Absorbing solar control interlayers
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United States of America Patent
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Oct 3, 2017
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N/A
app pub date -
Apr 29, 2015
filing date -
Apr 29, 2014
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Abstract
A thermochromic, near infrared (NIR) absorbing interlayer. The interlayer includes a NIR-absorbing substance dispersed or dissolved in a polymer matrix and a thermochromic material or system. The interlayer has an internal visible light transmission above 50% and an internal solar energy transmission below 55% when the interlayer is at 15° C. and an internal visible light transmission below 20% and an internal solar energy transmission below 20% when the interlayer is at 75° C. The internal haze of the interlayer is below 3.5%.
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