US 11,834,572 B2
Polyvinylidene fluoride resin composition and molded article
Tatsuaki Miyashita, Tokyo (JP); and Kazuyuki Suzuki, Tokyo (JP)
Assigned to KUREHA CORPORATION, Tokyo (JP)
Appl. No. 17/309,864
Filed by Kureha Corporation, Tokyo (JP)
PCT Filed Oct. 17, 2019, PCT No. PCT/JP2019/040818
§ 371(c)(1), (2) Date Jun. 24, 2021,
PCT Pub. No. WO2020/137108, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 2018-245944 (JP), filed on Dec. 27, 2018.
Prior Publication US 2022/0064426 A1, Mar. 3, 2022
Int. Cl. C08L 27/16 (2006.01); C08K 5/42 (2006.01); C08K 5/19 (2006.01)
CPC C08L 27/16 (2013.01) [C08K 5/19 (2013.01); C08K 5/42 (2013.01); C08L 2201/10 (2013.01)] 6 Claims
 
1. A polyvinylidene fluoride resin composition comprising a polyvinylidene fluoride, the polyvinylidene fluoride resin composition comprising
an alkyl quaternary ammonium sulfate,
an alkali metal concentration in the polyvinylidene fluoride resin composition being 2.1 ppm or less, and
a hydrogen fluoride concentration in the polyvinylidene fluoride being 0.15 ppm or more and 1 ppm or less.