Macromolecular engineering of polylactones and polylactides. 11. Synthesis and use of alkylaluminium dialkoxides and dithiolates as promoters of hydroxy telechelic poly(epsilon-capprolactone) and alph,omega-dihydroxy triblock copolymers containing outer polyester blocks

Dubois, Philippe; Degée, Philippe; Jérôme, Robert; Teeyssié, Philippe

doi:10.1021/ma00063a015

Article (Scientific journals)

Macromolecular engineering of polylactones and polylactides. 11. Synthesis and use of alkylaluminium dialkoxides and dithiolates as promoters of hydroxy telechelic poly(epsilon-capprolactone) and alph,omega-dihydroxy triblock copolymers containing outer polyester blocks

Dubois, Philippe; Degée, Philippe; Jérôme, Robert et al.

1993 • In Macromolecules, 26 (11), p. 2730-2735

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/15993

DOI
10.1021/ma00063a015

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Keywords :

ring-opening polymerization (ROP); lactone; block copolymer

Abstract :

[en] Diethylaluminum dialkoxides (Et2AlOXOAlEt2, where X is either an aliphatic radical or a polymer chain) and related dithiolates have been investigated as potential initiators for the ring-opening polymerization of ε-caprolactone. Hydroxy telechelic poly(ε-caprolactone) and alpha,omega-dihydroxypoly(ε-caprolactone-b-X-b-ε-caprolactone) have been accordingly prepared and characterized. A hydroxy group is selectively attached at both ends as demonstrated by IR and H-1 NMR spectroscopies and confirmed by titration of the derivatized alpha,omega-dicarboxylic acid (co)polymers. Polymerization of epsilon-caprolactone is living and yields linear polyester chains of a predictable molecular weight and of quite a narrow molecular weight distribution.

Research Center/Unit :

Center for Education and Research on Macromolecules (CERM)

Disciplines :

Materials science & engineering
Chemistry

Author, co-author :

Dubois, Philippe; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Degée, Philippe; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Jérôme, Robert ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Teeyssié, Philippe; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Language :

English

Title :

Publication date :

24 May 1993

Journal title :

Macromolecules

ISSN :

0024-9297

eISSN :

1520-5835

Publisher :

American Chemical Society, Washington, United States - District of Columbia

Volume :

Issue :

Pages :

2730-2735

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://pubs.acs.org/doi/pdf/10.1021/ma00063a015

Funders :

BELSPO - Politique scientifique fédérale
IRSIA - Institut pour l'Encouragement de la Recherche Scientifique dans l'Industrie et l'Agriculture

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