	US 12,441,883 B2
	Continuous fiber reinforced resin composite material and method of producing same, and continuous fiber reinforced resin molded article
Yusuke Aratani, Tokyo (JP); Tsutomu Akiyama, Tokyo (JP); and Toru Koizumi, Tokyo (JP)
Assigned to ASAHI KASEI KABUSHIKI KAISHA, Tokyo (JP)
Appl. No. 17/907,405
Filed by ASAHI KASEI KABUSHIKI KAISHA, Tokyo (JP)
PCT Filed Mar. 16, 2021, PCT No. PCT/JP2021/010660 § 371(c)(1), (2) Date Sep. 27, 2022, PCT Pub. No. WO2021/193248, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 2020-058693 (JP), filed on Mar. 27, 2020.
Prior Publication US 2023/0117001 A1, Apr. 20, 2023
Int. Cl. C08L 77/06 (2006.01); C08J 5/24 (2006.01)

CPC C08L 77/06 (2013.01) [C08J 5/243 (2021.05); C08J 5/244 (2021.05); C08J 2377/06 (2013.01); C08J 2477/00 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2207/04 (2013.01)]

19 Claims

1. A continuous fiber reinforced resin composite material comprising continuous reinforcing fibers and a thermoplastic resin, wherein

the thermoplastic resin comprises 50 to 99 parts by mass of (A) an aliphatic polyamide and 1 to 50 parts by mass of (B) a semi-aromatic polyamide containing a dicarboxylic acid unit which contains at least 75 mol % of an isophthalic acid unit, and a diamine unit which contains at least 50 mol % of a diamine unit having a carbon number of 4 to 10, and

a peak temperature of tan δ at an interface between the continuous reinforcing fibers and the thermoplastic resin in the continuous fiber reinforced resin composite material is 80° C. or higher.