公开(公告)号：DE4028940A1

公开(公告)日：1992-03-19

申请号：DE4028940

申请日：1990-09-12

Applicant: BASF AG

Inventor： FAUTH KARL-HEINZ ,  MARTISCHIUS FRANZ-DIETER DR ,  RAAB BERNHARD

IPC: B29B13/10 ,  C08J3/12

Abstract: A process for reducing the size of polyisobutene with a molecular weight of from 5,000,000 to 12,000,000 by grinding under pressures of from 1 to 50 bar and with average residence times of from 0.1 to 30 minutes entails the grinding being carried out at from 0 DEG to 60 DEG C.

公开(公告)号：DE3915071A1

公开(公告)日：1990-11-15

申请号：DE3915071

申请日：1989-05-09

Applicant: BASF AG

Inventor： MARTISCHIUS FRANZ-DIETER DR ,  RAAB BERNHARD ,  KARAU DIETER

IPC: C09K3/00 ,  C10L1/16 ,  F17D1/16