C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/03 (2006.01) C08G 59/18 (2006.01) C09D 163/00 (2006.01)
Patent
CA 2043288
POWDER COATING COMPOSITION AND PROCESS FOR PREPARING SAME Abstract of the Disclosure A powder coating composition includes one or more crystalline substances the lowest melting point of which is Mp and one or more non-crystalline substances the lowest glass transition point of which is Tg and is lower than Mp, wherein the crystalline and non-crystalline substances are selected from epoxy resins and curing agents and bonded to each other. The bonding is effected by maintaining a powdery mixture containing the crystalline and non-crystalline substances at a temperature higher than Tg but lower than Mp and the softening point of any of the the non-crystalline substances, optionally under a pressure, and cooling and pulverizing the resulting mixture.
Kitagawa Katuji
Kubo Masao
Miyake Tetsuo
Ono Kazuya
Osa Mikio
Sim & Mcburney
Somar Corporation
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