Patent ID: 7235604

Claim:
A fire-retardant composition, comprising, by weight, based on 100 parts weight total: 50 to 75 parts of a blend of a component (A) comprising a polyamide and a component (B) comprising at least one of: a homopolymer or copolymer of alpha-olefins and/or diolefins, a metallocene polyethylene, a copolymer of ethylene with a salt or ester of an unsaturated carboxylic acid or a vinyl ester of a saturated carboxylic acid, or one of the above polymers functionalized with an acid, anhydride or epoxy functional group, or one of the above polymers grafted with maleic anhydride or glycidyl methacrylate, the above polymers optionally being crosslinked, and 25 to 50 parts of a blend comprising: 0.1 to 48.8 parts of a halogen-free fire retardant, 0.1 to 30 parts of a phosphorus-containing plasticizer, and 0.1 to 10 parts of a zeolite, wherein either: the fire retardant is selected from the group consisting of: ammonium phosphates, pyrophosphates, polyphosphates, melamine phosphates, melamine phosphite, piperazine phosphite, piperazine diphosphite, guanazole phosphate, melamine pyrophoshate and piperazine pyrophosphate, or the phosphorus-containing plasticizer is selected from the group consisting of: isopropylphenyl phosphate, diphenyl phosphate and triphenyl phosphate.