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Your search keyword '"Shan, Yi"' showing total 6 results
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6 results on '"Shan, Yi"'

1. Synthesis and characterization of poly(methyl methacrylate-co-polyhedral oligomeric silsesquioxane) hybrid nanocomposites

Author

Shan Yi Guang, Hongyao Xu, Cun Li, and Ben Hong Yang

Subjects
Nanocomposite, Materials science, Radical polymerization, General Chemistry, Poly(methyl methacrylate), Silsesquioxane, Characterization (materials science), chemistry.chemical_compound, chemistry, visual_art, Polymer chemistry, Proton NMR, visual_art.visual_art_medium, Thermal stability, Methyl methacrylate
Abstract

A novel poly(methyl methacrylate- co -polyhedral oligomeric silsesquioxane) hybrid nanocomposite was synthesized by free radical polymerization and characterized by 1 H NMR, 29 Si NMR, and TGA technologies. Compared with PMMA homopolymer, the nanocomposite has better thermal stability.

Published
2007

4. Preparation and near-infrared optical limiting property of fluorene-containing functional polyacetylene

Author

Shan Yi Guang, Naibo Lin, Yan Feng, and Hongyao Xu

Subjects
chemistry.chemical_classification, chemistry.chemical_compound, Polyacetylene, Monomer, chemistry, Yield (chemistry), General Chemistry, Polymer, Fluorene, Fourier transform infrared spectroscopy, Absorption (chemistry), Photochemistry, Two-photon absorption
Abstract

A novel functional polyacetylene containing fluorene group as a pendant, poly(2-(p-methylstyrene)-7-acetylene-9,9-dioctylfluorene), was synthesized in moderate yield by [Rh(nbd)Cl]2-Et3N catalyst. The structures and properties of monomer and polymer were characterized and evaluated with FTIR, NMR, UV–vis, GPC and Z-scan, respectively. The results show that the incorporation of fluorene into polyacetylene has endowed the resultant polymer with well optical limiting properties for laser at wavelength 780 nm based on two-photon absorption mechanism.

Published
2011

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