Use of additives in pulp bleaching processes to preserve pulp st

Details Use of additives in pulp bleaching processes to preserve pulp st Use of additives in pulp bleaching processes to preserve pulp st

1980-08-07

1981-11-03

Smith, William F.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 77, 162 72, 162 87, D21C 318

Patent

active

042984289

ABSTRACT:
Improved pulp strength and brightness of chemically produced pulp can be obtained by treating the pulp with the addition of 0.05-0.5% based on the weight of the dry fiber of certain amine materials in the hypochlorite bleaching stage.

REFERENCES:
patent: 2478379 (1949-08-01), Dodson
patent: 3113928 (1963-12-01), Davis et al.
patent: 3120424 (1964-02-01), Ruedi
patent: 3177111 (1965-04-01), Larsen
patent: 4096029 (1973-06-01), Mills
Tappi, May 1951, vol. 34, No. 5, pp. 209-215.

Affiliated with

Also associated with

Rating

Use of additives in pulp bleaching processes to preserve pulp st does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Use of additives in pulp bleaching processes to preserve pulp st, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Use of additives in pulp bleaching processes to preserve pulp st will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1063207