Process for the manufacture of paper having a high dry...

Details Process for the manufacture of paper having a high dry... Process for the manufacture of paper having a high dry...

D - Textiles, Paper

21

H

117/201

D21H 17/43 (2006.01)

Patent

CA 1126594

ABSTRACT OF THE DISCLOSURE A process for the manufacture of paper having a high dry strength and a low wet strength, by treating the surface of the paper with an aqueous solution of an alkali metal and/or alkaline earth metal salt of a copolymer of (a) from 90 to 30% by weight of acrylic acid and/or methacrylic acid and (b) from 10 to 70% by weight of acrylonitrile, methacrylonitrile, acrylamide and/or methacrylamide, with or without (c) up to 30% by weight of an ester of acrylic acid or methacrylic acid, which copolymer has a viscosity of from 5 to 100 mPas in 2% strength aqueous solution at 20°C. and drying the impregnated paper. The copolymer is generally employed in an amount of from 1 to 4% by weight, based on dry paper, and increases the dry strength of the paper without substantially increasing the wet strength.

310918

Affiliated with

Also associated with

Rating

Process for the manufacture of paper having a high dry... 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 manufacture of paper having a high dry..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the manufacture of paper having a high dry... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1006480