Effect of shape and surface chemistry of TiO2 colloidal nanocrystals on the organic vapor absorption capacity of TiO2/PMMA composite

被引：20

作者：

Convertino, Annalisa ^{[1
]}

Leo, Gabriella ^{[1
]}

Striccoli, Marinella ^{[2
]}

Di Marco, Gaetano ^{[3
]}

Curri, M. Lucia ^{[2
]}

机构：

[1] CNR, Ist Studio Mat Nanostrutturati, Dipartimento Progettaz Mol, I-00016 Monterotondo, Roma, Italy

[2] CNR, Ist Proc Chim & Fis, Bari Div, Dipartimento Mat & Disposit, I-70126 Bari, Italy

[3] CNR, Ist Proc Chim & Fis, Messina Div, Dipartimento Mat & Disposit, I-98158 Messina, Italy

来源：

POLYMER | 2008年 / 49卷 / 25期

关键词：

Poly(methyl metacrylate) (PMMA) nanocomposite; Swelling; Polymer-inorganic nanofiller interface;

D O I：

10.1016/j.polymer.2008.09.069

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The organic vapor absorption capacity of poly(methyl metacrylate) (PMMA), filled with oleic acid (OLEA) capped TiO2 nanocrystals (NCs) with curved shape, rod-like and spherical, is studied. The NC shape combined with the nature of the capping molecules can be used to enhance or reduce the PMMA ability to absorb different solvent molecules in a controlled way. Indeed, the arrangement of the ligands at the NC surface demonstrates an effective tool to control the extent of the interaction between the penetrating molecules and the embedded NCs from the outer to the inner specific chemical functionality of the coordinating ligand molecules. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：5526 / 5532

页数：7

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