Laminated Glass Laminates Having Heat-Radiation-Shielding Properties Based on Thin Films Formed From Unplasticised Polyvinyl Acetal
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United States of America Patent
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Issued Date -
Aug 6, 2015
app pub date -
Jan 21, 2015
filing date -
Feb 5, 2014
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Abandoned
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Abstract
A heat-shielding laminated glass laminate contains at least one film A containing a polyvinyl acetal PA and optionally at least one plasticiser WA, and at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB, positioned between two glass sheets, wherein prior to lamination:
- a proportion of plasticiser WA of less than 16% by weight is dispersed in film A,a proportion of plasticiser WB of at least 16% by weight is dispersed in film B, andheat-shielding particles are dispersed in film A.
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