Acoustic ink compositions

摘要

An ink composition comprised of a colorant and a vehicle of a poly(alkylene oxide)-alkylate (I), a poly(alkylene oxide)-dialkylate (II), a polyoxa-alkanoate ester (III), or a polyoxa-alkanedioate diester (IV), and which ink possesses a viscosity of from about 1 centipoise to about 15 centipoise at a temperature of from about 125 DEG C. to about 165 DEG C., and which vehicle is of the formulas ylene, and n is an integer of from about 2 to about 20.