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- W2504302807 abstract "The effect of thermal curing on the morpholgy and conformation of PMDA-ODA and BTDA-ODA polyimides is investigated using fluorescence spectroscopy. These polyimides are found to exhibit intrinsic fluorescence. This fluorescence arises as a result of excitation in either of two spectral bands. Emission from a single chromophore is observed and the two excitation bands are described in terms of both an intra- and an intermolecular charge transfer complex (CTC). The intra-CTC is ascribed to rotation around the imide nitrogen-phenyl bond. The inter-CTC arises as a result of the increase in aggregation associated with a more ordered phase. The emission intensity from excitation of the inter-CTC band increases linearly with reciprocal intermolecuar spacing." @default.
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- W2504302807 date "1989-09-05" @default.
- W2504302807 modified "2023-10-18" @default.
- W2504302807 title "Cure Studies of PMDA-ODA- and BTDA-ODA-Based Polyimides by Fluorescence Spectroscopy" @default.
- W2504302807 doi "https://doi.org/10.1021/bk-1989-0407.ch002" @default.
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