大连理工大学主页平台管理系统蹇锡高新型磺化聚醚砜酮复合纳滤膜中文主页

论文成果

Fluorinated phthalazinone-containing copolyimides for passive optical waveguides: 点击次数：; 发布时间： 2019-03-10; 发布时间：2019-03-10; 论文类型：期刊论文; 发表时间：2005-01-01; 发表刊物：CHINESE JOURNAL OF POLYMER SCIENCE; 收录刊物：ISTIC、EI、SCIE、Scopus; 卷号：23; 期号：1; 页面范围：71-74; ISSN号：0256-7679; 关键字：polymeric optical waveguides; fluorinated polyimides; phthalazinone; 摘要：A series of fluorinated copolyimides containing phthalazinone moieties were prepared from 2,2-bis(3,4dicarboxypheiiyl)hexafluoropropane dianhydride (6FDA), 3,3'4,4'-benzophenone-tetracarboxylic dianhydride (BPDA) and 2-(4-aminophenyl)-4-[4-(4-aminophenoxyl)phenyl]-2,3-phthalazin-1-one (DHPZ-2NH(2)) for making polymeric optical waveguides. The resulting copolymers containing 0-50 mol% BPDA/ DHPZ-2NH(2) show good solubility and are soluble in some organic polar aprotic solvents. The copolyimides also present excellent thermal stability. These polymers possess high glass transition temperature higher than 603 K and high decomposition temperature above 742 K determined by differential scanning calorimetry and thermogravimetric analysis, respectively, under a nitrogen atmosphere. Their refractive indices could be controlled by varying the ratio of 6FDA and BPDA in the copolymer from 0.5 to 1.0, and the in-plane refractive indices (n(TE)) range from 1.6366 to 1.6668 and the out-of-plane refractive indices (n(TM)) from 1.6024 to 1.6280 at 632.8 nm. The polymers birefringence (0.0342-0.0388) is almost independent of the 6FDA content of copolymer, which indicated that the phthalazinone-containing copolyimides could be suitable to fabricate optical waveguides possessing a low polarization dependent loss (PDL).

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蹇锡高

同专业博导同专业硕导个人学术主页

教授博士生导师硕士生导师

性别：男

毕业院校：大连工学院

学位：硕士

所在单位：化工学院

学科：高分子材料. 高分子化学与物理. 膜科学与技术

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