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US 12,753,277 B2Granted
Polycarbonate, and method for preparing same
AssigneeLG Chem, Ltd.
InventorsJaemyeng Jeong, Hoyong Lee, Cheol Jun Song, Bethy Kim, Seoyoung Im, Hanbit Jang
Life of this patent
Estimating the term…
Abstract
The present application relates to a polycarbonate including a unit represented by Chemical Formula 1a; and a unit represented by Chemical Formula 1b, a composition including the same and a molded article prepared from the composition.
Claims14
A polycarbonate comprising a unit represented by the following Chemical Formula 1a;
- and a unit represented by the following Chemical Formula 1b:
- in Chemical Formulae 1a and 1b,
- wherein A is a substituted or unsubstituted phenylene;
- or an arylene in which two or more substituted or unsubstituted benzene rings are linked by a single bond or condensed,
- L1 and L2 are the same as or different from each other, and are each a substituted or unsubstituted straight-chained or branched alkylene,
- L3 and L4 are the same as or different from each other, and are each one selected from a substituted or unsubstituted straight-chained or branched alkylene, a substituted or unsubstituted cycloalkylene and a substituted or unsubstituted arylene, or a divalent group in which two or more of them are linked by a single bond, and
- L5 and L6 are the same as or different from each other, and are each a single bond;
- or one selected from a substituted or unsubstituted straight-chained or branched alkylene, a substituted or unsubstituted cycloalkylene and a substituted or unsubstituted arylene, or a divalent group in which two or more of them are linked by a single bond,
- units of Chemical Formula 1a included in the polycarbonate are the same as or different from each other,
- units of Chemical Formula 1b included in the polycarbonate are the same as or different from each other, and
- * means a site linked to the main chain of the polycarbonate.
8 more elements
Dependencies are inferred from the claim text.