南京大学学报(自然科学版) ›› 2014, Vol. 50 ›› Issue (1): 54.
黄玉安1,秦安川1,杭祖圣1,张可强1,谭学峰1,朱家柱2,唐 涛2,黄润生2*
Huang Yuan1,Qing Anchuan1,Hang Zusheng1,Zhang Keqiang1,Tan Xuefeng1,Zhu Jiazhu2, Tang Tao2,Huang Runsheng2
摘要: 以分散聚合法制备的单分散三聚氰胺甲醛树脂(Melamine Formaldehyde, MF)微球为母球,经敏化、活化、化学镀等过程制备了包覆金属镍和银的单分散微球。研究发现,碱性镀镍在镀层厚度及完整性、微球的球形度及单分散性方面优于酸性镀镍;FT-IR分析结果表明金属离子可与MF结构中三嗪环中氮原子发生配位作用而形成化学键,这有利于提高金属镀层与MF母球的结合强度。热分析结果(DTA与TG)显示母球及镀镍/银微球的分解峰温分别为420℃、400℃和382℃,这说明微球热稳定性良好。
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