereupon, it is more and more extensive that line with rubber dish valve is used, the resistance to elevated temperatures of the line with rubber sizing material of existing butterfly valve, corrosion resistance nature are not very desirable, although the corrosion resistance and good that has, but raw-material expensive, cost is high.
Summary of the invention
The invention provides line with rubber sizing material of butterfly valve and preparation method thereof, with line with rubber rubber vulcanization of the present invention on the internal surface of butterfly valve body inner chamber and valve shaft seat hole surface on, the butterfly valve of gained has the characteristics such as good resistance to air loss, weathering resistance, lower temperature resistance and oil-proofness, and the cost of material is low simultaneously.
The present invention adopts following technical scheme to achieve these goals:
The line with rubber sizing material of butterfly valve is characterized in that, it is by A, mixing the forming of B two portions rubber size, and the weight part of its two portions constitutive material is:
The A sizing material:
Paracril 330485-95 sulphur 0.3-0.5, zinc oxide 4-6, stearic acid 3-4, oxidation inhibitor 2,5-ditert-butylhydro quinone-DTBHQ 1-2, anti-aging agent RD 1-2, anti-aging agent OD 1-2, paraffin 3-4, extrude carbon black N660 22-25, high abrasion furnace carbon black N330 62-65, dioctyl ester 18-22, attapulgite 25-35, captax 3-4, altax 1-2, promotor PZ 1-2 soon
The B sizing material:
Fluororubber 246 85-95, 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, extrude carbon black 45-55, potter's clay 10-14, dioctyl ester 5-8, four oxidations, two plumbous 4-6, vulcanizing agent DTDM 0.7-0.9, accelerant CZ 1-2 soon.
The line with rubber sizing material of described butterfly valve is characterized in that, it is by A, mixing the forming of B two portions rubber size, and the weight part of its two portions constitutive material is:
The A sizing material:
Paracril 330490, sulphur 0.4, zinc oxide 5, stearic acid 2, anti-aging agent RD 1.5, anti-aging agent OD 1.5, paraffin 2, extrude carbon black N66024, high abrasion furnace carbon black N330 63, dioctyl ester 20, attapulgite 30, captax 2, altax 1, promotor PZ 1 soon
The B sizing material:
Fluororubber 246 90, Zinic stearas 1, anti-aging agent RD 2, the easy plain T-78 0.5 of glue, Lay mattress wax 1.5, extrude carbon black 50, potter's clay 12, dioctyl ester 6, four oxidations, two lead 5, vulcanizing agent DTDM 0.8, accelerant CZ 1.5 soon.
The preparation method of the line with rubber sizing material of described butterfly valve may further comprise the steps:
The first step: prepare respectively A sizing material, B sizing material
One, the preparation of A sizing material
(1) plasticates: start Banbury mixer, paracril 3304 is dropped in the Banbury mixer plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, 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 again zinc oxide, stearic acid, anti-aging agent class, paraffin, after mixing 3-4 minute, after the adding attapulgite continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, added first the mixing 2-3 of 2/3 carbon black minute, and added again residue 1/3 carbon black, turned refining 2-3 minute, after adding again the abundant mixing 3-4 of dioctyl ester minute, 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, vulcanizing agent, promotor class are 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) plasticates: start Banbury mixer, fluororubber 246 is dropped in the Banbury mixer plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, 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 again four oxidations, two lead, Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax, after mixing 3-4 minute, after adding potter's clay continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, added first the mixing 2-3 of 2/3 carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, after adding again the abundant mixing 3-4 of dioctyl ester minute, 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, 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
With the above-mentioned A sizing material that makes and B sizing material by weight being A: B=(1-2): 1 mix after, join in the mill, again carry out mixing, thin-pass 6-8 time, the rubber composite of the present invention that can make.
Beneficial effect of the present invention:
Elastomeric material of the present invention has good over-all properties, with line with rubber rubber vulcanization of the present invention on the internal surface of butterfly valve body inner chamber and valve shaft seat hole surface on, the butterfly valve of gained has the characteristics such as good resistance to air loss, weathering resistance, lower temperature resistance and oil-proofness, 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 paracril 3,304 90 sulphur 0.4, zinc oxide 5, stearic acid 2, oxidation inhibitor 2,5-ditert-butylhydro quinone-DTBHQ1, anti-aging agent RD 1.5, anti-aging agent OD 1.5, paraffin 2, extrude carbon black N66024, high abrasion furnace carbon black N330 63, dioctyl ester 20, attapulgite 30, captax 2, altax 1, promotor PZ 1 soon
The raw-material preparation of B sizing material:
Take by weighing fluororubber 246 90, Zinic stearas 1, anti-aging agent RD 2, the easy plain T-780.5 of glue, Lay mattress wax 1.5, extrude carbon black 50, potter's clay 12, dioctyl ester 6, four oxidations, two lead 5, vulcanizing agent DTDM 0.8, accelerant CZ 1.5 soon.
2, the preparation method of the line with rubber sizing material of butterfly valve may further comprise the steps:
The first step: prepare respectively A sizing material, B sizing material
One, the preparation of A sizing material
(1) plasticates: start Banbury mixer, paracril 3304 is dropped in the Banbury mixer plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, 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 again zinc oxide, stearic acid, anti-aging agent class, paraffin, after mixing 3-4 minute, after the adding attapulgite continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, added first the mixing 2-3 of 2/3 carbon black minute, and added again residue 1/3 carbon black, turned refining 2-3 minute, after adding again the abundant mixing 3-4 of dioctyl ester minute, 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) plasticates: start Banbury mixer, fluororubber 246 is dropped in the Banbury mixer plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, 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 again four oxidations, two lead, Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax, after mixing 3-4 minute, after adding potter's clay continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixing, added first the mixing 2-3 of 2/3 carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, after adding again the abundant mixing 3-4 of dioctyl ester minute, 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, 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, again carry out mixing, thin-pass 6-8 time, the rubber composite of the present invention that can make.
Testing data
The physicals of butterfly valve line with rubber sizing material of the present invention and common butterfly valve line with rubber sizing material detects and contrasts such as following table:
Oil-proofness, resistance toheat, resistance to air loss and the resistance to tearing of butterfly valve line with rubber sizing material of the present invention are all good than conventional butterfly valve line with rubber sizing material as can be seen from the table.
Claims (1)
1. the line with rubber sizing material of butterfly valve is characterized in that, it is by A, mixing the forming of B two portions rubber size, and A sizing material and B sizing material weight ratio are A:B=1:1, and the weight part of its two portions constitutive material is:
The A sizing material:
Paracril 3304 85-95, sulphur 0.3-0.5, zinc oxide 4-6, stearic acid 3-4, oxidation inhibitor 2,5-ditert-butylhydro quinone (DTBHQ) 1-2, anti-aging agent RD 1-2, anti-aging agent OD 1-2, paraffin 3-4, extrude carbon black N660 22-25, high abrasion furnace carbon black N330 62-65, dioctyl ester 18-22, attapulgite 25-35, captax 3-4, altax 1-2, promotor PZ 1-2 soon
The B sizing material:
Fluororubber 246 85-95, 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, extrude carbon black 45-55, potter's clay 10-14, dioctyl ester 5-8, four oxidations, two plumbous 4-6, vulcanizing agent DTDM 0.7-0.9, accelerant CZ 1-2 soon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110330455 CN102382340B (en) | 2011-10-27 | 2011-10-27 | Liner rubber material of liner rubber butterfly valve and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110330455 CN102382340B (en) | 2011-10-27 | 2011-10-27 | Liner rubber material of liner rubber butterfly valve and preparation method thereof |
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| CN102382340A CN102382340A (en) | 2012-03-21 |
| CN102382340B true CN102382340B (en) | 2013-01-02 |
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| CN103044823B (en) * | 2012-11-25 | 2016-05-04 | 安徽六方重联机械股份有限公司 | A kind of packaging plastic substrate film that contains fumarate |
| CN103275366B (en) * | 2013-06-25 | 2014-12-10 | 安徽铜都流体科技股份有限公司 | Rubber lining material of soft-seal sluice valve plate and preparation method of rubber lining material |
| CN103524953B (en) * | 2013-09-18 | 2016-05-04 | 铜陵新创流体科技有限公司 | A kind of antimicrobial sealing circle |
| CN103613799A (en) * | 2013-11-06 | 2014-03-05 | 安徽江威精密制造有限公司 | Capacitor rubber sealing pad with improved formula and preparation method thereof |
| CN103694512A (en) * | 2013-11-29 | 2014-04-02 | 马鞍山市中澜橡塑制品有限公司 | Butadiene-acrylonitrile rubber and fluororubber composite sealing gasket material and preparation method thereof |
| CN103694606A (en) * | 2013-11-29 | 2014-04-02 | 马鞍山市中澜橡塑制品有限公司 | Modified fluororubber sealing gasket material and preparation method thereof |
| CN103709465A (en) * | 2013-12-13 | 2014-04-09 | 芜湖佳诚电子科技有限公司 | Acid and alkali resistant leather cup material |
| CN103772858B (en) * | 2013-12-25 | 2016-02-17 | 铜陵日兴电子有限公司 | A kind of viton electrical condenser gasket and preparation method thereof |
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| CN101108903A (en) * | 2006-07-21 | 2008-01-23 | 广东工业大学 | Nitrile rubber sizing material using black pigment modifier |
| CN101205343A (en) * | 2007-11-16 | 2008-06-25 | 广州机械科学研究院 | Tear-resistant fluororubber shunt umbrella and preparation thereof |
| CN101805467A (en) * | 2009-12-08 | 2010-08-18 | 天津鹏翎胶管股份有限公司 | Formula of butyronitrile rubber/polyvinyl chloride co-mixed rubber ethanol resistance gasoline rubber pipe |
| CN102010529A (en) * | 2010-11-13 | 2011-04-13 | 天津鹏翎胶管股份有限公司 | Biodiesel-resistant nitrile rubber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63189489A (en) * | 1987-01-30 | 1988-08-05 | Nok Corp | Vulcanizable adhesive composition |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108903A (en) * | 2006-07-21 | 2008-01-23 | 广东工业大学 | Nitrile rubber sizing material using black pigment modifier |
| CN101205343A (en) * | 2007-11-16 | 2008-06-25 | 广州机械科学研究院 | Tear-resistant fluororubber shunt umbrella and preparation thereof |
| CN101805467A (en) * | 2009-12-08 | 2010-08-18 | 天津鹏翎胶管股份有限公司 | Formula of butyronitrile rubber/polyvinyl chloride co-mixed rubber ethanol resistance gasoline rubber pipe |
| CN102010529A (en) * | 2010-11-13 | 2011-04-13 | 天津鹏翎胶管股份有限公司 | Biodiesel-resistant nitrile rubber |
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