Size Control of Polymer Nanoparticles Using 3D Network Structure as a Reaction Field
Size Control of Polymer Nanoparticles Using 3D Network Structure as a Reaction Field
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DOI：
10.4164/sptj.58.481
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发表时间：
2021-09
影响因子：
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通讯作者：
S. Ouchi;N. Yamada;Tetsuya Yamamoto
中科院分区：
文献类型：
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作者：
S. Ouchi;N. Yamada;Tetsuya Yamamoto
聚合物纳米粒子应用于各个领域，其需求量不断增加。然而，用于合成这些材料的乳液聚合方法通常使用大量的表面活性剂，这已成为环境负担问题。另一方面，无皂乳液聚合法不需要表面活性剂，但聚合物核通过反复团聚而长大形成颗粒，因此很难获得纳米颗粒。在这项研究中，我们利用具有3D网络结构的三聚氰胺泡沫作为反应器，成功合成了聚苯乙烯纳米颗粒，以防止颗粒聚集生长。此外，颗粒尺寸可以通过三聚氰胺泡沫中的筛孔尺寸来控制。
Polymer nanoparticles are used in a variety of fields and their demand is increasing. However, the emulsion polymerization method for synthesis of these materials commonly uses a large amount of surfactant, which has become an environmental burden problem. On the other hand, the surfactant was not needed in the soap-free emulsion polymerization method, but the polymer nuclei grow by repeated agglomeration to form particle, so it is hard to obtain nanoparticles. In this study, we succeeded in synthesis of polystyrene nanoparticles by using a melamine foam with a 3D network structure as a reactor to prevent the particle aggregation from growing. Furthermore, the particle size can be controlled by the mesh size in melamine foam.