Enhanced heat mirror films
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United States of America Patent
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May 8, 2007
Grant Date -
Feb 19, 2004
app pub date -
Aug 17, 2002
filing date -
Aug 17, 2002
priority date (Note) -
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Abstract
A heat mirror film containing visible light-transmissive and infrared reflective film comprising a birefringent dielectric multilayer support that reflects at least 50% of light in a band at least 100 nm wide in a wavelength region of interest, a metal or metal alloy layer whose thickness is such that the film is visible light-transmissive and its reflection band is broadened, and a crosslinked polymeric layer has improved infrared reflecting properties. The film can be joined or laminated into glazing (especially non-planar vehicular safety glazing) with reduced likelihood that the metal or metal alloy layer will be damaged or distorted.
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