Development of aqueous size exclusion chromatography conditions to characterize polyzwitterion-block-N-isopropyl acrylamide copolymers

Phillip D Pickett,Sara V Orski,Vivek M Prabhu

Journal of Chromatography A（2020）

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摘要

•Size exclusion chromatography of poly(zwitterion-block-N-isopropyl acrylamide).•Successful characterization of molar mass and molar mass distribution.•0.2 M KI in water: Agilent PolarGel columns.•0.2 M KI/ 30% DMF in water: Agilent PolarGel and Tosoh TSKgel columns.•Eluents circumvent typical issues of characterizing zwitterionic copolymers.

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关键词

Aqueous size exclusion chromatography,Poly(NIPAM),Poly(sulfobetaine),Zwitterionic block copolymers,UCST,LCST

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