A POLYOL BLOCK COPOLYMER

A POLYOL BLOCK COPOLYMER

A (poly)ol block copolymer of general structure B-A-(B)n, wherein block A is a polycarbonate block or polyester block, n=t−1 and t=the number of reactive end residues on block A, wherein block B is a polyethercarbonate block and wherein >70% of the copolymer chain ends are terminated by primary h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Leeland, James, Fereday-Trott, Gemma, Kember, Michael
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:A (poly)ol block copolymer of general structure B-A-(B)n, wherein block A is a polycarbonate block or polyester block, n=t−1 and t=the number of reactive end residues on block A, wherein block B is a polyethercarbonate block and wherein >70% of the copolymer chain ends are terminated by primary hydroxyl groups, and a process of producing such copolymers and products incorporating such copolymers.