ELASTOMER CONSTITUENT AND PHOTOSENSITIVE COMPOSITION MAKING USE OF THE SAME

WIPO Patent Application WO/2007/072613

A1

An elastomer constituent that is suitable for use in a printing plate material; and a photosensitive composition making use of the elastomer constituent that excels in laser workability performance, image developability, clear printing even with respect to small letters and, with a hydrophilic polymer added thereto, water developability. There is provided an elastomer constituent comprised mainly of a block (co)polymer containing as indispensable components a polymer block composed mainly of at least two aromatic vinyl compounds, a copolymer block of specified structure consisting of a polymer block composed mainly of at least one conjugated diene and a polymer block composed mainly of one or more conjugated dienes wherein one or more aromatic vinyl compound polymer blocks may be contained. Further, there is provided a photosensitive composition comprising the above elastomer constituent, a photopolymerizable unsaturated monomer and a photopolymerization initiator.

TAKEUCHI MOTOKAZU (JP)
MIURA FUMIAKI (JP)
TORII MASATOSHI (JP)
MIYACHI TAKUMI (JP)

PCT/JP2006/318236

June 28, 2007

September 14, 2006

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KRATON JSR ELASTOMERS K K (JP)
TAKEUCHI MOTOKAZU (JP)
MIURA FUMIAKI (JP)
TORII MASATOSHI (JP)
MIYACHI TAKUMI (JP)

C08L53/02; C08F293/00; G03F7/00; G03F7/027

WO2003060009A1	2003-07-24
WO2005123834A1	2005-12-29

JPH11335433A	1999-12-07
JP2003066605A	2003-03-05
JPH09216918A	1997-08-19
JPS6248744A	1987-03-03

SHIRAI, Shigetaka (8-5 Toranomon 1-chom, Minato-ku Tokyo 01, JP)

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