CN104497541A - Oil-resistant rubber - Google Patents
Oil-resistant rubber Download PDFInfo
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- CN104497541A CN104497541A CN201410783009.4A CN201410783009A CN104497541A CN 104497541 A CN104497541 A CN 104497541A CN 201410783009 A CN201410783009 A CN 201410783009A CN 104497541 A CN104497541 A CN 104497541A
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Abstract
The invention relates to an oil-resistant rubber, which comprises the following components in parts by weight: 80-130 parts of epichlorohydrin rubber, 2-8 parts of zinc oxide, 2-7 parts of calcium carbonate, 3-6 parts of hydroxyl silicone oil, 1-5 parts of stearic acid, 1-4 parts of white carbon black, 1-5 parts of paraffin, 1-5 parts of sulfur, 1-5 parts of anti-aging agent, 1-4 parts of simethicone, 15-25 parts of plasticizer, and 1-7 parts of 2-mercaptoimidazoline. The oil-resistant rubber has good insulation performance, the safety performance of the oil-resistant rubber can be strengthened, the oil-resistant rubber has strong insulating property, and the production cost can also be lowered to a certain extent.
Description
Technical field
The present invention relates to a kind of oil resisting rubber, belong to chemical material field.
Background technology
The research of current low temperature oil resisting rubber mainly contains following approach: one is, by the means such as backbone modification, copolymerization, characteristic group is introduced rubber backbone, elastomerics macromole is introduced functional group and can solve many specific questions, as cold-resistant, heat-resisting and improve resistance to fatigue, ozone resistance etc. in improved rubber; Two is rubber blendings, and object is to learn from other's strong points to offset one's weaknesses and obtains excellent performance and lower-cost material; Three is preferred balanced constant, as added softening agent to improve the winter hardiness of rubber.
Oil resisting rubber refers to the viton of resistance to nonpolar oils, and viton refers to the synthetic rubber containing fluorine atom in molecular structure.Usually representing with the fluorine atom number of unit fluorine-containing in multipolymer, as fluororubber 23, is the multipolymer of vinylidene fluoride with trifluorochloroethylene.Viton is high temperature resistant, oil resistant, resistance to chemical attack.Oil resistant refer to resistance to fuel oil, resistance to composite fuels, acid resistance oxidation fuel oil, resistance to mineral oil, resistance to ucon oil, the hydrogen of resistance to synthesis class lubricating oil, resistance to polyalkylene glycol (PAG) ucon oil, the ucon oil of resistance to organic ester, resistance to siliceous ucon oil, resistance to containing fluorine element oil, the ether of resistance to polyphenylene liquid, the hydrogen of resistance to chloro liquid.Oil resisting rubber has so many advantage, therefore needs to invent a kind of oil resisting rubber, to meet the needs of people's productive life.
Summary of the invention
Technical problem to be solved by this invention is to provide good, high temperature resistant, the corrosion resistant oil resisting rubber of kind oil resistance.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of oil resisting rubber, comprises the component of following parts by weight: chlorohydrin rubber 80 ~ 130 parts, 2 ~ 8 parts, zinc oxide, 2 ~ 7 parts, calcium carbonate, hydroxy silicon oil 3 ~ 6 parts, stearic acid 1 ~ 5 part, white carbon black 1 ~ 4 part, 1 ~ 5 part, paraffin, 1 ~ 6 part, sulphur, 1 ~ 5 part, anti-aging agent, dimethyl silicone oil 1 ~ 4 part, 15 ~ 25 parts, softening agent and 2-thiol group tetrahydroglyoxaline 1 ~ 7 part.
The invention has the beneficial effects as follows:
Add the white carbon black of good insulation preformance in the present invention, utilize the characteristic that non-conductive performance is good, insulating property are high of carbon black, make oil resisting rubber of the present invention have extraordinary insulating property, its resistivity reaches 1 × 10
6-1 × 10
8ohmcm, greatly strengthen the safety performance of oil resisting rubber, has stronger insulativity, and production cost have also been obtained reduction to a certain degree.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the component comprising following parts by weight of described oil resisting rubber the best: chlorohydrin rubber 110 parts, 6 parts, zinc oxide, 4 parts, calcium carbonate, hydroxy silicon oil 5 parts, stearic acid 3 parts, white carbon black 2 parts, 3 parts, paraffin, 5 parts, sulphur, 3 parts, anti-aging agent, dimethyl silicone oil 2 parts, 20 parts, softening agent and 2-thiol group tetrahydroglyoxaline 5 parts.
Further, described anti-aging agent is the mixture of 2,2,4-trimethylammonium 1,2-dihydro quinoline polymer and Ursol D class, and both ratios of weight and number are 2:1.
Further, described softening agent is tributyl citrate.
Further, described oil resisting rubber also comprises: N, N'-di-sec-butyl-p-phenyl enediamine, and the parts by weight of described N, N'-di-sec-butyl-p-phenyl enediamine are 2 ~ 5 parts.
Chlorohydrin rubber generally with benzene or toluene for solvent is polymerized in the solution; monomer water content should below 5/100000ths; catalyzer is the mixture by the hydrolysate of aluminum alkyls and ether or Acetyl Acetone; or aluminum alkyls-phosphoric acid-nitrogenous or phosphorus are to electrophile system; polymerization temperature 50 ~ 90 DEG C, transformation efficiency reaches more than 90%.The cross-linked rubber of chlorohydrin rubber can make auto parts, heat-resisting oil resisting rubber hose, freon resistant sebific duct and rubber cushion, aircraft sealing-ring etc.Copolymer rubber is then for cold-resistant, oil-resistant seal ring, shaft seal, sebific duct etc.
Zinc oxide is the oxide compound of zinc, is insoluble in water, dissolves in acid and highly basic.It is white solid, therefore also known as zinc white.It obtains by burning zinc or roasting zink sulphide (zinc sulphide).In nature, zinc oxide is the main component of mineral zincite.Although artificial zinc oxide has two kinds of manufacture method: be oxidized by pure zinc or dry burn zinc ore form.Zinc oxide has application as additive at multiple material and product, comprises plastics, pottery, glass, cement, lubricant, paint, ointment, tackiness agent, sealant, pigment, food (zinc supplementation agent), battery, Ferrite Material, fire retardant material and first-aid bandage etc.Zinc oxide is a kind of wide bandgap semiconductor materials, and band gap at room temperature is about 3.3eV, and exciton bind energy is up to 60meV, and being expected to replace GaN becomes the material being UV-light LD and LED.Important application is had at optoelectronic areas.In the caking agent of high acid number, in a reservoir can extremely thickening.
Paraffin (paraffin) is the popular name of solid-state higher alkane mixture, can be obtained by the waxy distillate fraction cold press of natural or artificial petroleum or the method such as solvent dewaxing, sweating, and be white, tasteless waxy solid, carbonatoms is about 18 ~ 30.Generally be divided into paraffin wax fully refined, SEMI-REFINED PARAFFIN WAX and scale wax three kinds.Paraffin is of many uses, can produce the paraffin paper of good water resistance after paper being immersed paraffin; After paraffin adds cotton yarn, textiles can be made soft, smooth and flexible.
Dimethyl silicone oil is tasteless nontoxic, there is physiological inertia, good chemical stability, electric edge and weathering resistance, range of viscosities is wide, zero pour is low, and flash-point is high, and hydrophobic performance is good, and there is very high resistance to shear, can in 50 ~ 180 DEG C of temperature life-time service, be extensively used as insulation, lubrication, shockproof, dust laying oil, dielectric liquid and thermal barrier, have and be used as the additive etc. of froth breaking, demoulding, paint and daily cosmetics.
Embodiment
Be described principle of the present invention and feature below, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
A kind of oil resisting rubber, comprises the component of following parts by weight: chlorohydrin rubber 80 parts, 2 parts, zinc oxide, 2 parts, calcium carbonate, hydroxy silicon oil 3 parts, stearic acid 1 part, white carbon black 1 part, 1 part, paraffin, 1 part, sulphur, 1 part, anti-aging agent, dimethyl silicone oil 1 part, 15 parts, softening agent and 2-thiol group tetrahydroglyoxaline 1 part.
Embodiment 2
A kind of oil resisting rubber, comprises the component of following parts by weight: chlorohydrin rubber 130 parts, 8 parts, zinc oxide, 7 parts, calcium carbonate, hydroxy silicon oil 6 parts, stearic acid 5 parts, white carbon black 4 parts, 5 parts, paraffin, 6 parts, sulphur, 5 parts, anti-aging agent, dimethyl silicone oil 4 parts, 25 parts, softening agent and 2-thiol group tetrahydroglyoxaline 7 parts.
Embodiment 3
A kind of oil resisting rubber, comprises the component of following parts by weight: chlorohydrin rubber 110 parts, 6 parts, zinc oxide, 4 parts, calcium carbonate, hydroxy silicon oil 5 parts, stearic acid 3 parts, white carbon black 2 parts, 3 parts, paraffin, 5 parts, sulphur, 3 parts, anti-aging agent, dimethyl silicone oil 2 parts, 20 parts, softening agent and 2-thiol group tetrahydroglyoxaline 5 parts.
Embodiment 4
A kind of oil resisting rubber, comprise the component of following parts by weight: chlorohydrin rubber 110 parts, 6 parts, zinc oxide, 4 parts, calcium carbonate, hydroxy silicon oil 5 parts, stearic acid 3 parts, white carbon black 2 parts, 3 parts, paraffin, 5 parts, sulphur, 3 parts, anti-aging agent, dimethyl silicone oil 2 parts, 20 parts, softening agent, 2-thiol group tetrahydroglyoxaline 5 parts and N, N'-di-sec-butyl-p-phenyl enediamine 2 parts.
Embodiment 5
A kind of oil resisting rubber, comprise the component of following parts by weight: chlorohydrin rubber 100 parts, 5 parts, zinc oxide, 3 parts, calcium carbonate, hydroxy silicon oil 4 parts, stearic acid 2 parts, white carbon black 3 parts, 4 parts, paraffin, 5 parts, sulphur, 2 parts, anti-aging agent, dimethyl silicone oil 3 parts, 18 parts, softening agent, 2-thiol group tetrahydroglyoxaline 6 parts and N, N'-di-sec-butyl-p-phenyl enediamine 5 parts.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. an oil resisting rubber, it is characterized in that, comprise the component of following parts by weight: chlorohydrin rubber 80 ~ 130 parts, 2 ~ 8 parts, zinc oxide, 2 ~ 7 parts, calcium carbonate, hydroxy silicon oil 3 ~ 6 parts, stearic acid 1 ~ 5 part, white carbon black 1 ~ 4 part, 1 ~ 5 part, paraffin, 1 ~ 6 part, sulphur, 1 ~ 5 part, anti-aging agent, dimethyl silicone oil 1 ~ 4 part, 15 ~ 25 parts, softening agent and 2-thiol group tetrahydroglyoxaline 1 ~ 7 part.
2. oil resisting rubber according to claim 1, is characterized in that: the component comprising following parts by weight: chlorohydrin rubber 110 parts, 6 parts, zinc oxide, 4 parts, calcium carbonate, hydroxy silicon oil 5 parts, stearic acid 3 parts, white carbon black 2 parts, 3 parts, paraffin, 5 parts, sulphur, 3 parts, anti-aging agent, dimethyl silicone oil 2 parts, 20 parts, softening agent and 2-thiol group tetrahydroglyoxaline 5 parts.
3. oil resisting rubber according to claim 1, is characterized in that: described anti-aging agent is the mixture of 2,2,4-trimethylammonium 1,2-dihydro quinoline polymer and Ursol D class, and both ratios of weight and number are 2:1.
4. the oil resisting rubber according to any one of claims 1 to 3, is characterized in that: described softening agent is tributyl citrate.
5. the oil resisting rubber according to any one of claims 1 to 3, is characterized in that: described oil resisting rubber also comprises: N, N'-di-sec-butyl-p-phenyl enediamine, and the parts by weight of described N, N'-di-sec-butyl-p-phenyl enediamine are 2 ~ 5 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410783009.4A CN104497541A (en) | 2014-12-17 | 2014-12-17 | Oil-resistant rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410783009.4A CN104497541A (en) | 2014-12-17 | 2014-12-17 | Oil-resistant rubber |
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|---|---|
| CN104497541A true CN104497541A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410783009.4A Pending CN104497541A (en) | 2014-12-17 | 2014-12-17 | Oil-resistant rubber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962065A (en) * | 2015-07-14 | 2015-10-07 | 常州市盈顺电子有限公司 | Epichlorohydrin rubber aging-resisting and wear-resisting cable material and preparation method thereof |
| CN109797027A (en) * | 2019-01-22 | 2019-05-24 | 东莞市港田高分子材料有限公司 | A kind of High Performance Insulation lubricating grease and preparation method thereof |
-
2014
- 2014-12-17 CN CN201410783009.4A patent/CN104497541A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962065A (en) * | 2015-07-14 | 2015-10-07 | 常州市盈顺电子有限公司 | Epichlorohydrin rubber aging-resisting and wear-resisting cable material and preparation method thereof |
| CN109797027A (en) * | 2019-01-22 | 2019-05-24 | 东莞市港田高分子材料有限公司 | A kind of High Performance Insulation lubricating grease and preparation method thereof |
| CN109797027B (en) * | 2019-01-22 | 2021-11-09 | 东莞市港田高分子材料有限公司 | High-performance insulating lubricating grease and preparation method thereof |
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Application publication date: 20150408 |