Use of zirconium salts to improve the surface sizing efficiency

Details Use of zirconium salts to improve the surface sizing efficiency Use of zirconium salts to improve the surface sizing efficiency

1994-09-19

1995-10-24

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106205, 106209, 106210, 106214, C08L 300

Patent

active

054606454

ABSTRACT:
An aqueous surface sizing composition for sizing paper or paperboard having as essential components 50 to 70 pads of a water soluble or water dispersible hydroxylated polymer, an amount of a carboxylated polymer that is present relative to hydroxylated polymer in a ratio of 0.5:99.5 to 4:96 and not exceeding 7 pads carboxylated polymer, 0.3 to 3.0 pads of an alkali salt of a Group IV metal (e.g., zirconium, hafnium, and titanium), and sufficient water to obtain 1.5 to 2.0 percent total solids. The sizing compositions may further include polymeric additives, aqueous alkali, a pigment and a defoamer.

REFERENCES:
patent: 1024881 (1966-04-01), Hart
patent: 2758102 (1956-08-01), Grummitt et al.
patent: 2780555 (1957-02-01), Budewitz
patent: 3317588 (1964-06-01), Taylor
patent: 3332794 (1967-07-01), Hart
patent: 3930074 (1975-12-01), Drelich et al.
patent: 4234212 (1980-11-01), Kato et al.
patent: 4400440 (1983-08-01), Shaw

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