HOT MELT MOISTURE CURE ADHESIVE COMPOSITIONS

An adhesive composition that includes: one or more polyester polyether copolymers of formula I: wherein Nu is a predominately cyclic nucleus and R1 is randomly selected from either a C2-6 alkylene or an amorphous, long-chain polyether subunit including a polyoxyalkylene group; one or more polyisocya...

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Bibliographische Detailangaben
Hauptverfasser: SCHMIERER JEFFERY G, HELMEKE MARIETTA B, UNZE-SCHMIERER THERESA
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An adhesive composition that includes: one or more polyester polyether copolymers of formula I: wherein Nu is a predominately cyclic nucleus and R1 is randomly selected from either a C2-6 alkylene or an amorphous, long-chain polyether subunit including a polyoxyalkylene group; one or more polyisocyanate prepolymers that includes the reaction product of: one or more polyols; and a polyfunctional isocyanate having a functionality of more than about 2; polymeric MDI; and a first aromatic or aromatic-aliphatic polymer tackifying resin having a softening point of equal to or greater than about 100° C.