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OALib Journal期刊
ISSN: 2333-9721
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单分散镀镍/银三聚氰胺甲醛树脂微球制备与表征
DOI: DOI:10.13232/j.cnki.jnju.2014.01.009
Keywords: 三聚氰胺甲醛树脂,单分散微球,金属银,金属镍,化学
Abstract:
以分散聚合法制备的单分散三聚氰胺甲醛树脂（melamineformaldehyde,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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