File:Blue phase of the liquid crystalline polymer.jpg
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Captions
Captions
Blue phase of the liquid crystalline polymer in "frozen" glassy state.
Summary
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English: Platelet texture of Blue Phase in high-molar-mass side chain polymer was observed for the first time in our laboratory (Moscow State University) in 1996. Results of these investigations were published in Liq. Cryst. V. 24, No. 4, 1998, pp. 489-500. The unique difference between Blue Phases in low-molar-mass and polymeric systems is their great stability in the case of polymer. The sample presented in photo was obtained by overcooling to room temperature. Recently I have found this sample and was completely surprised because texture remains the same after more than 20 years of storage at room temperature!
Image width is about 300 micrometers. Image made with microscope Zeiss AxioVert1 with crossed polarizers by camera GRYPHAX JENOPTIK.
Русский: «Пластинчатая» текстура голубой фазы гребнеобразного полимера, впервые обнаруженная мной в нашей лаборатории (Химический факультет МГУ) в 1996 году. Результаты этих исследований были опубликованы в журнале Liquid Crystals (V. 24, No. 4, 1998, pp. 489-500). Уникальная разница между голубыми фазами в низкомолекулярных и полимерных системах заключается в их большой стабильности в случае полимера. Образец, представленный на фото, был получен охлаждением до комнатной температуры. Недавно я нашел этот образец и с удивлением обнаружил, что текстура осталась неизменной после более, чем 20 лет хранения при комнатной температуре!
Ширина изображения составляет около 300 микрометров. Фото сделано при помощи микроскопа Zeiss AxioVert1 в скрещенных поляризаторах камерой GRYPHAX JENOPTIK.English: Platelet texture of Blue Phase in high-molar-mass side chain polymer was observed for the first time in our laboratory (Moscow State University) in 1996. Results of these investigations were published in Liq. Cryst. V. 24, No. 4, 1998, pp. 489-500. The unique difference between Blue Phases in low-molar-mass and polymeric systems is their great stability in the case of polymer. The sample presented in photo was obtained by overcooling to room temperature. Recently I have found this sample and was completely surprised because texture remains the same after more than 20 years of storage at room temperature! Image width is about 300 micrometers. Image made with microscope Zeiss AxioVert1 with crossed polarizers by camera GRYPHAX JENOPTIK. |
| Date | |
| Source | Own work |
| Author | Ratamaque74 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:12, 17 April 2019 | | 1,920 × 1,080 (2.8 MB) | Ratamaque74 (talk | contribs) | User created page with UploadWizard |
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