公开(公告)号：US20180079911A1

公开(公告)日：2018-03-22

申请号：US15698809

申请日：2017-09-08

Applicant: SOMAR CORPORATION

Inventor： Masaaki Toyoda

IPC: C09D5/03 ,  C09D163/00

CPC classification number: C09D5/031 ,  C08G59/245 ,  C08L51/006 ,  C09D5/032 ,  C09D5/033 ,  C09D7/61 ,  C09D7/65 ,  C09D7/68 ,  C09D7/69 ,  C09D163/00 ,  C08K3/36 ,  C08L53/00

Abstract: An epoxy resin powder coating material is provided, by which, while workability and coating property are not deteriorated, a coating film having excellent heat cycle resistance can be formed also on recent metal parts having a configuration of intricately combining a plurality of different kinds of metals of different material qualities and required to have high-standard performance. The epoxy resin powder coating material is manufactured by blending a spherical inorganic particle and acryl-based core shell type particle having an average particle diameter of 16 to 50 μm in a bisphenol A-type epoxy resin, wherein an average particle diameter of the acryl-based core shell type particle is preferably 0.1 to 0.4 μm.

公开(公告)号：US11608448B2

公开(公告)日：2023-03-21

申请号：US17204151

申请日：2021-03-17

Applicant: SOMAR CORPORATION

Inventor： Masaaki Toyoda ,  Fumiyuki Sasaki

IPC: C09D163/00

Abstract: There is provided a thermosetting powder coating material capable of forming a cured product having excellent workability at coating and high plasticity as well as heat resistance, resulting in heat resistance and crack resistance at bending processing. (A) denotes a bisphenol type epoxy resin having epoxy equivalent weight of 600 to 800 g/eq (not including 800 g/eq), (B) a rubber-modified epoxy resin, (C) a bisphenol type phenyl resin curing agent (D) a compound for activating (C), (D1) an imidazole compound and (D2) an amine-epoxy adduct type compound. The thermosetting powder coating material is composed of a finely pulverized composition. The composition comprises (A), (C) and (D) but does not comprise (B). (D) comprises (D1) and (D2), and a weight ratio of (D2) with respect to (D1) is 1.0 or more and 3.7 or less when (D1) is 1.

公开(公告)号：US10407575B2

公开(公告)日：2019-09-10

申请号：US15698809

申请日：2017-09-08

Applicant: SOMAR CORPORATION

Inventor： Masaaki Toyoda

IPC: C09D163/02 ,  C09D5/03 ,  C08G59/24 ,  C09D163/00 ,  C09D7/61 ,  C09D7/65 ,  C09D7/40 ,  C08L51/00

Abstract: An epoxy resin powder coating material is provided, by which, while workability and coating property are not deteriorated, a coating film having excellent heat cycle resistance can be formed also on recent metal parts having a configuration of intricately combining a plurality of different kinds of metals of different material qualities and required to have high-standard performance. The epoxy resin powder coating material is manufactured by blending a spherical inorganic particle and acryl-based core shell type particle having an average particle diameter of 16 to 50 μm in a bisphenol A-type epoxy resin, wherein an average particle diameter of the acryl-based core shell type particle is preferably 0.1 to 0.4 μm.