Internal architecture of zwitterionic polymer brushes regulates nonfouling properties

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Title:	Internal architecture of zwitterionic polymer brushes regulates nonfouling properties
Authors:	黃俊仁;Huang, Chun-Jen;Li, Yuting;Krause, Jordan B.;Brault, Norman D.;Jiang, Shaoyi
Contributors:	工學院化學工程與材料工程學系
Keywords:	Acrylamide;Acrylamides - chemical synthesis;Acrylamides - chemistry;Applied sciences;Brushes;Complex media;Exact sciences and technology;Film thickness;Membranes, Artificial;nonfouling;Organic polymers;Packing;Packing density;PCB;photopolymerization;Physicochemistry of polymers;Polychlorinated biphenyls;Polymers;Polymers - chemical synthesis;Polymers - chemistry;Polymers with particular structures;Preparation, kinetics, thermodynamics, mechanism and catalysts;structure-property relations;surface packing;Swelling ratio;Ultraviolet radiation;Ultraviolet Rays
Date:	2012-06-14
Issue Date:	2026-04-21 13:57:22 (UTC+8)
Publisher:	Wiley-VCH Verlag;Weinheim: WILEY-VCH Verlag
Abstract:	摘要： In this work, we study how film thickness and chain packing density affect the protein‐resistant properties of polymer brushes in complex media. Polymer brushes based on dual‐functional poly(carboxybetaine acrylamide) (pCB) were prepared via surface‐initiated photoiniferter‐mediated polymerization. By adjusting UV radiation time and solvent polarity, pCB films with different thicknesses can be achieved and characterized using an ellipsometer. The packing density of pCB polymer chains is directly related to the swelling ratio of swollen to collapsed film thicknesses. Results showed that the dry film thickness alone, used often in the literature, is not sufficient to correlate with nonfouling properties and the chain packing density must be considered for the design of nonfouling surface coatings. The effects of film thickness and chain packing density on protein‐resistant properties of poly(carboxybetaine acrylamide)‐based polymer brushes in complex media were investigated. Through adjusting polymerization time and solvent polarity, we found that the internal architecture plays an important role in the nonfouling properties of surface coatings in addition to the dry film thickness. 其他題名： Macromol. Rapid Commun 出版者： Weinheim: WILEY-VCH Verlag 出版日期： 2012-06-14 出處： Macromolecular rapid communications., 2012-06, Vol.33 (11), p.1003-1007 資源來源： Wiley Online Library 版權： Copyright © 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim 版權： 2015 INIST-CNRS 版權： Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. 版權： Copyright Wiley Subscription Services, Inc. Jun 2012 識別號： ISSN: 1022-1336 識別號： ISSN: 1521-3927 識別號： EISSN: 1521-3927 識別號： DOI: 10.1002/marc.201100858 識別號： PMID: 22323316
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