PURPOSE: To provide the titled composition having high solid content and giving a cured coating film having excellent flexibility and stain resistance, by using a specific mixture of a vinyl polymer, a polyester resin, etc., and an aminoplast resin and a polyisocyanate compound as main components.
CONSTITUTION: The objective composition contains (A) 90W50(wt)% mixed resin composed of (i) 60W95% vinyl polymer having a glass transition temperature of ≥40°C, number-average molecular weight of 800W3,000, a hydroxyl value of 60W 250 and an acid value of 5W40 and (ii) 40W5% polyester resin, alkyd resin and/ or vinyl polymer having a glass transition temperature of ≤15°C, a number- average molecular weight of 500W2,000 and a hydroxyl value of 50W500 and (B) 10W50% alkyl-etherified aminoplast resin and/or a polyisocyanate compound, as main components.
MORITA TOSHIAKI
MORI KAORU
OZAWA HIROSHI
