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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 1H and 13C NMR spectroscopy. Oligo(caprolactone‐co‐ethylene oxide)s have been synthesized by the same catalytic system. The diad comonomer distribution as obtained by 1H NMR suggests a blocky structure. In addition, low degrees of crystallization have been determined by means of DSC.
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Jacquier et al. (1996) studied this question.
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