Production of paper and paperboard of high dry strength

Details Production of paper and paperboard of high dry strength Production of paper and paperboard of high dry strength

1988-02-12

1989-04-04

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621683, 1621684, 1621685, 162175, D21D 300

Patent

active

048183415

ABSTRACT:
Paper and paperboard of high dry strength are produced by adding a dry strength enhancer to the paper stock and dewatering the paper stock with sheet formation by using as the dry strength enhancer a mixture of a cationic polymer which contains as characteristic monomers copolymerized units of

REFERENCES:
patent: 3873336 (1973-03-01), Lambert et al.
patent: 4097427 (1978-06-01), Aitken et al.

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