公开(公告)号：DE4119459A1

公开(公告)日：1992-12-17

申请号：DE4119459

申请日：1991-06-13

Applicant: BASF AG

Inventor： VOLKERT OTTO DR ,  MAURER WALTER DR

IPC: C08G18/08 ,  C08G18/00 ,  C08G18/65 ,  C08J9/14

Abstract: The invention relates to a process for the preparation of cellular plastics by the polyisocyanate polyaddition process, by 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, … e) catalysts … f) assistants and/or additives, … where the blowing agents (d) used are …… d1) low-boiling, fluorinated and/or perfluorinated tertiary alkylamines or … mixtures of (d1) and at least one further physical and/or chemical blowing agent (d2) other than (d1), … and to blowing agent-containing emulsions of the abovementioned blowing agents (d1) or the blowing agent mixture of (d1) and (d2) and the formative components (a), (b), (c) or (b) and (c).

公开(公告)号：CH1540967A4

公开(公告)日：1969-07-31

申请号：CH1540967

申请日：1967-11-03

Applicant: BASF AG

Inventor： BRANDEIS HANS DR ,  MAURER WALTER DR ,  FEINAUER ANTON DR

IPC: C08G12/26 ,  D06M15/423 ,  D06M15/54