Use of zirconium salts to improve the surface sizing efficiency

Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers

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Details

427341, 427342, 427391, 428514, B32B 2308, B32B 2710

Patent

active

053625730

ABSTRACT:
This invention relates to an improved process of surface sizing of paper and paperboard. The process consists of:

REFERENCES:
patent: 2780555 (1957-02-01), Budewitz
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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