Characterization of ultrahigh-molecular weight cationic polyacrylamide using frit-inlet asymmetrical flow field-flow fractionation and multi-angle light scattering

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Characterization of ultrahigh-molecular weight cationic polyacrylamide using frit-inlet asymmetrical flow field-flow fractionation and multi-angle light scattering

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作者：Sohee Woo^a ; Ju Yong Lee^a ; Woonjin Choi^b ; Myeong Hee Moon^a ; ^{mhmoon@yonsei.ac.kr" class="auth_mail" title="E-mail the corresponding author}
关键词：Cationic polyacrylamide ; C-PAM ; Branched ; Molecular weight determination ; Field-flow fractionation ; Multi-angle light scattering
刊名：Journal of Chromatography A
出版年：2016
出版时间：15 January 2016
年：2016
卷：1429
期：Complete
页码：304-310
全文大小：562 K

文摘

•: Ultrahigh MW (10⁷–10⁹) C-PAM copolymers are characterized by FlFFF-MALS.
•: MWD and conformation of C-PAMs upon polymerization methods and branching effect are examined.
•: Branching with emulsion polymerization significantly increases MW (∼4 × 10⁸) of C-PAMs
•: Branched C-PAM copolymers above 10⁸ g/mol elute in steric/hyperlayer mode of FlFFF.

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