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полный	информационный	краткий

Поисковый запрос: (<.>S=POLY(METHYL METHACRYLATE)<.>)

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Nemtsev I. V., Shabanova, Olga V., Shestakov N. P., Cherepakhin A. V., Zyryanov V. Ya.
Заглавие : Morphology stability of polymethylmethacrylate nanospheres formed in water-acetone dispersion medium
Место публикации : Appl. Phys. A. - 2019. - Vol. 125, Is. 10. - Ст.738. - ISSN 0947-8396, DOI 10.1007/s00339-019-3036-4. - ISSN 1432-0630(eISSN)
Примечания : Cited References: 93
Предметные рубрики: OPAL PHOTONIC CRYSTALS
POLY(METHYL METHACRYLATE)
UP-CONVERSION
Аннотация: The aim of this study is to develop a manufacturing technique of polymethylmethacrylate (PMMA) nanospheres to produce a more stable opal template. Water-acetone mixture was used as a dispersion medium to synthesize a PMMA opal structure. Morphology features, IR vibrational spectra and glass transition temperatures of the PMMA nanospheres formed in the water-acetone dispersion medium (nanospheres A) have been studied comparing with the same prepared in distilled water solution without acetone (nanospheres B). A dependence of a shrinkage degree of the nanoparticles on the acetone volume has been investigated. It has been revealed that under an electron beam action the shrinkage degree of the nanospheres A is in the range of 7-16% while the shrinkage of the nanospheres B is 18-25% at the same conditions. The nanospheres A are less flexible and soft as compared to the nanospheres B. Additionally, an ability of the PMMA nanoparticles fabricated in the water-acetone dispersion medium to form the ordered opal structures is demonstrated to be the similar to the nanospheres B.
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