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79. Labyrinthine pattern of polymer crystals from supercooled ultrathin films
We report the observation of a labyrinthine crystal pattern with a periodic structure in the crystal width direction in ultrathin films of poly(ethylene oxide) fractions with molecular weight ranging from 25,000 to 932,000 g/mol. The polymer thin films are crystallized at temperatures well below the bulk melting temperature, thus the system is characterized by limited diffusion of the po...
http://www.polymer.cnt//ss/wangwei/publicationsshow_3110.html |
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73. Synthesis of Polyoxometalate-Polymer Hybrid Polymers and Their Hybrid Vesicular Assembly
An organic−inorganic hybrid polymer composed of a Dawson trivanadium-substituted heteropolytungstate ((Bu4N)5[H4P2W15V3O62]) cluster and PS chain are originally designed and first synthesized via in situ ATRP. Further characterization includes NMR spectroscopy, FT-IR spectroscopy, and GPC which proved the purity of the material. By means of a cation exchange process, a hybrid polymer (Bu...
http://www.polymer.cnt//ss/wangwei/publicationsshow_3104.html |
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31. Experimental study of dynamics of topological defects in nematic polymer liquid crystals
The dynamics of stringlike defects and the shrinkage and annihilation processes of individual defect loops in a nematic polymer liquid crystal have been experimentally investigated. In 40<t<500?s, the line density of defects ρ scales as ρ(t) ∼ t−1, as expected by theory and as found in the experimental studies of some low molecular weight (LMW) liquid crystals. For indi...
http://www.polymer.cnt//ss/wangwei/publicationsshow_3057.html |
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[Small] Dynamic Microcontact Printing for Patterning Polymer-Brush Microstructures
A single, conventional poly(dimethylsiloxane) (PDMS) stamp is used under a dynamic microcontact printing (uCP) method, extended from a static one. This new approach is investigated and combined with surface-initiated atom-transfer radical polymerization
(SI-ATRP) to fabricate complex patterned hierarchical and gradient polymer-brush
microstructures with a number of different feature morphologi...
http://www.polymer.cnt//ss/chentaogroup/publicationsshow_2982.html |
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Effect of PHBV content on the transparency and swelling behavior of polymer/hectorite nanocomposite hydrogel
As a kind of novel biopolymer material with good biodegradability and biocompatibility, poly(β-hydroxybutyrate-co-valerate)(PHBV) was introduced into organic/inorganic network structure of nanocomposite hydrogels prepared by in-situ free-radical polymerization based on monomer Nisopropylacrylamide(
NIPAM) and physical cross-linker hectorite. As viewed from appearance of the
hydrogels, obvio...
http://www.polymer.cnt//ss/tjzqs/publicationsshow_2942.html |
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The influence of tether number and location on the self-assembly of polymer-tethered nanorods
The influence of tether number and location on the self-assembly of polymer-tethered nanorods
http://www.polymer.cnt//ss/luzhongyuan/publicationsshow_2934.html |
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Biomimetic Polymer scaffolds for small-diameter vascular tissue engineering.
Biomimetic Polymer scaffolds for small-diameter vascular tissue engineering.
http://www.polymer.cnt//ss/mahy/publicationsshow_2925.html |
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Flame retarded polymer nanocomposites: Development, trend and future perspective
Polymer nanocomposites are a new class of flame retarded materials which have attracted much attention and considered as a revolutionary new flame retardant approach. A very small amount of nano flame retardants (normally < 5 wt %) can significantly reduce the heat release rate and smoke emission during the combustion of polymer materials. Moreover, the addition of nano flame retardants can als...
http://www.polymer.cnt//ss/zpfang/publicationsshow_2911.html |
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Polymer-controlled growth of Sb2Se3 nanoribbons via a hydrothermal process
Sb2Se3 nanoribbons have been prepared by a hydrothermal process at 180°C for 20 h. X-ray diffraction pattern indicates that the product was orthorhombic Sb2Se3 phase with lattice constants a=11.747, b=11.799 and c=3.987 Å. Field emission scanning electron microscope images show that nanoribbons have diameters in the range of 25–100 nm and lengths up to 30 μm....
http://www.polymer.cnt//ss/liuzhaoping/publicationsshow_2869.html |
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Layered structure in compatible binary polymer brushes with high graft density
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http://www.polymer.cnt//ss/luzhongyuan/publicationsshow_2803.html |
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