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Citation: XIONG Sheng-Dong, WANG Ying-Xi, HUANG Li-Jun, ZHANG Ling-Fei, YI Chang-Feng, XU Zu-Shun. Synthesis of Amphiphilic Graft Fluoro-Copolymers and Their Crystallization Behaviors[J]. Chinese Journal of Applied Chemistry, ;2010, 27(3): 290-294. doi: 10.3724/SP.J.1095.2010.90258 shu

Synthesis of Amphiphilic Graft Fluoro-Copolymers and Their Crystallization Behaviors

a. College of Materials Science and Engineering, Hubei University, Wuhan 430062;
b. Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062

Received Date: 9 April 2009
Revised Date: 13 August 2009

A series of amphiphilic graft copolymers P(SPEG)-g-P(HFMA) comprising poly(hexafluorobutyl methacrylate)(PHFMA) backbones and poly(ethylene glycol)(PEG) side chains was synthesized via a macromonomer method.The resultant macromonomer and amphiphilic graft copolymers were characterized by ¹H NMR and GPC spectroscopy.The crystallization of P(SPEG)-g-P(HFMA) was studied by differential scanning calorimetry(DSC),X-ray diffraction(XRD) and polarized optical microscopy(POM).DSC and XRD measurements indicated that the crystallizing temperature(T_c) and crystallinity(X_c) of the copolymer all decreased with the increase of HFMA content in the graft copolymer.The melting temperature(T_m) of the amphiphilic graft copolymer first decreased appropriately and then increased with the increase of HFMA content in the graft copolymer.POM micrographs showed that the crystal rate of the graft copolymer decreased and the PEG phase had a decreasing tendency for spherical crystallization and less clear spherical structure as the HFMA content in the graft copolymer increased.When the HFMA content in the graft copolymer was 57%,no clear crystalline was found.
- fluoropolymers,
- poly(ethylene glycol)(PEG),
- amphiphilic graft copolymer,
- crystallization
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Synthesis of Amphiphilic Graft Fluoro-Copolymers and Their Crystallization Behaviors

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com