High-Solids-Content Hybrid Acrylic/CeO2 Latexes with Encapsulated Morphology Assessed by 3D-TEM

被引：18
|
作者：
Aguirre, Miren [1 ,2 ]
Paulis, Maria [1 ,2 ]
Ramon Leiza, Jose [1 ,2 ]
Guraya, Teresa [3 ,4 ]
Iturrondobeitia, Maider [3 ,4 ]
Okariz, Ana [3 ,5 ]
Ibarretxe, Julen [3 ,5 ]
机构：
[1] Univ Basque Country UPV EHU, POLYMAT, Joxe Mari Korta Zentroa, Donostia San Sebastian 20018, Spain
[2] Univ Basque Country UPV EHU, Kimika Aplikatua Saila, Joxe Mari Korta Zentroa, Donostia San Sebastian 20018, Spain
[3] Univ Basque Country UPV EHU, EMERG, Bilbao 48013, Spain
[4] Univ Basque Country UPV EHU, Dept Min & Met Engn & Mat Sci, Bilbao 48013, Spain
[5] Univ Basque Country UPV EHU, Dept Appl Phys 1, Bilbao, Spain
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 19期
关键词：
acrylic latex; (mini)emulsion polymerization; encapsulation; nanoceria; TEM tomography; MINIEMULSION POLYMERIZATION; EMULSION POLYMERIZATION; INORGANIC PARTICLES; ELECTRON TOMOGRAPHY; VISUALIZATION;
D O I：
10.1002/macp.201300373
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Hybrid acrylic/CeO2 latexes with solids content as high as 50 wt% and CeO2 content up to 1 wt% are synthesized by a seeded semibatch emulsion polymerization process. TEM images show that CeO2 nanoparticles are randomly located within the polymer particles. The 2D trasmission electron microscopy (TEM) images are not conclusive to elucidate if CeO2 is encapsulated in the hybrid polymer particles. A TEM tomographic analysis is presented here to assess their morphology. The study shows that the latexes synthesized present an encapsulated morphology for CeO2 nanoparticles regardless of whether these are located at the center or borders of the polymer particles.
引用
收藏
页码：2157 / 2164
页数：8
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