公开(公告)号：US12110411B2

公开(公告)日：2024-10-08

申请号：US17422533

申请日：2019-11-20

Applicant: KCC CORPORATION

Inventor： Jae Jun Lee ,  Hyeon Ung Wang ,  Jin Seok Lee

IPC: C09D163/00 ,  C09D5/03 ,  C09D7/40 ,  C09D7/61 ,  C08K3/013 ,  C08K3/04 ,  C08K3/22 ,  C08K3/30

CPC classification number: C09D163/00 ,  C09D5/03 ,  C09D7/61 ,  C09D7/69 ,  C08K3/013 ,  C08K3/04 ,  C08K3/22 ,  C08K2003/2241 ,  C08K3/30 ,  C08K2003/3045

Abstract: The present invention relates to a powder coating composition comprising an epoxy resin, a curing agent, a pigment, and a catalyst, wherein the pigment comprises an extender pigment having an average particle size of 1.0 μm to 8.0 μm, and the catalyst comprises an aliphatic imidazole compound and an aromatic imidazole compound.

公开(公告)号：US11084945B2

公开(公告)日：2021-08-10

申请号：US16337486

申请日：2017-10-10

Applicant: KCC CORPORATION

Inventor： Hyeon Ung Wang ,  Jin Seok Lee ,  Sung Hwan Yun

IPC: C09D5/03 ,  C09D7/47 ,  C09D163/00

Abstract: The present invention provides a powder coating composition comprising a diisocyanate-modified bisphenol A epoxy resin, a curing agent, an auxiliary curing agent, an enhancer, and an extender pigment, wherein the auxiliary curing agent comprises an alkanolamine-modified epoxy polyol resin.