Oil resistant silicone rubber material and preparation method thereof
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A silicone rubber and oil-resistant technology, applied in the field of silicone rubber, can solve problems such as the inability to meet the needs of special fields, and achieve the effects of long service life, excellent oil resistance and broad application prospects.
Inactive Publication Date: 2015-01-28
天长市荣盛有机硅科技有限公司
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With the development of science and technology, higher requirements are put forward for the oil resistance of silicone rubber. However, the oil resistance of silicone rubber in the existing market can no longer meet the needs of special fields.
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[0010] An oil-resistant silicone rubber material, made of the following raw materials by weight (kg): methyl vinyl trifluoropropyl silicone rubber 85, polyethylene naphthalate 50, dihydroxypolydimethylsiloxane 6 , nano-titanium boride 8, methyl silicone oil 4, aluminum naphthenate 2.5, basic lead silicate 5, triphenylmethane triisocyanate 2, precipitated barium sulfate 10, candelilla wax 4.5, hydroxyl-terminated liquid nitrile rubber 8 , Dibenzoyl p-quinone dioxime 2.5, N,N'-m-phenylene bismaleimide 2, polytrimethyldihydroquinoline 1.5, trinonylphenyl phosphite 1, additive 4 ;
[0011] The preparation method of the auxiliary agent is as follows: a, take the following weight (kg) raw materials: rosin pentaerythritol ester 5, 4,5-epoxycyclohexane-1,2-diglycidyl 3, zirconium fluoride 8. Thiophosphoric acid triphenyl isocyanate 3, 4,4′-biphenyl diphenol 1.5, triisopropanolamine boronate 4, methyl 2,2-dithienyl glycolate 2.5, bone glue powder 6 , tungsten carbide 8, decyl...
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Abstract
The invention discloses an oil resistant silicone rubber material and a preparation method thereof. The material consists of the following raw materials by weight: 75-95 parts of methyl vinyl trifluoropropyl silicone rubber, 40-60 parts of polyethylene naphthalate, 4-8 parts of dihydroxy polydimethylsiloxane, 5-10 parts of nano titanium boride, 3-6 parts of methyl silicone oil, 2-3 parts of aluminum naphthenate, 4-6 parts of lead silicate white, 2-3 parts of triphenylmethane triisocyanate, 10-15 parts of precipitated barium sulfate, 3-6 parts of candelilla wax, 5-10 parts of hydroxyl terminated liquid nitrile rubber, 2-3 parts of dibenzoylquinone dioxime, 1.5-2.5 parts of N,N'-1,3-phenylene bismaleimide, 1-2 parts of polytrimethyldihydroquinoline, 0.5-1.5 parts of TNPP and 3-5 parts of an additive. The silicon rubber material provided by the invention has the advantages of good oil resistant performance, heat resistance, high mechanical strength, tear resistance and aging resistance, can work in the oil medium for a long time, is not easy to age, and has long service life, good processing performance, low cost and broad application prospects.
Description
technical field [0001] The invention relates to an oil-resistant silicone rubber material and a preparation method thereof, belonging to the technical field of silicone rubber. Background technique [0002] Silicone rubber is a polymer material with polysilane as the main chain. Due to the non-polar and weak intermolecular interactions of the main chain siloxane segment, it has good thermal stability, weather resistance, aging resistance and electrical properties. Its mechanical properties are quite stable in a wide temperature range (-50~120°C), and it has been widely used in aerospace, electronic and electrical industries and other fields. With the development of science and technology, higher requirements are put forward for the oil resistance of silicone rubber. However, the oil resistance of silicone rubber in the existing market can no longer meet the needs of special fields. Therefore, it is necessary to modify silicone rubber to obtain silicone rubber materials with...
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