Dull cast coated paper and method for manufacturing thereof

Details Dull cast coated paper and method for manufacturing thereof Dull cast coated paper and method for manufacturing thereof

1998-07-24

2000-10-17

Thibodeau, Paul

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

428323, 428341, 4285375, B32B 702, B32B 516, B32B 2900

Patent

active

061328553

ABSTRACT:
A cast-coated paper has, on at least one coated surface of a base paper, a coat containing pigment(s) and binder and having low gloss. The coat has a topographical surface profile in which the average peak-to-valley height R.sub.a is from 0.1 .mu.m to 0.5 .mu.m and the maximum peak-to-valley height R.sub.t is from 1.0 .mu.m to 4.5 .mu.m, and the wave height W.sub.t is less than 5.0 .mu.m. In a process for the production of a cast-coated paper having low gloss, an aqueous coating composition which contains pigment(s) and binder is applied to at least one surface of a base paper, the coated surface is brought into contact with the surface of a heated cylinder, the coat is dried in contact with the cylinder surface and the dried paper is removed from the cylinder surface. The cylinder surface has the topographical surface profile in which the average peak-to-valley height R.sub.a is from 0.1 .mu.m to 0.6 .mu.m and the maximum peak-to-valley height R.sub.t is from 1.0 .mu.m to 5.0 .mu.m. The surface gloss R'(75.degree.) of the cast-coated paper according to the invention is less than 30 (measuring angle 75.degree.), measured according to DIN 54502.

REFERENCES:
patent: 5902770 (1999-05-01), Narita et al.
patent: 5922457 (1999-07-01), Yanagisawa et al.
Japanese Abst. Appl. No. 3-62042.
Japanese Abst. Appl. No. 5-36984.

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