Alternating copolymerization of carbon dioxide and epoxide by dinuclear zinc Schiff base complex

The successful alternating copolymerization of carbon dioxide and cyclohexene oxide was achieved by using a dinuclear zinc Schiff base complex, without forming cyclic carbonate. A remarkable effect of Lewis basic additives on the yield and selectivity of the product was demonstrated. Among the exami...

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Bibliographic Details
Published inReactive & functional polymers Vol. 67; no. 11; pp. 1277 - 1283
Main Authors Sugimoto, Hiroshi, Ogawa, Ayaka
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.11.2007
Elsevier Science
Subjects
Alternating copolymerization
Applied sciences
Carbon dioxide
Copolymerization
Epoxide
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polycarbonate
Preparation, kinetics, thermodynamics, mechanism and catalysts
Zinc complex
Alternating copolymerization
Polycarbonate
Carbon dioxide
Epoxide
Zinc complex
Solvent effect
Solution copolymerization
Complex catalyst
Experimental study
Complex catalyst copolymerization
Schiff base
Dinuclear complex
Lewis base
Catalyst activity
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Summary:The successful alternating copolymerization of carbon dioxide and cyclohexene oxide was achieved by using a dinuclear zinc Schiff base complex, without forming cyclic carbonate. A remarkable effect of Lewis basic additives on the yield and selectivity of the product was demonstrated. Among the examined Lewis bases, 1,4-dioxane was the best additive, where the copolymerization with the dinuclear zinc Schiff base complex – 1,4-dioxane system produced selectively the perfectly alternating copolymer in high yield.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1381-5148
DOI:10.1016/j.reactfunctpolym.2007.07.008