Polycarbonate resin composition

Patent metadata

Field	Value
Publication number	US-9840585-B2
Application number	US-201515023740-A
Country	US
Kind code	B2
Filing date	Nov 16, 2015
Priority date	Dec 4, 2014
Publication date	Dec 12, 2017
Grant date	Dec 12, 2017

Abstract

Disclosed is a polycarbonate resin composition including 1) a copolycarbonate having a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and a repeating unit represented by Chemical Formula 3, and 2) a polycarbonate:

copolycarbonate in the composition provides improved melting properties while maintaining the physical properties of the copolycarbonate to the maximum.

First claim

The invention claimed is:

1. A polycarbonate resin composition comprising:
1) a copolycarbonate comprising a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and a repeating unit represented by Chemical Formula 3, and
2) a polycarbonate:

in Chemical Formula 1,
R 1 , R 2 , R 3 and R 4 are each independently hydrogen, C 1-10 alkyl, C 1-10 alkoxy, or halogen, and
Z is C 1-10 alkylene unsubstituted or substituted with phenyl, C 3-15 cycloalkylene unsubstituted or substituted with C 1-10 alkyl, O, S, SO, SO 2 , or CO,

in Chemical Formula 2,
each of X 1 is independently C 1-10 alkylene,
each of Y 1 is hydrogen,
each of R 5 is independently hydrogen; C 1-15 alkyl unsubstituted or substituted with oxiranyl, oxiranyl-substituted C 1-10 alkoxy, or C 6-20 aryl; halogen; C 1-10 alkoxy; allyl; C 1-10 haloalkyl; or C 6-20 aryl, and
n is an integer of 1 to 200,

in Chemical Formula 3,
each of X 2 is independently C 1-10 alkylene,
each of Y 2 is independently hydrogen, C 1-6 alkyl, halogen, hydroxy, C 1-6 alkoxy, or C 6-20 aryl,
each of R 6 is independently hydrogen; C 1-15 alkyl unsubstituted or substituted with oxiranyl, oxiranyl-substituted C 1-10 alkoxy, or C 6-20 aryl; halogen; C 1-10 alkoxy; allyl; C 1-10 haloalkyl; or C 6-20 aryl, and
m is an integer of 1 to 200,
wherein the weight ratio of the copolycarbonate and the polycarbonate is 20:80 to 80:20, and
wherein the weight ratio between the weight of the repeating unit represented by Chemical Formula 1, and the total weight of the repeating unit represented by Chemical Formula 2 and the repeating unit represented by Chemical Formula 3 (Chemical Formula 1:(Chemical Formula 2+Chemical Formula 3)) is 1:0.04-0.07.

2. The polycarbonate resin composition according to claim 1 , wherein
the polycarbonate comprises a repeating unit represented by the following Chemical Formula 4:

in the Chemical Formula 4,
R′ 1 , R′ 2 , R′ 3 and R′ 4 are each independently hydrogen, C 1-10 alkyl, C 1-10 alkoxy, or halogen, and
Z′ is C 1-10 alkylene unsubstituted or substituted with phenyl, C 3-15 cycloalkylene unsubstituted or substituted with C 1-10 alkyl, O, S, SO, SO 2 or CO.

3. The polycarbonate resin composition according to claim 1 , wherein
the repeating unit represented by Chemical Formula 1 is derived from one or more aromatic diol compounds selected from the group consisting of bis(4-hydroxyphenyl)methane, bis(4-hydroxyphenyl)ether, bis(4-hydroxyphenyl)sulfone, bis(4-hydroxyphenyl)sulfoxide, bis(4-hydroxyphenyl)sulfide, bis(4-hydroxyphenyl)ketone, 1,1-bis(4-hydroxyphenyl)ethane, bisphenol A, 2,2-bis(4-hydroxyphenyl)butane, 1,1-bis(4-hydroxyphenyl)cyclohexane, 2,2-bis(4-hydroxy-3,5-dibromophenyl)propane, 2,2-bis(4-hydroxy-3,5-dichlorophenyl)propane, 2,2-bis(4-hydroxy-3-bromophenyl)propane, 2,2-bis(4-hydroxy-3-chlorophenyl)propane, 2,2-bis(4-hydroxy-3-methylphenyl)propane, 2,2-bis(4-hydroxy-3,5-dimethylphenyl)propane, 1,1-bis(4-hydroxyphenyl)-1-phenylethane, and bis(4-hydroxyphenyl)diphenylmethane.

4. The polycarbonate resin composition according to claim 1 , wherein
the repeating unit represented by Chemical Formula 1 is represented by the following Chemical Formula 1-1:

5. The polycarbonate resin composition according to claim 1 , wherein
the repeating unit represented by Chemical Formula 2 is represented by the following Chemical Formula 2-2:

6. The polycarbonate resin composition according to claim 1 , wherein
the repeating unit represented by Chemical Formula 3 is represented by the following Chemical Formula 3-2:

7. The polycarbonate resin composition according to claim 1 , wherein n is an integer of 10 to 35.

8. The polycarbonate resin composition according to claim 1 , wherein m is an integer of 45 to 100.

9. The polycarbonate resin composition according to claim 1 , wherein the copolycarbonate has a weight average molecular weight of 1,000 to 100,000 g/mol.

10. The polycarbonate resin composition according to claim 2 , wherein
the repeating unit represented by Chemical Formula 4 is derived from one or more aromatic diol compounds selected from the group consisting of bis(4-hydroxyphenyl)methane, bis(4-hydroxyphenyl)ether, bis(4-hydroxyphenyl)sulfone, bis(4-hydroxyphenyl)sulfoxide, bis(4-hydroxyphenyl)sulfide, bis(4-hydroxyphenyl)ketone, 1,1-bis(4-hydroxyphenyl)ethane, bisphenol A, 2,2-bis(4-hydroxyphenyl)butane, 1,1-bis(4-hydroxyphenyl)cyclohexane, 2,2-bis(4-hydroxy-3,5-dibromophenyl)propane, 2,2-bis(4-hydroxy-3,5-dichlorophenyl)propane, 2,2-bis(4-hydroxy-3-bromophenyl)propane, 2,2-bis(4-hydroxy-3-chlorophenyl)propane, 2,2-bis(4-hydroxy-3-methylphenyl)propane, 2,2-bis(4-hydroxy-3,5-dimethylphenyl)propane, 1,1-bis(4-hydroxyphenyl)-1-phenylethane, bis(4-hydroxyphenyl)diphenylmethane, and α,ω-bis[3-(o-hydroxyphenyl)propyl]polydimethylsiloxane.

11. The polycarbonate resin composition according to claim 2 , wherein
the repeating unit represented by Chemical Formula 4 is represented by the following Chemical Formula 4-1:

12. The polycarbonate resin composition according to claim 1 , wherein
the weight average molecular weight of the polycarbonate is 1,000 to 100.000 g/mol.

13. The polycarbonate resin composition according to claim 1 ,
wherein a polysiloxane structure is not introduced in a main chain of the polycarbonate.

Assignees

• Lg Chemical Ltd

Inventors

• Park Jung Jun
• Bahn Hyong Min
• Hwang Young Young
• Hong Moo Ho
• Lee Ki Jae
• Chun Byoung Kyu
• Ko Un
• Son Young Wook

Classifications

• C09K21/08

  containing halogen · CPC title

• C08L51/04

  grafted on to rubbers · CPC title

• C08J2369/00

  Characterised by the use of polycarbonates; Derivatives of polycarbonates · CPC title

• C09K21/14

  Macromolecular materials · CPC title

• C08L83/06

  containing silicon bound to oxygen-containing groups (C08L83/12 takes precedence) · CPC title