Microhardness of styrene/butadiene block copolymer systems: Influence of molecular architecture
作者： G. H. Michler , F. J. Baltá-Calleja , I. Puente , M. E. Cagiao , K. Knoll
DOI: 10.1002/APP.12837
关键词:
摘要: The influence of molecular architecture on the mechanical properties styrene/butadiene block copol- ymers was investigated by means microhardness technique. It found that sty- rene/butadiene copolymers is dictated nature microphase separated morphology. In contrast to poly- mer blends and random copolymers, in which micro- hardness generally follows additivity rule, behavior signifi- cantly deviate depending their architecture. glass-transition temperature polystyrene phase (Tg-PS), practically remained constant polybutadiene (Tg-PB), varied with change copolymer architecture, apparently do not in- fluence values copolymers. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 90: 1670 -1677,
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