CN102585315A - Oil-resisting heat-resisting seal piece size and preparation method thereof - Google Patents
Oil-resisting heat-resisting seal piece size and preparation method thereof Download PDFInfo
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- CN102585315A CN102585315A CN2012100133748A CN201210013374A CN102585315A CN 102585315 A CN102585315 A CN 102585315A CN 2012100133748 A CN2012100133748 A CN 2012100133748A CN 201210013374 A CN201210013374 A CN 201210013374A CN 102585315 A CN102585315 A CN 102585315A
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Abstract
The invention discloses an oil-resisting heat-resisting seal piece size and a preparation method thereof. The oil-resisting heat-resisting seal piece size comprises the following raw material components in parts by weight: 75-85 of NBR (nitrile-butadiene rubber) 3606, 75-85 of NBR 2707, 0.7-0.9 of sulphur, 3-4 of magnesium oxide, 7-9 of zinc oxide, 1-2 of zinc stearate, 2-4 of antiager RD, 1-2 of antiager MB, 1.5-1.7 of microcrystal wax, 1.7-1.9 of rubber processing agent WB, 95-105 of carbon black N550, 48-52 of carbon black N330, 55-65 of dioctyl ester, 2.3-2.5 of accelerating agent DM, 1.5-1.7 of accelerating agent TMTD (tetramethyl thiuram disulfide) and 1.5-1.7 of accelerating agent TETD (tetraethylthiuram disulfide). The rubber size formula disclosed by the invention is rapid in vulcanizing speed; the obtained size is good in other comprehensive performances; and an oil-resisting seal piece produced by using the size is good in oil resistance and heat resistance and good in gas tightness, and simultaneously, production cost is reduced, and production efficiency is improved.
Description
Technical field
The present invention relates to the rubber composite manufacture field, be specifically related to a kind of oil-resisting and heat-resisting sealing member sizing material and preparation method thereof.
Background technology
The oil resistant sealing member has special requirement to the prescription of elastomeric material, requires its prepared product to have oil resistant, anti-weather resistance height, has very high resistance to air loss simultaneously.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 cost an arm and a leg, and 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 oil-resisting and heat-resisting sealing member sizing material 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 member 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 oil-resisting and heat-resisting sealing member sizing material is characterized in that the weight part of its constitutive material is:
Fourth NBR3606 75-85, NBR2707 75-85, sulphur 0.7-0.9, Natural manganese dioxide 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, TM monex TD1.5-1.7, promotor TETD 1.5-1.7.
Described oil-resisting and heat-resisting sealing member sizing material; It is characterized in that the weight part of its constitutive material is: fourth NBR3606 80, NBR2707 80, sulphur 0.8, Natural manganese dioxide 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, TM monex TD 1.6, promotor TETD 1.6.
The preparation method of oil-resisting and heat-resisting sealing member sizing material may further comprise the steps:
(1) plasticates: start Banbury mixer,, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃ with plasticating in fourth NBR3606 and the NBR2707 input Banbury mixer;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add Natural manganese dioxide, zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212 again, after mixing 3-4 minute; Again the carbon black class is added at twice wherein mixingly, earlier added 2/3 carbon black mixing 2-3 minute, add residue 1/3 carbon black again; Turned refining 2-3 minute, add the abundant mixing 3-4 of dioctyl ester minute again 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, sulphur, promotor class are added in the rubber unvulcanizate again, thin logical 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 member of producing with this sizing material has good oil resistant, resistance toheat, and resistance to air loss is good, has reduced production cost simultaneously, has improved production efficiency.
Embodiment
Used part among the embodiment is weight part.
Embodiment one:
1, starting material are prepared:
Fourth NBR3606 80, NBR2707 80, sulphur 0.8, Natural manganese dioxide 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, TM monex TD 1.6, promotor TETD1.6.
2, the preparation method of oil-resisting and heat-resisting sealing member sizing material may further comprise the steps:
(1) plasticates: start Banbury mixer,, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃ with plasticating in fourth NBR3606 and the NBR2707 input Banbury mixer;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add Natural manganese dioxide, zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212 again, after mixing 3-4 minute; Again the carbon black class is added at twice wherein mixingly, earlier added 2/3 carbon black mixing 2-3 minute, add residue 1/3 carbon black again; Turned refining 2-3 minute, add the abundant mixing 3-4 of dioctyl ester minute again 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 logical 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 like following table:
From table, can find out that oil-proofness, resistance toheat, resistance to air loss and the resistance to tearing of oil-resistant rubber material of the present invention are all good than conventional oil resisting material.
Claims (3)
1. oil-resisting and heat-resisting sealing member sizing material is characterized in that the weight part of its constitutive material is:
NBR3606 75-85, NBR2707 75-85, sulphur 0.7-0.9, Natural manganese dioxide 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, TM monex TD1.5-1.7, promotor TETD 1.5-1.7.
2. oil-resisting and heat-resisting sealing member sizing material according to claim 1; It is characterized in that the weight part of its constitutive material is: fourth NBR3606 80, NBR2707 80, sulphur 0.8, Natural manganese dioxide 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, TM monex TD 1.6, promotor TETD 1.6.
3. the preparation method of oil-resisting and heat-resisting sealing member sizing material as claimed in claim 1 is characterized in that may further comprise the steps:
(1) plasticates: start Banbury mixer,, after plasticating 15-25 minute,, begin discharge, park cooling 23-25 hour behind the discharge when temperature reaches 110-120 ℃ with plasticating in fourth NBR3606 and the NBR2707 input Banbury mixer;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add Natural manganese dioxide, zinc oxide, Zinic stearas, anti-aging agent class, Microcrystalline Wax, rubber processing aids WB212 again, after mixing 3-4 minute; Again the carbon black class is added at twice wherein mixingly, earlier added 2/3 carbon black mixing 2-3 minute, add residue 1/3 carbon black again; Turned refining 2-3 minute, add the abundant mixing 3-4 of dioctyl ester minute again 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, sulphur, promotor class are added in the rubber unvulcanizate again, thin logical 5-7 be all over can obtaining sizing material, the processing temperature of mill≤60 ℃.
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| CN 201210013374 CN102585315B (en) | 2012-01-16 | 2012-01-16 | Oil-resisting heat-resisting seal piece size and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408812A (en) * | 2013-07-08 | 2013-11-27 | 天津包博特密封科技有限公司 | Preparation method of ultra-large mud pump shaft L-shaped sealing element rubber |
| CN103772765A (en) * | 2014-01-23 | 2014-05-07 | 亚新科噪声与振动技术（安徽）有限公司 | Nitrile-butadiene rubber NBR gear cover sealing material and preparation method thereof |
| CN104119585A (en) * | 2014-07-03 | 2014-10-29 | 安徽京鸿密封件技术有限公司 | Oil-resistant sealing member |
| CN104119584A (en) * | 2014-07-03 | 2014-10-29 | 安徽京鸿密封件技术有限公司 | Sealing element having flame retardant and oil resistant characteristics |
| CN117362778A (en) * | 2023-10-27 | 2024-01-09 | 山西泰宝科技有限公司 | Sealing ring rubber compound special for hydraulic system and preparation method thereof |
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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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2012
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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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408812A (en) * | 2013-07-08 | 2013-11-27 | 天津包博特密封科技有限公司 | Preparation method of ultra-large mud pump shaft L-shaped sealing element rubber |
| CN103408812B (en) * | 2013-07-08 | 2016-05-11 | 天津包博特密封科技有限公司 | A kind of preparation method of ultra-large type slush pump pump shaft L-type seal piece size |
| CN103772765A (en) * | 2014-01-23 | 2014-05-07 | 亚新科噪声与振动技术（安徽）有限公司 | Nitrile-butadiene rubber NBR gear cover sealing material and preparation method thereof |
| 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 |
| CN104119585A (en) * | 2014-07-03 | 2014-10-29 | 安徽京鸿密封件技术有限公司 | Oil-resistant sealing member |
| CN104119584A (en) * | 2014-07-03 | 2014-10-29 | 安徽京鸿密封件技术有限公司 | Sealing element having flame retardant and oil resistant characteristics |
| CN104119584B (en) * | 2014-07-03 | 2016-04-27 | 安徽京鸿密封件技术有限公司 | A kind of have sealing member that is fire-retardant, oil resistant characteristic |
| CN117362778A (en) * | 2023-10-27 | 2024-01-09 | 山西泰宝科技有限公司 | Sealing ring rubber compound special for hydraulic system and preparation method thereof |
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| CN102585315B (en) | 2013-11-06 |
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