Method for manufacturing water developable plates

2022-06-23
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Method for manufacturing a water developable printing plate for letterpress printing

[patent name] method for manufacturing a water developable printing plate for letterpress printing

[applicant] Asahi Chemical Co., Ltd.

[inventor] Haraguchi; Masahiro Yoshida

[address of the principal applicant] Tokyo, Japan

[application No.] 4

[application date] February 17, 2004

[approval Announcement No.]

[approval announcement date] March 22, 2006

[main classification No.] g03f7/40 (2006.01) i

[classification No.] g03f7/40 (2006.01) I g03f7/00 (2006.01) I g03f7/032 (200 "we all want to build safer 6.01) i

[priority] 2003.2.19 JP 041650/2003

[sovereignty item] 1. a method for manufacturing a water developable printing plate for relief printing, comprising at least a step of photochemical light exposure, a developing step and a post exposure step for a field plate prepared from a photosensitive resin composition containing at least a) hydrophilic resin, b) hydrophobic resin, c) photopolymerizable unsaturated compound and D) photopolymerization initiator, The temperature index of the post exposure step in the low oxygen concentration environment into the low temperature impact testing machine can fully meet the various temperature control requirements specified in the national standard gb229 (2) 007, and the detection standard is accurate

[cd-rom no. of instructions] d

[international application] pct/jp2004/001681

[international publication] wo2004/074942

[Abstract] a method for manufacturing a water developable printing plate for relief printing. The method package can be roughly divided into: stretching fixture, tightening fixture, zigzag fixture, stripping fixture, shearing fixture, etc., including providing at least a) hydrophilic resin, b) hydrophobic resin c) A field version of a photosensitive resin composition of a photopolymerizable unsaturated compound and D) a photopolymerization initiator, and at least a step of exposing the field version to photochemical light, a developing step and a post exposure step are performed on the field version. In this method, the post exposure step is carried out in an environment with low oxygen concentration

[agent] Beijing zhongzi law firm

[agent] liujinhui kuiyongliang

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