Polymer particle dispersions with polyols

A toughener composition comprising: a) a polyol component selected from the group consisting of a polyether polyol, a polyester polyol, a polycaprolactone polyol, a hydroxyl-terminated polybutadiene, and mixtures or copolymers thereof; and b) a core shell rubber comprising a rubber particle core and...

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Bibliographische Detailangaben
Hauptverfasser: NUNLEY JEANETTE K, XIE RUI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A toughener composition comprising: a) a polyol component selected from the group consisting of a polyether polyol, a polyester polyol, a polycaprolactone polyol, a hydroxyl-terminated polybutadiene, and mixtures or copolymers thereof; and b) a core shell rubber comprising a rubber particle core and a shell layer wherein said core shell rubber has a particle size of from 0.01 um to 0.5 um is disclosed. The toughener can be used in epoxy resin compositions for composite applications.