| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyisocyanurate-modified isocyanate composition which, even when diluted with an aliphatic solvent containing a carbonyl group such as methyl ethyl ketone and methyl isobutyl ketone, does not turn yellow or become cloudy by overheating or with time, and to provide an efficient production method thereof.SOLUTION: Provided is a polyisocyanurate-modified isocyanate composition obtained by: reacting an aliphatic diisocyanate and/or an alicyclic diisocyanate with a hydroxyl group-containing compound; thereafter isocyanurating the diisocyanate using an isocyanurating catalyst and adding a terminating agent thereto to terminate the reaction; and eliminating unreacted portion of the diisocyanate by adding 1.0×10to 5.0×10mol/g of an additive represented by a formula (1): R-SO-NH-CO-R(1).SELECTED DRAWING: None |
