Planographic printing master

Details Planographic printing master Planographic printing master

1973-04-13

1977-03-08

Coughenour, Clyde I.

Printing

Planographic

Lithographic printing plates

101467, 101450, 427261, 427387, B41H 114, B41C 110

Patent

active

040106870

ABSTRACT:
A novel printing master and method for producing the same is disclosed which comprises; coating a suitable substrate with a layer of an ink releasable material selected from the group consisting of silicone elastomers and heterophase polymeric compositions having a silicone phase. A particulate image pattern is thereafter deposited on the layer and fused thereon to provide ink receptive image areas on said layer. The material used to provide the particulate image pattern comprises a heterophase polymeric composition also having a silicone phase, thereby providing a physically compatible image pattern for adherence to the silicone containing ink release layer.

REFERENCES:
patent: 2602025 (1952-07-01), DeGoeij et al.
patent: 2895846 (1959-07-01), Schaefer
patent: 3071070 (1963-01-01), Matthews et al.
patent: 3215527 (1965-11-01), Johnson
patent: 3554125 (1971-01-01), Van Dorn
patent: 3592679 (1971-07-01), Tully et al.
patent: 3677178 (1972-07-01), Gipe
patent: 3679410 (1972-07-01), Vrancken et al.

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