TW201224080A - Curable composition for inkjet applications, and process for manufacturing electronic component - Google Patents

Abstract

Provided is a curable composition for inkjet applications, which can be cured into a cured film having improved uniformity and can be cured into a cured product having improved heat resistance. The present invention relates to a curable composition for inkjet applications, which can be applied in an inkjet mode and can be cured by the irradiation with light and the application of heat. This curable composition for inkjet applications comprises: a (meth)acryloyl-group-containing compound which has a (meth)acryloyl group, and which has an aromatic backbone or has such an alicyclic backbone that an unsaturated double bond is contained in an alicyclic backbone; a cyclic-ether-group-containing compound which has at least two cyclic ether groups and has an aromatic backbone; a photoreactive compound which is different from the (meth)acryloyl-group-containing compound; a photopolymerization initiator; and a latent curing agent.

Description

201224080 6. TECHNOLOGICAL FIELD OF THE INVENTION The present invention relates to a curable composition for inkjet coating by an inkjet method, and to a cured product suitable for forming a resist pattern on a substrate. A layered curable composition for inkjet, and a method of producing an electronic component having a cured layer formed of the curable composition for inkjet. [Prior Art] A printed wiring board having a solder resist pattern as a pattern-like solder resist film is often used on a substrate on which wiring is provided on the upper surface. With the miniaturization and density of electronic devices, the industry has demanded further fine solder resist patterns for printed wiring boards. As a method of forming a fine solder resist pattern, a method of applying a solder resist by ink jet method has been proposed. In the case of the inkjet method, the number of steps is reduced by the screen printing method to form the solder resist pattern. Therefore, the solder resist pattern can be formed easily and efficiently by the ink jet method. In the case where the composition for solder resist is applied by an ink jet method, the viscosity at the time of coating is required to be a certain low value. Therefore, the following patent document discloses a composition for solder resist which can be applied by an ink jet method. Patent Document 1 listed below discloses an inkjet film containing a monomer having a (fluorenyl) acrylonitrile group and a thermosetting functional group, a photoreactive diluent having a weight average molecular weight of _ or less, and a photopolymerization initiator. The curability of the curable composition for inkjet using the curable composition at 25 < Jc is (10) mPa.s or less. [Previous Technical Literature]

[Patent Document 1] [Patent Document 1] WO 2004/099272 A1 [Problem to be solved by the invention] The viscosity of the curable composition for inkjet described in Patent Document 1 is relatively low. Therefore, the curable composition for inkjet described in Patent Document 1 can be applied onto a substrate by an inkjet method. However, the curable composition for inkjet described in Patent Document 1 has a problem that the heat resistance of the cured product after hardening is lowered. Therefore, when the solder resist pattern is formed on the substrate by using the curable composition for inkjet described in Patent Document 1, and the printed wiring board is obtained, the heat resistance of the solder resist pattern is low, so that the printed wiring board cannot be used for a long period of time. Or the reliability of printed wiring boards is low. Further, in the solder resist pattern of the curable composition for inkjet described in Patent Document 1, the photocured component which is photocured may be separated from the thermally hardened component which is thermally cured. Therefore, there is a problem that the solder resist pattern becomes uneven. An object of the present invention is to provide a curable composition for inkjet, and a method for producing an electronic component using the curable composition for inkjet, which is hardened by an inkjet method A composition which improves the uniformity of the cured film after hardening and which improves the heat resistance of the cured product. [Technical means for solving the problem] According to a broader aspect of the present invention, a curable composition for inkjet 159117.doc 201224080 is provided, which is coated by an inkjet method, and is irradiated with light and imparted heat. And a hardener, which contains: a compound containing a (meth) propylene sulphate group, having a (meth) propylene-based base, and having an aromatic skeleton or having a lipid having an unsaturated double bond in an alicyclic skeleton a cyclic skeleton; a compound having a cyclic transyl group having two or more cyclic mercapto groups and having an aromatic skeleton; a photoreactive compound other than the above (meth)propylidene-containing compound; photopolymerization Starting agent; and latent hardener. In the curable composition for inkjet according to the present invention, 25t is measured in accordance with m κ·; the viscosity underneath is preferably as follows. In a specific aspect of the curable composition for inkjet according to the present invention, the total of the (meth)acrylonitrile group-containing compound, the cyclic ether group-containing compound and the photoreactive compound is 1 〇〇. The content of the (meth)acrylonitrile group-containing compound in the % by weight is 1% by weight or more. In another specific aspect of the curable composition for inkjet according to the present invention, the latent curing agent is dicyanodiamide particles, or dicyanodiamide is provided with the dicyano group A reactive viscous compound obtained by reacting a functional group-containing compound of a functional group of a guanamine reaction. The latent curing agent is preferably a reactive viscous material obtained by reacting dicyanodiamine with a functional group-containing compound having a functional group reactive with the dicyanodiamine. The above photopolymerization initiator is preferably an α-aminoalkylphenone type photoradical polymerization initiator. The above photopolymerization initiator is more preferably an α-aminoalkyl ketone type photoradical polymerization initiator having a diammonium group.

In another specific aspect of the curable composition for inkjet according to the present invention, the above-mentioned 1591n, 〇c S 201224080, the photoreactive compound contains a polycyclic skeleton and has two or more (meth) acrylonitrile groups. a polyfunctional compound. In still another specific aspect of the curable composition for inkjet according to the present invention, the photoreactive compound contains a monofunctional compound having a polycyclic skeleton and having one (fluorenyl) acrylonitrile group. In another specific aspect of the curable composition for inkjet according to the present invention, the photoreactive compound contains a polyfunctional compound having a polycyclic skeleton and having two or more (meth)acrylonium groups, and has a plurality of Both ring skeletons and monofunctional compounds having one (meth)acryl fluorenyl group. Moreover, according to a broad aspect of the present invention, a method for producing an electronic component can be provided, which comprises the steps of: applying a curable composition for inkjet according to the present invention by an inkjet method, and drawing a step of patterning; a step of forming a cured layer by irradiating light and imparting heat to the curable composition for inkjet which is drawn in a pattern. In a specific aspect of the method of manufacturing an electronic component of the present invention, the method of manufacturing a printed wiring board having an electronic component having a resist pattern, and applying the above-described hardenable combination for inkjet by an inkjet method The object is drawn into a pattern, and the inkjet curable composition drawn in a pattern is irradiated with light and heat is applied to be cured to form a resist pattern. [Effects of the Invention] The curable composition for inkjet according to the present invention contains a (meth)acrylonitrile group-containing compound having a (meth)acryl fluorenyl group and having an aromatic skeleton or having an alicyclic group. An alicyclic skeleton containing an unsaturated double bond in the skeleton; a cyclic ether group-containing compound having two or more cyclic ether groups and having an aromatic skeleton; 159117.doc 201224080; photoreactive compound; photopolymerization The initiator; the latent hardener' can be hardened by irradiation of light and heat. Further, when the curable composition for inkjet according to the present invention is used, the heat resistance of the cured product after curing can be improved. Further, when the curable composition for inkjet according to the present invention is used, the uniformity of the cured film after curing can be improved. [Embodiment] Hereinafter, the details of the present invention will be described. (Curable composition for inkjet) The curable composition for inkjet according to the present invention contains a compound (A) containing a (fluorenyl) acryl group, a compound (B) containing a cyclic ether group, and a photoreactive compound. (C), photopolymerization initiator (D), latent curing agent (E). The (meth) propylene fluorenyl group-containing compound (A) has a (meth) acrylonitrile group and has an aromatic skeleton or an alicyclic skeleton having an unsaturated double bond in a ring-like skeleton. The compound (B) having a % ether group has two or more cyclic ether groups and has an aromatic skeleton. The photoreactive compound (〇 is a photoreactive compound other than the (meth)(tetra)fluorenyl compound (A). The term "(meth)acryloyl) means an acryloyl group and a mercaptopropenyl group. The curable composition for inkjet according to the present invention contains a (meth)acrylic acid-containing compound (A), a photoreactive compound (c), and a photopolymerization initiator (d), so that it can be irradiated with light. Further, since the curable composition for inkjet according to the present invention contains the cyclic ether group-containing compound (B) and the latent curing agent (7), it can be cured by imparting heat. Therefore, the curable σ material for inkjet according to the present invention can be cured by irradiation with light and heat, and is an inkjet light and a thermosetting composition. The curable composition for inkjet according to the present invention can be irradiated by irradiation

S 159117.doc 201224080 After obtaining a cured product by light, it is hardened by applying heat to the primary cured material to obtain a cured layer such as a resist pattern. By performing the primary curing by the irradiation of the light, it is possible to suppress the wet diffusion of the curable composition for inkjet applied to the member to be coated such as the substrate. Therefore, a cured layer such as a fine resist pattern can be formed with high precision. Further, the curable composition for inkjet according to the present invention has a specific composition containing the components (A) to (E), and particularly the compound (A) having a (meth) acrylonitrile group has an aromatic skeleton or has an alicyclic ring. The alicyclic skeleton having an unsaturated double bond in the skeleton and the cyclic ether group-containing compound (B) have an aromatic skeleton, so that the heat resistance of the cured product can be improved. Therefore, the electronic component using the curable composition for inkjet of the present invention can be used for a long period of time, and the sin of the electron incinerator can be improved. Further, the printed wiring board using the curable composition for inkjet according to the present invention can be used for a long period of time, and the reliability of the printed wiring board can be improved. Further, the curable composition for inkjet according to the present invention has a specific composition containing the components (A) to (E), and particularly the compound (A) having a (meth) acrylonitrile group has an aromatic skeleton or has The alicyclic skeleton containing an unsaturated double bond in the alicyclic skeleton and the cyclic ether group-containing compound (7)) have an aromatic skeleton, so that the uniformity of the cured film after hardening can be improved. For example, a curable composition for inkjet is applied onto a member to be coated by an inkjet method, and the composition is cured by irradiation with light and heat, whereby a cured layer such as a uniform resist pattern can be obtained. . Specifically, for example, separation between the photocured photocurable component and the thermally hardened thermosetting component can be suppressed, and unevenness in the cured film such as the button pattern can be prevented from occurring. 159117.doc 201224080 Hereinafter, details of each component contained in the curable composition for inkjet according to the present invention will be described. [(meth)acryloyl group-containing compound (A)] The (meth)acrylonitrile group-containing compound (4) has a (fluorenyl) acrylonitrile group and has an aromatic skeleton or has no alicyclic skeleton. Saturated double bond. The moon is a ring skeleton. Since the (meth) propylene-containing compound (4) has a (meth) acrylonitrile group, it is polymerized and hardened by irradiation with light. Therefore, by applying light after applying the curable composition, curing can be performed, and the applied shape can be maintained, and the primary cured product and the cured product of the curable composition which is irradiated with light can be effectively prevented from being excessively wet-diffused. The compound (A) containing a (fluorenyl) propyl group may be used singly or in combination of two or more. As the compound (A) having a (fluorenyl) acrylonitrile group, a compound (A1) having a (meth) acryl fluorenyl group and having an aromatic skeleton, and having a (meth) acryl fluorenyl group and having an alicyclic ring can be used. Any one of the compounds (A2) having an alicyclic skeleton of an unsaturated double bond in the skeleton. In the compound (A1), examples of the monofunctional compound having one (meth)acryl fluorenyl group include (meth)acrylic acid sulfonate, phenoxyethyl (meth)acrylate, and alkoxylate (meth)acrylate. Basic esters and the like. The polyfunctional compound having two or more (meth) acrylonitrile groups in the compound (A1) may, for example, be an epoxy (methyl) compound obtained by adding (meth)acrylic acid to a bisphenol epoxy compound or the like. Acrylates, (mercapto)acrylic aromatic aryl phthalates, aromatic polyesters (alkyl) acrylates, epoxidized double-president A-type (di) (meth) acrylates and propylene oxides Age a type of bis(indenyl) acrylates. 159117.doc 201224080 Specific examples of the compound (A2) include dicyclopentenyl (meth)acrylate and dicyclopentenyloxyethyl (meth)acrylate. The compounding amount of the (meth)acrylonitrile group-containing compound (A) is appropriately adjusted so as to be moderately hardened by irradiation with light and heat, and is not particularly limited. When an example of the compounding amount of the (meth)acrylonitrile group-containing compound is disclosed, the content of the (meth)acrylic acid group-containing compound (A) is preferably 100% by weight of the inkjet curable composition. It is 1 〇 weight. /. Above, 8〇% by weight or less. The upper limit of the content of the compound (A) containing a (fluorenyl) acrylonitrile group in 100% by weight of the curable composition for inkjet is appropriately adjusted depending on the content of the component (B) to the amount of the other component. Further, the (meth)acrylic acid group-containing compound (A), the cyclic scaly group-containing compound (B), and the photoreactive compound (C) are contained in an amount of 1% by weight, and the (fluorenyl) propylene is contained. The content of the thiol compound (A) is preferably 丨0% by weight or more. In this case, the heat resistance of the cured product and the uniformity of the cured film are further improved. [The cyclic ether group-containing compound (B)] The cyclic ether group-containing compound (B) has two or more cyclic ether groups and has an aromatic skeleton. Since the curable composition for inkjet according to the present invention contains the cyclic ether group-containing compound (B), it can be cured by imparting heat. By using the cyclic ether group-containing compound (B), the hardenable composition for inkjet can be cured once by irradiation to obtain a primary cured product, and the primary cured product can be hardened more efficiently by imparting heat. Therefore, the resist pattern can be formed efficiently and with high precision by using the cyclic ether group-containing compound (B), and the heat resistance and insulation reliability of the cured product can be improved. The compound (B) having a cyclic thiol group may be used singly or in combination of two or more. 159117.doc -10- 201224080 The compound (B) containing a cyclic ether group has an aromatic skeleton. Examples of the aromatic skeleton include a benzene ring skeleton, a naphthalene ring skeleton, an anthracene ring skeleton, a phenanthrene ring skeleton, a condensed tetraphenyl ring skeleton, a chopstick ring skeleton, a linked triphenyl ring skeleton, and a benzo[a] ring skeleton. Ring skeleton, thick pentacene ring skeleton, (four) skeleton and garland skeleton. The filler (4) is preferably a benzene ring skeleton, a naphthalene ring skeleton or an anthracene ring skeleton from the viewpoint of making the thermosetting property of the curable composition moderate and further improving the heat resistance of the cured product. The cyclic ether group in the cyclic ether group-containing compound (oxime) may, for example, be an epoxy group or an oxetanyl group. Among them, the ring-shaped county is preferably an epoxy group from the viewpoint of obtaining a cured product excellent in thermosetting property and excellent in shrinkage resistance. Specific examples of the compound having an epoxy group include (4) (iv) epoxy compound, phthalic acid> methyl hydrazine monoglycidyl ester compound, isocyanuric acid triglycidyl compound heterocyclic epoxy compound, and two A (four) type epoxy compound 'tetra(4) type epoxy compound, tetraglycidyl xylene, acetylated sigma bisphenol octadecyl oxy compound, hydrogenated bisphenol a type epoxy compound, bis = type epoxy compound , double AD type epoxy compound, evolution double A type epoxy compound, benzene hope @ ^ ^ / month thick type oxygen compound, cresy phenolic acid type ε, oxygen therapy, fat therapy _p * Oxide compound, bisphenol phenolic/monthly lacquer epoxy compound, integrator reed sputum i %: bismuth compound, ethoxylated epoxy compound, amine-containing epoxidized person, rolled σ, A rubber-modified epoxy compound, a bis-pentadiene phenol-type epoxidized compound, a ruthenium-oxygen-modified epoxy compound, and an ε-caprolactone-modified epoxy compound. Straight, and. Λ Ύ For the curable composition for inkjet of the present invention, it is optional to have a compound having an epoxy group.

159117.doc S 201224080 Epoxy compound of aromatic skeleton. A compound having an oxetanyl group is exemplified, for example, in Japanese Patent No. 3074086. In the curable composition for inkjet according to the present invention, a compound having an oxetanyl group having an aromatic skeleton can be used. The cyclic ether group-containing compound (B) has an aromatic skeleton. By using a compound having an aromatic skeleton and a cyclic ether group, the curable composition is further improved in heat storage during storage and at the time of discharge, and it becomes difficult to coagulate during storage of the curable composition. Gelatinized. Further, since the compound having an aromatic skeleton and a cyclic ether group is compared with a compound having no aromatic skeleton and having a cyclic ether group, the compound (A) containing a (meth) acrylonitrile group and a photoreactive compound Since the compatibility between the (C) and the latent curing agent (E) is excellent, the insulation reliability is further improved. The above cyclic fluorenyl group-containing compound (B) is preferably liquid at 25 °C. The cyclic ether group-containing compound (B) preferably has a viscosity at 25 ° C of more than 3 〇〇 mPa's. The viscosity of the cyclic ether group-containing compound (b) at 25 ° C is preferably 150 Pa·s or less, more preferably 80 Pa·s or less. When the viscosity of the cyclic ether group-containing compound (B) is at least the above lower limit, the resolution at the time of forming the cured layer is further improved. When the viscosity of the cyclic ether group-containing compound (B) is not more than the above upper limit, the discharge property of the curable composition is further improved, and the compatibility of the cyclic ether group-containing compound (B) with other components is further improved. Further improvement, insulation reliability is further improved. The compounding amount of the cyclic ether group-containing compound (B) is appropriately adjusted so as to be moderately hardened by imparting heat, and is not particularly limited. The content of the cyclic ether group-containing compound (B) in 100% by weight of the curable composition for inkjet is preferably 159117.doc -12 - 201224080 is 3% by weight or more and 6% by weight or less. The content of the cyclic ether group-containing compound (B) in the curable composition for inkjet (10) is more preferably 5% by weight or more, and still more preferably 50% by weight or less. When the content of the cyclic ether group-containing compound () is at least the above lower limit, the curable composition can be more effectively cured by imparting heat. When the content of the cyclic ether group-containing compound (B) is at most the above upper limit, the heat resistance of the cured product is further improved, and the wettability of the inkjet curable composition applied by the ink jet method can be further suppressed. [Photoreactive compound The photoreactive compound (C) is a photoreactive compound 4 which is a compound containing (f-group) acrylonitrile group (a). The photoreactive compound (c) is preferably an alicyclic skeleton which does not have an aromatic skeleton and does not have an unsaturated double bond in the alicyclic skeleton. The photoreactive compound (c) may be used alone or in combination of two or more. The photoreactive compound (C) may, for example, be a polyfunctional compound having two or more (fluorenyl) acrylonitrile groups and a monofunctional compound having one (meth) acrylonitrile group. Examples of the polyfunctional compound include a (meth)acrylic acid addition product of a polyhydric alcohol, an (alkyl)acrylic acid adduct of an alkylene oxide modified product of a polyhydric alcohol, and (meth)acrylic acid amine. Based on acid, and polyester (meth) acrylate. Examples of the polyhydric alcohol include diethylene glycol, triethylene glycol, polyethylene glycol, dipropylene glycol, tripropylene glycol, polypropylene glycol, trishydroxypropyl propyl ketone, sorrow dolphin dimethanol, and tricyclohexan Methanol and pentaerythritol. Specific examples of the polyfunctional compound in the photoreactive compound (c) include triethylene glycol bis(indenyl) acrylate and tricyclodecane dinonanol.

159117.doc S 201224080 (meth)acrylic acid vinegar, etc. Specific examples of the monofunctional compound in the photoreactive compound (c) include isobornyl (meth)acrylate and cyclopentyl (meth)acrylate. The photoreactive compound (c) is preferably a compound (C1) having a polycyclic skeleton and having a (fluorenyl) acrylonitrile group. By using this compound, the heat resistance of the cured product of the above-mentioned curable composition for inkjet can be improved. Therefore, electronic components such as printed wiring boards using the curable composition for inkjet according to the present invention can be used for a long period of time, and the reliability of the electronic components can be improved. The above-mentioned yttrium compound (C1) is preferably a polyfunctional compound (C1) having a polycyclic skeleton and having two or more (fluorenyl) propylene groups. Therefore, the photoreactive compound (C) is preferably a polyfunctional compound (CU) having a polycyclic skeleton and having two or more (meth)acrylonium groups. The above compound (C1) is also preferably a monofunctional compound (C1-2) having a polycyclic skeleton and having one (meth)acrylinyl group. Therefore, the photoreactive compound (c) is preferably a monofunctional compound (C1-2) having a polycyclic skeleton and having one (meth)acryl fluorenyl group. Among them, a polyfunctional compound (C1 _ 1) having a polycyclic skeleton and having two or more (meth) acrylonitrile groups is preferred from the viewpoint of further improving the heat and humidity resistance of the cured product. Further, the photoreactive compound (C) is more preferably a polyfunctional compound having a polycyclic skeleton and having two or more (meth)acryl fluorenyl groups (dD, and having a polym skeleton 2 having one (meth) propyl group In the case of the above-mentioned monofunctional compound (d-2), the heat resistance of the cured product of the above-mentioned inkjet hardenable composition becomes relatively high. Therefore, the 1591I7 can be used for a longer period of time. Doc 201224080 The electronic component such as a special wiring board of the ink jet material composition of the present invention is used, and the reliability of the electronic component is further advanced by using IX, by using a monofunctional compound (C1-2), not only a cured product The heat-resistance is improved, and the squeezing property of the curable composition is also improved. Further, when a monofunctional compound having a polycyclic skeleton and having one (fluorenyl) acrylonitrile group ((: ι·2) is used, The heat resistance of the cured product is improved as compared with the case of using a monofunctional compound having no polycyclic skeleton and having one (fluorenyl) acrylonitrile group. The polyfunctional compound (C1-1) has a polycyclic skeleton and has More than two The acrylonitrile group is not particularly limited. A previously known polyfunctional compound having a polycyclic skeleton and having two or more (fluorenyl) acrylonitrile groups can be used as the polyfunctional compound (Cl-I). (C1 1) has two or more (meth) acrylonitrile groups and is hardened by polymerization by irradiation with light. The polyfunctional compound (C1-1) may be used alone or in combination of two or more. The g忐 compound (C1 _ 1) may, for example, be a (meth)acryl oxime adduct of a polyhydric alcohol, an alkylene oxide adduct of a polyalkylene oxide modified product, or an (meth)acrylic acid amine. Examples of the above polyols include diethylene glycol, triethylene glycol, decyl alcohol, dipropylene glycol, tripropylene glycol, polypropylene glycol, and the like. Examples of the polyfunctional compound (CU) include tricyclodecane-methanol methyl acrylate and isobornyl dimethanol di(meth)acrylic acid hydrazide. Further improve the heat resistance of the hardened material From the point of view of the nature, the compound (C1-1) is preferably tricyclic terbene dimethanol (mercapto).

S 159117.doc 15 201224080 A. {· Secret "γ, ^ (methyl) propionate" means acrylate and methacrylate. The monofunctional compound (C1_2) is not particularly limited as long as it has a polycyclic skeleton and has one (meth) propylene base. A previously known monofunctional compound having a polycyclic skeleton and having one (fluorenyl) acrylonitrile group can be used as the single s-energy compound (C1_2). The monofunctional compound (ci_2) may be used alone or in combination of two or more. Specific examples of the monofunctional compound (C1_2) include (meth)acrylic acid ketone, dihydroxycyclopentadienyl (meth)acrylate, and (cyclo)pentamethyl (meth) acrylate. Purpose. Among them, the monofunctional compound (ci2) is preferably selected from the group consisting of isobornyl (meth)acrylate and dicyclopentadienyl (meth)acrylate from the viewpoint of further improving the moist heat of the cured product. And at least one of the group consisting of dicyclopentanyl (meth)acrylate. Chemical. The above "polycyclic skeleton" in the substance (C1) means a structure having a plurality of cyclic skeletons in succession. The polycyclic skeleton represented by the compound (C1) may, for example, be a polycyclic alicyclic skeleton or the like. Examples of the polycyclic alicyclic skeleton include a bicyclic hydrocarbon skeleton, a tricycloalkane skeleton, a tetracycloalkane skeleton, and an isobornyl skeleton. The blending amount of the photoreactive compound (C) is appropriately adjusted so as to be moderately hardened by irradiation with light, and is not particularly limited. The content of the photoreactive compound (c) in the amount of the curable composition for inkjet is preferably 3 or more and 8% by weight or less. The content of the photoreactive compound (C) in the weight % of the curable composition for inkjet is more preferably 5% by weight or more, still more preferably 70% by weight or less. When the content of the photoreactive compound (c) is the above lower limit 159117.doc -16 - 201224080 or more, the curable composition can be more effectively cured by irradiation with light. When the content of the photoreactive compound (c) is at least the above upper limit, unevenness may occur during thermal curing. The content of the compound (C1) is preferably 5% by weight or more, more preferably 丨〇% by weight or more, still more preferably 2% by weight or more, and preferably 80% by weight based on 100% by weight of the curable composition for inkjet. The weight % or less is more preferably 7 〇 by weight. It is preferably at least 60 weights. /〇The following. The content of each of the 'compound (Cl_i) and the compound (ci_2) in the curable composition for inkjet is preferably 5% by weight or more, more preferably 1% by weight or more, and still more preferably 2 Å. The weight% or more is preferably 80% by weight or less, more preferably 7% by weight or less, still more preferably 6% by weight or less, and still more preferably 8% by weight or less. When the content of each of the compound (C1), the compound (C1-1) and the compound (C1_2) is at least the above lower limit, the moist heat resistance of the cured product is further improved. When the content of each of the compound (C1), the compound (C1-1) and the compound (C1_2) is at most the above upper limit, the curable composition can be more effectively cured by irradiation with light and heat. [Photopolymerization initiator (D)] The curable composition for inkjet according to the present invention contains a photopolymerization initiator (D) in order to cure the curable composition by irradiation with light. Examples of the photopolymerization initiator (D)' include a photoradical polymerization initiator, a photocationic polymerization initiator, and the like. The photopolymerization initiator (D) is preferably a photoradical polymerization initiator. The photopolymerization initiator (D) may be used alone or in combination of two or more. The photoradical polymerization initiator is not particularly limited. The above photoradical polymerization initiator is used to generate free radicals by irradiating light and to start free

S 159H7.doc •17· 201224080 Compounds based on polymerization. Specific examples of the photoradical polymerization initiator include benzoin, benzoin alkyl ether, acetophenone, aminoacetophenone, anthraquinone, thioxanthone, and ketal. 2,4'5-diarylimidazole dimer, riboflavin tetrabutyrate, thiol compound, 2,4,6-three-average three-plough, organic compound, benzophenone, oxygen Anthrone and 2,4,6-trisylbenzimidyl diphenylphosphine oxide, and the like. These photoradical polymerization initiators may be used alone or in combination of two or more. Examples of the benzoin alkyl ethers include benzoin methyl ether, benzoin ethyl ether, and female isopropyl ether. Examples of the acetophenones include acetophenone 2,2-methoxycarbonyl-2-phenylacetophenone, 2,2-diethoxy-2-phenylacetophenone, and 1,1-di Chloroacetophenone filial. Examples of the above aminoacetophenones include 2-methyl-1-[4-(methylthio)phenyl]_2-morpholinopropane < ketone, 2-benzyl-2-methylamino 1-(4-morpholinylphenyl)-butan-1-one and N,N-didecylamine tert-ethyl _ and the like. Examples of the above-mentioned oxime-types include thiol-based brewing, ethyl quinone-'2-t-butyl fluorene, and hydrazine-chloropurine. Examples of the above thioxanthones include 2,4-dimethylthiaxanthone, 2,4-diethylthiazepine, 2-chlorothiazepine 8 and 2,4•diisopropyl. Pyrithione and the like. Examples of the ketal's include acetophenone dimethyl ketal and benzoin decyl ketal. Examples of the thiol compound include 2, thiophene benzoate, 2 sulfobenzone, and 2 (tetra) benzo (tetra). Examples of the above-mentioned (tetra)-based compound include 2,2,2-tribromoethanol and Sanmomethylphenyl stone. Examples of the benzophenones include diphenyl f-ketone and 4,4,-bis(diethylamino)benzophenone. The above photoradical polymerization initiator is preferably an α-aminoalkylphenone type light from 159117.doc 201224080 from a base polymerization initiator, more preferably an amidino group α-aminoalkylphenone Type photoradical polymerization initiator. By using this specific photoradical polymerization initiator, the curable composition for inkjet can be efficiently photocured even when the amount of exposure is small. Therefore, by irradiating light, it is possible to effectively suppress the wet diffusion of the applied curable composition for inkjet, and to form a fine resist pattern with high precision. Further, in the case where the photoradical polymerization initiator is an α-aminoalkylbenzophenone type photopolymerization initiator having a diammonium group, the heat hardening rate can be accelerated, and the light of the composition can be made. The thermosetting property of the irradiated material is good. The present inventors have found that by using an α-aminoalkyl ketone type photoradical polymerization initiator having a diammonium group, not only photocurability can be improved, but also thermosetting property can be changed. Good. The above-mentioned cardiamine ketone type photoradical polymerization initiator having a diammonium group is a component which greatly contributes to the improvement of thermosetting property. Further, by using an α-aminoalkyl ketone type photoradical polymerization initiator having a dimethylamino group, heat resistance and insulation reliability of the cured product can be improved. When the insulation reliability is excellent, electronic components such as a printed wiring board having a resist pattern formed of the curable composition for inkjet according to the present invention are used for a long period of time under high humidity conditions, and the insulation resistance is sufficiently maintained high. value. Specific examples of the above-mentioned cx-aminoalkylphenone type photoradical polymerization initiator include IRGACURE 907 'IGGACURE 369, IRGACURE 379 and IRGACURE 379EG manufactured by BASF Corporation. It is also possible to use an α-aminoalkylphenone type photopolymerization initiator other than the above. Wherein 'the photocurability of the curable composition for inkjet and the hardened matter

S 159117.doc -19 201224080 From the viewpoint of further improving the insulation reliability, it is preferably 2_benzyl-2-dimethylaminomorpholinylphenyl)butanone-1 (IRGacure or 2) -(Dimethylamino)-2-[(4-indolyl)indolyl]-l-[4-(4-morpholinyl)phenyl]-1-T_ (IRGACURE 379 or IRGACURE 379 EG). These are dimethylamino-based α-aminoalkylphenone type photoradical polymerization initiators. The above photoradical polymerization initiators are also used in combination with a photopolymerization starter. The starting agent can be exemplified by hydrazine, hydrazine-dimethylamino benzoic acid ethyl ester, hydrazine, hydrazine-dimethylaminobenzoic acid isoamyl ester, 4-dimethylaminobenzoic acid amyl ester, triethyl ethane. An amine, a triethanolamine, etc. The photopolymerization initiation aid other than the above may be used. The photopolymerization initiation aid may be used alone or in combination of two or more. (1), etc. (manufactured by Ciba Specialty Chemicals Co., Ltd.), a titanocene compound or the like is used to promote the photoreaction. The photocationic polymerization initiator is not particularly limited, and examples thereof include salt and iron salts. The metallocene compound and the benzoin toluene acid vinegar, etc. The above photocationic polymerization initiator may be used singly or in combination of two or more. The photoreactivity with respect to the compound (fluorene) containing fluorenyl fluorenyl group The compound (the total amount of hydrazine - the part by weight of the photopolymerization initiator (9) is preferably 〇] by weight or more, more preferably more than 5% by weight, more preferably 3 parts by weight or more, preferably 3 Å. It is more preferably 15 parts by weight or less, further preferably 10 parts by weight or less. When the content of the photopolymerization initiator (9) is at least the above lower limit and lower than the above upper limit, the curable composition is irradiated with light. Further effective hardening. 159117.doc 201224080 [Latent hardener (E)] The curable composition for inkjet according to the present invention contains a latent curing agent (E) in order to be efficiently cured by imparting heat. The curing agent is not particularly limited, and a conventionally known latent curing agent can be used as the latent curing agent (E) «> The latent curing agent (E) may be used alone or in combination of two or more. Hardener (E) The dicyanoguanamine particles and the lanthanoid compound may be coated with a triphenylphosphine (thermosetting agent) coated with an outer shell formed of a methyl (meth) acrylate resin or a styrene tree. The latent curing agent (for example, "EpcAT_p" and "EPCAT-PS" manufactured by Nippon Kayaku Co., Ltd.), and a thermosetting agent such as an amine coated with a shell formed of a polyurea polymer or a radical polymer. The latent curing agent (Japanese Patent No. 3, No. 97, and Japanese Patent No. 3199818) is obtained by dispersing and sealing a thermosetting agent such as modified oxazole into an epoxy resin. Latent hardener ("N〇vacure hxA3792" and "HXA3932HP" manufactured by MASm Kasei & mATERIALS), a latent hardener which disperses a hardener and is contained in a thermoplastic polymer (Japanese Patent No. 3) (9), an imidazole latent curing agent coated with a tetraphenol compound or the like (for example, "tEP_2E4MZ" and "HIPa 2E4MZ" manufactured by Soda, Japan). Latent hardeners other than those may also be used. In terms of step-by-step reduction of the viscosity change during heating, the term "step latent hardener (8) is preferably dicyanodiamine 1 to further reduce the viscosity at the time of warming. Not branched, and further extended the application period 159117.doc S. 201224080 and the second 'latent hardener (8) is preferably dicyandiamine: or: The reaction viscous material (E1) is obtained by reacting 3 g of the compound of the base of the S-b soil of the dicyanodiamine reaction. As a preferable example of the above reaction dope (D), a reaction product obtained by reacting a ring (tetra) group of a compound having a cyclical engraving group with a part of active hydrogen of cyanodiamine can be mentioned. In order to prevent precipitation of the dicyanodiamide particles or clogging of the nozzle, the dicyanodiamine may be preliminarily reacted with the compound having a ring-shaped squeaking and dissolved in the composition. In this case, the pot life of the composition is also good. The latent hardener (Ε) is particularly preferably a reaction viscous material (Ε1) obtained by reacting dicyanodiamine with a functional group-containing compound having a functional group reactive with the dicyanodiamine. By using such a reactive dope (Ε1), the insulation reliability by the carbide can be improved. Further, the curable composition is difficult to change even when the viscosity is from /m to 50C or more, and the pot life is prolonged. Further, the reactive viscous material (E1) may have a viscous property as long as it is used in the curable composition for inkjet, and may not be viscous in the curable composition for nozzle ink. Further, when the reaction viscous material (E1) is taken out from the curable composition for inkjet, the reaction viscous material (E1) can also be viscous. The dicyanodiamine (dicyanodicimide particle) which is solid at normal temperature (23 ° C) has a solid form in the liquid component, so it precipitates during storage or causes an ink jet head. The possibility of nozzle clogging. In order to eliminate such a problem, it is preferred to react dicyanodiamine with a functional group-containing compound having a functional group reactive with the dicyanodiamine to prepare a counter 159117.doc -22·201224080. The viscous material (E1)' is added to the composition. That is, in the curable composition for mouth ink of the present invention, it is preferred to react dicyanodiamine with a functional group-containing compound having a functional group reactive with the dicyanodiamine. The reaction viscous material (E1) is used as a latent hardener (e). When the reactive dope (E1) is used, the pot life of the composition and the insulation reliability by the cured product become good. The reaction dope (E1)' before being formulated in the above-mentioned inkjet curable composition is preferably not formulated in an organic solvent or formulated in an organic solvent and is relative to the above-mentioned reactive dope (E1)1. The amount of the organic solvent to be blended is 100 parts by weight or less based on the parts by weight. When the reaction viscous material (E1) is blended in an organic solvent, the amount of the organic solvent to be formulated with respect to 100 parts by weight of the reaction viscous material (El) is preferably 5 Å or less by weight, more preferably 20 The replacement portion is further preferably 1 part by weight or less, and more preferably 1 part by weight or less. The reaction dope (E1) is preferably a reaction product obtained by reacting the functional group-containing compound with one of the active hydrogens of dicyanodiamine. The functional group of the above functional group-containing compound which can be reacted with dicyanodiamine is generally reacted with a part of the active hydrogen of dicyanodiamine. The above dicyanoguanamine which is reacted with the above functional group-containing compound is preferably in the form of a powder. By reacting the powdery dicyanodiamine with the above-mentioned functional group-containing compound, the above reaction viscous (E1) which is not powdery but viscous can be obtained. The above reaction viscous material (E1) is easily synthesized to obtain a sclerosing composition having a long pot life, and is reacted with the above dicyandiamide.

The above functional group-containing compound of S 159117.doc -23-201224080 preferably has at least one functional group selected from the group consisting of a hydroxyl group, a cyclic ether group, a thiol group and an isocyanate group. From the viewpoint of easily synthesizing the above-mentioned reactive dope (Ei) to obtain a curable composition having a long pot life, the functional group-containing compound which is reacted with the above dicyanodiamine is preferably a ring-shaped compound. An ether-based compound. The compound having a cyclic ether group which is reacted with dicyanodiamine is preferably a compound having a bad mystery. From the viewpoint of easily synthesizing the above reaction dope (E1) to obtain a curable composition having a long pot life, the above functional group-containing compound which is reacted with the above dicyanodiamine is preferably an epoxy group. Base compound. The epoxy group-containing compound which is reacted with dicyanodiamine is preferably a compound having an epoxy group. From the viewpoint of easily synthesizing the above reaction dope (E1) and further obtaining a curable composition for inkjet having a long pot life, further improving the heat resistance of the cured product of the curable composition. The functional group-containing compound which reacts with the above dicyanodiamine is preferably a compound having an aromatic skeleton, more preferably an aromatic skeleton and a cyclic ether group, and particularly preferably having an aromatic skeleton and a cyclic oxime. Base compound. Specific examples of the functional group-containing compound include strepto glycidyl ether, butyl glycidyl ether, o-tolyl glycidyl ether, m-phenyl phenyl glycidyl ether, p-phenyl phenyl glycidyl ether, and alkene. a glycidyl ether such as propyl glycidyl ether or p-tert-butylphenyl glycidyl ether, or glycidyl (meth)acrylate, and _3,4-epoxycyclohexyl decyl (meth)acrylate . 159117.doc -24- 201224080 From the viewpoint of further improving the heat resistance of the cured product, the above functional group-containing compound is preferably a phenyl glycidyl ether having an aromatic ring, o-tolyl glycidyl ether, and m-tolyl shrinkage. Glycerol ether, p-tolyl glycidol or p-tert-butylphenyl glycidyl ether. In the reaction of the above-mentioned monocyanoic acid amine with the above functional group-containing compound, it is preferred to use 〇·2 moray to be more preferably 1 mol with respect to dicyandiamine. Above the ear, preferably less than 4 moles, more preferably less than 3 moles of the above functional group-containing compound is reacted therewith. That is, the reaction viscous material (Ε1) is preferably 0.2 mol or more, more preferably 丨 mol or more, and more preferably 4 mol or less, based on 1 mol of the dicyanodiamine. More preferably, it is a reaction viscous compound obtained by reacting the above functional group-containing compound of 3 mol or less. From the viewpoint of obtaining a curable composition which is further excellent in pot life, the above-mentioned reactive dope (E1) is particularly preferably in an amount of more than 3 moles per mole of the above-mentioned dicyandiamide. The reaction viscous compound obtained by reacting the above functional group-containing compound with it. If the amount of the functional group-containing compound used is less than the above lower limit, there is an unreacted dicyanodiamine which precipitates. When the amount of the functional group-containing compound used exceeds the above upper limit, all of the active hydrogens of the above reaction dope are deactivated. The compound (B) containing the cyclic ether group cannot be cured. Further, in the reaction, it is preferred to carry out the reaction from 60 ° C to 140 ° C in the presence of a solvent or a reaction accelerator. When the above dicyanoguanamine is reacted with the above functional group-containing compound, a solvent may be used to dissolve the dicyanoguanamine. The solvent is a solvent which can dissolve dicyanodiamine. As a solvent which can be used, for example,

S 159117.doc -25· 201224080 Propane net, mercapto ethyl ketone, dimercapto aryl amine and methyl cellosolve. A reaction accelerator may also be used in order to promote the reaction of the above dicyanodiamine with the above functional group-containing compound. As the reaction accelerator, a conventionally known reaction accelerator such as benzene, an amine, an imidazole or triphenylphosphine can be used. The reactive thickener (E1) and the cyclic ether group-containing compound (B) are preferably used in the curable composition for inkjet according to the present invention in terms of suppressing the decrease in the pot life and suppressing the unevenness in hardening. The "compatibility" is preferably compatible with the (meth)acryloyl group-containing compound (A), preferably with the photoreactive compound (C), and is preferably dissolved in the curable composition. Preferably, the reactive viscous material (E1) is compatible with the cyclic ether group-containing compound (B). Preferably, it is compatible with the (fluorenyl) acrylonitrile-containing compound (A), preferably Compatible with the photoreactive compound (C). The above reactive viscous material (E1) is, for example, a non-powder-like reaction viscous material obtained by a reaction of a powdery dicyanodiamine with a functional group-containing compound. From the viewpoint of further improving the ink jet ejectability, it is preferred that the above reaction dope (E1) is not a solid', and it is preferably not a crystal, and is preferably a non-crystalline solid. Preferably, the above reaction dope (E1) is in the form of a liquid or a semisolid. Preferably, the reactive viscous material (E1) is transparent or translucent. Whether or not the above-mentioned reaction viscous substance (E1) is transparent or translucent can be judged based on whether or not the object is visible when the object is observed through the reaction viscous substance (E1) having a thickness of 5 mm. The blending ratio of the cyclic ether group-containing compound (B) to the latent hardener (E) is not particularly limited. The content of the latent curing agent (E) is preferably 丨 by weight or more, more preferably 3 parts by weight or more with respect to the compound (B) containing a ring-shaped base. 〇〇 159117.doc • 26- 201224080 parts It is preferably 5 parts by weight or less, more preferably 4 parts by weight or less. [Other components] The curable composition for inkjet according to the present invention may further contain a latent curing agent (E) and a thermal curing agent other than the latent curing agent (E). Further, the curable composition for inkjet according to the present invention may further contain a curing accelerator. Specific examples of the above-mentioned thermosetting agent include an organic acid, an amine compound, a guanamine compound, an anthraquinone compound, an imidazole compound, an imidazoline compound, a phenol compound, a urea compound, a polysulfide compound, and an acid anhydride. A modified polyamine compound such as an amine-epoxy adduct may also be used as the above-mentioned hot hardening agent. Examples of the curing accelerator include a tertiary amine, an imidazole, a quaternary ammonium salt, a quaternary phosphonium salt, an organic metal salt, a phosphorus compound, and a urea compound. The curable composition for inkjet according to the present invention may contain a solvent as needed depending on the purpose of adjusting the viscosity and the like. As the solvent, a solvent which does not react with a component in the curable composition is preferred. The solvent which is volatile is preferred because it can be dried and removed by heating in an oven or a hot plate and decompression in a reduced pressure chamber before the hardening reaction of the curable composition. Further, the curable composition for inkjet according to the present invention may contain an organic solvent if it is a small amount. The curable composition for inkjet according to the present invention may be formulated with various additives within a range not inhibiting the object of the present invention. The additive is not particularly limited, and examples thereof include a coloring agent, a polymerization inhibitor, defoaming, and a solvent:

S 159117.doc -27- 201224080 Charge-providing agent, etc. As the above-mentioned coloring agent, it is possible to smear the indigo, the phthalocyanine green, the iodine green, the bismuth vapor, the crystal violet, the titanium oxide, and the carbon inhibitor. Wait. As the above-mentioned polymerization, it is a single test, a third dinol, a phenol, and a phenol thiophene. Tu Xuan. Special. As the antifoaming agent, a polyfluorene-based defoaming agent, a fluorine-based a foaming agent, and a molecular antifoaming agent can be mentioned. As the above-mentioned leveling agent, it is possible to take a sample of & p ^ _ 歹滹. a polyfluorene-based leveling agent, a fluorine-based leveling agent, and a knife-based homogenizing agent. Examples of the adhesion imparting agent include an imidazole-based adhesion imparting agent, a thiazole-based adhesion imparting agent, a triazole-based adhesion imparting agent, and a decane coupling agent. In the curable composition # for inkjet according to the present invention, the viscosity at 25C measured according to m K2283 is preferably 16 G mpa s or more and 丨·峨 (10). When the viscosity of the curable composition for inkjet is not less than the above lower limit and not more than the above upper limit, it is possible to eject the inkjet curable composition from the ink jet head easily and with high precision. Further, even if the curable composition for mouth ink is heated to 5 or more generations, the composition can be accurately received from the ink jet head. The above viscosity is more preferably 1000 mPa·s or less, and further preferably 5 〇〇 mPas or less. When the viscosity is more than the above-mentioned upper limit, the discharge property is further improved when the curable composition is continuously discharged from the mouth. Further, from the viewpoint of further suppressing the wet diffusion of the curable composition and further improving the resolution at the time of forming the cured layer, the viscosity is preferably Z over 500 mPa·s. The curable composition for inkjet according to the present invention preferably contains no organic solvent or 159117.doc -28 - 201224080 contains an organic solvent and the content of the above organic solvent in the above curable composition is 1% by weight is 50% by weight. the following. In the weight percent of the curable composition (10), the content of the organic solvent is more preferably 2% by weight or less, further preferably (4% by weight or less), and particularly preferably 10,000% by weight or less. The smaller the content of the above organic solvent, the better the resolution at the time of forming the cured layer. The curable composition for inkjet according to the present invention preferably contains no organic solvent or contains an organic solvent, and the content of the above organic solvent is 5 parts by weight or less based on 1 part by weight of the reactive thickener (E1). The content of the organic solvent is more preferably not more than 1 part by weight, more preferably 10 parts by weight or less, even more preferably 1 part by weight or less, based on 1 part by weight of the above-mentioned reaction adhesive (E1). The smaller the content of the above organic solvent, the better the resolution at the time of forming the cured layer. (Manufacturing Method of Electronic Component) Next, a method of manufacturing the electronic component of the present invention will be described. The method for producing an electronic component of the present invention is characterized in that the above-mentioned curable composition for inkjet is used. That is, in the method of producing an electronic component of the present invention, first, the curable composition for inkjet is applied by an inkjet method, and a pattern is drawn. In this case, it is particularly preferable to directly draw the above-mentioned curable composition for inkjet, and draw it directly without thinking of using a mask. Examples of the electronic component include a printed wiring board and a touch panel component. The above electronic component is preferably a wiring board, more preferably a printed wiring board. An ink jet printer can be used for the application of the above-mentioned curable composition for inkjet. The ink jet printer has an ink jet head. The ink jet head has a nozzle. The ink jet device is preferably provided to warm the temperature in the ink jet device or in the ink jet head to

S 159117.doc -29-201224080 5 (The heating unit for the above-mentioned nozzle ink is preferably applied to the member to be coated. The substrate to be coated is, for example, a substrate. The substrate may be a substrate provided with wiring or the like on the upper surface, etc. The above-mentioned inkjet curable composition is preferably applied onto a printed substrate. Further, the substrate may be replaced by the method for producing an electronic component of the present invention. A glass plate for a display device such as a liquid crystal display device is used as a member mainly composed of glass. The body may be provided with a conductive pattern such as ITOdndium Tin Oxides or indium tin oxide on a glass or the like. On the conductive pattern, a cured layer is formed by an inkjet method by the method for producing an electronic component of the present invention. When a patterned pattern of a conductive ink or the like is used on the cured layer, the cured layer becomes an insulating film, and electrical connection is made between the specific patterns in the conductive pattern on the glass. Then, the inkjet curable composition drawn in a pattern is irradiated with light and heat is applied to be cured to form a cured layer. Thus, an electronic component having a hard layer can be obtained. The cured layer may be an insulating film or a resist pattern. The insulating film may also be a patterned insulating film. The cured layer is preferably a resist pattern. The above resist pattern is preferably a solder resist pattern. Preferably, the method of manufacturing an electronic component of the present invention is a method of manufacturing a printed wiring board having a resist pattern. It is preferable that the curable composition for inkjet is applied by an inkjet method, and the pattern is formed into a pattern, and the inkjet curable composition having a pattern of the edge is irradiated with light and heat is applied thereto to be cured. And form an anti-residual pattern. It is also possible to obtain a secondary cured product by irradiating light to the curable composition for the nozzle ink drawn in a pattern to be hardened. Thereby, the wet diffusion of the inkjet curable composition manufactured by 159117.doc 201224080 can be suppressed, and a highly precise resist pattern can be formed. Further, when a cured product is obtained by irradiation with light, it is also possible to form a resist pattern by applying heat to the primary cured product to form a cured product. The curable composition for inkjet according to the present invention can be cured by irradiating light and imparting heat. When the photohardening and the heat hardening are used together, the heat resistance can be formed to be excellent (10). . It is ±, more preferably 120. . More preferably, it is 250. (: The following is more preferably 2 〇〇 < ^ below. The irradiation of the light may be performed after the edge, or may be performed simultaneously with the drawing. For example, it may be simultaneously with the ejection of the curable composition or immediately after the ejection. In order to illuminate the light at the same time as the drawing, the light source may be disposed such that the light source is located at a drawing position determined by the ink jet head. The light source for illuminating the light is appropriately selected according to the light to be irradiated. List · Uv_LED (ultra vi〇let Light e steal (four) heart, standby, external line - light emitting diode), low pressure mercury lamp, medium pressure mercury lamp, high pressure mercury lamp, ultra high pressure water money, xenon lamp and metal i lamp P The light is generally ultraviolet ray, and may be an electron beam, an α ray, a β ray, a γ ray, an X ray, a neutron beam, or the like. The temperature at which the curable composition for inkjet is applied is only a curable composition for inkjet. The temperature at which the viscosity can be ejected from the ink jet head is not particularly limited, and the temperature at which the curable composition for inkjet is applied is preferably 5 〇〇 C or more, more preferably 6 〇 C or more. 100%. The spray at the time of coating Was used and the viscosity of the σ hardening from the range of 1 as long as it can discharge the ink jet head is not particularly limited e

S 159117.doc -31 - 201224080 Also, there is a method of cooling the substrate during printing. When the substrate is cooled, the viscosity of the curable composition at the time of spraying is improved, and the resolution is improved. In this case, it is preferred that the cooling is stopped to the extent that condensation does not occur, or that the ambient air is dehumidified in such a manner that condensation does not occur. Further, since the substrate shrinks due to cooling, the dimensional accuracy can be corrected. In the case where the curable composition for inkjet contains the latent curing agent (E), the curable composition for inkjet is used, for example, when the curable composition for inkjet is heated in an inkjet head. The pot life is also long enough to achieve a stable spray. Further, since the curable composition for inkjet can be heated until it is suitable for application by the inkjet method, a printed wiring board or the like can be suitably produced by using the curable composition for inkjet of the present invention. Electronic parts. Hereinafter, the present invention will be specifically described by way of examples and comparative examples. The present invention is not limited to the following embodiments. (Synthesis Example 1) Methyl cellosolve 50 g 'dicyanodiamine 15 g and 2,4-diamino-6-[2] were added to a three-necked flask equipped with a stirrer, a thermometer, and a dropping funnel. '-undecyl imidazole-(1')] ethyl 1 3 well 1 g, and heated to 100 tons: to dissolve dicyanodiamine. After the dissolution, 130 g of butyl glycidyl ether was added dropwise from the dropping funnel over 2 minutes, and the mixture was reacted for 1 hour. Thereafter, the temperature was lowered to 6 Torr, and the pressure was removed to remove the solvent to obtain a yellow and translucent reaction viscous material. The reaction dope obtained is solvent free. (Synthesis Example 2) A 159117.doc-32·201224080-based cellosolve 50 g, dicyanodiamine 15 g, and 2,4-di were added to a three-necked flask equipped with a stirrer, a thermometer, and a dropping funnel. The amino-6-[2'-undecylimidazolium-(oxime)]ethyl group was triturated to 1 g, and heated to 10 ° C to dissolve the dicyanodiamine. After the dissolution, 40 g of o-phenyl phenyl glycidyl ether was added dropwise from the dropping funnel over 20 minutes, and the mixture was reacted for 1 hour. Thereafter, the temperature was lowered to 60 ° C, the pressure was reduced, and the solvent was removed to obtain a yellow and translucent reaction viscous material. The reaction viscous obtained is solvent free. (Synthesis Example 3) A yellow and translucent reaction viscous substance was obtained in the same manner as in Synthesis Example 2 except that the dropwise addition amount of o-phenylphenyl glycidyl ether was changed from 40 g to 95 g. The reaction viscous obtained is solvent free. Further, the following photopolymerization initiator (C) was prepared.

Irgacure 9〇7 (manufactured by BASF Japan): α-Aminoalkylphenone type photoradical polymerization initiator without diammonium group

Irgacure 309 (manufactured by BASF Japan): α-aminoalkylphenone type photoradical polymerization initiator having diammonium group

Irgacure 379EG (manufactured by BASF Japan Co., Ltd.): α-Aminoalkylphenone type photoradical polymerization initiator TPO (manufactured by BASF Japan Co., Ltd.) having a dimethylamino group: starting of fluorenylphosphine oxide type photoradical polymerization Agent

Irgacure 184 (manufactured by BASF Japan Co., Ltd.): α-hydroxyalkyl ketone type photoradical polymerization initiator (Example 1) The following components were mixed: a compound corresponding to a (fluorenyl) acrylonitrile group (Α) Epoxy acrylate vinegar of double bismuth type epoxy compound ("EBECRYL 3700" manufactured by Daicel-Cytec Corporation 159117.doc -33·201224080) 25 parts by weight and dicyclopentene acrylate g| (Manufactured by 曰立化成公司) FA-5 11 AS") 30 parts by weight, equivalent to a ring-shaped A-type epoxy compound ("JER828" manufactured by Mitsubishi Chemical Corporation), which is equivalent to a photoreactive compound (c) 10 parts by weight of diethyl acrylate-acrylic acid vinegar and isopropyl acetonide vinegar is part by weight, Irgacure 907 equivalent to photopolymerization initiator (D) (α-amino group Base polymerization initiator 'Manufactured by BASF Jap an Inc.) 4 parts by weight of dicyanodiamide (latin dicyanamide particles equivalent to latent hardener (E), median diameter: 3 μιη, Mitsubishi "DICY7" η by weight of the chemical company, and obtained a curable composition for inkjet. Examples 2 to 30 and Comparative Examples 1 to 3) A curing combination for inkjet was obtained in the same manner as in Example 1 except that the type and the amount of the compounding component were changed to those shown in Tables 1 to 4 below. Further, in the curable composition for inkjet obtained in Examples 18 to 30, the reactive dope is compatible with a compound containing a (fluorenyl) acrylonitrile group, and is compatible with a photoreactive compound, and It is compatible with the compound containing a cyclic ether group, and is further dissolved in the curable composition. (Evaluation) (1) Viscosity According to JIS K2283, a spray obtained by measuring a sputum using a viscometer (TVE22L j manufactured by Toki Sangyo Co., Ltd.) The viscosity of the curable composition for ink at 25° C. The viscosity of the reference inkjet curable composition is determined as follows. 159117.doc •34- 201224080 [Standard for viscosity determination] A : Viscosity exceeding 1200 mPa-s B : Viscosity exceeds 1000mPa-s, below 1200 mPa.s C: Viscosity exceeds 500 mPa-s, below 1000 mPa.s D: Viscosity is above 160 mPa.s, below 500 mPa s E: Viscosity is less than 160 mPa- s (2) Spraying preparation of glass ring with copper wire on the upper surface Resin substrate (100 mm x 100 mm). The curable composition for inkjet was ejected onto the substrate from an inkjet head of a piezoelectric inkjet printer equipped with an ultraviolet irradiation device, and patterned into a pattern. In the discharge test of the curable composition for inkjet having a viscosity of 500 mPa·s or less, the head temperature is 8 (rc), and the curable composition for inkjet having a viscosity of more than 5 μmPa·s is used. In the discharge test, the nozzle temperature was set to 95 °C. [Criteria for Judging the Ejection] 〇〇. The curable composition can be ejected continuously from the nozzle for more than 〇 hours. The curable composition can be ejected from the nozzle for more than 1 hour, but the continuous ejection period is small. Slightly discharge unevenness △ can continuously eject the curable composition from the nozzle, but can not be continuously ejected continuously for more than 1 hour; in the initial stage of the ejection, the curable composition cannot be ejected from the nozzle (3)

The surface is smashed with a broken glass epoxy substrate (100 mm x 100 mm). Hard injection of inkjet, and the pressure of the compound from the ultraviolet irradiation device

S 159117.doc •35· 201224080 , the inkjet nozzle of the nozzle ink printer is sprayed and applied to the substrate, and drawn into a line (the width of the ejection portion is 8 〇 (4) and the gap between them (width P) In the mouth test of the curable composition for inkjet at a viscosity of 500 mpa.sw, the temperature of the head is set to squeak, and the viscosity of the curable composition for inkjet is more than 50 GmPat. In the test, the temperature of the head was set to 95. (:: The curable composition for inkjet applied to the substrate (thickness (4) was irradiated with ultraviolet rays having a wavelength of 365 nm so that the irradiation energy was 1000 mJ/cm2. After 5 minutes of ultraviolet irradiation, the wet diffusion of the pattern was visually observed, and the wet diffusion was determined according to the following criteria. [Determination of the wetness and diffusion] 〇〇: The state of the wet diffusion is the target line width + 4 () μιη or less. 〇: The state of wet diffusion is more than the target line width +4 〇μιη, 75 μηη or less Χ: the composition layer is wet-diffused from the drawn portion, the interval between the lines disappears, or the state of the wet diffusion exceeds the target line width +75 μίη ( 4) Storage stability (applicable period) Length) The obtained inkjet hardenable composition was filtered using a 5 μm thin film filter, and the filtered inkjet hardenable composition was heated under 8 Torr for 12 hours. The upper surface was prepared. The copper foil was attached. The Fr_4 substrate with a copper foil is attached. The inkjet head for the inkjet paste is applied to the ink jet head of the piezoelectric inkjet printer with the ultraviolet irradiation device, and the line width is μπι and the interval between the lines is 80 μm. The method is sprayed and applied to the copper foil on the substrate, and patterned into a pattern of 159117.doc • 36 - 201224080. According to the discharge property of the ink jet head at this time, the storage stability is determined according to the following criteria. In the discharge test of the hardening composition for inkjet using a viscosity of 5 〇〇 mPa.w, the nozzle temperature was set as a sail, and the inkjet hardenable composition of the viscosity exceeding L 〇mpa s was ejected. During the test, the temperature of the head is set to 9.5. [The criterion for determining the storage stability] 〇: The composition can be ejected from the ink jet head △. The composition is hardening before the ejection, or the viscosity of the composition is increased. , failed to eject the composition from the inkjet nozzle x: combination Slightly hardened (5) unevenness of the cured film. The substrate with the copper foil attached to the upper surface is attached to the surface. The substrate is heated to 80 ° C, and the curable composition for inkjet is supplied with ultraviolet rays. The ink jet head of the piezoelectric type ink jet printer of the irradiation device is ejected and applied to the substrate so that the line width becomes 1 mm, and the pattern is drawn into a pattern. Further, the viscosity is 500 mPa. In the discharge test of the curable composition for inks below s., the nozzle temperature is 8 〇〇c, and when the inkjet curable composition is tested for a viscosity of more than 500 mPa·s, the spray is sprayed. The head temperature was set to 95 °C. The inkjet curable composition (having a thickness of 2 μm) drawn in a pattern was irradiated with ultraviolet rays having a wavelength of 365 nm so that the irradiation energy was 500 mJ/cm 2 and then heated at 150 ° C for 1 hour. It is formally hardened to form a resist pattern (hardened film) as a cured product. The surface of the obtained cured film was visually observed to evaluate whether or not the cured film was ς 159117.doc -37· 201224080. Determining the unevenness of the cured film according to the following criteria [Determination of the unevenness of the cured film] 〇〇: The surface of the cured film is uniform and the surface is smooth: the surface of the cured film is slightly uneven. The sickle but the majority of the surface of the cured film is uniform x: visible on the cured film (6) The heat-prepared glass epoxy resin substrate with the copper wire on the upper surface is mmxlOO mm)) The substrate is heated to 8 (rc, ejecting the curable composition for inkjet onto the substrate from the inkjet head of the piezoelectric inkjet printer equipped with the ultraviolet irradiation device) is applied to the entire surface. Further, the viscosity is 500. In the discharge test of the curable composition for inkjet below mPa.s, the nozzle temperature is 80 ° C. When the inkjet curable composition of the viscosity exceeds 500 mPa·s, the spray test is performed. The head temperature is set to 95° C. The ultraviolet curable composition (thickness: 2 μm ηη) coated on the substrate is irradiated with ultraviolet light having a wavelength of 365 so that the irradiation energy is 1 μm/cm 2 . Then heated at 180 ° C for 1 hour, which was officially hardened and formed as The resist pattern of the compound was obtained to obtain a test body. The obtained test body was allowed to stand at 270 ° C for 5 minutes, and thereafter, the cured product was confirmed by a cross-cut tape test (JIS 5400 6.15). The adhesion to the substrate was determined based on the following criteria. The heat resistance was determined by using a square of 100 squares, and the knives were scribed on the cured material at intervals of 1 mm, and then fully cured on the cured portion having the scribed portion. Scotch tape (jIS Z1522) is attached. 'One end of the tape is peeled off strongly at an angle of 45 degrees to confirm the peeling state. 159117.doc -38- 201224080 [Standard for heat resistance] 〇〇: peeling without hardening 〇··hardening Partial peeling of the object x: Total peeling of the cured product (7) Insulation reliability (anti-migration property) The comb type test pattern b of IPC-B-25 was prepared. The comb type test pattern 6 was heated to 80. (:, The inkjet curable composition is ejected and applied from an inkjet head of a piezoelectric inkjet printer equipped with an ultraviolet irradiation device so as to cover the entire surface of the comb-shaped test pattern 3. Further, the viscosity is 50 () mpas x under the ejection of the curable composition for inkjet At the time of the test, the nozzle temperature was set to 80 C, and the ejection temperature of the inkjet hardenable composition at a viscosity exceeding 5 〇〇 mPa.s was set to 95 ° C. Using a high pressure mercury lamp, The applied curable composition for inkjet (thickness: 20 μm) is irradiated with ultraviolet rays having a wavelength of 365 nm so that the irradiation can be a melon and a melon 2. Then, under 15 »£»c The primary cured product was heated to 6 〇/knife clock to be completely hardened to form a resist pattern as a cured product, and a sample was obtained. The obtained sample was subjected to 85 ° C, a relative humidity of 85%, and a direct current of 50 V. Under the conditions, the humidification test was carried out for 500 hours. The insulation resistance after the humidification test was measured, and the insulation reliability was determined based on the following criteria. [Determination of insulation reliability] 〇: Insulation resistance is 3 X1 〇10 ω or more △. Insulation resistance is 1 X 1 〇9 Ω or more, less than 3 χ i 〇1 〇Ω Χ : Insulation resistance is less than 1χ1〇9 Ω The results are shown in Table 丨~4 below. S. 159117.doc -39- 201224080 [Table i] Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Comparative Example 1 Comparative Example 2 Comparative Example 3 Formulated into a quantity (A) EBECRYL 3700 (manufactured by DaicelCytec) Epoxy acrylate of bisphenol A type epoxy compound 25 25 25 20 20 25 25 25 25 FA-511 AS (manufactured by 曰立化成公司) Dicyclopentenyl acrylate 30 30 15 20 50 55 30 30 Benzyl acrylate 30 Ingredients (B) jER828 (manufactured by Mitsubishi Chemical Corporation) Epoxy compound 15 15 15 15 10 9 40 jER806 (manufactured by Mitsubishi Chemical Corporation) Spontaneous F-epoxy compound 15 Ingredient (C) Tri-B Diethanol diacetate 10 10 10 20 20 5 3 10 10 Isobornyl isobornyl 15 15 15 25 20 5 3 60 15 15 Tricyclodecane dimethyl diacetate other components ST-3000 (Xinyi Iron Chemical Manufactured by the public sentence) Argonated bisphenol A type cyclic oxime compound 15 15 Component (D) Irgacure 907 (manufactured by BASF Japan) 4 4 4 4 4 4 4 4 4 4 Irgacure 369 (manufactured by BASF Japan) Irgacure 379EG (BASF Japan) Made by the company) TPO (manufactured by BASF Japan Co., Ltd.) Irgacure 184 (manufactured by BASF Japan Co., Ltd.) ¢) DICY7 (manufactured by Mitsubishi Chemical Corporation) Dilacyldiamine A 1 1 1 1 1 1 1 2 1 Synthesis of reactive viscous compound obtained in Synthesis Example 1. Reaction Resin obtained in Example 2, the reaction viscous material obtained in Synthesis Example 3, other components 2Ε4ΜΖ (manufactured by Shikoku Chemical Co., Ltd.) 2-ethyl·4·methylimidazole 1 component (A), component B, and component (C) The total content of the component (A) in 100% by weight (1% by weight) 58 58 58 37 42 79 84 0 69 69 (1) Viscosity DDDDDDDDDD (2) Outlet Δ Δ Δ △ △ △ Δ Δ Λ 〇〇 (3 ) Wet diffusion 〇0 〇0 〇〇〇0 〇〇(4}Standing stability (length of pot life) 0 〇0 0 〇〇〇〇〇X (5) Unevenity of hardened film 〇0 〇〇〇〇00 X 〇〇〇〇(6) Heat resistance 〇〇〇〇00 〇〇〇〇〇〇〇〇〇XX (7)Insulation reliability △ △ △ Δ Δ Δ △ △ △ Δ 40- 159117.doc 201224080 [Table 2] Example 8 Implementation 9 Example 10 Example 11 Example 12 Appreciation Example 13 Example 芘 Example 15 Reward Example 16 Example 调 Adjustment 61 Component t Component (A) EBECRYL 3700 (manufactured by Da! cel-Cytec) Ring-rolled acrylate of double-type A epoxy compound 25 25 25 20 20 25 25 25 25 25 FA-S丨1 AS (manufactured by B Lihuacheng Co., Ltd.) Dicyclopentene acrylate 30 30 15 20 50 55 30 30 30 Benzyl acrylate 6S 30 component (B) 丨ER828 (manufactured by Mitsubishi Chemical Corporation) Double "A type epoxy compound 1S 15 15 15 10 9 15 15 15 丨ER806 (manufactured by Mitsubishi Chemical Corporation) Double type epoxy compound 15 component <c Triethylene dihydrodienoate § 10 10 10 20 20 S 3 10 10 10 Isobornyl acrylate 15 15 15 25 20 5 3 15 15 15 Tricyclodecane dimethicone Dimethacrylate Other ingredients ST-3000 (manufactured by Nippon Iron Chemical Co., Ltd.) Deuterated bisphenol octadecene epoxy compound component (D) Irgacure 907 (manufactured by BASF Japan) Irgacure 369 (manufactured by BASF Japan) 4 4 4 4 4 4 4 Irgacure 379EG (BASF Japan Manufacturing) 4 rPOfBASF Japan Manufactured by the company 4 Irgacure 184 (made by BASF Japan) 4 Ingredients (E) DICY7 (manufactured by Mitsubishi Chemical Corporation) Dicyanodiamine 1 1 1 1 1 1 1 1 1 1 Reaction pull pin obtained in Synthesis Example 1. The reaction viscous material obtained in Synthesis Example 2 was synthesized in the same manner as the other components of the reaction viscous material ΣΕ4ΜΖ (Siguohuacheng Co., Ltd.) 2-ethylmethyl oxime component (A), component B and component (C) (Total content of component (A) in 100% by weight C*t%) S8 58 58 37 42 79 84 58 58 58 [1] Particle size DDDDDDDDDD [2] Sprayability Δ Δ △ △ Δ Δ Δ Δ Δ △ ( 3) Warm diffusion 0 〇〇0 0 〇0 0 〇0 〔4) «Storage stability (length of the bypass period) 0 〇〇〇〇〇〇〇0 〇[5) Uneven 攻〇〇〇〇〇〇〇〇〇〇〇〇00 〇〇[6)Hot 〇〇〇〇〇〇00 〇〇〇〇〇〇〇00 〇〇(7)% edge reliability〇〇〇〇〇〇 〇〇Δ Δ S. -41 - 159117.doc 201224080 [Table 3] Example 18 Example 19 Example 20 Example 21 Example 22 Example 23 Example 24 Example 25 Example 26 Formulation component amount Component (A) EBECRYL company) Two-wheel type A epoxy compound oxime acrylate 25 25 25 20 20 25 25 25 25 FA-5丨1 AS (manufactured by 曰立化成公司) Dicyclopentenyl acrylate 30 30 15 20 50 55 30 30 Benzene acrylate 30 Ingredients (B) jER828 (manufactured by Mitsubishi Chemical Corporation) Double 6 & A ring Oxygen compound 15 15 15 15 10 9 15 15 丨ER806 (manufactured by Mitsubishi Chemical Corporation) Bisphenol F-type epoxy compound 15 Ingredient (C) Triethylene glycol diacrylate 10 10 10 20 20 5 3 10 10 Isobornyl acrylate 15 15 15 25 20 5 3 15 15 Tricyclodecane dimethyl alcohol diacrylate Other components ST-3000 (manufactured by Nippon Steel Chemical Co., Ltd.) Argon bisphenol A type epoxy compound component (D) Irgacure 907 (BASF Japan Manufactured by the company 4 4 4 4 4 4 4 4 4 Irgacure 369 (manufactured by BASF Japan) Irgacure 379EG (manufactured by BASF Japan) TPO (manufactured by BASF Japan) Irgacure 184 (manufactured by BASF Japan) (E) DICY7 (manufactured by Mitsubishi Chemical Corporation) Reaction viscous material obtained by synthesizing dimercaptodiamine synthesis 1 1 1 1 1 1 1 Reaction viscous material obtained in Synthesis Example 2 Synthetic Example 3 Reaction Viscous 1 Other components 2E4MZ (manufactured by Shikoku Chemical Co., Ltd.) Content of the component (A) in 100% by weight of the total of 2-ethyl glacial methyl imidazole component (A), component B and component (C) (% by weight) ) 58 58 58 37 42 79 84 58 58 ί (1) DDDDDDDDD [2) Ejection 〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇 (3) Wet diffusion 〇 0 〇〇〇〇 〇0 〇(4) Storage stability (length of pot life) 〇〇〇〇〇〇〇〇〇(5)^Inhomogeneity 骐X 〇〇( 6) Heat resistance 〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇X [7) Insulation reliability 〇〇〇〇〇〇〇〇〇 42- 159117.doc 201224080 [Table 4] Example 27 Example 28 Example 29 Example 30 EBECRYL 3700 (Daicel-Cytec Corporation Manufactured epoxy acrylate of bisphenol A type epoxy compound 25 35 30 25 Ingredients (A) FA-511 AS (manufactured by 曰立化成公司) Dicyclopentenyl acrylate 30 20 25 30 benzyl acrylate component (B) jER828 (manufactured by Mitsubishi Chemical Corporation) Double-anti-type epoxy compound 15 15 15 15 jER806 (manufactured by Mitsubishi Chemical Corporation) Bisphenol F-type epoxy compound triethylene glycol diacrylate 10 10 10 Ingredient (C) Isobornyl acrylate 15 15 15 15 Formulation of tricyclodecanedioxane dienoate 10 Other components ST-3000 (manufactured by Nippon Steel Chemical Co., Ltd.) Hydrogenated bisphenol A type epoxy compound Irgacure 907 (manufactured by BASF Japan) Irgacure 369 (manufactured by BASF Japan) 4 4 4 4 Ingredients (D) Irgacure 379EG (manufactured by BASF Japan) TPO (manufactured by BASF Japan) Irgacure 184 (manufactured by BASF Japan) DICY7 (manufactured by Mitsubishi Chemical Corporation) Amine component (E) Reaction dope obtained in Synthesis Example 1 1 1 1 Reaction of the reaction dope obtained in Synthesis Example 2 Synthesis Example 3 Other components of the viscous material 2E4MZ (manufactured by Shikoku Chemical Co., Ltd.) The content of the component (A) in 100% by weight of the total of 2-ethyl-4·methylimidazole component (A), component B and component (C) (% by weight) 58 58 58 65 (1) Viscosity DBCD (2) Ejection 〇〇 △ 〇〇〇 (3) Wet diffusion 〇〇〇〇〇〇 (4) Storage stability (length of pot life) 0 〇〇 0 ( 5) Unevenness of hardened film 〇〇〇〇〇〇 00 (6) Heat resistance 00 〇〇〇〇〇〇 (7) Insulation reliability 〇〇〇〇s -43- 159117.doc 201224080 Furthermore, use α ·Example of an amine-based acetophenone type photopolymerization initiator; implementation of a photo-polymerization initiator other than the photo-polymerization initiator of 15,18 to 30, and a photopolymerization initiator other than an α-aminoacetophenone type photopolymerization initiator In the hardenable compositions of Examples 16 and 17, the surface of the primary cured product after light irradiation and before the heat hardening was less adhered, and the thermosetting property at the time of heat curing was also excellent, and the evaluation result of the insulation reliability was also good. Further, Examples 1 to 7 using an α-aminoalkylphenone type photoradical polymerization initiator having no dimethylamino group, and photo-radical polymerization using α-aminoalkylphenone type In Examples 16 and 17 of the photoradical polymerization initiator other than the initiator, the evaluation results of the insulation reliability were all "Δ", but the α-aminobenzophenone type light having no diammonium group was used. Examples of the radical polymerization initiators of Examples 1 to 7 have higher values than those of the photoradical polymerization initiator other than the α-aminoalkylphenone type photoradical polymerization initiator. The value of the insulation resistance in 17. Further, in Examples 8, 18, and 27, the evaluation results of the insulation reliability (anti-migration property) were all "〇", but the value of the insulation resistance of Example 27 was higher than the value of the insulation resistance of Example 8. Further, it is higher than the value of the insulation resistance of Example 18. Further, in the examples, the following evaluations of moist heat resistance (heat resistance and moisture resistance) were carried out. (8) Moisture and heat resistance (heat resistance and moisture resistance) A glass epoxy resin substrate (100 mm x 100 mm) having a copper wire on its upper surface was prepared. The inkjet curable composition was ejected from the inkjet head of a piezoelectric inkjet printer equipped with an ultraviolet irradiation device onto the substrate, and applied to the entire surface of 159117.doc • 44 · 201224080. Further, in the discharge test of the curable composition having a viscosity of 500 mpa.s or less, the spray head temperature was set to 8 〇〇c, and the squeezing test of the sclerosing composition having a viscosity exceeding 5 〇〇 mPa.s was used. When the nozzle temperature is set to 95 〇C. The inkjet curable composition (having a thickness of 2 μm) coated on a substrate was irradiated with ultraviolet rays having a wavelength of 365 so that the irradiation energy was 1000 mJ/cm 2 , and then heated at 180 ° C for 1 hour. A hardened material (thickness 20 μηι) was obtained. The obtained laminate of the substrate and the cured product was allowed to stand under the conditions of j3〇〇c and a relative humidity of 85% RH for 24 hours. Thereafter, the adhesion of the cured product to the substrate was confirmed by a checker test (JIS 5400 6.15). The plaque was smeared on the hardened material at a spacing of 1 mm using a 1 〇〇 grid test knives, and then a scotch tape (JIS Z1522) was sufficiently attached to the cured portion having the scribed portion to be strongly peeled off at an angle of 45 degrees. One end of the tape confirms the peeling state. The result is 'in the case of the hardening composition of Example 3 containing a polyfunctional compound (C1-1) having a polycyclic skeleton and having two or more (meth)acryloyl groups, hardening when peeling off the tape The material was not peeled off. In the case of the hardening composition of Examples 1 to 29 which does not contain a polyfunctional compound (C1-1) having a polycyclic skeleton and having two or more (fluorenyl) acrylonitrile groups, the cured product is peeled off when the tape is peeled off. Part or all of it peeled off. In the case of the hardening composition of Examples 丨 to 29, the cured product before peeling off the tape was not peeled off. S. 159117.doc -45-

Claims (1)

201224080 VII. Patent application scope: 1. A curable composition for inkjet which is applied by an inkjet method and hardened by irradiation of light and heat, and contains: (meth)-containing a thin base compound, which has a (meth) propylene group and has an aromatic skeleton or an alicyclic skeleton having an unsaturated double bond in an alicyclic skeleton; a compound having a cyclic ether group, It has two or more cyclic ether groups and has an aromatic skeleton; a photoreactive compound other than the above (meth)acryloyl group-containing compound; a photopolymerization initiator; and a latent curing agent. 2. The curable composition for inkjet according to claim 1, wherein the viscosity at 25 C measured according to Jis 2283 is 1 〇〇 mpa.s or more and 12 〇〇 mpa s or less. 3. The curable composition for inkjet according to Item 1, wherein 100% by weight of the total of the (meth)acrylonitrile-containing compound, the cyclic ether-containing compound, and the photoreactive compound are 100% by weight. The content of the (meth)acrylonitrile group-containing compound is 1% by weight or more. 4. The curable composition for inkjet according to claim 1, wherein the latent hardener is a di- nitro-functional amine particle, or the dicyanodiamine has a dicyandiamide A reaction viscous compound obtained by reacting a functional group-containing compound of a functional group. 5. The curable composition for inkjet according to claim 1, wherein the latent hard 159117.doc t 201224080 is a phthalocyanamine having a functional group reactive with the dicyanodiamine A reactive viscous compound obtained by reacting a functional group-containing compound. 6. The curable composition for inkjet according to any one of claims 1 to 5, wherein the photopolymerization initiator is an α-aminoalkylphenone type photoradical polymerization initiator 0 as in claim 1 The curable composition for inkjet according to any one of 5, wherein the photopolymerization initiator is an α-aminoalkylphenone type photoradical polymerization initiator having a dimethylamino group. 8. The curable composition for inkjet according to any one of the items 1 to 5, wherein the photoreactive compound contains a polycyclic skeleton and has two or more (meth)acrylonitrile groups. Polyfunctional compound. 9. The curable composition for inkjet according to any one of claims 1 to 5, wherein the photoreactive compound contains a monofunctional compound having a polycyclic skeleton and having one (meth)acrylonitrile group. The curable composition for inkjet according to any one of claims 1 to 5, wherein the photoreactive compound contains a polyfunctional compound having a polycyclic skeleton and having two or more (fluorenyl) propylene-based groups, Both with a monofunctional compound having a polycyclic backbone and having one (meth) acrylonitrile group. 11. A method of producing an electronic component, comprising the steps of: applying a curable composition for inkjet according to any one of claims 1 to 10 by an inkjet method, and drawing the pattern into a pattern; The step of forming the cured layer of the inkjet curable composition in which the pattern is formed is irradiated with light and heat is applied to form a cured layer. 12. The method of manufacturing an electronic component according to claim 11, i /, a method of manufacturing a printed wiring board having an electronic component resistant to surname 159117.doc 201224080, and applying the above-described inkjet hardenability by an inkjet method The composition is drawn into a pattern, and the inkjet curable composition drawn in a pattern is irradiated with light and heat is applied to be cured to form an anti-surname pattern. S 159117.doc 201224080 IV. Designation of representative drawings: (1) The representative representative of the case is: (none) (2) The symbol of the symbol of the representative figure is simple: 5. If there is a chemical formula in this case, please reveal the characteristics that can best show the invention. Chemical formula: (none) 159117.doc