Bleaching and dyeing; fluid treatment and chemical modification – Multiple chemically diverse fibers or fibers with different... – Polyster fiber and wool or silk fiber
Patent
1987-08-27
1989-04-11
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Multiple chemically diverse fibers or fibers with different...
Polyster fiber and wool or silk fiber
81492, 81493, D06P 382, D06B 328
Patent
active
048203122
ABSTRACT:
Because the high dyeing temperatures employed necessitate the use of formaldehyde as customary wool-protecting agent and because of the resulting sealing problems on jet-dyeing machines, an HT dyeing of polyester fibre/wool blends cannot be carried out without polluting the environment. If, however, to achieve this purpose, lower temperatures are employed and the consequently required carriers are added directly to the dyeing liquor, this in turn gives rise to levelness problems and fastness reductions on the wool portion of the textile material.
It has now been found according to the invention that by metering the carrier under isothermal conditions into the dyeing after 10-20 minutes via the gas stream driving the textile material it is possible to obtain a homogeneous distribution thereof and its full effectiveness without fastness losses. The dyeing can be completed 10-30 minutes later. All the advantages of jet dyeing are fully retained in this process.
REFERENCES:
patent: 3681005 (1972-08-01), von der Eltz et al.
patent: 3966406 (1976-06-01), Namiki et al.
patent: 3973902 (1976-08-01), Zimmermann et al.
patent: 4125371 (1978-11-01), Beutler et al.
patent: 4351076 (1982-09-01), von der Eltz
patent: 4483032 (1984-11-01), Christ et al.
patent: 4629465 (1986-12-01), Hasler et al.
Hoechst Aktiengesellschaft
Lieberman Paul
McNally John F.
LandOfFree
Process for dyeing textiles made of polyester fiber/wool blends does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for dyeing textiles made of polyester fiber/wool blends , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for dyeing textiles made of polyester fiber/wool blends will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-664404