Method for producing rubber modified thermoplastic resins

C - Chemistry – Metallurgy – 08 – J

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C08J 3/00 (2006.01) C08L 51/04 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1281452

METHOD FOR PRODUCING RUBBER MODIFIED THERMOPLASTIC RESINS ABSTRACT OF THE DISCLOSURE Disclosed is a method for producing a rubber modified thermoplastic resin excellent in surface appear- ance and various properties and high in commercial values which comprises removing an aqueous phase from a two- phase mixture comprising a graft rubber polymer latex (1) obtained by graft polymerization of vinyl monomer on a rubber latex, a thermoplastic resin (2), an organic agent in an amount of 0.1 to 6 times the weight of all the polymers (3) which is capable of dissolving said thermoplastic resin (2) and has a solubility in water of 5% by weight or less at 25°C and a water soluble agent in an amount of 10% by weight or less of said graft rubber polymer which can coagulate said latex and then removing said organic agent and remaining water from the remaining organic phase by a thermal means.

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