Core-shell type double-active acrylate elastic body and preparation method thereof
An acrylate, dual-active technology, applied in the field of core-shell type dual-active acrylate elastomer, can solve the problems of low cost performance of new fluororubber, limited promotion and application, high production cost, and achieve good comprehensive performance of the film, Good stability and high temperature resistance
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Embodiment 1
[0024] Add 70 parts of methyl acrylate, 55 parts of methoxyethyl acrylate, and 15 parts of sodium acrylamide isopropyl sulfonate into the kneader, raise the temperature to 62°C, keep the temperature for 0.8 hours, and then add benzoyl peroxide 10 parts and potassium persulfate-sodium bisulfite 5 parts, under the protection of nitrogen, heat up to 83°C, keep warm for 1.7h, and finally cool to 43°C to obtain a core-shell type dual-active acrylate elastomer.
Embodiment 2
[0026] Add 80 parts of ethyl acrylate, 75 parts of methyl methacrylate, and 20 parts of sodium salt of alcohol ether sulfosuccinate containing double bonds into the kneader, raise the temperature to 90°C, keep the temperature for 1.2 hours, and then add over 8 parts of benzyltriphenylphosphorous chloride and 6 parts of ammonium persulfate-sodium bisulfite, under the protection of nitrogen, heat up to 80°C, keep the temperature for 1.5h, and finally cool to 40°C to obtain core-shell type biactive acrylic acid Ester elastomers.
Embodiment 3
[0028] Add 100 parts of butyl acrylate, 80 parts of hydroxyethyl methacrylate, and 30 parts of sodium vinyl sulfonate into the kneader, raise the temperature to 70°C, keep the temperature for 1.0 h, and then add 17 parts of calcium hydroxide and chloric acid 8 parts of sodium-sodium sulfite were heated up to 100°C under the protection of nitrogen, kept for 2.0 hours, and finally cooled to 50°C to obtain a core-shell type dual-active acrylate elastomer.
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