NO893463L - Fremgangsmaate for fremstilling av fleksografiske trykkplater, og fleksografisk lysfoelsomt element. - Google Patents

Fremgangsmaate for fremstilling av fleksografiske trykkplater, og fleksografisk lysfoelsomt element.

Info

Publication number
NO893463L
NO893463L NO89893463A NO893463A NO893463L NO 893463 L NO893463 L NO 893463L NO 89893463 A NO89893463 A NO 89893463A NO 893463 A NO893463 A NO 893463A NO 893463 L NO893463 L NO 893463L
Authority
NO
Norway
Prior art keywords
flexographic
procedure
manufacture
sensitive element
light sensitive
Prior art date
Application number
NO89893463A
Other languages
English (en)
Norwegian (no)
Other versions
NO893463D0 (no
Inventor
Bernard Feinberg
Michael Fryd
Ernst Leberzammer
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NO893463D0 publication Critical patent/NO893463D0/no
Publication of NO893463L publication Critical patent/NO893463L/no

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004Photosensitive materials
    • G03F7/027Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00Drugs for disorders of the urinary system
    • A61P13/02Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00Drugs for genital or sexual disorders; Contraceptives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • A61P35/02Antineoplastic agents specific for leukemia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00Drugs for immunological or allergic disorders
    • A61P37/08Antiallergic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Oncology (AREA)
  • Endocrinology (AREA)
  • Reproductive Health (AREA)
  • Urology & Nephrology (AREA)
  • Immunology (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Materials For Photolithography (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
NO89893463A 1988-08-30 1989-08-29 Fremgangsmaate for fremstilling av fleksografiske trykkplater, og fleksografisk lysfoelsomt element. NO893463L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/238,105 US4894315A (en) 1988-08-30 1988-08-30 Process for making flexographic printing plates with increased flexibility

Publications (2)

Publication Number Publication Date
NO893463D0 NO893463D0 (no) 1989-08-29
NO893463L true NO893463L (no) 1990-03-01

Family

ID=22896524

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89893463A NO893463L (no) 1988-08-30 1989-08-29 Fremgangsmaate for fremstilling av fleksografiske trykkplater, og fleksografisk lysfoelsomt element.

Country Status (9)

Country Link
US (1) US4894315A (fr)
EP (1) EP0356952B1 (fr)
JP (1) JP2772055B2 (fr)
AR (1) AR246364A1 (fr)
AU (1) AU609638B2 (fr)
CA (1) CA1336048C (fr)
DE (1) DE68929016D1 (fr)
DK (1) DK425389A (fr)
NO (1) NO893463L (fr)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830914A1 (de) * 1988-09-10 1990-03-22 Hoechst Ag Photopolymerisierbares gemisch, daraus hergestelltes aufzeichnungsmaterial und verfahren zur herstellung von kopien
DE3934450A1 (de) * 1989-10-14 1991-04-18 Basf Ag Verzweigte copolymerisate
DE4007248A1 (de) * 1990-03-08 1991-09-12 Du Pont Deutschland Verfahren zur herstellung flexographischer druckformen
US5085976A (en) * 1990-06-11 1992-02-04 E. I. Du Pont De Nemours And Company Process for dimensionally stabilizing photopolymer flexographic printing plates
WO1992015046A1 (fr) * 1991-02-15 1992-09-03 Asahi Kasei Kogyo Kabushiki Kaisha Composition elastomere photosensible
JPH04274428A (ja) * 1991-03-01 1992-09-30 Nippon Paint Co Ltd オフセット印刷用感光性組成物
US5719009A (en) * 1992-08-07 1998-02-17 E. I. Du Pont De Nemours And Company Laser ablatable photosensitive elements utilized to make flexographic printing plates
CA2103398C (fr) * 1992-11-19 2003-10-14 Andrew T. C. Liu Materiau autolubrifiant resistant a l'abrasion, et articles produits avec ce materiau
US6756181B2 (en) 1993-06-25 2004-06-29 Polyfibron Technologies, Inc. Laser imaged printing plates
US6210854B1 (en) * 1993-08-27 2001-04-03 E. I. Du Pont De Nemours And Company Aqueous developable flexographic printing plate
US5496685A (en) * 1993-09-17 1996-03-05 Chase Elastomer Corporation Photosensitive compositions and elements for flexographic printing
US5496684A (en) * 1993-09-17 1996-03-05 Chase Elastomer Corporation Photosensitive compositions and elements for flexographic printing
US6238837B1 (en) 1995-05-01 2001-05-29 E.I. Du Pont De Nemours And Company Flexographic element having an infrared ablatable layer
US5798019A (en) 1995-09-29 1998-08-25 E. I. Du Pont De Nemours And Company Methods and apparatus for forming cylindrical photosensitive elements
DE19536805A1 (de) 1995-10-02 1997-04-03 Basf Lacke & Farben Zur Herstellung von Flexodruckplatten durch digitale Informationsübertragung geeignetes mehrschichtiges Aufzeichnungselement
US5753414A (en) * 1995-10-02 1998-05-19 Macdermid Imaging Technology, Inc. Photopolymer plate having a peelable substrate
WO1997026586A1 (fr) * 1996-01-12 1997-07-24 M.A. Hanna Company Composition pour la fabrication de plaques d'impression flexographique
US5851731A (en) * 1996-09-09 1998-12-22 M. A. Hanna Company Composition for the manufacture of flexographic printing plates
US6127094A (en) * 1997-10-02 2000-10-03 Napp Systems Inc. Acrylate copolymer-containing water-developable photosensitive resins and printing plates prepared therefrom
ES2221418T3 (es) 1998-06-29 2004-12-16 Kraton Polymers Research B.V. Composicion polimerica fotocurable y placas impresoras flexograficas que la continen.
DE19909152C2 (de) 1999-03-02 2001-06-07 Du Pont Deutschland Photopolymerisierbares Aufzeichnungselement und Verfahren zur Herstellung von flexographischen Druckformen
US6666138B2 (en) 1999-06-16 2003-12-23 Jeffrey A. Randazzo Shock absorber cushion and method of use
US6558875B1 (en) * 1999-07-27 2003-05-06 Mitsubishi Chemical Corporation Method for treating photosensitive lithographic printing plate
US6425327B1 (en) 1999-08-12 2002-07-30 E. I. Du Pont De Nemours And Company Method for forming a cylindrical photosensitive element
EP1158365B1 (fr) 2000-05-18 2011-12-21 Du Pont De Nemours (Deutschland) Gmbh Procédé et appareil pour appliquer un liquide sur un cylindre d'impression
US20020197540A1 (en) 2001-03-09 2002-12-26 Creoscitex, Inc. Photosensitive flexographic device with associated thermally addressable mask
JP4509561B2 (ja) * 2001-12-06 2010-07-21 ハンツマン アドバンスト マテリアルズ (スイッツァランド) ゲーエムベーハー 熱硬化性樹脂組成物
JP2003320764A (ja) * 2002-02-27 2003-11-11 Tokushu Paper Mfg Co Ltd 平版印刷版用合紙及びその製造方法
EP1483624B1 (fr) * 2002-03-14 2008-07-09 E.I. Du Pont De Nemours And Company Element photosensible servant de cliche d'impression flexographique
US6984478B2 (en) 2002-09-16 2006-01-10 E.I. Du Pont De Nemours And Company Print control for flexographic printing
AU2003301625A1 (en) 2002-10-23 2004-05-13 Kuraray Co., Ltd. Curable resin composition and flexographic plate material using the curable resin composition
US6794107B2 (en) 2002-10-28 2004-09-21 Kodak Polychrome Graphics Llc Thermal generation of a mask for flexography
US20040146806A1 (en) * 2003-01-29 2004-07-29 Roberts David H. Photo-imageable nanocomposites
US20040241573A1 (en) * 2003-06-02 2004-12-02 Ray Kevin Barry Thermally sensitive, white light safe mask for use in flexography
US7682775B2 (en) * 2004-03-05 2010-03-23 E. I. Du Pont De Nemours And Company Process for preparing a flexographic printing plate
US7348076B2 (en) 2004-04-08 2008-03-25 Saint-Gobain Ceramics & Plastics, Inc. Single crystals and methods for fabricating same
US8142987B2 (en) * 2004-04-10 2012-03-27 Eastman Kodak Company Method of producing a relief image for printing
US7241540B2 (en) * 2004-04-27 2007-07-10 Kraton Polymers U.S. Llc Photocurable compositions and flexographic printing plates comprising the same
JP4342373B2 (ja) * 2004-04-30 2009-10-14 東京応化工業株式会社 凸版印刷用感光性印刷原版、凸版印刷版の製造方法、および該製造方法用遮光インク
JP2006003570A (ja) * 2004-06-16 2006-01-05 Tokyo Ohka Kogyo Co Ltd 印刷版製造用感光性組成物、並びに、これを用いた感光性印刷原版積層体および印刷版
US7049047B2 (en) * 2004-08-10 2006-05-23 Eastman Kodak Company Imageable element with masking layer comprising sulfated polymer
CN101057181B (zh) 2004-11-11 2011-01-12 旭化成电子材料株式会社 柔性版印刷用感光性树脂组合物
US20060154180A1 (en) 2005-01-07 2006-07-13 Kannurpatti Anandkumar R Imaging element for use as a recording element and process of using the imaging element
JP4482032B2 (ja) * 2005-05-11 2010-06-16 旭化成イーマテリアルズ株式会社 感光性樹脂組成物
JP2007015147A (ja) * 2005-07-05 2007-01-25 Tokyo Ohka Kogyo Co Ltd 凸版印刷用感光性積層印刷原版の製造方法、凸版印刷用感光性積層印刷原版、および凸版印刷版の製造方法
US7971730B2 (en) * 2005-08-10 2011-07-05 The Regents Of The University Of California Collection tubes apparatus, systems and methods
US20070078194A1 (en) * 2005-10-04 2007-04-05 St Clair David J Flexographic printing plate and flexographic printing plate precursor composition for preparing same
JP4748812B2 (ja) * 2005-11-21 2011-08-17 旭化成イーマテリアルズ株式会社 フレキソ印刷版
JP2007224093A (ja) * 2006-02-21 2007-09-06 Tokyo Ohka Kogyo Co Ltd 接着層形成用組成物、及びこれを用いた凸版印刷版、並びに凸版印刷版の製造方法
EP2006737B1 (fr) 2006-04-07 2015-01-07 Asahi Kasei Chemicals Corporation Composition de resine photosensible pour l'impression flexographique
US7846639B2 (en) 2006-06-30 2010-12-07 E. I. Du Pont De Nemours And Company Imaging element having a photoluminescent tag and process of using the imaging element to form a recording element
JP5254986B2 (ja) * 2006-11-15 2013-08-07 スリーエム イノベイティブ プロパティズ カンパニー フレキソ印刷のための溶剤除去アシスト材料転写
CN101674942B (zh) 2006-11-15 2012-01-25 3M创新有限公司 转移至基底期间固化的柔性版印刷
US7819060B2 (en) 2007-04-13 2010-10-26 E.I. Du Pont De Nemours And Company Method for mounting cylindrically-shaped printing forms
US7799504B2 (en) 2007-06-05 2010-09-21 Eastman Kodak Company Mask film to form relief images and method of use
US7691550B2 (en) 2007-06-20 2010-04-06 E.I. Du Pont De Nemours And Company Method for making a relief printing form
US7807001B2 (en) * 2007-06-28 2010-10-05 Eastman Kodak Company Lamination device method for flexographic plate manufacturing
EP2026132B1 (fr) 2007-08-16 2013-03-13 E. I. Du Pont de Nemours and Company Procédé pour la fabrication d'un élément photosensible de forme cylindrique pour une utilisation en tant que forme d'impression
US8470518B2 (en) 2007-09-14 2013-06-25 E I Du Pont De Nemours And Company Photosensitive element having reinforcing particles and method for preparing a printing form from the element
US8236479B2 (en) 2008-01-23 2012-08-07 E I Du Pont De Nemours And Company Method for printing a pattern on a substrate
US8241835B2 (en) * 2008-01-30 2012-08-14 E I Du Pont De Nemours And Company Device and method for preparing relief printing form
EP2085820B1 (fr) 2008-01-30 2015-02-25 E. I. du Pont de Nemours and Company Appareil et procédé pour la préparation de formes d'impression en relief
US8359975B2 (en) 2008-05-23 2013-01-29 E.I. Du Pont De Nemours And Company Process and apparatus having an adjustable heater
EP2154572B1 (fr) 2008-08-15 2017-05-03 E. I. du Pont de Nemours and Company Procédé pour la fabrication d'un élément photosensible de forme cylindrique pour une utilisation en tant que forme d'impression
US8465904B2 (en) 2008-10-31 2013-06-18 E I Du Pont De Nemours And Company Method for preparing a printing form from a photopolymerizable element
JP5778141B2 (ja) 2009-07-02 2015-09-16 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーE.I.Du Pont De Nemours And Company 基板上に材料を印刷するための方法
BR112013020399A2 (pt) 2011-02-18 2016-10-25 Kraton Polymers Us Llc composição polimérica curável, cabo, selante, e, método de enchimento de um cabo de fibra óptica
US8530142B2 (en) 2011-03-15 2013-09-10 Eastman Kodak Company Flexographic printing plate precursor, imaging assembly, and use
US9069252B2 (en) 2011-08-26 2015-06-30 E I Du Pont De Nemours And Company Method for preparing a relief printing form
US20130139714A1 (en) 2011-12-02 2013-06-06 E.I. Du Pont De Nemours And Company Method for making flexographic printing forms by welding edges of photosensitive elements with microwave energy
US9134612B2 (en) 2012-03-27 2015-09-15 E I Du Pont De Nemours And Company Printing form precursor having elastomeric cap layer and a method of preparing a printing form from the precursor
US9097974B2 (en) 2012-08-23 2015-08-04 E I Du Pont De Nemours And Company Method for preparing a relief printing form
US9598622B2 (en) 2012-09-25 2017-03-21 Cold Chain Technologies, Inc. Gel comprising a phase-change material, method of preparing the gel, thermal exchange implement comprising the gel, and method of preparing the thermal exchange implement
US9669405B2 (en) 2012-10-22 2017-06-06 The Regents Of The University Of California Sterilizable photopolymer serum separator
US8945813B2 (en) 2013-04-18 2015-02-03 Eastman Kodak Company Mask forming imageable material and use
CN107850838A (zh) 2015-06-17 2018-03-27 爱克发有限公司 柔性版印刷原版及其磁性显影
CN110199226B (zh) 2016-11-16 2023-12-12 米瑞控公司 柔性版显影剂及使用方法
EP3354477A1 (fr) 2017-01-25 2018-08-01 Anheuser-Busch Inbev Sa/Nv Procédé d'impression destiné à un récipient de boisson
JP7319282B2 (ja) 2018-02-16 2023-08-01 ミラクロン コーポレーション マスク要素前駆体およびレリーフ像形成システム
JP7261089B2 (ja) 2019-05-29 2023-04-19 旭化成株式会社 フレキソ印刷原版、及びフレキソ印刷版の製造方法
US20210129573A1 (en) 2019-11-04 2021-05-06 Anthony P. Kitson Solvent-free flexographic imaging and printing with photoresponsive printing members
NL2026610B1 (en) * 2020-10-02 2022-06-03 Xeikon Prepress Nv Method and system to determine an exposure time and/or intensity to be used for obtaining a desired feature of a relief structure

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323636A (en) * 1971-04-01 1982-04-06 E. I. Du Pont De Nemours And Company Photosensitive block copolymer composition and elements
CA1099435A (fr) * 1971-04-01 1981-04-14 Gwendyline Y. Y. T. Chen Traduction non-disponible
US4162919A (en) * 1974-11-29 1979-07-31 Basf Aktiengesellschaft Laminates for the manufacture of flexographic printing plates using block copolymers
US4045231A (en) * 1975-03-15 1977-08-30 Tokyo Ohka Kogyo Kabushiki Kaisha Photosensitive resin composition for flexographic printing plates
US4264708A (en) * 1978-03-31 1981-04-28 E. I. Du Pont De Nemours And Company Radiation sensitive element having a thin photopolymerizable layer
DE2942183A1 (de) * 1979-10-18 1981-05-07 Basf Ag, 6700 Ludwigshafen Fotopolymerisierbare gemische und elemente daraus
US4264705A (en) * 1979-12-26 1981-04-28 Uniroyal, Inc. Multilayered elastomeric printing plate
US4357413A (en) * 1980-04-28 1982-11-02 E. I. Du Pont De Nemours And Company Dry-developing photosensitive dry film resist
BR8103183A (pt) * 1980-05-27 1982-02-09 Du Pont Camada foto-sensivel fina;elemento foto-resistor;substrato com uma camada foto-sensivel fina laminada;e processo para aparacao de camada foto-sensivel e de um material polimerico fino
JPS60211451A (ja) * 1984-04-05 1985-10-23 Asahi Chem Ind Co Ltd 感光性エラストマ−組成物
US4686172A (en) * 1985-07-18 1987-08-11 Uniroyal Plastics Co., Inc. Photosensitive elastomeric composition for flexographic printing plates having improved softness
US4753865A (en) * 1986-01-22 1988-06-28 E. I. Du Pont De Nemours And Company Photosensitive compositions containing microgels
JPH0746224B2 (ja) * 1986-06-27 1995-05-17 日本ペイント株式会社 感光性フレキソ印刷版
DE3630474A1 (de) * 1986-09-06 1988-03-10 Basf Ag Verfahren zur herstellung von aufzeichnungsschichten und deren verwendung zur herstellung von flexodruckformen
EP0266069A3 (fr) * 1986-10-01 1988-09-21 Napp Systems (Usa) Inc. Composition photopolymérisable pour plaques d'impression

Also Published As

Publication number Publication date
AR246364A1 (es) 1994-07-29
JP2772055B2 (ja) 1998-07-02
NO893463D0 (no) 1989-08-29
US4894315A (en) 1990-01-16
DK425389A (da) 1990-03-01
DK425389D0 (da) 1989-08-29
AU4086289A (en) 1990-03-08
AU609638B2 (en) 1991-05-02
JPH02108632A (ja) 1990-04-20
DE68929016D1 (de) 1999-07-22
EP0356952B1 (fr) 1999-06-16
CA1336048C (fr) 1995-06-27
EP0356952A3 (fr) 1991-03-27
EP0356952A2 (fr) 1990-03-07

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