Process for the production of cellulose-containing...

Details Process for the production of cellulose-containing... Process for the production of cellulose-containing...

D - Textiles, Paper

21

H

D21H 17/57 (2006.01) C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 18/70 (2006.01) C08G 18/80 (2006.01) D21H 21/18 (2006.01)

Patent

CA 2160088

Process for the production of optionally wood-containing cellulose-containing sheet-like structures, such as paper, pasteboard and card, which have been given a dry strength and/or wet strength treatment and have improved whiteness, using water-dispersible isocyanates, wherein the water-dispersible isocyanates: a) are aliphatic, cycloaliphatic, araliphatic or aromatic isocyanates having an NCO functionality of 1.8 to 4.2, mixed with polyether-modified aliphatic, cycloaliphatic, araliphatic or aromatic isocyanates having an average NCO functionality of 0.8 to 3.2, b) the isocyanate mixtures a) contain 1 to 25% by weight of isocyanate groups, c) have a content of ethylene oxide units, arranged in the form of polyether chains of average molecular weight 10 to 3500 (number-average), of 20 to 60% by weight, based on the isocyanate mixture, and if appropriate d) have a content of tertiary amino groups and/or ammonium groups of 1 to 500 milliequivalents per 100 g of isocyanate mixture a).

Affiliated with

Also associated with

Rating

Process for the production of cellulose-containing... 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 the production of cellulose-containing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of cellulose-containing... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1809842