| abstract |
PURPOSE: To provide a powder coating material of the present invention excellent in flowability and triboelectrical chargeability, which comprises a polyester- containing binder and a specific nitrogen-containing additive comprising a tertiary amine or an aminoalcohol. n CONSTITUTION: This coating material comprises (A) a polyester-containing binder and (B) a nitrogen-containing additive comprising a sterically hindered tertiary amine or aminoalcohol. An amine of formula (R 1 , R 2 , R 3 are alkyl or aryl, and at least one of R 1 , R 2 and R 3 is branched alkyl with 3 carbon atoms or more) is preferable as the component B. n COPYRIGHT: (C)1990,JPO |