Flame retardant polyester resinous composition containing halogen and phosphorus

Claim 1

A POLYMERIZABLE MIXTURE COMPRISING (A) A POLYMERIZABLE LINEAR POLYESTER RESIN, COMPRISED OF THE REACTION PRODUCT OF A POLYCARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL, SAID RESIN HAVING OLEFINIC POLYMERIZABLE UNSATURATION AND (B) A VINYLIDENE MONOMER; AN INGREDIENT (I) OF SAID MIXTURE CONTAINING A CHEMICALLY COMBINED COMPONENT WHICH IS A CHEMICAL REACTION ADDUCT OF HEXAHALOCYCLOPENTADIENE WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLUORINE, AND MIXTURES THEREOF, WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A POLYCARBOXYLIC COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, WHEREIN SAID POLYCARBOXYLIC COMPOUND IS SELECTED FROM THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS, POLYCARBOXYLIC ANHYDRIEDES AND POLYCARBOXYLIC ACID HALIDES, AND AN INGREDIENT (II) OF SAID MIXTURE CONTAINING A COMPOUND OF PHOSPHORUS, BOTH THE ADDUCT OF I AND THE PHOSPHORUS OF II BEING CHEMICALLY COMBINED IN THE POLYMERIZED RESIN WHEN SAID POLYMERIZABLE MIXTURE IS COPOLYMERIZED, AND WHEREIN SAID COMPOUND OF PHOSPHORUS IS COMBINED IN SAID VINYLIDENE MONOMER, AND IS SELECTED FROM THE GROUP CONSISTING OF BIS (BETACHOROETHYL) VINYL PHOSPHONATE AND DI (CHLOROPROPYL) PROPENYL PHOSPHONATE BIS (BETACHLOROETHYL) VINYL PHOSPHONATE.