Morphology Evolution during the Phase Separation of Polyetherimide/Epoxy Blends | Zendy

Gan Wenjun | Zendy; Yu Yingfeng | Zendy; Wang Minghai | Zendy; Tao Qingsheng | Zendy; Li Shanjun | Zendy

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Morphology Evolution during the Phase Separation of Polyetherimide/Epoxy Blends

Author(s) -

Gan Wenjun,

Yu Yingfeng,

Wang Minghai,

Tao Qingsheng,

Li Shanjun

Publication year - 2003

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200300017

Subject(s) - polyetherimide , epoxy , materials science , relaxation (psychology) , phase (matter) , morphology (biology) , scattering , activation energy , polymer chemistry , analytical chemistry (journal) , composite material , polymer , chemistry , optics , organic chemistry , physics , biology , genetics , psychology , social psychology

The results of time‐resolved light scattering for the phase separation of epoxy/polyetherimide/anhydride blends show that the evolution of scattering vector q m follows a Maxwell‐type relaxation equation. The relaxation time may be suggested as the time taken for the diffusion of the epoxy‐anhydride n ‐mers from the PEI‐rich phase by their relaxation movement, and the apparent activation energy of the relaxation movement is obtained.Values of q m versus time at different temperatures.

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