CN102585313B - Nitrile rubber glue material of oil-proof sealing element and preparation method thereof - Google Patents
Nitrile rubber glue material of oil-proof sealing element and preparation method thereof Download PDFInfo
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- CN102585313B CN102585313B CN 201210013372 CN201210013372A CN102585313B CN 102585313 B CN102585313 B CN 102585313B CN 201210013372 CN201210013372 CN 201210013372 CN 201210013372 A CN201210013372 A CN 201210013372A CN 102585313 B CN102585313 B CN 102585313B
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Abstract
The invention discloses a nitrile rubber glue material of an oil-proof sealing element. The nitrile rubber glue material comprises the following ingredients in parts by weight: 75 to 85 parts of nitrile rubber 3445, 75 to 85 parts of nitrile rubber 3470, 0.7 to 0.9 parts of sulfur, 7 to 9 parts of zinc oxide, 1 to 2 parts of zinc stearate, 2 to 4 parts of age inhibitors RD, 1 to 2 parts of age inhibitors MB, 1.5 to 1.7 parts of microcrystal wax, 1.7 to 1.9 parts of rubber processing auxiliaries WB212, 95 to 105 parts of carbon black N550, 48 to 52 parts of carbon black N330, 55 to 65 parts of dioctyl ester, 2.3 to 2.5 parts of accelerants DM, 1.5 to 1.7 parts of accelerants TMTD and 1.5 to 1.7 parts of accelerants TETD. The rubber glue material recipe disclosed by the invention has high vulcanization speed, and other comprehensive properties of the obtained glue material are good. The oil-proof sealing element produced from the glue material has the advantages that the oil-proof performance and the heat resistance performance are good, the air tightness is good, 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 nitrile-butadiene rubber material for oil-proof sealing element and preparation method thereof.
Background technology
Oil-resistant sealing element has special requirement to the formula of elastomeric material, requires that its prepared product has oil resistant, anti-weather resistance is high, has simultaneously very high resistance to air loss.Common 41 butadiene-acrylonitrile rubbers formulas oil resistants, 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, add the man-hour curing time long, 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 nitrile-butadiene rubber material for oil-proof sealing element and preparation method thereof, rubber size formula of the present invention has vulcanization rate fast, 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:
Nitrile-butadiene rubber material for oil-proof sealing element is characterized in that, the weight part of its constitutive material is:
Paracril 3445 75-85, paracril 3470 75-85, sulphur 0.7-0.9, 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 nitrile-butadiene rubber material for oil-proof sealing element, the weight part of its constitutive material is: paracril 3,445 80, paracril 3,470 80, sulphur 0.8, 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.
The preparation method of nitrile-butadiene rubber material for oil-proof sealing element comprises the following steps:
(1) plasticate: start Banbury mixer, will paracril 3445 and paracril 3470 drop in Banbury mixeies and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge was parked after discharge cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212, after mixing 3-4 minute, then the carbon black class is added at twice wherein mixing, first added the 2/3 mixing 2-3 of carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, then after adding the abundant mixing 3-4 of dioctyl ester minute, when temperature reaches 85-90 ℃, the beginning discharge was parked after discharge 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 be all over can obtain sizing material, the processing temperature of mill≤60 ℃.
Beneficial effect of the present invention:
Rubber size formula of the present invention has vulcanization rate fast, 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.
Description of drawings
Fig. 1 is TMTD, the S of different proportionings and the relation between the sizing material tensile yield.
Fig. 2 is TMTD, the S of different proportionings and the relation between the sizing material tensile strength at yield.
Fig. 3 is the relation between the tension force of TMTD, the S of different proportionings and 100% pressure.
Fig. 4 is TMTD, the S of different proportionings and the relation between sizing material Tc10.
Fig. 5 is TMTD, the S of different proportionings and the relation between sizing material MH.
Fig. 6 is TMTD, the S of different proportionings and the relation between sizing material MH.
Fig. 7 is TMTD, the S of different proportionings and the relation between sizing material ML.
Embodiment
Part used in embodiment is weight part.
Embodiment one:
1, starting material are prepared:
Paracril 3,445 80, paracril 3,470 80, sulphur 0.8, 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 nitrile-butadiene rubber material for oil-proof sealing element comprises the following steps:
(1) plasticate: start Banbury mixer, will paracril 3445 and paracril 3470 drop in Banbury mixeies and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge was parked after discharge cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212, after mixing 3-4 minute, then the carbon black class is added at twice wherein mixing, first added the 2/3 mixing 2-3 of carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, then after adding the abundant mixing 3-4 of dioctyl ester minute, when temperature reaches 85-90 ℃, the beginning discharge was parked after discharge 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 be all over can obtain sizing material, the processing temperature of mill≤60 ℃.
Testing data
Only adjust the proportioning of TMTD and sulphur, both different proportioning value impacts on vulcanization of rubber speed of the constant observation of the proportioning of other material.
| TMTD | 1 | 1.5 | 2 | 2.5 | 3 |
| |
1 | 1 | 1 | 1 | 1 |
Wherein, S is 100g, and TETD is 200g, and DM is 300g.
The original formulation detected result
Detect the properties of the rubber after adjusting by same procedure and see accompanying drawing, in figure, the pressure of hardness, tensile yield, tensile strength at yield, 100% tension force is got average with convenient mapping.The result that records and upper table original formulation detected result can find out, along with the increase of ratio between TMTD and S, the vulcanization rate of sizing material is obviously accelerated, but other performances of sizing material all descend to some extent.Consider, determine that DM:TETD:TMTD:S is the requirement that 3:2:2:1 can satisfy use properties, and vulcanization rate is moderate, has improved production efficiency, has saved production cost.
Claims (3)
1. nitrile-butadiene rubber material for oil-proof sealing element, is characterized in that, the weight part of its constitutive material is:
Paracril 3445 75-85, paracril 3470 75-85, sulphur 0.7-0.9, 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.
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: paracril 3,445 80, paracril 3,470 80, sulphur 0.8, 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.
3. the preparation method of nitrile-butadiene rubber material for oil-proof sealing element as claimed in claim 1 is characterized in that comprising the following steps:
(1) plasticate: start Banbury mixer, will paracril 3445 and paracril 3470 drop in Banbury mixeies and plasticate, after plasticating 15-25 minute, when temperature reaches 110-120 ℃, the beginning discharge was parked after discharge cooling 23-25 hour;
(2) mixing: that above-mentioned cooled broken-(down)rubber is joined in Banbury mixer, add again zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212, after mixing 3-4 minute, then the carbon black class is added at twice wherein mixing, first added the 2/3 mixing 2-3 of carbon black minute, add again residue 1/3 carbon black, turned refining 2-3 minute, then after adding the abundant mixing 3-4 of dioctyl ester minute, when temperature reaches 85-90 ℃, the beginning discharge was parked after discharge 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 be all over can obtain sizing material, the processing temperature of mill≤60 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2719809C1 (en) * | 2019-11-06 | 2020-04-23 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Якутский научный центр Сибирского отделения Российской академии наук" | Oil-and-gasoline-resistant frost-resistant rubber mixture with increased heat resistance |
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| CN103044728B (en) * | 2012-11-28 | 2016-04-06 | 沈阳工业大学 | For the paracril of the large-scale oil filled transformer of extra-high voltage |
| CN103289148A (en) * | 2013-04-26 | 2013-09-11 | 焦作市万瑞轮胎辅料有限公司 | Reciprocating-motion rubber sealing ring and production technology thereof |
| CN103289146A (en) * | 2013-04-26 | 2013-09-11 | 焦作市万瑞轮胎辅料有限公司 | Rotary-shaft-shaped rubber sealing ring and production technology thereof |
| CN103289150B (en) * | 2013-05-06 | 2015-09-09 | 广州加士特密封技术有限公司 | Acrylonitrile butadiene packing material of a kind of cold-resistant, wear-resisting and preparation method thereof |
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| 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 |
| CN110483856A (en) * | 2019-08-29 | 2019-11-22 | 芜湖集拓橡胶技术有限公司 | A kind of short vulcanization nitrile rubber formula |
| CN112521669A (en) * | 2020-12-01 | 2021-03-19 | 江苏冠联新材料科技股份有限公司 | Oil-resistant sizing material for colored throttle valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101735494A (en) * | 2008-11-07 | 2010-06-16 | 海堡(厦门)橡胶有限公司 | Synthetic rubber |
| CN101671450B (en) * | 2009-07-20 | 2011-07-20 | 宁波市阳光汽车配件有限公司 | Oil-resistant and low temperature-resistant thermoplastic elastomer and production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2719809C1 (en) * | 2019-11-06 | 2020-04-23 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Якутский научный центр Сибирского отделения Российской академии наук" | Oil-and-gasoline-resistant frost-resistant rubber mixture with increased heat resistance |
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