Process for preparing polymer resins

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

400/1105, 400/11

C08F 2/00 (2006.01) C08F 291/02 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01)

Patent

CA 1093733

Abstract of the Disclosure A process for preparing polymer resins by poly- merization of at least one ethyienic monomer in the presence of at least one rubbery polymer optionally grafted with at least one ethylenic monomer which comprises initiating the polymerization in an emulsion system, adding a suspension stabilizer to the polymerization system after the conversion of the ethylenic monomer reaches 5% by weight and before the emulsion system is broken, and then continuing the polymerization in a suspension system until completion of the polymerization. By this process, polymer resins can be produced with particles having a beautiful appearance and an even particle size with a narrow range of particle size distribution.

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