CN102417628A - O-shaped seal ring rubber sizing material of parallel gate valve end surfaces and preparation method thereof - Google Patents
O-shaped seal ring rubber sizing material of parallel gate valve end surfaces and preparation method thereof Download PDFInfo
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- CN102417628A CN102417628A CN2011103364006A CN201110336400A CN102417628A CN 102417628 A CN102417628 A CN 102417628A CN 2011103364006 A CN2011103364006 A CN 2011103364006A CN 201110336400 A CN201110336400 A CN 201110336400A CN 102417628 A CN102417628 A CN 102417628A
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Abstract
The invention discloses an O-shaped seal ring rubber sizing material of parallel gate valve end surfaces, which is formed by mixing a rubber sizing material A and a rubber sizing material B, wherein the rubber sizing material A comprises the following raw materials in part by weight: 85-95 parts of nitrile rubber 3304, 0.3-0.5 parts of sulphur, 4-6 parts of zinc oxide, 1-1.5 parts of stearic acid, 1-2 parts of 2,6-Di-tert-butyl-p-methyl phenol (BHT), 1-2 parts of anti-aging agent RD, 1-2 parts of anti-aging agent 4010Na, 3-4 parts of microcrystalline wax, 22-25 parts of fast extruding carbon black N660, 62-65 parts of high wear-resistant carbon block N330, 18-22 parts of dioctyl phthalate, 10-15 parts of magnesium carbonate, 3-4 parts of accelerator M, 1-2 parts of 2,2'-dibenzothiazoledisulfde (DM) and 1-2 parts of accelerator PZ; and the rubber sizing material B comprises the following raw materials in part by weight: 82-87 parts of polyacrylate rubber, 13-18 parts of silicon rubber, 1-2 parts of zinc stearate, 1-3 parts of anti-aging agent RD, 0.4-0.6 parts of gum easyT-78, 1-2 parts of Rhine wax, 45-55 parts of fast extruding carbon black, 10-14 parts of quartz powder, 5-8 parts of hydroxy silicone oil, 4-6 parts of Pb2O4, 0.7-0.9 parts of Trithiocyanuric acid (TCY) and 1-2 parts of accelerator Na-2. The seal ring rubber lining sizing material disclosed by the invention has good comprehensive performance. The produced O-shaped seal ring of the parallel gate valve end surfaces has the characteristics of good gas tightness, weather resistance, low temperature resistance, oil resistance and the like, and also has low material cost.
Description
Technical field
The present invention relates to the rubber composite manufacture field, be specifically related to Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size and preparation method thereof.
Background technology
In fluid-duct-system; Valve is a controlling elements; It mainly acts on is xegregating unit and tubing system, regulate flow, anti-backflow, adjusting and drainage pressure, and therefore stopping property and the corrosion resistance nature to valve requires than higher, and high temperature resistant, the corrosion resistance nature of existing casting gate valve are not fine; Resistance to elevated temperatures, the corrosion resistance nature of existing Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size is not very desirable; Though the corrosion resistance and good that has, raw-material costing an arm and a leg, cost is high.
Summary of the invention
The invention provides Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size and preparation method thereof; The Parallel gate valve Parallel slide valve end face O RunddichtringO of producing with sizing material of the present invention has characteristics such as good air-tightness, 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:
Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size 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 3304 85-95, sulphur 0.3-0.5, zinc oxide 4-6, Triple Pressed Stearic Acid 1-1.5, antioxidant BHT 1-2, anti-aging agent RD 1-2, antioxidant 4010 Na 1-2, Microcrystalline Wax 3-4, extrude carbon black N660 22-25, high wear-resistant carbon black N330 62-65, dioctyl ester 18-22, magnesiumcarbonate 10-15, captax 3-4, altax 1-2, promotor PZ 1-2 soon
The B sizing material:
Polyacrylic rubber 82-87, Zylox 13-18, Zinic stearas 1-2, anti-aging agent RD 1-3, glue are prone to plain T-78 0.4-0.6, Lay mattress wax 1-2, extrude carbon black 45-55, silica powder 10-14, hydroxy silicon oil 5-8, four oxidations, two plumbous 4-6, vulcanizing agent TCY 0.7-0.9, accelerant N a-22 1-2 soon.
Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size 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 3,304 90, sulphur 0.4, zinc oxide 5, Triple Pressed Stearic Acid 1.5, antioxidant BHT 1.5, anti-aging agent RD 1.5, antioxidant 4010 Na1.5, Microcrystalline Wax 3.5, extrude carbon black N660 24, high wear-resistant carbon black N330 63, dioctyl ester 20, magnesiumcarbonate 12, captax 3.5, altax 1.5, promotor PZ 1.5 soon
The B sizing material:
Polyacrylic rubber 85, Zylox 15, Zinic stearas 1.5, anti-aging agent RD 2, glue are prone to plain T-780.5, Lay mattress wax 1.5, extrude that carbon black 50, silica powder 10, hydroxy silicon oil 6, four oxidations two are plumbous 5 soon, vulcanizing agent TCY 0.8, accelerant N a-22 1-2.
The preparation method of Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size is characterized in that 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, paracril 3304 is dropped in the Banbury mixer plasticate, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add zinc oxide, Triple Pressed Stearic Acid, anti-aging agent class, Microcrystalline Wax again, after mixing 3-4 minute; Add after magnesiumcarbonate continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixingly, added 2/3 carbon black mixing 2-3 minute earlier; Add again the residue 1/3 carbon black, turned refining 2-3 minute, add the abundant mixing 3-4 of dioctyl ester minute again after; 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 logical 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, polyacrylic rubber, Zylox are dropped in the Banbury mixer by formula rate plasticate, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add four oxidations, two lead, Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax again, after mixing 3-4 minute; Add after silica powder continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixingly, added 2/3 carbon black mixing 2-3 minute earlier; Add residue 1/3 carbon black again; Turned refining 2-3 minute, add the abundant mixing 3-4 of hydroxy silicon oil 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 logical 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, carry out once more mixing, thin logical 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 comprehensive performances, has characteristics such as good air-tightness, weathering resistance, lower temperature resistance and oil-proofness with the gate valve O RunddichtringO of rubber mass production of the present invention, 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, Triple Pressed Stearic Acid 1.5, antioxidant BHT 1.5, anti-aging agent RD 1.5, antioxidant 4010 Na1.5, Microcrystalline Wax 3.5, extrude carbon black N660 24, high wear-resistant carbon black N330 63, dioctyl ester 20, magnesiumcarbonate 12, captax 3.5, altax 1.5, promotor PZ 1.5 soon
The raw-material preparation of B sizing material:
Take by weighing that polyacrylic rubber 85, Zylox 15, Zinic stearas 1.5, anti-aging agent RD 2, glue are prone to plain T-78 0.5, Lay mattress wax 1.5, extrude that carbon black 50, silica powder 10, hydroxy silicon oil 6, four oxidations two are plumbous 5 soon, vulcanizing agent TCY 0.8, accelerant N a-22 1-2.
2, the preparation method of Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size 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, paracril 3304 is dropped in the Banbury mixer plasticate, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add zinc oxide, Triple Pressed Stearic Acid, anti-aging agent class, Microcrystalline Wax again, after mixing 3-4 minute; Add after magnesiumcarbonate continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixingly, added 2/3 carbon black mixing 2-3 minute earlier; Add again the residue 1/3 carbon black, turned refining 2-3 minute, add the abundant mixing 3-4 of dioctyl ester minute again after; 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 logical 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, polyacrylic rubber, Zylox are dropped in the Banbury mixer by formula rate plasticate, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add four oxidations, two lead, Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax again, after mixing 3-4 minute; Add after silica powder continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixingly, added 2/3 carbon black mixing 2-3 minute earlier; Add residue 1/3 carbon black again; Turned refining 2-3 minute, add the abundant mixing 3-4 of hydroxy silicon oil 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 logical 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: 1 mix after, join in the mill, carry out mixingly once more, thin logical 6-8 time, can make rubber composite of the present invention.
Testing data
Gate-valve sealing circle sizing material of the present invention and common Gate-valve sealing physical properties of rubber compound detect and contrast like following table:
From table, can find out that oil-proofness, resistance toheat, resistance to air loss and the resistance to tearing of Gate-valve sealing circle sizing material of the present invention are all good than conventional Gate-valve sealing sizing material.
Claims (3)
1. Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size 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 3304 85-95, sulphur 0.3-0.5, zinc oxide 4-6, Triple Pressed Stearic Acid 1-1.5, antioxidant BHT 1-2, anti-aging agent RD 1-2, antioxidant 4010 Na 1-2, Microcrystalline Wax 3-4, extrude carbon black N660 22-25, high wear-resistant carbon black N330 62-65, dioctyl ester 18-22, magnesiumcarbonate 10-15, captax 3-4, altax 1-2, promotor PZ 1-2 soon
The B sizing material:
Polyacrylic rubber 82-87, Zylox 13-18, Zinic stearas 1-2, anti-aging agent RD 1-3, glue are prone to plain T-78 0.4-0.6, Lay mattress wax 1-2, extrude carbon black 45-55, silica powder 10-14, hydroxy silicon oil 5-8, four oxidations, two plumbous 4-6, vulcanizing agent TCY 0.7-0.9, accelerant N a-22 1-2 soon.
2. Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size according to claim 1 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 3,304 90, sulphur 0.4, zinc oxide 5, Triple Pressed Stearic Acid 1.5, antioxidant BHT 1.5, anti-aging agent RD 1.5, antioxidant 4010 Na1.5, Microcrystalline Wax 3.5, extrude carbon black N660 24, high wear-resistant carbon black N330 63, dioctyl ester 20, magnesiumcarbonate 12, captax 3.5, altax 1.5, promotor PZ 1.5 soon
The B sizing material:
Polyacrylic rubber 85, Zylox 15, Zinic stearas 1.5, anti-aging agent RD 2, glue are prone to plain T-78 0.5, Lay mattress wax 1.5, extrude that carbon black 50, silica powder 10, hydroxy silicon oil 6, four oxidations two are plumbous 5 soon, vulcanizing agent TCY 0.8, accelerant N a-22 1-2.
3. the preparation method of Parallel gate valve Parallel slide valve end face O RunddichtringO rubber size as claimed in claim 1 is characterized in that 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, paracril 3304 is dropped in the Banbury mixer plasticate, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add zinc oxide, Triple Pressed Stearic Acid, anti-aging agent class, Microcrystalline Wax again, after mixing 3-4 minute; Add after magnesiumcarbonate continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixingly, added 2/3 carbon black mixing 2-3 minute earlier; Add again the residue 1/3 carbon black, turned refining 2-3 minute, add the abundant mixing 3-4 of dioctyl ester minute again after; 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 logical 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, polyacrylic rubber, Zylox are dropped in the Banbury mixer by formula rate plasticate, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add four oxidations, two lead, Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax again, after mixing 3-4 minute; Add after silica powder continues mixing 2-3 minute, again the carbon black class is added at twice wherein mixingly, added 2/3 carbon black mixing 2-3 minute earlier; Add residue 1/3 carbon black again; Turned refining 2-3 minute, add the abundant mixing 3-4 of hydroxy silicon oil 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 logical 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, carry out once more mixing, thin logical 6-8 time, the rubber composite of the present invention that can make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103364006A CN102417628A (en) | 2011-10-31 | 2011-10-31 | O-shaped seal ring rubber sizing material of parallel gate valve end surfaces and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103364006A CN102417628A (en) | 2011-10-31 | 2011-10-31 | O-shaped seal ring rubber sizing material of parallel gate valve end surfaces and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732038A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Temperature-resistant silicone-rubber-mixed rubber sealing ring |
| CN102977532A (en) * | 2012-11-27 | 2013-03-20 | 天津鹏翎胶管股份有限公司 | Acrylate rubber composition |
| CN103044830A (en) * | 2012-11-25 | 2013-04-17 | 马鞍山市中澜橡塑制品有限公司 | Sealing rubber for butterfly valve and preparation method thereof |
| CN103725007A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Mouldproof O-shaped ring |
| CN105482192A (en) * | 2015-12-22 | 2016-04-13 | 芜湖恒坤汽车部件有限公司 | Oil resistant rubber ring material composition and preparation method of oil resistant rubber ring |
| CN108395590A (en) * | 2018-02-28 | 2018-08-14 | 天长市荣盛有机硅科技有限公司 | A kind of composite silicone rubber material applied widely |
| CN109054128A (en) * | 2018-07-27 | 2018-12-21 | 山东溢华阀业有限公司 | A kind of heat resistant and wear resistant damage O-ring rubber raw materials |
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| CN101205317A (en) * | 2007-11-30 | 2008-06-25 | 北京化工大学 | Preparation of high-damping rubber containing hindered phenol terminated hyper branched polymer |
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| CN101205317A (en) * | 2007-11-30 | 2008-06-25 | 北京化工大学 | Preparation of high-damping rubber containing hindered phenol terminated hyper branched polymer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732038A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Temperature-resistant silicone-rubber-mixed rubber sealing ring |
| CN103044830A (en) * | 2012-11-25 | 2013-04-17 | 马鞍山市中澜橡塑制品有限公司 | Sealing rubber for butterfly valve and preparation method thereof |
| CN102977532A (en) * | 2012-11-27 | 2013-03-20 | 天津鹏翎胶管股份有限公司 | Acrylate rubber composition |
| CN103725007A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Mouldproof O-shaped ring |
| CN105482192A (en) * | 2015-12-22 | 2016-04-13 | 芜湖恒坤汽车部件有限公司 | Oil resistant rubber ring material composition and preparation method of oil resistant rubber ring |
| CN108395590A (en) * | 2018-02-28 | 2018-08-14 | 天长市荣盛有机硅科技有限公司 | A kind of composite silicone rubber material applied widely |
| CN109054128A (en) * | 2018-07-27 | 2018-12-21 | 山东溢华阀业有限公司 | A kind of heat resistant and wear resistant damage O-ring rubber raw materials |
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Application publication date: 20120418 |