CN105400015A - High temperature resistance rubber and preparation method thereof - Google Patents
High temperature resistance rubber and preparation method thereof Download PDFInfo
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- CN105400015A CN105400015A CN201510889930.1A CN201510889930A CN105400015A CN 105400015 A CN105400015 A CN 105400015A CN 201510889930 A CN201510889930 A CN 201510889930A CN 105400015 A CN105400015 A CN 105400015A
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Abstract
The invention discloses a high temperature resistance rubber and a preparation method thereof. The high temperature resistance rubber comprises raw materials: nitrile rubbers 30-60 parts, silicone rubbers 20-50 parts, polyacrylate rubbers 8-25 parts, titanium dioxide 3-11 parts, talcum powder 2-7 parts, zinc oxide 3-7 parts, oxidic polyethylene 8-15 parts, octyl phenolic resins 6-10 parts, reinforcing fillers 15-25 parts, vulcanizing activators 5-13 parts, vulcanizing agents 0.8-1.8 parts, vulcanization accelerators 1.2-3 parts, plasticizers 6-10 parts and anti-aging agents 2-4 parts. The high temperature resistance rubber has the advantages that (1) the high temperature resistance rubber is excellent in high temperature resistance, can not easily crack and paste; (2) the high temperature resistance rubber is excellent in adaptation of wide temperature range, and meets the use demands of wide temperature range; (3) the high temperature resistance rubber is reliable in quality and durable in use; and (4) the high temperature resistance rubber is low in cost and simple in preparation, and is suitable for scale production.
Description
Technical field
The present invention relates to a kind of rubber, particularly a kind of high-temperature resistant rubber and preparation method thereof.
Background technology
One large feature of Automobile Rubber Products uses under high temperature, dynamical state, and rubber subjects extreme harsh working conditions, and compared with the bulk life time of automobile, duration of service is short, fragile.The resistance toheat of the elastomeric material on existing market is general not good, often can not meet the requirement of automobile elastomeric material, easily cause premature aging, there is the problems such as face hair crack is clamminess, long-time appearance surface is fallen block thus loses function, cause elastomeric material to be scrapped, affect the use of automobile, even may damage the person.Therefore, optimizing rubber components, to obtain resistant to elevated temperatures elastomeric material be current letter problem to be solved.
Summary of the invention
For above-mentioned demand, the invention provides a kind of high-temperature resistant rubber and preparation method thereof.
The present invention can be achieved through the following technical solutions:
A kind of high-temperature resistant rubber, comprises following raw material: paracril 30-60 part, silicon rubber 20-50 part, acrylic elastomer 8-25 part, titanium dioxide 3-11 part, talcum powder 2-7 part, zinc oxide 3-7 part, oxidic polyethylene 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-temperature resistant rubber of the present invention comprises following raw material: paracril 40-50 part, silicon rubber 30-40 part, acrylic elastomer 10-20 part, titanium dioxide 5-8 part, talcum powder 4-6 part, zinc oxide 5-7 part, oxidic polyethylene 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-temperature resistant rubber of the present invention comprises following raw material: paracril 45 parts, 30 parts, silicon rubber, acrylic elastomer 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, oxidic polyethylene 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-temperature resistant rubber, comprises the following steps:
(1) plasticate: get paracril, silicon rubber, acrylic elastomer 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, oxidic polyethylene, 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-temperature resistant rubber.
Compared with prior art, its beneficial effect is in the present invention:
(1) this rubber resistance to elevated temperatures is excellent, can not shattered crack be clamminess 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-temperature resistant rubber, comprises following raw material: paracril 45 parts, 30 parts, silicon rubber, acrylic elastomer 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, oxidic polyethylene 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-temperature resistant rubber, comprises the following steps:
(1) plasticate: get paracril, silicon rubber, acrylic elastomer 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, oxidic polyethylene, 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-temperature resistant rubber.
embodiment 2
A kind of high-temperature resistant rubber, comprises following raw material: paracril 30 parts, 50 parts, silicon rubber, acrylic elastomer 8 parts, titanium dioxide 11 parts, talcum powder 2 parts, 7 parts, zinc oxide, oxidic polyethylene 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-temperature resistant rubber of the present invention comprises following raw material: paracril 45 parts, 30 parts, silicon rubber, acrylic elastomer 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, oxidic polyethylene 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-temperature resistant rubber, comprises the following steps:
(1) plasticate: get paracril, silicon rubber, acrylic elastomer 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, oxidic polyethylene, 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-temperature resistant rubber.
embodiment 3
A kind of high-temperature resistant rubber, comprises following raw material: paracril 60 parts, 20 parts, silicon rubber, acrylic elastomer 25 parts, titanium dioxide 3 parts, talcum powder 7 parts, 3 parts, zinc oxide, oxidic polyethylene 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-temperature resistant rubber, comprises the following steps:
(1) plasticate: get paracril, silicon rubber, acrylic elastomer 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, oxidic polyethylene, 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-temperature resistant rubber.
embodiment 4
A kind of high-temperature resistant rubber, comprises following raw material: paracril 50 parts, 40 parts, silicon rubber, acrylic elastomer 20 parts, titanium dioxide 101 parts, talcum powder 6 parts, 5 parts, zinc oxide, oxidic polyethylene 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-temperature resistant rubber, comprises the following steps:
(1) plasticate: get paracril, silicon rubber, acrylic elastomer 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, oxidic polyethylene, 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-temperature resistant rubber.
Claims (9)
1. a high-temperature resistant rubber, it is characterized in that, comprise following raw material: paracril 30-60 part, silicon rubber 20-50 part, acrylic elastomer 8-25 part, titanium dioxide 3-11 part, talcum powder 2-7 part, zinc oxide 3-7 part, oxidic polyethylene 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-temperature resistant rubber as claimed in claim 1, it is characterized in that, comprise following raw material: paracril 40-50 part, silicon rubber 30-40 part, acrylic elastomer 10-20 part, titanium dioxide 5-8 part, talcum powder 4-6 part, zinc oxide 5-7 part, oxidic polyethylene 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-temperature resistant rubber as claimed in claim 2, it is characterized in that, comprise following raw material: paracril 45 parts, 30 parts, silicon rubber, acrylic elastomer 18 parts, titanium dioxide 6 parts, talcum powder 5 parts, 5 parts, zinc oxide, oxidic polyethylene 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-temperature resistant 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-temperature resistant 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-temperature resistant 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-temperature resistant 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-temperature resistant 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-temperature resistant rubber described in claim 1, is characterized in that, comprises the following steps:
(1) plasticate: get paracril, silicon rubber, acrylic elastomer 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, oxidic polyethylene, 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-temperature resistant rubber.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106279829A (en) * | 2016-08-20 | 2017-01-04 | 张伟 | A kind of Graphene composite rubber material of heat-conductivity conducting and preparation method thereof |
| CN106519524A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | High cold-resistant acrylate rubber material and preparation method and application thereof |
| CN106519523A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | Automobile high-cold-resistance acrylate adhesive and preparation method and application thereof |
| CN106589968A (en) * | 2017-02-10 | 2017-04-26 | 唐翔 | High temperature and high pressure resistant conductive rubber composition |
| CN106832942A (en) * | 2017-02-10 | 2017-06-13 | 唐翔 | It is a kind of to be segmented the method that mixing method prepares flame-retardant conductive rubber |
| CN108053917A (en) * | 2017-11-29 | 2018-05-18 | 安徽华上电缆科技有限公司 | A kind of seawater corrosion resistant cable material and preparation method thereof |
| CN113549288A (en) * | 2021-08-02 | 2021-10-26 | 濮阳市恒信橡塑有限公司 | High-pressure drilling pump piston |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106279829A (en) * | 2016-08-20 | 2017-01-04 | 张伟 | A kind of Graphene composite rubber material of heat-conductivity conducting and preparation method thereof |
| CN106279829B (en) * | 2016-08-20 | 2018-09-18 | 广州倬粤动力新能源有限公司 | A kind of graphene composite rubber material of thermal conductivity and preparation method thereof |
| CN106519524A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | High cold-resistant acrylate rubber material and preparation method and application thereof |
| CN106519523A (en) * | 2016-11-18 | 2017-03-22 | 郑州丽福爱生物技术有限公司 | Automobile high-cold-resistance acrylate adhesive and preparation method and application thereof |
| CN106589968A (en) * | 2017-02-10 | 2017-04-26 | 唐翔 | High temperature and high pressure resistant conductive rubber composition |
| CN106832942A (en) * | 2017-02-10 | 2017-06-13 | 唐翔 | It is a kind of to be segmented the method that mixing method prepares flame-retardant conductive rubber |
| CN108053917A (en) * | 2017-11-29 | 2018-05-18 | 安徽华上电缆科技有限公司 | A kind of seawater corrosion resistant cable material and preparation method thereof |
| CN113549288A (en) * | 2021-08-02 | 2021-10-26 | 濮阳市恒信橡塑有限公司 | High-pressure drilling pump piston |
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Application publication date: 20160316 |