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Novel non-staining red colorants and liquid fabric softener formulations comprising such non-staining colorants
Novel non-staining red colorants and liquid fabric softener formulations comprising such non-staining colorants
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机译:新型不沾红色着色剂和包含此类不沾红色着色剂的液体织物柔软剂配方
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摘要
Fabric softener compositions comprising certain red colorants that exhibit excellent deep, dark red colorations (for aesthetic purposes) and mix very well with other colorants to provide differing red shades and tints therein, which simultaneously exhibit very low, if any staining capabilities on fabrics treated therewith, are provided. Such deep and dark red colorations have heretofore been unavailable within fabric softener formulations due to the tendency of such prior colorants to exhibit unacceptable staining levels, particularly when formulated at similar deep and dark shades as now provided within the inventive low-staining formulations. Apparently, and quite unexpectedly, the colorants present therein react favorably with quaternary ammonium salt softening agents in a manner to prevent reaction with the fibers of the treated fabrics themselves, thereby preventing staining thereon and therein. Such novel red-colored or -tinted fabric softener formulations, as well as any other quaternary-ammonium salt-containing red-colored or -tinted compositions are encompassed within this invention.
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