the masses modellabili resistant to flame based on poliole end

摘要

1389994 Flameproof polyolefin compositions HOECHST AG and RUHRCHEMIE AG 25 April 1973 [25 May 1972] 19592/73 Heading C3P Flameproof moulding compositions comprise a pulverulent blend of (1) a polyolefin and (2) up to 30 weight per cent of flame retardant ingredients comprising red phosphorus and at least one organic nitrogen compound which carbonizes on inflammation in a weight ratio of phosphorus to nitrogen compound of 99 : 1 to 1 : 99. The polymer may be polyethylene or polypropylene. Specified organic nitrogen compounds are melamine and polyacrylonitrile.