Xanthated starch amine paper additives

Details Xanthated starch amine paper additives Xanthated starch amine paper additives

1977-04-07

1978-06-06

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Non-fiber additive

536 49, D21D 300

Patent

active

040935108

ABSTRACT:
Novel amphoteric starch derivatives, xanthated starch amines, have been employed as wet-end paper additives for improving both wet and dry strength. They are easily repulpable, readily biodegradable, effective in a broad range of furnish pH's, and are competitive on a cost/performance basis with commercial systems.

REFERENCES:
patent: 3336144 (1967-08-01), Bridgeford et al.
patent: 3459632 (1969-08-01), Caldwell
patent: 3467647 (1969-09-01), Benninga
patent: 3562103 (1971-02-01), Moser et al.
patent: 3649624 (1972-03-01), Powers et al.
patent: 3790514 (1974-02-01), Economou
patent: 3793310 (1974-02-01), Elizer

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