PROCESSLESS DIGITALLY IMAGED PHOTOPOLYMER ELEMENTS USING MICROSPHERES

Title:

PROCESSLESS DIGITALLY IMAGED PHOTOPOLYMER ELEMENTS USING MICROSPHERES

Document Type and Number:

WIPO Patent Application WO2005074499

Kind Code:

A3

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:

October 20, 2005

Filing Date:

January 20, 2005

Export Citation:

Click for automatic bibliography generation Help

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

Foreign References:

US4622088A	1986-11-11
US5916403A	1999-06-29
US6090529A	2000-07-18
US6159659A	2000-12-12
US6551759B2	2003-04-22
US6806018B2	2004-10-19

Other References: