CN105400016A - High-strength rubber and preparation method thereof - Google Patents
High-strength rubber and preparation method thereof Download PDFInfo
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- CN105400016A CN105400016A CN201510890236.1A CN201510890236A CN105400016A CN 105400016 A CN105400016 A CN 105400016A CN 201510890236 A CN201510890236 A CN 201510890236A CN 105400016 A CN105400016 A CN 105400016A
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Abstract
The invention discloses high-strength rubber and a preparation method thereof. The rubber is prepared from 30-60 parts of butadiene-acrylonitrile rubber, 20-50 parts of chloroprene rubber, 8-25 parts of natural rubber, 3-11 parts of titanium dioxide, 2-7 parts of talcum powder, 3-7 parts of zinc oxide, 8-15 parts of chlorinated polyethylene, 6-10 parts of octyl phenolic resin, 15-25 parts of reinforcing filler, 5-13 parts of vulcanizing activator, 0.8-1.8 parts of vulcanizing agent, 1.2-3 parts of vulcanizing accelerator, 6-10 parts of plasticizer and 2-4 parts of anti-aging agent. A coating has the advantages of being high in strength, resistant to high-pressure shock, not prone to breaking, good in wide-temperature range adaptability, capable of meeting wide-temperature range utilization requirements, reliable in quality, durable in use, low in cost, easy to prepare and suitable for large-scale production.
Description
Technical field
The present invention relates to a kind of rubber, particularly a kind of high-strength rubber and preparation method thereof.
Background technology
In existing elastomeric material, low, the bonding difficulty of the Mechanical Properties of Silicone Rubber of high temperature performance excellence is large, limits its use range; And the adaptation of market other elastomeric material performances existing wide temperature range is poor, shearing modulus is caused sharply to increase as low temperature crystallization is hardening; High high-temp stability declines, and cannot meet wide temperature range service requirements, especially uses the rubber on the equipment such as deep sea submarine, and quality wants light, and high voltage bearing ability wants high simultaneously, can not break easily.
Summary of the invention
For above-mentioned demand, the invention provides a kind of high-strength rubber and preparation method thereof.
The present invention can be achieved through the following technical solutions:
A kind of high-strength rubber, comprises following raw material: paracril 30-60 part, chloroprene rubber 20-50 part, natural rubber 8-25 part, titanium dioxide 3-11 part, talcum powder 2-7 part, zinc oxide 3-7 part, chlorinatedpolyethylene 8-15 part, octyl phenolic 6-10 part, reinforced filling 15-25 part, vulcanization leveller 5-13 part, vulcanizing agent 0.8-1.8 part, vulcanization accelerator 1.2-3 part, softening agent 6-10 part, anti-aging agent 2-4 part.
Preferably, high-strength rubber of the present invention comprises following raw material: paracril 40-50 part, chloroprene rubber 30-40 part, natural rubber 10-20 part, titanium dioxide 5-8 part, talcum powder 4-6 part, zinc oxide 5-7 part, chlorinatedpolyethylene 10-12 part, octyl phenolic 6-9 part, reinforced filling 20-25 part, vulcanization leveller 8-13 part, vulcanizing agent 0.8-1.2 part, vulcanization accelerator 2-3 part, softening agent 6-8 part, anti-aging agent 3-4 part.
Preferably, high-strength rubber of the present invention comprises following raw material: paracril 45 parts, chloroprene rubber 30 parts, natural rubber 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, chlorinatedpolyethylene 12 parts, octyl phenolic 7 parts, reinforced filling 22 parts, vulcanization leveller 12 parts, vulcanizing agent 0.9 part, vulcanization accelerator 2.5 parts, 6 parts, softening agent, 4 parts, anti-aging agent.
Preferably, described reinforced filling is one or both in nano carbon black, modified kaolin.
Preferably, described vulcanization leveller is the mixture of one or more in calcium hydroxide, oleic acid and trolamine; Vulcanizing agent is sulphur, the mixture of one or more in benzoyl peroxide and urethanum.
Preferably, described vulcanization accelerator is the mixture of one or more in ethylene thiourea, ziram or hexamethylenetetramine.
Preferably, described softening agent is one or both in naphthene base crude oil, dioctyl phthalate (DOP).
Preferably, described anti-aging agent is one or both in antioxidant MB, antioxidant NBC.
The preparation method of described high-strength rubber, comprises the following steps:
(1) plasticate: get paracril, chloroprene rubber, natural rubber plasticate in mill or and with plasticating, its roll spacing 2-4mm, roller temperature control is at 40-50 DEG C, and the 3-5min that plasticates obtains broken-(down)rubber;
(2) mixing: mixing point two sections are carried out, one section mixing first by broken-(down)rubber input Banbury mixer obtained for step (1), banburying 1-2min; Then open floating weight and add titanium dioxide, talcum powder, zinc oxide, chlorinatedpolyethylene, octyl phenolic, reinforced filling, vulcanization leveller part, banburying 4-6min, dump temperature controls at 110-130 DEG C, obtains one section of rubber unvulcanizate through turning refining, by thickness 6-l0mm slice, normal temperature cooling and parks 8-l0h; Carry out two-stage mixing subsequently, drop into one section of mixing 3-4min of rubber unvulcanizate, vulcanization accelerator and vulcanizing agent in Banbury mixer, dump temperature controls at 80-100 DEG C, through turning refining, by thickness 6-l0mm slice, the cooling of normal temperature blower fan, obtains mixing of rubber;
(3) sulfuration: by ultra high molecular weight polyethylene films and the co-vulcanized 30-60min of rubber under 130-160 DEG C, 12-14MPa cure conditions;
(4) repair: the demoulding of step (3) gained material is repaired, obtains product high-strength rubber.
Compared with prior art, its beneficial effect is in the present invention:
(1) this rubbery intensity is high, high pressure resistant impact, can not break easily.
(2) the wide temperature range adaptability of this rubber is good, meets wide temperature range service requirements.
(3) this rubber quality is reliable, durable in use.
(4) this rubber is with low cost, preparation is simple, is applicable to large-scale production.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
embodiment 1
A kind of high-strength rubber, comprises following raw material: paracril 45 parts, chloroprene rubber 30 parts, natural rubber 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, chlorinatedpolyethylene 12 parts, octyl phenolic 7 parts, reinforced filling 22 parts, vulcanization leveller 12 parts, vulcanizing agent 0.9 part, vulcanization accelerator 2.5 parts, 6 parts, softening agent, 4 parts, anti-aging agent.
Wherein, described reinforced filling is nano carbon black, modified kaolin; Described vulcanization leveller is the mixture of calcium hydroxide, oleic acid and trolamine; Vulcanizing agent is sulphur, the mixture in benzoyl peroxide and urethanum; Described vulcanization accelerator is the mixture in ethylene thiourea, ziram and hexamethylenetetramine; Described softening agent is in naphthene base crude oil, dioctyl phthalate (DOP); Described anti-aging agent is antioxidant MB, antioxidant NBC.
The preparation method of described high-strength rubber, comprises the following steps:
(1) plasticate: get paracril, chloroprene rubber, natural rubber plasticate in mill or and with plasticating, its roll spacing 3mm, roller temperature control is at 45 DEG C, and the 4min that plasticates obtains broken-(down)rubber;
(2) mixing: mixing point two sections are carried out, one section mixing first by broken-(down)rubber input Banbury mixer obtained for step (1), banburying 1min; Then open floating weight and add titanium dioxide, talcum powder, zinc oxide, chlorinatedpolyethylene, octyl phenolic, reinforced filling, vulcanization leveller part, banburying 5min, dump temperature controls at 120 DEG C, obtains one section of rubber unvulcanizate through turning refining, by thickness 8mm slice, normal temperature cooling and parks 9h; Carry out two-stage mixing subsequently, drop into one section of mixing 3min of rubber unvulcanizate, vulcanization accelerator and vulcanizing agent in Banbury mixer, dump temperature controls at 90 DEG C, through turning refining, by thickness 8mm slice, the cooling of normal temperature blower fan, obtains mixing of rubber;
(3) sulfuration: at 150 DEG C, by ultra high molecular weight polyethylene films and the co-vulcanized 40min of rubber under 12MPa cure conditions;
(4) repair: the demoulding of step (3) gained material is repaired, obtains product high-strength rubber.
embodiment 2
A kind of high-strength rubber, comprises following raw material: paracril 30 parts, chloroprene rubber 50 parts, natural rubber 8 parts, titanium dioxide 11 parts, talcum powder 2 parts, 7 parts, zinc oxide, chlorinatedpolyethylene 8 parts, octyl phenolic 10 parts, reinforced filling 15 parts, vulcanization leveller 13 parts, vulcanizing agent 0.8 part, vulcanization accelerator 3 parts, 6 parts, softening agent, 4 parts, anti-aging agent.
Preferably, high-strength rubber of the present invention comprises following raw material: paracril 45 parts, chloroprene rubber 30 parts, natural rubber 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, chlorinatedpolyethylene 12 parts, octyl phenolic 7 parts, reinforced filling 22 parts, vulcanization leveller 12 parts, vulcanizing agent 0.9 part, vulcanization accelerator 2.5 parts, 6 parts, softening agent, 4 parts, anti-aging agent.
Wherein, described reinforced filling is modified kaolin; Described vulcanization leveller is calcium hydroxide; Vulcanizing agent is sulphur; Described vulcanization accelerator is ethylene thiourea; Described softening agent is naphthene base crude oil; Described anti-aging agent is antioxidant MB.
The preparation method of described high-strength rubber, comprises the following steps:
(1) plasticate: get paracril, chloroprene rubber, natural rubber plasticate in mill or and with plasticating, its roll spacing 2mm, roller temperature control is at 50 DEG C, and the 3min that plasticates obtains broken-(down)rubber;
(2) mixing: mixing point two sections are carried out, one section mixing first by broken-(down)rubber input Banbury mixer obtained for step (1), banburying 2min; Then open floating weight and add titanium dioxide, talcum powder, zinc oxide, chlorinatedpolyethylene, octyl phenolic, reinforced filling, vulcanization leveller part, banburying 4min, dump temperature controls at 130 DEG C, obtains one section of rubber unvulcanizate through turning refining, by thickness 6mm slice, normal temperature cooling and parks l0h; Carry out two-stage mixing subsequently, drop into one section of mixing 3min of rubber unvulcanizate, vulcanization accelerator and vulcanizing agent in Banbury mixer, dump temperature controls at 100 DEG C, through turning refining, by thickness 6mm slice, the cooling of normal temperature blower fan, obtains mixing of rubber;
(3) sulfuration: at 130 DEG C, by ultra high molecular weight polyethylene films and the co-vulcanized 30min of rubber under 14MPa cure conditions;
(4) repair: the demoulding of step (3) gained material is repaired, obtains product high-strength rubber.
embodiment 3
A kind of high-strength rubber, comprises following raw material: paracril 60 parts, chloroprene rubber 20 parts, natural rubber 25 parts, titanium dioxide 3 parts, talcum powder 7 parts, 3 parts, zinc oxide, chlorinatedpolyethylene 15 parts, octyl phenolic 6 parts, reinforced filling 15 parts, vulcanization leveller 5 parts, vulcanizing agent 1.8 parts, vulcanization accelerator 1.2 parts, 10 parts, softening agent, 2 parts, anti-aging agent.
Wherein, described reinforced filling is nano carbon black; Described vulcanization leveller is oleic acid; Vulcanizing agent is benzoyl peroxide; Described vulcanization accelerator is ziram; Described softening agent is dioctyl phthalate (DOP); Described anti-aging agent is antioxidant NBC.
The preparation method of described high-strength rubber, comprises the following steps:
(1) plasticate: get paracril, chloroprene rubber, natural rubber plasticate in mill or and with plasticating, its roll spacing 4mm, roller temperature control is at 40 DEG C, and the 5min that plasticates obtains broken-(down)rubber;
(2) mixing: mixing point two sections are carried out, one section mixing first by broken-(down)rubber input Banbury mixer obtained for step (1), banburying 1min; Then open floating weight and add titanium dioxide, talcum powder, zinc oxide, chlorinatedpolyethylene, octyl phenolic, reinforced filling, vulcanization leveller part, banburying 6min, dump temperature controls at 110 DEG C, obtains one section of rubber unvulcanizate through turning refining, by thickness l0mm slice, normal temperature cooling and parks 8h; Carry out two-stage mixing subsequently, drop into one section of mixing 4min of rubber unvulcanizate, vulcanization accelerator and vulcanizing agent in Banbury mixer, dump temperature controls at 80 DEG C, through turning refining, by thickness l0mm slice, the cooling of normal temperature blower fan, obtains mixing of rubber;
(3) sulfuration: at 130 DEG C, by ultra high molecular weight polyethylene films and the co-vulcanized 30min of rubber under 14MPa cure conditions;
(4) repair: the demoulding of step (3) gained material is repaired, obtains product high-strength rubber.
embodiment 4
A kind of high-strength rubber, comprises following raw material: paracril 50 parts, chloroprene rubber 40 parts, natural rubber 20 parts, titanium dioxide 101 parts, talcum powder 6 parts, 5 parts, zinc oxide, chlorinatedpolyethylene 11 parts, octyl phenolic 9 parts, reinforced filling 18 parts, vulcanization leveller 6 parts, vulcanizing agent 1.6 parts, vulcanization accelerator 2 parts, 7 parts, softening agent, 3 parts, anti-aging agent.
Wherein, described reinforced filling is in modified kaolin; Described vulcanization leveller is trolamine; Vulcanizing agent is urethanum; Described vulcanization accelerator is hexamethylenetetramine; Described softening agent is dioctyl phthalate (DOP); Described anti-aging agent is antioxidant MB, antioxidant NBC.
The preparation method of described high-strength rubber, comprises the following steps:
(1) plasticate: get paracril, chloroprene rubber, natural rubber plasticate in mill or and with plasticating, its roll spacing 3mm, roller temperature control is at 40 DEG C, and the 3min that plasticates obtains broken-(down)rubber;
(2) mixing: mixing point two sections are carried out, one section mixing first by broken-(down)rubber input Banbury mixer obtained for step (1), banburying 2min; Then open floating weight and add titanium dioxide, talcum powder, zinc oxide, chlorinatedpolyethylene, octyl phenolic, reinforced filling, vulcanization leveller part, banburying 5min, dump temperature controls at 125 DEG C, obtains one section of rubber unvulcanizate through turning refining, by thickness 9mm slice, normal temperature cooling and parks 9h; Carry out two-stage mixing subsequently, drop into one section of mixing 3min of rubber unvulcanizate, vulcanization accelerator and vulcanizing agent in Banbury mixer, dump temperature controls at 95 DEG C, through turning refining, by thickness 9mm slice, the cooling of normal temperature blower fan, obtains mixing of rubber;
(3) sulfuration: at 140 DEG C, by ultra high molecular weight polyethylene films and the co-vulcanized 50min of rubber under 12MPa cure conditions;
(4) repair: the demoulding of step (3) gained material is repaired, obtains product high-strength rubber.
Claims (9)
1. a high-strength rubber, it is characterized in that, comprise following raw material: paracril 30-60 part, chloroprene rubber 20-50 part, natural rubber 8-25 part, titanium dioxide 3-11 part, talcum powder 2-7 part, zinc oxide 3-7 part, chlorinatedpolyethylene 8-15 part, octyl phenolic 6-10 part, reinforced filling 15-25 part, vulcanization leveller 5-13 part, vulcanizing agent 0.8-1.8 part, vulcanization accelerator 1.2-3 part, softening agent 6-10 part, anti-aging agent 2-4 part.
2. high-strength rubber as claimed in claim 1, it is characterized in that, comprise following raw material: paracril 40-50 part, chloroprene rubber 30-40 part, natural rubber 10-20 part, titanium dioxide 5-8 part, talcum powder 4-6 part, zinc oxide 5-7 part, chlorinatedpolyethylene 10-12 part, octyl phenolic 6-9 part, reinforced filling 20-25 part, vulcanization leveller 8-13 part, vulcanizing agent 0.8-1.2 part, vulcanization accelerator 2-3 part, softening agent 6-8 part, anti-aging agent 3-4 part.
3. high-strength rubber as claimed in claim 2, it is characterized in that, comprise following raw material: paracril 45 parts, chloroprene rubber 30 parts, natural rubber 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, chlorinatedpolyethylene 12 parts, octyl phenolic 7 parts, reinforced filling 22 parts, vulcanization leveller 12 parts, vulcanizing agent 0.9 part, vulcanization accelerator 2.5 parts, 6 parts, softening agent, 4 parts, anti-aging agent.
4. high-strength rubber as claimed in claim 1, is characterized in that, described reinforced filling is one or both in nano carbon black, modified kaolin.
5. high-strength rubber as claimed in claim 1, it is characterized in that, described vulcanization leveller is the mixture of one or more in calcium hydroxide, oleic acid and trolamine; Vulcanizing agent is sulphur, the mixture of one or more in benzoyl peroxide and urethanum.
6. high-strength rubber as claimed in claim 1, it is characterized in that, described vulcanization accelerator is the mixture of one or more in ethylene thiourea, ziram or hexamethylenetetramine.
7. high-strength rubber as claimed in claim 1, is characterized in that, described softening agent is one or both in naphthene base crude oil, dioctyl phthalate (DOP).
8. high-strength rubber as claimed in claim 1, is characterized in that, described anti-aging agent is one or both in antioxidant MB, antioxidant NBC.
9. the preparation method of high-strength rubber described in claim 1, is characterized in that, comprises the following steps:
(1) plasticate: get paracril, chloroprene rubber, natural rubber plasticate in mill or and with plasticating, its roll spacing 2-4mm, roller temperature control is at 40-50 DEG C, and the 3-5min that plasticates obtains broken-(down)rubber;
(2) mixing: mixing point two sections are carried out, one section mixing first by broken-(down)rubber input Banbury mixer obtained for step (1), banburying 1-2min; Then open floating weight and add titanium dioxide, talcum powder, zinc oxide, chlorinatedpolyethylene, octyl phenolic, reinforced filling, vulcanization leveller part, banburying 4-6min, dump temperature controls at 110-130 DEG C, obtains one section of rubber unvulcanizate through turning refining, by thickness 6-l0mm slice, normal temperature cooling and parks 8-l0h; Carry out two-stage mixing subsequently, drop into one section of mixing 3-4min of rubber unvulcanizate, vulcanization accelerator and vulcanizing agent in Banbury mixer, dump temperature controls at 80-100 DEG C, through turning refining, by thickness 6-l0mm slice, the cooling of normal temperature blower fan, obtains mixing of rubber;
(3) sulfuration: by ultra high molecular weight polyethylene films and the co-vulcanized 30-60min of rubber under 130-160 DEG C, 12-14MPa cure conditions;
(4) repair: the demoulding of step (3) gained material is repaired, obtains product high-strength rubber.
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Cited By (6)
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| CN106080627A (en) * | 2016-06-30 | 2016-11-09 | 青岛澳泰交通设备有限公司 | A kind of bullet train group outer hood and preparation method thereof |
| CN106751837A (en) * | 2016-12-28 | 2017-05-31 | 德轮橡胶股份有限公司 | A kind of tire is with ageing-resistant abrasive rubber material |
| CN106800782A (en) * | 2017-02-10 | 2017-06-06 | 唐翔 | A kind of high-tensile conductive rubber and preparation method thereof |
| CN110467752A (en) * | 2019-07-22 | 2019-11-19 | 安徽飞马电缆有限公司 | Low cigarette CABLE MATERIALS of a kind of highly effective flame-retardant and preparation method thereof |
| CN113402793A (en) * | 2021-06-24 | 2021-09-17 | 浙江中瑞橡胶高分子材料股份有限公司 | Novel oil-resistant heat-insulating antistatic rubber roller material and preparation process thereof |
| CN118146742A (en) * | 2024-05-10 | 2024-06-07 | 东润未来(辽宁)橡胶加工有限公司 | Preparation method for roller encapsulation sealing adhesive tape |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106080627A (en) * | 2016-06-30 | 2016-11-09 | 青岛澳泰交通设备有限公司 | A kind of bullet train group outer hood and preparation method thereof |
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Application publication date: 20160316 |