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Preparation of block- and graft copolymers starting from a bicyclic oxalactam

✍ Scribed by Hashimoto, Kazuhiko ;Sumitomo, Hiroshi

Publisher: Wiley (John Wiley & Sons)
Year: 1985
Weight: 366 KB
Volume: 12
Category: Article
ISSN: 0025-116X
DOI: 10.1002/macp.1985.020121985105

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✦ Synopsis

A new block copolymer composed of hydrophilic polyamide as outer segments and polyoxyethylene as an inner segment was obtained by anionic polymerization of a bicyclic oxalactam, 8-oxa-6-azabicyclo[3.2.l]octan-7- one, using the isocyanate-terminated polyoxyethylene as an activator. benzyl end group was prepared by anionic polymerization of the bicyclic oxalactam followed by the reaction with p-vinylbenzylamine. Its radical copolymerization with styrene was conducted to obtain a graft copolymer consisting of a nonpolar hydrophobic polystyrene stock and hydrophilic polyamide branches.

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