CN102367296B - High oil-resistant sealing element rubber material and its preparation method - Google Patents
High oil-resistant sealing element rubber material and its preparation method Download PDFInfo
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- CN102367296B CN102367296B CN201110259092.1A CN201110259092A CN102367296B CN 102367296 B CN102367296 B CN 102367296B CN 201110259092 A CN201110259092 A CN 201110259092A CN 102367296 B CN102367296 B CN 102367296B
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 title claims abstract description 50
- 239000005060 rubber Substances 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title description 12
- 239000006229 carbon black Substances 0.000 claims abstract description 27
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000005864 Sulphur Substances 0.000 claims abstract description 10
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 7
- 239000012188 paraffin wax Substances 0.000 claims abstract description 7
- 239000001993 wax Substances 0.000 claims abstract description 7
- 239000011787 zinc oxide Substances 0.000 claims abstract description 7
- 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 5
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 37
- 238000004513 sizing Methods 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 230000003712 anti-aging effect Effects 0.000 claims description 12
- XENVCRGQTABGKY-ZHACJKMWSA-N chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 claims description 12
- -1 dioctyl ester Chemical class 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000004073 vulcanization Methods 0.000 claims description 8
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 7
- 235000021355 Stearic acid Nutrition 0.000 claims description 6
- 238000007334 copolymerization reaction Methods 0.000 claims description 6
- XMFOQHDPRMAJNU-UHFFFAOYSA-N lead(ii,iv) oxide Chemical compound O1[Pb]O[Pb]11O[Pb]O1 XMFOQHDPRMAJNU-UHFFFAOYSA-N 0.000 claims description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 6
- 239000008117 stearic acid Substances 0.000 claims description 6
- 239000006238 High Abrasion Furnace Substances 0.000 claims description 4
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 claims description 4
- JFGVTUJBHHZRAB-UHFFFAOYSA-N 2,6-Di-tert-butyl-1,4-benzenediol Chemical compound CC(C)(C)C1=CC(O)=CC(C(C)(C)C)=C1O JFGVTUJBHHZRAB-UHFFFAOYSA-N 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 abstract 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 abstract 2
- 229920005558 epichlorohydrin rubber Polymers 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 235000006708 antioxidants Nutrition 0.000 abstract 1
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 abstract 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 8
- 239000013536 elastomeric material Substances 0.000 description 5
- 238000007670 refining Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 150000008363 butyronitriles Chemical class 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high oil-resistant sealing element rubber material, which is mixed by A and B rubber compounds in equal proportion. The two rubber compounds have the following material components by weight: A rubber compound: 85-95 of nitrile-butadiene rubber, 0.3-0.5 of sulphur, 4-6 of zinc oxide, 3-4 of eleaostearic acid, 1-2 of an anti-oxidant 2, 5-ditert-butylhydroquinone-DTBHQ, 1-2 of an antiager RD, 1-2 of an antiager 4010NA, 3-4 of paraffin, 22-25 of fast extruded carbon black N660, 62-65 of high abrasion carbon black, 18-22 of dioctyl-phthalate, 25-35 of calcium carbonate, 3-4 of an accelerator DM, 1-2 of an accelerator TMTD, 1-2 of an accelerator TETD; B rubber compound: 82-87 of monohomopolymerized epichlorohydrin rubber, 12-18 of copolymerized epichlorohydrin rubber, 1-2 of zinc stearate, 1-3 of an antiager RD, 0.4-0.6 of Gum easy T-78, 1-2 of rhein wax, 45-55 of fast extruded carbon black, 10-14 of diatomite, 5-8 of dioctyl-phthalate, 4-6 of lead tetraoxide, 0.4-0.6 of sulphur, and 1-2 of an accelerator Na-22. The rubber material can be used to produce oil-resistant sealing elements (oil cylinder sealing gaskets) with the advantages of oil resistance, thermoresistance, air impermeability, flame retardation and tear resistance and low cost.
Description
Technical field
The present invention relates to rubber composite manufacture field, be specifically related to a kind of oil resistant sealing member rubber material and preparation method thereof.
Background technology
The formula of oil-resistant sealing element to elastomeric material has special requirement, requires that the product obtained by it has oil resistant, resistance toheat is high, has very high resistance to air loss simultaneously.Common 41 butadiene-acrylonitrile rubbers formula oil resistants, heat-resisting, resistance to air loss are all not so good as hydrogenated butyronitrile glue and chloropharin glue, but hydrogenated butyronitrile glue and chloropharin glue expensive, cost is high; Therefore oil-resistant sealing element (cylinder seal pad) oil resistant, heat-resisting, the raising of air tightness performance, cost savings are necessary that research and practice out, for this is studied invention to rubber compounding.
Summary of the invention
The invention provides a kind of high oil resistant sealing member rubber material and preparation method thereof, the oil-resistant sealing element (cylinder seal pad) that elastomeric material of the present invention is produced has good oil resistant, heat-resisting, resistance to air loss, fire-retardant, tear-resistant, and cost is low simultaneously.
The present invention adopts following technical scheme to achieve these goals:
A kind of high oil resistant sealing member rubber material, it is characterized in that, it forms by A, B two portions rubber size equal proportion is mixing, and the weight part of its two portions constitutive material is:
A sizing material:
Butadiene-acrylonitrile rubber N4185-95 sulphur 0.3-0.5, zinc oxide 4-6, stearic acid 3-4, oxidation inhibitor 2,5-ditert-butylhydro quinone DTBHQ1-2, anti-aging agent RD 1-2, antioxidant 4010NA 1-2, paraffin 3-4, fast extrusion carbon black N66022-25, high abrasion furnace carbon black N330 62-65, dioctyl ester 18-22, calcium carbonate 25-35, altax 3-4, Vulcanization accelerator TMTD 1-2, acceterator TE TD1-2
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, diatomite 10-14, dioctyl ester 5-8, tri-lead tetroxide 4-6, sulphur 0.4-0.6, accelerant N a-221-2.
Described high oil resistant sealing member rubber material, is characterized in that, it forms by A, B two portions rubber size equal proportion is mixing, and the weight part of its two portions constitutive material is:
A sizing material:
Butadiene-acrylonitrile rubber N4190 sulphur 0.4, zinc oxide 5, stearic acid 2, anti-aging agent RD 1.5, antioxidant 4010NA 1.5, paraffin 2, fast extrusion carbon black N66024, high abrasion furnace carbon black N330 63, dioctyl ester 20, calcium carbonate 30, altax 2, Vulcanization accelerator TMTD 1, acceterator TE TD1
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, diatomite 12, dioctyl ester 6, tri-lead tetroxide 5, sulphur 0.5, accelerant N a-221.5.
The preparation method of described high oil resistant sealing member rubber material, is characterized in that comprising the following steps:
The first step: prepare A sizing material, B sizing material respectively
One, the preparation of A sizing material
(1) plasticate: start Banbury mixer, butadiene-acrylonitrile rubber N41 is 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 zinc oxide, stearic acid, anti-aging agent class, paraffin again, after mixing 3-4 minute, add after 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, then add residue 1/3 carbon black, turn refining 2-3 minute, after adding the abundant mixing 3-4 of dioctyl ester 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, then add in rubber unvulcanizate by promotor class, and thin-pass 5-7 is all over obtaining A sizing material, processing temperature≤60 DEG C of mill;
Two, the preparation of 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, the easy plain T-78 of Zinic stearas, anti-aging agent class, glue, Lay mattress wax, after mixing 3-4 minute, add after diatomite 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, then add residue 1/3 carbon black, turn refining 2-3 minute, after adding the abundant mixing 3-4 of dioctyl ester 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.
Second step: A sizing material and B sizing material mixing
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.
Beneficial effect of the present invention:
Elastomeric material of the present invention has good over-all properties, and the oil-resistant sealing element (cylinder seal pad) produced with elastomeric material of the present invention has good oil resistant, heat-resisting, resistance to air loss, fire-retardant, tear-resistant, and cost is low simultaneously.
Embodiment
Part used in embodiment, is weight part.
Embodiment one:
1, starting material prepare:
The raw-material preparation of A sizing material:
Take butadiene-acrylonitrile rubber N4190 sulphur 0.4, zinc oxide 5, stearic acid 2, oxidation inhibitor 2,5-ditert-butylhydro quinone DTBHQ1, anti-aging agent RD 1.5, antioxidant 4010NA 1.5, paraffin 2, fast extrusion carbon black N66024, high abrasion furnace carbon black N330 63, dioctyl ester 20, calcium carbonate 30, altax 2, Vulcanization accelerator TMTD 1, acceterator TE TD1
The raw-material preparation of 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-780.5 of glue, Lay mattress wax 1.5, fast extrusion carbon black 50, diatomite 12, dioctyl ester 6, tri-lead tetroxide 5, sulphur 0.5, accelerant N a-221.5.
2, the preparation method of high oil resistant sealing member rubber material, comprises the following steps:
The first step: prepare A sizing material, B sizing material respectively
One, the preparation of A sizing material
(1) plasticate: start Banbury mixer, butadiene-acrylonitrile rubber N41 is 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 zinc oxide, stearic acid, anti-aging agent class, paraffin again, after mixing 3-4 minute, add after 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, then add residue 1/3 carbon black, turn refining 2-3 minute, after adding the abundant mixing 3-4 of dioctyl ester 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, then add in rubber unvulcanizate by promotor class, and thin-pass 5-7 is all over obtaining A sizing material, processing temperature≤60 DEG C of mill;
Two, the preparation of 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 diatomite 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 dioctyl ester 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.
Second step: A sizing material and B sizing material mixing
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
Oil resistance detects according to ASTM D471 standard, and unit is %;
Resistance toheat detects according to GB GB-T3512-2001;
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 contrasts as following table:
The oil-proofness of oil-resistant rubber material of the present invention, resistance toheat, resistance to air loss and resistance to tearing are all good than conventional oil resisting material as can be seen from the table.
Claims (1)
1. high oil resistant sealing member rubber material, is characterized in that, it forms by A, B two portions rubber size equal proportion is mixing, and the weight part of its two portions constitutive material is:
A sizing material:
Butadiene-acrylonitrile rubber N41 85-95, sulphur 0.3-0.5, zinc oxide 4-6, stearic acid 3-4, oxidation inhibitor 2,5-ditert-butylhydro quinone DTBHQ1-2, anti-aging agent RD 1-2, antioxidant 4010NA 1-2, paraffin 3-4, fast extrusion carbon black N660 22-25, high abrasion furnace carbon black N330 62-65, dioctyl ester 18-22, calcium carbonate 25-35, altax 3-4, Vulcanization accelerator TMTD 1-2, acceterator TE TD1-2
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, diatomite 10-14, dioctyl ester 5-8, tri-lead tetroxide 4-6, sulphur 0.4-0.6, accelerant N a-22 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110259092.1A CN102367296B (en) | 2011-09-02 | 2011-09-02 | High oil-resistant sealing element rubber material and its preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110259092.1A CN102367296B (en) | 2011-09-02 | 2011-09-02 | High oil-resistant sealing element rubber material and its preparation method |
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| CN102367296A CN102367296A (en) | 2012-03-07 |
| CN102367296B true CN102367296B (en) | 2015-04-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993682B (en) * | 2012-11-01 | 2015-04-29 | 安徽荣达阀门有限公司 | High-property epichlorohydrin rubber gasket and preparation method thereof |
| CN103360644A (en) * | 2013-06-20 | 2013-10-23 | 安徽春辉仪表线缆集团有限公司 | Nitrile butadiene rubber synthetic gasket |
| CN103360643A (en) * | 2013-06-20 | 2013-10-23 | 安徽春辉仪表线缆集团有限公司 | Rubber sealing element with high tensile strength and high tear resistance |
| CN103360642A (en) * | 2013-06-20 | 2013-10-23 | 安徽春辉仪表线缆集团有限公司 | Degradable nitrile-butadiene rubber seal ring |
| CN103665820B (en) * | 2013-11-27 | 2016-03-16 | 东营中一橡胶有限公司 | Oil resisting rubber |
| CN103819764A (en) * | 2013-12-21 | 2014-05-28 | 芜湖禾田汽车工业有限公司 | Rubber material of sealing component |
| CN103819763A (en) * | 2013-12-21 | 2014-05-28 | 芜湖禾田汽车工业有限公司 | Sealing element rubber |
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 | 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 CN201110259092.1A patent/CN102367296B/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 | 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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| CN102367296A (en) | 2012-03-07 |
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Denomination of invention: A high oil resistant sealing rubber material and its preparation method Granted publication date: 20150429 Pledgee: Wuhu Wanyi SME Financing Guarantee Co.,Ltd. Pledgor: WUHU HETIAN AUTOMOTIVE INDUSTRY Co.,Ltd. Registration number: Y2024980034955 |
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