Polyorganosiloxane, and copolycarbonate prepared by using the same

Patent metadata

Field	Value
Publication number	US-10577461-B2
Application number	US-201615742000-A
Country	US
Kind code	B2
Filing date	Aug 17, 2016
Priority date	Sep 4, 2015
Publication date	Mar 3, 2020
Grant date	Mar 3, 2020

Abstract

Provided are a novel polyorganosiloxane capable of preparing copolycarbonate with improved weather resistance and flowability while maintaining the intrinsic physical properties of polycarbonate resin, and a copolycarbonate prepared by using the same.

First claim

The invention claimed is:

1. A polyorganosiloxane represented by the following Chemical Formula 1:
B-A-B  [Chemical Formula 1]

wherein A is

B is

R 1 to R 4 are each independently hydrogen or C 1-10 alkyl,
R 5 is hydrogen, halogen, hydroxy, C 1-10 alkyl, C 1-10 alkoxy, or C 6-10 aryl,
R 6 to R 9 are each independently hydrogen, C 1-10 alkyl, or halogen,
X is —CO— or —CO—(C 6-10 arylene)-CO—,
Y is C 1-10 alkylene,
Z is a bond, —OCO—, or —COO—,
W is a divalent functional group comprising —(C 1-10 alkylene)-O—, and
n is an integer of 1 to 99.

2. The polyorganosiloxane of claim 1 , wherein W is a divalent functional group comprising —(C 1-10 alkylene)-COO—(C 1-10 alkylene)-O—.

3. The polyorganosiloxane of claim 1 , wherein A is

4. The polyorganosiloxane of claim 1 , wherein R 1 to R 4 are each independently hydrogen or C 1-4 alkyl.

5. The polyorganosiloxane of claim 1 , wherein R 5 is hydrogen or C 1-4 alkoxy.

6. The polyorganosiloxane of claim 1 , wherein X is —CO-(phenylene)-CO—.

7. The polyorganosiloxane of claim 1 , wherein Y is C 1-5 alkylene.

8. The polyorganosiloxane of claim 1 , wherein the polyorganosiloxane has the following structure:

wherein A is

9. A copolycarbonate having a weight average molecular weight of 1,000 to 100,000 g/mol, which comprises a repeating unit represented by the following Chemical Formula 2 and a repeating unit represented by the following Chemical Formula 3:

wherein A is
R 1 to R 4 are each independently hydrogen or C 1-10 alkyl,
R 5 is hydrogen, halogen, hydroxy, C 1-10 alkyl, C 1-10 alkoxy, or C 6-10 aryl,
R 6 to R 9 are each independently hydrogen, C 1-10 alkyl, or halogen,
X is —CO— or —CO—(C 6-10 arylene)-CO—,
Y is C 1-10 alkylene,
Z is a bond, —OCO—, or —COO—,
W is a divalent functional group comprising —(C 1-10 alkylene)-O—, and
n is an integer of 1 to 99,

wherein X 1 is C 1-10 alkylene unsubstituted or substituted with phenyl, C 3-6 cycloalkylene, O, S, SO, SO 2 , or CO, and
R 10 to R 13 are each independently hydrogen, C 1-10 alkyl, or halogen.

10. The copolycarbonate of claim 9 , wherein X 1 is C 1-4 alkylene unsubstituted or substituted with phenyl, C 3-6 cycloalkylene, O, S, SO, SO 2 or CO.

11. The copolycarbonate of claim 9 , wherein R 10 to R 13 are each independently hydrogen, C 1-4 alkyl, chloro, or bromo.

12. A molded article manufactured by using the copolycarbonate of claim 9 .

13. A molded article manufactured by using the copolycarbonate of claim 10 .

14. A molded article manufactured by using the copolycarbonate of claim 11 .

Assignees

• Lg Chemical Ltd

Inventors

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

Classifications

• C08L83/10

  Block- or graft-copolymers containing polysiloxane sequences (obtained by polymerising a compound having a carbon-to-carbon double bond on to a polysiloxane C08L51/08, C08L53/00) · CPC title

• C08G77/12

  containing silicon bound to hydrogen · CPC title

• C08G64/085 Primary

  containing silicon · CPC title

• C07F7/0838

  Compounds with one or more Si-O-Si sequences (compounds with a ring containing only alternating Si and O atoms, i.e. cyclosilanes C07F7/21) · CPC title

• C08J5/00

  Manufacture of articles or shaped materials containing macromolecular substances (manufacture of semi-permeable membranes B01D67/00 - B01D71/00) · CPC title