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Super-anti-freezing,tough and adhesive titanium carbide and L-ornithine-enhanced hydrogels

生物质资源与工程(英文) 2023年第2期8卷 136-145页

作者： Zhangkang Li jamie leblanc Hitendra Kumar Hongguang Zhang Weijun Yang Xiao He Qingye Lu Jeffrey Van Humbeck Keekyoung Kim Jinguang Hu Department of Biomedical Engineering University of CalgaryCalgaryUniversity Drive NWCalgaryAB T2N 1N4Canada Department of Chemistry University of CalgaryUniversity Drive NWCalgary T2N 1N4AlbertaCanada Department of Mechanical and Manufacturing Engineering University of CalgaryUniversity Drive NWCalgary T2N 1N4AlbertaCanada Pathology and Laboratory Medicine Cumming School of EngineeringUniversity of CalgaryHospital Drive NWT2N 4N1AlbertaCanada Department of Chemical and Petroleum Engineering University of CalgaryUniversity Drive NWCalgary T2N 1N4AlbertaCanada Key Laboratory of Synthetic and Biological Colloids Ministry of EducationSchool of Chemical and Material EngineeringJiangnan UniversityWuxiJiangsu214122China

Hydrogels are highly porous three-dimensional crosslinked polymer networks consisting of hy-drophilic polymers,employed most practically in medicine and industry,often as *** hydrogels suffer limitations in their mechanical properties,such as tensile and com-pression,and freeze at sub-zero temperatures,which compromise their ability as useful *** this study,the incorporation of L-ornithine-based zwitterionic monomer(OZM),titanium carbide(MXene),and glycerol within polyacrylamide hydrogels was used to prepare a novel polyacrylamide/polyL-ornithine-based zwitterion/MXene(PAM/Porn/MXene)hydrogel to im-prove the mechanical,adhesion,and anti-freezing properties of pure polyacrylamide *** study also analyzed the mechanical strength(tensile and compression),adhesion,and anti-freezing properties of a novel PAM/Porn/MXene hydrogel at 1%,4%,and 10%MXene concen-trations to establish to what extent the conductive MXene material enhanced these properties and concluded that the tensile and compressive properties improved linearly with the increase in the concentrations of MXene,adhesion decreased with the increased MXene concentrations,and syn-ergistic interaction between MXene and OZM significantly improved the anti-freezing properties up to-80°C.

关键词： Super-anti-freezing Tough Adhesive L-ornithine MXene

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