CN104212014A - Aging-resistant modified rubber with high shock absorption performance - Google Patents
Aging-resistant modified rubber with high shock absorption performance Download PDFInfo
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- CN104212014A CN104212014A CN201410457666.XA CN201410457666A CN104212014A CN 104212014 A CN104212014 A CN 104212014A CN 201410457666 A CN201410457666 A CN 201410457666A CN 104212014 A CN104212014 A CN 104212014A
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Abstract
The invention discloses an aging-resistant modified rubber with high shock absorption performance. The aging-resistant modified rubber comprises the following components in parts by weight: 55-65 parts of modified chloroprene rubber, 33-45 parts of natural rubber, 42-50 parts of styrene-butadiene rubber, 20-25 parts of white carbon black, 15-25 parts of carbon black, 11-13 parts of pot clay, 3-5 parts of a silane coupling agent kh570, 4.3-6.5 parts of sulfur, 2.2-2.4 parts of a promoter M, 1.5-2 parts of a promoter DM, 3-7 parts of octylated diphenylamine, 2.6-3.8 parts of an anti-aging agent BLE, 3-5 parts of paraffin, 2-3 parts of coconut oil, 2.5-4 parts of dioctyl phthalate, 3-6 parts of naphthenic oil, 1.2-1.5 parts of stearic amide and 2.2-2.5 parts of epoxy resin. The aging-resistant modified rubber disclosed by the invention has excellent aging resistance and shock absorption performance.
Description
Technical field
The present invention relates to modified rubber technical field, particularly relate to a kind of ageing-resistant high damping performance modified rubber.
Background technology
Shock absorbing rubber product is usually used in the industrial production sectors such as railway transport vehicle, automobile, machinery, and it by the vibrations absorbed or produced by motion by the high damping effect abatement of goods, thus reaches the object of damping.But the shock absorbing rubber product loss of properties on aging that existing technology uses chloroprene rubber to make as main raw material, damping performance are weak, directly have influence on widely using of yielding rubber.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes a kind of ageing-resistant high damping performance modified rubber, ageing-resistant, damping performance is excellent.
The ageing-resistant high damping performance modified rubber of one that the present invention proposes, it comprises by weight: modified chloroprene rubber 55-65 part, natural rubber 33-45 part, styrene-butadiene rubber(SBR) 42-50 part, white carbon black 20-25 part, carbon black 15-25 part, potter's clay 11-13 part, silane coupling agent kh570 3-5 part, sulphur 4.3-6.5 part, captax 2.2-2.4 part, altax 1.5-2 part, octylated diphenylamine 3-7 part, antioxidant BLE 2.6-3.8 part, paraffin 3-5 part, Oleum Cocois 2-3 part, dioctylphthalate 2.5-4 part, naphthene base crude oil 3-6 part, stearylamide 1.2-1.5 part, epoxy resin 2.2-2.5 part, wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 92-95:5-8 by weight.
Preferably, the weight ratio of modified chloroprene rubber, natural rubber, styrene-butadiene rubber(SBR) is 58-60:36-40:45-48.
Preferably, the weight ratio of white carbon black, carbon black, potter's clay is 22-24:16-20:12.
Preferably, its raw material comprises by weight: modified chloroprene rubber 58-60 part, natural rubber 36-40 part; styrene-butadiene rubber(SBR) 45-48 part; white carbon black 22-24 part, carbon black 16-20 part, 12 parts, potter's clay; silane coupling agent kh570 4 parts; sulphur 5-6 part, captax 2.3 parts, altax 1.6-1.8 part, octylated diphenylamine 4-6 part; antioxidant BLE 3.1-3.5 part; 4 parts, paraffin, Oleum Cocois 2.5-2.8 part, dioctylphthalate 2.7-3.2 part, naphthene base crude oil 4-5 part; stearylamide 1.3-1.4 part, epoxy resin 2.3-2.4 part; Wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 93-94:6-7 by weight.
Preferably, the water content of natural rubber is 6-7wt%.
The present invention adopts modified chloroprene rubber, natural rubber, styrene-butadiene rubber(SBR) to be major ingredient, make damping performance of the present invention and ageing-resistant performance better; Add white carbon black, carbon black, potter's clay as reinforcing filler, expand volume of the present invention, reduce costs, significantly improve the ability of absorbing vibration of the present invention, improve damping performance, reduce the contact area of rubber molecule and oxygen simultaneously, improve ageing-resistant performance of the present invention; Add sulphur as vulcanizing agent, the cross-linking density of various raw material can be increased, contribute to the formation of " reticulated structure " between rubber molecule, make the present invention's intermolecular high damping motor capacity more excellent, thus reach the object of abatement vibrations; Add altax, captax cooperation forms vulcanization system, make vulcanization rate of the present invention fast, compression deformation rate is low, and the molecular structure of formation can hold other raw materials more equably, thus further enhancing cushioning ability of the present invention; Add epoxy resin as scorch retarder, incipient scorch phenomenon in Vulcanization Process of Rubber can be suppressed, improve the package stability of green compound, improve the security in the course of processing of the present invention; Silane coupling agent kh570 adds, make various stock dispersion degree high, the reinforcing filler of above-mentioned interpolation and the contact area of rubber molecule can be increased in sulfidation, improve the compatibility performance of each raw material, participation rubber molecule is cross-linked, formed a kind of " overall network effect ", strengthen cushioning ability of the present invention; Octylated diphenylamine 3-7 part, the use of antioxidant BLE, can react with rubber molecule, keeps the mechanical property of rubber the best, improves ageing-resistant performance of the present invention; The use of dioctylphthalate, naphthene base crude oil, improves plasticizing capacity of the present invention; And paraffin, Oleum Cocois use as tenderizer, improve further the present invention plastic while, reduce material viscosity and mixing time temperature, improve dispersed and Combination, improve tensile strength of the present invention, elongation and damping performance; Use stearylamide as releasing agent, when making the present invention form finished product, smooth surface, cleaning, be easier to depart from from mould.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The ageing-resistant high damping performance modified rubber of one that the present invention proposes, it comprises by weight: modified chloroprene rubber 65 parts, natural rubber 33 parts; 50 parts, styrene-butadiene rubber(SBR); white carbon black 20 parts, carbon black 25 parts, 11 parts, potter's clay; silane coupling agent kh570 5 parts; 4.3 parts, sulphur, captax 2.2 parts, altax 2 parts, octylated diphenylamine 3 parts; antioxidant BLE 3.8 parts; 3 parts, paraffin, Oleum Cocois 3 parts, dioctylphthalate 2.5 parts, naphthene base crude oil 6 parts; stearylamide 1.2 parts, epoxy resin 2.5 parts; Wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 92:8 by weight, and the water content of natural rubber is 7wt%.
Embodiment 2
The ageing-resistant high damping performance modified rubber of one that the present invention proposes, it comprises by weight: modified chloroprene rubber 55 parts, natural rubber 45 parts; 42 parts, styrene-butadiene rubber(SBR); white carbon black 25 parts, carbon black 15 parts, 13 parts, potter's clay; silane coupling agent kh570 3 parts; 6.5 parts, sulphur, captax 2.4 parts, altax 1.5 parts, octylated diphenylamine 7 parts; antioxidant BLE 2.6 parts; 5 parts, paraffin, Oleum Cocois 2 parts, dioctylphthalate 4 parts, naphthene base crude oil 3 parts; stearylamide 1.5 parts, epoxy resin 2.2 parts; Wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 95:5 by weight, and the water content of natural rubber is 6wt%.
Embodiment 3
The ageing-resistant high damping performance modified rubber of one that the present invention proposes, it comprises by weight: modified chloroprene rubber 60 parts, natural rubber 36 parts; 48 parts, styrene-butadiene rubber(SBR); white carbon black 22 parts, carbon black 20 parts, 12 parts, potter's clay; silane coupling agent kh570 4 parts; 5 parts, sulphur, captax 2.3 parts, altax 1.8 parts, octylated diphenylamine 4 parts; antioxidant BLE 3.5 parts; 4 parts, paraffin, Oleum Cocois 2.5 parts, dioctylphthalate 3.2 parts, naphthene base crude oil 4 parts; stearylamide 1.4 parts, epoxy resin 2.3 parts; Wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 94:6 by weight, and the water content of natural rubber is 7wt%.
Embodiment 4
The ageing-resistant high damping performance modified rubber of one that the present invention proposes, it comprises by weight: modified chloroprene rubber 58 parts, natural rubber 40 parts; 45 parts, styrene-butadiene rubber(SBR); white carbon black 24 parts, carbon black 16 parts, 12 parts, potter's clay; silane coupling agent kh570 4 parts; 6 parts, sulphur, captax 2.3 parts, altax 1.6 parts, octylated diphenylamine 6 parts; antioxidant BLE 3.1 parts; 4 parts, paraffin, Oleum Cocois 2.8 parts, dioctylphthalate 2.7 parts, naphthene base crude oil 5 parts; stearylamide 1.3 parts, epoxy resin 2.4 parts; Wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 93:7 by weight, and the water content of natural rubber is 6wt%.
Performance test is carried out to embodiment 1-4, with common modifications rubber for control group, wherein, the test condition of tensile strength aging coefficient, tensile elongation aging coefficient is 100 DEG C, 7 days aging.
| Test event | Unit | Embodiment 1-4 mean value | Control group |
| Tensile elongation | Eh/％ | 66 | 58 |
| Shore hardness | / | 68 | 56 |
| Tensile strength aging coefficient k1 | / | 0.91 | 0.83 |
| Tensile elongation aging coefficient k2 | / | 0.75 | 0.64 |
| Dynamic multiplying power Ed (15Hz, 0.25%) | Es | 1.53 | 1.66 |
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (5)
1. an ageing-resistant high damping performance modified rubber, it is characterized in that, it comprises by weight: modified chloroprene rubber 55-65 part, natural rubber 33-45 part, styrene-butadiene rubber(SBR) 42-50 part, white carbon black 20-25 part, carbon black 15-25 part, potter's clay 11-13 part, silane coupling agent kh570 3-5 part, sulphur 4.3-6.5 part, captax 2.2-2.4 part, altax 1.5-2 part, octylated diphenylamine 3-7 part, antioxidant BLE 2.6-3.8 part, paraffin 3-5 part, Oleum Cocois 2-3 part, dioctylphthalate 2.5-4 part, naphthene base crude oil 3-6 part, stearylamide 1.2-1.5 part, epoxy resin 2.2-2.5 part, wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 92-95:5-8 by weight.
2. ageing-resistant high damping performance modified rubber according to claim 1, it is characterized in that, the weight ratio of modified chloroprene rubber, natural rubber, styrene-butadiene rubber(SBR) is 58-60:36-40:45-48.
3. ageing-resistant high damping performance modified rubber according to claim 2, it is characterized in that, the weight ratio of white carbon black, carbon black, potter's clay is 22-24:16-20:12.
4. ageing-resistant high damping performance modified rubber according to claim 3, it is characterized in that, its raw material comprises modified chloroprene rubber 58-60 part by weight, natural rubber 36-40 part, styrene-butadiene rubber(SBR) 45-48 part, white carbon black 22-23 part, carbon black 17-20 part, 12 parts, potter's clay, silane coupling agent kh570 4 parts, sulphur 5-6 part, captax 2.3 parts, altax 1.6-1.8 part, octylated diphenylamine 4-6 part, antioxidant BLE 3.1-3.5 part, 4 parts, paraffin, Oleum Cocois 2.5-2.8 part, dioctylphthalate 2.7-3.2 part, naphthene base crude oil 4-5 part, stearylamide 1.3-1.4 part, epoxy resin 2.3-2.4 part, wherein, modified chloroprene rubber is that chloroprene rubber and dialkyl xanthogen disulfide obtain through emulsion polymerization for 93-94:6-7 by weight.
5. ageing-resistant high damping performance modified rubber according to any one of claim 1-4, is characterized in that, the water content of natural rubber is 6-7wt%.
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| CN201410457666.XA CN104212014A (en) | 2014-09-10 | 2014-09-10 | Aging-resistant modified rubber with high shock absorption performance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104650431A (en) * | 2015-02-12 | 2015-05-27 | 柳州聚龙科技有限公司 | Shock-absorbing rubber material |
| CN110655778A (en) * | 2019-10-22 | 2020-01-07 | 江苏金洋机械有限公司 | Rubber composite material with high damping performance and preparation method thereof |
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| JP3618271B2 (en) * | 2000-01-25 | 2005-02-09 | 弘 岡本 | Modified rubber and rubber composition excellent in vibration damping |
| CN101560311A (en) * | 2009-02-13 | 2009-10-21 | 青岛四方车辆研究所有限公司 | Railway vehicle vibration damping and anti-flaming rubber product and preparation method thereof |
| CN101796123A (en) * | 2007-09-14 | 2010-08-04 | 电气化学工业株式会社 | Chloroprene rubber composition and use thereof |
| CN101885863A (en) * | 2010-07-06 | 2010-11-17 | 南京信息工程大学 | Rubber, sepiolite, ferric oxide, cobalt oxide and barium oxide composite material and preparation method thereof |
| CN103221474A (en) * | 2010-11-26 | 2013-07-24 | 电气化学工业株式会社 | Chloroprene rubber composition, and vulcanizate and molding thereof |
| JP5501568B2 (en) * | 2008-02-21 | 2014-05-21 | クレハエラストマー株式会社 | Damping material |
| CN104130467A (en) * | 2014-08-10 | 2014-11-05 | 宁国市宁盛橡塑制品有限公司 | Shock-absorbing and foaming rubber material |
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2014
- 2014-09-10 CN CN201410457666.XA patent/CN104212014A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3618271B2 (en) * | 2000-01-25 | 2005-02-09 | 弘 岡本 | Modified rubber and rubber composition excellent in vibration damping |
| CN101796123A (en) * | 2007-09-14 | 2010-08-04 | 电气化学工业株式会社 | Chloroprene rubber composition and use thereof |
| JP5501568B2 (en) * | 2008-02-21 | 2014-05-21 | クレハエラストマー株式会社 | Damping material |
| CN101560311A (en) * | 2009-02-13 | 2009-10-21 | 青岛四方车辆研究所有限公司 | Railway vehicle vibration damping and anti-flaming rubber product and preparation method thereof |
| CN101885863A (en) * | 2010-07-06 | 2010-11-17 | 南京信息工程大学 | Rubber, sepiolite, ferric oxide, cobalt oxide and barium oxide composite material and preparation method thereof |
| CN103221474A (en) * | 2010-11-26 | 2013-07-24 | 电气化学工业株式会社 | Chloroprene rubber composition, and vulcanizate and molding thereof |
| CN104130467A (en) * | 2014-08-10 | 2014-11-05 | 宁国市宁盛橡塑制品有限公司 | Shock-absorbing and foaming rubber material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104650431A (en) * | 2015-02-12 | 2015-05-27 | 柳州聚龙科技有限公司 | Shock-absorbing rubber material |
| CN110655778A (en) * | 2019-10-22 | 2020-01-07 | 江苏金洋机械有限公司 | Rubber composite material with high damping performance and preparation method thereof |
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