Molecular weight kinetics and chain scission models for dextran polymers during ultrasonic degradation
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- 作者：Yuanyuan Pu<sup>asup><sup> ; sup><sup>bsup><sup> ; sup><sup>yuanyuan.pu@ucdconnect.ie" class="auth_mail" title="E-mail the corresponding authorsup> ; Qingsong Zou<sup>asup><sup> ; sup><sup>bsup><sup> ; sup><sup>Qingsong.Zou@ul.ie" class="auth_mail" title="E-mail the corresponding authorsup> ; Dianzhi Hou<sup>asup><sup> ; sup><sup>bsup><sup> ; sup><sup>xiaozhihou90@126.com" class="auth_mail" title="E-mail the corresponding authorsup> ; Yiping Zhang<sup>asup><sup> ; sup><sup>bsup><sup> ; sup><sup>feyzhang1989@mail.scut.edu.cn" class="auth_mail" title="E-mail the corresponding authorsup> ; Shan Chen<sup>asup><sup> ; sup><sup>chenshan@gxu.edu.cn" class="auth_mail" title="E-mail the corresponding authorsup>
- 关键词：IMW ; initial molecular weights ; Mw ; weight-average molecular weight ; D value ; polydispersity index ; HPGPC ; High Performance Gel Permeation Chromatography
- 刊名：Carbohydrate Polymers
- 出版年：2017
- 出版时间：20 January 2017
- 年：2017
- 卷：156
- 期：Complete
- 页码：71-76
- 全文大小：1223 K
文摘
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Ultrasonic degradation leads to a more homologous dextran solution with lower Mw.
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Malhotra model describes the molecular weight kinetics of all dextrans adequately.
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Chain scission mechanism of dextran follows the midpoint scission model (R<sup>2sup> > 0.99).
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