Selectively absorbent mask printing process

Details Selectively absorbent mask printing process Selectively absorbent mask printing process

1985-09-16

1986-07-15

Lawrence, Evan K.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427161, 427259, 427288, 428207, 428211, 428918, B32B 2906, B05D 506

Patent

active

046006290

ABSTRACT:
The present printing process provides a unique color tone print of muted contrast in two, sequentially operated, flexographic print stations. A suitable paper substrate base for the process is uncoated white paper of stationery or envelope grade. As the paper supply web is drawn through the first print station, the desired image or design is printed on the paper with a colorless solution of a polyol, such as glycerine, in a glycol ether solvent. The second print station simply lays a uniform color coating of compatible pigment or solvent dye based ink over the entire web surface. Shade or tone differences resulting from differences in ink absorption with respect to the glycerine solution image areas provide a distinctive printed product.

REFERENCES:
patent: 3085898 (1963-04-01), Vaurio
patent: 3140959 (1964-07-01), Vaurio
patent: 3288628 (1966-11-01), Schur et al.

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