Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Optical anisotropy of flexible polyimide thin films | |
其他题名 | 论文其他题名 |
Li B. Z.; He T. B.; Ding M. X.; Zhang P.![]() | |
1998 | |
发表期刊 | Journal of Materials Research
![]() |
ISSN | 0884-2914 |
卷号 | 13期号:5页码:1368-1372 |
摘要 | Optical anisotropy of thin films of an organo-soluble flexible polyimide based on 1,4-bis(3,4-dicarboxyphenoxy) benzene dianhydride (HQDPA) and 2,2-dimethyl-4,4'-methylene dianiline (DMMDA) was detected by a prism-coupler technique. A mechanism is proposed, based on the model of gel film collapse. The degrees of optical anisotropy of the thin films were evaluated via the level of negative birefringence. The residual solvent in the films lessens the levels of negative birefringence so that the residual solvent must be evacuated. The levels of negative birefringence are independent on the solid content of the initial solution, but dependent on the thickness of the films. For a film of 16 mu m thick, zero birefringence was achieved, postulated from the dependence of negative birefringence on the thickness of thin films. The relationship between the optical anisotropy and solution properties shows that the degrees of optical anisotropy of thin films on the same scale of thickness depend on macromolecular sizes in their dilute solutions. |
收录类别 | SCI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/25949 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Li B. Z.,He T. B.,Ding M. X.,et al. Optical anisotropy of flexible polyimide thin films[J]. Journal of Materials Research,1998,13(5):1368-1372. |
APA | Li B. Z.,He T. B.,Ding M. X.,Zhang P.,Gao F. B.,&Jing F..(1998).Optical anisotropy of flexible polyimide thin films.Journal of Materials Research,13(5),1368-1372. |
MLA | Li B. Z.,et al."Optical anisotropy of flexible polyimide thin films".Journal of Materials Research 13.5(1998):1368-1372. |
条目包含的文件 | 下载所有文件 | |||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Li-1998-Optical anis(145KB) | 开放获取 | -- | 浏览 下载 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论