WO2012138139A2 - 인쇄 조성물 및 이를 이용한 인쇄 방법 - Google Patents
인쇄 조성물 및 이를 이용한 인쇄 방법 Download PDFInfo
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- WO2012138139A2 WO2012138139A2 PCT/KR2012/002563 KR2012002563W WO2012138139A2 WO 2012138139 A2 WO2012138139 A2 WO 2012138139A2 KR 2012002563 W KR2012002563 W KR 2012002563W WO 2012138139 A2 WO2012138139 A2 WO 2012138139A2
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- boiling point
- pattern
- printing composition
- blanket
- printing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/061—Etching masks
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0073—Masks not provided for in groups H05K3/02 - H05K3/46, e.g. for photomechanical production of patterned surfaces
- H05K3/0076—Masks not provided for in groups H05K3/02 - H05K3/46, e.g. for photomechanical production of patterned surfaces characterised by the composition of the mask
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0073—Masks not provided for in groups H05K3/02 - H05K3/46, e.g. for photomechanical production of patterned surfaces
- H05K3/0079—Masks not provided for in groups H05K3/02 - H05K3/46, e.g. for photomechanical production of patterned surfaces characterised by the method of application or removal of the mask
Definitions
- the present application relates to a printing composition and a printing method using the same. Specifically, the present application relates to a reverse offset printing composition capable of forming a fine pattern and a printing method using the same. More specifically, the present application relates to a reverse offset printing composition using a silicone-based blanket, in particular a resist composition and a printing method using the same.
- a conductive pattern for forming an electrode, a black matrix of a color filter, or a resist pattern for forming a conductive pattern are used in various electronic devices, and these are more finely formed as the electronic device becomes smaller and the performance is enhanced. There is a need.
- Conventional methods for forming a pattern vary depending on the application, but typically include photolithography, screen printing, inkjet, and the like.
- the photolithography method is a method of forming a pattern by forming a photosensitive layer with a photosensitive material, selectively exposing and developing the pattern.
- the photolithography method causes an increase in the process cost due to the costs for the developed photosensitive material and the etchant which are not included in the final product and the disposal cost of the photosensitive material and the etchant.
- the method is a large number of processes and complicated and time-consuming and expensive.
- the screen printing method is carried out by screen printing using an ink based on conductive particles of several hundred nanometers to several tens of micrometers, and then baking.
- the screen printing method and the inkjet method have limitations in implementing fine patterns of several tens of micrometers.
- the problem to be solved by the present invention is to provide a reverse offset printing composition and a printing method using the same that can implement a fine pattern through a reverse offset printing process using a silicon-based blanket.
- One embodiment of the present invention is a reverse offset printing composition using a silicone-based blanket
- the high boiling point solvent has a solubility parameter difference of 3 (cal.cm) 1/2 or less with the binder resin, and a difference in solubility parameter with the silicone-based blanket is 4 (cal.cm) 1/2 or more And a swelling parameter for the silicon-based blanket is 2 or less, to provide a reverse offset printing composition using the silicon-based blanket.
- an embodiment of the present invention provides a printing method using a reverse offset printing composition using the silicon-based blanket.
- the printing method comprises the steps of coating the printing composition on a silicone-based blanket; Removing a part of the coating film by contacting a cliché to the printing composition coating film applied on the silicone blanket; And transferring the printing composition coating film remaining on the silicone-based blanket to the printed object.
- the printing composition according to the present invention is particularly optimized for use in a reverse offset printing method using a silicone blanket, in which the solvent in the printing composition is adjusted to have specific properties in relation to the binder resin and the silicone blanket used in the printing process.
- FIG. 1 illustrates a process schematic diagram of a reverse offset printing method.
- the printing composition according to one embodiment of the present invention is for applying to reverse offset printing using a silicone-based blanket, 1) binder resin, 2) low boiling point solvent having a boiling point of 100 ° C. or lower, and 3) high boiling point of 180 ° C. or higher.
- a solvent, the high boiling point solvent has a solubility parameter difference of 3 (cal.cm) 1/2 or less with the binder resin, and a difference of solubility parameter with the silicone-based blanket is 4 (cal.cm) 1/2
- the swelling parameter for the silicon-based blanket is 2 or less.
- the present invention is a printing composition for use in the reverse offset printing method using the blanket which consists of silicone type materials, Comprising: By selecting the solvent of a printing composition by considering the binder resin contained in a printing composition, and the characteristic of the said blanket material used during a printing process, In addition, it has been found that the printing processability and fine pattern can be realized. Based on this, the optimum physical properties of the solvent have been derived when the silicon blanket is used.
- the boiling point is a solvent having a boiling point of 100 ° C. or less and a boiling point of 180 ° C. or more.
- the high boiling point solvent has a solubility parameter difference of 3 (cal.cm) 1/2 or less with the binder resin, and a difference in solubility parameter with the silicone blanket is 4 (cal.cm) 1/2 or more,
- the swelling parameter for the silicon-based blanket is characterized in that 2 or less.
- a low boiling point solvent and a high boiling point solvent are used together, and the low boiling point solvent maintains a low viscosity of the printing composition and excellent applicability to the blanket until the printing composition is applied onto the blanket, and then volatilizes it. May be removed to increase the viscosity of the printing composition and to facilitate pattern formation and retention on the blanket.
- the high boiling point solvent is a solvent exhibiting relatively low volatility, and may impart tackiness to the printing composition until the pattern is transferred to the printed material.
- the boiling point of the low boiling point solvent is preferably 100 ° C. or lower, more preferably 95 ° C. or lower, and even more preferably 90 ° C. or lower.
- the boiling point of the low boiling point solvent is preferably at least 50 °C. If the boiling point of the low boiling point solvent is too low, a problem may occur that the printing composition dries at the nozzle when the printing composition is applied to the blanket. In addition, it is preferable that the boiling point of the low boiling point solvent is 50 ° C. or higher in order to make the leveling property immediately after application of the printing composition.
- the boiling point of a high boiling point solvent is 180 degreeC or more.
- a high boiling point solvent having a boiling point within the numerical range it is possible to impart tackiness to the printing composition until the pattern is transferred to the printed material, to reduce the process waiting time, and to swell the blanket. The phenomenon can be reduced.
- the boiling point of the high boiling point solvent may be 300 ° C. or less, and preferably 250 ° C. or less.
- the boiling point of the high boiling point solvent of 250 ° C. or less can prevent a problem that the solvent remains in the final printed material and takes a long time to dry or cure, and can also improve the accuracy of the printing pattern.
- the difference in solubility parameter with the binder resin of the high boiling point solvent which exists before the pattern transfer to the latter part of the printing process, for example, the printed material is 3 (cal.cm) 1/2 or less
- the difference in solubility parameter from the silicone blanket is 4 (cal.cm) 1/2 or more
- the swelling parameter for the silicone blanket is 2 or less.
- solubility parameter refers to the Hildebrand solubility parameter as a measure of solubility.
- the difference of solubility parameter with the said binder resin is 3 (cal.cm) 1/2 or less, and, as for the said high boiling point solvent, it is more preferable that it is 2 (cal.cm) 1/2 or less.
- the solubility parameter difference of the high boiling point solvent with the binder resin is within the numerical range, since the solubility of the binder resin in the high boiling point solvent is high and the compatibility of the solvent and the binder resin is high, the coating film coated on the blanket It can give tackiness.
- the coating film Due to the sticky nature of the coating film, the coating film is not easily separated from the blanket, and there is no pattern tearing at the boundary between the area to be separated from the area to be separated when the film is separated and removed by a cliché. Precise patterns can be implemented.
- the difference in the solubility parameter of the high boiling point solvent and the binder resin is within the above range, it is possible to prevent the problem that the binder is not dissolved in the solvent due to phase separation, it is possible to provide a uniform printing composition. For this reason, the smaller the solubility parameter difference between the high boiling point solvent and the binder resin is, the better.
- the high boiling point solvent preferably has a difference in solubility parameter from a silicone blanket of 4 (cal.cm) 1/2 or more, and more preferably 4.5 (cal.cm) 1/2 or more.
- the difference in solubility parameter of the high boiling point solvent with the silicone blanket is within the numerical range, solubility of the silicon blanket in the high boiling point solvent is low, so that the swelling phenomenon of the blanket can be minimized even if the number of times of printing is repeated. It can control the deformation of the form (deformation). As a result, the printing process time can be kept constant, and the pattern formed can be precisely maintained even if the number of times of printing is repeated.
- the high boiling point solvent preferably has a swelling parameter of 2 or less for the silicone blanket.
- the swelling parameter is a measure of the degree of swelling of the silicone blanket with respect to the solvent, and measures the change in the distance between lines after a silicon-based blanket patterned with an embossed mesh having a line width of 20 micrometers and a line distance of 300 micrometers in a solvent for 12 hours. It is obtained by.
- the swelling parameter may be represented by Equation 1 below.
- Swelling parameter ⁇ (Line length after loading-Line distance before loading) / (Line distance before loading) ⁇ ⁇ 100
- the swelling parameter of the high boiling point solvent for the silicone blanket is within the numerical range, the degree of swelling of the silicon blanket by the high boiling point solvent is low, so that the swelling phenomenon of the blanket can be minimized even if the number of times of printing is repeated.
- the shape of the blanket can be controlled to minimize deformation.
- the printing process time can be kept constant, and even if the number of times of printing is repeated, the pattern precision formed can be kept excellent. For this reason, the smaller the swelling parameter for the silicon blanket of the high boiling point solvent is, the better.
- the numerical range of the difference in solubility parameter with the blanket of the high boiling point solvent and the swelling parameter for the blanket is closely related to the material of the blanket. Therefore, the numerical range can be suitably applied when the blanket is a silicon-based material.
- the printing coating film can be formed thinly and uniformly, and the fine pattern can be precisely formed as described above, and the printing processability can be improved by preventing the deformation of the blanket.
- a print pattern having a small line height it is possible to form a print pattern having a small line height to have a uniform line height.
- the difference in the height of the printed pattern is 10% or less, more preferably 5% or less.
- the print pattern has a small line height, but when the printed pattern line has a small size, there is a problem that the uniformity of the line level becomes low.
- the above-mentioned uniformity of the uniformity can be achieved even in a printed pattern having a linearity of 500 nm or less, preferably 300 nm or less.
- the sentence of the printing pattern is based on the dried state.
- the present invention by the above-described configuration, it can be formed to have a printed pattern having a small line width change rate. For example, in the present invention, it can be reached until the line width change rate of the printed pattern is 20% or less, preferably 10% or less, more preferably 5% or less. If the line width change rate is 20% or less, it can be regarded as a normal pattern. The smaller the line change rate, the higher the accuracy of the pattern. The smaller the line width change rate, the more likely the pattern intersection can be implemented normally, and the higher the possibility that no hairing will occur. The hairing refers to a phenomenon in which the pattern is stretched during the off process.
- the line width of the printing pattern is based on the dried state.
- the line width change rate (%) may be represented by Equation 2 below.
- Equation 2 the line width of the print pattern and the line width of the cliché pattern mean line widths of portions corresponding to each other.
- the printing composition according to an embodiment of the present invention can form a fine pattern having a line width or line spacing of 30 micrometers or less, preferably 20 micrometers or less, more preferably 15 micrometers or less, Even fine patterns having a line width of 7 micrometers or less, more preferably 5 micrometers or less can be formed.
- the pattern is preferably 500 nm or less, more preferably 300 nm or less, based on the dried state.
- the silicon-based blanket means that the outer peripheral portion of the blanket is made of a silicon-based material.
- the silicon-based material is not particularly limited as long as it contains silicon and includes a curable group, but the hardness is preferably 20 to 70, and more preferably 30 to 60.
- the hardness means Shore A hardness.
- a polydimethyl siloxane (PDMS) curable material may be used as the silicon blanket material.
- the blanket material may further include additives known in the art without departing from the object of the present invention.
- the binder resin may be selected an appropriate material according to the end use purpose. It is preferable that the printing composition which concerns on this invention is a composition for resist pattern formation. In this case, it is preferable to use novolak resin as said binder resin. Novolak resins are preferred because they are not only advantageous in forming a resist pattern but also have excellent compatibility with solvents that satisfy the conditions according to the present invention described above. In addition, the novolak resin has an excellent chemical resistance to the etchant enables a stable etching process and has excellent solubility in the peeling liquid, has less foreign matters after peeling and has a shorter peeling time. The weight average molecular weight of the novolac resin is preferably 2,000 to 8,000.
- weight average molecular weight is less than 2,000, sufficient chemical resistance to the etchant may not be secured, and thus cracks and peeling may occur on the resist coating layer during the etching process, and when the weight average molecular weight is more than 8,000, solubility in the stripping solution depending on curing conditions This can be degraded.
- the novolak resin may be prepared through a condensation reaction between a phenol compound and an aldehyde compound.
- phenolic compound those known in the art may be used, such as m-cresol, o-cresol, p-cresol, 2,5-gyrenol, 3,4-gyrenol, 3,5-gyrenol And at least one selected from the group consisting of 2,3,5-trimethylphenol.
- aldehyde-based compound those known in the art may be used, and for example, at least one selected from the group consisting of formaldehyde, paraformaldehyde, acetoaldehyde, benzaldehyde, phenylaldehyde and salicylaldehyde may be used.
- the novolak resin may further include any monomer in a range that does not impair the object of the present invention.
- the high boiling point solvent is not particularly limited as long as it satisfies the above requirements, but is preferably an aromatic alcohol solvent. More specifically, the high boiling point solvent is resorcinol, m-cresol, o-cresol, p-cresol, benzyl alcohol, phenol, 4-methoxybenzyl alcohol, dimethyl sulfoxide, propylene glycol phenyl ester, ethylene glycol, At least one selected from the group consisting of ethylene glycol phenyl ester and octanol can be used. These solvents may be used alone or in combination of two or more thereof.
- the low boiling point solvent is not particularly limited as long as it satisfies the above requirements, and alcohols, ketones, acetates, and the like can be used. Specifically, at least one selected from the group consisting of dimethyl carbonate, methanol, methyl ethyl ketone, isopropyl alcohol, ethyl acetate, ethanol, propanol and allyl alcohol can be used. These solvents may be used alone or in combination of two or more thereof. However, the scope of the present invention is not limited only to these examples.
- the printing composition according to the embodiment of the present invention preferably contains 5 to 30 wt% of the binder resin, 50 to 90 wt% of the low boiling point solvent and 1 to 25 wt% of the high boiling point solvent.
- the printing composition according to the embodiment of the present invention may further include a surfactant.
- the surfactant may use a conventional leveling agent, for example silicone-based, fluorine-based or polyether-based surfactants.
- the printing composition according to the embodiment of the present invention may further include a tackifier.
- a tackifier melamine-based, styrene-based or acrylic oligomers or polymers may be used.
- the weight average molecular weight of the oligomer or polymer is preferably 5,000 or less, more preferably 3,000 or less, and even more preferably 1,000 or less.
- the amount of the surfactant and the tackifier may be selected according to the materials to be added and the components of the printing composition, for example, 2 wt% or less, preferably 1 wt% or less, more preferably, based on the total printing composition, respectively. Up to 0.5% by weight.
- the printing composition according to one embodiment of the present invention may be prepared by mixing the above components. If necessary, it can be produced by filtration with a filter. Foreign matter or dust can be removed by such filtration.
- an embodiment of the present invention provides a printing method using the above-described printing composition using the silicone-based blanket.
- the printing method includes printing the printing composition.
- the printing method comprises the steps of coating the reverse offset printing composition on a silicone-based blanket; Contacting the cliché with a reverse offset printing composition coating applied on the silicone blanket to remove a portion of the coating; And transferring the reverse offset printing composition coating film remaining on the silicone-based blanket to the printed object. If necessary, the method may further include drying or curing the printing composition transferred to the printed material.
- the reverse offset printing method is illustrated in FIG. 1.
- the reverse offset printing method comprises the steps of: i) applying a printing composition to a blanket; ii) contacting the blanket with a cliché in which a pattern corresponding to the pattern to be formed is engraved to form a pattern of a printing composition corresponding to the pattern on the blanket; iii) transferring the printing composition pattern on the blanket onto the printed object.
- the outer peripheral portion of the blanket is made of a silicon-based material.
- reference numeral 10 denotes a coater for coating a metal pattern material on the blanket
- reference numeral 20 denotes a rolled support for supporting the blanket
- reference numeral 21 denotes a blanket
- reference numeral 22 applies on the blanket.
- reference numeral 31 denotes a cliché having a pattern, in which a pattern corresponding to the pattern to be formed is formed as a cathode.
- Reference numeral 40 denotes a printed object
- reference numeral 41 denotes a printing composition pattern transferred to the printed object.
- the front transfer rate of the printing composition according to the embodiment of the present invention may be 80 to 100%.
- the front transfer rate can be confirmed in a pattern obtained by transferring the printing composition to a printed object, and is based on a state in which the printing pattern is dried.
- the front transfer rate (%) may be represented by Equation 3 below.
- Front transfer rate (%) ⁇ (printing composition area transferred to the printed material mm 2 ) / (100 mm ⁇ 100 mm) ⁇ ⁇ 100
- the process temperature may be selected from room temperature to 350 °C
- drying or curing temperature according to the binder resin is from room temperature to 350 °C, preferably from 50 °C It is preferably selected within 300 ° C.
- Drying or curing time may be selected according to the composition and composition of the composition, processing temperature.
- the pattern formed using the printing composition and the printing method according to one embodiment of the present invention is, for example, several micrometers to several tens of micrometers, specifically 100 micrometers or less, preferably 80 micrometers or less, more preferably May have a line width and line spacing of 30 micrometers or less.
- a fine pattern such as 20 micrometers or less, preferably 15 micrometers or less, more preferably 7 micrometers or less, and more preferably, could not be formed by the inkjet printing method or the like previously applied. Patterns with line widths of 5 micrometers or less can be implemented.
- the line width may be formed to be 0.5 micrometer or more, preferably 1 micrometer or more, more preferably 3 micrometers or more.
- two or more patterns having different line widths can be simultaneously formed on the same printed body.
- a pattern having a line width of 100 micrometers or less and a pattern having a line width of 7 micrometers or less can be simultaneously formed on the same printed material.
- the pattern formed by the printing composition and the printing method of the present invention can be used as a resist pattern.
- the resist pattern may be used as an etch resist for forming a conductive pattern, a metal pattern, a glass pattern, a semiconductor pattern, and the like.
- the resist pattern may be used as a resist for forming electrodes or auxiliary electrodes of various electronic devices including TFTs, touch screens, displays such as LCDs and PDPs, light emitting devices, and solar cells.
- the pattern formed by the printing composition and the printing method may be used as an insulating pattern required for various electronic devices.
- the insulating pattern may be an insulating pattern covering the metal pattern.
- the insulating pattern may be used as a passivation layer covering the auxiliary electrode of the OLED lighting substrate.
- the prepared printing composition was measured by the method of Experimental Examples 1 to 4 below, the front transfer ratio, the initial print waiting time, the number of continuous prints, and the pattern precision.
- a printing composition was prepared by dissolving in 9 g of benzyl alcohol as a solvent and filtering with a 1 ⁇ m filter. The prepared printing composition was measured by the method of Experimental Examples 1 to 4 below, the front transfer ratio, the initial print waiting time, the number of continuous prints, and the pattern precision.
- a printing composition was prepared by dissolving in 9 g of benzyl alcohol as a solvent and filtering with a 1 ⁇ m filter. The prepared printing composition was measured by the method of Experimental Examples 1 to 4 below, the front transfer ratio, the initial print waiting time, the number of continuous prints, and the pattern precision.
- the prepared printing composition was measured by the method of Experimental Examples 1 to 4 below, the front transfer ratio, the initial print waiting time, the number of continuous prints, and the pattern precision.
- the prepared printing composition was measured by the method of Experimental Examples 1 to 4 below, the front transfer ratio, the initial print waiting time, the number of continuous prints, and the pattern precision.
- Examples 1 to 7 and Comparative Examples 1 to 4 were applied on a silicon blanket having a hardness of 47 at a rate of 50 mm / s to form a coating film having a thickness of 3 ⁇ m before drying.
- the glass substrate which is to be printed, is transferred to a 100 mm ⁇ 100 mm sized glass substrate at a transfer speed of 50 mm / s and a contact pressure (length changed at one point when printing pressure is applied) at 20 ⁇ m.
- the area of the printing composition transferred to was measured.
- Front transfer rate (%) ⁇ (printing composition area transferred to the printed material mm 2 ) / (100 mm ⁇ 100 mm) ⁇ ⁇ 100
- Examples 1 to 7 and Comparative Examples 1 to 4 were applied on a silicon blanket having a hardness of 47 at a rate of 50 mm / s to form a coating film having a thickness of 3 ⁇ m before drying.
- the 100mm ⁇ 100mm cliché with a line width of 7 ⁇ m and a line distance of 300 ⁇ m has a transfer speed of 50 mm / s and a strain at one point when contact pressure is applied. Length) 20 m, and a pattern corresponding to the cliché was formed on the blanket.
- the printing composition pattern formed on the blanket was transferred to a glass substrate having a size of 100 mm ⁇ 100 mm at a transfer speed of 50 mm / s and a phosphorus pressure of 20 ⁇ m to form a final pattern.
- the initial print wait time may be represented by Equation 4 below.
- the minimum initial print wait time is 30 seconds.
- the standard of the normal pattern was that the line width change rate of the pattern formed on the glass substrate was less than 20%.
- Examples 1 to 7 and Comparative Examples 1 to 4 were applied on a silicon blanket having a hardness of 47 at a rate of 50 mm / s to form a coating film having a thickness of 3 ⁇ m before drying.
- the printing is continuously performed with the line width 7 ⁇ m and the line distance 300 ⁇ m intaglio mesh pattern to measure the pattern line width change to maintain the line width change rate within 10% of the initial print pattern. The number of prints was measured.
- Examples 1 to 7 and Comparative Examples 1 to 4 were applied on a silicon blanket having a hardness of 47 at a rate of 50 mm / s to form a coating film having a thickness of 3 ⁇ m before drying.
- 100mm ⁇ 100mm sized cliché with line width 7 ⁇ m, line distance 300 ⁇ m intaglio mesh pattern, transfer speed 50mm / s, contact pressure (one point when printing pressure is applied) Length was deformed) to 20 ⁇ m conditions to form a pattern corresponding to the cliché on the blanket.
- the printing composition pattern formed on the blanket was transferred to a glass substrate having a size of 100 mm ⁇ 100 mm at a transfer speed of 50 mm / s and a phosphorus pressure of 20 ⁇ m to form a final pattern.
- the obtained pattern was observed under a microscope and evaluated by the following criteria.
- Example 1 78 205 0.6 4.8 0.1 47 A 30 15 A
- Example 2 90 205 0.6 4.8 0.1 47 A 30 12 A
- Example 3 97 205 0.6 4.8 0.1 47 A 40 10 A
- Example 4 35 205 0.6 4.8 0.1 47 B
- Comparative Example 1 118 205 0.6 4.8 0.1 47 A 45 8 A
- Example 5 78 259 0.8 5.0 0.1 47 A 50 15 A
- Comparative Example 2 78 153 0.6 4.8 1.6 47 C Not measurable Not measurable Not measurable
- Example 6 78 189 3 7.2 0.2 47 B
- 40 10 A Comparative Example 3 78 290 5 9.2 0 47 C 100
- Example 7 78 247 0 4.2 1.9 47 A 60
- Comparative Example 4 78 195 1.2 3.0 2.7 47 B 30 5 B
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- Microelectronics & Electronic Packaging (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Printing Methods (AREA)
Abstract
Description
Ⅰ(℃) | Ⅱ (℃) | Ⅲ | Ⅳ | Ⅴ | Ⅵ | 전면전사율 | 초기인쇄 대기시간(초) | 연속인쇄 특성 (매) | 패턴 정밀도 | |
실시예 1 | 78 | 205 | 0.6 | 4.8 | 0.1 | 47 | A | 30 | 15 | A |
실시예 2 | 90 | 205 | 0.6 | 4.8 | 0.1 | 47 | A | 30 | 12 | A |
실시예 3 | 97 | 205 | 0.6 | 4.8 | 0.1 | 47 | A | 40 | 10 | A |
실시예 4 | 35 | 205 | 0.6 | 4.8 | 0.1 | 47 | B | 30 | 15 | A |
비교예 1 | 118 | 205 | 0.6 | 4.8 | 0.1 | 47 | A | 45 | 8 | A |
실시예 5 | 78 | 259 | 0.8 | 5.0 | 0.1 | 47 | A | 50 | 15 | A |
비교예 2 | 78 | 153 | 0.6 | 4.8 | 1.6 | 47 | C | 측정불가 | 측정불가 | 측정불가 |
실시예 6 | 78 | 189 | 3 | 7.2 | 0.2 | 47 | B | 40 | 10 | A |
비교예 3 | 78 | 290 | 5 | 9.2 | 0 | 47 | C | 100 | 1 | F |
실시예 7 | 78 | 247 | 0 | 4.2 | 1.9 | 47 | A | 60 | 1 | B |
비교예 4 | 78 | 195 | 1.2 | 3.0 | 2.7 | 47 | B | 30 | 5 | B |
Claims (19)
- 실리콘계 블랭킷을 이용하는 리버스 오프셋 인쇄 조성물로서,1) 바인더 수지,2) 끓는 점이 100℃ 이하의 저비점 용매, 및3) 끓는 점이 180℃ 이상의 고비점 용매를 포함하고, 상기 고비점 용매가 상기 바인더 수지와의 용해도 파라미터 차이가 3 (cal.cm)1/2 이하이고, 상기 실리콘계 블랭킷과의 용해도 파라미터의 차이가 4 (cal.cm)1/2 이상이며, 상기 실리콘계 블랭킷에 대한 스웰링 파라미터가 2 이하인 것인, 실리콘계 블랭킷을 이용하는 리버스 오프셋 인쇄 조성물.
- 청구항 1에 있어서,상기 바인더 수지는 노볼락 수지인 것인 리버스 오프셋 인쇄 조성물.
- 청구항 1에 있어서,상기 노볼락 수지는 중량평균분자량이 2,000 내지 8,000인 것인 리버스 오프셋 인쇄 조성물.
- 청구항 1에 있어서,상기 고비점 용매는 방향족 알코올계 용매인 것인 리버스 오프셋 인쇄 조성물.
- 청구항 4에 있어서,상기 고비점 용매는 레소시놀, m-크레졸, o-크레졸, p-크레졸, 벤질알코올, 디메틸설폭사이드, 에틸렌글리콜, 에틸렌글리콜페닐에스테르, 프로필렌글리콜페닐에스테르, 옥탄올 및 페놀로 이루어진 군에서 선택되는 1종 이상을 포함하는 것인 리버스 오프셋 인쇄 조성물.
- 청구항 1에 있어서,상기 저비점 용매는 디메틸카보네이트, 메탄올, 메틸에틸케톤, 이소프로필알코올, 에틸아세테이트, 에탄올, 알릴알코올 및 프로판올로 이루어진 군에서 선택되는 1종 이상을 포함하는 것인 리버스 오프셋 인쇄 조성물.
- 청구항 1에 있어서,상기 조성물은 바인더 수지 5 내지 30중량%, 저비점 용매 50 내지 90중량% 및 고비점 용매 1 내지 25 중량%를 포함하는 것인 리버스 오프셋 인쇄 조성물.
- 청구항 1에 있어서,상기 조성물은 계면활성제 및 점착부여제 중 하나 이상을 더 포함하는 리버스 오프셋 인쇄 조성물.
- 청구항 1에 있어서,상기 실리콘계 블랭킷의 경도는 쇼어 A 경도(Shore A hardness) 20~70인 것인 리버스 오프셋 인쇄 조성물.
- 청구항 1 내지 9 중 어느 하나의 항에 있어서,상기 조성물은 레지스트 패턴 또는 절연 패턴 형성용인 리버스 오프셋 인쇄 조성물.
- 실리콘계 블랭킷을 이용하는 리버스 오프셋 인쇄 조성물로서,1) 바인더 수지 5 내지 30중량%,2) 끓는 점이 100℃ 이하의 저비점 용매 50 내지 90중량%, 및3) 끓는 점이 180℃ 이상의 고비점 용매 1 내지 25 중량%를 포함하고, 상기 고비점 용매가 상기 바인더 수지와의 용해도 파라미터 차이가 3 (cal.cm)1/2 이하이고, 상기 실리콘계 블랭킷과의 용해도 파라미터의 차이가 4 (cal.cm)1/2 이상이며, 상기 실리콘계 블랭킷에 대한 스웰링 파라미터가 2 이하인 것인, 실리콘계 블랭킷을 이용하는 리버스 오프셋 인쇄 조성물.
- 청구항 1 내지 9 및 11 중 어느 하나의 항에 따른 리버스 오프셋 인쇄 조성물을 이용한 인쇄 방법.
- 청구항 12에 있어서,상기 인쇄 방법은 상기 인쇄 조성물을 실리콘계 블랭킷 상에 코팅하는 단계;상기 실리콘계 블랭킷 상에 도포된 인쇄 조성물 도막에 클리셰를 접촉하여 일부 도막을 제거하는 단계; 및상기 실리콘계 블랭킷 상에 남아 있는 인쇄 조성물 도막을 피인쇄체에 전사하는 단계를 포함하는 것인 인쇄 방법.
- 청구항 13에 있어서,피인쇄체로 전사된 인쇄 조성물을 건조 또는 경화하는 단계를 추가로 포함하는 인쇄 방법.
- 청구항 13에 있어서,상기 피인쇄체에 전사된 인쇄 조성물의 패턴은 100 마이크로미터 이하의 선폭을 갖는 패턴을 포함하는 것인 인쇄 방법.
- 청구항 13에 있어서,상기 피인쇄체에 전사된 인쇄 조성물의 패턴은 7 마이크로미터 이하의 선폭을 갖는 패턴을 포함하는 것인 인쇄 방법.
- 청구항 13에 있어서,상기 피인쇄체 상에 전사된 인쇄 조성물의 도막은 100 마이크로미터 이하의 선폭을 갖는 패턴과 7 마이크로미터 이하의 선폭을 갖는 패턴을 포함하는 것인 인쇄 방법.
- 청구항 13에 있어서,상기 피인쇄체에 전사된 인쇄 조성물의 패턴은 하기 수학식 2로 나타내는 선폭 변화율이 20(%) 이하인 것인 인쇄 방법:[수학식 2]선폭 변화율(%)={(인쇄 패턴의 선폭 크기-클리셰 패턴의 선폭 크기)/(클리셰 패턴의 선폭 크기)}×100
- 청구항 13에 있어서,상기 피인쇄체에 전사된 인쇄 조성물의 패턴은 전면 전사율이 80~100(%)인 것인 인쇄 방법.
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CN201280017343.8A CN103562326B (zh) | 2011-04-05 | 2012-04-05 | 用于印刷的组合物及使用该组合物的印刷方法 |
US14/007,543 US20140007786A1 (en) | 2011-04-05 | 2012-04-05 | Composition for printing and printing method using the same |
JP2014503597A JP5756563B2 (ja) | 2011-04-05 | 2012-04-05 | 印刷組成物及びこれを利用した印刷方法 |
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KR101649036B1 (ko) * | 2013-08-21 | 2016-08-17 | 주식회사 엘지화학 | 오프셋 인쇄 조성물, 이를 이용한 인쇄방법 및 오프셋 인쇄 조성물을 이용하여 형성된 패턴 |
CN106029795B (zh) * | 2014-03-06 | 2019-04-19 | 株式会社Lg化学 | 胶版印刷组合物、使用该胶版印刷组合物的印刷方法和包括该胶版印刷组合物的图案 |
KR101789862B1 (ko) | 2014-10-07 | 2017-10-25 | 주식회사 엘지화학 | 인쇄용 잉크 조성물 및 이를 이용한 인쇄 방법 |
KR101657076B1 (ko) * | 2015-06-25 | 2016-09-20 | 주식회사 네패스 | 미세 패턴의 형성 방법 |
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KR101707372B1 (ko) * | 2016-04-22 | 2017-02-15 | 주식회사 엘지화학 | 리버스 오프셋 인쇄 조성물 및 이를 이용한 인쇄 방법 |
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US20140007786A1 (en) | 2014-01-09 |
CN103562326A (zh) | 2014-02-05 |
TW201305285A (zh) | 2013-02-01 |
CN103562326B (zh) | 2016-01-20 |
KR101356896B1 (ko) | 2014-02-06 |
TWI462977B (zh) | 2014-12-01 |
WO2012138139A3 (ko) | 2013-01-10 |
JP5756563B2 (ja) | 2015-07-29 |
JP2014516372A (ja) | 2014-07-10 |
KR20120113682A (ko) | 2012-10-15 |
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