EXCELLENTLY SCRATCH-RESISTANT ONE-PART CLEAR COATING COMPOSITION FOR AUTOMPBILE OBTAINED BY APPLYING SILANE-MODIFIED BLOCKED ISOCYANATE

摘要

PROBLEM TO BE SOLVED: To provide an excellently scratch-resistant clear coating material for automobiles.SOLUTION: A highly excellently scratch-resistant one-part clear coating composition includes: 35-45 wt.% of an acrylic resin; 20-25 wt.% of a melamine resin; 5-10 wt.% of a silane-modified blocked isocyanate resin; 10-20 wt.% of a flow control resin; 0.2-0.3 wt.% of a leveling agent; 1.0-1.5 wt.% of a UV ray absorber; 0.3-0.6 wt.% of a UV stabilizer; 2-3 wt.% of a reaction accelerator; and 12-15 wt.% of a solvent.