Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan.
J Colloid Interface Sci. 2010 Dec 15;352(2):348-53. doi: 10.1016/j.jcis.2010.08.061. Epub 2010 Sep 16.
Silica/poly(methyl methacrylate) (PMMA) composite particles, in which silica particles are sparsely distributed in the surface of PMMA particles, were formed by static dispersion polymerization of methyl methacrylate (MMA) in aqueous dispersions of submicron silica particles. The silica-modified PMMA particles were constructed via Pickering emulsion-like silica/PMMA aggregation based on weak interaction between PMMA and silica. The morphology of the composite particles is governed by the adsorption/partition equilibrium of PMMA with the silica surface.
硅石/聚甲基丙烯酸甲酯（PMMA）复合颗粒是通过在亚微米硅石颗粒的水基分散体中静态分散聚合甲基丙烯酸甲酯（MMA）而形成的，其中硅石颗粒稀疏分布在 PMMA 颗粒的表面。基于 PMMA 与硅石之间的弱相互作用，通过 Pickering 乳液状硅石/PMMA 聚集作用构建了硅石改性 PMMA 颗粒。复合颗粒的形态由 PMMA 与硅石表面的吸附/分配平衡控制。
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