FLAME RETARDANTS CONSISTING OF SALTS OF PHOSPHORUS CYCLIC COMPOUNDS, PROCESS FOR THEIR PREPARATION AND COMPOSITE FLAME RETARDANTS CONTAINING THEM

摘要

P NEW FLAME RETARDANTS CONSISTING OF ALKALI METAL SALTS AND / OR ALKALINE EARTH METAL SALTS OF CYCLIC PHOSPHORUS COMPOUNDS REPRESENTED BY THE GENERAL FORMULA: BR/ (CF DRAWING IN BOPI) BR/ OR XAX REPRESENT SYMBOLS EACH A HYDROGEN ATOM OR A HALOGENO RADICAL, CYANO, ACYL, ALKYL, HALOGENO-SUBSTITUTED ALKYL, ARYL, HALOGENO-SUBSTITUTED ARYL OR ARALKYL, SPECIFICALLY BULKENED WITH ORGANIC PULSULAR EARTHPROPETHOL THE CHARACTERISTIC PROPERTIES OF THESE SUBSTRATES; A PROCESS FOR THE PREPARATION OF THESE SALTS OF CYCLIC PHOSPHORUS COMPOUNDS AND COMPOSITE FLAME RETARDANTS CONTAINING THEM ARE ALSO DESCRIBED. /P