Polyorganosiloxane compound, method for preparing the same, and copolycarbonate resin comprising the same

Patent metadata

Field	Value
Publication number	US-9452969-B2
Application number	US-201514823756-A
Country	US
Kind code	B2
Filing date	Aug 11, 2015
Priority date	Jul 1, 2013
Publication date	Sep 27, 2016
Grant date	Sep 27, 2016

Abstract

A polyorganosiloxane compound, a method of preparing the same, and a copolycarbonate resin comprising the same are disclosed. Particularly, a copolycarbonate resin, which may be applied to a variety of applications, and in particular, comprises a polyorganosiloxane compound used as an impact modifier, a modifier, or a comonomer of a copolycarbonate resin and has improved mechanical properties such as low-temperature impact strength, is disclosed.

First claim

What is claimed is:

1. A compound of

2. A method of preparing the compound according to claim 1 , which comprising reacting the compound represented by Formula 9 below and a C 2-8 alkenyl alcohol:

wherein R 5 ,R′ 5 and R 6 are hydrogen, R 7 is hydroxyl, and
wherein the C 2-8 alkenyl alcohol is

3. A method of preparing the compound according to claim 1 , which comprising:
1) reacting 4-hydroxybenzoic acid with acetyl chloride to prepare 4-(carboxy)phenyl acetate;
2) reacting 4-(carboxy)phenyl acetate with oxalyl chloride to prepare 4-(chlorocarbonyl) phenyl acetate; and
3) reacting 4-(chlorocarbonyl)phenyl acetate with a C 2-8 alkenyl alcohol,
wherein the C 2-8 alkenyl alcohol is

Assignees

• Lg Chemical Ltd

Inventors

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

Classifications

• C08G64/307

  and phenols · CPC title

• C08G77/16

  to hydroxy groups · CPC title

• C08K5/56

  Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond · CPC title

• C08L83/06

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

• C08G77/14

  containing silicon bound to oxygen-containing groups · CPC title