US 12,435,216 B2
Phenol resin composition
Yuki Ochiai, Tokyo (JP); and Shunsuke Mochizuki, Tokyo (JP)
Assigned to SUMITOMO BAKELITE CO., LTD., Tokyo (JP)
Appl. No. 17/631,712
Filed by SUMITOMO BAKELITE CO., LTD., Tokyo (JP)
PCT Filed Aug. 6, 2020, PCT No. PCT/JP2020/030220
§ 371(c)(1), (2) Date Jan. 31, 2022,
PCT Pub. No. WO2021/025124, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 2019-146715 (JP), filed on Aug. 8, 2019.
Prior Publication US 2022/0267586 A1, Aug. 25, 2022
Int. Cl. C08L 61/06 (2006.01)
CPC C08L 61/06 (2013.01) [C08L 2205/025 (2013.01); C08L 2205/035 (2013.01)] 14 Claims
 
1. A phenol resin composition used in a resin molded body for which a plating process is applied to a surface, the phenol resin composition comprising the following components (A), (B) and a filler other than the component (B):
(A) a phenol resin; and
(B) calcium carbonate,
wherein the content of the component (B) in the resin composition is 1% by mass or more and 50% by mass or less with respect to the entire resin composition,
an average particle diameter d50 of the component (B) is 0.5 μm or more and 20 μm or less, and
the content of the filler other than the component (B) in the resin composition is 0.5% by mass or more and 50% by mass or less with respect to the entire resin composition.