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Functionalized poly(ε‐caprolactone) and copolymers with ethylene oxide through heterogeneous anionic coordinated polymerization. NMR characterization and crystallinity
Author(s) -
Jacquier Véronique,
Miola Christelle,
Llauro MarieFrance,
Monnet Christiane,
Hamaide Thierry
Publication year - 1996
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.1996.021970411
Subject(s) - caprolactone , comonomer , polymer chemistry , ethylene oxide , crystallinity , copolymer , diad , polymerization , materials science , polymer , crystallization , chemistry , organic chemistry , composite material
Functionalized poly(ε‐caprolactone)s have been easily prepared by using a new heterogeneous catalytic system consisting of aluminium alcoholate supported on porous silica and the corresponding alcohol in excess. The polymers have been fully characterized by 1 H and 13 C NMR spectroscopy. Oligo(caprolactone‐ co ‐ethylene oxide)s have been synthesized by the same catalytic system. The diad comonomer distribution as obtained by 1 H NMR suggests a blocky structure. In addition, low degrees of crystallization have been determined by means of DSC.