CN102731861A - Butyronitrile-butylbenzene mixed rubber with high hardness - Google Patents
Butyronitrile-butylbenzene mixed rubber with high hardness Download PDFInfo
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- CN102731861A CN102731861A CN2012101732031A CN201210173203A CN102731861A CN 102731861 A CN102731861 A CN 102731861A CN 2012101732031 A CN2012101732031 A CN 2012101732031A CN 201210173203 A CN201210173203 A CN 201210173203A CN 102731861 A CN102731861 A CN 102731861A
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Abstract
The invention discloses a butyronitrile-butylbenzene mixed rubber with high hardness. The mixed rubber is prepared from nitrile rubber 3345, styrene-butadiene rubber, antioxidant NBC, antioxidant MB, stearic acid, sulfur powder, microcrystalline wax, zinc oxide, processing aid WB212, acetylene black, carbon black SRF, dioctyl maleate, promoter TMTD, promoter M, promoter DM, nanometer silica, modified acrylate, machine oil, nanometer calcined kaolin, a plasticizer, etc. The butyronitrile-butylbenzene mixed rubber provided in the invention has high hardness and good resilience at the same time; and the mixed rubber is used for fabricating rubber products like sealing rings, having the advantages of conservation of cost and excellent performance.
Description
Technical field
The present invention relates to the rubber unvulcanizate field, exactly is a kind of high firmness butyronitrile, butylbenzene mixing of rubber.
Background technology
Paracril claims divinyl one acrylic-nitrile rubber again, is called for short NBR, molecular-weight average about 700,000.Pearl to light yellow bulk or powdery solid, specific density 0.95～1.0.Acrylonitrile content is one 52 ℃ of 26% paracril second-order transition temperature Tg=, one 47 ℃ of embrittlement temperature Tb=, and acrylonitrile content is one 22 ℃ of 40% paracril second-order transition temperature Tg=.SP δ=8.9～9.9 are dissolved in vinyl acetic monomer, N-BUTYL ACETATE, chlorobenzene, methylethylketone etc.Paracril has excellent oil resistance, and its oil-proofness is only second to thiorubber and viton, and wear resistance that has and resistance to air loss.The shortcoming of nitrile rubber is not anti-ozone and aromatic series, halohydrocarbon, ketone and esters solvent, is unfit to do insulating material.Thermotolerance is superior to styrene-butadiene rubber(SBR), X 050, can be 120 ℃ of long term operations.Resistance to air loss is only second to butyl rubber.The performance of paracril is influenced by acrylonitrile content, improve along with acrylonitrile content increases tensile strength, thermotolerance, oil-proofness, resistance to air loss, hardness, but elasticity, winter hardiness reduces.Paracril ozone resistance and electrical insulation capability are not good.And existing sealing-ring goods require to have higher hardness, therefore consider to adopt compounding rubber, thereby reach requirement.
Summary of the invention
The object of the invention provides a kind of high firmness butyronitrile, butylbenzene mixing of rubber.
Above-mentioned purpose realizes through following scheme:
A kind of high firmness butyronitrile, butylbenzene mixing of rubber is characterized in that:
It is to be processed by the raw material of following weight parts:
Paracril 3345 70-90, styrene-butadiene rubber(SBR) 20-30, antioxidant NBC 1.6-2.3, antioxidant MB 1.0-1.2; Triple Pressed Stearic Acid 1.0-1.2, SULPHUR POWDER 0.5-0.8, Microcrystalline Wax 0.8-1.0, zinc oxide 4-5; Processing aid WB212 0.8-1.0, Shawinigan black 40-42, carbon black SRF 30-35, dioctyl maleate 35-40; TM monex TD 1-1.5, captax 1-1.5, altax 1.6-2.3, nano silicon 2-4; Modification acrylate 4-5, machine oil 2-3, nanometer calcined kaolin 2-3, softening agent 2-4.
Described a kind of high firmness butyronitrile, butylbenzene mixing of rubber is characterized in that: described modification acrylate adopts organosilicon-modified acrylate, or is got by the material modification preparation of following weight part:
Tertiary ethylene carbonate 8-12
Vinylbenzene 8-10
Propenoate 6-7
Allyloxy hydroxypropyl azochlorosulfonate acid sodium 1-2
Z 150PH 3-4
Vinylformic acid 3-4
Sodium Persulfate 0.3-0.5
Antioxidant 1010 0.3-0.5
N-BUTYL ACETATE 40-45;
Its preparation method is: N-BUTYL ACETATE is added in the reaction kettle, and the inflated with nitrogen protection adds other reaction raw materials beyond the Sodium Persulfate in the reaction kettle again; Stir, be heated to 130-140 ℃, Sodium Persulfate is added in the reaction kettle; Stir, insulation reaction 3-4 hour, be cooled to about 85 ℃ after; Filter, promptly get.
Described a kind of high firmness butyronitrile, butylbenzene mixing of rubber is characterized in that: described softening agent adopts tributyl citrate, or adopts the feedstock production modification of following weight part and get:
Tributyl citrate 10-12
Propyl carbinol 3-4
Polyoxyethylene glycol 5-8
Clorafin 20-25
Nano-TiO
20.2-0.5
Nano oxidized barium 0.2-0.5
Tritolyl Phosphate 18-23; Its preparation method for said components heat, emulsification, the packing promptly get.
Described a kind of high firmness butyronitrile, butylbenzene mixing of rubber is characterized in that: it adopts the calendering process preparation and gets.
Described a kind of high firmness butyronitrile, butylbenzene mixing of rubber, it is characterized in that: preparation technology is:
At first with paracril 3345, styrene-butadiene rubber(SBR), antioxidant NBC, antioxidant MB, Triple Pressed Stearic Acid, SULPHUR POWDER, Microcrystalline Wax, zinc oxide, processing aid WB212, modification acrylate, softening agent, machine oil, nanometer calcined kaolin put into Banbury mixer under 70-75 ℃ mixing by weight fully after; Again with gained sizing material and Shawinigan black, carbon black SRF, nano silicon, dioctyl maleate put into mill under 80-85 ℃ mixing by weight fully after; Add again TM monex TD, captax, altax in 90-95 ℃ mixing by weight fully after, the reprocessing moulding promptly gets.
Beneficial effect of the present invention is:
High firmness of the present invention, simultaneously rebound resilience is good, is used to make rubber items such as sealing-ring, practices thrift cost, superior performance.
Embodiment
Embodiment 1: a kind of high firmness butyronitrile, butylbenzene mixing of rubber, and it is to be processed by the raw material of following weight parts:
Paracril 3,345 70, styrene-butadiene rubber(SBR) 20, antioxidant NBC 2.3, antioxidant MB 1.2, Triple Pressed Stearic Acid 1.0; SULPHUR POWDER 0.6, Microcrystalline Wax 0.9, zinc oxide 4, processing aid WB212 0.9, Shawinigan black 41; Carbon black SRF 32, dioctyl maleate 38, TM monex TD 1, captax 1.5, altax 1.8; Nano silicon 3, modification acrylate 4, machine oil 2, nanometer calcined kaolin 2, softening agent 4.
Described modification acrylate is got by the material modification preparation of following weight part:
Tertiary ethylene carbonate 10
Vinylbenzene 10
Propenoate 7
Allyloxy hydroxypropyl azochlorosulfonate acid sodium 1
Z 150PH 3
Vinylformic acid 3
Permethyl 99A. base mercaptan 0.1
Sodium Persulfate 0.5
Antioxidant 1010 0.5
N-BUTYL ACETATE 45;
The modification acrylate preparation method is: N-BUTYL ACETATE is added in the reaction kettle, and the inflated with nitrogen protection adds other reaction raw materials beyond the Sodium Persulfate in the reaction kettle again; Stir, be heated to 130 ℃, Sodium Persulfate is added in the reaction kettle; Stir, insulation reaction 3 hours, be cooled to 85 ℃ after; Filter, promptly get.
Described softening agent adopts the feedstock production modification of following weight part and gets:
Tributyl citrate 10
Propyl carbinol 3
Polyoxyethylene glycol 8
Clorafin 25
Nano-TiO
20.5
Nano oxidized barium 0.2
Tritolyl Phosphate 20; Its preparation method for said components heat, emulsification, the packing promptly get.
Described a kind of high firmness butyronitrile, butylbenzene mixing of rubber, preparation technology is:
At first with paracril 3345, styrene-butadiene rubber(SBR), antioxidant NBC, antioxidant MB, Triple Pressed Stearic Acid, SULPHUR POWDER, Microcrystalline Wax, zinc oxide, processing aid WB212, modification acrylate, machine oil, nanometer calcined kaolin, softening agent put into Banbury mixer under 73 ℃ mixing by weight fully after; Again with gained sizing material and Shawinigan black, carbon black SRF, nano silicon, dioctyl maleate put into mill under 85 ℃ mixing by weight fully after; Add again TM monex TD, captax, altax in 93 ℃ mixing by weight fully after, the reprocessing moulding promptly gets.
Your the hardness A MV that continues of present embodiment is 64, and hardness is high, tensile yield >=280, good springiness.Be used to make high firmness butyronitrile, butylbenzene mixing of rubber, practice thrift cost, superior performance.
Embodiment 2:
A kind of high firmness butyronitrile, butylbenzene mixing of rubber, it is to be processed by the raw material of following weight parts:
Paracril 3,345 70, styrene-butadiene rubber(SBR) 20, antioxidant NBC 2.3, antioxidant MB 1.2, Triple Pressed Stearic Acid 1.0; SULPHUR POWDER 0.6, Microcrystalline Wax 0.9, zinc oxide 4, processing aid WB212 0.9, Shawinigan black 41; Carbon black SRF 32, dioctyl maleate 38, TM monex TD 1, captax tributyl citrate .5, altax 1.8; Nano silicon 3, organosilicon-modified acrylate 4, machine oil 2, nanometer calcined kaolin 2, tributyl citrate 4.
Preparation technology is:
At first with paracril 3345, styrene-butadiene rubber(SBR), antioxidant NBC, antioxidant MB, Triple Pressed Stearic Acid, SULPHUR POWDER, Microcrystalline Wax, zinc oxide, processing aid WB212, modification acrylate, machine oil, nanometer calcined kaolin, softening agent put into Banbury mixer under 73 ℃ mixing by weight fully after; Again with gained sizing material and Shawinigan black, carbon black SRF, nano silicon, dioctyl maleate put into mill under 85 ℃ mixing by weight fully after; Add again TM monex TD, captax, altax in 93 ℃ mixing by weight fully after, the reprocessing moulding promptly gets.
Your the hardness A MV that continues of present embodiment is 60, and hardness is high, tensile yield >=260, good springiness.Be used to make high firmness butyronitrile, butylbenzene mixing of rubber, practice thrift cost, superior performance.
Claims (5)
1. a high firmness butyronitrile, butylbenzene mixing of rubber is characterized in that:
It is to be processed by the raw material of following weight parts:
Paracril 3345 70-90, styrene-butadiene rubber(SBR) 20-30, antioxidant NBC 1.6-2.3, antioxidant MB 1.0-1.2; Triple Pressed Stearic Acid 1.0-1.2, SULPHUR POWDER 0.5-0.8, Microcrystalline Wax 0.8-1.0, zinc oxide 4-5; Processing aid WB212 0.8-1.0, Shawinigan black 40-42, carbon black SRF 30-35, dioctyl maleate 35-40; TM monex TD 1-1.5, captax 1-1.5, altax 1.6-2.3, nano silicon 2-4; Modification acrylate 4-5, machine oil 2-3, nanometer calcined kaolin 2-3, softening agent 2-4.
2. a kind of high firmness butyronitrile according to claim 1, butylbenzene mixing of rubber is characterized in that: described modification acrylate adopts organosilicon-modified acrylate, or is got by the material modification preparation of following weight part:
Tertiary ethylene carbonate 8-12
Vinylbenzene 8-10
Propenoate 6-7
Allyloxy hydroxypropyl azochlorosulfonate acid sodium 1-2
Z 150PH 3-4
Vinylformic acid 3-4
Sodium Persulfate 0.3-0.5
Antioxidant 1010 0.3-0.5
N-BUTYL ACETATE 40-45;
Its preparation method is: N-BUTYL ACETATE is added in the reaction kettle, and the inflated with nitrogen protection adds other reaction raw materials beyond the Sodium Persulfate in the reaction kettle again; Stir, be heated to 130-140 ℃, Sodium Persulfate is added in the reaction kettle; Stir, insulation reaction 3-4 hour, be cooled to about 85 ℃ after; Filter, promptly get.
3. a kind of high firmness butyronitrile according to claim 1, butylbenzene mixing of rubber is characterized in that: described softening agent adopts tributyl citrate, or adopts the feedstock production modification of following weight part and get:
Tributyl citrate 10-12
Propyl carbinol 3-4
Polyoxyethylene glycol 5-8
Clorafin 20-25
Nano-TiO
20.2-0.5
Nano oxidized barium 0.2-0.5
Tritolyl Phosphate 18-23; Its preparation method for said components heat, emulsification, the packing promptly get.
4. a kind of high firmness butyronitrile according to claim 1, butylbenzene mixing of rubber is characterized in that: it adopts the calendering process preparation and gets.
5. a kind of high firmness butyronitrile according to claim 1, butylbenzene mixing of rubber, it is characterized in that: preparation technology is:
At first with paracril 3345, styrene-butadiene rubber(SBR), antioxidant NBC, antioxidant MB, Triple Pressed Stearic Acid, SULPHUR POWDER, Microcrystalline Wax, zinc oxide, processing aid WB212, modification acrylate, softening agent, machine oil, nanometer calcined kaolin put into Banbury mixer under 70-75 ℃ mixing by weight fully after; Again with gained sizing material and Shawinigan black, carbon black SRF, nano silicon, dioctyl maleate put into mill under 80-85 ℃ mixing by weight fully after; Add again TM monex TD, captax, altax in 90-95 ℃ mixing by weight fully after, the reprocessing moulding promptly gets.
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| CN 201210173203 CN102731861B (en) | 2012-05-30 | 2012-05-30 | Butyronitrile-butylbenzene mixed rubber with high hardness |
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| CN 201210173203 CN102731861B (en) | 2012-05-30 | 2012-05-30 | Butyronitrile-butylbenzene mixed rubber with high hardness |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964648A (en) * | 2012-11-19 | 2013-03-13 | 中特华星电缆股份有限公司 | Insulation shielding material for mining rubber jacketed cable and preparation method of insulation shielding material |
| CN103554575A (en) * | 2013-10-30 | 2014-02-05 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure sealing product |
| CN103554576A (en) * | 2013-10-30 | 2014-02-05 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure sealing material |
| CN103554582A (en) * | 2013-10-30 | 2014-02-05 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure sealing product |
| CN103819766A (en) * | 2014-02-25 | 2014-05-28 | 上海平泰橡胶制品有限公司 | Rubber sealing ring for drinking water pipe joint and preparation method |
| CN104610609A (en) * | 2015-01-28 | 2015-05-13 | 柳州市俊杰汽配制造有限公司 | Production process of O-shaped seal ring |
| US20160152790A1 (en) * | 2013-07-11 | 2016-06-02 | Nok Corporation | Nitrile rubber composition |
| CN108752672A (en) * | 2018-06-22 | 2018-11-06 | 太仓市开源橡胶有限公司 | A kind of sealing ring and preparation method thereof |
| CN115304835A (en) * | 2022-07-21 | 2022-11-08 | 太仓精艺弹簧有限公司 | Anti-aging sealing ring for heat exchange pipeline of compressor |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964648B (en) * | 2012-11-19 | 2015-02-11 | 中特华星电缆股份有限公司 | Insulation shielding material for mining rubber jacketed cable and preparation method of insulation shielding material |
| CN102964648A (en) * | 2012-11-19 | 2013-03-13 | 中特华星电缆股份有限公司 | Insulation shielding material for mining rubber jacketed cable and preparation method of insulation shielding material |
| US20160152790A1 (en) * | 2013-07-11 | 2016-06-02 | Nok Corporation | Nitrile rubber composition |
| CN103554576B (en) * | 2013-10-30 | 2016-08-17 | 盐城美希密封件有限公司 | A kind of superhigh pressure sealing material |
| CN103554582A (en) * | 2013-10-30 | 2014-02-05 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure sealing product |
| CN103554576A (en) * | 2013-10-30 | 2014-02-05 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure sealing material |
| CN103554575A (en) * | 2013-10-30 | 2014-02-05 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure sealing product |
| CN103554575B (en) * | 2013-10-30 | 2016-08-24 | 盐城美希密封件有限公司 | A kind of superhigh pressure sealing goods |
| CN103819766A (en) * | 2014-02-25 | 2014-05-28 | 上海平泰橡胶制品有限公司 | Rubber sealing ring for drinking water pipe joint and preparation method |
| CN103819766B (en) * | 2014-02-25 | 2016-03-23 | 上海平泰橡胶制品有限公司 | For the rubber seal and preparation method thereof of drinking water pipeline joint |
| CN104610609A (en) * | 2015-01-28 | 2015-05-13 | 柳州市俊杰汽配制造有限公司 | Production process of O-shaped seal ring |
| CN108752672A (en) * | 2018-06-22 | 2018-11-06 | 太仓市开源橡胶有限公司 | A kind of sealing ring and preparation method thereof |
| CN108752672B (en) * | 2018-06-22 | 2021-01-12 | 太仓市开源橡胶有限公司 | Sealing ring and preparation method thereof |
| CN115304835A (en) * | 2022-07-21 | 2022-11-08 | 太仓精艺弹簧有限公司 | Anti-aging sealing ring for heat exchange pipeline of compressor |
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| CN102731861B (en) | 2013-08-14 |
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