Acrylic copolymer for use in highly filled composites

The invention relates to an acrylic copolymer additive useful as a process aid in highly filled polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) composites. The acrylic additive is especially useful in highly filled PVC flooring tiles, rolled flooring, pipe and siding. The acrylic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Lavach Mark L, Lavallee Paul R, Hu Rong Maria
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to an acrylic copolymer additive useful as a process aid in highly filled polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) composites. The acrylic additive is especially useful in highly filled PVC flooring tiles, rolled flooring, pipe and siding. The acrylic copolymer additive contains from 50 to 79 weight percent of methyl methacrylate monomer units, and has a Tg of less than 90° C.