Textures and disclinations in the cholesteric liquid-crystalline phase of a cyanoethyl chitosan solution | |
Dong, YM ; Dong YM(董炎明) ; Yuan, Q ; Huang, Y | |
2000-02-23 | |
关键词 | chitosan/cyanoethyl chitosan/cholesteric liquid crystal texture defect disclination chemical etching |
英文摘要 | Disclinations in the fingerprint-like cholesteric texture of a natural polymer derivative, cyanoethyl chitosan, were observed and studied by both polarizing optical microscopy and scanning electron microscopy. In the latter technique, permanganic etching was developed for this cholesteric texture to increase the contrast. A special mechanism for cholesteric phase etching is suggested and discussed. Some chi, lambda, and tau disclinations and domain walls were observed. (C) 2000 John Wiley & Sons, Inc. |
语种 | 英语 |
出版者 | JOHN WILEY & SONS INC |
内容类型 | 期刊论文 |
源URL | [http://dx.doi.org/doi:10.1002/(SICI)1099-0488(20000401)38:7<980::AID-POLB8>3.0.CO;2-4] ![]() |
专题 | 化学化工-已发表论文 |
推荐引用方式 GB/T 7714 | Dong, YM,Dong YM,Yuan, Q,et al. Textures and disclinations in the cholesteric liquid-crystalline phase of a cyanoethyl chitosan solution[J],2000. |
APA | Dong, YM,董炎明,Yuan, Q,&Huang, Y.(2000).Textures and disclinations in the cholesteric liquid-crystalline phase of a cyanoethyl chitosan solution.. |
MLA | Dong, YM,et al."Textures and disclinations in the cholesteric liquid-crystalline phase of a cyanoethyl chitosan solution".(2000). |
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