One-step facile synthesis of monodisperse raspberry-like P(S–MPS–AA) colloidal particles
One-step facile synthesis of monodisperse raspberry-like P(S–MPS–AA) colloidal particles
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DOI：
10.1039/c3py21155j
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发表时间：
2013-04
影响因子：
4.6
通讯作者：
Yangyi Sun;Yuyong Yin;Min Chen;Shuxue Zhou;Limin Wu
中科院分区：
文献类型：
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作者：
Yangyi Sun;Yuyong Yin;Min Chen;Shuxue Zhou;Limin Wu
以苯乙烯（S）、丙烯酸（AA）和甲基丙烯酸3-（三甲氧基硅基）丙酯（MPS）为原料，采用无皂乳液聚合法一步合成了单分散的树莓状聚合物胶粒。在该方法中，当S、AA和MPS与水混合并在一定温度下搅拌时，可以以可靠的方式获得形状和尺寸均匀的树莓状P（S-MPS-AA）胶体颗粒。核颗粒和核表面较小的电晕颗粒都是原位形成的。提出了一种基于核表面富集MPS链段诱导的二次成核的形成机制。
This paper presents a one-step procedure for the facile synthesis of monodisperse raspberry-like polymer colloidal particles by soap-free emulsion polymerization of styrene (S), acrylic acid (AA), and 3-(trimethoxysilyl)propyl methacrylate (MPS). In this method, when S, AA, and MPS are mixed with water and stirred at a certain temperature, raspberry-like P(S–MPS–AA) colloidal particles with uniform shapes and sizes could be obtained in a reliable manner. Both the core particles and the smaller corona particles of core surfaces were formed in situ. A mechanism of formation based on the second nucleation induced by MPS-enriched segments on the core surfaces is proposed.