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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.:

US 9777112 B1

PDFFull Text
Date of Patent:
Oct. 03, 2017

Filed:

Dec. 03, 2015

Copolycarbonate resin composition

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jung Jun Park, Daejeon, KR;

Young Young Hwang, Daejeon, KR;

Moo Ho Hong, Daejeon, KR;

Hyong Min Bahn, Daejeon, KR;

Hee Yong Park, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

David Buttner

Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08G 64/18 (2006.01); C08G 64/08 (2006.01); C08G 64/38 (2006.01); C08G 77/448 (2006.01); C08J 5/00 (2006.01); C08G 64/16 (2006.01); C08G 64/06 (2006.01); C08G 64/30 (2006.01); C08K 5/3475 (2006.01); C08L 83/04 (2006.01); C08G 64/24 (2006.01); C08L 83/10 (2006.01);
U.S. Cl.
CPC ...
C08G 64/085 (2013.01); C08G 64/06 (2013.01); C08G 64/1666 (2013.01); C08G 64/1691 (2013.01); C08G 64/18 (2013.01); C08G 64/186 (2013.01); C08G 64/24 (2013.01); C08G 64/307 (2013.01); C08G 64/38 (2013.01); C08G 77/448 (2013.01); C08J 5/00 (2013.01); C08K 5/3475 (2013.01); C08L 69/00 (2013.01); C08L 69/005 (2013.01); C08L 83/04 (2013.01); C08L 83/10 (2013.01); C08L 2201/10 (2013.01); C08L 2205/02 (2013.01); C08L 2205/025 (2013.01);
Abstract

Disclosed is a copolycarbonate composition including: a copolycarbonate having an aromatic polycarbonate-based first repeating unit and one or more aromatic polycarbonate-based second repeating units having siloxane bonds; and a polycarbonate, where the copolycarbonate composition has an impact strength at room temperature of 830 to 1000 J/m as measured at 23 ° C. in accordance with ASTM D256 (⅛ inch, Notched Izod), where the one or more aromatic polycarbonate-based second repeating units having siloxane bonds include a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3: and where the copolycarbonate composition satisfies the following Equation 1:1.0682×+0.51<<1.0682×+1.2.  [Equation 1] The copolycarbonate composition provides an improved mobility.

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