Citation:
GUO Jin-Tang, WANG Xin-Ying, YANG Jun-Hong, XU Yong-Shen, SUN Jing-Wu. Synthesis and Characterization of Glycidol ether-CO2 Copolymers[J]. Chinese Journal of Applied Chemistry,
;2002, 19(3): 234-238.
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Some glycidol ether monomer(GE) were prepared by reacting epichlorohydrin(ECH) with phenol and/or alcohol; T-allyl glycidol ether, U-chloroethyl glycidol ether, benzene glycidol ether, m-tolyl glycidol ether, benzyl glycidol ether. And aliphatic polycarbonates were synthesized by copolymerization of CO2 with GE catalyzed by coordination catalyst composed of Y phosphonate and triisobutylaluminum[Y(P204)3-Al(i-Bu)3]. The copolymers were characterized by IR, 1H NMR, 13C NMR, WXRD, TG and dynamic mechanical analysis. The results showed that Y(P204)3-Al(i-Bu)32 with GE and the preferred amount of catalyst was 2.7×10-2~5.0×10-2mol/L. The thermal analysis revealed the thermal resistance of the copolymers prepared by CO2 and GE with benzene ring was higher than that of the copolymer prepared by CO2 and ECH. The glass transition temperature of the m-tolyl glycidol ether-CO2 copolymer was 26.6℃.
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Keywords:
- CO2,
- glycidol ether,
- copolymerization,
- thermal property
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