Dyeing method

Bleaching and dyeing; fluid treatment and chemical modification – Drawing or stretching of preform with dyeing – process or...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

8494, 8922, D06P 316, D06P 354

Patent

active

056308493

ABSTRACT:
The invention is a method of dyeing aliphatic polyester filaments with a disperse dye by selecting a dyeing temperature, dyeing pH, and dyeing time in such a way that the weight average molecular weight of the aliphatic polyester filament has a lowering ratio of 20% or less.
The invention is a method for dyeing the aliphatic polyester filament with good reproducibility and level dyeing property while substantially maintaining the molecular weight and the essential excellent properties of the aliphatic polyester filament, and can provide dyed articles which have high strength, are excellent in level dyeing property and color fastness to light, and have various hues.

REFERENCES:
patent: 3502422 (1970-03-01), Miller et al.
patent: 4531947 (1985-07-01), Engelhardt
patent: 5201922 (1993-04-01), Seto et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Dyeing method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dyeing method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dyeing method will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1721194

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.