Studies on Microwave-assisted Ring-opening Polymerization and Property of Poly(9-phenyl-2,4,8,10-tetraoxaspiro-[5,5]undcane-3-one)  

作　　者：Fan Liu Li-li Mei Zhi-lin Tan 鄢国平 Jun-fang Guo Qiao Zhang Hui Liu Jun Yang 

机构地区：[1]School of Material Science and Engineering,Wuhan Institute of Technology,Wuhan 430074,China

出　　处：《Chinese Journal of Polymer Science》2016年第11期1330-1338,共9页高分子科学（英文版）

基　　金：financially supported by the National Natural Science Foundation of China(Nos.51373128 and 51173140);Key National Research and Development Program(No.2016YFB1101302);Wuhan Science and Technology Innovation Team of Hi-tech Industrial Project,Hubei Province(No.2015070504020217);Wuhan Scientific and Technological Project(No.2013010501010131);University Students’ President Funded Project,Wuhan Institute of Technology(No.2015004);“E+” double-major program;Innovation Fund for post-graduate education(Nos.CX2014058 and CX2015007),Wuhan Institute of Technology,China

摘　　要：Poly（9-phenyl-2,4,8,10-tetraoxaspiro-[5,5]undcane-3-one） （PPTC） was synthesized by the microwave-assisted ring-opening polymerization （MROP） of a six-membered cyclic carbonate monomer 9-phenyl-2,4,8,10-tetraoxaspiro- [5,5]undcane-3-one （PTC） with tin（Ⅱ） 2-ethylhexanoate （Sn（Oct）2） or aluminum isopropoxide （Al（OiPr）3） as the catalysts. The obtained polycarbonates were further reduced by apalladium/carbonate catalyst （10% Pd/C） to afford partly deprotected polycarbonates containing hydroxyl groups （HPPTC）. These two types of polycarbonates were characterized by ^1H-NMR, Fourier transform infrared spectroscopy （FTIR）, UV, gel permeation chromatography （GPC）, differential scanning calorimetry （DSC）, and automatic contact-angle measurements. The influence of the feed molar ratio of monomer-to-catalyst, the microwave irradiation power and the reaction time on the polymerization was also studied. The experimental results showed that HPPTC possessed significantly higher hydrophilicity and water absorption rate than PPTC.Poly（9-phenyl-2,4,8,10-tetraoxaspiro-[5,5]undcane-3-one） （PPTC） was synthesized by the microwave-assisted ring-opening polymerization （MROP） of a six-membered cyclic carbonate monomer 9-phenyl-2,4,8,10-tetraoxaspiro- [5,5]undcane-3-one （PTC） with tin（Ⅱ） 2-ethylhexanoate （Sn（Oct）2） or aluminum isopropoxide （Al（OiPr）3） as the catalysts. The obtained polycarbonates were further reduced by apalladium/carbonate catalyst （10% Pd/C） to afford partly deprotected polycarbonates containing hydroxyl groups （HPPTC）. These two types of polycarbonates were characterized by ^1H-NMR, Fourier transform infrared spectroscopy （FTIR）, UV, gel permeation chromatography （GPC）, differential scanning calorimetry （DSC）, and automatic contact-angle measurements. The influence of the feed molar ratio of monomer-to-catalyst, the microwave irradiation power and the reaction time on the polymerization was also studied. The experimental results showed that HPPTC possessed significantly higher hydrophilicity and water absorption rate than PPTC.

关 键 词：Biodegradable polycarbonate Microwave-assisted polymerization Ring-opening polymerization Hydrophilicity. 

分 类 号：O633.14[理学—高分子化学] TN015[理学—化学]