POLYVINYL ACETAL RESIN FILM FOR LAMINATED GLASS
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United States of America
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Jan 23, 2020
app pub date -
Mar 27, 2018
filing date -
Mar 27, 2018
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Abstract
A polyvinyl acetal resin film for laminated glass,
- a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being more than 200 mPa·s,the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, andthe polyvinyl acetal resin film having a thickness of 10 to 350 μm.
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