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Title:
BLOCK COPOLYMER COMPOSITION FOR FLEXOGRAPHIC PRINTING PLATE
Document Type and Number:
WIPO Patent Application WO/2019/188604
Kind Code:
A1
Abstract:
The present disclosure provides a block copolymer composition for a flexographic printing plate, the composition constituted of a block copolymer A and a block copolymer B, which are aromatic vinyl-conjugated diene-aromatic vinyl block copolymers, each having a specific structure. With respect to the total amount of a monomeric unit constituting the polymer component of the block copolymer composition for a flexographic plate, the aromatic vinyl monomeric unit accounts for 18 to 70 mass%. The block copolymer composition for a flexographic printing plate has a type A hardness of 25 to 65, and an isotropic index of 2.0 or less.

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Inventors:
ODA RYOJI (JP)
KATO DAISUKE (JP)
Application Number:
PCT/JP2019/011528
Publication Date:
October 03, 2019
Filing Date:
March 19, 2019
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
B41N1/12; C08L53/02; G03F7/00; G03F7/027; G03F7/032
Domestic Patent References:
WO2010098356A12010-09-02
WO2007072613A12007-06-28
WO2018168647A12018-09-20
WO2019044369A12019-03-07
WO2005031459A12005-04-07
Foreign References:
JPH0915860A1997-01-17
US20070078194A12007-04-05
JP2006104359A2006-04-20
JP2002072457A2002-03-12
JP2006514338A2006-04-27
Other References:
RUBBER CHEM. TECHNOL., vol. 45, 1972, pages 1295
See also references of EP 3778251A4
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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