Ultrafine natural calcium carbonates as coating pigments in coat

Details Ultrafine natural calcium carbonates as coating pigments in coat Ultrafine natural calcium carbonates as coating pigments in coat

1973-10-15

1976-02-24

Lusignan, Michael R.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

106214, 106288B, 106306, 260 42, 428514, 428537, B32B 2308, B32B 2710

Patent

active

039405508

ABSTRACT:
A coated paper comprising an ultrafine natural calcium carbonate as a pigment, which has an average statistical particle diameter of from 0.5 to 0.7 .mu.m, a maximum diameter of from 3.0 to 4.0 .mu.m, and a specific surface area of at least 12sq.m./g.

REFERENCES:
patent: 3085894 (1963-04-01), Rowland
patent: 3534911 (1970-10-01), William
patent: 3578493 (1971-05-01), Smith

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