Back to results
US 5,182,325 AGranted
Polymer containing fluorinated polymer and boron compound
AssigneeGeneral Electric Company
InventorsChristianus A. Claesen, Johannus H. G. M. Lohmeijer, Michael P. J. Boogers, Jan Bussink, Hermannus B. Savenije, Theodorus L. Hoeks, Johannes C. Gosens
Life of this patent
Estimating the term…
Abstract
The flame-retardant properties of polymers with an aromatic main chain can be improved by incorporating therein a fluorine compound in combination with a boron compound.
Claims10
A polymer composition, which comprises:
- a polyphenylene ether polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame-retardant ingredient, a mixture consisting essentially of 0.2-15 percent by weight of the fluroine containing polymer selected from the group consisting of polyvinylidene fluoride, polytetrafluoroethylene and copolymers of ethylene and tetrafluoroethylene and 0.05-10 percent by weight of an inorganic boron compound.
A polymer composition, which comprises;
- a polyphenylene sulfide polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame-retardant ingredient, a mixture consisting essentially of 0.02-15 percent by weight of a fluorine containing polymer selected from the group consisting of polyvinylidene fluoride, polytetrafluoroethylene and copolymers of ethylene and tetrafluoroethylene and 0.05-10 percent by weight of an inorganic boron compound.
A polymer composition, which comprises;
- a polyether sulfone polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame-retardant ingredient, a mixture consisting essentially of 0.2-15 percent by weight of a fluorine containing polymer selected from the group consisting of polyvinylidene fluoride, polytetrafluoroethylene and copolymers of ethylene and tetrafluorethylene and 0.05-10 percent by weight of an inorganic boron compound.
A polymer composition, which comprises;
- a polyether imide polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame-retardant ingredient, a mixture consisting essentially of 0.2-15 percent by weight of a fluorine containing polymer selected from the group consisting of polyvinylidene fluoride, polytetrafluoroethylene and copolymers of ethylene and tetrafluoroethylene and 0.05-10 percent by weight of an inorganic boron compound.
A polymer composition, which comprises:
- a polyphenylene sulfide polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame-retardant ingredient, a mixture consisting essentially of 0.2-15 percent by weight of polytetrafluoroethylene and 0.05-10 percent by weight of boric acid.
A polymer composition, which comprises:
- a polyether sulfone polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame-retardant ingredient, a mixture consisting essentially of 0.2-15 percent by weight of polytetrafluoroethylene and 0.05-10 percent by weight of boric acid.
A polymer composition, which comprises:
- a polyetherimide polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame-retardant ingredient, a mixture consisting essentially of 0.2-15 percent by weight of polytetrafluoroethylene and 0.05-10 percent by weight of boric acid.
A polymer composition, which comprises:
- a polyphenylene ether polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame retardant ingredient, a mixture consisting essentially of 3 to 7 percent by weight of the polymer of a polytetrafluoroethylene and 1.5 and 3.5 percent by weight of a boron compound selected from the group consisting of B.sub.2 O.sub.3 and a borate.
A polymer composition, which comprises;
- a polyphenylene ether polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame retardant ingredient, a mixture of 1 to 2 percent by weight of polymer of polytetrafluoroethylene and 1 to 3 percent by weight of boric acid.
A polymer composition, which comprises:
- a polyphenylene ether polymer wherein at least 20 percent of the polymer comprises an aromatic main chain;
- and as a flame retarding ingredient, a mixture consisting essentially of 0.2 to 15.0 percent by weight of the polymer of polyvinylidene fluoride and 0.2 to 3 percent by weight of an inorganic boron compound selected from the group consisting of boric acid, B.sub.2 O.sub.3 and borate.
Dependencies are inferred from the claim text.