| 摘要 |
The invention relates to polyurethane foams comprising (i) ethylenimine, polyethylenimine, polyvinylamine, polyvinylamine copolymers, carboxymethylated polyethylenimines, phosphonomethylated polyethylenimines, quaternized polyethylenimines and/or dithiocarbamatized polyethylenimines or (ii) alkali metal hydroxides and/or alkaline earth metal hydroxides or a mixture of (i) and (ii).
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