Process for the continuous dyeing of yarns with reactive dyes and apparatus for carrying out this process
US5891201A · kind A · utility
4Cited by
5References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 10, 1996 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Oct 10, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/934
- WIPO fieldChemical engineering
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.