公开(公告)号：JP2000154229A

公开(公告)日：2000-06-06

申请号：JP26916399

申请日：1999-08-18

Applicant: BASF AG

Inventor： MARTIN KURAIENSHIYUMITSUTO ,  ARLT ANDREAS ,  LORENZ REINHARD ,  TREULING ULRICH DR

IPC: C08G18/70 ,  C08G18/08 ,  C08G18/18 ,  C08G18/34 ,  C08G18/62 ,  C08G101/00 ,  C08J9/00 ,  C08K5/09

Abstract: PROBLEM TO BE SOLVED: To provide a mixture for preparing a product having excellent stability to a maturing process, specifically to hydrolysis in a polyisocyanate polyaddition reaction. SOLUTION: A mixture comprises (i) at least one isocyanate and (ii) at least one acid/or at least one acid derivative except its acid anhydride wherein (ii) is present in an amount of 0.01 to 20 wt.% based on the weight of the mixture; and the acid or the acid derivative of (ii) is present in a molar excess over any amines present in the mixture.