IMPROVED PERFORMANCE AND PROCESSING OF POLYVINYL BUTYRAL (PVB)/ACRYLIC COMPOSITES
A composition and a method for preparing a polymer composite article. The composition comprises (A) a polyvinyl butyral (PVB) polymer in an amount of from 10 to 90 wt. %. The composition also comprises (B) a filler in an amount of from 10 to 90 wt. %. Further, the composition comprises (C) an acryli...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A composition and a method for preparing a polymer composite article. The composition comprises (A) a polyvinyl butyral (PVB) polymer in an amount of from 10 to 90 wt. %. The composition also comprises (B) a filler in an amount of from 10 to 90 wt. %. Further, the composition comprises (C) an acrylic polymer additive in an amount of from greater than 0 to 10 wt. %, the acrylic polymer additive selected from acrylic copolymers having a weight average molecular weight of at least 4,000,000 Da and a core-shell acrylic additive having a crosslinked core and a shell comprising an acrylic homopolymer or copolymer. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition. |
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