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PHOTOCHEMICAL DEGRADATION OF POLYMERS CONTAINING URETHANE GROUPS IN THE SOLID PHASE: INFLUENCE OF S BLOCK CATIONS ON THE DEGRADATION

โœ Scribed by Iordan, Alexandra Raluca; Palamaru, Mircea-Nicolae; Cecal, Alexandru; Popa, Aurelian Florin; Ciobanu, Constantin; Craus, Mihail Liviu


Book ID
125806053
Publisher
Taylor and Francis Group
Year
2004
Tongue
English
Weight
331 KB
Volume
53
Category
Article
ISSN
0091-4037

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The Na 2 CO 3 -promoted polymerization of 1,3-dioxolan-2-one (I) to afford poly(ethylene glycol) III was reinvestigated. The reaction appeared to involve a nucleophilic attack against the carbonyl and methylene groups of I to afford poly(carbonate) II with poly(ethylene glycol) linkages and ethylene