Influence of Chemical Structure on the Refractive Index of Imide-Type Polymers

被引：10
作者：
Butnaru, Irina [1 ]
Bruma, Maria [1 ]
Kopnick, Thomas [2 ]
Stumpe, Joachim [3 ]
机构：
[1] Petru Poni Inst Macromol Chem, Iasi 700487, Romania
[2] CIMAT, Inst Thin Film Technol & Microsensor, D-14513 Teltow, Germany
[3] Fraunhofer Inst Appl Polymer Res, D-14476 Golm, Germany
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 21期
关键词：
high refractive indices; imide-type polymers; optical properties; thermal stability; AROMATIC POLYIMIDES; POLY(AMIDE IMIDE)S; FLUORINATED POLYIMIDES; TRANSPARENT; POLYAMIDES; SULFUR; LIQUID; ETHER; FILMS;
D O I：
10.1002/macp.201300309
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The influence of different substituents on the optical properties of poly(amide imide)s and polyimides is systematically investigated. All of the polymers exhibit good solubility and film-forming ability, high thermal stability, and glass transition temperatures of 162-209 degrees C for poly(amide imide)s and of 209-274 degrees C for polyimides. The optical transmittance of the films at 450 nm is above 80% for all the studied polyimides and poly(amide imide)s containing benzonitrile units linked in the 2,6-position. The values of refractive index for poly(amide imide)s are in the range of 1.623-1.748 and for polyimides in the domain of 1.672-1.768.
引用
收藏
页码：2454 / 2464
页数：11
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