Process for producing high impact styrene resin by...

Details Process for producing high impact styrene resin by... Process for producing high impact styrene resin by...

C - Chemistry, Metallurgy

08

L

400/3029, 402/57

C08L 21/00 (2006.01) C08L 25/10 (2006.01)

Patent

CA 1293091

7566-1045 ABSTRACT OF THE DISCLOSURE Disclosed is a process for producing a high impact styrene resin by continuous bulk polymerization and a high impact styrene resin produced by the process. The resin is produced in the presence of a rubbery polymer in a tubular reactor having static mixing means such as a static mixer without using a stirred tank reactor. A part of an initial-stage polymer solution is recycled and joined with a feed material solution. The rubbery polymer and the recycled initial-stage polymer solution are easily divided into fine particles uniformly dispersed. As a result, the grafting ratio is increased and a high impact styrene resin having excellent strength is obtained in which the grafted rubbery polymer is contained with a narrow particle size distribution.

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