POLYMER INTERLAYERS WITH IMPROVED ACOUSTIC PROPERTIES
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United States of America
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Jan 16, 2025
app pub date -
Oct 5, 2022
filing date -
Oct 5, 2022
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Abstract
A polymer interlayer with improved acoustic properties. The polymer interlayer comprises a first polymer layer, a second polymer layer, and a third polymer layer. The first polymer layer is positioned between the second polymer layer and the third polymer layer. The first polymer layer is formed from a resin comprising polyvinyl acetate (PVAc). The first polymer layer has a Tg of less than about 20° C. and a peak tan δ greater than about 2.0.
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