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Amine compounds as contrast enhancing agents of the heat-sensitive photographic element for black-and-white and photothermographic
Amine compounds as contrast enhancing agents of the heat-sensitive photographic element for black-and-white and photothermographic
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机译:胺化合物作为黑白和光热成像用热敏照相材料的反差增强剂
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摘要
Hydroxylamine, alkanolamine, and ammonium phthalamate compounds are useful as contrast enhancers when used in combination with (i) hindered phenol developers, and (ii) trityl hydrazide and/or formyl-phenyl hydrazine co-developers, to produce ultra-high contrast black-and-white photothermographic and thermographic elements. The photothermographic and thermographic elements may be used as a photomask in a process where there is a subsequent exposure of an ultraviolet or short wavelength visible radiation-sensitive imageable medium.
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