CN102417632B - Rubber lining material for rubber lining butterfly valve and production method thereof - Google Patents
Rubber lining material for rubber lining butterfly valve and production method thereof Download PDFInfo
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- CN102417632B CN102417632B CN201110336695.7A CN201110336695A CN102417632B CN 102417632 B CN102417632 B CN 102417632B CN 201110336695 A CN201110336695 A CN 201110336695A CN 102417632 B CN102417632 B CN 102417632B
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- rubber lining
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- butterfly valve
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Abstract
The invention discloses a rubber lining material of a corrosion-resistant rubber lining butterfly valve, the rubber lining material is formed by mixing rubber lining materials A and rubber lining materials B, wherein the two parts respectively comprise raw materials in part by weight as follows: the rubber lining materials A: 85-95 of nitrile rubber 3304, 0.3-0.5 of sulphur, 4-6 of zinc oxide No. 1, 3-4 of stearic acid, 1-2 of antioxidant BHT, 1-2 of antiager RD, 1-2 of antiager 40201, 3-4 of paraffin, 22-25 of quick extrusion black carbon N660, 62-65 of high abrasion furnace black N330, 18-22 of dibutyl phthalate, 10-20 of kieselguhr, 15-25 of activated calcium carbonate, 3-4 of accelerant M, 1-2 of 2,2'-dibenzothiazoledisulfde (DM) and 1-2 accelerant PZ; and the rubber lining materials B: 82-87 of lactoprene, 13-18 of epichlorohydrin copolymer, 1-2 of zinc stearate, 1-3 of antiager RD, 0.4-0.6 of gum easy T-78, 1-2 of Rhein paraffin, 45-55 of quick extrusion black carbon, 10-14 of kieselguhr, 5-8 of dibutyl phthalate, 4-6 of lead tetroxide, 0.8 of vulcanizer TCY and 1-2 of accelerant Na-22. The rubber lining material has good comprehensive performance, the rubber lining butterfly valve which is obtained after vulcanization has the characteristics of good air tightness, weather resistance, low temperature resistance, oil resistance and the like, and simultaneously has low material cost.
Description
Technical field
The present invention relates to rubber composite manufacture field, be specifically related to a kind of lining material for rubber lining for 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, anti-backflow, adjusting and drainage pressure, therefore to the stopping property of valve and corrosion resistance nature, require higher, 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 applied, the resistance to elevated temperatures of the existing lining material for rubber lining for butterfly valve, corrosion resistance nature are not very desirable, although the corrosion resistance and good having, but raw-material expensive, cost is high.
Summary of the invention
The invention provides a kind of lining material for rubber lining for butterfly valve and preparation method thereof, by 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 features 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:
A lining material for rubber lining for 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:
A sizing material:
Paracril 330485-95 sulphur 0.3-0.5, No. 1 zinc oxide 4-6, stearic acid 3-4, antioxidant BHT 1-2, anti-aging agent RD 1-2, antioxidant 4020 1-2, paraffin 3-4, extrude carbon black N660 22-25, high abrasion furnace carbon black N330 62-65, SA dioctyl ester 18-22, diatomite 10-20, activated Calcium carbonate 15-25, captax 3-4, altax 1-2, promotor PZ 1-2 soon
B sizing material:
Polyacrylic rubber 82-87, copolymerization epichlorohydrin rubber 13-18, 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, extrude carbon black 45-55, diatomite 10-14, SA dioctyl ester 5-8, four oxidation two plumbous 4-6, vulcanizing agent TCY 0.7-0.9, accelerant N a-22 1-2 soon.
Described a kind of lining material for rubber lining for 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:
A sizing material:
Paracril 3,304 90,0.4, No. 1 zinc oxide 5 of sulphur, stearic acid 2, anti-aging agent RD 1.5, antioxidant 4020 1.5, paraffin 2, extrude carbon black N660 24, high abrasion furnace carbon black N330 63, SA dioctyl ester 20, diatomite 15, activated Calcium carbonate 20, captax 2, altax 1, promotor PZ 1 soon
B sizing material:
Polyacrylic rubber 85, copolymerization epichlorohydrin rubber 15, 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, diatomite 12, SA dioctyl ester 6, four oxidation two lead 5, vulcanizing agent TCY 0.8, accelerant N a-22 1.5 soon.
The preparation method of described a kind of lining material for rubber lining for butterfly valve, 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, paracril 3304 is dropped in Banbury mixer and plasticated, plasticate after 15-25 minute, when temperature reaches 110-120 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again No. 1 zinc oxide, stearic acid, anti-aging agent class, paraffin, after mixing 3-4 minute, add diatomite, activated Calcium carbonate to continue after mixing 2-3 minute, again 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 after the abundant mixing 3-4 of SA dioctyl ester 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 class are added in rubber unvulcanizate, thin-pass 5-7 is all over obtaining A sizing material, processing temperature≤60 ℃ of mill;
Two, the preparation of B sizing material
(1) plasticate: start Banbury mixer, polyacrylic rubber, copolymerization epichlorohydrin rubber are dropped in Banbury mixer and plasticated by formula rate, plasticate after 15-25 minute, when temperature reaches 110-120 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again four oxidation two lead, Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax, after mixing 3-4 minute, add diatomite, activated Calcium carbonate to continue after mixing 2-3 minute, again 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 after the abundant mixing 3-4 of SA dioctyl ester 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 B sizing material, processing temperature≤60 ℃ of mill.
Second step: A sizing material and B sizing material mixing
By the above-mentioned A sizing material making and B sizing material by weight being A: B=(1-2): 1 mix after, join in 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, by 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 features such as good resistance to air loss, weathering resistance, lower temperature resistance and oil-proofness, and the cost of material is low simultaneously.
Embodiment
Part used in embodiment, is weight part.
Embodiment mono-:
1, starting material are prepared:
The raw-material preparation of A sizing material:
Take 0.4, No. 1 zinc oxide 5 of paracril 3,304 90 sulphur, stearic acid 2, antioxidant BHT 1, anti-aging agent RD 1.5, antioxidant 4020 1.5, paraffin 2, extrude carbon black N660 24, high abrasion furnace carbon black N330 63, SA dioctyl ester 20, diatomite 15, activated Calcium carbonate 20, captax 2, altax 1, promotor PZ 1 soon
The raw-material preparation of B sizing material:
Take polyacrylic rubber 85, copolymerization epichlorohydrin rubber 15, 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, diatomite 12, SA dioctyl ester 6, four oxidation two lead 5, vulcanizing agent TCY 0.8, accelerant N a-22 1.5 soon.
2, for a preparation method for the lining material for rubber lining of butterfly valve, comprise 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, paracril 3304 is dropped in Banbury mixer and plasticated, plasticate after 15-25 minute, when temperature reaches 110-120 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again No. 1 zinc oxide, stearic acid, anti-aging agent class, paraffin, after mixing 3-4 minute, add diatomite, activated Calcium carbonate to continue after mixing 2-3 minute, again 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 after the abundant mixing 3-4 of SA dioctyl ester 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 class is added in rubber unvulcanizate, thin-pass 5-7 is all over obtaining A sizing material, processing temperature≤60 ℃ of mill;
Two, the preparation of B sizing material
(1) plasticate: start Banbury mixer, polyacrylic rubber, copolymerization epichlorohydrin rubber are dropped in Banbury mixer and plasticated by formula rate, plasticate after 15-25 minute, when temperature reaches 110-120 ℃, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again four oxidation two lead, Zinic stearas, anti-aging agent class, the easy plain T-78 of glue, Lay mattress wax, after mixing 3-4 minute, add diatomite to continue after mixing 2-3 minute, again 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 after the abundant mixing 3-4 of SA dioctyl ester 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 B sizing material, processing temperature≤60 ℃ of mill.
Second step: A sizing material and B sizing material mixing
After the above-mentioned A sizing material making and B sizing material equal proportion are mixed, join in 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 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. for a lining material for rubber lining for butterfly valve, it 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:
A sizing material:
Paracril 3304 85-95, sulphur 0.3-0.5, No. 1 zinc oxide 4-6, stearic acid 3-4, antioxidant BHT 1-2, anti-aging agent RD 1-2, antioxidant 4020 1-2, paraffin 3-4, extrude carbon black N660 22-25, high abrasion furnace carbon black N330 62-65, dioctyl sebacate 18-22, diatomite 10-20, activated Calcium carbonate 15-25, captax 3-4, altax 1-2, promotor PZ 1-2 soon
B sizing material:
Polyacrylic rubber 82-87, copolymerization epichlorohydrin rubber 13-18, 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, extrude carbon black 45-55, diatomite 10-14, dioctyl sebacate 5-8, four oxidation two plumbous 4-6, vulcanizing agent TCY 0.7-0.9, accelerant N a-22 1-2 soon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110336695.7A CN102417632B (en) | 2011-10-31 | 2011-10-31 | Rubber lining material for rubber lining butterfly valve and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110336695.7A CN102417632B (en) | 2011-10-31 | 2011-10-31 | Rubber lining material for rubber lining butterfly valve and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102417632A CN102417632A (en) | 2012-04-18 |
| CN102417632B true CN102417632B (en) | 2014-08-20 |
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| CN201110336695.7A Expired - Fee Related CN102417632B (en) | 2011-10-31 | 2011-10-31 | Rubber lining material for rubber lining butterfly valve and production method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353451A (en) * | 2007-07-25 | 2009-01-28 | 比亚迪股份有限公司 | Oil resistant low temperature resistant rubber composition |
| CN101987889A (en) * | 2009-08-07 | 2011-03-23 | 焦玉怀 | Rubber and plastic alloy material |
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2011
- 2011-10-31 CN CN201110336695.7A patent/CN102417632B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353451A (en) * | 2007-07-25 | 2009-01-28 | 比亚迪股份有限公司 | Oil resistant low temperature resistant rubber composition |
| CN101987889A (en) * | 2009-08-07 | 2011-03-23 | 焦玉怀 | Rubber and plastic alloy material |
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| Publication number | Publication date |
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| CN102417632A (en) | 2012-04-18 |
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