Method for prepartion of abs type resins

Details Method for prepartion of abs type resins Method for prepartion of abs type resins

C - Chemistry, Metallurgy

08

F

400/3053

C08F 279/04 (2006.01) C08F 2/00 (2006.01) C08F 285/00 (2006.01)

Patent

CA 1042589

APPLICATION FOR LETTERS PATENT FOR METHOD FOR PREPARATION OF ABS TYPE RESINS ABSTRACT A process for making ABS and related resins WHICH involves grafting an alkadiene elastomer with styrene-type and/or acrylonitrile-type monomers by emulsion polymerization to produce a grafted rubber latex, mixing with such grafted latex a mixture of at least one of the same monoethylenically unsaturated monomers and at least one saturated styrene- acrylonitrile copolymer solvent in an amount of at least 5 percent by weight of such saturated solvent based upon the total weight of monomers and solvent, coagulating the grafted rubber particles from the latex, separating water from said mixture and subjecting the resulting dispersion of grafter rubber in said solvent and monomer mixture to continuous mass polymerization. Inventor: David L. Cincera

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