Fluorine-Free Polymer Processing Aids

Provided herein are polymer compositions comprising a polymer and a surfactant. The surfactant can serve as a polymer processing aid (PPA), and can include a sorbitan ester and/or a polysorbate, preferably a polysorbate. The polymer composition can optionally include other additives, as well. The po...

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Bibliographische Detailangaben
Hauptverfasser:	LEAF, Michael A, VAN HOYWEGHEN, Danny
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Provided herein are polymer compositions comprising a polymer and a surfactant. The surfactant can serve as a polymer processing aid (PPA), and can include a sorbitan ester and/or a polysorbate, preferably a polysorbate. The polymer composition can optionally include other additives, as well. The polymer can be a C2-Ce olefin homopolymer or a copolymer of two or more C2-C20 a-olefins, and the polymer composition can take the form of polymer pellets; a polymer melt; reactor-grade polymer granules and/or polymer slurries; or other form of polymer composition containing the PPA and optionally one or more other additives. The polymer composition is preferably free or substantially free of fluorine, including fluoropoly mer-based PPAs.