Patent ID: 11859047
Assignee: LG CHEM, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 4:
5. The polycarbonate resin composition of claim 4, wherein the second repeating unit is derived from one or more branching agents selected from the group consisting of 1,1,1-tris(4-hydroxyphenyl)ethane, 1,3,5-tris-(2-hydroxyethyl)cyanuric acid, 4,6-dimethyl-2,4,6-tris-(4-hydroxyphenyl)-heptane-2,2,2-bis[4,4′-(dihydroxyphenyl)cyclohexyl]propane, 1,3,5-trihydroxybenzene, 1,2,3-trihydroxybenzene, 1,4-bis-(4′,4″-dihydroxytriphenyl methyl)-benzene, 2′,3′,4′-trihydroxyacetophenone, 2,3,4-trihydroxybenzoic acid, 2,3,4,-trihydroxybenzophenone, 2,4,4′-trihydroxybenzophenone, 2′,4′,6′-trihydroxy-3-(4-hydroxyphenyl)propiophenone, pentahydroxyflavone, 3,4,5-trihydroxyphenylethylamine, 3,4-trihydroxyphenylethylalcohol, 2,4,5-trihydroxypyrimidine, tetrahydroxy-1,4-quinone hydrate, 2,2′,4,4′-tetrahydroxybenzophenone, and 1,2,5,8-tetrahydroxyanthraquinone.