US 11,873,370 B2
Polycarbonate resin composition, molded article, and multilayer body
Shingo Namiki, Tokyo (JP); Yuuichi Hirami, Tokyo (JP); Tomoaki Kanemasa, Tokyo (JP); Taiki Shimada, Tokyo (JP); Masato Ando, Tokyo (JP); Akira Kosuge, Tokyo (JP); Shigeki Ohta, Tokyo (JP); Yuuichirou Kutsunugi, Tokyo (JP); and Asami Kakiuchi, Tokyo (JP)
Assigned to MITSUBISHI CHEMICAL CORPORATION, Chiyoda-ku (JP)
Appl. No. 16/972,880
Filed by MITSUBISHI CHEMICAL CORPORATION, Chiyoda-ku (JP)
PCT Filed Jun. 10, 2019, PCT No. PCT/JP2019/022919
§ 371(c)(1), (2) Date Dec. 7, 2020,
PCT Pub. No. WO2019/235644, PCT Pub. Date Dec. 12, 2019.
Claims priority of application No. 2018-110424 (JP), filed on Jun. 8, 2018; application No. 2019-098659 (JP), filed on May 27, 2019; and application No. 2019-098675 (JP), filed on May 27, 2019.
Prior Publication US 2021/0253788 A1, Aug. 19, 2021
Int. Cl. C08G 64/02 (2006.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); C08G 64/06 (2006.01); C08G 64/30 (2006.01); C08L 33/08 (2006.01)
CPC C08G 64/0208 (2013.01) [B32B 27/08 (2013.01); B32B 27/365 (2013.01); C08G 64/06 (2013.01); C08G 64/305 (2013.01); C08L 33/08 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2307/732 (2013.01); B32B 2333/08 (2013.01); B32B 2369/00 (2013.01); B32B 2605/08 (2013.01); C08L 2203/30 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A polycarbonate resin composition, comprising:
a first polycarbonate resin comprising at least 40% by weight of a structural unit of the formula (1);

OG Complex Work Unit Chemistry
a second polycarbonate resin comprising from 1% to less than 40% by weight of the structural unit of the formula (1),
wherein a weight ratio of the first polycarbonate resin to the second polycarbonate resin, as first polycarbonate resin/second polycarbonate resin, is from 55/45 to 99/1, and
wherein the polycarbonate resin composition has at least two glass transition temperatures.