公开(公告)号：DE4020079A1

公开(公告)日：1992-01-02

申请号：DE4020079

申请日：1990-06-23

Applicant: BASF AG

Inventor： BOEHME RALF ,  VOLKERT OTTO DR

IPC: C08G18/00 ,  C08G18/30 ,  C08G18/65 ,  C08G18/66 ,  C08G101/00 ,  C08J9/02 ,  C08J9/14

Abstract: A process for the preparation of cellular plastics, preferably rigid structural polyurethane foams, by the polyisocyanate polyaddition process involves reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and optionally c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) blowing agents from the group comprising tertiary alcohols (di), preferably tertiary butanol, or a mixture of at least one tertiary alcohol (di) and water (dii), e) catalysts and optionally f) assistants and/or additives. a

公开(公告)号：ES2019315B3

公开(公告)日：1991-06-16

申请号：ES87103022

申请日：1987-03-04

Applicant: BASF AG

Inventor： HORN PETER ,  CHAKRABARTI SARBANANDA ,  BOEHME RALF ,  SCHMIDT HANS ULRICH ,  STREU JOACHIM

IPC: B29C33/60 ,  C08G18/28 ,  C08G18/34 ,  C08G18/65 ,  C08J9/00 ,  C08K5/09 ,  C08K5/098 ,  C08K5/17 ,  C08K5/20 ,  C08K13/00