EP1031413A2 - Strahlungsempfindliches Aufzeichnungsmaterial zur Herstellung von Wasserlos-Offsetdruckplatten - Google Patents
Strahlungsempfindliches Aufzeichnungsmaterial zur Herstellung von Wasserlos-Offsetdruckplatten Download PDFInfo
- Publication number
- EP1031413A2 EP1031413A2 EP00103354A EP00103354A EP1031413A2 EP 1031413 A2 EP1031413 A2 EP 1031413A2 EP 00103354 A EP00103354 A EP 00103354A EP 00103354 A EP00103354 A EP 00103354A EP 1031413 A2 EP1031413 A2 EP 1031413A2
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- EP
- European Patent Office
- Prior art keywords
- recording material
- layer
- weight
- material according
- radiation
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
- B41C1/1008—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
- B41C1/1016—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials characterised by structural details, e.g. protective layers, backcoat layers or several imaging layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/04—Negative working, i.e. the non-exposed (non-imaged) areas are removed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/14—Multiple imaging layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/16—Waterless working, i.e. ink repelling exposed (imaged) or non-exposed (non-imaged) areas, not requiring fountain solution or water, e.g. dry lithography or driography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/22—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by organic non-macromolecular additives, e.g. dyes, UV-absorbers, plasticisers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/24—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by a macromolecular compound or binder obtained by reactions involving carbon-to-carbon unsaturated bonds, e.g. acrylics, vinyl polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/26—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by a macromolecular compound or binder obtained by reactions not involving carbon-to-carbon unsaturated bonds
Definitions
- the invention relates to a recording material that can be digitally imaged with IR radiation with - in this order - an aluminum support, a primer coat, an infrared radiation absorbing layer and a silicone layer. It also relates to a method for producing a printing plate for the waterless offset printing from the recording material.
- DE-B there is also an insulating layer in DE-B from an oleophilic or ink-accepting resin mentioned between a highly heat-conductive metallic carrier and the IR-absorbent Layer can be arranged.
- the type of resin is not essential. Any oleophilic resins based on in the field of planographic printing. Phenol and cresol-formaldehyde resins are mentioned, Vinyl resins, alkyd resins, polyester resins, polyamides, polyvinyl acetate, Polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), polystyrene and Polyethylene.
- PVC Polyvinyl chloride
- PVDC polyvinylidene chloride
- EP-A 0 802 067 describes a recording material for the production of waterless offset printing plates which comprises a support, a heat-insulating and a heat-sensitive layer and an ink-repellent cover layer.
- a degreased 0.24 mm thick aluminum foil is used as the carrier.
- the heat-insulating layer can be produced by applying a mixture of polyurethane resin, blocked isocyanate, epoxy-phenol-urea resin, dibutyltin diacetate, Victoria purple BOH naphthalenesulfonic acid in dimethylformamide and then drying. The weight of the insulating layer is then 5 g / m 2 . A mixture of nitrocellulose, carbon black, polyurethane, modified epoxy resin, epoxy acrylate and diethylenetriamine in methyl isobutyl ketone can then be applied to the dried layer and then dried for 1 minute (layer weight: 2 g / m 2 ).
- the top layer consists of an RTV-2 addition type silicone rubber.
- EP-A 763 424 describes a process for producing a waterless printing Offset printing plate disclosed, in which a material is used, the one Carrier, a layer that converts laser beams into heat, and a layer, the ink repels. Between the support and the layer that Laser beams absorbed, yet another layer can be arranged that For example, an improved acceptance of the ink causes.
- This layer consists in particular of organic polymers, in particular of acrylic, Methacrylic, styrene or vinyl ester polymers, made of polyester or polyurethane.
- the digitally imageable recording material for waterless offset printing plates with IR laser beams comprises a carrier, an IR-absorbent Layer and an overlying silicone layer. Between porters and an IR-absorbing layer, there may also be a primer layer. It contains no IR-absorbing soot particles, but other pigments or Dyes that make the image created by laser radiation stand out more clearly to let. It also reduces the outflow of heat from the IR absorbent Layer in the carrier.
- the recording material for waterless offset printing plates described in EP-A 755 781 comprises a thin metal layer, the IR laser beams is absorbed and ablated.
- WO 97/00175 describes a recording material for waterless printing Discloses offset plates which have an oleophilic support, absorbing IR radiation, preferably oleophilic layer and a preferably oleophobic layer Cover layer that is ablated by IR radiation contains.
- the problem was solved by making a mixture of the primer layer an unmodified epoxy resin with another organic polymer and used a crosslinker.
- the subject of the present invention is digital with IR radiation imageable recording material with - in this order - a carrier, a primer layer, an IR absorbing layer and a silicone layer, which is characterized in that the primer layer is a mixture contains an unmodified epoxy resin, another organic Polymer, which has functional groups, and a crosslinker, which with the unmodified epoxy resin and the functional groups of the organic Polymers reacts.
- the unmodified epoxy resin has secondary hydroxyl groups and remaining epoxy groups no further reactive groups, in particular no ester, acetal or carboxy groups. As a rule, it does not contain any Carbon chains with more than three aliphatic carbon atoms.
- the total share the unmodified epoxy resins are generally 0.5 to 95.0 % By weight, preferably 2.0 to 80.0% by weight, particularly preferably 5.0 to 70.0% by weight, each based on the total weight of the non-volatile components of the Primer coat.
- the weight ratio of unmodified epoxy resins to the other organic polymers with functional groups are advantageously in Range from 1:36 to 89: 1, especially in the range from 1: 8 to 8: 1.
- the functional groups of the further organic polymer are preferably hydroxyl and / or carboxy groups.
- this polymer generally contains chains of more than 3, in particular more than 12, aliphatic carbon atoms.
- it can be a vinyl polymer with a main chain consisting of many (ie 20 or more) aliphatic carbon atoms or a polymer which contains side or terminal aliphatic radicals with more than 8, in particular also more than 12 carbon atoms in a chain.
- Organic polymers which have particularly suitable functional groups are fatty acid-modified, oven- or air-drying epoxy resins, in particular epoxy resins based on bisphenol-A, available under the name ®Duroxyn from Vianova Resins GmbH & Co.
- the modification of the epoxy resins is achieved by esterification with a long-chain, saturated or unsaturated (C 12 -C 26 ) fatty acid or a mixture of such fatty acids.
- the proportion of fatty acid modification is generally 20 to 80% by weight, preferably 30 to 70% by weight, particularly preferably 40 to 60% by weight, in each case based on the total weight of the fatty acid-modified epoxy resin.
- the carrier is generally made of metal or a metal alloy.
- On preferred carrier of this type is a degreased, mill-finished or simple Process (for example by pickling or wet brushing) pretreated plate or foil made of aluminum or an aluminum alloy.
- electrochemically pretreated aluminum supports are for the Recording material according to the invention is in no case necessary.
- a chemical pretreatment for example with silane coupling agents, is however possible.
- the primer layer not only brings about improved adhesion, but also at the same time also a particularly high thermal insulation.
- the primer layer permanently and firmly anchors the overlying IR radiation-sensitive layer on the metallic support.
- the primer layer further contains a hardener or crosslinker.
- a hardener or crosslinker are generally polyfunctional, low molecular weight compounds that can react with the reactive groups, especially the hydroxyl groups, the unmodified epoxy resin and the organic polymer.
- Formaldehyde adducts derived from urea, melamine or benzoguanamine, and completely or partially etherified formaldehyde-amine adducts are particularly suitable. These include in particular partially or completely etherified melamine-formaldehyde adducts with methanol, ethanol, propanol or butanol.
- the proportion of the crosslinking agent is advantageously 5 to 35% by weight, preferably 10 to 30% by weight, in each case based on the total weight of the nonvolatile constituents of the layer.
- the hardener or crosslinker can optionally also react with the functional group-containing organic polymer.
- the curing caused by crosslinking is usually carried out in the presence of organic acids, in particular phosphoric acid derivatives or para- toluenesulfonic acid.
- the proportion of acid is expediently 0.5 to 4% by weight, based on the total weight of the non-volatile constituents of the primer layer.
- it preferably also contains finely divided pigments, in particular inorganic pigments, such as SiO 2 , Al 2 O 3 , ZrO 2 or TiO 2 pigments.
- the average diameter of the pigment particles is generally less than 10 ⁇ m, preferably less than 1.0 ⁇ m.
- the pigment particles are predispersed in the fatty acid-modified epoxy resin.
- the proportion of the pigments is generally 1 to 40% by weight, preferably 5 to 30% by weight, in each case based on the total weight of the non-volatile constituents of the primer layer.
- the primer layer can also contain the usual additives which bring about a more uniform layer course (so-called leveling agent) or contribute to it, so that the layer can be applied more easily.
- leveling agent examples include silicone oils that are available under the name ®Edaplan, alongside surface-active agents and / or adhesion promoters.
- the proportion of the additives is generally not more than 10% by weight, preferably not more than 5% by weight, in each case based on the total weight of the non-volatile constituents of the primer layer.
- Crosslinkers, pigments and additives generally have a share of up to 50% by weight, based on the total weight of the layer.
- the weight of the primer layer is generally 0.5 to 10.0 g / m 2 , preferably 1.0 to 5.0 g / m 2 , particularly preferably 2.0 to 4.0 g / m 2 .
- the pigments or dyes optionally contained in the IR-absorbing layer particularly absorb laser beams with a wavelength in the infrared range (especially in the range from 700 to 1200 nm). Soot should also be counted among the pigments here.
- Suitable IR absorbers are mentioned in J. Fabian et al., Chem. Rev. 92 [1992] 1197.
- pigments which contain metals, metal oxides, metal sulfides, metal carbides or similar metal compounds are also suitable. Finely divided metallic elements of III are preferred. to V. main group and I., II. and IV. to VIII.
- the absorbent pigment particles should have an average diameter of not more than 30 ⁇ m if possible.
- the proportion of the IR-absorbing component is generally 2 to 80% by weight, preferably 5 to 57% by weight, in each case based on the total weight of the nonvolatile constituents of the layer.
- the IR-absorbing layer also contains at least one polymeric, organic binder. Binders that decompose by themselves when exposed to heat are particularly advantageous. These self-oxidizing binders include, in particular, nitrocellulose. In addition, non-self-oxidizing polymers can also be used, which decompose indirectly when thermally induced to form gaseous or volatile fission products.
- Examples include cellulose ethers and esters (such as ethyl cellulose and cellulose acetate), (meth) acrylate polymers and copolymers (such as poly (methyl methacrylate), poly (butyl acrylate), poly (2-hydroxyethyl methacrylate), lauryl acrylate / methacrylic acid - Copolymers), polystyrene, poly (methyl styrene), vinyl chloride / vinyl acetate copolymers, vinylidene chloride / acrylonitrile copolymers, polyurethanes, polycarbonates, polysulfones, polyvinyl alcohol, polyvinyl pyrrolidone.
- cellulose ethers and esters such as ethyl cellulose and cellulose acetate
- (meth) acrylate polymers and copolymers such as poly (methyl methacrylate), poly (butyl acrylate), poly (2-hydroxyethyl methacrylate), lauryl
- the directly or indirectly thermally decomposable polymers are not always necessary, so that other film-forming polymers can also be used. This applies if the IR-absorbing component already forms sufficient volatile products when irradiated. Soot, for example, burns when IR laser beams hit it and accordingly supplies gaseous combustion products. They are used either in combination with the thermally decomposable materials or alone.
- the proportion of the binders is generally about 10 to 95% by weight, preferably 20 to 80% by weight, in each case based on the total weight of the nonvolatile constituents of the layer.
- the layer can also contain compounds that form the binder network.
- the type of crosslinker depends on the chemical functionality of the binder (S. Paul, Crosslinking Chemistry of Surface Coatings in Comprehensive Polymer Science Volume 6, Chap. 6, page 149). Nitrocellulose leaves yourself with a melamine or a di, tri or polyisocyanate network and harden with it.
- the proportion of the crosslinker (s) is general 0 to 30% by weight, preferably 3 to 20% by weight, particularly preferably 5 to 15 % By weight, based in each case on the total weight of the non-volatile constituents the layer.
- the IR-absorbing layer can also contain compounds which disintegrate under the action of heat and / or IR rays or chemically induced and thereby form chemically active species (in particular acids), which in turn cleave or decompose the polymeric, organic binder cause. This in turn creates volatile fission or decomposition products. Binders containing tert- butoxycarbonyl groups, for example, provide CO 2 and isobutene when acid acts on it. Furthermore, the layer may contain compounds which form low-molecular, gaseous or at least volatile fission products (Encycl. Polym. Sci. Eng., Vol. 2, page 434). Examples of such compounds are diazonium salts, azides, bicarbonates, and azobicarbonates.
- the IR-absorbing layer can also contain stabilizers to increase the shelf life, plasticizers, catalysts to initiate the crosslinking reaction, matting agents, additional dyes, surfactants, leveling agents or other auxiliaries to improve durability, processing or reprographic quality.
- the proportion of these additives is generally 0 to 50% by weight, preferably 5 to 30% by weight, in each case based on the weight of the nonvolatile constituents of the layer.
- the total weight of the IR-absorbing layer is generally 0.1 to 4.0 g / m 2 , preferably 0.2 to 3.0 g / m 2 , particularly preferably 0.5 to 1.5 g / m 2 .
- silicone layer on the IR-absorbing layer basically any silicone rubber that is sufficiently color-repellent to a Printing without allowing fountain solution.
- silicone rubber here according to the definition of Noll, “Chemistry and Technology der Silicones ", Verlag Chemie, 1968, page 332, a high molecular weight, essentially linear diorganopolysiloxane can be understood.
- the term "silicone rubber” is used.
- a silicone rubber solution on the radiation sensitive Layer applied, dried and crosslinked. Suitable as a solvent e.g. isoparaffin mixtures (e.g. ®Isopar from Exxon) or ketones, like butanone.
- the silicone rubbers can be single or multi-component rubbers. Examples of this can be found in DE-A 23 50 211, 23 57 871 and 23 59 102.
- Condensation silicone rubbers for example one-component silicone rubbers, are preferred (RTV-1). They are usually based on polydimethylsiloxanes, the hydrogen atoms at the ends, acetyl, oxime, alkoxy or Wear amino groups or other functional groups.
- the methyl groups in the bar can by other alkyl groups, haloalkyl groups or unsubstituted or substituted aryl groups can be replaced.
- the terminal ones functional groups are easily hydrolyzable and harden in the presence of Moisture in a period of a few minutes to a few hours out.
- the multi-component silicone rubbers are by addition or condensation networkable.
- the addition-crosslinkable types generally contain two different types Polysiloxanes.
- One is polysiloxane in a proportion of 70 to 99 % By weight and has alkylene groups (especially: vinyl groups) which Silicon atoms of the main chain are bound.
- the other is in a proportion of 1 to 10% by weight is present.
- the addition reaction then takes place in the presence of about 0.0005 to 0.002 wt% of a platinum catalyst at temperatures greater than 50 ° C.
- Multi-component silicone rubbers have the advantage that they are higher Network temperature (approx. 100 ° C) very quickly. The time in which they are Processed, the so-called "pot life", however, is often relatively short.
- the mixtures which can be crosslinked by condensation contain diorganopolysiloxanes with reactive end groups, such as hydroxyl or acetoxy groups. This are crosslinked with silanes or oligosiloxanes in the presence of catalysts.
- the crosslinkers have a proportion of 2 to 10% by weight, based on the total weight the silicone layer.
- the catalysts have a proportion of 0.01 to 6 % By weight, again based on the total weight of the silicone layer. Also these combinations react relatively quickly and therefore have only one limited pot life.
- the silicone layer can also contain other components. These can too additional networking, better adhesion, mechanical reinforcement or serve for coloring.
- the other components have one Proportion of not more than 10% by weight, preferably not more than 5% by weight, in each case based on the total weight of the silicone layer.
- a preferred mixture consists of hydroxy-terminated polydimethylsiloxanes, a silane crosslinking component (especially a tetra or trifunctional Alkoxy, acetoxy, amido, amino, aminoxy, ketoxime or enoxysilane), a crosslinking catalyst (in particular an organotin or a Organotitanium compound) and optionally other components (in particular Organopolysiloxane compounds with Si-H bonds, silanes with adhesion-promoting agents Properties, reaction retarders, fillers and / or dyes).
- a silane crosslinking component especially a tetra or trifunctional Alkoxy, acetoxy, amido, amino, aminoxy, ketoxime or enoxysilane
- a crosslinking catalyst in particular an organotin or a Organotitanium compound
- optionally other components in particular Organopolysiloxane compounds with Si-H bonds, silanes with adhesion-promoting agents Properties, reaction retard
- the silicone rubbers are crosslinked in a known manner by exposure to moisture or by themselves at room temperature or at elevated temperature to form a silicone rubber which is essentially insoluble in organic solvents.
- the weight of the finished silicone layer is generally 1.0 to 5.0, preferably from 1.2 to 3.5, particularly preferably 1.5 to 3.0 g / m 2 .
- a plastic film on the Laminated silicone layer is particularly suitable. In front the image-wise radiation is removed again.
- the recording material according to the invention is produced according to the usual and processes known to the person skilled in the art.
- the components of the primer layer are generally in an organic solvent or solvent mixture dissolved or dispersed and on the optionally pretreated carrier upset.
- the coating itself can be by pouring, spin coating or similar known methods respectively.
- the solvent is then removed by drying. This will the material expediently for 1 to 3 min to a temperature in the range of 80 heated up to 130 ° C.
- the crosslinking reaction occurs at the same time as heating accelerates.
- the components of the IR radiation sensitive Layer dissolved in an organic solvent or solvent mixture or dispersed.
- the solution or dispersion is then applied to the primer layer and dried.
- the drying conditions can be the same as during production the primer layer can be selected.
- the IR radiation-sensitive layer is then, as already described, the Silicone rubber layer applied, dried and crosslinked. Suitable Drying conditions are, for example, 1 min at 120 ° C.
- the imaging material is generally irradiated by irradiation with radiation with a wavelength of approximately 700 to 1100 nm, so with IR radiation.
- the imaging is generally digital, i.e. without film template, in a suitable radiation device.
- the device is for example an inner or outer drum imagesetter or a flat bed imagesetter.
- the radiation-sensitive layer decomposes (usually with the formation of gaseous decomposition products), so that the overlying silicone layer is no longer firmly anchored there.
- the silicone layer itself absorbs practically no IR radiation and therefore cannot be ablated as such by IR radiation.
- the irradiated recording material is then placed in a waterless printing plate usual and known device with water or treated aqueous solution. This process is expediently carried out by Brushing or otherwise mechanically supported.
- the Silicone layer removed in the areas hit by the IR radiation. On the swelling of the irradiated recording material can optionally to be dispensed with.
- the components of the The silicone layer can be separated by filtration. So this is not the case Problem of disposal of used, contaminated with chemicals Developer solutions.
- the recording material produced in this way was then drawn onto the roller of an external drum imagesetter and exposed to the IR radiation of an Nd-YAG laser which emitted radiation with a power of 100 mW and a wavelength of 1064 nm and whose spot size was 20 ⁇ m.
- the energy arriving on the plate was adjusted to 350 mJ / cm 2 by rotating the drum.
- the laser was moved so that lines were written in the material.
- the material digitally imaged in this way was then treated with water at room temperature in a system customary for the development of waterless printing plates and brushed in order to close the IR radiation-sensitive layer in the areas hit by the radiation and the areas above the silicone layer remove.
- the sensitivity was deduced from the width of the lines produced in the material. The closer the line width comes to the diameter of the laser beam used for exposure (20 ⁇ m), the higher the sensitivity.
- the recording material thus produced was on an outer drum imagesetter (40 revolutions per minute) of radiation from IR laser diodes (830 nm; power of 10 watts) exposed and yielded water-assisted mechanical removal of the ablated layer residues sharp high resolution image.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
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- Manufacturing & Machinery (AREA)
- Printing Plates And Materials Therefor (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Materials For Photolithography (AREA)
Abstract
Description
- 56,7 g
- ®EFWEKO NC 118/2 der Degussa AG (Gemisch aus 18 % High Color Channel (HCC-)Ruß, 56 % Collodiumwolle (Dinitrocellulose), 22 % Weichmacher und 4 % Additiv); 20 %ige Dispersion in Ethylenglykol-monomethylether,
- 6,0 g
- modifiziertes Siloxan/Glykol-Copolymer (®Edaplan LA 411 der Münzing Chemie GmbH, Heilbronn), 1 %ige Lösung in Butanon,
- 3,0 g
- Polyisocyanat-Vernetzer (etwa 31 % NCO-Gruppen; ®Desmodur VKS 20 F der Bayer AG), 20 %ige Lösung in Butanon,
- 164,26 g
- Butanon und
- 69,84 g
- Ethylenglykol-monomethylether (®Dowanol PMA von Dow Chemical)
- 4,97 g
- Nitrocellulose (enthält 18 % Dibutylphthalat als Weichmacher; Walsroder NC-Chips E 950 von Wolff Walsrode AG),
- 4,13 g
- Polyisocyanat-Vernetzer (etwa 31 % NCO-Gruppen; ®Desmodur VKS 20F der Bayer AG), 20 %ige Lösung in Butanon,
- 64,22 g
- einer Dispersion aus 7,51 g LCF(Low Color Furnace)-Ruß (Spezialschwarz 100 von Degussa), 3,22 g Nitrocellulose (Walsroder NC-Chips E 950) und 53,4 g Ethylenglykol-monomethylether (®Dowanol PMA),
- 8,25 g
- modifiziertes Siloxan/Glykol-Copolymer (®Edaplan LA 411 der Münzing Chemie GmbH, Heilbronn), 1 %ige Lösung in Butanon,
- 201,93 g
- Butanon und
- 266,60 g
- Ethylenglykol-monomethylether
- 23,79 g
- eines hydroxy-terminierten Polydimethylsiloxans mit einer Viskosität von etwa 5.000 mP·s,
- 2,54 g
- Tris-(methyl-ethyl-ketoximo)-vinyl-silan (H2C=CH-Si[-O-N=C(CH3)-C2H5]3),
- 13,50 g
- einer 1%igen Lösung von Dibutylzinnacetat in einem isoparaffinischen Kohlenwasserstoff-Gemisch mit einem Siedebereich von 117 bis 134 °C (Katalysator C80 der Wacker Chemie GmbH),
- 0,54 g
- 3-(2-Amino-ethyl)-amino-propyl-trimethoxy-silan,
- 177,74 g
- eines isoparaffinischen Kohlenwasserstoff-Gemisches mit einem Siedebereich von 117 bis 134 °C (®Isopar E von Exxon) und
- 81,90 g
- Butanon
Komponente | Beispiele (V = Vergleichsbeispiel) | ||||||||
V | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
Duroxyn EF 900 (60 % Xylol) | 14,63 | 14,00 | 13,38 | 12,13 | 9,63 | 19,01 | - | - | - |
Macrynal SM 540 (60 %) | - | - | - | - | - | - | 19,01 | - | - |
Mowital B 30 H (15 % MEK) | - | - | - | - | - | - | - | 40,95 | - |
Carboset 526 | - | - | - | - | - | - | - | - | 7,02 |
Cymel 303 | 1,50 | 1,50 | 1,50 | 1,50 | 1,50 | 1,95 | 1,95 | 1,05 | 1,20 |
Beckopox EP 301 | - | 0,38 | 0,75 | 1,50 | 3,00 | 5,85 | 5,85 | 3,15 | 3,60 |
pTosOH (10 % PMA) | 1,50 | 1,50 | 1,50 | 1,50 | 1,50 | 1,95 | 1,55 | 1,05 | 1,20 |
Kronos 2059 -Dispersion | 11,25 | 11,25 | 11,25 | 11,25 | 11,25 | - | - | - | - |
Edaplan LA 411 (10 % PMA) | 0,75 | 0,75 | 0,75 | 0,75 | 0,75 | 0,98 | 0,98 | 0,53 | 0,60 |
Butanon | 75,15 | 75,40 | 75,65 | 76,15 | 77,15 | 78,30 | 78,30 | 48,89 | 82,80 |
Dowanol PMA | 43,23 | 45,23 | 45,23 | 45,23 | 45,23 | 41,96 | 41,96 | 54,38 | 53,58 |
Schichtgewicht (g/m2) | 2,1 | 2,0 | 2,0 | 2,1 | 2,0 | 3,4 | 3,5 | 2,8 | 2,8 |
Linienbreite (µm) | - | 13,9 | 12,2 | 12,6 | 11,8 | 14,6 | 12,9 | 10,8 | 13,7 |
- ®Duroxyn EF 900:
- Epoxidharz auf der Basis von Epichlorhydrin und Bisphenol-A, verestert mit Ricinenfettsäure, 58 % Epoxidharzanteil und 42 % Fettsäuremodifizierung; dynamische Viskosität (DIN 53 015; 23 °C): 650 bis 950 mPa s; eingesetzt wurde eine 60 %ige Lösung in Xylol
- ®Macrynal SM 540:
- Acrylharz mit Einheiten aus (2-Hydroxy-ethyl)-acrylat oder - methacrylat, einer Hydroxylzahl (DIN 53 240) von 40 bis 50, einem Hydroxylgruppengehalt (bezogen auf Feststoff) von etwa 1,4 % und einer dynamischen Viskosität (auf 50 % mit Xylol verdünnt; DIN 53 018/ISO 3219; 23 °C) von 300 bis 550 mPa s; eingesetzt wurde eine 60 %ige Lösung in Xylol/Butylacetat (Mischungsverhältnis: 9 Gt zu 1 Gt)
- ®Mowital B 30 H:
- Polyvinylbutyral mit 75 bis 78 % Vinylacetal-, 1 bis 4 % Vinylacetat- und 18 bis 21 % Vinylalkohol-Einheiten
- ®Carboset 526
- thermoplastisches Polyacrylat (Molekulargewicht Mw etwa 200.000; Säurezahl etwa 100; Glas-Übergangstemperatur Tg etwa 70 °C; Hersteller: B.F. Goodrich)
- ®Cymel 303
- Hexamethoxymethyl-melamin
- ®Beckopox EP 301
- nichtmodifiziertes Epoxidharz aus Epichlorhydrin und Bisphenol-A
- ®Kronos 2059
- TiO2-Pigment (eingesetzt wurde eine 50 %ige Dispersion von ®Duroxyn EF 900 und Kronos 2059 (1 : 1) in ®Dowanol PMA)
- pTsOH
- para-Toluolsulfonsäure
- MEK
- Methylethylketon (= Butanon)
- 1,57 g
- Nitrocellulose (enthält 18 % Dibutylphthalat als Weichmacher; Walsroder NC-Chips E 950 von Wolff Walsrode AG),
- 2,75 g
- Polyisocyanat-Vernetzer (etwa 31 % NCO-Gruppen; ®Desmodur VKS 20F der Bayer AG), 20 %ige Lösung in Butanon,
- 59,03 g
- einer Dispersion aus 6,20 g LCF(Low Color Furnace)-Ruß (Spezialschwarz 250 von Degussa), 2,66 g Nitrocellulose (Walsroder NC-Chips E 950) und 50,18 g Ethylenglykol-monomethylether (®Dowanol PMA),
- 5,50 g
- modifiziertes Siloxan/Glykol-Copolymer (®Edaplan LA 411 der Münzing Chemie GmbH, Heilbronn), 1 %ige Lösung in Butanon,
- 207,96 g
- Butanon und
- 273,22 g
- Ethylenglykol-monomethylether
- 36,44 g
- eines hydroxy-terminierten Polydimethylsiloxans mit einer Viskosität von etwa 6.000 mP·s (CDS 6T der Wacker Chemie GmbH),
- 2,56 g
- Tris-(methyl-ethyl-ketoximo)-vinyl-silan (H2C=CH-Si[-O-N=C(CH3)-C2H5]3),
- 20,00 g
- einer 1%igen Lösung von Dibutylzinnacetat in einem isoparaffinischen Kohlenwasserstoff-Gemisch mit einem Siedebereich von 117 bis 134 °C (®Isopar E von Exxon),
- 0,80 g
- 3-(2-Amino-ethyl)-amino-propyl-trimethoxy-silan,
- 302,20 g
- eines isoparaffinischen Kohlenwasserstoff-Gemisches mit einem Siedebereich von 117 bis 134 °C (®Isopar E von Exxon) und
- 138,00 g
- Butanon
Komponente | Beispiele | |||||||||
9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
Duroxyn EF 900 (60 % Xylol) | 22,00 | 7,33 | 7,33 | 7,33 | 7,33 | 7,33 | 7,33 | 7,33 | 7,33 | 7,33 |
Beckopox EP 301 | 6,27 | 6,27 | 6,27 | 6,27 | 6,27 | 6,27 | 6,27 | 6,27 | 6,27 | 6,27 |
Cymel 303 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 |
pTosOH (10 % PMA) | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 | 2,20 |
Kronos 2310-Disp. (50 %) | -- | 17,60 | -- | -- | -- | -- | -- | -- | -- | -- |
Kronos 2059-Disp. (50 %) | -- | -- | 17,60 | -- | -- | -- | -- | -- | -- | -- |
Alcoa P 807-Disp. (50 %) | -- | -- | -- | 17,60 | -- | -- | -- | -- | -- | -- |
Alcoa P 808-Disp. (50 %) | -- | -- | -- | -- | 17,60 | -- | -- | -- | -- | -- |
Tosoh TZ-O-Disp. (50 %) | -- | -- | -- | -- | -- | 17,60 | -- | -- | -- | -- |
Tosoh TZ-3Y-Disp. (50 %) | -- | -- | -- | -- | -- | -- | 17,60 | -- | -- | -- |
Tosoh TZ-8Y-Disp. (50 %) | -- | -- | -- | -- | -- | -- | -- | 17,60 | -- | -- |
Aerosil R972-Disp. (30 %) | -- | -- | -- | -- | -- | -- | -- | -- | 29,33 | -- |
Kronos 2044-Disp. (40 %) | -- | -- | -- | -- | -- | -- | -- | -- | -- | 22,00 |
Edaplan LA 411 (10 % PMA) | 1,10 | 1,10 | 1,10 | 1,10 | 1,10 | 1,10 | 1,10 | 1,10 | 1,10 | 1,10 |
Butanon | 106,80 | 106,80 | 106,80 | 106,80 | 106,80 | 106,80 | 106,80 | 106,80 | 106,80 | 106,80 |
Dowanol PMA | 59,43 | 56,50 | 56,50 | 56,50 | 56,50 | 56,50 | 56,50 | 56,50 | 44,76 | 52,10 |
Schichtgewicht (g/m2) | 2,51 | 2,51 | 2,36 | 2,43 | 2,33 | 2,56 | 2,28 | 2,36 | 2,60 | 2,38 |
- ®Alcoa P 807/808
- Al2O3-Pigment der Alcoa Chemie GmbH
- ®Tosoh TZ-O/TZ-3Y/TZ-8Y
- ZrO2-Pigment der Tosoh Corporation/Japan
- ®Aerosil R 972
- SiO2-Pigment der Degussa AG
- 666,00 g
- ®Beckopox EP 301 (75 %ig in Xylol),
- 810,00 g
- ®Beckopox EP 301,
- 270,00 g
- ®Cymel 303,
- 270,00 g
- para-Toluolsulfonsäure (10 %ig in Ethylenglykol-monomethylether),
- 2160,00 g
- TiO2-Pigment (®Kronos 2310; 50 %ig in Ethylenglykol-monomethylether),
- 135,00 g
- modifiziertes Siloxan/Glykol-Copolymer (®Edaplan LA 411; 10 %ig in Ethylenglykol-monomethylether),
- 9180,00 g
- Butanon und
- 4509,00 g
- Ethylenglykol-monomethylether
- 3,31 g
- Nitrocellulose (enthält 18 % Dibutylphthalat als Weichmacher; Walsroder NC-Chips E 950 von Wolff Walsrode AG),
- 1,13 g
- Hexamethoxymethyl-melamin (®Cymel 301; 20 %ige Lösung in Butanon),
- 0,45 g
- para-Toluolsulfonsäure (10 %ig in Butanon),
- 0,90 g
- eines IR-absorbierenden Farbstoffs mit einem Absorptionsmaximum bei etwa 820 nm (®PRO-JET 830 von Zeneca Specialist Colours),
- 2,25 g
- modifiziertes Siloxan/Glykol-Copolymer (®Edaplan LA 411 der Münzing Chemie GmbH, Heilbronn), 1 %ige Lösung in Butanon,
- 83,77 g
- Butanon und
- 58,20 g
- Ethylenglykol-monomethylether
- 27,75 g
- eines hydroxy-terminierten Polydimethylsiloxans mit einer Viskosität von etwa 5.000 mP·s,
- 2,96 g
- Tris-(methyl-ethyl-ketoximo)-vinyl-silan,
- 15,75 g
- einer 1%igen Lösung von Dibutylzinnacetat in einem isoparaffinischen Kohlenwasserstoff-Gemisch mit einem Siedebereich von 117 bis 134 °C (Katalysator C 80 der Wacker Chemie GmbH),
- 0,63 g
- 3-(2-Amino-ethyl)-amino-propyl-trimethoxy-silan,
- 277,36 g
- eines isoparaffinischen Kohlenwasserstoff-Gemisches mit einem Siedebereich von 117 bis 134 °C (®Isopar E von Exxon) und
- 125,55 g
- Butanon
Claims (16)
- IR-strahlungsempfindliches Aufzeichnungsmaterial mit, in der Reihenfolge wie angegeben, einem Träger, einer Grundierschicht, einer IR-absorbierenden Schicht und einer Silikonschicht, dadurch gekennzeichnet, daß die Grundierschicht eine Mischung enthält aus einem nichtmodifizierten Epoxidharz, einem weiteren organischen Polymer, das funktionelle Gruppen aufweist, und einem Vernetzer, der mit dem nichtmodifizierten Epoxidharz und den funktionellen Gruppen des organischen Polymers reagiert.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die funktionellen Gruppen des organischen Polymers Hydroxy- und/oder Carboxygruppen sind.
- Aufzeichnungsmaterial gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß das funktionelle Gruppen aufweisende organische Polymer ein fettsäuremodifiziertes, ofen- oder lufttrocknendes Epoxidharz, ein teilweise acetalisierter Polyvinylalkohol oder ein Hydroxygruppen enthaltendes Acrylharz ist.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Anteil des nichtmodifizierten Epoxidharzes 2,0 % bis 94,0 Gew.-%, bevorzugt 2,5 bis 80,0 Gew.-%, besonders bevorzugt 2,5 bis 49,0 Gew.-%, jeweils bezogen auf das Gesamtgewicht der nichtflüchtigen Bestandteile der Grundierschicht, beträgt.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Gewichtsverhältnis von nichtmodifiziertem Epoxidharz zu dem weiteren organischen Polymer mit funktionellen Gruppen im Bereich von 1 : 36 bis 89 : 1, bevorzugt im Bereich von 1 : 8 bis 8 : 1, liegt.
- Aufzeichnungsmaterial gemäß Anspruch 5, dadurch gekennzeichnet, daß der Anteil des Vernetzers 5 bis 35 Gew.-%, bevorzugt 10 bis 30 Gew.-%, jeweils bezogen auf das Gesamtgewicht der nichtflüchtigen Bestandteile der Grundierschicht, beträgt.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Grundierschicht feinverteilt Pigmente, bevorzugt anorganische Pigmente, enthält.
- Aufzeichnungsmaterial gemäß Anspruch 7, dadurch gekennzeichnet, daß die anorganischen Pigmente SiO2-, Al2O3-, ZrO2- oder TiO2- Pigmente sind.
- Aufzeichnungsmaterial gemäß Anspruch 7 oder 8, dadurch gekennzeichnet, daß der Anteil der Pigmente 1 bis 40 Gew.-%, bevorzugt 5 bis 30 Gew.-%, jeweils bezogen auf das Gesamtgewicht der nichtflüchtigen Bestandteile der Grundierschicht, beträgt.
- Aufzeichnungsmaterial gemäß einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Träger eine entfettete, walzblanke oder in einfachen Verfahren vorbehandelte Platte oder Folie aus Aluminium oder einer Aluminiumlegierung ist.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die IR-absorbierende Schicht a) eine Komponente, die IR-Strahlungsenergie in Wärme umwandelt, b) ein polymeres Bindemittel, das unter der Einwirkung der aus der IR-Strahlung umgewandelten Wärme thermisch abgebaut oder zersetzt wird, und c) ein vernetzbares Harz und/oder ein Vernetzungsmittel, enthält.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß das Gewicht der IR-strahlungsempfindlichen Schicht bei 0,1 bis 4,0 g/m2, bevorzugt 0,2 bis 3,0 g/m2, besonders bevorzugt 0,5 bis 1,5 g/m2, beträgt.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Silikonschicht einen Kondensations-Silikonkautschuk umfaßt.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß das Gewicht der Silikonschicht 1,0 bis 5,0 g/m2, bevorzugt von 1,2 bis 3,5 g/m2, besonders bevorzugt 1,5 bis 3,0 g/m2, beträgt.
- Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß sich auf der Silikonschicht eine Kunststoffolie, bevorzugt eine Polyethylenfolie, befindet.
- Verfahren zur Herstellung einer Druckform für den wasserlosen Offsetdruck, dadurch gekennzeichnet, daß ein Aufzeichnungsmaterial gemäß einem oder mehreren der Ansprüche 1 bis 16 mit IR-Strahlung, bevorzugt mit IR-Laserstrahlung, bildmäßig bestrahlt und anschließend mit Wasser oder einer wäßrigen Lösung von den ablatierten Schichtbestandteilen befreit wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19908528A DE19908528A1 (de) | 1999-02-26 | 1999-02-26 | Strahlungsempfindliches Aufzeichnungsmaterial zur Herstellung von Wasserlos-Offsetdruckplatten |
DE19908528 | 1999-02-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1031413A2 true EP1031413A2 (de) | 2000-08-30 |
EP1031413A3 EP1031413A3 (de) | 2001-02-21 |
EP1031413B1 EP1031413B1 (de) | 2004-04-28 |
Family
ID=7899074
Family Applications (1)
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---|---|---|---|
EP00103354A Expired - Lifetime EP1031413B1 (de) | 1999-02-26 | 2000-02-22 | Strahlungsempfindliches Aufzeichnungsmaterial zur Herstellung von Wasserlos-Offsetdruckplatten |
Country Status (4)
Country | Link |
---|---|
US (1) | US6576399B1 (de) |
EP (1) | EP1031413B1 (de) |
JP (1) | JP2000250202A (de) |
DE (2) | DE19908528A1 (de) |
Cited By (5)
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WO2002053630A1 (de) * | 2001-01-08 | 2002-07-11 | Bayer Aktiengesellschaft | Transparente wärmeabsorbierende kunststoff-formmasse |
WO2004011259A1 (en) * | 2002-07-30 | 2004-02-05 | Creo Il. Ltd. | Single-coat self-organizing multi-layered printing plate |
US8875629B2 (en) | 2010-04-09 | 2014-11-04 | Presstek, Inc. | Ablation-type lithographic imaging with enhanced debris removal |
CN109749454A (zh) * | 2019-02-22 | 2019-05-14 | 四川大学 | 一种气源微发泡碳层的柔性耐烧蚀复合材料的制备方法 |
CN109796772A (zh) * | 2019-02-22 | 2019-05-24 | 四川大学 | 一种气源微发泡碳层的柔性耐烧蚀复合材料 |
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DE10227189A1 (de) | 2002-06-18 | 2004-01-08 | Basf Drucksysteme Gmbh | Verfahren zur Herstellung von Flexdruckformen mittels Laser-Direktgravur |
JP4026763B2 (ja) * | 2003-02-04 | 2007-12-26 | コダックグラフィックコミュニケーションズ株式会社 | 平版印刷版原版および製版方法 |
US20040253533A1 (en) * | 2003-06-12 | 2004-12-16 | Leon Jeffrey W. | Thermally sensitive composition containing nitrocellulose particles |
US7205091B2 (en) * | 2004-05-05 | 2007-04-17 | Presstek, Inc. | Lithographic printing with printing members having primer layers |
US7947417B2 (en) * | 2004-11-18 | 2011-05-24 | Xerox Corporation | Processes for the preparation of high sensitivity titanium phthalocyanines photogenerating pigments |
US7553593B2 (en) * | 2006-06-22 | 2009-06-30 | Xerox Corporation | Titanyl phthalocyanine photoconductors |
US9387659B2 (en) | 2011-05-17 | 2016-07-12 | Presstek, Llc | Ablation-type lithographic printing members having improved exposure sensitivity and related methods |
US9387660B2 (en) | 2011-05-17 | 2016-07-12 | Presstek, Llc | Ablation-type lithographic printing members having improved shelf life and related methods |
US8967043B2 (en) | 2011-05-17 | 2015-03-03 | Presstek, Inc. | Ablation-type lithographic printing members having improved exposure sensitivity and related methods |
MX2016014131A (es) * | 2014-04-30 | 2017-02-09 | Pirelli | Proceso para producir neumaticos provistos de componentes auxiliares para ruedas de vehiculo. |
US20230393460A1 (en) * | 2022-06-06 | 2023-12-07 | Polaroid Ip B.V. | Primers with improved reflective and thermally insulative properties for microcapsule imaging system |
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EP0897795A1 (de) * | 1997-08-20 | 1999-02-24 | Toray Industries, Inc. | Direkt beschreibbare Trockenflachdruckformen |
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JPH07199454A (ja) * | 1994-01-10 | 1995-08-04 | Fuji Photo Film Co Ltd | 湿し水不要感光性平版印刷版 |
IL114137A (en) | 1995-06-13 | 1998-12-06 | Scitex Corp Ltd | Infrared radiation-sensitive printing plates and methods for their preparation |
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-
1999
- 1999-02-26 DE DE19908528A patent/DE19908528A1/de not_active Withdrawn
-
2000
- 2000-02-16 US US09/504,952 patent/US6576399B1/en not_active Expired - Fee Related
- 2000-02-22 EP EP00103354A patent/EP1031413B1/de not_active Expired - Lifetime
- 2000-02-22 DE DE50006200T patent/DE50006200D1/de not_active Expired - Fee Related
- 2000-02-28 JP JP2000051888A patent/JP2000250202A/ja active Pending
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US4861698A (en) * | 1986-11-26 | 1989-08-29 | Fuji Photo Film Co., Ltd. | Photosensitive lithographic plate using no dampening water |
EP0764522A2 (de) * | 1995-09-22 | 1997-03-26 | Sun Chemical Corporation | Zusammensetzungen und lösungsmittelfreies Verfahren für die Herstellung von Flachdruckplatten mittels digitaler Speicherung |
WO1998031550A1 (en) * | 1997-01-17 | 1998-07-23 | Agfa-Gevaert Naamloze Vennootschap | Laser-imageable recording material and printing plate produced therefrom for waterless offset printing |
EP0897795A1 (de) * | 1997-08-20 | 1999-02-24 | Toray Industries, Inc. | Direkt beschreibbare Trockenflachdruckformen |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002053630A1 (de) * | 2001-01-08 | 2002-07-11 | Bayer Aktiengesellschaft | Transparente wärmeabsorbierende kunststoff-formmasse |
US6737162B2 (en) | 2001-01-08 | 2004-05-18 | Bayer Aktiengesellschaft | Transparent plastics molding composition |
WO2004011259A1 (en) * | 2002-07-30 | 2004-02-05 | Creo Il. Ltd. | Single-coat self-organizing multi-layered printing plate |
US8875629B2 (en) | 2010-04-09 | 2014-11-04 | Presstek, Inc. | Ablation-type lithographic imaging with enhanced debris removal |
CN109749454A (zh) * | 2019-02-22 | 2019-05-14 | 四川大学 | 一种气源微发泡碳层的柔性耐烧蚀复合材料的制备方法 |
CN109796772A (zh) * | 2019-02-22 | 2019-05-24 | 四川大学 | 一种气源微发泡碳层的柔性耐烧蚀复合材料 |
CN109796772B (zh) * | 2019-02-22 | 2022-07-05 | 四川大学 | 一种气源微发泡碳层的柔性耐烧蚀复合材料 |
CN109749454B (zh) * | 2019-02-22 | 2022-07-05 | 四川大学 | 一种气源微发泡碳层的柔性耐烧蚀复合材料的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1031413B1 (de) | 2004-04-28 |
EP1031413A3 (de) | 2001-02-21 |
DE19908528A1 (de) | 2000-08-31 |
DE50006200D1 (de) | 2004-06-03 |
JP2000250202A (ja) | 2000-09-14 |
US6576399B1 (en) | 2003-06-10 |
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