Coating composition and cast-coated paper coated with the same

Details Coating composition and cast-coated paper coated with the same Coating composition and cast-coated paper coated with the same

1989-03-01

1990-12-04

Schoffer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C08L 0908

Patent

active

049754734

ABSTRACT:
A coating composition for a cast-coated paper which principally comprises a pigment and an adhesive and in which the adhesive is composed of (A) a rubber latex having an average particle size of 0.1 to 0.3 micron and (B) a rubber latex or an acrylic emulsion having an average particle size of 0.5 to 1.5 micron and the sum of the solid content of the components (A) and (B) is in the range of 9 to 30 parts by weight per 100 parts by weight of the pigment is herein provided. The coating composition may further contain casein as a binder. In addition, inorganic compounds selected from NaCl, Na.sub.2 SO.sub.4, ZnO and MgO and organic acid salts selected from formates or acetates of Ca, Zn, Mg may be added to the coating composition as coagulants. The use of the aforesaid coating composition makes it possible to produce cast-coated paper having excellent permeability, gloss and surface strength at a high speed.

REFERENCES:
patent: 4567099 (1986-01-01), Van Gilder et al.
patent: 4620992 (1986-11-01), Nojima et al.

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