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Phase separation during crosslinking of epoxy resin/poly(ethylene oxide) blends

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Summary

Poly(ethylene oxide) (PEO) was found to be miscible with uncured epoxy resin of DGEBA type (ER) as shown by the existence of a single glass transition temperature (Tg) in each blend. However, PEO with ¯Mn = 20,000 was judged to be immiscible with the highly aminecross linked ER. It was observed that the phase separation in the ER/PEO blends occurred as the crosslinking progressed. This is considered to be due to the dramatical change in the chemical and physical nature of ER during the crosslinking.

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Authors and Affiliations

  1. Changchun Institute of Applied Chemistry, Academia Sinica, 130022, Changchun, People's Republic of China

    Guo Qipeng & Peng Xinsheng

  2. Jilin Institute of Technology, 130022, Changchun, People's Republic of China

    Wang Zhiji

Authors
  1. Guo Qipeng
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  2. Peng Xinsheng
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  3. Wang Zhiji
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Qipeng, G., Xinsheng, P. & Zhiji, W. Phase separation during crosslinking of epoxy resin/poly(ethylene oxide) blends. Polymer Bulletin 21, 593–598 (1989). https://doi.org/10.1007/BF00264140

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  • DOI: https://doi.org/10.1007/BF00264140

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