作者: Martin Steuer , Bernd Papenfuhs , Matthias Gutweiler
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摘要: The invention relates to a cross-linked polyvinyl acetal which is characterized in that it can be obtained from at least one polyvinylacetal (1) by reacting polymer (A), contains a) 1,0 99.9 wt. % structural units of formula (1), b.) 0 99.0 (2), c.) 70.0 (3), d.) 0.0001 30.0 (4) respectively relation the overall weight with compound (B) (5).