期刊
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
卷 42, 期 6, 页码 417-419出版社
SOC CHEMICAL ENG JAPAN
DOI: 10.1252/jcej.09we040
关键词
Microwave Irradiation; Noncatalysts; Polycondensation; Poly(Lactic Acid)
Noncatalytic polycondensation of L-lactic acid under microwave irradiation is compared with that under conventional heating. Under microwave irradiation, higher molecular weights of poly(L-lactic acid) can be obtained comparing with under conventional heating. Though the racemization of L-lactate was induced, it can be lowered at higher vacuum. As a result, higher molecular weight poly(L-lactic acid), comparing with conventional heating without increasing racemization, was synthesized with microwave irradiation.
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