US 12,351,680 B2
Polycarbonate resin composition
Kohei Yoshiya, Tokyo (JP)
Assigned to MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo (JP)
Appl. No. 18/279,102
Filed by MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo (JP)
PCT Filed Mar. 2, 2022, PCT No. PCT/JP2022/008715
§ 371(c)(1), (2) Date Aug. 28, 2023,
PCT Pub. No. WO2022/186234, PCT Pub. Date Sep. 9, 2022.
Claims priority of application No. 2021-034794 (JP), filed on Mar. 4, 2021.
Prior Publication US 2024/0166809 A1, May 23, 2024
Int. Cl. H01B 1/20 (2006.01); C08G 64/04 (2006.01); C08G 64/16 (2006.01); C08L 69/00 (2006.01); C09D 11/102 (2014.01); C09D 169/00 (2006.01); C09J 169/00 (2006.01)
CPC C08G 64/16 (2013.01) [C08L 69/00 (2013.01); C09D 11/102 (2013.01); C09D 169/00 (2013.01); C09J 169/00 (2013.01); H01B 1/20 (2013.01)] 16 Claims
 
1. A polycarbonate resin composition comprising a polycarbonate resin (A) comprising a structural unit represented by General formula (1) below and a silane coupling agent (B) represented by General formula (2) below, wherein
the polycarbonate resin composition comprises 0.06 parts by mass or more of the silane coupling agent (B) per 100 parts by mass of the polycarbonate resin (A):

OG Complex Work Unit Chemistry
(in Formula (1),
R1-R4 each independently represent hydrogen, fluorine, chlorine, bromine, iodine, or an optionally substituted C1-C20 alkyl group, C6-C12 aryl group, C2-C12 alkenyl group, C1-C5 alkoxy group, or C7-C17 aralkyl group,
X represents a single bond, —O—, —S—, —SO—, —SO2—, —CO—, or a divalent group represented by any of General formulae (4)-(9) below),

OG Complex Work Unit Chemistry
(in General formula (4), R8-R17 each independently represent hydrogen or a C1-C3 alkyl group, where at least one of R8-R17 represents a C1-C3 alkyl group; and
in General formulae (5) to (9),
R18 and R19 each independently represent hydrogen, a halogen, an optionally substituted C1-C20 alkyl group, an optionally substituted C1-C5 alkoxy group, an optionally substituted C6-C12 aryl group, an optionally substituted C7-C17 aralkyl group, or an optionally substituted C2-C15 alkenyl group, or
R18 and R19 bind with each other to form a C3-C20 carbon ring or a C1-C20 heterocyclic ring,
R20 represents an optionally substituted C1-C9 alkylene group,
c represents an integer from 0 to 20, and
d represents an integer from 1 to 500);

OG Complex Work Unit Chemistry
(in General formula (2),
R21 represents a C1-C4 alkylene group or a phenylene group,
R22 each independently represent a C1-C4 alkyl group,
R23 each independently represent a hydroxyl group or a C1-C4 alkyl group,
Y represents an active group comprising an epoxy group, an isocyanate group, a vinyl group, a styryl group, an acryloyl group, a ureido group, an isocyanurate group, or a mercapto group, and
m each independently represent an integer from 1-3),
wherein the terminal structure of the polycarbonate resin (A) is represented by General formula (3) below:

OG Complex Work Unit Chemistry
(in General formula (3),
R5 each independently represent a C1-C8 alkyl group, which may be substituted by a hydroxyl group, and
n represents an integer from 0 to 5),
the polycarbonate resin (A) comprises the terminal structure (3) represented by General formula (3) at a percentage of 0.5 mol % or more and 12 mol % or less, based on the total moles of the structural unit represented by General formula (1) and the terminal structure (3); and
the polycarbonate resin composition comprises no photoinitiator or polymerization precursor.