Copolymerization fluorosilicone grease composition
A composition and copolymerization technology, applied in the field of polymer materials, can solve the problems of cost reduction, incompatibility of liquid fluorosilicone rubber and linear organosiloxane, etc., and achieve the goal of reducing cost, increasing service life and improving compatibility Effect
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[0009] The first step: Add 5 kg of fumed silica with a specific surface area of 180m2 / g into a double planetary stirring tank, add 0.3 kg of D3F, heat to 135°C and stir for 4h, 30~50r / min, and cool to room temperature to prepare Modified silica thickener.
[0010] Step 2: Take 10 kg of hydroxyl-terminated liquid fluorosilicone rubber with a viscosity of 5000cP (produced by Changchun Xilante New Material Co., Ltd., the brand is FS-50H), and 40 kg of methyl-terminated liquid fluorosilicone rubber with a viscosity of 5000cP (manufactured by Changchun Xilante New Material Co., Ltd., the brand is FS-50C) and 50 kg of 107 glue with a viscosity of 1000cP are added to the double planetary stirring tank. After fully stirring, add 0.05 kg of A-151, heat up to 90 ° C and stir for 1 hour , the stirring speed is 30~50r / min, and the base oil is obtained by cooling to room temperature.
[0011] The third step is to add the modified white carbon black thickener to the base oil, heat to 90°...
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