POLYCARBONATE TERPOLYMER, METHOD FOR PREPARING THE SAME AND MOLDED ARTICLE USING THE SAME

PURPOSE: A polycarbonate terpolymer is provided to maintain the properties of polycarbonate and to improve flowability and thermal stability in a melt state. CONSTITUTION: A polycarbonate terpolymer comprises a repeating unit indicated in chemical formula 1, a repeating unit indicated in chemical fo...

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Hauptverfasser: PARK, SANG HYUN, OH, BYOUNG HO, LEE, SU RAN, SONG, SEON JA, CHOI, GWANG HO, SUH, DONG HACK, PARK, KWAN HWI, KO, YOUNG KOAN, AHN, HONG JUN
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:PURPOSE: A polycarbonate terpolymer is provided to maintain the properties of polycarbonate and to improve flowability and thermal stability in a melt state. CONSTITUTION: A polycarbonate terpolymer comprises a repeating unit indicated in chemical formula 1, a repeating unit indicated in chemical formula 2, and a repeating unit indicated in chemical formula 3. In chemical formula 1, each of R1 and R2 is selected from C1-20 alkyl group, C4-20 cycloalkyl group, and C6-20 aryl group; each of a and b is an integer from 0-4; X is a chemical bond or selected from an oxygen atom, sulfur atom, -SO2-, C1-20 aliphatic radical, or -CR3R4-.