Surface sizing composition and method

Details Surface sizing composition and method Surface sizing composition and method

1994-08-03

1996-01-16

Chin, Peter

Paper making and fiber liberation

Processes and products

With coating after drying

162158, 162179, 1621681, 106243, 1062872, 10628724, 427391, 427395, D21H 2116

Patent

active

054845092

ABSTRACT:
A method for treating paper which comprises applying to the surface of the paper an aqueous medium containing a sizing composition consisting essentially of 75 to 99.9 wt % polyvinyl alcohol which is at least 95 mole % hydrolyzed and 0.1 to 25 wt % ketene dimer represented by the formula: ##STR1## wherein R and R.sup.1 are the same or different hydrocarbyl groups having 8-30 carbon atoms.

REFERENCES:
patent: 2627477 (1953-02-01), Downey
patent: 2762270 (1956-09-01), Keim
patent: 4296012 (1981-10-01), Okumichi et al.
patent: 4919724 (1990-04-01), Cenisio et al.
patent: 5013775 (1991-05-01), Oikawa et al.
patent: 5154763 (1992-10-01), Ksoll et al.

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