Process for the continuous dyeing of yarns with reactive dyes and apparatus for carrying out this process
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United States of America Patent
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Apr 6, 1999
Grant Date -
N/A
app pub date -
Oct 10, 1996
filing date -
Oct 13, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for the continuous dyeing of cellulose fibre yarns with reactive dyes and to an apparatus for carrying out this process. The process essentially comprises steps of impregnating yarn which has been continuously unwound at high speed from one or several supports (1) and rewound onto one or several supports (3) with at least one fibre-reactive dye in aqueous solution and at least one alkaline reagent in aqueous solution, and fixing the dye. The invention can be applied especially in the technical field of dyeing cellulose fibres.
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