PRODUCTION OF DISCHARGE STYLE ON FIBER MATERIAL
In the process for production of discharge reserve prints on textile material comprised of water-repellent fibers or water repellent fibers mixed with cellulose fibers, wherein a disperse dyestuff which is dischargeable to white is applied in the form of a dye liquor or printing paste to the textile...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | In the process for production of discharge reserve prints on textile material comprised of water-repellent fibers or water repellent fibers mixed with cellulose fibers, wherein a disperse dyestuff which is dischargeable to white is applied in the form of a dye liquor or printing paste to the textile material after which said material is dried or incipiently dried, and a discharge reserve printing paste is printed on the material in the desired pattern, and the thus treated material is subsequently subjected to a heat treatment at temperatures of 100 DEG to 230 DEG C., the improvement comprises said disperse dyestuff which is dischargeable to white is a dyestuff of the formula as more fully defined herein and wherein said discharge reserve printing paste contains, as the discharging agent, a base which produces a pH value of at least 8 in a 5% strength aqueous solution. |
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