Influence on near-infrared reflectance of dyed textiles

摘要

Use of dyes to the fiber type in question to reduce minimally, retain or increase lareflectancia in 5 NIR, in the region of electromagnetic radiation of wavelengths 700 nm to 1100 mineral type nm textile relative to the nonwoven dyeing and untreated, characterized in that teething processes and / or common stamping for the fiber type in question are used and wherein the estánexentos dyes and metal are acidic dyes having one of the following structures (AI), (a-II ), (A-III), (A-IV) or (AV) ** ** in Formula A is a naphthyl radical unsubstituted or substituted phenyl radical or an unsubstituted or substituted, R32 is hydrogen, hydroxyl, amino or a naphthyl radical unsubstituted or substituted or unsubstituted phenyl radical O-, n is 1, 2 or 3 ** ** in Formula A is a naphthyl radical unsubstituted or substituted phenyl radical or an unsubstituted or substituted, R33 is hydrogen, hydroxyl, amino or naphthyl radical unsubstituted or substituted or unsubstituted phenyl radical O-, n is 1, 2 or 3, ** ** Formula