A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Effect of doubly organo-modified vermiculite on the properties of vermiculite/polystyrene nanocomposites
Abstract Vermiculite (Verm)/polystyrene (PS) nanocomposites were prepared by dispersing a doubly organo-modified Verm (DOVerm) in PS via in situ polymerization (DOVerm/PS 1/99, 3/97, 5/95, and 7/93 mass/mass ratios). The morphology of Verm/PS nanocomposites evolved three stages as the content of DOVerm decreased in the nanocomposites: intercalation at high filler content, intermediate state of intercalation to exfoliation, and exfoliation of Verm in PS matrix with a low filler content. The morphological changes of Verm/PS nanocomposites were confirmed by the X-ray diffraction (XRD) patterns and the transmission electron microscopy (TEM) images. Compared with the pure PS, the nanocomposites filled with Verm showed significant enhancements on thermal stability and dynamic mechanical properties. Interestingly, the nanocomposites filled with 1 and 7 mass% of DOVerm exhibited more pronounced effects of Verm on the properties. It was proved that the double organo-modification clearly enhanced the ultimate properties of the Verm/PS nanocomposites.
Graphical abstract Display Omitted
Highlights We prepare Verm/PS nanocomposites via in situ polymerization. Intercalated, exfoliated and intergradated Verm/PS nanocomposites are obtained. The double organo-modification for Verm improves its compatibility with PS. The doubly organo-modified Verm significantly enhances the properties of PS.
Effect of doubly organo-modified vermiculite on the properties of vermiculite/polystyrene nanocomposites
Abstract Vermiculite (Verm)/polystyrene (PS) nanocomposites were prepared by dispersing a doubly organo-modified Verm (DOVerm) in PS via in situ polymerization (DOVerm/PS 1/99, 3/97, 5/95, and 7/93 mass/mass ratios). The morphology of Verm/PS nanocomposites evolved three stages as the content of DOVerm decreased in the nanocomposites: intercalation at high filler content, intermediate state of intercalation to exfoliation, and exfoliation of Verm in PS matrix with a low filler content. The morphological changes of Verm/PS nanocomposites were confirmed by the X-ray diffraction (XRD) patterns and the transmission electron microscopy (TEM) images. Compared with the pure PS, the nanocomposites filled with Verm showed significant enhancements on thermal stability and dynamic mechanical properties. Interestingly, the nanocomposites filled with 1 and 7 mass% of DOVerm exhibited more pronounced effects of Verm on the properties. It was proved that the double organo-modification clearly enhanced the ultimate properties of the Verm/PS nanocomposites.
Graphical abstract Display Omitted
Highlights We prepare Verm/PS nanocomposites via in situ polymerization. Intercalated, exfoliated and intergradated Verm/PS nanocomposites are obtained. The double organo-modification for Verm improves its compatibility with PS. The doubly organo-modified Verm significantly enhances the properties of PS.
Effect of doubly organo-modified vermiculite on the properties of vermiculite/polystyrene nanocomposites
Wang, Lan (author) / Wang, Xu (author) / Chen, Zhaoyang (author) / Ma, Pengcheng (author)
Applied Clay Science ; 75-76 ; 74-81
2013-03-07
8 pages
Article (Journal)
Electronic Resource
English
Preparation and properties of novel natural rubber/organo-vermiculite nanocomposites
| British Library Online Contents | 2009
Structure and thermal stability of organo-vermiculite
| Online Contents | 2016
Structure and thermal stability of organo-vermiculite
| Elsevier | 2016
Structure and thermal stability of organo-vermiculite
| Online Contents | 2016