Coating composition for acceptor sheets in carbonless copying

Details Coating composition for acceptor sheets in carbonless copying Coating composition for acceptor sheets in carbonless copying

1978-07-05

1980-09-09

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296M, 260 296MM, 427150, 427151, C08L 910

Patent

active

042216907

ABSTRACT:
Acceptor sheets for carbonless copying are prepared by coating a suitable substrate with an aqueous composition which, in addition to known dispersed acceptor materials, such as acid treated clays, contains at least one basic zinc salt substantially insoluble in water in an amount, as ZnO, of 2 to 50% by weight of the acceptor pigments on a dry basis, the composition having a pH below 7.

REFERENCES:
patent: 2760431 (1956-08-01), Beatty
patent: 3595822 (1971-07-01), Swank
patent: 3725327 (1973-04-01), Stearns
patent: 3803074 (1974-04-01), Jenkins
patent: 3838047 (1974-09-01), Le Blanc
patent: 4022735 (1977-05-01), Thompson
patent: 4038101 (1977-07-01), Thompson
patent: 4109048 (1978-08-01), Dessauer

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