Polyorganosiloxane and polycarbonate-polyorganosiloxane copolymer

Patent metadata

Field	Value
Publication number	US-9567442-B2
Application number	US-201414779440-A
Country	US
Kind code	B2
Filing date	Mar 28, 2014
Priority date	Mar 29, 2013
Publication date	Feb 14, 2017
Grant date	Feb 14, 2017

Abstract

Provided is a polyorganosiloxane having a platinum content of 1 ppm by mass or less.

First claim

The invention claimed is:

1. A polycarbonate-polyorganosiloxane copolymer having a platinum content of 0.08 ppm by mass or less, wherein the polycarbonate-polyorganosiloxane copolymer comprises a polyorganosiloxane moiety as a repeating unit which has a structure derived from the polyorganosiloxane of formula (1-1):

wherein
R 1 to R 4 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, or an aryl group having 6 to 12 carbon atoms,
Y is a single bond, or an organic residue containing an aliphatic or aromatic moiety, the organic residue being bonded to Si and O or to Si and Z,
n is an average number of repetitions,
m is 0 or 1,
Z each independently is a —R 5 OH, —R 5 COOH, —R 5 NH 2 , —R 5 NHR 6 , —COOH, or —SH,
R 5 is a linear, branched, or cyclic alkylene group, an aryl-substituted alkylene group, an aryl-substituted alkylene group that may have an alkoxy group on a ring thereof, or an arylene group, and
R 6 is an alkyl group, an alkenyl group, an aryl group, or an aralkyl group.

2. A polycarbonate-polyorganosiloxane copolymer having a platinum content of 0.08 ppm by mass or less, wherein the polycarbonate-polyorganosiloxane copolymer comprises a polyorganosiloxane moiety as a repeating unit having a structure represented by the following general formula (I) and a polycarbonate moiety as a repeating unit having a structure represented by the following general formula (II):

wherein
R 11 to R 14 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, or an aryl group having 6 to 12 carbon atoms,
Y 1 represents a single bond, or an organic residue containing an aliphatic or aromatic moiety,
n1 represents an average number of repetitions,
R 21 and R 22 each independently represent a halogen atom, an alkyl group having 1 to 6 carbon atoms, or an alkoxy group having 1 to 6 carbon atoms,
X represents a single bond, an alkylene group having 1 to 8 carbon atoms, an alkylidene group having 2 to 8 carbon atoms, a cycloalkylene group having 5 to 15 carbon atoms, a cycloalkylidene group having 5 to 15 carbon atoms, a fluorenediyl group, an arylalkylene group having 7 to 15 carbon atoms, an arylalkylidene group having 7 to 15 carbon atoms, —S—, —SO—, —SO 2 —, —O—, or —CO—, and
b and c each independently represent an integer of 0 to 4.

3. The polycarbonate-polyorganosiloxane copolymer according to claim 1 , wherein R 1 to R 4 are each independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, or an aryl group having 6 to 12 carbon atoms.

4. The polycarbonate-polyorganosiloxane copolymer according to claim 1 , wherein the polyorganosiloxane moiety as a repeating unit which has a structure derived from the polyorganosiloxane of formula (1-2) or (1-4):

wherein R 1 to R 4 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, or an aryl group having 6 to 12 carbon atoms, n represents an average number of repetitions, and a represents a positive integer.

5. The polycarbonate-polyorganosiloxane copolymer according to claim 1 , wherein R 1 to R 4 each represent a methyl group.

6. The polycarbonate-polyorganosiloxane copolymer according to claim 3 , wherein R 1 to R 4 each represent a methyl group.

7. The polycarbonate-polyorganosiloxane copolymer according to claim 4 , wherein R 1 to R 4 each represent a methyl group.

Assignees

• Idemitsu Kosan Co

Inventors

• Abe Tomoko
• Ishikawa Yasuhiro

Classifications

• C08K2003/2227

  of aluminium · CPC title

• C08G64/186

  containing polysiloxane sequences · CPC title

• C08K3/346

  Clay · CPC title

• C08G77/08

  characterised by the catalysts used · CPC title

• C08G77/34 Primary

  Purification · CPC title