High-reflectance paint for high-intensity optical applications

Details High-reflectance paint for high-intensity optical applications High-reflectance paint for high-intensity optical applications

2005-12-13

2005-12-13

Koslow, C. Melissa (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

C106S600000, C106S635000, C250S23700G

Reexamination Certificate

active

06974498

ABSTRACT:
Many commercial radiant energy processing systems, such as luminaires and light detectors, require highly efficient diffusely reflective surfaces that can withstand high temperatures. As disclosed herein, a reflector for such a device is constructed of a substrate with a reflective coating, for example painted onto one or more surfaces of the substrate. The coating material comprises a zinc oxide pigment, preferably an uncalcined zinc oxide together with a small amount of a dispersing agent. The pigment and water are mixed together with an alkali metal silicate vehicle-binder (preferably a potassium silicate), for example, in a sheer mixer. The resulting material can be painted onto the desired surface, for example by spraying, spot-brushing or dipping.

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I I T Research Institute, Jan. 2000, Z93-P Thermal Control Coating Kit, MSDS, pp 29.
“Paint, Z-93 or Z-93P Temperature Control, Specification For,” Advanced Materials & Coatings Laboratory IIT Research Institute (AMCL/IITRI), Chicago, IL 60616, Nov. 1962, Specification No. IITRI-MD-C08089-SP9, pp. 1-9.
“Paint, Z-93 or Z-93P Temperature Control, Application Of, Specification For,” Advanced Materials & Coatings Laboratory IIT Research Institute (AMCL/IITRI), Chicago, IL 60616, Specification No. IITRI-MD-C08089-SP10, Apr. 1992, pp. 1-13.
“Z93-P Thermal Control Coating Kit,” IIT Research Insitiute (IITRI), Chicago, IL 60616, Jan. 2000, MSDS No. Z93-P Kit.doc.

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