Continuous mass polymerization process for polybends

C - Chemistry – Metallurgy – 08 – F

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400/2040, 400/64

C08F 279/00 (2006.01) C08F 12/00 (2006.01) C08F 279/02 (2006.01) C08F 287/00 (2006.01)

Patent

CA 1087792

APPLICATION FOR LETTERS PATENT FOR CONTINUOUS MASS POLYMERIZATION PROCESS FOR POLYBLENDS ABSTRACT OF THE DISCLOSURE The invention relates to an improved process for the continuous mass polymerization of solutions comprising monoalkenyl aromatic monomers having a diene rubber dis- solved therein, wherein the process continuously and progressively polymerizes said solution in a single re- action zone under staged, evaporatively cooled, linear flow, stirred polymerization producing a polyblend com- prising a matrix polymer phase of predetermined molecular weight and molecular weight distribution and a dispersed rubber phase having present grafted and occluded polymer providing high rubber efficiency for toughening said polyblend. Inventors: Robert H. M. Simon Thomas M. McAuley

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