Patent ID: 9732186
Date: 2017-08-15
CPC Classifications: C08G,C08L

Claim:
1. A polycarbonate composition comprising: a copolycarbonate; and a polycarbonate, wherein the copolycarbonate has a weight average molecular weight of 1,000 to 100,000 g/mol, which comprises: in the above Formula 1, each of R Z is C in the above Formula 2, each of Ra is independently C each of R n is an integer of 1 to 40, in the above Formula 3, each of Rb is independently C each of R m is an integer of 41 to 85, wherein a ratio of the weight of the repeating unit represented by Formula 1 to the total weight of the repeating units represented by Formula 2 and Formula 3 is 1:0.04 to 1:0.07, and wherein a weight ratio of the copolycarbonate and the polycarbonate is from 80:20 to 50:50.