Paper sizing process

Details Paper sizing process Paper sizing process

1977-02-28

1977-12-27

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Non-fiber additive

162175, 162181B, 162181C, 162181D, D21D 300

Patent

active

040653498

ABSTRACT:
Paper sizing process comprising (1) adding a sizing composition of a cationic retention aid and a monoester of a benzene carboxylic acid anhydride having from 6 to 60 carbon atoms in the ester group to an aqueous pulp suspension or paper stock prior to web formation, and (2) heating said sized paper web to a temperature of from 80.degree. to 150.degree. C.

REFERENCES:
patent: 2801934 (1957-08-01), Rizzo
patent: 3029153 (1962-04-01), Hackley
patent: 3140299 (1964-07-01), Loncrini
patent: 3296065 (1967-01-01), O'Brien et al.
patent: 3854866 (1974-12-01), Franklin et al.

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