Effect of Hydrophobic Side Group on Structural Heterogeneities and Mechanical Performance of Gelatin-Based Hydrogen-Bonded HydrogelZhang, Hui Jie; Wang, Xinyi; Yang, Yuxi; Sun, Tao Lin; Zhang, Aokai; You, Xiangyu*Science Citation Index Expanded陕西科技大学摘要-关键词DOUBLE-NETWORK HYDROGELS TOUGH STRENGTH STRAIN STIFF