Copolycarbonate and composition comprising the same

Patent metadata

Field	Value
Publication number	US-10526445-B2
Application number	US-201615528061-A
Country	US
Kind code	B2
Filing date	Nov 4, 2016
Priority date	Nov 6, 2015
Publication date	Jan 7, 2020
Grant date	Jan 7, 2020

Abstract

The present disclosure relates to a copolycarbonate including repeating units of Chemical Formulas 1, 2 and 3; and a composition comprising the same:

First claim

The invention claimed is:

1. A copolycarbonate comprising:
a repeating unit represented by the following Chemical Formula 1,
a repeating unit derived from a siloxane compound represented by the following Chemical Formula 2-2, and
a repeating unit derived from a siloxane compound represented by the following Chemical Formula 3-2,
wherein the copolycarbonate has a weight average molecular weight of 1,000 to 100,000 g/mol,
wherein a weight ratio between the repeating unit derived from a siloxane compound represented by Chemical Formula 2-2 and the repeating unit derived from a siloxane compound represented by Chemical Formula 3-2 is 20:80 to 80:20:

in the 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,

wherein in the Chemical Formula 2-2,
each of X 1 is independently C 1-10 alkylene,
each of Y 1 is independently hydrogen, C 1-6 alkyl, halogen, hydroxy, C 1-6 alkoxy, or C 6-20 aryl,
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;
n is an integer of 1 to 35,

wherein in the Chemical Formula 3-2,
each of X 2 is independently C 1-10 alkylene,
each of Y 2 is independently hydrogen, C 1-6 alkyl, halogen, hydroxyl, 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 50 to 200.

2. The copolycarbonate 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.

3. The copolycarbonate according to claim 1 , wherein the repeating unit represented by Chemical Formula 1 is represented by the following Chemical Formula 1-1:

4. The copolycarbonate according to claim 1 , wherein each of X 1 is independently C 2-6 alkylene.

5. The copolycarbonate according to claim 1 , wherein each of X 2 is independently C 2-6 alkylene.

6. The copolycarbonate according to claim 1 , wherein each of R 5 is independently C 1-6 alkyl.

7. The copolycarbonate according to claim 1 , wherein each of R 6 is independently C 1-6 alkyl.

8. The copolycarbonate according to claim 1 , wherein R 5 and R 6 are identical to each other.

9. The copolycarbonate according to claim 1 , wherein n is an integer of 10 to 35.

10. The copolycarbonate according to claim 1 , wherein m is an integer of 50 to 100.

11. The copolycarbonate according to claim 1 , wherein the copolycarbonate has a weight average molecular weight of 15,000 to 35,000 g/mol.

12. A polycarbonate composition comprising the copolycarbonate of claim 1 , and a polycarbonate.

13. The polycarbonate resin composition according to claim 12 , 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.

14. The polycarbonate resin composition according to claim 12 , wherein a weight ratio of the copolycarbonate and the polycarbonate is from 99:1 to 1:99.

15. The polycarbonate resin composition according to claim 12 , wherein a polysiloxane structure is not introduced in a main chain of the polycarbonate.

Assignees

• Lg Chemical Ltd

Inventors

• Hwang Young Young
• Bahn Hyong Min
• Park Jung Jun
• Hong Moo Ho

Classifications

• B29C45/0001

  characterised by the choice of material · CPC title

• B29K2069/00

  Use of PC, i.e. polycarbonates {or derivatives thereof}, as moulding material · CPC title

• B29K2995/0088

  Molecular weight · CPC title

• C08L2205/025

  containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure · CPC title

• C08G64/186 Primary

  containing polysiloxane sequences · CPC title