CN104341628A - Cold-resistant rubber and preparation method thereof - Google Patents
Cold-resistant rubber and preparation method thereof Download PDFInfo
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- CN104341628A CN104341628A CN201310319140.0A CN201310319140A CN104341628A CN 104341628 A CN104341628 A CN 104341628A CN 201310319140 A CN201310319140 A CN 201310319140A CN 104341628 A CN104341628 A CN 104341628A
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- parts
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- paracril
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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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses cold-resistant rubber and a preparation method thereof, and belongs to the technical field of rubber preparation. The cold-resistant rubber is composed of the following raw materials in parts by weight: 100 parts of nitrile rubber, 6-12 parts of a metal oxide, 0.5-1.5 parts of stearic acid, 1-3 parts of an anti-ageing agent, 2-4 parts of a dispersant, 0.1-1.6 parts of paraffin, 70-90 parts of a reinforcing agent, 90-100 parts of a cold-resisting agent , 4-6 parts of a promoter, 0.7-1.5 parts of sulphur, and 1.5-3.5 parts of a peroxide. Nitrile rubber is taken as the main raw material, the reinforcing agent, stearic acid, the metal oxide, the anti-aging agent, the dispersant, the cold-resisting agent and the like are added for improving the performances of nitrile rubber. The cold-resistant rubber keeps the excellent oil-resistant heat-resistant anti-wear performances of nitrile rubber, the disadvantage of bad low-temperature resistance of nitrile rubber is improved, the glass transition temperature is -57 DEG C, and the usage requirement of an automobile cleaner sealing member is fully satisfied.
Description
Technical field
The present invention relates to field of rubber technology, especially a kind of arctic rubber and preparation method thereof.
Background technology
Paracril, also known as butadiene-propylene nitrile rubber, is called for short NBR, molecular-weight average about 700,000.Canescence is to light yellow bulk or powdery solid, and relative density is 0.95-1.0.Acrylonitrile content is the paracril second-order transition temperature-52 DEG C of 26%, embrittlement temperature-47 DEG C, and the butyronitrile second-order transition temperature that acrylonitrile content is 40% is-22 DEG C.Solubility parameter is 8.9-9.9, is dissolved in vinyl acetic monomer, N-BUTYL ACETATE, chlorobenzene, methylethylketone etc.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 cohesive force is strong, water-tolerant.Its shortcoming is that lower temperature resistance is poor, ozone resistance is poor, elasticity is slightly low, electrical insulation capability is not good.Paracril is mainly for the manufacture of oil resisting rubber goods.
Oil resistant, heat-resisting, the wear-resisting premium properties of paracril are applicable to being applied in automobile component, the resistance to low temperature of paracril is poor, is applied to automobile filter sealing member, can produce certain impact, therefore, resistance to low temperature is improved and will the application of paracril is made more and more extensive.
Summary of the invention
The object of the present invention is to provide a kind of arctic rubber and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions:
A kind of arctic rubber, it is characterized in that, it is made up of the feed composition of following parts by weight: paracril 100 parts, metal oxide 6-12 part, stearic acid 0.5-1.5 part, anti-aging agent 1-3 part, dispersion agent 2-4 part, paraffin 0.1-1.6 part, strengthening agent 70-90 part, cold-resistant agent 90-100 part, promotor 4-6 part, sulphur 0.7-1.5 part, superoxide 1.5-3.5 part.
The parts by weight of described each feed composition are preferably paracril 100 parts, metal oxide 7-10 part, stearic acid 0.8-1.2 part, anti-aging agent 1-3 part, dispersion agent 2-4 part, paraffin 0.5-1.5 part, strengthening agent 78-87 part, cold-resistant agent 90-100 part, promotor 4-6 part, sulphur 1-1.5 part, peroxidase 12-3 parts.
The parts by weight of described each feed composition are preferably paracril 100 parts, metal oxide 8 parts, stearic acid 1 part, 2 parts, anti-aging agent, dispersion agent 3 parts, 1.1 parts, paraffin, strengthening agent 83 parts, cold-resistant agent 95 parts, promotor 5 parts, 1.2 parts, sulphur, peroxidase 12 .5 part.
Described paracril is paracril 1846, paracril 2845, and wherein paracril 1846 accounts for 80 parts, and paracril 2845 accounts for 20 parts.
Described metal oxide is zinc oxide and magnesian mixture, and wherein, zinc oxide accounts for 4-7 weight part, magnesium oxide accounts for 2-5 weight part.
Described strengthening agent is carbon black or white carbon black; Described anti-aging agent is anti-aging agent 246; Described dispersion agent is microcrystalline wax; Described cold-resistant agent is phthalic ester; Described promotor is dithio-bis-benzothiazole.
The present invention also provides a kind of preparation method of arctic rubber, comprise the steps: (1) one section mixing: paracril, metal oxide, stearic acid, anti-aging agent, dispersion agent, paraffin, strengthening agent, cold-resistant agent are added Banbury mixer carry out one section mixing, temperature reach 90-105 DEG C and sizing material is agglomerating time be expelled to mill slice and park 24h; (2) two-stage mixing: one section of rubber unvulcanizate is added promotor, and sulphur, superoxide carry out mill thin-pass.
Beneficial effect of the present invention: the present invention, based on paracril, adds the performances for improving paracril such as strengthening agent, stearic acid, metal oxide, anti-aging agent, dispersion agent, cold-resistant agent.Arctic rubber of the present invention remain the oil-resisting and heat-resisting of paracril wear-resisting premium properties, improve the shortcoming of paracril resistance to low temperature difference, make second-order transition temperature reach-57 DEG C, fully meet the service requirements of automobile filter sealing member.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of arctic rubber, the parts by weight of its feed composition are: paracril 1,846 80 parts, paracril 2,845 20 parts, 5 parts, zinc oxide, 3 parts, magnesium oxide, stearic acid 1 part, 246 2 parts, anti-aging agent, microcrystalline wax 3 parts, 1.1 parts, paraffin, white carbon black 83 parts, phthalic ester 95 parts, dithio-bis-benzothiazole 5 parts, 1.2 parts, sulphur, peroxidase 12 .5 part.
The preparation method of arctic rubber, comprise the steps: (1) one section mixing: paracril, metal oxide, stearic acid, anti-aging agent, dispersion agent, paraffin, strengthening agent, cold-resistant agent are added Banbury mixer carry out one section mixing, temperature reach 90-105 DEG C and sizing material is agglomerating time be expelled to mill slice and park 24h; (2) two-stage mixing: one section of rubber unvulcanizate is added promotor, and sulphur, superoxide carry out mill thin-pass.
Embodiment 2
A kind of arctic rubber, the parts by weight of its feed composition are: paracril 1,846 80 parts, paracril 2,845 20 parts, 7 parts, zinc oxide, 3 parts, magnesium oxide, stearic acid 0.5 part, 246 1 parts, anti-aging agent, microcrystalline wax 2 parts, 0.5 part, paraffin, white carbon black 73 parts, phthalic ester 90 parts, dithio-bis-benzothiazole 4 parts, 0.7 part, sulphur, superoxide 1.5 parts.
The preparation method of arctic rubber, comprise the steps: (1) one section mixing: paracril, metal oxide, stearic acid, anti-aging agent, dispersion agent, paraffin, strengthening agent, cold-resistant agent are added Banbury mixer carry out one section mixing, temperature reach 90-105 DEG C and sizing material is agglomerating time be expelled to mill slice and park 24h; (2) two-stage mixing: one section of rubber unvulcanizate is added promotor, and sulphur, superoxide carry out mill thin-pass.
Embodiment 3
A kind of arctic rubber, the parts by weight of its feed composition are: paracril 1,846 80 parts, paracril 2,845 20 parts, 4 parts, zinc oxide, 4 parts, magnesium oxide, stearic acid 1.5 parts, 246 3 parts, anti-aging agent, microcrystalline wax 4 parts, 1.5 parts, paraffin, white carbon black 90 parts, phthalic ester 100 parts, dithio-bis-benzothiazole 6 parts, 1.5 parts, sulphur, superoxide 3.5 parts.
The preparation method of arctic rubber, comprise the steps: (1) one section mixing: paracril, metal oxide, stearic acid, anti-aging agent, dispersion agent, paraffin, strengthening agent, cold-resistant agent are added Banbury mixer carry out one section mixing, temperature reach 90-105 DEG C and sizing material is agglomerating time be expelled to mill slice and park 24h; (2) two-stage mixing: one section of rubber unvulcanizate is added promotor, and sulphur, superoxide carry out mill thin-pass.
Claims (7)
1. an arctic rubber, it is characterized in that, it is made up of the feed composition of following parts by weight: paracril 100 parts, metal oxide 6-12 part, stearic acid 0.5-1.5 part, anti-aging agent 1-3 part, dispersion agent 2-4 part, paraffin 0.1-1.6 part, strengthening agent 70-90 part, cold-resistant agent 90-100 part, promotor 4-6 part, sulphur 0.7-1.5 part, superoxide 1.5-3.5 part.
2. arctic rubber according to claim 1, it is characterized in that, the parts by weight of described each feed composition are preferably paracril 100 parts, metal oxide 7-10 part, stearic acid 0.8-1.2 part, anti-aging agent 1-3 part, dispersion agent 2-4 part, paraffin 0.5-1.5 part, strengthening agent 78-87 part, cold-resistant agent 90-100 part, promotor 4-6 part, sulphur 1-1.5 part, peroxidase 12-3 parts.
3. arctic rubber according to claim 2, it is characterized in that, the parts by weight of described each feed composition are preferably paracril 100 parts, metal oxide 8 parts, stearic acid 1 part, 2 parts, anti-aging agent, dispersion agent 3 parts, 1.1 parts, paraffin, strengthening agent 83 parts, cold-resistant agent 95 parts, promotor 5 parts, 1.2 parts, sulphur, peroxidase 12 .5 part.
4. the arctic rubber according to claim 1 or 2 or 3, is characterized in that, described paracril is paracril 1846, paracril 2845, and wherein paracril 1846 accounts for 80 parts, and paracril 2845 accounts for 20 parts.
5. the arctic rubber according to claim 1 or 2 or 3, is characterized in that, described metal oxide is zinc oxide and magnesian mixture, and wherein, zinc oxide accounts for 4-7 weight part, magnesium oxide accounts for 2-5 weight part.
6. the arctic rubber according to claim 1 or 2 or 3, is characterized in that, described strengthening agent is carbon black or white carbon black; Described anti-aging agent is anti-aging agent 246; Described dispersion agent is microcrystalline wax; Described cold-resistant agent is phthalic ester; Described promotor is dithio-bis-benzothiazole.
7. prepare the method for arctic rubber as claimed in claim 1 for one kind, it is characterized in that, comprise the steps: (1) one section mixing: paracril, metal oxide, stearic acid, anti-aging agent, dispersion agent, paraffin, strengthening agent, cold-resistant agent are added Banbury mixer carry out one section mixing, temperature reach 90-105 DEG C and sizing material is agglomerating time be expelled to mill slice and park 24h; (2) two-stage mixing: one section of rubber unvulcanizate is added promotor, and sulphur, superoxide carry out mill thin-pass.
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CN201310319140.0A CN104341628A (en) | 2013-07-28 | 2013-07-28 | Cold-resistant rubber and preparation method thereof |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105504400A (en) * | 2015-12-31 | 2016-04-20 | 宁国市顺达密封件制造有限公司 | Rubber element which is used for filter and resistant to low temperature of -43 DEG C |
CN109181036A (en) * | 2018-11-07 | 2019-01-11 | 太仓冠联高分子材料有限公司 | A kind of high revolving speed long-life outside framework oil seal NBR rubber compound and preparation method thereof |
CN109880200A (en) * | 2019-03-11 | 2019-06-14 | 韩振 | A kind of self-priming chemical pump rubber seal |
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 |
CN112679810A (en) * | 2020-12-15 | 2021-04-20 | 泉州市华实橡塑科技有限公司 | Rubber compound for diamond wire saw, preparation method and diamond wire saw |
CN116178810A (en) * | 2023-02-06 | 2023-05-30 | 东莞市瑞拓五金橡塑有限公司 | Low-temperature-resistant and wear-resistant nitrile rubber for sealing element and preparation method thereof |
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CN101333307A (en) * | 2008-06-27 | 2008-12-31 | 南京固柏橡塑制品有限公司 | Cold resistant rubber |
US20090258980A1 (en) * | 2008-04-14 | 2009-10-15 | Nok Corporation | Hydrogenated nbr composition |
CN102504364A (en) * | 2011-10-07 | 2012-06-20 | 宁波市天基汽车部件有限公司 | Preparation method of copper-corrosion-resistant nitrile rubber material |
CN102993501A (en) * | 2012-10-23 | 2013-03-27 | 镇江铁科橡塑制品有限公司 | Rubber packing leather material used for brake cylinder system and rubber packing leather prepared by utilizing same |
CN103205036A (en) * | 2013-05-06 | 2013-07-17 | 布柯玛蓄能器(天津)有限公司 | Low-temperature accumulator capsule and preparation method thereof |
CN103205035A (en) * | 2013-04-01 | 2013-07-17 | 宁国市顺达密封件制造有限公司 | Sealing gasket for oil filter |
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2013
- 2013-07-28 CN CN201310319140.0A patent/CN104341628A/en active Pending
Patent Citations (6)
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US20090258980A1 (en) * | 2008-04-14 | 2009-10-15 | Nok Corporation | Hydrogenated nbr composition |
CN101333307A (en) * | 2008-06-27 | 2008-12-31 | 南京固柏橡塑制品有限公司 | Cold resistant rubber |
CN102504364A (en) * | 2011-10-07 | 2012-06-20 | 宁波市天基汽车部件有限公司 | Preparation method of copper-corrosion-resistant nitrile rubber material |
CN102993501A (en) * | 2012-10-23 | 2013-03-27 | 镇江铁科橡塑制品有限公司 | Rubber packing leather material used for brake cylinder system and rubber packing leather prepared by utilizing same |
CN103205035A (en) * | 2013-04-01 | 2013-07-17 | 宁国市顺达密封件制造有限公司 | Sealing gasket for oil filter |
CN103205036A (en) * | 2013-05-06 | 2013-07-17 | 布柯玛蓄能器(天津)有限公司 | Low-temperature accumulator capsule and preparation method thereof |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105504400A (en) * | 2015-12-31 | 2016-04-20 | 宁国市顺达密封件制造有限公司 | Rubber element which is used for filter and resistant to low temperature of -43 DEG C |
CN109181036A (en) * | 2018-11-07 | 2019-01-11 | 太仓冠联高分子材料有限公司 | A kind of high revolving speed long-life outside framework oil seal NBR rubber compound and preparation method thereof |
CN109880200A (en) * | 2019-03-11 | 2019-06-14 | 韩振 | A kind of self-priming chemical pump rubber seal |
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 |
CN112679810A (en) * | 2020-12-15 | 2021-04-20 | 泉州市华实橡塑科技有限公司 | Rubber compound for diamond wire saw, preparation method and diamond wire saw |
CN116178810A (en) * | 2023-02-06 | 2023-05-30 | 东莞市瑞拓五金橡塑有限公司 | Low-temperature-resistant and wear-resistant nitrile rubber for sealing element and preparation method thereof |
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Application publication date: 20150211 |
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