摘要 |
A formulation for the production of a polyurethane system, in particular a polyurethane foam, containing or consisting of tin and/or zinc ricinoleate(s), optionally tin carboxylate(s), a mixture containing or consisting of urea, sugar alcohol and polyethylene glycol, optionally organic solvent, one or more organic isocyanates having two or more isocyanate functions, one or more polyols having two or more groups which are reactive towards isocyanate, optionally further catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, water, optionally physical blowing agents, optionally flame retardants and optionally further additives, a process for the production of polyurethane systems, these polyurethane systems and their use.
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