Modeling the melt transesterification of polycarbonate

淡江大學機構典藏 > 理學院 > 數學學系暨研究所 > 期刊論文 > Item 987654321/41267

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题名:	Modeling the melt transesterification of polycarbonate
作者:	Hsu, Jyh-ping;Wong, Jinn-jong;曾琇瑱;Tseng, Shiojenn
贡献者:	淡江大學數學學系
关键词:	esterification;gel permeation chromatography (GPC);modeling;NMR;polycarbonates
日期:	2008-04-01
上传时间:	2010-08-10 10:00:06 (UTC+8)
出版者:	Wiley-Blackwell
摘要:	A mathematical model of the melt transesterification of polycarbonate in a mechanically agitated reactor system without a distillation column is proposed. Penetration theory is applied to the mass-transfer operation of volatile components in both a transesterification reactor and a polymerization reactor by simplification of the flow pattern. The applicability of the proposed model is examined by the comparison of its predictions with experimental data of the collected condensate of volatile components, the end-group ratio, and the weight fraction distribution of the resulting polymer. The end-group ratios have been determined by carbon-13 nuclear magnetic resonance spectroscopy, and the distribution of weight fractions has been measured by gel permeation chromatography. It is shown that the model's predictions are very consistent with the experimental data.
關聯:	Journal of Applied Polymer Science 108(2), pp.694-704
DOI:	10.1002/app.27419
显示于类别:	[數學學系暨研究所] 期刊論文

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