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US 10,364,327 B2Granted
Polyorganosiloxane and copolycarbonate prepared by using the same
AssigneeLG Chem, Ltd.
InventorsYoung Young Hwang, Hyong Min Bahn, Jung Jun Park, Ki Jae Lee, Moo Ho Hong
Life of this patent
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Abstract
The present invention relates to a novel polyorganosiloxane capable of producing a copolycarbonate having improved chemical resistance and flame retardancy while maintaining the intrinsic physical properties of a polycarbonate resin and to a copolycarbonate prepared by using the same.
Claims10
A polyorganosiloxane represented by Chemical Formula 2:
- B-A-B [Chemical Formula 2]
- wherein, in Chemical Formula 2,
- A is a divalent functional group containing C6-20 arylene,
- B is
- each of R1 is 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,
- R2 is C1-15 alkyl substituted with one to three fluoro,
- each of R3 is independently hydrogen, C1-6 alkyl, halogen, hydroxy, C1-6 alkoxy, or C6-20 aryl,
- X is —CO—, or —CO—(C6-10 arylene)-CO—,
- Y is C1-10 alkylene,
- Z is a bond, or —COO—,
- n is an integer of 1 to 2000, and
- m is an integer of 1 to 2,000.
15 more elements
A copolycarbonate comprising (i) a repeating unit represented by Chemical Formula 4, and (ii) a repeating unit represented by Chemical Formula 5,
- wherein the copolycarbonate has a weight average molecular weight of 1,000 to 1,000,000 g/mol:
- wherein, in Chemical Formula 4,
- A is a divalent functional group containing C6-20 arylene,
- each of R1 is 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,
- R2 is C1-15 alkyl substituted with one to three fluoro,
- each of R3 is independently hydrogen, C1-6 alkyl, halogen, hydroxy, C1-6 alkoxy, or C6-20 aryl,
- X is —CO—, or —CO—(C6-10 arylene)-CO—,
- Y is C1-10 alkylene,
- Z is a bond, or —COO—,
- n is an integer of 1 to 2000, and
- m is an integer of 1 to 2,000,
- wherein, in Chemical Formula 5,
- R5 to R8 are each independently hydrogen, C1-10 alkyl, C1-10 alkoxy, or halogen, and
- Z1 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.
17 more elements
Dependencies are inferred from the claim text.