CN102367303B - Oil-resistant bend pipe rubber and its preparation method - Google Patents
Oil-resistant bend pipe rubber and its preparation method Download PDFInfo
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- CN102367303B CN102367303B CN201110259136.0A CN201110259136A CN102367303B CN 102367303 B CN102367303 B CN 102367303B CN 201110259136 A CN201110259136 A CN 201110259136A CN 102367303 B CN102367303 B CN 102367303B
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 43
- 239000005060 rubber Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title description 5
- 238000002156 mixing Methods 0.000 claims abstract description 37
- 239000006229 carbon black Substances 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 19
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000005864 Sulphur Substances 0.000 claims abstract description 11
- 235000019484 Rapeseed oil Nutrition 0.000 claims abstract description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000292 calcium oxide Substances 0.000 claims abstract description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011787 zinc oxide Substances 0.000 claims abstract description 8
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 31
- 238000004513 sizing Methods 0.000 claims description 22
- 230000003712 anti-aging effect Effects 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- XENVCRGQTABGKY-ZHACJKMWSA-N chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 claims description 14
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 238000007334 copolymerization reaction Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 239000004816 latex Substances 0.000 claims description 7
- 229920000126 latex Polymers 0.000 claims description 7
- XMFOQHDPRMAJNU-UHFFFAOYSA-N lead(ii,iv) oxide Chemical compound O1[Pb]O[Pb]11O[Pb]O1 XMFOQHDPRMAJNU-UHFFFAOYSA-N 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 101100099821 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) cbs-1 gene Proteins 0.000 claims description 3
- 235000019198 oils Nutrition 0.000 abstract description 6
- 238000010058 rubber compounding Methods 0.000 abstract description 3
- 230000003679 aging effect Effects 0.000 abstract description 2
- 229940126062 Compound A Drugs 0.000 abstract 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 238000003878 thermal aging Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 8
- 238000004073 vulcanization Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses an oil-resistant neoprene bend pipe rubber. Its rubber compound A comprises the following components of: by weight, neoprene CR121 100, 4-6 parts of magnesium oxide, 0.5-3 parts of eleaostearic acid, 2-8 parts of an antiager RD, 1-3 parts of an antiager 4010NA, 0.5-2 parts of an antiager RDA, 3-10 parts of Rhine wax, 0.5-1.5 parts of an antiager MB, 1-3.5 parts of a lubricant TR121, 10-20 parts of intermediate super high abrasion N220, 5-15 parts of N660 carbon black, 5-15 parts of precipitated silica, 3-8 parts of rapeseed oil, 4-12 parts of dibutyl ester, 2-8 parts of calcium oxide, 3-10 parts of zinc oxide, 0.1-0.5 part of an anti-scorching agent CTP, 0.3-1 part of sulphur, 0.5-1.5 parts of a promoter CBS and 0.1-0.2 part of a promoter Na-22. The oil-resistant bend pipe rubber is prepared by mixing the rubber compounds A and B. The rubber connecting bend pipe product produced by the rubber formulation has good thermal aging property, tearing resistance, oil resistance and excellent dynamic fatigue resistance.
Description
Technical field
The present invention relates to vulcanization of rubber field, be specifically related to a kind of oil-proofness chloroprene rubber for elbow and preparation method thereof.
Background technology
Each procedure technology requirement in the course of processing of chloroprene rubber for elbow formula, the requirement of material selection all should be rigorous, because the aging requirement of our normal natural gums is (70 DEG C × 96h) aging coefficient is 0.98 tensile strength-13%, pull apart rate-14% hardness+5sh.A; By the levelling of formula, now aging condition is risen to (100 DEG C × 70h) tensile strength-15%, pull apart rate-16% hardness+3sh.A.
Summary of the invention
The invention provides a kind of oil-proofness chloroprene rubber for elbow and preparation method thereof, the rubber bridge piece product that this rubber compounding is produced has good heat aging property, tear-resistant performance, oil resistant, and anti-dynamic fatigue property is excellent.
The present invention adopts following technical scheme to achieve these goals:
Oil-proofness chloroprene rubber for elbow, it is characterized in that it forms by A, B two portions rubber size equal proportion is mixing, the weight part of its two portions constitutive material is:
A sizing material:
Neoprene latex CR121 100, magnesium oxide 4-6, stearic acid 0.5-3, anti-aging agent RD 2-8, antioxidant 4010NA 1-3, anti-aging agent RD A0.5 ~ 2, antioxidant MB 0.5-1.5, Lay mattress wax 3-10, lubricant TR121 1-3.5, carbon black N220 10-20, carbon black N660 5-15, precipitated silica 5-15, rapeseed oil 3-8, dibutylester 4-12, calcium oxide 2-8, zinc oxide 3-10, anti-scorching agent CTP 0.1-0.5, sulphur S-80 0.3-1, accelerator CBS 0.5-1.5, accelerant N a-22 0.1-0.2,
B sizing material:
Unitary homopolymerization chlorohydrin rubber 82-87, copolymerization chlorohydrin rubber 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, fast extrusion carbon black 45-55, light calcium carbonate 10-14, dibutylester 5-8, tri-lead tetroxide 4-6, sulphur 0.4-0.6, accelerant N a-22 1-2.
Described oil-proofness chloroprene rubber for elbow, it is characterized in that it forms by A, B two portions rubber size equal proportion is mixing, the weight part of its two portions constitutive material is:
A sizing material:
Neoprene latex CR121 100, magnesium oxide 4, stearic acid 2, anti-aging agent RD 2, antioxidant 4010NA 1.5, anti-aging agent RD A1, antioxidant MB 1, Lay mattress wax 3, lubricant TR121 2, carbon black N220 20, carbon black N660 15, precipitated silica 10, rapeseed oil 8, dibutylester 10, calcium oxide 5, zinc oxide 5, anti-scorching agent CTP 0.3, sulphur S-80 0.4, accelerator CBS 1, accelerant N a-22 0.2;
B sizing material:
The easy plain T-78 0.5 of unitary homopolymerization chlorohydrin rubber 85, copolymerization chlorohydrin rubber 15, Zinic stearas 1, anti-aging agent RD 2, glue, Lay mattress wax 1.5, fast extrusion carbon black 50, light calcium carbonate 12, dibutylester 6, tri-lead tetroxide 5, sulphur 0.5, accelerant N a-22 1.5.
The preparation method of described oil-proofness chloroprene rubber for elbow, is characterized in that comprising the following steps:
A sizing material:
(1) plasticate: start Banbury mixer, neoprene latex is dropped in Banbury mixer and plasticates, after plasticating 15-25 minute, when temperature reaches 95-105 DEG C, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add magnesium oxide, stearic acid, anti-aging agent class, Lay mattress wax again, after mixing 3-4 minute, add calcium oxide, after lubricant TR121 continues 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 residue 1/3 carbon black again, turn refining 2-3 minute, again with after rapeseed oil, the abundant mixing 3-4 of dibutylester minute, when temperature reaches 85-90 DEG C, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials dropped in mill, first add zinc oxide, add in rubber unvulcanizate by vulcanizing agent class, promotor class, scorch retarder class again, and thin-pass 5-7 is all over obtaining mixed sizing material, processing temperature≤60 DEG C of mill;
B sizing material:
(1) plasticate: start Banbury mixer, unitary homopolymerization chlorohydrin rubber and copolymerization chlorohydrin rubber are dropped in Banbury mixer and plasticates, after plasticating 15-25 minute, when temperature reaches 110-120 DEG C, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in 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, add after light calcium carbonate continues 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 residue 1/3 carbon black again, turn refining 2-3 minute, after adding the abundant mixing 3-4 of dibutylester DBP minute again, when temperature reaches 85-90 DEG C, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials dropped in mill, first add tri-lead tetroxide, add in rubber unvulcanizate by vulcanizing agent class, promotor class again, and thin-pass 5-7 is all over obtaining B sizing material, processing temperature≤60 DEG C of mill.
After above-mentioned obtained A sizing material and the mixing of B sizing material equal proportion, join in mill, again carry out mixing, thin-pass 6-8 time, the elastomeric material of the present invention that can make.
Beneficial effect of the present invention:
Carbon black and vulcanization system super carbon black N220 and general purpose furnace black N660 in selecting in formula, and conventional curative system combines, and improves flex fatig resistance and the dynamic fatigue property of cross-linked rubber.
Rubber unvulcanizate of the present invention can substitute the product such as sebific duct, protecting jacket, snubber block requiring 70 degree of (shore) chloroprene rubbers; In the sizing material aging resistance energy superelevation 20 ~ 105% that analogous products colleague uses, by A, B rubber compounding, improve the oil-proofness of product.
Concrete advantage is:
1, aterrimus sizing material, rubber unvulcanizate good fluidity, be easy to sulfuration processing, qualification rate is high;
2, there is good over-all properties, strong with metal adhesion; Mechanical property, fatigue property, the performance such as ageing-resistant are all higher, are applicable to the product such as automotive hose, dw of heat-resisting, the resistance to ozone of production requirement, Weather-resistant, resistance to combustion, oil-proofness.
Embodiment
Part used in embodiment, is weight part.
Embodiment one:
Prepared by A sizing material:
Take neoprene latex CR121 100, magnesium oxide 4, stearic acid 2, anti-aging agent RD 2, antioxidant 4010NA 1.5, anti-aging agent RD A1, Lay mattress wax 3, antioxidant MB 1, lubricant TR121 2, middle super-high wear-resistant N220 20, N660 carbon black 15, precipitated silica 10, rapeseed oil 8, dibutylester 10, calcium oxide 5, zinc oxide 5, anti-scorching agent CTP 0.3, sulphur 0.4, accelerator CBS 1, accelerant N a-22 0.2.
(1) plasticate: start Banbury mixer, neoprene latex is dropped in Banbury mixer and plasticates, after plasticating 15-25 minute, when temperature reaches 95-105 DEG C, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add magnesium oxide, stearic acid, anti-aging agent class, Lay mattress wax again, after mixing 3-4 minute, add calcium oxide, after lubricant TR121 continues 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 residue 1/3 carbon black again, turn refining 2-3 minute, again with after rapeseed oil, the abundant mixing 3-4 of dibutylester minute, when temperature reaches 85-90 DEG C, start discharge, park cooling after discharge 24 hours;
(3) vulcanization system adds: above-mentioned mixing materials dropped in mill, first add zinc oxide, add in rubber unvulcanizate by vulcanizing agent class, promotor class, scorch retarder class again, thin-pass can obtain mixed sizing material 6 times, processing temperature≤60 DEG C of mill.
Prepared by B sizing material:
Take unitary homopolymerization chlorohydrin rubber 85, copolymerization chlorohydrin rubber 15, Zinic stearas 1, anti-aging agent RD 2, the easy plain T-78 0.5 of glue, Lay mattress wax 1.5, fast extrusion carbon black 50, light calcium carbonate 12, dibutylester 6, tri-lead tetroxide 5, sulphur 0.5, accelerant N a-22 1.5.
(1) plasticate: start Banbury mixer, unitary homopolymerization chlorohydrin rubber and copolymerization chlorohydrin rubber are dropped in Banbury mixer and plasticates, after plasticating 15-25 minute, when temperature reaches 110-120 DEG C, start discharge, after discharge, park cooling 23-25 hour;
(2) mixing: above-mentioned cooled broken-(down)rubber is joined in 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, add after light calcium carbonate continues 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 residue 1/3 carbon black again, turn refining 2-3 minute, after adding the abundant mixing 3-4 of dibutylester DBP minute again, when temperature reaches 85-90 DEG C, start discharge, after discharge, park cooling 23-25 hour;
(3) vulcanization system adds: above-mentioned mixing materials dropped in mill, first add tri-lead tetroxide, add in rubber unvulcanizate by vulcanizing agent class, promotor class again, and thin-pass 5-7 is all over obtaining B sizing material, processing temperature≤60 DEG C of mill.
After above-mentioned obtained A sizing material and the mixing of B sizing material equal proportion, join in mill, again carry out mixing, thin-pass 6-8 time, the rubber composite of the present invention that can make.
Testing data
Contrast as following table with oil-resistance rubber for chloroprene rubber bent pipe material of the present invention and generic connectivity bend pipe properties of rubber used:
As can be seen from the table by the over-all properties of rubber mass of the present invention apparently higher than generic connectivity pipe rubber mass performance used.Oil resistance detects according to ASTM D471 standard, and after immersion oil, rate of expansion is 7.1%.
Claims (2)
1. oil-proofness chloroprene rubber for elbow, it is characterized in that it forms by A, B two portions rubber size equal proportion is mixing, the weight part of its two portions constitutive material is:
A sizing material:
Neoprene latex CR121100, magnesium oxide 4-6, stearic acid 0.5-3, anti-aging agent RD 2-8, antioxidant 4010NA 1-3, anti-aging agent RD A0.5 ~ 2, antioxidant MB 0.5-1.5, Lay mattress wax 3-10, lubricant TR1211-3.5, carbon black N22010-20, carbon black N6605-15, precipitated silica 5-15, rapeseed oil 3-8, dibutylester 4-12, calcium oxide 2-8, zinc oxide 3-10, anti-scorching agent CTP 0.1-0.5, sulphur S-800.3-1, accelerator CBS 0.5-1.5, accelerant N a-220.1-0.2;
B sizing material:
Unitary homopolymerization chlorohydrin rubber 82-87, copolymerization chlorohydrin rubber 12-18, Zinic stearas 1-2, anti-aging agent RD 1-3, the easy plain T-780.4-0.6 of glue, Lay mattress wax 1-2, fast extrusion carbon black 45-55, light calcium carbonate 10-14, dibutylester 5-8, tri-lead tetroxide 4-6, sulphur 0.4-0.6, accelerant N a-221-2.
2. oil-proofness chloroprene rubber for elbow according to claim 1, it is characterized in that it forms by A, B two portions rubber size equal proportion is mixing, the weight part of its two portions constitutive material is:
A sizing material:
Neoprene latex CR121100, magnesium oxide 4, stearic acid 2, anti-aging agent RD 2, antioxidant 4010NA 1.5, anti-aging agent RD A1, antioxidant MB 1, Lay mattress wax 3, lubricant TR1212, carbon black N22020, carbon black N66015, precipitated silica 10, rapeseed oil 8, dibutylester 10, calcium oxide 5, zinc oxide 5, anti-scorching agent CTP 0.3, sulphur S-800.4, accelerator CBS 1, accelerant N a-220.2;
B sizing material:
The easy plain T-780.5 of unitary homopolymerization chlorohydrin rubber 85, copolymerization chlorohydrin rubber 15, Zinic stearas 1, anti-aging agent RD 2, glue, Lay mattress wax 1.5, fast extrusion carbon black 50, light calcium carbonate 12, dibutylester 6, tri-lead tetroxide 5, sulphur 0.5, accelerant N a-221.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110259136.0A CN102367303B (en) | 2011-09-02 | 2011-09-02 | Oil-resistant bend pipe rubber and its preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110259136.0A CN102367303B (en) | 2011-09-02 | 2011-09-02 | Oil-resistant bend pipe rubber and its preparation method |
Publications (2)
| Publication Number | Publication Date |
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| CN102367303A CN102367303A (en) | 2012-03-07 |
| CN102367303B true CN102367303B (en) | 2014-12-31 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0246745A2 (en) * | 1986-05-23 | 1987-11-25 | UNIROYAL CHEMICAL COMPANY, Inc. | Elastomeric composition |
| CN101353451A (en) * | 2007-07-25 | 2009-01-28 | 比亚迪股份有限公司 | A kind of oil resistant low temperature resistant rubber composition |
| CN101922594A (en) * | 2010-02-09 | 2010-12-22 | 徐州胜海机械制造科技有限公司 | Solid material transporting elbow with detachable and changeable liner |
-
2011
- 2011-09-02 CN CN201110259136.0A patent/CN102367303B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0246745A2 (en) * | 1986-05-23 | 1987-11-25 | UNIROYAL CHEMICAL COMPANY, Inc. | Elastomeric composition |
| CN101353451A (en) * | 2007-07-25 | 2009-01-28 | 比亚迪股份有限公司 | A kind of oil resistant low temperature resistant rubber composition |
| CN101922594A (en) * | 2010-02-09 | 2010-12-22 | 徐州胜海机械制造科技有限公司 | Solid material transporting elbow with detachable and changeable liner |
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| CN102367303A (en) | 2012-03-07 |
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