The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 2017
Filed:
Dec. 04, 2015
Lg Chem, Ltd., Seoul, KR;
Young Wook Son, Daejeon, KR;
Hyong Min Bahn, Daejeon, KR;
Young Young Hwang, Daejeon, KR;
Jung Jun Park, Daejeon, KR;
Moo Ho Hong, Daejeon, KR;
Ki Jae Lee, Daejeon, KR;
Byoung Kyu Chun, Daejeon, KR;
Un Ko, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed is a polycarbonate composition including a polycarbonate; and a copolycarbonate, where the copolycarbonate includes an aromatic polycarbonate-based first repeating unit; and aromatic polycarbonate-based second repeating units having siloxane bonds, which include a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3, where the copolycarbonate has a melt index (MI) of 3 to 9 g/10min as measured in accordance with ASTM D1238 (300° C., 1.2 kg conditions), and a transparency of 87 to 91% as measured in accordance with ASTM D1003 (layer thickness of 3 mm): The copolycarbonate in the composition exhibits an excellent transparency and a high spiral flow while having a high impact strength at room temperature and a low melt index.