标题:Frontal photopolymerization synthesis of multilayer hydrogels with high mechanical strength
作者:Qin, X.;Zhao, F.;Liu, Y.;Feng, S.
作者机构:[Qin, X] Key Laboratory of Special Functional Aggregated Materials, Shandong University, Ministry of Education, Jinan 250100, China;[ Zhao, F] Key Lab 更多
通讯作者:Feng, S
通讯作者地址:[Feng, SY]Shandong Univ, Key Lab Special Funct Aggregated Mat, Minist Educ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China.
来源:European Polymer Journal
出版年:2011
卷:47
期:10
页码:1903-1911
DOI:10.1016/j.eurpolymj.2011.07.001
关键词:Hydrogels;Mechanical properties;Microgels;Nanocomposites;Photopolymerization
摘要:Multilayer hydrogels were prepared by frontal photopolymerization of acrylamide and 2-acrylamido-2-methylpropane sulfonic acid using hydrophilic reactive microgels (HRM) as crosslinkers instead of conventional crosslinkers. The hydrophilic microgels (HM) were prepared by inverse emulsion photopolymerization and then were chemical modified by N-methylolacrylamide (NMA) to obtain HRM with CC double bonds. The HM and HRM was characterized by dynamic light scattering measurements, SEM, TEM and FTIR, respectively. It was found that the resulting multilayer hydrogels showed high fracture strength and high tensile elongation along parallel direction. However their fracture strength and tensile elongation along perpendicular direction was very weak. The swollen multilayer hydrogels were about 1.0-2.0 mm in thickness, the maximal equilibrium swelling degree was only 30.45. The multilayer hydrogels were characterized by DSC, TEM and XRD, respectively. The swelling property and mechanical strength of some typical multilayer hydrogels were studied.
收录类别:EI;SCOPUS;SCIE
WOS核心被引频次:3
Scopus被引频次:3
资源类型:期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-80052945549&doi=10.1016%2fj.eurpolymj.2011.07.001&partnerID=40&md5=0c3ccd99100bef80ebf85365f2113787
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