WO2009150996A1 - Plaque de sérigraphie en résine pour réalisation d’impression laser et procédé de production associé, et plaque de sérigraphie en résine et procédé de production associé - Google Patents

Plaque de sérigraphie en résine pour réalisation d’impression laser et procédé de production associé, et plaque de sérigraphie en résine et procédé de production associé Download PDF

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Publication number
WO2009150996A1
WO2009150996A1 PCT/JP2009/060272 JP2009060272W WO2009150996A1 WO 2009150996 A1 WO2009150996 A1 WO 2009150996A1 JP 2009060272 W JP2009060272 W JP 2009060272W WO 2009150996 A1 WO2009150996 A1 WO 2009150996A1
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Prior art keywords
resin
screen printing
printing plate
laser
screen
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PCT/JP2009/060272
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English (en)
Japanese (ja)
Inventor
道男 寺山
昭男 生江
浩之 二橋
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東洋インキ製造株式会社
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Application filed by 東洋インキ製造株式会社 filed Critical 東洋インキ製造株式会社
Priority to JP2010516827A priority Critical patent/JP5251979B2/ja
Priority to KR1020117000752A priority patent/KR101659390B1/ko
Priority to CN200980121882.4A priority patent/CN102056747B/zh
Publication of WO2009150996A1 publication Critical patent/WO2009150996A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/055—Thermographic processes for producing printing formes, e.g. with a thermal print head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/14—Forme preparation for stencil-printing or silk-screen printing
    • B41C1/145—Forme preparation for stencil-printing or silk-screen printing by perforation using an energetic radiation beam, e.g. a laser

Definitions

  • the present invention relates to a resin screen printing plate, a method for producing a resin screen printing plate, and a screen printing plate and a plate making method using the resin screen printing plate. More specifically, the present invention relates to a resin screen printing plate for laser plate making having at least a resin coating film formed by applying a two-component curable resin composition to a resin screen made of polyester, polyamide, or the like, and its production The present invention relates to a method, a screen printing plate produced using the resin screen printing plate, and a laser plate making method.
  • Screen printing is a type of stencil printing, and is a printing method in which a plate film is brought into close contact with a wrinkle stretched around a frame, and ink is passed through the opening of the wrinkle to transfer it to a printed material. It is a printing method that can be printed regardless of thickness, size, plane, and curved surface of printed matter, and can be printed on various materials such as paper, cloth, resin, metal, etc. Furthermore, a thick ink deposit layer is formed. It is known as a printing method that can Screen printing plate making methods are roughly classified into (1) direct method plate making and (2) indirect method plate making (see Non-Patent Documents 1 to 3).
  • a photosensitive solution emulsion
  • a photosensitive film is applied onto a screen mesh with a bucket or coated with a coating machine to form a photosensitive film, and then exposed through a positive film or negative film that is the original image to cure the photosensitive film.
  • the screen printing plate having the pattern of the original image is produced by washing and removing the uncured portion with a solvent or the like.
  • plate making since plate making is required, preparation of an original image, exposure and development steps are required, which is problematic in productivity, requires skill, and further costs for chemicals used in the development step.
  • these waste liquid treatments are also required.
  • a resin or monomer that is not UV-cured cannot be used, and further, exposure and development are performed under the presence of wrinkles.
  • problems such as the generation of moire due to interference between the positive and negative.
  • Indirect plate making is a method of creating an image using a photosensitive film separately from a framed screen and transferring it to a screen, and is also called a transfer method.
  • Indirect method plate making has a uniform photosensitive film thickness compared to direct method plate making, and there is no wrinkle interference between exposure and washing development, and a sharp image can be obtained, but the plate film is thin and easily damaged physically. Also, it is not suitable for thick film printing, and there is a problem that the number of printed sheets is small.
  • a direct method plate making that combines direct method plate making and indirect method plate making has been devised.
  • This plate making is carried out by making use of the emulsion of the direct method plate making, applying the photosensitive layer of the photosensitive film coated on the film to a ridge with water or a solvent, removing the film after drying, and then making the plate by exposure. Is the method.
  • This method is also called a direct film method, and is sometimes classified as a kind of direct method plate making.
  • like direct method plate making there are problems of exposure and development, and consideration of the environment and the like.
  • a screen made of a metal such as silk, polyester, nylon, stainless steel is known as a screen made of a screen printing plate (see Non-Patent Document 3).
  • the direct method plate making is generally used.
  • a halation phenomenon occurs during exposure in the plate making process, and sharp edges may not be obtained due to exposure by unnecessary reflected light. This phenomenon is caused by irregular reflection from the yarn, which is a screen material. Colored screen wrinkles are used for the purpose of preventing this phenomenon.
  • most of the resin screens used for screen printing are colored. For exposure, a light source in the ultraviolet region is generally used, but visible light is also mixed. For this reason, in order to absorb these, medium / light resin screens having opposite colors such as yellow, orange, and red are used (see Non-Patent Document 4).
  • a screen plate making method is also proposed in which a laser beam is selectively irradiated to a plate material to selectively open holes and a pattern formed by these holes is used as a plate. ing. For example, after a metal foil that has been opened in a pattern by some means is bonded to a metal screen via an adhesive, laser light is irradiated from the surface on the metal foil side to bond the pattern portion (opening) of the metal foil.
  • a method of producing a screen printing plate by evaporating and removing the agent (Patent Document 1), coating the openings of the screen in which openings are regularly formed on a metal foil with lacquer, filling the openings with lacquer, and irradiating with laser light
  • the method of manufacturing a screen printing plate by removing the lacquer of the opening through which ink should pass (Patent Document 2), laminating a sheet of polymer having a glass transition point of 100 ° C.
  • Patent Document 3 A method for producing a screen printing plate by irradiating a laser beam of 150 to 400 nm to decompose a high molecular weight material into a low molecular weight material and scatter it (Patent Document 3), A coating film is formed by applying a resin liquid containing 0.1% by mass or more of carbon black and increasing the absorbance at the oscillation wavelength of the laser beam, and irradiating the resin coating film with the laser beam.
  • Patent Document 4 for producing a screen printing plate by applying a laser beam to a laminate in which a polymer film layer is bonded to a metal screen mesh layer with an adhesive, thereby forming an opening in the polymer film layer.
  • Patent Document 5 A method for producing a screen printing plate by removing the adhesive layer by chemical treatment
  • a method of forming a screen printing plate by irradiating a resin film of a screen printing plate (plate material before plate making) with a predetermined pattern with laser light to thermally erase the resin film to form an opening of the predetermined pattern ( In the present specification, this is referred to as “laser screen plate-making method”.)
  • laser screen plate-making method a pattern mask required when a photosensitive film is used as a screen printing plate material, and an uncured portion of a photoresist is removed (development). ) And other operations are not required, so an improvement in productivity can be expected.
  • a process such as photoetching is necessary.
  • JP 54-8003 A Japanese Patent Laid-Open No. 64-82945 Japanese Patent Laid-Open No. 3-72364 Japanese Patent Laid-Open No. 2002-67527 Japanese Patent Laid-Open No. 11-77948
  • a metal bowl is used as a bowl. This is due to the fact that polyester and nylon rivets are less susceptible to heat than metal ridges, and burnt out or melts during laser plate making.
  • most of the screen printing plates currently used are polyester cocoons or nylon cocoons, and metal screens such as stainless steel cocoons are limited to a limited field, for example, the printing field of electronic circuits such as thick film IC circuits. Yes.
  • Resin screens such as polyester screens and nylon screens are advantageous in that they are less expensive than stainless steel screens, have excellent elastic recovery, and are relatively easy to handle during printing.
  • laser plate making can be used in screen plate making using a resin screen cage, it is possible to simplify the plate making of a printing plate used in normal screen printing, and to produce a printing plate at low cost without causing environmental problems. Since there is a merit, a laser plate making method and a screen printing plate material using a resin screen are required.
  • the present invention has been made in view of such conventional problems and demands.
  • a resin coating on the resin screen ⁇ By forming a resin coating on the resin screen ⁇ and irradiating the coating with laser light, the resin screen ⁇ is substantially damaged. It is an object of the present invention to provide a resin screen printing plate capable of forming a desired pattern (printing characters, design, etc.) opening by evaporating, scattering, or erasing only a resin coating film without imparting any of the above.
  • a screen screen having a specific light transmittance is used as the resin screen screen, and a resin screen printing plate formed of a two-component curable resin composition containing a specific carbon black is particularly produced by laser light irradiation.
  • laser engraving it is excellent for evaporating, scattering or erasing only the resin coating without substantially damaging the resin screen wall to form the desired pattern (printed characters, design, etc.) opening. It is an object of the present invention to provide this excellent resin screen printing plate.
  • a resin screen printing plate formed by bonding a polymer film to a two-component curable resin composition containing a specific carbon black, using a screen cage having a specific light transmittance as the resin screen cage.
  • a screen cage having a specific light transmittance as the resin screen cage.
  • only the resin coating film is evaporated, scattered or erased without substantially damaging the resin screen wall, and a desired pattern (printing characters, design, etc.) is opened.
  • the present invention is excellent in forming, and an object of the present invention is to provide this excellent resin screen printing plate.
  • the present invention also provides a method for producing the resin screen printing plate, a screen printing plate formed using the resin screen printing plate, and a method for laser plate making using the resin screen printing plate. It is intended to do.
  • the present inventors have used a specific resin composition as a resin composition to be applied to the resin screen wrinkles.
  • the present invention has been made by finding that it is possible to produce a screen printing plate without substantial wrinkle damage.
  • the present invention is a resin screen printing plate for laser plate making, a method for producing the resin screen printing plate for laser plate making, a resin screen printing plate formed using the resin screen printing plate for laser plate making, Further, the present invention relates to a method for producing a screen printing plate using the resin screen printing plate for laser plate making.
  • Resin screen printing for laser plate making comprising: a resin screen ⁇ , and a resin coating film formed by applying a two-component curable resin composition containing carbon black to the resin screen ⁇ Edition.
  • a resin screen printing plate for laser plate making in which a polymer film is laminated on a resin coating film formed by applying a two-component curable resin composition containing carbon black to a resin screen cage, A resin screen printing plate for laser plate making, wherein the polymer film has a surface treated on both sides or on one side of the resin coating layer to be laminated.
  • a polymer film, a resin coating film comprising the two-part curable resin composition, and a resin screen crease are bonded to the resin screen crease with a two-part curable resin composition containing carbon black.
  • a method for producing a resin screen printing plate for laser plate making comprising producing a resin screen printing plate for laser plate making.
  • the polymer film is used on both surfaces or one surface of the resin coating film is surface-treated.
  • a resin coating film is formed on a resin screen and irradiated with a laser beam, so that the resin screen is not damaged practically and only the resin film is evaporated or erased and removed.
  • the resin screen printing plate can be manufactured by the above, so that it is not necessary to prepare a negative or positive manuscript, and to expose and develop the photosensitive film, which are conventionally required when manufacturing a screen printing plate. Therefore, a screen printing plate using a resin screen can be manufactured easily and with high productivity. In addition, since no developer is used, a screen printing plate can be produced without any problem of environmental pollution due to the developer, which can contribute to further quality improvement and productivity improvement of the screen printing plate.
  • a plate can be formed. Furthermore, when a resin film consisting of a resin coating film and a polymer film subjected to a certain surface treatment is formed on the resin screen ⁇ , by making a laser plate to remove the polymer film and the resin coating film, a finer line can be obtained. A screen printing plate with high print reproducibility can be formed. A screen with high reproducibility of fine lines can be obtained by using a polymer film that has been subjected to a certain surface treatment and further improving adhesion to the resin coating. A printing plate can be formed. The present invention also provides a method for producing the resin screen printing plate, a screen printing plate formed using the resin screen printing plate, and a method for laser plate making using the resin screen printing plate. can do.
  • FIG. 2 is a conceptual cross-sectional view of a resin screen printing plate in which openings are formed by laser light irradiation on the resin screen printing plate for laser plate making shown in FIG. 1.
  • FIG. 4 is a schematic cross-sectional view of a resin screen printing plate in which an opening is formed by laser light irradiation on the resin screen printing plate for laser plate making shown in FIG. 3.
  • the resin screen printing plate for laser plate making of the present invention is formed by applying a resin screen wrinkle and a two-component curable resin composition containing carbon black to the resin screen wrinkle. It is characterized by having a resin coating film.
  • FIG. 1 is a diagram schematically showing a partially enlarged cross section of a resin screen printing plate for laser plate making according to the present invention
  • FIG. 2 is a diagram showing a laser beam irradiation of the resin screen printing plate for laser plate making according to the present invention. It is the figure which showed typically the partial expanded cross section of the screen printing plate in which the opening was formed by.
  • 1 is a resin screen printing plate
  • 2 is a resin screen ridge
  • 3 is a resin coating.
  • the resin screen printing plate 1 is formed as follows. First, the resin screen ridge is fixed to a not-shown frame using an adhesive, using the same method as that used for manufacturing a conventional screen printing plate.
  • the resin coating 3 is formed by applying a two-part curable resin composition containing carbon black on the resin screen thus stretched.
  • the number of meshes of the resin screen may be an appropriately known number of meshes according to the resolution required for the graphic to be printed, the ink used, and the printing target.
  • the two-part curable resin composition containing carbon black for forming the resin coating film of the resin screen printing plate for laser plate making of the present invention includes a two-part curable resin composition containing carbon black, an isocyanate compound, and a hydroxyl group-containing compound.
  • the polyester polyol is more preferably used as the hydroxyl group-containing compound.
  • carbon black is incorporated for the purpose of efficiently absorbing laser light and avoiding the influence of the laser light on the resin screen as much as possible.
  • the carbon black is too small, it is not possible to efficiently absorb the laser beam. Therefore, 0.5% by weight or more of the total amount of the two-part curable resin composition is preferable, and more preferably It is 1 weight% or more, and it is still more preferable that it is 3 weight% or more.
  • the two-part curable resin composition The total amount is preferably 20% by weight or less, more preferably 10% by weight or less.
  • the carbon black used in the present invention is not particularly limited by the type and production history, and various types such as commercially available oil furnace black, gas furnace black, thermal black, acetylene black, and channel black can be used. . Further, carbon black that has been subjected to treatment such as ozone treatment, plasma treatment, or liquid phase oxidation treatment that is usually performed may be used.
  • the particle size of carbon black preferably used in the present invention is preferably 0.01 to 1 ⁇ m, particularly 0.01 to 0.2 ⁇ m, as in the particle size range of carbon black used in ordinary inks and paints. preferable.
  • the particle diameter means an average primary particle diameter measured with a scanning electron microscope.
  • the dibutyl phthalate (DBP) oil absorption is preferably 80 ⁇ 120 (cm 3 / 100g ), as the nitrogen adsorption specific surface area, 60 ⁇ 130 (m 2 / g) are preferable.
  • the particle diameter means an average primary particle system measured with a scanning electron microscope, and the DBP oil absorption amount and the nitrogen adsorption specific surface area are both measured according to JIS K6217. These physical property values are generally used to represent the physical characteristics of carbon black.
  • the material of the resin screen ridge according to the present invention examples include silk, polyester, nylon and the like, and nylon and polyester are particularly preferable.
  • the light transmittance of the resin screen wrinkles with respect to light having a wavelength of 400 to 500 nm is preferably 40% or more, more preferably 50% or more, 70 to 100% is more preferable. In this case, the light transmittance at 600 nm of the resin screen was set to 100%.
  • the resin screen is preferably white to translucent, and more preferably transparent. Many conventional resin screens are colored yellow or orange and have a light transmittance of less than 40% (mostly 10% or less).
  • the light transmittance of the resin screen is a numerical value defined as follows.
  • the resin screen is heated to a temperature 10 to 20 ° C higher than the softening point of the material, and the film is formed to a film thickness of 50 ⁇ m, and its light transmittance is measured with an ultraviolet / visible spectrophotometer (V-560 JASCO Corporation). And the light transmission spectrum is measured in the range of 300 to 600 nm.
  • a film formed so that the incident light from the spectrophotometer is vertically incident is set, and the intensity of the transmitted light is measured. Measurement is made without putting anything in the reference sample, and the ratio of the transmitted light intensity to the incident light intensity is defined as the light transmittance (%).
  • the light transmittance at 400 to 500 nm is defined as 100% of the light transmittance at 600 nm of the sample.
  • the isocyanate compound used as a curing agent in the two-component curable resin composition according to the present invention is preferably an isocyanate compound that is usually used when forming a polyurethane, and is more than monoisocyanate, diisocyanate, and triisocyanate.
  • diisocyanate compounds are preferred in the present invention.
  • the diisocyanate compound include various known diisocyanate compounds such as alicyclic, aromatic, and aliphatic.
  • the isocyanate compound may be used alone or in combination of two or more as required.
  • alicyclic diisocyanate compound examples include cyclohexane-1,4-diisocyanate, isophorone diisocyanate, dicyclohexylmethane-4,4′-diisocyanate, 1,3-bis (isocyanatemethyl) cyclohexane, methylcyclohexane diisocyanate, norbornane diisocyanate, and the like. Is mentioned.
  • aromatic diisocyanate compound examples include 1,5-naphthylene diisocyanate, 4,4′-diphenylmethane diisocyanate, 4,4′-diphenyldimethylmethane diisocyanate, 4,4′-dibenzyl isocyanate, dialkyldiphenylmethane diisocyanate, and tetraalkyldiphenylmethane.
  • aromatic diisocyanate compound examples include 1,5-naphthylene diisocyanate, 4,4′-diphenylmethane diisocyanate, 4,4′-diphenyldimethylmethane diisocyanate, 4,4′-dibenzyl isocyanate, dialkyldiphenylmethane diisocyanate, and tetraalkyldiphenylmethane.
  • diisocyanate 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, tolylene diisocyan
  • Examples of the aliphatic diisocyanate compound include butane-1,4-diisocyanate, hexamethylene diisocyanate, isopropylene diisocyanate, methylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, m-tetramethylxylylene diisocyanate, Examples thereof include lysine diisocyanate and dimerized isocyanate obtained by converting a carboxyl group of dimer acid into an isocyanate group.
  • aromatic diisocyanate compounds are particularly preferred, and among them, 4,4′-diphenylmethane diisocyanate and tolylene diisocyanate, which are aromatic diisocyanate compounds, are obtained from the viewpoint of availability, ease of use, and film performance. preferable.
  • examples of the hydroxyl group-containing compound include compounds having two or more hydroxyl groups that react with an isocyanate compound to form polyurethane.
  • polyester polyol is preferable from the viewpoint of elastic recovery when a screen printing plate is used.
  • Examples of the polyester polyol include known polyester polyols.
  • the polyester polyol can be obtained by polymerizing a polyvalent carboxylic acid component and a polyol component according to a conventional method.
  • the polyvalent carboxylic acid component one or more of aromatic, aliphatic or alicyclic dicarboxylic acids and trivalent or higher polyvalent carboxylic acids can be used as appropriate.
  • aromatic dicarboxylic acid examples include terephthalic acid, isophthalic acid, o-phthalic acid, phthalic acid, 2,5-dimethylterephthalic acid, 1,4-naphthalenedicarboxylic acid, biphenyldicarboxylic acid, 2,6-naphthalenedicarboxylic acid, 1,2-bisphenoxyethane-p, p′-dicarboxylic acid, phenylintanedicarboxylic acid and the like, and ester-based derivatives thereof, such as acid anhydrides, ester compounds, alkali metal salts, alkaline earth metal salts, ammonium salts And the like.
  • Aliphatic and alicyclic dicarboxylic acids include succinic acid, adipic acid, sebacic acid, dodecanedioic acid, dimer acid, 1,3-cyclopentanedicarboxylic acid, 1,2-cyclohexanedicarboxylic acid, 1,4-cyclohexane Cyclohexanedicarboxylic acid, 5- (2,5-dioxotetrahydrofurfuryl) -3-methyl-3-cyclohexene-1,2-dicarboxylic acid, 5- (2,5-dioxotetrahydrofurfuryl) -3-cyclohexene -1,2-dicarboxylic acid and the like, and ester-forming derivatives thereof.
  • trivalent or higher polyvalent carboxylic acid examples include trimellitic acid, trimellitic anhydride, pyromellitic acid, pyromellitic anhydride, 4-methylcyclohexene-1,2,3-tricarboxylic acid, trimesic acid, 1,2 , 3,4-butanetetracarboxylic acid, 1,2,3,4-pentanetetracarboxylic acid, 3,3 ′, 4,4′-benzophenonetetracarboxylic acid, cyclopentanetetracarboxylic acid, 2,3,6, 7-naphthalenetetracarboxylic acid, 1,2,5,6-naphthalenetetracarboxylic acid, ethylene glycol bistrimellitic carboxylic acid, 2,2 ′, 3,3′-diphenyltetracarboxylic acid, thiophene-2,3,4 , 5-tetracarboxylic acid, polyvalent carboxylic acid such as ethylenetetracarboxylic acid, and ester
  • examples of the polyol component include glycols having two alcoholic hydroxyl groups and polyhydric alcohol components having three or more, and if necessary, one kind alone or two or more kinds may be used in combination.
  • examples of the glycol component include ethylene glycol, diethylene glycol, propylene glycol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 2,4-dimethyl-2-ethylhexane-1,3-diol, neopentyl glycol, 2 -Ethyl-2-butyl-1,3-propanediol, 2-ethyl-2-isobutyl-1,3
  • the polyester polyol used in the present invention can be produced by reacting the polyvalent carboxylic acid component and the polyol component by a conventionally known or well-known method.
  • Other examples include polyester polyols obtained by ring-opening polymerization of lactones such as polycaprolactone, poly ( ⁇ -methyl- ⁇ -valerolactone), and polyvalerolactone.
  • polyester polyol examples include, but are not limited to, those represented by the following general formula (I).
  • R 1 and R 2 are each independently a divalent alicyclic group which may have a substituent, a divalent aromatic group which may have a substituent, or a substituent.
  • n is a positive integer. .
  • the molecular weight of the polyester polyol can be used from a low molecular weight to a high molecular weight, preferably a polyester polyol having a molecular weight (weight average molecular weight) of 1,000 to 5,000, more preferably a molecular weight (weight average molecular weight) of 2,500. ⁇ 3,500 polyester polyols.
  • the hydroxyl value of the polyester polyol is preferably 50 to 300, more preferably 100 to 250. Two or more polyester polyols may be used in combination.
  • the molecular weight was determined as a polystyrene-converted molecular weight by measuring the molecular weight distribution by gel permeation chromatography (GPC).
  • the two-component curable resin composition according to the present invention includes, as necessary, a pigment dispersant, an antiblocking agent, a plasticizer, and a wax for improving the fluidity of the resin composition and the dispersibility of carbon black.
  • a pigment dispersant such as polyurethane urea resin, cellulose / acetate / alkylate resin, acrylic resin, maleic acid resin, polyvinyl butyral, rosin resin, chlorinated olefin resin, and fiber resin.
  • a two-component curable resin composition is formed by dissolving or dispersing carbon black, an isocyanate compound and a hydroxyl group-containing compound in a solvent.
  • a hydroxyl group-containing compound such as polyester polyol, carbon black, and a solvent are charged into a mixer such as a roll mill and mixed to obtain a main agent.
  • An isocyanate compound such as a diisocyanate compound, which is a curing agent, is added to the main agent and further mixed to produce a two-component curable resin composition in which carbon black is uniformly dispersed.
  • the ratio of the isocyanate compound and the compound having a hydroxyl group varies depending on what compound is used as the isocyanate compound and the compound having a hydroxyl group, but a diisocyanate compound is used as the isocyanate compound, and a polyester polyol is used as the hydroxyl group-containing compound.
  • the polyester polyol is usually used in an amount of 80 to 120 parts by weight, more preferably 90 to 110 parts by weight, based on 100 parts by weight of the diisocyanate compound.
  • the amount of the solvent is not particularly limited as long as the resin coating film for forming a printing plate can be satisfactorily formed by applying a two-component curable resin composition containing carbon black to a resin screen ridge. Although not limited, it is usually used in an amount of about 5 to 30 parts with respect to 100 parts of the total weight of carbon black, isocyanate compound and hydroxyl group-containing compound.
  • the solvent used to form the two-component curable resin composition is, for example, an ester solvent, a ketone solvent, a glycol ether solvent, an aliphatic solvent, an aromatic depending on the isocyanate compound and the hydroxyl group-containing compound used.
  • a solvent, an alcohol solvent, an ether solvent, water or the like can be used as appropriate, and if necessary, two or more of these can be mixed and used.
  • ester solvent examples include ethyl formate, propyl formate, butyl formate, isobutyl formate, pentyl formate, methyl acetate, ethyl acetate, n-propyl acetate, isopropyl acetate, n-butyl acetate, isobutyl acetate, sec-butyl acetate.
  • ketone solvents include acetone, methyl ethyl ketone, methyl propyl ketone, diethyl ketone, methyl n-butyl ketone, methyl isobutyl ketone, dipropyl ketone, diisobutyrate, and the like.
  • glycol ether solvents include ethylene glycol monoethyl ether, ethylene glycol monoisopropyl ether, ethylene glycol monobutyl ether, diethylene glycol monoethyl ether, diethylene glycol mono n-butyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, Propylene glycol mono n-propyl ether, propylene glycol mono n-butyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, dipropylene glycol mono n-propyl ether, dipropylene glycol mono n-butyl ether, triethylene glycol monomethyl ether , Triethylene glycol Noethyl ether, triethylene glycol mono n-propyl ether, triethylene glycol mono n-butyl ether, tripropylene glycol monoethyl ether, tripropylene glycol mono n-
  • aliphatic solvent examples include normal paraffin solvents, isoparaffin solvents, cycloparaffin solvents, and the like.
  • normal paraffin solvents include n-hexane, n-heptane, n-octane, and n-nonane.
  • Isohexane, 2,2,3-trimethylpentane, isooctane, 2,2,5-trimethylhexane, Isosol 200, 300, 400 (manufactured by Nippon Oil Corporation), Supersol FP2, 25, 30, 38 (Idemitsu Kosan Co., Ltd.) Are available as cycloparaffinic solvents such as cyclopentane, methylcyclopentane, Rohekisan, methylcyclohexane, ethylcyclohexane, Naphtesol 160,200,220 (manufactured by Nippon Oil Corporation), AF Solvent No. 4, No. 5, No. 6, No. 7 (manufactured by Nippon Oil Co., Ltd.).
  • aromatic solvent examples include toluene, xylene, ethylbenzene, naphthalene, tetralin, and solvent naphtha.
  • the alcohol solvent examples include methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, isobutyl alcohol, sec-butyl alcohol, t-butyl alcohol, n-amyl alcohol, sec-amyl alcohol, 1- Ethyl-1-propanol, 2-methyl-1-butanol, isoamyl alcohol, t-amyl alcohol, sec-isoamyl alcohol, neoamyl alcohol, hexyl alcohol, 2-methyl-1-pentanol, 4-methyl-2-pen Tanol, heptyl alcohol, octyl alcohol, 2-ethylhexyl alcohol, nonyl alcohol, decyl alcohol, undecyl alcohol, lauryl alcohol, benzyl alcohol, ⁇ -terpineol , Cyclohexanol, 3-methoxybutanol, and diacetone alcohol.
  • ether solvents include cyclic ethers such as tetrahydrofuran and 1,3-dioxolane.
  • Other liquid media include dimethyl carbonate, ethyl methyl carbonate, and di-n-butyl carbonate. The said solvent may be used individually by 1 type, or may be used in combination of 2 or more types.
  • the obtained two-component curable resin composition containing carbon black is applied to a resin screen cage that is stretched and fixed to a frame to form a resin coating film.
  • the thickness of the resin coating film may be an appropriate thickness depending on the thickness of the ink film to be applied. Usually, the thickness is such that there is no wrinkle unevenness, for example, about 5 to 40 ⁇ m in dry film thickness, more preferably Is about 5 to 20 ⁇ m.
  • As a coating method of the resin composition it may be performed by the same method as that for producing a conventional screen printing plate. For example, the resin composition is put in a bucket and leaned while keeping the moving speed and angle as constant as possible. The method of drying after apply
  • the same operation is repeated again to increase the thickness of the printed surface.
  • it may be applied to the basket using a squeegee instead of the bucket, or may be applied by other methods such as application using a slit applicator or the like with the frame horizontal.
  • the isocyanate and the hydroxyl group-containing compound react to form a urethane bond, resulting in a resin coating film. If necessary, the drying may be performed at a temperature not lower than room temperature, for example, 40 to 80 ° C.
  • the printing plate thus manufactured is irradiated with a laser beam 5 in a predetermined pattern as shown in FIG. 2, and the resin coating film is thermally erased to form openings 6 of the predetermined pattern, thereby forming a screen printing plate.
  • the laser light carbon dioxide laser light, YAG laser light, or YVO 4 laser light is preferable.
  • the second harmonic (wavelength 532 nm) or the third harmonic (wavelength 355 nm) is efficiently output from the second or third harmonic conversion element incorporated in the YAG laser oscillator.
  • the fourth harmonic (wavelength 266 nm) is generally output as the second harmonic passes through the fourth harmonic conversion element, and is either one of the higher-order harmonics of the YAG laser or these It is particularly preferable to use any mixing light.
  • These carbon dioxide laser light and YAG laser light are superior in oscillation stability to excimer laser light, and can increase productivity as compared to the case where an excimer laser is used.
  • the irradiation intensity of the resin coating film by laser light is such that the resin coating film is erased by heat but the resin screen wall is not substantially damaged.
  • the irradiation intensity by the laser beam can be controlled by various methods such as using a laser oscillation apparatus having an output suitable for the irradiation intensity in the present invention, controlling the output of the laser apparatus, and controlling the scanning speed.
  • the laser irradiation conditions are preferably a laser power of 10 to 90%, a scan speed of 5 to 8000 mm / s, a Q switch frequency of 5 to 150 kHz, and a scan count of 3 to 30.
  • the resin screen printing plate produced in this way is printed on the substrate by the same method as conventional screen printing.
  • the ink used may be the same as the conventional one.
  • the resin screen printing plate for laser plate making according to the second aspect of the present invention is a resin coating film formed by applying a two-part curable resin composition containing a carbon black to a resin screen cage. It is characterized by being laminated.
  • the resin screen printing plate for laser plate making according to the second aspect differs from the first aspect only in that the polymer film is laminated on the resin coating film, and is otherwise substantially the same. The polymer film will be described below.
  • 1 is a resin screen printing plate
  • 2 is a resin screen
  • 3 is a resin coating
  • 7 is a polymer film.
  • the resin screen printing plate 1 is formed as follows. First, the resin screen wrinkle is obtained by a method similar to that used for manufacturing a conventional screen printing plate, that is, for example, a resin screen wrinkle 2 is stretched using a tensioning machine and a frame (plate frame not shown) is formed using an adhesive. ).
  • the resin coating 3 is formed by applying a two-part curable resin composition containing carbon black on the resin screen thus stretched.
  • the polymer film 7 is laminated on the resin coating film before the resin coating film 3 is cured, and then the resin coating film is cured, and then the polymer film 7 is bonded to the resin screen via the resin coating film.
  • the number of meshes of the resin screen to be used may be an appropriately known mesh number according to the resolution required for the graphic to be printed, the ink to be used, and the object to be printed.
  • polymer film used in the present invention examples include polyethylene terephthalate (PET), polyvinyl chloride, (treated) polyethylene, (treated) polypropylene, acrylonitrile-butadiene-styrene copolymer synthetic resin (ABS resin), nylon, polycarbonate and the like. it can.
  • the thickness of the film is 1 to 20 ⁇ m, preferably 2 to 10 ⁇ m.
  • the polymer film preferably contains carbon black, but if it is thin (0.5 to 5 ⁇ m), it need not be contained. When carbon black is contained, the content is preferably 0.1 to 20% by weight, more preferably 1 to 5% by weight.
  • the carbon film is bonded to the resin screen with the two-component curable resin composition described above. This will be specifically described below.
  • the two-component curable resin composition is applied to the resin screen jar in the same manner as in the first aspect described above, and if necessary after application, the surface opposite to the application surface is squeegeeed to remove excess resin composition. The surface can be made smooth.
  • the polymer film is laminated on the two-part curable resin composition film.
  • the lamination method may be any method as long as the polymer film is uniformly applied without any problem.
  • the two-component curable resin composition surface is pressed against the resin screen surface, or the resin screen is divided into two components It is also possible to press against the surface of the curable resin composition, embed a resin screen wrinkle in the two-component curable resin composition coating film, and squeeze the surface opposite to the polymer film surface as necessary.
  • the amount of the two-part curable resin composition applied to the polymer surface is such that the two-part curable resin has a dry film thickness of about 5 to 40 ⁇ m, more preferably about 5 to 20 ⁇ m on the printing plate. It should be done.
  • the quantity which the resin screen wrinkle is covered with the resin coating film it is preferable to set it as the quantity which the resin screen wrinkle is covered with the resin coating film.
  • the application quantity of a two-component curable resin composition to a polymer film surface becomes larger than the said quantity normally. Subsequent drying is the same as in the first embodiment.
  • the printing plate thus produced is preferably irradiated with a laser beam 5 in a predetermined pattern from the polymer film 7 side, and the polymer film 7 and the resin coating film 3 are thermally erased to form a predetermined pattern.
  • An opening 6 is formed to form a screen printing plate.
  • the opening can be formed by laser irradiation from the opposite side of the polymer film 7, a printing plate having excellent fine line printing reproducibility can be obtained by irradiation from the polymer film side.
  • the laser light used, the irradiation intensity of the laser light, and the irradiation conditions are the same as in the first embodiment.
  • the resin screen printing plate for laser plate making according to the third aspect of the present invention has a resin film on a resin coating film formed by applying a two-part curable resin composition containing carbon black to a resin screen ridge.
  • the polymer film is characterized in that both surfaces or one surface on the side of the resin coating to be laminated are surface-treated.
  • the resin screen printing plate for laser plate making according to the third aspect differs from the second aspect only in that the polymer film is subjected to surface treatment, and is otherwise substantially the same.
  • the surface treatment for the polymer film will be described below. 3 and 4 differs in that a corona discharge treatment is performed in advance on one side of the polymer film 7 on the resin coating 3 side in FIGS. Same as 4.
  • the surface of the polymer film is subjected to some surface treatment for the purpose of improving the adhesion with the resin coating film.
  • the adhesiveness with the resin coating is increased, the resin screen printing plate with excellent fine line printing reproducibility can be obtained because the edge loss of the resin coating is reduced during laser plate making.
  • Examples of the surface treatment of the polymer film include the following methods. i) A method of treating the surface of a polymer film by applying a primer. ii) A method of performing surface treatment of a polymer film by performing ionizing radiation. iii) A method using i) and ii) in combination.
  • binder component of the primer examples include water-soluble cellulose, methylcellulose, methoxycellulose, hydroxyethylcellulose, carboxymethylcellulose, polyvinyl alcohol, acrylic resin, casein, gelatin, styrene / maleic anhydride copolymer salt, and isobutylene / maleic anhydride.
  • examples include acid copolymer salts, polyacrylic acid esters, polyurethane resins, and acrylic / styrene resins.
  • Solvent type resins include styrene / maleic acid resin, acrylic / styrene resin, polystyrene resin, polyester resin, polycarbonate resin, epoxy resin, polyurethane resin, polybutyral resin, polyacrylate, styrene / butadiene copolymer, styrene / butadiene. / Acrylic acid copolymer, polyvinyl acetate and the like. These resins can be obtained singly or by mixing two or more. To this resin component, water or a solvent, an additive, a pigment component such as carbon black can be appropriately added. As the solvent, the above-mentioned solvents can be used.
  • an active energy ray curable resin or the like can be used as the resin component of the primer.
  • unsaturated polyester resins, acrylate resins, polyene / polythiol resins, spirane resins, epoxy resins, amino alkyd resins, diallyl phthalate resins, unsaturated polyester resins, furan resins, etc. Can be mentioned.
  • resins and various monomers such as active energy ray-curable monomers, prepolymers, and photopolymerization initiators are used as necessary.
  • Active energy rays include electron beams and ultraviolet rays.
  • ultraviolet rays are mainly used.
  • Monomers that can be used for the primer include N-vinylpyrrolidone, acrylonitrile, styrene, acrylamide, 2-ethylhexyl acrylate, 2-hydroxy (meth) acrylate, 2-hydroxypropyl (meth) acrylate, tetrahydrofurfuryl acrylate, phenoxyethyl acrylate , Nonylphenoxyethyl acrylate, butoxyethyl (meth) acrylate, 2-hydroxy-3-phenoxypropyl acrylate, cyclohexyl (meth) acrylate, N, N-dimethylamino (meth) acrylate, N, N-dimethylaminoethyl (meth) Monofunctional monomers such as ethyl acrylate, 3-phenoxypropyl acrylate, 2-methoxyethyl (meth) acrylate, ethylene glycol diacrylate , Diethylene glycol diacrylate, polypropylene glyco
  • the active energy ray curable composition When monomers, prepolymers and oligomers are used as the active energy ray curable composition, it is preferable to use the trifunctional or higher functional monomers, prepolymers and oligomers within 20 to 95% by weight. If it is 20% by weight or less, the adhesiveness to the polymer film is weak, the film density and the film strength are low, and if it is 95% by weight or more, it becomes too hard to be brittle, and the print reproducibility of fine lines may be deteriorated. .
  • ionizing rays used for ionizing ray irradiation include methods such as laser beam, ion beam, electron beam beam, ultraviolet ray irradiation, plasma discharge, corona discharge, etc. Among them, electron beam, plasma discharge, corona discharge, etc. Preferably used, more preferably corona discharge is used. In the present invention, surface treatment using corona discharge is referred to as corona treatment.
  • a spark gap method, a vacuum tube method, a solid state method, or the like can be used for the corona discharge treatment.
  • energy of about 5 to 40,000 W / m 2 / min), preferably about 150 to 40,000 W / m 2 / min is radiated to the surface of the base material. It is preferable.
  • Surface treatment using corona discharge (corona treatment) The type and frequency of the oscillator of the corona discharge device can be arbitrarily determined.
  • Examples of the electron beam irradiation treatment include ⁇ rays, ⁇ rays and ⁇ rays emitted from radioisotopes.
  • Van de Clark type electron accelerator, Cockloft-Walton type electron accelerator, Insulation transformer type electron accelerator, Transformer type gas (oil) insulation type electron accelerator, Cold cathode impact voltage type electron accelerator, Linear filament type electron Mention may be made of electron beams from accelerators.
  • the acceleration voltage is not particularly limited, but is preferably 150 kV or less, more preferably 100 kV or less in consideration of the influence on the film substrate.
  • the irradiation amount is preferably 15 kGy or more, more preferably 20 kGy or more. However, the irradiation amount more than necessary is not feasible in terms of energy cost.
  • the plasma treatment usually uses glow discharge of low pressure gas (argon, nitrogen, oxygen, etc.) of 10 ⁇ 2 to 10 Torr, and particularly preferably air or oxygen gas having a pressure of about 0.01 to 0.1 Torr. Plasma is used.
  • low pressure gas argon, nitrogen, oxygen, etc.
  • air or oxygen gas having a pressure of about 0.01 to 0.1 Torr. Plasma is used.
  • Example 1 1,4-butanediol and synthetic polyester polyol from adipic acid (OH number 210) 70 parts by weight of carbon black (particle diameter 24 nm, DBP oil absorption of 100 cm 3/100 g) 5 parts by weight of propylene glycol monomethyl ether acetate 25 parts by weight was mixed with three rolls to prepare a main resin composition. 70 parts by weight of tolylene diisocyanate, which is a curing agent, was blended with the main agent and mixed for 10 minutes with a mixer (disper) to prepare a two-component curable resin composition.
  • this two-part curable resin composition was applied from below to a 270 mesh polyester (PET) basket (light transmittance 70%, white) stretched on a plate frame with a squeegee, and the upper side (opposite) The remaining two-component curable resin composition was scraped off. Thereafter, the resin screen printing plate was dried at 60 ° C. for 10 minutes and then allowed to stand at room temperature for 24 hours to prepare a plate before printing (printing plate). The film thickness was 10 ⁇ m.
  • PET 270 mesh polyester
  • a numerical pattern from 0 to 9 is made on the resin screen printing plate before plate making using a YAG laser (laser power 80%, scan speed 1518 mm / s, Q switch frequency 20 kHz, number of scans 15 times) with 18 font points. did.
  • the following test methods are used to determine "laser processability”, “laser plate making”, “solvent resistance (coating adhesion)”, “print durability”, “ Evaluation of “continuous printability (printing effect, plate state)” and “thin line print reproducibility test” were performed. The results are shown in Table 1.
  • Print durability test A squeegee material is fixed to the drive part of the Gakushin type friction tester (manufactured by Tester Sangyo Co., Ltd.), and a resin screen printing plate made by laser is set on the one attached to apply a weight of 500 g. After reciprocating 10,000 times with SS 8391 indigo manufactured by Toyo Ink Mfg. Co., Ltd., using this plate, silk screen ink was printed on paper, and the deterioration of print quality was evaluated based on the following evaluation criteria. did. ⁇ Evaluation criteria> ⁇ : No deterioration in print quality. ⁇ : Some degradation of print quality is observed. X: Deterioration of print quality is observed.
  • Example 2 to 13 Reference Examples 1 to 4, Comparative Examples 1 to 6
  • the formulation of the two-component curable resin composition is the formulation described in Examples 2 to 13, Reference Examples 1 to 4, and Comparative Examples 1 to 3, 5, and 6 in Table 1, and Comparative Example 4 is a current emulsifier.
  • a resin screen printing plate in which a numerical pattern was patterned was produced in the same manner as in Example 1 except that it was produced by “ONEPOT 50M” manufactured by Murakami Co., Ltd. by a normal method.
  • 270 mesh polyester (PET) basket (light transmittance 50%, white), and in Example 12, a 270 mesh polyester (PET) basket (light transmittance 60%, white) stretched on a plate frame
  • a 270-mesh polyester (PET) basket (light transmittance 80%, white) stretched on a plate frame.
  • a 270-mesh polyester (PET) bag (light transmittance 5%, orange) stretched on the plate frame.
  • the plate frame was stretched.
  • 270 mesh polyester (PET) basket (light transmittance 20%, yellow to orange).
  • Reference Examples 1 to 4 and Comparative Examples 2 and 3, 5 and 6 were not evaluated for “printing durability” and “continuous printing property (printing effect, state of plate)” because laser plate-making could not be performed. .
  • Comparative Example 4 was not a laser plate making, evaluation was not performed on “laser processability” and “laser plate making”. Furthermore, since Comparative Example 4 does not use a two-part curable resin composition, the “flexibility test” was performed in accordance with the case where the two-part curable resin composition was used for the used emulsifier.
  • the resin screen printing plate of the present invention has no practical damage to the resin screen plate, can be easily made with a laser beam, and is excellent in durability.
  • Reference Examples 1 to 4 are examples in which only the resin screen cage in Examples 1 and 2 is changed, and Examples 1 and 2 are examples in which a resin screen cage having a light transmittance of 70% is used. Yes, Reference Examples 1 to 4 are examples using resin screens with a light transmittance of less than 40%, but Reference Examples 1 to 4 were not even capable of laser plate making, so the resin screens used in the examples The effect of is obvious.
  • 1,4-butanediol and synthetic polyester polyol from adipic acid (OH number 210) 70 parts by weight of carbon black (particle diameter 24 nm, DBP oil absorption of 100 cm 3/100 g) 5 parts by weight of propylene glycol monomethyl ether acetate 25 parts by weight was mixed with three rolls to prepare a main resin composition.
  • tolylene diisocyanate which is a curing agent
  • a mixer dispenser
  • this two-part curable resin composition was applied from below to a 270 mesh polyester (PET) basket (light transmittance 70%, white) stretched on a plate frame with a squeegee, and the upper side (opposite)
  • PET 270 mesh polyester
  • the remaining two-component curable resin composition was scraped off. While the two-component curable resin composition was not cured, a carbon black-containing PET film having a thickness of 12 ⁇ m (addition amount of carbon black of 0.3% by weight) was bonded.
  • This carbon black-containing PET film having a thickness of 12 ⁇ m is previously bonded to the two-component curable resin composition on a corona treatment machine (manufactured by 3DT) under the conditions of a treatment output of 1.5 kW and a treatment speed of 10 m / min. The surface treatment was performed. Thereafter, the resin screen printing plate was dried at 60 ° C. for 10 minutes and then allowed to stand at room temperature for 24 hours to prepare a plate before printing (printing plate). In addition, the dry film thickness of the resin coating film before bonding PET film was 10 micrometers.
  • a resin screen printing plate made with a laser is set on a silk screen printing machine (Media 68-AN-II, manufactured by Mino Shoji Co., Ltd.). Printing was performed 5000 times, and the printing effect of the 5000th time and the state of the plate were evaluated based on the following evaluation criteria.
  • test sample was prepared under the following conditions for the “flexibility” of the two-component curable resin composition used above and the “fine line printing reproducibility” of the printing plate before plate making. Tests and evaluations were conducted. The results are shown in Table 2.
  • Example 15 to 28, Reference Examples 5 to 8, Comparative Examples 7 to 12 The formulation of the two-component curable resin composition is the formulation described in Examples 15 to 28, Reference Examples 5 to 8, and Comparative Examples 7 to 9, 11 and 12 in Table 2, and Comparative Example 10 is a current emulsifier.
  • a resin screen printing plate in which a numerical pattern was patterned was produced in the same manner as in Example 14 except that it was produced by “ONEPOT 50M” manufactured by Murakami Co., Ltd. by a normal method.
  • a carbon black-containing PET film having a thickness of 8 ⁇ m (addition amount of carbon black of 0.3% by weight) was used as the polymer film, and for Reference Examples 7 and 8, a thickness of 12 ⁇ m was used.
  • a transparent PET film containing no carbon black was used.
  • Example 27 and 28 and the comparative example 7 the polymer film which has not performed surface treatment was used.
  • 270 mesh polyester (PET) basket (light transmittance 50%, white), and in Example 25, a 270 mesh polyester (PET) basket (light transmittance 60%, white) stretched on a plate frame
  • PET 270 mesh polyester
  • Example 26 a 270 mesh polyester (PET) basket (light transmittance 80%, white) stretched on a plate frame
  • a 270-mesh polyester (PET) basket (light transmittance 5%, orange) stretched on the plate frame, and in Reference Examples 6, 8 and Comparative Example 10, the plate frame was stretched.
  • 270 mesh polyester (PET) basket (light transmittance 20%, yellow to orange).
  • 270 mesh polyester (PET) basket (light transmittance 70%, white)
  • a 270 mesh polyester (PET) basket (light transmittance 30%, light yellow) stretched on the plate frame
  • a 270 mesh polyester stretched on the plate frame ( PET) ⁇ (light transmittance 35%, light yellow).
  • Comparative Example 10 is not laser plate making, evaluation was not performed on “laser processability” and “laser plate making”. Furthermore, since the comparative example 10 does not perform film bonding, the plate state of the “continuous printability test” was evaluated as follows. ⁇ Evaluation criteria> ⁇ : There is no deterioration of the plate. ⁇ : Deterioration of the plate is partially observed. X: Deterioration of the plate is observed throughout. Furthermore, since Comparative Example 10 does not use a two-part curable resin composition, the “flexibility test” was performed in accordance with the emulsifier used according to the case where the two-part curable resin composition was used.
  • the resin screen printing plate of the present invention has no practical damage to the resin screen, and can be easily made with a laser beam, has excellent fine line printing reproducibility, and has excellent durability.
  • Reference Examples 5 and 6 are examples in which only the resin screen cage in Examples 14 and 15 is changed, and Examples 14 to 15 are examples in which a resin screen cage having a light transmittance of 70% is used.
  • Reference Examples 5 and 6 are examples using a resin screen with a light transmittance of less than 40%, but Reference Examples 5 and 6 were not even capable of laser plate making, so the resin screens used in the examples were used. The effect of is obvious.
  • Reference Examples 7 and 8 are examples in which the resin screens in Examples 14 and 15 and the polymer film to be bonded were changed to those not containing carbon black, and Examples 14 to 15 were light transmissive. This is an example using a resin screen with a rate of 70%, and Reference Examples 7 and 8 are examples using a resin screen with a light transmittance of less than 40%, while Reference Examples 7 and 8 are even for laser plate making. Since it was not possible, the effect of the resin screen used in the examples is obvious.

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  • Engineering & Computer Science (AREA)
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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

L’invention a pour objet la formation d’un motif (par exemple, un caractère d’impression, un dessin) sur une plaque de sérigraphie en résine à l’aide d’un faisceau laser influant à peine sur une gaze de sérigraphie en résine utilisée pour la formation du motif. Une plaque de sérigraphie en résine est produite par la formation d’un film de revêtement en résine (3) sur une gaze de sérigraphie en résine (2) à l’aide d’une composition en résine durcissable en deux parties contenant du noir de carbone. La plaque d’impression est exposée à un faisceau laser afin de retirer uniquement la partie exposée du film de revêtement en résine grâce au faisceau laser, ce qui permet de produire une plaque imprimée. La composition en résine durcissable en deux parties est de préférence une composition comprenant du diisocyanate et du polyol de polyester.
PCT/JP2009/060272 2008-06-11 2009-06-04 Plaque de sérigraphie en résine pour réalisation d’impression laser et procédé de production associé, et plaque de sérigraphie en résine et procédé de production associé WO2009150996A1 (fr)

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JP2010516827A JP5251979B2 (ja) 2008-06-11 2009-06-04 レーザ製版用樹脂スクリーン印刷版及びその製造方法、並びに樹脂スクリーン印刷版及びその製造方法
KR1020117000752A KR101659390B1 (ko) 2008-06-11 2009-06-04 레이저 제판용 수지 스크린 인쇄판 및 그 제조 방법, 그리고 수지 스크린 인쇄판 및 그 제조 방법
CN200980121882.4A CN102056747B (zh) 2008-06-11 2009-06-04 激光制版用树脂丝网印刷版及其制造方法，以及树脂丝网印刷版及其制造方法

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JP2012187886A (ja) * 2011-03-14 2012-10-04 Toyo Ink Sc Holdings Co Ltd レーザ製版用スクリーン印刷用版およびその製造方法ならびにスクリーン印刷版およびその製造方法

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CN108749276B (zh) * 2018-08-17 2024-03-12 昆山良品丝印器材有限公司 一种聚酰亚胺太阳能网版及制作方法
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JP2012111231A (ja) * 2010-11-01 2012-06-14 Toyo Ink Sc Holdings Co Ltd レーザ製版用スクリーン印刷用版およびその製造方法ならびにスクリーン印刷版およびその製造方法
JP2012187886A (ja) * 2011-03-14 2012-10-04 Toyo Ink Sc Holdings Co Ltd レーザ製版用スクリーン印刷用版およびその製造方法ならびにスクリーン印刷版およびその製造方法

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