Dry planographic printing ink composition

Details Dry planographic printing ink composition Dry planographic printing ink composition

1974-10-18

1976-03-23

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

96 33, 101450, 260 9, 260 16, 260 22S, 260 22CQ, 260 336A, 260 336SB, B41M 100, C09D 1110, G03F 702

Patent

active

039459578

ABSTRACT:
A dry planographic printing ink composition which comprises a vehicle for an ink, a pigment and a solvent, characterized by using as a portion of the vehicle 1 to 40% by weight of silicone modified alkyd resin containing 5 to 50% by weight of organopolysiloxanes represented by the average composition formula: ##EQU1## WHEREIN R.sup.1 stands for a mono-valent unsubstituted hydrocarbon group containing 1 to 4 carbon atoms, R.sup.2 stands for a hydrogen atom or mono-valent hydrocarbon group containing 1 to 4 carbon atoms, n is an integer of 1.0 to 2.0, m is an integer of 0.1 to 2.5, but n + m is less than 4. The ink composition is a very favorable dry planographic printing ink composition having a practicable printing adaptability.

REFERENCES:
patent: 3015637 (1962-01-01), Rauner et al.
patent: 3511178 (1970-05-01), Curtin
patent: 3632375 (1972-01-01), Gipe
patent: 3677178 (1972-07-01), Gipe
patent: 3775115 (1973-11-01), Sorkin et al.

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