Process for the production of cellulose-containing sheet-like st

Details Process for the production of cellulose-containing sheet-like st Process for the production of cellulose-containing sheet-like st

1995-10-03

1998-02-17

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

162135, 1621641, 1621643, 427391, D21H 2118

Patent

active

057188041

ABSTRACT:
Process for the production of optionally wood-containing cellulose-containing sheet-like structures, such as paper, pasteboard and card, which have been given a dry strength and/or wet strength treatment and have improved whiteness, using water-dispersible isocyanates, wherein the water-dispersible isocyanates:

REFERENCES:
patent: 4505778 (1985-03-01), Robertson
patent: 4670100 (1987-06-01), Henning et al.
patent: 5503714 (1996-04-01), Reiners et al.
Derwent Abstract of JP 61-173196, (equivalent to DE 42 11 480), (1994).

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