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N-alkyl-n-para-aminoaryl substituted dicyanovinyl aniline dyes for use in thermal transfer printing
N-alkyl-n-para-aminoaryl substituted dicyanovinyl aniline dyes for use in thermal transfer printing
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机译:N-烷基-正-对氨基芳基取代的二氰基乙烯基苯胺染料,用于热转移印刷
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摘要
The present invention provides a dye donor element for use according to thermal dye transfer methods comprising a support having thereon a dye layer comprising a binder and a yellow dye of the class of N-alkyl-N-para- aminoaryl-substituted dicyanovinylaniline dyes. Images obtained with such a donor element in a thermal dye diffusion transfer process are less susceptible to catalytic fading and have thus an improved light fastness.
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