Polycarbonate resin compositions and articles therefrom
AssigneeGeneral Electric Company
InventorsJames Ross Fishburn, Erwin Marie Alfred Gijzen, Johannes Martinus Dina Goossens, Walter van der Heijden, Henricas Hubertus Maria van Hout, Hendrik Verhoogt
Life of this patent
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Abstract
A transparent, flame retardant polycarbonate composition consisting essentially of an aromatic polycarbonate resin and a flame-retarding amount of a guanidine salt or derivatives thereof, wherein the amount of guanidine salt or derivatives thereof is about 1 wt. % or less.
Claims13
An article, comprising a thermoplastic resin composition, comprising:
- an aromatic carbonate resin;
- a guanidine salt present in an amount of less than 1 wt. % based on the total weight of the composition;
- and
- a resin selected from the group consisting of a graft copolymer component comprising a graft portion formed from at least two ethylenically unsaturated monomers and a rubbery polymer substrate, polypropylene, polystyrene, polymethyl methacrylate, polyphenylene oxide, polyester, and mixtures of two or more of the foregoing;
- wherein the article has a final form selected from the group consisting of an extruded sheet, a solid sheet, a multi-wall sheet, a corrugated sheet, and a profiled sheet.
An article, comprising a thermoplastic resin composition, consisting essentially of:
- an aromatic carbonate resin;
- a guanidine salt, derivatives or mixtures thereof, present in an amount of less than 1 wt. % based on the total weight of the composition;
- and
- a graft copolymer component comprising a graft portion formed from at least two ethylenically unsaturated monomers and a rubbery polymer substrate;
- wherein the article has a final form selected from the group consisting of an extruded sheet, a solid sheet, a multi-wall sheet, a corrugated sheet, and a profiled sheet.
An article, comprising a thermoplastic resin composition, consisting essentially of:
- an aromatic carbonate resin;
- a guanidine salt, derivatives or mixtures thereof, present in an amount of less than 1 wt. % based on the total weight of the composition;
- and
- at least one resin component selected from the group consisting of polypropylene, polystyrene, polymethyl methacrylate, polyphenylene oxide, polyester, and mixtures thereof;
- wherein the article has a final form selected from the group consisting of an extruded sheet, a solid sheet, a multi-wall sheet, a corrugated sheet, and a profiled sheet.
Dependencies are inferred from the claim text.