Linear or cross linked aqueous polyurethane dispersions with carboxyl Ag salt were prepared. TEM photos show that Ag +......

纳米金属粒子有特异性质，可用作高效催化剂、非线性光学材料等，为防止其聚集，不少研究者采用表面活性剂、配位体和高分子等以阻止纳米......