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Structure-property relations in multiblock copoly(ether-urea)s studied by SAXS, DSC and thermo-mechanical techniques

AuthorsMarcos-Fernández, Ángel CSIC ORCID CVN ; Ryan, A. J.; González Hernández, Luis
Issue Date2-May-1995
CitationNuclear Instruments and Methods in Physics Research Section B 97(1-4): 279-281 (1995)
AbstractThe morphology of four copoly(ether-urea)s was studied by using synchrotron radiation in order to relate the changes of morphology with temperature to the transitions in mechanical and thermal properties. Very different behaviour was found for copolyureas synthesised from aromatic isocyanates and from aliphatic isocyanates. Whilst the former retain the phase separated structure above the hard segment glass transition, the latter did not show evidence of phase separation above the hard segment transition and it did not reappear on cooling.
Description3 páginas, 4 figuras, 1 tabla.-- Trabajo presentado a la 1ª Conferencia Europea sobre Synchrotron Radiation in Materials Science celebrada en Chester (UK/1994).
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