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Title:
BLOCK COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2007/074920
Kind Code:
A1
Abstract:
Disclosed is a block copolymer having at least two blocks each represented by the formula (1): wherein Ar represents a bivalent conjugated group, provided that, when multiple numbers of Ar are present in one block, the Ar's represent the same bivalent group as each other in the block; and m represents a number average polymerization degree of Ar in one block and is a numerical number of 1 or greater. Among the m's that occur in multiple numbers in the copolymer, at least two of the m's independently represent a numerical number of 5 or greater. The Ar's in contiguous two blocks in the copolymer are different from each other. The copolymer has two types of Ar's when the copolymer is composed of two blocks each represented by the formula (1); has two or more types of Ar's when the copolymer is composed of three blocks each represented by the formula (1); and has four or more types of Ar's when the copolymer is composed of four blocks each represented by the formula (1).

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Inventors:
FUKUSHIMA DAISUKE (JP)
HIGASHIMURA HIDEYUKI (JP)
OKADA AKIHIKO (JP)
OHUCHI KAZUEI (JP)
ANRYU MAKOTO (JP)
Application Number:
PCT/JP2006/326325
Publication Date:
July 05, 2007
Filing Date:
December 25, 2006
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
FUKUSHIMA DAISUKE (JP)
HIGASHIMURA HIDEYUKI (JP)
OKADA AKIHIKO (JP)
OHUCHI KAZUEI (JP)
ANRYU MAKOTO (JP)
International Classes:
C08G61/10; C09K11/06; H01L51/50; H05B33/10
Domestic Patent References:
WO2003007395A12003-01-23
WO2002088223A12002-11-07
WO2001081294A12001-11-01
WO1994015368A11994-07-07
Foreign References:
JPH05158091A1993-06-25
JP2005209576A2005-08-04
Attorney, Agent or Firm:
ENOMOTO, Masayuki et al. (Property Service Limited, 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, JP)
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