Copolycarbonate resin and article including the same
AssigneeLG Chem, Ltd.
InventorsJung Jun Park, Min Jeong Kim, Un Ko, Ki Jae Lee, Moo Ho Hong, Hyong Min Bahn, Byoung Kyu Chun, Young Young Hwang
Life of this patent
Estimating the term…
Abstract
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.
Claims15
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′″ or
- n 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′″ or
- m is an integer of 1 to 99;
- and R′″ is an alkyl group having 1 to 12 carbon atoms.
A method of preparing a copolycarbonate resin by interfacial polymerization of 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′″ or
- n 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″″ or
- m is an integer of 1 to 99;
- and R″″ is an alkyl group having 1 to 12 carbon atoms.
Dependencies are inferred from the claim text.