Imaging method

Details Imaging method Imaging method

1974-05-28

1976-07-06

Herbert, Jr., Thomas J.

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

260824R, 260824EP, 427288, B41M 500

Patent

active

039682781

ABSTRACT:
Disclosed is a method of duplicating and imaged master comprised of a marking material distributed in an imagewise manner upon a substrate. The method involves contacting the master with a highly viscoelastic inking composition comprising:
A. a silicon containing block copolymer having polymeric silicone segments and polymeric segments of a material which is adhesive to the material comprising the image;
B. a coloring agent; and
C. a solvent in which the copolymer is soluble but which is a non-solvent for the marking material. The inked master is then contacted under pressure with a transfer member to thereby transfer the ink to the transfer member in imagewise configuration.

REFERENCES:
patent: 3187031 (1965-06-01), Weyenberg
patent: 3553133 (1971-01-01), Olson
patent: 3760030 (1973-09-01), Dean
I and EC Research and Development, vol. 10, p. 10, (Mar., 1971).
Macromolecules, vol. 3, p. 1, (Jan. - Feb., 1970).

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