Process for rapid dyeing from entrained compositions of high-boiling solvents
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United States of America Patent
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Mar 28, 1989
Grant Date -
N/A
app pub date -
Jun 30, 1987
filing date -
Jun 30, 1987
priority date (Note) -
Expired
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Abstract
Textile fabrics such as polyester, nylon and high-tenacity nylon are continuously dyed using a non-aqueous dye composition at elevated temperatures in an air atmosphere. The non-aqueous dye composition consisting of high-boiling, nonionic solvent and a dye, is applied to the textile in an air atmosphere at a temperature below 280.degree. F. then, while the dye composition is entrained in the fabric, the fabric is heated also in an ambient atmosphere to effective dyeing. Non-reactive environments or inert temperatures are not required.
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