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刘立建
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期刊论文
Microwave-Assisted Ring-Opening Polymerization of ∈-Caprolactone
Journal of Polymer Science: Part A: Polymer Chemistry, Vol. 40, 1749-1755 (2002)，-0001，（）：
Ring-opening polymerization of ∈-caprolactone was carried out smoothly and effectively with constant microwave powers of 170, 340, 510, and 680 W, respectively, with a microwave oven at a frequency of 2.45GHz. The temperature of the polymerization ranged from 80 to 210℃. Poly (∈-caprolactone) (PCL) with a weightaverage molar mass (Mw) of 124,000g/mol and yield of 90% was obtained at 680W for 30min using 0.1%(mol/mol) stannous octanoate as a catalyst. When the polymerization was catalyzed by 1% (w/w) zinc powder, the Mw of PCL was 92,300g/mol after the reaction mixture was irradiated at 680W for 270min.
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