公开(公告)号：US3627855A

公开(公告)日：1971-12-14

申请号：US3627855D

申请日：1967-09-05

Applicant: BASF AG

Inventor： SCHOTT OTTO ,  BRONSTERT KLAUS ,  ECHTE ADOLF ,  HOFMANN JUERGEN ,  STEIN DIETER

IPC: C08F2/18 ,  C08F279/04 ,  C08F15/04 ,  C08F1/04 ,  C08F1/11

CPC classification number: C08F279/04 ,  Y10S525/924

Abstract: Production of impact-resistant styrene copolymers by polymerizing styrene and acrylonitrile in the presence of butadiene polymers, the bulk of the acrylonitrile being added to the system after a disperse phase has formed from the homogeneous rubber monomers.