Co-crystallization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1992 English Publisher:Springer Science and Business Media LLCJournal:Journal of Materials Science, volume 27, pages 5,335-5,338 (issn: 0022-2461, eissn: 1573-4803,

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Authors: M. Sánchez Cuesta; J. Martínez-Salazar; P. A. Barker; P. J. Barham;

doi: 10.1007/bf00553415 , 10.1007/bf02403840

Co-crystallization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)

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Abstract

A combined study of X-ray diffraction, differential scanning calorimetry and density measurements in copolymers of 3-hydroxybutyrate and 3-hydroxyvalerate is presented. It is shown that the unit cell volume expands linearly with the comonomer content in the polymer. The reduction in the enthalpy of fusion is interpreted in terms of limited co-crystallization of the two monomers. The amount of 3-hydroxyvalerate in the crystals has been estimated to be approximately equal to two-thirds of the total content in the copolymer.

Related Organizations

University of Bristol
United Kingdom
Spanish National Research Council
Spain
Institute for the Structure of Matter
Spain

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