	US 12,234,359 B2
	Plastic composite resin composition, a method of manufacturing a plastic molded article, and a plastic molded article for radar absorption manufactured using the method
Byung Kyu Cho, Seoul (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed on Nov. 9, 2021, as Appl. No. 17/522,753.
Claims priority of application No. 10-2021-0062551 (KR), filed on May 14, 2021.
Prior Publication US 2022/0363897 A1, Nov. 17, 2022
Int. Cl. C08J 9/08 (2006.01); C08L 77/02 (2006.01)

CPC C08L 77/02 (2013.01) [C08J 9/08 (2013.01); C08J 2203/02 (2013.01); C08J 2377/02 (2013.01); C08J 2423/04 (2013.01)]

3 Claims

1. A method of manufacturing a plastic molded article for radar absorption, the method comprising:

preparing a plastic composite resin composition comprising a plastic resin and a filler, wherein the plastic resin comprises polyamide;

adding a foaming agent to the plastic composite resin, followed by mixing and injection molding, thus forming a molded article; and

manufacturing a foaming molded article by performing foaming using the foaming agent to form pores in the molded article,

wherein the pores have a long axis length of 0.3 to 1.0 mm.