Inventors:
Owen H. Decker - Wyomissing PA
Charles P. Tarnoski - Sinking Spring PA
Lee F. Spencer - Lebanon PA
Roy M. Berstler - Hamburg PA
James G. Fotiou - Reading PA
Assignee:
Rohm and Haas Company - Philadelphia PA
International Classification:
B32B 2520
US Classification:
428447, 428203, 428323, 428324, 428325, 428330, 428331, 1062871, 106600, 106626, 106636, 106DIG 3, 524442, 524449, 524492, 524493, 524494, 524588, 524904, 525474, 528 14, 528 19
Abstract:
Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coating powders are filled with between about 10 and about 50 phr of fillers selected from the group consisting of needle-like calcium metasilicate, mica, rod-like glass particles, and mixtures thereof, the fillers having aspect ratios between about 8 and about 40.