Powder coating composition having high weather resistance
AssigneeDaikin Industries, Ltd.
InventorsNobuhiko Tsuda, Ryuji Iwakiri, Ryoichi Fukagawa, Keisuke Tano, Daisuke Tanizawa
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Abstract
A powder coating composition which comprises (A) a fluorine-containing copolymer having a crosslinkable reactive group and (B) a curing agent being capable of forming crosslinkage by reacting with the crosslinkable reactive group of the fluorine-containing copolymer in a weight ratio (A)/(B) of 40/60 to 98/2, and contains rutile titanium oxide and other pigment. The powder coating composition can form a coating film which can exhibit excellent weather resistance even under very strict environment specified in AAMA 2605 standard, etc., and is suitable particularly for an exterior member for building, for example, an aluminum sash.
Claims13
A powder coating composition which comprises (A) a fluorine-containing copolymer having a crosslinkable reactive group and (B) a curing agent being capable of forming crosslinkage by reacting with the crosslinkable reactive group of the fluorine-containing copolymer in a weight ratio (A)/(B) of 40/60 to 98/2, and contains rutile titanium oxide and an organic pigment and/or inorganic pigment, wherein a particle size ratio of said titanium oxide to other pigment is from 1/0.01 to 1/20.
Dependencies are inferred from the claim text.