Foamed Sheet for Reflector, Reflector, and Method for Producing Foamed Sheet for Reflector
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United States of America Patent
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Issued Date -
Mar 12, 2009
app pub date -
Apr 14, 2006
filing date -
Apr 19, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention provides a foamed sheet for a reflector which can be transformed to a reflector having a desired shape by thermoforming. differs by 1.0 or more from a refractive index of the polypropylene-based resin, and the foamed sheet A for a reflector has an overall thickness of from 0.2 to 2.0 mm and a light reflectance of 97% or more.
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