Title:
PHOTOSENSITIVE CTP FLEXOGRAPHIC PRINTING PLATE
Document Type and Number:
WIPO Patent Application WO/2018/181354
Kind Code:
A1
Abstract:
Provided is a CTP flexographic printing plate which exhibits excellent barrier properties and does not wrinkle when being handled, even as the environment changes over the course of the year. The provided water-developable photosensitive CTP flexographic printing plate is a photosensitive relief printing plate obtained by sequentially layering at least a support body, a photosensitive resin layer, a barrier layer, and a heat-sensitive mask layer, and is characterized in that: the barrier layer contains a polyamide resin (A) containing a basic nitrogen atom in each molecule thereof, and a polyamide resin (B) containing an alkylene glycol structural unit constituting 40-70 mass% in each molecule thereof; and the content of the polyamide resin (B) relative to the total content of the polyamide resin (A) and the polyamide resin (B) is 25-52 mass%.
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Inventors:
MATSUO KEISUKE (JP)
YONEKURA HIROMICHI (JP)
YONEKURA HIROMICHI (JP)
Application Number:
PCT/JP2018/012493
Publication Date:
October 04, 2018
Filing Date:
March 27, 2018
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
G03F7/11; C08G69/02; C08G69/40; G03F7/00
Domestic Patent References:
| WO2013062082A1 | 2013-05-02 |
Foreign References:
| JP2012022229A | 2012-02-02 | |||
| JPH07506201A | 1995-07-06 | |||
| JP5573675B2 | 2014-08-20 | |||
| JP4332865B1 | 2009-09-16 | |||
| JPS507605A | 1975-01-27 | |||
| JPS5579437A | 1980-06-14 | |||
| JP4200510B1 | 2008-12-24 | |||
| JPS5710961B2 | 1982-03-02 | |||
| JPS5525074B2 | 1980-07-03 |
Other References:
See also references of EP 3605229A4
Attorney, Agent or Firm:
KAZAHAYA, Nobuaki et al. (JP)
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