Title: Preparation of biuret-containing polyisocyanates
Application Number: 95113103 Application Date: 1995.12.08
Publication Number: 1128256 Publication Date: 1996.08.07
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C07C273/18;C07C275/62;C08G18/79
Applicant(s) Name: BASF Aktiengesellschaft Address:
Inventor(s) Name: Stefan Wolff;Wolfgang Heider;Werner Langer
Attorney & Agent: YANG JIUCHANG
Abstract:
    The invention is a process for the preparation of biuret-containing polyisocyanates by catalytic reaction of aliphatic and/or cycloaliphatic diisocyanates with a biuretizing agent, where the biuretizing agent employed is water in finely disperse form and the reaction is carried out in the presence of OH-acidic compounds.
Time: 6