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Treatment of substrates, the quality of images printed thereon to improve, using a mixture of a polyacid with one polybase
Treatment of substrates, the quality of images printed thereon to improve, using a mixture of a polyacid with one polybase
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机译:通过使用多元酸和一种多元碱的混合物来处理基材,从而改善打印在其上的图像的质量
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摘要
The present invention features compositions and methods for improving the quality of images printed on a substrate. The image-enhancing compositions contain an image-enhancing agent comprising a mixture of a polyacid and a polybase. When applied to a substrate, the compositions provide for high quality printed images when the treated substrate is printed on with an ink containing a reactive dye having ionizable and/or nucleophilic groups capable of reacting with the image-enhancing agent. Images printed on a substrate treated with the image-enhancing compositions of the invention are bleed-resistant, water-resistant (e.g., water-fast), and/or are characterized by enhanced chroma and hue.
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