| abstract |
The invention relates to a flame-retardant thermoplastic polyurethane based on at least one diisocyanate and on at least one substance reactive with isocyanate, and preferably on at least one chain extender, and also optionally on at least one catalyst, comprising at least one flame retardant, and also optionally additives and/or auxiliaries, where a flame retardant is a metal hydroxide surrounded at least to some extent by a coating, and further flame retardant present comprises at least one phosphorus-containing flame retardant which is a derivative of phosphoric acid, of phosphonic acid and/or of phosphinic acid, and moreover hydrotalcite and/or phyllosilicate is present, and also to a relevant production process and the use. |