US 7,585,436 B2
Polymer films comprising stabilized infrared absorbing agents
William Keith Fisher, Suffield, Conn. (US); Bruce Edward Wade, West Springfield, Mass. (US); and Paul Daniel Garrett, Sturbridge, Mass. (US)
Assigned to Solutia Incorporated, St. Louis, Mo. (US)
Filed on Dec. 14, 2005, as Appl. No. 11/300,239.
Prior Publication US 2007/0135534 A1, Jun. 14, 2007
Int. Cl. F21V 9/04 (2006.01); F21V 9/00 (2006.01); C08L 63/00 (2006.01); C08L 67/02 (2006.01); C08K 3/10 (2006.01); C08K 3/38 (2006.01); B32B 27/20 (2006.01); B32B 27/36 (2006.01); B32B 27/38 (2006.01)
U.S. Cl. 252—587  [252/582; 523/445; 523/457] 5 Claims
 
1. A poly(ethylene terephthalate) film, comprising:
lanthanum hexaboride; and
an epoxy agent;
wherein said poly(ethylene terephthalate) film has a thickness of 0.01 millimeters to 0.30 millimeters; wherein said lanthanum hexaboride and said epoxy agent are disposed in said poly(ethylene terephthalate) film; and wherein said epoxy agent is selected from the group consisting of diepoxides of poly(oxypropylene) glycol, 2-ethylhexyl glycidyl ether, and diepoxide products of epichlorohydrin and polypropylene glycol.