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US 9,580,597 B2Granted
Polycarbonate composition and article comprising the same
AssigneeLG Chem, Ltd.
InventorsYoon Seon Jeong, Moo Seok Lee, Ryul Lee, Sung Tae Ahn, Ik Hwan Cho
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Abstract
The present invention relates to a polycarbonate composition including a polycarbonate and an impact reinforcing agent, and an inorganic filler to improve a mechanical property thereof, and a copolycarbonate to solve a problem of appearance defect caused by including the inorganic filler.
Claims12
A polycarbonate composition comprising:
- a polycarbonate,
- an impact reinforcing agent,
- a copolycarbonate comprising an aromatic polycarbonate-based first repeating unit;
- and one or more aromatic polycarbonate-based second repeating units having siloxane bonds, and
- an inorganic filler,
- wherein the first repeating unit is represented by Chemical Formula 1 below, and
- the second repeating unit comprises a repeating unit represented by Chemical Formula 2 below and a repeating unit represented by Chemical Formula 3 below:
- in the Chemical Formula 1,
- R1, R2, R3 and R4 are each independently hydrogen, C1-10 alkyl, C1-10 alkoxy, or halogen, and
- Z is C1-10 alkylene unsubstituted or substituted with phenyl, C3-15 cycloalkylene unsubstituted or substituted with C1-10 alkyl, O, S, SO, SO2, or CO,
- in the Chemical Formula 2,
- X1 is each independently C1-10 alkylene,
- R5 is each independently hydrogen;
- C1-15 alkyl unsubstituted or substituted with oxiranyl, oxiranyl-substituted C1-10 alkoxy, or C6-20 aryl;
- halogen;
- C1-10 alkoxy;
- allyl;
- C1-10 haloalkyl;
- or C6-20 aryl, and
- n is an integer of 10 to 200,
- in the Chemical Formula 3,
- X2 is each independently C1-10 alkylene,
- Y1 is each independently hydrogen, C1-6 alkyl, halogen, hydroxy, C1-6 alkoxy, or C6-20 aryl,
- R6 is each independently hydrogen;
- C1-15 alkyl unsubstituted or substituted with oxiranyl, oxiranyl-substituted C1-10 alkoxy, or C6-20 aryl;
- halogen;
- C1-10 alkoxy;
- allyl;
- C1-10 haloalkyl;
- or C6-20 aryl, and
- m is an integer of 10 to 200.
28 more elements
Dependencies are inferred from the claim text.