Copolycarbonate resin and article including the same

摘要

According to the present disclosure, a copolycarbonate being economically prepared, and having improved low-temperature impact strength with improved transparency and flowability which are conflicting properties with each other, simultaneously, and a molded article including the same, may be provided.

主权项

1. A copolycarbonate resin polymerized with an aromatic diol compound, a carbonate precursor and a siloxane compound, wherein the siloxane compound is a mixture of a compound represented by following Chemical Formula 1 and a compound represented by following Chemical Formula 2: wherein R is independently hydrogen or an alkyl group having 1 to 13 carbon atoms; Ra is an alkylene group having 1 to 10 carbon atoms; Y is an alkyl group having 1 to 6 carbon atoms, hydrogen (H), halogen, a hydroxy group, an alkoxy group or an aryl group having 6 carbon atoms or more; -Q is —OH, —OR′″ orn is an integer of 1 to 99; and R′″ is an alkyl group having 1 to 12 carbon atoms; wherein R′ is independently hydrogen or an alkyl group having 1 to 13 carbon atoms; R″ is an alkylene group having 1 to 10 carbon atoms; X is an alkylene group having 1 to 6 carbon atoms, hydrogen (H), halogen, a hydroxy group, an alkoxy group or an aryl group having 6 carbon atoms or more; -Q′ is —OH, —OR′″ orm is an integer of 1 to 99; and R′″ is an alkyl group having 1 to 12 carbon atoms.