排序方式: 共有17条查询结果,搜索用时 31 毫秒
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B. Ch. Kholkhoev A. S. Buinov S. A. Bal’zhinov I. A. Farion V. G. Makotchenko V. E. Fedorov M. N. Kozlova P. S. Timashev V. F. Burdukovskii R. K. Chailakhyan 《Polymer Science Series A》2017,59(2):223-227
Highly concentrated dispersions of polyvinylpyrrolidone-stabilized graphene were prepared. Using transmission electron microscopy, it was found that the graphene particles consisted, on average, of one to four layers, with the lateral size of 50–400 nm. From these dispersions, new film composites of chitosan with the filler content up to 4 wt % characteristic of electrical conductivity as high as 1.9 × 10–2 S/cm were formed. 相似文献
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A. A. Akovantseva N. A. Aksenova T. S. Zarkhina L. I. Krotova N. V. Minaev A. O. Rybaltovskii B. Ch. Kholkhoev I. A. Farion V. I. Yusupov V. F. Burdukovskii V. N. Bagratashvili P. S. Timashev 《Russian Journal of Applied Chemistry》2017,90(1):84-90
Rigid-chain heat resistant polymers (with poly-2,2'-p-oxydiphenylene-5,5′-bisbenzimidazole as example) were impregnated for the first time with a silver-containing precursor in formic acid and in supercritical carbon dioxide. A procedure allowing the precursor reduction to silver nanoparticles both throughout the volume by thermal annealing of the films in the temperature interval 100–150°С and in the targeted mode using lasers operating at 405 and 532 nm was developed. It opens prospects for developing a process for production of heatresistant optical gratings and light guides. The reduces nanoparticles and their agglomerates have the size in the interval 50–200 nm and give a plasmon band in the range 450–460 nm. 相似文献
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B. Ch. Kholkhoev A. S. Buinov S. A. Bal’zhinov V. G. Makotchenko V. E. Fedorov N. A. Aksenova M. N. Kozlova A. B. Solov’eva P. S. Timashev V. F. Burdukovskii 《Polymer Science Series A》2018,60(5):678-682
Highly concentrated dispersions of few-layer graphene stabilized by amphiphilic block copolymer Pluronic F-108 are obtained. According to transmission electron and atomic force microscopy, the thickness of the graphene particles is on average from one to ten layers and their lateral sizes vary from 150 nm to 1 μm. Using these dispersions, new chitosan-based film composites with the filler content up to 5 wt % are obtained; the electrical conductivity of these composites reaches 4.3 × 10–1 S/cm. 相似文献
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A. S. Kozlov A. K. Petrov D. M. Mognonov V. F. Burdukovskii B. Ch. Kholkhoev B. D. Ochirov 《Polymer Science Series A》2013,55(4):285-288
It is shown that the nondestructive ablation of polyheteroarylenes induced by submillimeter radiation of a free electron laser may be used to determine the molecular masses of polymers. The experimental procedure is described, and its results are compared with GPC data. 相似文献
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B. Ch. Kholkhoev V. F. Burdukovskii D. M. Mognonov 《Russian Journal of Applied Chemistry》2011,84(3):510-511
The possibility to synthesize polyamidines in melt from dinitriles and diamines in the presence of aluminum chloride was explored. 相似文献
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Aromatic polyamidines are prepared via the polycondensation of dicarboxamides and diamines in Eaton’s reagent. The polymers are investigated by elemental analysis and IR and NMR spectroscopy. Polyamidines are well soluble in concentrated sulfuric acid and concentrated formic acid and in polar organic solvents, and temperatures corresponding to their 10% weight losses are in the range 245–280°C. 相似文献
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