This paper has shown that the melt polycondensation of LA can be achieved efficiently under microwave irradiation and the reaction time can be shortened considerably compared with conventional heating. The polycondensation was successfully conducted with SnCl2 activated by TSA. At the optimal amount of catalysts, namely 0.45 wt% SnCl2 and equal mol ratio of TSA, PLLA with theMv of 5.08×104 g/mol was obtained at 528 W for 40 min.
机构:
Harbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
Harbin Inst Technol, Sch Municipal & Environm Engn, Res Ctr Green Chem & Technol, Harbin 150090, Peoples R ChinaHarbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
Cao, Hai Lei
Wang, Peng
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Harbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
Harbin Inst Technol, Sch Municipal & Environm Engn, Res Ctr Green Chem & Technol, Harbin 150090, Peoples R ChinaHarbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
Wang, Peng
Yuan, Wei Bo
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机构:
Harbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
Harbin Inst Technol, Sch Municipal & Environm Engn, Res Ctr Green Chem & Technol, Harbin 150090, Peoples R ChinaHarbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China