Thermal stabilization and processing behavior of block copolymer compositions by blending, applications thereof, and methods of making same

Thermal stabilization and processing behavior of block copolymer compositions by blending, applications thereof, and methods of making same

A blended composition of unsaturated block copolymer with improved thermal stability and processing behavior includes at least one unsaturated block copolymer; and a compatibilizer selected from the group consisting of (1) high melt flow rate homopolymers or copolymers; (2) styrene-ethylenepropylene...

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Hauptverfasser: Day, Bryon Paul, DeGroot, Dennis John, Garvey, Michael Joseph, Hall, Gregory K, Kobylivker, Peter Michalovich, Polanco, Braulio Arturo, Roessler, Thomas Harold, Uitenbroek, Duane G, Zhou, Peiguang
Format: Patent
Sprache:eng
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Zusammenfassung:A blended composition of unsaturated block copolymer with improved thermal stability and processing behavior includes at least one unsaturated block copolymer; and a compatibilizer selected from the group consisting of (1) high melt flow rate homopolymers or copolymers; (2) styrene-ethylenepropylene-styrene (SEPS); (3) ethylene vinyl acetate (EVA); (4) styrene-butadiene-styrene (SBS), or styrene-isoprene-styrene (SIS) block copolymers; (5) single site catalyzed polyolefins, such as metallocene catalyzed and constrained geometry polyolefins; (6) amorphous poly alpha olefin homopolymer and copolymers; and (7) a combination of such.