Strenghtening of mechanical pulp by chemical treatment

Details Strenghtening of mechanical pulp by chemical treatment Strenghtening of mechanical pulp by chemical treatment

D - Textiles, Paper

21

D

8/79, 8/93.59

D21D 1/20 (2006.01) D21C 3/18 (2006.01) D21C 3/22 (2006.01) D21C 5/00 (2006.01) D21C 9/00 (2006.01) D21C 9/10 (2006.01) D21C 9/12 (2006.01)

Patent

CA 1056558

ABSTRACT OF THE DISCLOSURE A process for strengthening mechanically prepared fibrous lignocellulosic material such as groundwood pulp, thermo-mechanical pulp, chemi-mechanical pulp or semi- chemical pulp. The lignocellulosic material is treated first with a chlorine-containing reagent such as chlorine dioxide or chlorine, washed, and then treated with an alkali metal hydroxide in admixture with a peroxide such as hydrogen peroxide or sodium peroxide. The process provides a mechanical pulp having increased paper-making strength.

228090

Affiliated with

Also associated with

Rating

Strenghtening of mechanical pulp by chemical treatment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Strenghtening of mechanical pulp by chemical treatment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Strenghtening of mechanical pulp by chemical treatment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1057233