文献类型：专利

英文题名：Composite antibacterial material used for e.g. resisting bacteria in plant diseases, antibacterial food fresh-keeping material, and antibacterial daily necessities comprises metal silver ion and chitosan oligosaccharide nanoparticles

作者：ZHANG L;LIU X;ZHANG W;XIA W;XU Z

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN106804624-A

申请日：2017-01-15

公开日：2017-06-09

语种：英文

收录：DERWENT

摘要：NOVELTY - A composite antibacterial material comprises 5-30 wt.% metal silver ion and balance chitosan oligosaccharide nanoparticles, where grain diameter is 20-300 nm. USE - Composite antibacterial material used for resisting bacteria in plant diseases and antibacterial food fresh-keeping material, antibacterial daily necessities, and antibacterial material additive (claimed). ADVANTAGE - The composite antibacterial material has strong antibacterial performance, wide application range, and strong stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of composite antibacterial material comprising adding chitosan oligosaccharide powder in diluted acetic acid solution, room temperature to obtain 2-5% chitosan oligosaccharide solution, reacting for 2-4 hours, adding solid silver salt, continuously reacting for 2-4 hours, vigorously stirring, slowly adding 2 times alcoholic surfactant mixed solution, precipitating, centrifugal separating, washing, and freeze-drying.