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WO2008002980A3 - Laser engraveable flexographic printing article - Google Patents

Laser engraveable flexographic printing article Download PDF

Info

Publication number
WO2008002980A3
WO2008002980A3 PCT/US2007/072246 US2007072246W WO2008002980A3 WO 2008002980 A3 WO2008002980 A3 WO 2008002980A3 US 2007072246 W US2007072246 W US 2007072246W WO 2008002980 A3 WO2008002980 A3 WO 2008002980A3
Authority
WO
WIPO (PCT)
Prior art keywords
printing
laser
cross
tpu
sleeve
Prior art date
Application number
PCT/US2007/072246
Other languages
French (fr)
Other versions
WO2008002980A2 (en
Inventor
Rustom S Kanga
Original Assignee
Stork Prints America Inc
Rustom S Kanga
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stork Prints America Inc, Rustom S Kanga filed Critical Stork Prints America Inc
Publication of WO2008002980A2 publication Critical patent/WO2008002980A2/en
Publication of WO2008002980A3 publication Critical patent/WO2008002980A3/en
Priority to US12/356,330 priority Critical patent/US8501390B2/en
Priority to US13/926,585 priority patent/US8748082B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

The present invention provides a method of cross-linking a thermoplastic polyurethane (TPU) for making a directly laser engravable flexographic printing article. The printing article can be a flat printing plate or a continuous in-the-round printing sleeve. TPUs can be compounded in an extruder using various cross-linking and laser sensitive additives. The compounded TPU is extruded on a flat carrier or a round sleeve, cross-linked during or after extrusion using thermal energy or UV radiation. The extruded and cross-linked TPU is ground or machined to the dimension required for the printing process and is ready for laser engraving. The printing element is laser engraved using infrared lasers using computer generated graphics. After engraving a simple wipe-down is all that is required before the plate or sleeve is used on a flexographic printing press. Other binders such as thermoplastic polyester elastomer and thermoplastic polyamide elastomer can also be used.
PCT/US2007/072246 2006-06-27 2007-06-27 Laser engraveable flexographic printing article WO2008002980A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/356,330 US8501390B2 (en) 2006-06-27 2009-01-20 Laser engravable flexographic printing articles based on millable polyurethanes, and method
US13/926,585 US8748082B2 (en) 2006-06-27 2013-06-25 Laser engravable flexographic printing articles based on millable polyurethanes, and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81678606P 2006-06-27 2006-06-27
US60/816,786 2006-06-27

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US11813612 A-371-Of-International 2007-06-27
US12/356,330 Continuation-In-Part US8501390B2 (en) 2006-06-27 2009-01-20 Laser engravable flexographic printing articles based on millable polyurethanes, and method

Publications (2)

Publication Number Publication Date
WO2008002980A2 WO2008002980A2 (en) 2008-01-03
WO2008002980A3 true WO2008002980A3 (en) 2008-07-17

Family

ID=38846506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/072246 WO2008002980A2 (en) 2006-06-27 2007-06-27 Laser engraveable flexographic printing article

Country Status (1)

Country Link
WO (1) WO2008002980A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8460778B2 (en) 2008-12-15 2013-06-11 Tredegar Film Products Corporation Forming screens
WO2012056385A1 (en) 2010-10-25 2012-05-03 Sabic Innovative Plastics Ip B.V. Improved electroless plating performance of laser direct structuring materials
WO2018200360A1 (en) * 2017-04-24 2018-11-01 Nike Innovate C.V. Article with uv radiation curable material adhered to textile and method of making the same
CN108841016B (en) * 2018-06-14 2020-06-30 四川大学 Method for preparing spherical powder for selective laser sintering from high-molecular fibers
DE102019124814A1 (en) * 2019-09-16 2021-03-18 Leibniz-Institut für Oberflächenmodifizierung e.V. Printing form and polymeric coating material therefor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828641A (en) * 1987-04-09 1989-05-09 Basf Aktiengesellschaft Joining the cut edges of photopolymerized flexographic printing plates
US4999271A (en) * 1986-09-16 1991-03-12 Vickers Plc Printing plate precursors
US5804353A (en) * 1992-05-11 1998-09-08 E. I. Dupont De Nemours And Company Lasers engravable multilayer flexographic printing element
US6258917B1 (en) * 1996-05-21 2001-07-10 Simula, Inc. Extrudable thermoplastic elastomeric urea-extended polyurethane
US20020018958A1 (en) * 2000-06-20 2002-02-14 Jsr Corporation Polymeric material for laser processing and a laminated body for laser processing thereof, flexographic printing plate and the method of producing the same, and a seal material
US6806018B2 (en) * 2002-03-25 2004-10-19 Macdermid Graphic Arts, Inc. Processless digitally imaged printing plate using microspheres
US6921625B2 (en) * 2001-07-27 2005-07-26 Basf Drucksysteme Gmbh Method for the production of flexographic printing forms by means of electron beam cross-linking and laser engraving

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4999271A (en) * 1986-09-16 1991-03-12 Vickers Plc Printing plate precursors
US4828641A (en) * 1987-04-09 1989-05-09 Basf Aktiengesellschaft Joining the cut edges of photopolymerized flexographic printing plates
US5804353A (en) * 1992-05-11 1998-09-08 E. I. Dupont De Nemours And Company Lasers engravable multilayer flexographic printing element
US6258917B1 (en) * 1996-05-21 2001-07-10 Simula, Inc. Extrudable thermoplastic elastomeric urea-extended polyurethane
US20020018958A1 (en) * 2000-06-20 2002-02-14 Jsr Corporation Polymeric material for laser processing and a laminated body for laser processing thereof, flexographic printing plate and the method of producing the same, and a seal material
US20050277061A1 (en) * 2000-06-20 2005-12-15 Jsr Corporation Polymeric material for laser processing and a laminated body for laser processing thereof, flexographic printing plate and the method of producing the same, and a seal material
US6921625B2 (en) * 2001-07-27 2005-07-26 Basf Drucksysteme Gmbh Method for the production of flexographic printing forms by means of electron beam cross-linking and laser engraving
US6806018B2 (en) * 2002-03-25 2004-10-19 Macdermid Graphic Arts, Inc. Processless digitally imaged printing plate using microspheres

Also Published As

Publication number Publication date
WO2008002980A2 (en) 2008-01-03

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