UNSATURATED COMPOUND AND PREPARATION THEREOF

摘要

NEW MATERIAL:An acrylic acid or methacrylic acid ester of a condensate of a diol with epsilon-caprolactone expressed by formula I (R1 is H or CH3; R2 is CH3, C2H5 or C3H7; average values of m and n are respectively numbers 0-15; average total value of m+n is a number 1-30). USE:A vehicle for inks or ink compositions curable by a means of radiation or heat. PROCESS:A compound expressed by formula II is esterified with acrylic acid or methacrylic acid to give the aimed compound expressed by formula I .