Manufacturing process for paper

Details Manufacturing process for paper Manufacturing process for paper

1991-03-15

1992-07-14

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162175, 162183, D21H 1114, D21H 1728

Patent

active

051299895

ABSTRACT:
A process for manufacturing paper is characterized by the fact that there is introduced into the fibrous composition constituting the starting or raw material, at two or several points, particularly in the wet end, separately from one another, one (or several) cationic starch(es) and one (or several) anionic starch(es) other than a starch phosphate.

REFERENCES:
patent: 3067088 (1962-12-01), Hofreiter et al.
patent: 3269852 (1966-08-01), Borchert et al.
patent: 4066495 (1978-02-01), Voigt et al.
patent: 4487657 (1984-12-01), Gomez
Tappi, vol. 65, No. 3, mars 1973, pp. 83-86, Atlanta, Georgia, US; K. W. Britt: "Retention of additives during sheet formation" p. 85, The Two-step Method; tableau III.
Casey, Pulp and Paper, 3rd ed., vol. III (1981) p. 1493.

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