POSCO Holdings Inc.
Resin composition, black resin coated steel sheet using same, and method of preparing same

Abstract:

The present invention relates to a resin composition comprising 40% to 50% by weight of a polyester resin on the basis of a total of 100% by weight of the composition, the polyester resin comprising a main resin and an auxiliary resin, wherein the main resin has a higher molecular weight than the auxiliary resin, and the difference of a glass transition temperature between the main resin and the auxiliary resin is 25.degree. C. or less.