CN102585314B - Rubber sizing material for oil-resistant sealing element and preparation method thereof - Google Patents
Rubber sizing material for oil-resistant sealing element and preparation method thereof Download PDFInfo
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- CN102585314B CN102585314B CN 201210013373 CN201210013373A CN102585314B CN 102585314 B CN102585314 B CN 102585314B CN 201210013373 CN201210013373 CN 201210013373 CN 201210013373 A CN201210013373 A CN 201210013373A CN 102585314 B CN102585314 B CN 102585314B
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Abstract
The invention discloses a rubber sizing material for an oil-resistant sealing element. The rubber sizing material comprises the following raw materials in part by weight: 75 to 85 parts of NBR3606 (Nitrile-Butadiene Rubber 3606), 75 to 85 parts of NBR2707, 0.7 to 0.9 part of dichloromethyl dimethylbenzene, 3 to 4 parts of magnesium oxide, 7 to 9 parts of zinc oxide, 1 to 2 parts of zinc stearate,2 to 4 parts of age resister RD, 1 to 2 parts of age resister MB, 1.5 to 1.7 parts of microcrystalline wax, 1.7 to 1.9 parts of rubber processing auxiliary WB212, 95 to 105 parts of carbon black N550, 48 to 52 parts of carbon black N330, 55 to 65 parts of dioctyl-phthalate, 2.3 to 2.5 parts of accelerator DM, 1.5 to 1.7 parts of accelerator TMTD (Tetramethyl Thiuram Disulfide) and 1.5 to 1.7 parts of accelerator TETD (Tetraethylthiuram Disulfide). The formula of the rubber sizing material disclosed by the invention has high curing rate. The obtained sizing material has excellent other comprehensive performances. The oil-resistant sealing element produced from the sizing material has excellent oil resistance and heat resistance and good air-tightness. Meanwhile, the production cost is reduced and the production efficiency is improved.
Description
Technical field
The present invention relates to the rubber composite manufacture field, be specifically related to a kind of rubber sizing material for oil-resistant sealing element and preparation method thereof.
Background technology
Oil-resistant sealing element has special requirement to the prescription of elastomeric material, requires its prepared product to have oil resistant, anti-weather resistance height, has simultaneously very high resistance to air loss.Common 41 butadiene-acrylonitrile rubbers prescription oil resistant, heat-resisting, resistance to air loss all are not so good as hydrogenated butyronitrile glue and chloropharin glue, but hydrogenated butyronitrile glue and chloropharin glue are expensive, it is long to add the man-hour curing time, production efficiency is low, cost is high, how to increase vulcanization rate, enhances productivity, do not reduce simultaneously other over-all properties of elastomeric material, for rubber production, investigator provide new research direction.
Summary of the invention
The invention provides a kind of rubber sizing material for oil-resistant sealing element and preparation method thereof, rubber size prescription of the present invention, it is fast to have vulcanization rate, and other over-all properties of gained sizing material is good.The oil-resistant sealing element of producing with this sizing material has good oil resistant, resistance toheat, and resistance to air loss is good, and production efficiency is high simultaneously, and the cost of material is low.
The present invention adopts following technical scheme to achieve these goals:
A kind of rubber sizing material for oil-resistant sealing element is characterized in that, the weight part of its constitutive material is:
NBR3606 75-85, NBR2707 75-85, dichloride methyl dimethylbenzene 0.7-0.9, magnesium oxide 3-4, zinc oxide 7-9, Zinic stearas 1-2, anti-aging agent RD 2-4, antioxidant MB 1-2, Microcrystalline Wax 1.5-1.7, rubber processing aids WB212 1.7-1.9, carbon black N550 95-105, carbon black N330 48-52, dioctyl ester 55-65, altax 2.3-2.5, Vulcanization accelerator TMTD 1.5-1.7, acceterator TE TD 1.5-1.7.
Described rubber sizing material for oil-resistant sealing element, it is characterized in that the weight part of its constitutive material is: NBR360680, NBR2707 80, dichloride methyl dimethylbenzene 0.8, magnesium oxide 3.5, zinc oxide 8, Zinic stearas 1.5, anti-aging agent RD 3, antioxidant MB 1.5, Microcrystalline Wax 1.6, rubber processing aids WB212 1.8, carbon black N550100, carbon black N330 50, dioctyl ester 60, altax 2.4, Vulcanization accelerator TMTD 1.6, acceterator TE TD1.6.
The preparation method of rubber sizing material for oil-resistant sealing element may further comprise the steps:
(1) plasticate: start Banbury mixer, will fourth NBR3606 and NBR2707 drop in the Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in the Banbury mixer, add again magnesium oxide, zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212, after mixing 3-4 minute, again the carbon black class is added at twice wherein mixingly, added first the mixing 2-3 of 2/3 carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, add again the abundant mixing 3-4 of dioctyl ester minute 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, dichloride methyl dimethylbenzene, promotor class are added in the rubber unvulcanizate again, thin-pass 5-7 be all over can obtaining sizing material, the processing temperature of mill≤60 ℃.
Beneficial effect of the present invention:
Rubber size prescription of the present invention, it is fast to have vulcanization rate, and other over-all properties of gained sizing material is good.The oil-resistant sealing element of producing with this sizing material has good oil resistant, resistance toheat, and resistance to air loss is good, has reduced simultaneously production cost, has improved production efficiency.
Embodiment
Used part among the embodiment is weight part.
Embodiment one:
1, starting material are prepared:
NBR3606 80, NBR2707 80, dichloride methyl dimethylbenzene 0.8, magnesium oxide 3.5, zinc oxide 8, Zinic stearas 1.5, anti-aging agent RD 3, antioxidant MB 1.5, Microcrystalline Wax 1.6, rubber processing aids WB212 1.8, carbon black N550 100, carbon black N330 50, dioctyl ester 60, altax 2.4, Vulcanization accelerator TMTD 1.6, acceterator TE TD 1.6.
2, the preparation method of rubber sizing material for oil-resistant sealing element may further comprise the steps:
(1) plasticate: start Banbury mixer, will fourth NBR3606 and NBR2707 drop in the Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in the Banbury mixer, add again magnesium oxide, zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212, after mixing 3-4 minute, again the carbon black class is added at twice wherein mixingly, added first the mixing 2-3 of 2/3 carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, add again the abundant mixing 3-4 of dioctyl ester minute 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-pass 5-7 be all over can obtaining sizing material, the processing temperature of mill≤60 ℃.
Testing data
Oil resistance detects according to ASTM D 471 standards, and unit is %;
Resistance toheat detects according to GB GB-T 3512-2001;
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 such 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. a nitrile-butadiene rubber material for oil-proof sealing element is characterized in that, the weight part of its constitutive material is:
NBR3606 75-85, NBR2707 75-85, dichloride methyl dimethylbenzene 0.7-0.9, magnesium oxide 3-4, zinc oxide 7-9, Zinic stearas 1-2, anti-aging agent RD 2-4, antioxidant MB 1-2, Microcrystalline Wax 1.5-1.7, rubber processing aids WB212 1.7-1.9, carbon black N550 95-105, carbon black N330 48-52, dioctyl ester 55-65, altax 2.3-2.5, Vulcanization accelerator TMTD 1.5-1.7, acceterator TE TD 1.5-1.7;
Its preparation method may further comprise the steps:
(1) plasticate: start Banbury mixer, will NBR3606 and NBR2707 drop in the Banbury mixer and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in the Banbury mixer, add again magnesium oxide, zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212, after mixing 3-4 minute, again the carbon black class is added at twice wherein mixingly, added first the mixing 2-3 of 2/3 carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, add again the abundant mixing 3-4 of dioctyl ester minute 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, dichloride methyl dimethylbenzene, promotor class are added in the rubber unvulcanizate again, thin-pass 5-7 be all over can obtaining sizing material, the processing temperature of mill≤60 ℃.
2, nitrile-butadiene rubber material for oil-proof sealing element according to claim 1, it is characterized in that the weight part of its constitutive material is: NBR3606 80, NBR2707 80, dichloride methyl dimethylbenzene 0.8, magnesium oxide 3.5, zinc oxide 8, Zinic stearas 1.5, anti-aging agent RD 3, antioxidant MB 1.5, Microcrystalline Wax 1.6, rubber processing aids WB212 1.8, carbon black N550 100, carbon black N330 50, dioctyl ester 60, altax 2.4, Vulcanization accelerator TMTD 1.6, acceterator TE TD 1.6.
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| CN103772765B (en) * | 2014-01-23 | 2016-04-27 | 亚新科噪声与振动技术（安徽）有限公司 | A kind of paracril NBR gear cap sealing material and preparation method thereof |
| CN105694150A (en) * | 2016-04-25 | 2016-06-22 | 无锡智谷锐拓技术服务有限公司 | Oil-resistant rubber |
| CN109851871A (en) * | 2018-12-04 | 2019-06-07 | 华东理工大学 | Antistatic coordination cross-linked nitrile rubber of one kind and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101597391A (en) * | 2009-06-12 | 2009-12-09 | 浙江荣康密封件有限公司 | A kind of highly-abrasion-resistant butadiene-acrylonitrile-rubber vulcanized rubber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101597391A (en) * | 2009-06-12 | 2009-12-09 | 浙江荣康密封件有限公司 | A kind of highly-abrasion-resistant butadiene-acrylonitrile-rubber vulcanized rubber and preparation method thereof |
Non-Patent Citations (6)
| Title |
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| 双氯甲基二甲苯作为硫化剂用于橡胶工艺制品生产;王文福;《橡胶参考资料》;19771231(第01期);30-33 * |
| 橡胶密封制品用防老剂的试验研究;高福年;《橡胶科技市场》;20091231(第02期);18-20 * |
| 游全营等.配合剂用量对丁腈橡胶耐油性的影响.《特种橡胶制品》.2010,第31卷(第06期), |
| 王文福.双氯甲基二甲苯作为硫化剂用于橡胶工艺制品生产.《橡胶参考资料》.1977,(第01期), |
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| 高福年.橡胶密封制品用防老剂的试验研究.《橡胶科技市场》.2009,(第02期), |
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