Title:
PROCESSLESS DIGITALLY IMAGED PHOTOPOLYMER ELEMENTS USING MICROSPHERES
Document Type and Number:
WIPO Patent Application WO2005074499
Kind Code:
B1
Abstract:
Laser imageable flexographic printing elements, including printing plates and printing sleeves and methods of making the laser imageable flexographic printing elements using a collapsible cross-linkable material comprising a curable elastomer, a material that absorbs laser radiation at a selected wavelength, and microspheres are disclosed. A laser is used to collapse and melt the collapsible cross-linkable material to form a relief image on the printing element. The printing element is thereafter cured by face exposure to crosslink and cure the formed relief image. The invention addresses a market need for eliminating chemical processing of printing elements, thus going from printing element to press much more quickly and using an environmentally friendly process.
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Inventors:
KANGA RUSTOM S
Application Number:
PCT/US2005/001986
Publication Date:
December 15, 2005
Filing Date:
January 20, 2005
Export Citation:
Assignee:
MACDERMID PRINTING SOLUTIONS (US)
International Classes:
B41C1/05; B41C1/18; B41N1/12; G03F7/032; G03F7/039; G03F7/11; G03F7/26; G03F7/38; G03F7/027; (IPC1-7): G03F7/032; G03F7/039; G03F7/11; G03F7/26; G03F7/38
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