Modified gelatin with quaternary ammonium salts containing epoxide groups》.pdfVIP

Chinese Chemical Letters 25 (2014) 1193–1197 Contents lists available at ScienceDirect Chinese Chemical Letters jo u rn al h om epag e: ww w.els evier.c o m/lo cat e/cc let Original article Modified gelatin with quaternary ammonium salts containing epoxide groups Ya-Ming Liu a, Xiao Cui a, Chuan-Ming Hao a, Fu-Rong Tao a, Jun-Ying Li a,b,* a Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Ji’nan 250353, China b School of Marine Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China A R T I C L E I N F O A B S T R A C T Article history: An EPDDMAC-GE polymer (hydrophilic molecule) has been synthesized based on epoxypropyl dodecyl Received 17 December 2013 dimethyl ammonium chloride (EPDDMAC) and gelatin. A DEEPSAC-GE polymer (hydrophobic molecule) Received in revised form 6 January 2014 has been synthesized based on diethyl-2,3-epoxypropyl-[3-methyldimethoxyl] silpropyl ammonium Accepted 13 February 2014 chloride (DEEPSAC) and gelatin. Compared with initial gelatin, the gelatin modified with quaternary Available online 2 March 2014 ammonium salts containing epoxide groups exhibits stronger antibacterial activity. 2014 Jun-Ying Li. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved. Keywords: Quaternary ammonium salts Epoxide group Gelatin Modified 1. Introduction indicated that