Back to results
US 2020/0239691 A1Published application
Polycarbonate resin composition and optical molded product including the same
AssigneeLG Chem, Ltd.
InventorsByoungkue JEON, Youngwook SON, Daehyeon HWANG, Mooho HONG
Life of this patent
Estimating the term…
Abstract
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.
Claims9
A polycarbonate resin composition, comprising a polycarbonate resin having a melt flow rate (MFR) of 5 to 15 g/10 min according to ASTM D1238, pentaerythritol tetrastearate, a black dye, and a blue dye, wherein:
- transmittance at 410 nm according to ASTM D1003 is 7% or less, and
- wherein a change in yellowness index (ΔYI) expressed by the following
- ΔYI=YI (340° C.)−YI (285° C.) [General Equation 1]
- wherein YI is the yellowness index value measured according to ASTM D1925 at the corresponding temperature.
1 more element
Dependencies are inferred from the claim text.