PHOTOSETTING COMPOSITION
PURPOSE:To improve the photosensitivity of the resulting composition by adding an epoxy compound which is set by amine and an optically responding amine source. CONSTITUTION:The optically responding amine source is an amine Co (III) complex or an amine Co (III) complex. By adding a photoreducing age...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To improve the photosensitivity of the resulting composition by adding an epoxy compound which is set by amine and an optically responding amine source. CONSTITUTION:The optically responding amine source is an amine Co (III) complex or an amine Co (III) complex. By adding a photoreducing agent system and a chelating agent to the complex, the efficiency of the complex producing amines including NH3 can be enhanced when the complex is irradiated with light. Produced amines set an epoxy compound. The unirradiated part of the compound is in an unset state, and by removing the part with an org. solvent or the like, a negative image can be obtd. When the photoreducing agent system is not added, by irradiating the Co (III) complex with ultraviolet rays, the complex is reduced to produce amines, and the amines set the epoxy compound. |
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