Laminated glass comprising a functional film
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United States of America Patent
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Mar 16, 2021
Grant Date -
Nov 23, 2017
app pub date -
Apr 19, 2017
filing date -
May 19, 2016
priority date (Note) -
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Abstract
Laminated glass consists of two glass sheets interlayered with at least one film A containing a polyvinyl acetal PA and optionally at least one plasticiser WA, at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB and polymer film C, wherein film A comprises less than 16% by weight of plasticiser WA, film B comprises at least 16% by weight of plasticiser WB, film C comprises polyamide, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyvinyl alcohol (PVA), polylactic acid (PLA), cellulose acetate or ionomers, and wherein film C is located between film A and film B.
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