主链含n -羰基氧酰亚胺的聚酰亚胺的合成与光降解

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI:10.1080/10587250108030065

C. Chung, S. Cho, S. Oh

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引用次数: 0

摘要

摘要制备了一种主链上同时含有n -羰基氧酰亚胺基团和环丁烷环的新型正型光敏聚酰亚胺，并通过FT-IR、1H NMR和GC-MS对其光降解行为进行了研究。该聚酰亚胺通过N-O键和环丁烷环的裂解进行光诱导分解，得到光产物马来酰亚胺。与传统的含环丁烷的聚酰亚胺相比，聚酰亚胺表现出增强的光敏性。

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Synthesis and Photodegradation of a Polyimide Having N-Carbonyloxyimide Moieties in the Main Chain

Abstract A new positive-type photosensitive polyimide containing simultaneously N-carbonyloxyimide groups and cyclobutane rings in the main chain was prepared, and its photodegradation behavior was investigated by FT-IR, 1H NMR, and GC-MS spectroscopy. The polyimide underwent a photo-induced decomposition through the cleavage of N-O bond as well as cyclobutane ring, affording maleimide as a photoproduct. The polyimide exhibited enhanced photosensitivity compared to conventional cyclobutane-containing polyimides.

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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals

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