Flame retardant thermoplastic composition and articles comprising the same
AssigneeSabic Innovative Plastics IP B.V.
InventorsKazunari Kosaka, Xiucuo Li, Weiguang Yao
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Abstract
A flame retardant thermoplastic composition comprises: a poly(arylene ether); an impact modifier; a polyolefin; a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate wherein the amount of phosphoric acid salt by weight is greater than or equal to the amount of organic phosphate by weight. The flame retardant composition is may be used in the production of electrical wires.
Claims26
A flame retardant thermoplastic composition comprising:
- a poly(arylene ether);
- an impact modifier;
- a liquid polyolefin;
- a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing;
- a metal hydroxide;
- and
- an organic phosphate wherein the amount of phosphoric acid salt by weight is greater than or equal to the amount of organic phosphate by weight.
A flame retardant thermoplastic composition comprising:
- a poly(arylene ether);
- an impact modifier;
- a liquid polyolefin;
- 7 to 20 weight percent of a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing;
- 4 to 15 weight percent of a metal hydroxide;
- and
- 3 to 11 weight percent of an organic phosphate wherein weight percent is with respect to the combined weight of the poly(arylene ether), impact modifier, polyolefin, phosphoric acid salt, metal hydroxide and organic phosphate and
- the amount of phosphoric acid salt by weight is greater than or equal to the amount of organic phosphate by weight.
An electrical wire comprising:
- a conductor, and
- a covering disposed over the conductor wherein the covering comprises:
- a flame retardant thermoplastic composition comprises:
- a poly(arylene ether);
- an impact modifier;
- a liquid polyolefin;
- a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing;
- a metal hydroxide;
- and
- an organic phosphate wherein the amount of phosphoric acid salt by weight is greater than or equal to the amount of organic phosphate by weight.
An electrical wire comprising:
- a conductor, and
- a covering disposed over the conductor wherein the covering comprises:
- a flame retardant thermoplastic composition comprises:
- a poly(arylene ether);
- an impact modifier;
- a liquid polyolefin;
- 7 to 25 weight percent of a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing;
- 4 to 15 weight percent of a metal hydroxide;
- and
- 3 to 11 weight percent of an organic phosphate wherein weight percent is with respect to the combined weight of the poly(arylene ether), impact modifier, polyolefin, phosphoric acid salt, metal hydroxide and organic phosphate.
Dependencies are inferred from the claim text.