Use of polyacrylic acid in pulp bleaching processes to...

Details Use of polyacrylic acid in pulp bleaching processes to... Use of polyacrylic acid in pulp bleaching processes to...

D - Textiles, Paper

21

C

8/78

D21C 9/12 (2006.01) D21C 9/10 (2006.01)

Patent

CA 1129155

ABSTRACT OF THE DISCLOSURE Improved pulp strength and brightness of chemically produced pulp can be obtained by treating the pulp with the addition of .05- .5% based on the weight of the dry fiber of polyacrylic acid and/or its water-soluble salts in the chlorination bleaching stages.

362403

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