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Thermoreversible gel formation in poly(ethylene terephthalate)/epoxy resin solutions

Gending Ji

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Gi Xue,

Corresponding Author

Gi Xue

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of ChinaSearch for more papers by this author

Xining Zhang,

Xining Zhang

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Bo Liu,

Bo Liu

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Dongshan Zhou,

Dongshan Zhou

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Xinhong Gu,

Xinhong Gu

Department of Chemistry, Syracuse University, Syracuse, New York 13244, USA

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Gending Ji,

Gending Ji

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Gi Xue,

Corresponding Author

Gi Xue

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of ChinaSearch for more papers by this author

Xining Zhang,

Xining Zhang

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Bo Liu,

Bo Liu

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Dongshan Zhou,

Dongshan Zhou

Department of Polymer Science & Engineering, The Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P.R. of China

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Xinhong Gu,

Xinhong Gu

Department of Chemistry, Syracuse University, Syracuse, New York 13244, USA

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First published: July 1996

https://doi.org/10.1002/macp.1996.021970706

Citations: 3

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Abstract

The thermoreversible gelation of solutions of poly(ethylene terephthalate) (PET) in liquid diglycidyl ether of bisphenol-A epoxy resin has been investigated. The critical polymer concentration for gel formation is 10 wt.-%. The solutions were found to solidify rapidly into gels on cooling. Polarized light microscopy (PLM) and small-angle light scattering (SALS) studies showed that these gels contain many large, regular PET spherulites. The gels in this system may be formed according to two consecutive processes: first the liquid-liquid phase separation, and second the crystallization of PET in polymer-rich domains. Hence, gelation occurs by formation of a three-dimensional PET network in the epoxy solvent, where the nodes of the network are PET spherulites.

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Volume197, Issue7

July 1996

Pages 2149-2154

Thermoreversible gel formation in poly(ethylene terephthalate)/epoxy resin solutions

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Thermoreversible gel formation in poly(ethylene terephthalate)/epoxy resin solutions

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