Means and method for neutral sizing

Details Means and method for neutral sizing Means and method for neutral sizing

1983-12-08

1986-05-27

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

106237, 106238, 106239, 162179, 162180, 1621812, D21H 302

Patent

active

045914125

ABSTRACT:
A composition of matter for the neutral sizing of paper, paperboard, cardboard and other cellulose containing materials, is disclosed comprising water; a solvent which is unlimitedly miscible with water, particularly alcohol; a compound which undergoes a basic reaction; alkali aluminate; and a sizing component. When sizing is effected with this agent, the fiber containing suspension is mixed with a retention agent, before or after the addition of the sizing agent, with the sizing agent being activated by way of neutralization.

REFERENCES:
patent: 2915410 (1959-12-01), Schneider
patent: 3433658 (1969-03-01), D'Errico et al.
patent: 3540980 (1970-11-01), Jones
Healy Jr. et al., "Aluminate Size", Tappi, pp. 193-195, 1933.

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