Synthesis and properties of novel photosensitive polyimides containing chalcone moiety in the main chain

被引：0

作者：

Feng, K ^{[1
]}

Tsushima, M ^{[1
]}

Matsumoto, T ^{[1
]}

Kurosaki, T ^{[1
]}

机构：

[1] Tokyo Inst Polytech, Fac Engn, Dept Ind Chem, Kanagawa 24302, Japan

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1998年 / 36卷 / 05期

关键词：

photoreactive polyimides; chalcone-containing polymers; photocrosslinking; photosensitive;

D O I：

10.1002/(SICI)1099-0518(19980415)36:5<685::AID-POLA2>3.3.CO;2-1

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Two chalcone-derivative isomers, 4,4'-diaminochalcone (4DAC) and 3,3'-diaminochalcone (3DAC), were synthesized and used as monomers together with tetracarboxylic dianhydrides to prepare novel photosensitive polyimides that contain a chalcone moiety in the main chain. The polyimides were characterized and their photochemical behavior was investigated as thin films and in solutions with the aid of ultraviolet and infrared spectroscopy. Compared with 4DAC-based polyimides, the 3DAC-based polyimides exhibited lower glass transition temperatures and higher photocrosslinking rates of the carbon-carbon double bond as well as higher photosensitivities obtained from the exposure characteristic curves, suggesting that an increase in the photoreactivity of the 3DAC-based polyimides might arise from the improved flexibility of their backbones. The polyimide from 3DAC and 6FDA (2,2-bis[3,4-dicarboxypheny]hexafluoropropane dianhydride) showed a photosensitivity of 33 mJ/cm(2) with a contrast of 1.5 upon light irradiation using a Xenon lamp. (C) 1998 John Wiley & Sons, Inc.

引用

页码：685 / 693

页数：9

共 33 条

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