PROCESS FOR PRODUCING POLYURETHANE-POLYISOCYANURATE FOAMS

    公开(公告)号:DE3269728D1

    公开(公告)日:1986-04-10

    申请号:DE3269728

    申请日:1982-12-06

    Applicant: BASF AG

    Abstract: The invention describes a process for harmonizing the reaction rates for the formation of urethane and isocyanurate groups during the preparation of polyurethane-polyisocyanurate foams by reacting organic polyisocyanates with polyols in the presence of blowing agents and salts of amines having the formula as catalysts, wherein R stands for an hydrogen atom or a straight chained or branched alkyl radical with 1 to 19 carbon atoms, and n and m are equal or different whole numbers from 2 to 10.

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