Dry planographic printing ink composition

Details Dry planographic printing ink composition Dry planographic printing ink composition

1974-10-18

1976-04-06

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

B41M 100, C09D 1110, G03F 702

Patent

active

039488276

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 a silicone modified alkyd resin containing 5 to 50% by weight of at least one of the organopolysiloxanes substituted by amino groups represented by the average composition formulas: ##EQU1## AND ##EQU2## WHEREIN Z stands for an amino group or mono-valent substituent having a terminal amino group, R.sup.1 stands for a di-valent hydrocarbon group containing 1 to 3 carbon atoms, R.sup.2 stands for a mono-valent hydrocarbon group containing 1 to 3 carbon atoms, R.sup.3 stands for a hydrogen atom or mono-valent hydrocarbon group containing 1 to 40 carbon atoms, R.sup.4 stands for a methyl group or phenyl group at least 90 molar % of which is the methyl group, R.sup.5 stands for a hydrogen atom or mono-valent organic group, n is 1, 2 or 3, m is 0 or 1, x + y is 6 to 200 and y/x is 1/100 to 40/100 and w is 5 to 50. 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: 3425974 (1969-02-01), Semroc
patent: 3511178 (1970-05-01), Curtin
patent: 3617266 (1971-11-01), Williams et al.
patent: 3632375 (1972-01-01), Gipe
patent: 3677178 (1972-07-01), Gipe
patent: 3775115 (1973-11-01), Sorkin et al.

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