Über die Polymerisation von Trioxan in 1,4‐Dioxan

Abstract

SUMMARY:The cationic polymeriz~tion of trioxane in 1,4-dioxane, initiated by BF,.EtlO has been investigated. In order 10 start the polymerization a relatively large concentration of initiator is necessary. A considerable part of the BFJ.EtzO-initiator (ZY~",;,) does not take part in the polymeriration. Another result of our experiments is that during the polymeriiration a depolymcrization of polymer molecules takes place. Comparing depolyrnerization-experiments of the prepared polyoxymethylen-samples at 180°C have shown that the stability mainly depends on the molecular weight and not on the type of solvcnf (dioxane or nitrobenzcne) present during the polymeri7ation. kin k i t ling