Lg Chem, Ltd

Daehyeon Hwang

Mooho Hong

Youngwook Son

Byoungkue Jeon

Young Young Hwang

Moo Ho Hong

Hyong Min Bahn

Ki Jae Lee

Un Ko

Young Wook Son

Young In Yang

Jungmoon Bae

Sugil Yum

Dayoung Lee

Provided are a diol compound which may be used to prepare a polycarbonate having excellent weather resistance, hardness, heat resistance, transparency, impact resistance, etc. while having excellent mechanical properties, a polycarbonate prepared by using the same, and a preparation method thereof.

Diol compound, polycarbonate, and preparation method thereof

Provided is a polycarbonate resin composition and a molded product comprising same. The polycarbonate resin composition comprises a linear polycarbonate resin, a branched polycarbonate resin, a fluorinated sulfonate-based metal salt, a phenyl methyl silicone oil, and a phenyl methyl silicone resin. The linear polycarbonate resin and branched polycarbonate resin include a repeating unit of the following Chemical Formula 1:

Polycarbonate resin composition and article including the same

Provided are a polycarbonate resin composition comprising a polycarbonate resin, pentaerythritol tetrastearate, a black dye, and a blue dye, and an optical molded product comprising same.

Polycarbonate resin composition and optical molded product including the same

Provided are a copolycarbonate and a polycarbonate composition comprising the same. The copolycarbonate comprises repeat units of the following Chemical Formula 1 and repeat units of the following Chemical Formula 2: Chemical Formula 1  Chemical Formula 2 

Copolycarbonate and polycarbonate composition comprising the same

Provided is a copolycarbonate comprising a first repeating unit of Chemical Formula 1, a second repeating unit of Chemical Formula 2, and a terminal capping group of Chemical Formula 3: Also provided are a method of preparing the copolycarbonate and a molded article including the copolycarbonate.

Copolycarbonate and method for preparing the same

Provided are a polycarbonate resin composition comprising a polycarbonate resin, a black colorant, a yellow colorant, and at least one ultraviolet absorber selected from the group consisting of a benzotriazole-based compound, a benzophenone-based compound, and a triazine-based compound, and an optical molded article composed thereof.

Growing community of inventors

Daejeon, South Korea

Daehyeon Hwang