CN104693529A - Cold-resistant nitrile rubber sealing product - Google Patents
Cold-resistant nitrile rubber sealing product Download PDFInfo
- Publication number
- CN104693529A CN104693529A CN201310667139.7A CN201310667139A CN104693529A CN 104693529 A CN104693529 A CN 104693529A CN 201310667139 A CN201310667139 A CN 201310667139A CN 104693529 A CN104693529 A CN 104693529A
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- CN
- China
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- nitrile rubber
- rubber sealing
- carbon black
- softening agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a cold-resistant nitrile rubber sealing product. The cold-resistant nitrile rubber sealing product is prepared from the following components in parts by mass: 85 parts of NAR, 6-8 parts of magnesium oxide, 1.3-1.8 parts of an anti-ageing agent 4010NA, 30-40 parts of carbon black, 30-45 parts of a plasticizer, 1.5-2.5 parts of paraffin, 0.3-0.5 part of zinc stearate, 0.5-1 part of an antioxidant and 10-15 parts of a promoter BR. The cold-resistant nitrile rubber sealing product has relatively high tensile strength and elongation, is stable in quality, smooth in surface and capable of meeting high-quality requirements of enterprises.
Description
Technical field
The present invention relates to a kind of rubber, specifically relate to a kind of cold tolerant butadiene nitrile rubber sealing article.
Background technology
The circular cowling that rubber seal is made up of one or several part, on the lasso being fixed on bearing or packing ring, and with another lasso or washer contacts or form narrow labyrinth clearance, prevents lubricating oil from exposing and foreign object invades.
Paracril it be also called NBR.A kind of synthetic rubber obtained by divinyl and acrylonitrile compolymer.Oil resistant (especially alkane oil), the good synthetic rubber of ageing-resistant performance.In paracril, vinyl cyanide percentage composition has 42 ~ 46,36 ~ 41,31 ~ 35,25 ~ 30,18 ~ 24 etc. five kinds.Acrylonitrile content is more, and oil-proofness is better, but winter hardiness then corresponding decline.It can use for a long time in the air of 120 DEG C or in the oil of 150 DEG C.In addition, it also has good water tolerance, resistance to air loss and excellent adhesive property.Be widely used in system various oil resisting rubber goods, multiple oil seat gasket, pad, sleeve pipe, soft packaging, flexible rubber hose, printer's roll, cable gum material etc., in the industries such as automobile, aviation, oil, duplicating, become requisite resilient material.
Paracril is obtained through emulsion polymerization by divinyl and vinyl cyanide, and paracril mainly adopts emulsion polymerization at low temperature to produce, and oil-proofness is fabulous, and wear resistance is higher, and thermotolerance is better, and bonding force is strong.Paracril has the performances such as excellent oil resistant and aromatic solvent, but not resistance to ketone, ester and chlorination through etc. medium, therefore oil resistant sealing article is to adopt paracril.
Summary of the invention
The present invention relates to a kind of cold tolerant butadiene nitrile rubber sealing article, it has fabulous sealing function, and oil-proofness is fabulous, in addition, also tool have good wearability, thermotolerance.
Cold tolerant butadiene nitrile rubber sealing article of the present invention is made up of following formula and the cooperation of quality component forms: NAR85 part, 6 ~ 8 parts, magnesium oxide, antioxidant 4010NA 1.3 ~ 1.8 parts, carbon black 30 ~ 40 parts, 30 ~ 45 parts, softening agent, 1.5 ~ 2.5 parts, paraffin, Zinic stearas 0.3 ~ 0.5 part, 0.5 ~ 1 part, oxidation inhibitor, accelerant B R10 ~ 15 part.
Preferably, a kind of cold tolerant butadiene nitrile rubber sealing article, it is characterized in that, each component material and mass fraction thereof are: NAR85 part, 6.5 ~ 8 parts, magnesium oxide, antioxidant 4010NA 1.5 ~ 1.8 parts, carbon black 33 ~ 40 parts, 35 ~ 45 parts, softening agent, 1.9 ~ 2.2 parts, paraffin, Zinic stearas 0.4 ~ 0.5 part, 0.5 ~ 0.8 part, oxidation inhibitor, accelerant B R12 ~ 15 part.
A kind of manner of formulation of cold tolerant butadiene nitrile rubber sealing article is: first that the NAR of aforementioned proportion, Zinic stearas, oxidation inhibitor, accelerant B R is mixing in mill, add the carbon black of aforementioned proportion, softening agent DOA, magnesium oxide, antioxidant 4010NA again, in mill mixing 15 minutes, then add paraffin and carry out mixing 30 minutes.
Cold tolerant butadiene nitrile rubber sealing article of the present invention has fabulous sealing function, oil-proofness is fabulous, in addition, also tool have good wearability, thermotolerance and low temperature winter hardiness, cohesive force is strong, has higher tensile strength and elongation, steady quality simultaneously, smooth surface, can meet the high quality requirement of enterprise.
Embodiment
Embodiment 1:
Cold tolerant butadiene nitrile rubber sealing article composition of raw materials of the present invention and parts by weight as follows:
NAR85 part, 7 parts, magnesium oxide, antioxidant 4010NA 1.5 parts, fast extrusion carbon black 32 parts, softening agent DOS30 part, 1.5 parts, paraffin, Zinic stearas 0.3 part, 0.5 part, oxidation inhibitor, accelerant B R10 part.
A kind of manner of formulation of cold tolerant butadiene nitrile rubber sealing article is: first that the NAR of aforementioned proportion, Zinic stearas, oxidation inhibitor, accelerant B R is mixing in mill, add the carbon black of aforementioned proportion, softening agent DOA, magnesium oxide, antioxidant 4010NA again, in mill mixing 15 minutes, then add paraffin and carry out mixing 30 minutes.
In above-described embodiment, apply rational quality proportioning and preparation technology, the product obtained has fabulous sealing function, and oil-proofness is fabulous.
Embodiment 2:
Cold tolerant butadiene nitrile rubber sealing article composition of raw materials of the present invention and parts by weight as follows:
NAR85 part, 8 parts, magnesium oxide, antioxidant 4010NA 1.8 parts, mixed gas carbon black 40 parts, softening agent DOA45 part, 2.1 parts, paraffin, Zinic stearas 0.4 part, 0.6 part, oxidation inhibitor, accelerant B R12 part.
The manner of formulation of cold tolerant butadiene nitrile rubber sealing article is identical with embodiment 1.
In above-described embodiment, have changed mass fraction and the material composition of each material, tool of the present invention have good wearability, thermotolerance and low temperature winter hardiness, cohesive force is strong.
Embodiment 3:
Cold tolerant butadiene nitrile rubber sealing article composition of raw materials of the present invention and parts by weight as follows:
NAR85 part, 7 parts, magnesium oxide, antioxidant 4010NA 1.6 parts, fast extrusion carbon black 35 parts, softening agent DOS40 part, 2 parts, paraffin, Zinic stearas 0.4 part, 0.7 part, oxidation inhibitor, accelerant B R13 part.
The manner of formulation of cold tolerant butadiene nitrile rubber sealing article is identical with embodiment 1.
In above-described embodiment, change the mass fraction of each material, the optimization that this product properties obtains, low temperature winter hardiness is greatly improved, and has higher tensile strength and elongation, steady quality simultaneously, smooth surface, can meet the high quality requirement of enterprise.
In sum, the present invention has fabulous sealing function, and oil-proofness is fabulous, in addition, also tool have good wearability, thermotolerance and low temperature winter hardiness, cohesive force is strong, has higher tensile strength and elongation simultaneously, steady quality, smooth surface, can meet the high quality requirement of enterprise.
Invention can be understood further by the invention process given above; above embodiment is only several specific embodiment of the present invention; but design concept of the present invention is not limited thereto; all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (8)
1. a cold tolerant butadiene nitrile rubber sealing article, it is characterized in that, each component material and mass fraction thereof are: NAR85 part, 6 ~ 8 parts, magnesium oxide, antioxidant 4010NA 1.3 ~ 1.8 parts, carbon black 30 ~ 40 parts, 30 ~ 45 parts, softening agent, 1.5 ~ 2.5 parts, paraffin, Zinic stearas 0.3 ~ 0.5 part, 0.5 ~ 1 part, oxidation inhibitor, accelerant B R10 ~ 15 part.
2. cold tolerant butadiene nitrile rubber sealing article according to claim 1, is characterized in that: softening agent used be softening agent DOA and softening agent DOS or one of them.
3. cold tolerant butadiene nitrile rubber sealing article according to claim 1, is characterized in that: carbon black used be mixed gas carbon black and fast extrude carbon black or one of them.
4. cold tolerant butadiene nitrile rubber sealing article according to claim 1, it is characterized in that: each component material and mass fraction thereof are: NAR85 part, 6.5 ~ 8 parts, magnesium oxide, antioxidant 4010NA 1.5 ~ 1.8 parts, carbon black 33 ~ 40 parts, 35 ~ 45 parts, softening agent, 1.9 ~ 2.2 parts, paraffin, Zinic stearas 0.4 ~ 0.5 part, 0.5 ~ 0.8 part, oxidation inhibitor, accelerant B R12 ~ 15 part.
5. cold tolerant butadiene nitrile rubber sealing article according to claim 1, it is characterized in that: each component material and mass fraction thereof are: NAR85 part, 7 parts, magnesium oxide, antioxidant 4010NA 1.5 parts, fast extrusion carbon black 32 parts, softening agent DOS30 part, 1.5 parts, paraffin, Zinic stearas 0.3 part, 0.5 part, oxidation inhibitor, accelerant B R10 part.
6. cold tolerant butadiene nitrile rubber sealing article according to claim 1, it is characterized in that: each component material and mass fraction thereof are: NAR85 part, 8 parts, magnesium oxide, antioxidant 4010NA 1.8 parts, mixed gas carbon black 40 parts, softening agent DOA45 part, 2.1 parts, paraffin, Zinic stearas 0.4 part, 0.6 part, oxidation inhibitor, accelerant B R12 part.
7. cold tolerant butadiene nitrile rubber sealing article according to claim 1, it is characterized in that: each component material and mass fraction thereof are: NAR85 part, 7 parts, magnesium oxide, antioxidant 4010NA 1.6 parts, fast extrusion carbon black 35 parts, softening agent DOS40 part, 2 parts, paraffin, Zinic stearas 0.4 part, 0.7 part, oxidation inhibitor, accelerant B R13 part.
8. cold tolerant butadiene nitrile rubber sealing article according to claim 1, it is characterized in that manner of formulation is: first that the NAR of aforementioned proportion, Zinic stearas, oxidation inhibitor, accelerant B R is mixing in mill, add the carbon black of aforementioned proportion, softening agent DOA, magnesium oxide, antioxidant 4010NA again, in mill mixing 15 minutes, then add paraffin and carry out mixing 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667139.7A CN104693529A (en) | 2013-12-10 | 2013-12-10 | Cold-resistant nitrile rubber sealing product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667139.7A CN104693529A (en) | 2013-12-10 | 2013-12-10 | Cold-resistant nitrile rubber sealing product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104693529A true CN104693529A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310667139.7A Pending CN104693529A (en) | 2013-12-10 | 2013-12-10 | Cold-resistant nitrile rubber sealing product |
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| CN (1) | CN104693529A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106146943A (en) * | 2016-07-20 | 2016-11-23 | 宁波天鑫金属软管有限公司 | A kind of nitrile rubber sealing member |
| CN106220923A (en) * | 2016-08-31 | 2016-12-14 | 武汉赛特密封件有限公司 | Nitrile rubber (NBR) low temperature resists cold formula |
| CN106243419A (en) * | 2016-07-29 | 2016-12-21 | 王莹 | A kind of tolerance to cold nitrile rubber |
| CN106279830A (en) * | 2016-08-25 | 2017-01-04 | 无锡市美峰橡胶制品制造有限公司 | A kind of cold-resistant oil-proof type rubber compounding |
| CN106674652A (en) * | 2016-12-30 | 2017-05-17 | 安徽京鸿密封件技术有限公司 | Cold-resistant halogen-free flame-retardant automobile sealing part rubber |
| CN107540893A (en) * | 2016-06-24 | 2018-01-05 | 中国石油天然气股份有限公司 | A kind of flame retardant type nitrile rubber of easy processing and preparation method thereof |
| CN115594898A (en) * | 2022-09-14 | 2023-01-13 | 山东非金属材料研究所（Cn） | Low-temperature-resistant hydrogenated butyronitrile rubber compound and banburying preparation method thereof |
-
2013
- 2013-12-10 CN CN201310667139.7A patent/CN104693529A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540893A (en) * | 2016-06-24 | 2018-01-05 | 中国石油天然气股份有限公司 | A kind of flame retardant type nitrile rubber of easy processing and preparation method thereof |
| CN107540893B (en) * | 2016-06-24 | 2020-09-04 | 中国石油天然气股份有限公司 | Easily-processed flame-retardant nitrile rubber and preparation method thereof |
| CN106146943A (en) * | 2016-07-20 | 2016-11-23 | 宁波天鑫金属软管有限公司 | A kind of nitrile rubber sealing member |
| CN106243419A (en) * | 2016-07-29 | 2016-12-21 | 王莹 | A kind of tolerance to cold nitrile rubber |
| CN106279830A (en) * | 2016-08-25 | 2017-01-04 | 无锡市美峰橡胶制品制造有限公司 | A kind of cold-resistant oil-proof type rubber compounding |
| CN106220923A (en) * | 2016-08-31 | 2016-12-14 | 武汉赛特密封件有限公司 | Nitrile rubber (NBR) low temperature resists cold formula |
| CN106674652A (en) * | 2016-12-30 | 2017-05-17 | 安徽京鸿密封件技术有限公司 | Cold-resistant halogen-free flame-retardant automobile sealing part rubber |
| CN115594898A (en) * | 2022-09-14 | 2023-01-13 | 山东非金属材料研究所（Cn） | Low-temperature-resistant hydrogenated butyronitrile rubber compound and banburying preparation method thereof |
| CN115594898B (en) * | 2022-09-14 | 2024-03-22 | 山东非金属材料研究所 | Low-temperature-resistant hydrogenated nitrile rubber compound and internal mixing preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |
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| WD01 | Invention patent application deemed withdrawn after publication |