CN102190817A - Flame-retardant high-strength rubber composition - Google Patents
Flame-retardant high-strength rubber composition Download PDFInfo
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- CN102190817A CN102190817A CN2010101316319A CN201010131631A CN102190817A CN 102190817 A CN102190817 A CN 102190817A CN 2010101316319 A CN2010101316319 A CN 2010101316319A CN 201010131631 A CN201010131631 A CN 201010131631A CN 102190817 A CN102190817 A CN 102190817A
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Abstract
The invention provides a flame-retardant high-strength rubber composition which is prepared from the following raw materials in parts by weight: 105 parts of nitrile-butadiene rubber, 50 parts of N220 carbon black, 10 parts of N330 carbon black, 28 parts of dioctyl phthalate, 0.8-1 part of sulfur, 0.8-1 part of dicumyl peroxide, 2 parts of promotor, 2.1 parts of flowable agent, 5 parts of zinc oxide, 3.5-4.5 parts of anti-aging agent, 4-5.2 parts of cracking inhibitor, 30-40 parts of flame retardant and 6 parts of 3% water-emulsion organosilicon releasing agent. As a further improvement, 10-15 parts by weight of antimony trioxide can be added to enhance the flame retardancy. The invention has the characteristics of reasonable formula, favorable flame retardancy, wear resistance, oil resistance and aging resistance.
Description
Technical field
The present invention relates to a kind of rubber combination, especially relate to a kind of rubber combination with good flame-retardance.
Background technology
Prescription and manufacture method about rubber combination are thousands of, often are furnished with different material prescriptions according to different service requirementss.Common general component with the wear resisting property of anti-marquis commonly used at present is paracril 100, N330 carbon black 65, dibutylester 20, sulphur 1.8, promotor 2.5, flowing agent 2, anti-aging agent 4, zinc oxide 5, paraffin 1.5-2.5.Also having a kind of composition is paracril 100, N330 carbon black 35, N220 carbon black 30, dibutylester 20, sulphur 0.5, dicumyl peroxide 3, promotor 1.5, flowing agent 2, anti-aging agent 4, zinc oxide 5, paraffin 1.5-2.5.The rubber item quality that these two kinds of components are made is lower, not weather-proof, without low with, subduing property of antifatigue, easily be full of cracks, reliability is good inadequately when being used for dust prevention of vibration absorber.
Applied in person before this that a kind of name was called the patent of invention of special wear-resisting rubber composite, its main technical schemes is prepared from by following raw materials according for this rubber combination, paracril 105 weight parts, N220 carbon black 55 weight parts, N330 carbon black 15 weight parts, dibutyl ester 30 weight parts, sulphur 0.8～1 weight part, dicumyl peroxide 0.8～1 weight part, promotor 2 weight parts, flowing agent 2.1 weight parts, zinc oxide 5 weight parts, anti-aging agent 3.5～4.5 weight parts, be full of cracks prevents agent 4～5.2 weight parts.This patented technology still has certain deficiency when reality is used, flame retardant properties is not good, is difficult to satisfy some special dimensions that flame retardant properties is had relatively high expectations or the production service requirements of industry, has influenced the use range of said composition.
Summary of the invention
Problem to be solved by this invention provides a kind of have good flame-retardance and wear-resistance and oil-resistance, rubber combination that ageing-resistant performance is good.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of flame-retardant high-strength rubber combination is prepared from by following raw materials according: paracril 105 weight parts, N220 carbon black 50 weight parts, N330 carbon black 10 weight parts, dibutyl ester 28 weight parts, sulphur 0.8～1 weight part, dicumyl peroxide 0.8～1 weight part, promotor 2 weight parts, flowing agent 2.1 weight parts, zinc oxide 5 weight parts, anti-aging agent 3.5～4.5 weight parts, be full of cracks prevents agent 4～5.2 weight parts, fire retardant 30～40 weight parts, 3% aqueous emulsion organosilicone mold releasing agent, 6 weight parts.
The antimonous oxide that also can in said components, add as a further improvement on the present invention, 10～15 weight parts again.
Adopt above technical scheme, compare with existing common rubber combination, remarkable advantage of the present invention is:
1, prescription is more reasonable.By the adjustment of proportioning, use original dibutylester instead dibutyl ester, molecular weight is bigger; System has adjusted the consumption of dicumyl peroxide, having broken through must be by a little sulphur and a large amount of mutually crosslinked technical limitation of superoxide in traditional rubber process prescription, and the collaborative crosslinked finished product ozone resistance that makes this component make of the sulphur of basic identical deal and superoxide obviously strengthens; Because carbon black can not only improve the intensity of rubber item, and give rubber item with good abrasion performance, tear-resistant, heat-resisting, oil resistant, prolong the work-ing life of goods,, change whole N330 carbon blacks into a certain proportion of N220 carbon black and N330 carbon black through test of many times; Because B10 has the composition of the carbon number distribution of broad and very rational straight-chain paraffin and isoparaffin, in very wide temperature range, can both play protective effect to the ozone-induced cracking of rubber item, rationally used the be full of cracks of certain part by weight to prevent that agent B10 from can form the physical protection film at product surface, prevented that effectively be full of cracks from producing; In this component, add other auxiliary agents such as flowing agent of appropriate amount, under the prerequisite of the over-all properties that does not influence component, also help to improve complete processing.That adds that rubber flame-retarded dose and antimonous oxide help promoting said composition puts out flame retardant properties certainly.Add concentration and be 3% aqueous emulsion organosilicone mold releasing agent and help the stripping result of rubber finished product, can reduce the surface damage of finished product, increase the surperficial impression of finished product.
2, over-all properties is obviously improved.By synthesis measuring to embodiment, the present invention is by reform and adjustment to relevant prescription, than the General Purpose Rubber composition of similar prescription flame retardant properties obviously improve, test statistics factually, the self-extinguishing time that does not add the preceding rubber combination of fire retardant is 3～4 seconds, add behind fire retardant and the antimonous oxide the average self-extinguishing time of rubber combination be 1～1.2 second, and the wear-resistance and oil-resistance of the rubber combination made of this prescription is ageing-resistant etc. also increases.
Embodiment
Further specify the present invention below by embodiment.
Embodiment 1: paracril 10.5KG, N220 carbon black 5KG, N330 carbon black 1KG, dibutyl ester 2.8KG, sulphur 0.1KG, dicumyl peroxide 0.1KG, promotor 0.2KG, flowing agent 0.21KG, zinc oxide 0.5KG, anti-aging agent 0.35KG, be full of cracks prevents agent B100.4KG, fire retardant 3KG, 3% aqueous emulsion organosilicone mold releasing agent 0.6KG.
Embodiment 2: paracril 10.5KG, N220 carbon black 5KG, N330 carbon black 1KG, dibutyl ester 2.8KG, sulphur 0.8KG, dicumyl peroxide 0.08KG, promotor 0.2KG, flowing agent 0.21KG, zinc oxide 0.5KG, anti-aging agent 0.45KG, be full of cracks prevent agent B100.52KG, fire retardant 4KG, 3% aqueous emulsion organosilicone mold releasing agent 0.6KG.
Embodiment 3: paracril 10.5KG, N220 carbon black 5KG, N330 carbon black 1KG, dibutyl ester 2.8KG, sulphur 0.8KG, dicumyl peroxide 0.08KG, promotor 0.2KG, flowing agent 0.21KG, zinc oxide 0.5KG, anti-aging agent 0.45KG, be full of cracks prevents agent B100.52KG, fire retardant 3KG, antimonous oxide 1KG, 3% aqueous emulsion organosilicone mold releasing agent 0.6KG.
Embodiment 4: paracril 10.5KG, N220 carbon black 5KG, N330 carbon black 1KG, thermal silica 1.5KG, dibutyl ester 2.8KG, sulphur 0.8KG, dicumyl peroxide 0.09KG, promotor 0.2KG, flowing agent 0.21KG, zinc oxide 0.5KG, anti-aging agent 0.45KG, be full of cracks prevents agent B100.45KG, fire retardant 4KG, antimonous oxide 1.5KG, 3% aqueous emulsion organosilicone mold releasing agent 0.6KG.
Embodiment 5: paracril 10.5KG, N220 carbon black 5KG, N330 carbon black 1KG, thermal silica 1.5KG, dibutyl ester 2.8KG, sulphur 0.8KG, dicumyl peroxide 0.09KG, promotor 0.2KG, flowing agent 0.21KG, zinc oxide 0.5KG, anti-aging agent 0.45KG, be full of cracks prevents agent B100.45KG, fire retardant 3.5KG, antimonous oxide 1.2KG, 3% aqueous emulsion organosilicone mold releasing agent 0.6KG.
Embodiment 6: paracril 10.5KG, N220 carbon black 5KG, N330 carbon black 1KG, thermal silica 1.5KG, dibutyl ester 2.8KG, sulphur 0.8KG, dicumyl peroxide 0.09KG, promotor 0.2KG, flowing agent 0.21KG, zinc oxide 0.5KG, anti-aging agent 0.45KG, be full of cracks prevents agent B100.45KG, fire retardant 3.8KG, antimonous oxide 1.3KG, 3% aqueous emulsion organosilicone mold releasing agent 0.6KG.
Among the above embodiment, flame retardant properties the best of embodiment 6, the self-extinguishing time of rubber combination only is 0.95 second.
Claims (2)
1. flame-retardant high-strength rubber combination, it is characterized in that being prepared from by following raw materials according: paracril 105 weight parts, N220 carbon black 50 weight parts, N330 carbon black 10 weight parts, dibutyl ester 28 weight parts, sulphur 0.8～1 weight part, dicumyl peroxide 0.8～1 weight part, promotor 2 weight parts, flowing agent 2.1 weight parts, zinc oxide 5 weight parts, anti-aging agent 3.5～4.5 weight parts, be full of cracks prevents agent 4～5.2 weight parts, fire retardant 30～40 weight parts, 3% aqueous emulsion organosilicone mold releasing agent, 6 weight parts.
2. flame-retardant high-strength rubber combination according to claim 1 is characterized in that also containing the antimonous oxide of 10～15 weight parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101316319A CN102190817A (en) | 2010-03-01 | 2010-03-01 | Flame-retardant high-strength rubber composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101316319A CN102190817A (en) | 2010-03-01 | 2010-03-01 | Flame-retardant high-strength rubber composition |
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| CN102190817A true CN102190817A (en) | 2011-09-21 |
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| CN2010101316319A Pending CN102190817A (en) | 2010-03-01 | 2010-03-01 | Flame-retardant high-strength rubber composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911557A (en) * | 2012-10-10 | 2013-02-06 | 来安县亨通橡塑制品有限公司 | Printing ink for flame-retardant rubber floor |
| CN103408819A (en) * | 2013-08-13 | 2013-11-27 | 安徽中鼎密封件股份有限公司 | Rubber sealing assembly between chainsaw carburetor and engine cylinder, and manufacturing method thereof |
| CN103554574A (en) * | 2013-10-29 | 2014-02-05 | 绿宝电缆（集团）有限公司 | Weather-proof wear-resistant and ageing resistant modified nitrile rubber cable material |
-
2010
- 2010-03-01 CN CN2010101316319A patent/CN102190817A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911557A (en) * | 2012-10-10 | 2013-02-06 | 来安县亨通橡塑制品有限公司 | Printing ink for flame-retardant rubber floor |
| CN103408819A (en) * | 2013-08-13 | 2013-11-27 | 安徽中鼎密封件股份有限公司 | Rubber sealing assembly between chainsaw carburetor and engine cylinder, and manufacturing method thereof |
| CN103408819B (en) * | 2013-08-13 | 2015-10-28 | 安徽中鼎密封件股份有限公司 | Rubber seal element and manufacture method thereof between chain saw carburetor and engine cylinder |
| CN103554574A (en) * | 2013-10-29 | 2014-02-05 | 绿宝电缆（集团）有限公司 | Weather-proof wear-resistant and ageing resistant modified nitrile rubber cable material |
| CN103554574B (en) * | 2013-10-29 | 2016-06-15 | 绿宝电缆（集团）有限公司 | A kind of weather-proof wear-resisting anti-aging modified butadiene acrylonitrile rubber CABLE MATERIALS |
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Application publication date: 20110921 |