CN104974309A - Ultraviolet Curable Resin Composition - Google Patents

Ultraviolet Curable Resin Composition Download PDF

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Publication number
CN104974309A
CN104974309A CN201510162033.0A CN201510162033A CN104974309A CN 104974309 A CN104974309 A CN 104974309A CN 201510162033 A CN201510162033 A CN 201510162033A CN 104974309 A CN104974309 A CN 104974309A
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resin composition
curable resin
ultraviolet curable
composition according
coupling agent
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CN104974309B (en
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尹学重
李应信
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/26Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/28Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/44Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/46Polymerisation initiated by wave energy or particle radiation
    • C08F2/48Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/12Esters of monohydric alcohols or phenols
    • C08F220/16Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/26Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/28Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
    • C08F220/281Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing only one oxygen, e.g. furfuryl (meth)acrylate or 2-methoxyethyl (meth)acrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/26Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/28Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
    • C08F220/285Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/34Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
    • C08F220/343Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate in the form of urethane links
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10Esters
    • C08F222/1006Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/106Esters of polycondensation macromers
    • C08F222/1065Esters of polycondensation macromers of alcohol terminated (poly)urethanes, e.g. urethane(meth)acrylates

Abstract

The present invention relates to an ultraviolet hardening resin composition. More specifically, hardening time can be reduced compared to a thermally hardening technique, and adhesion is excellent, so that a fine pattern can be molded without being easily separated from glass even in high temperature and high humidity environmental conditions.

Description

Ultraviolet curable resin composition
Technical field
The present invention relates to a kind of ultraviolet curable resin composition, in more detail, relate to and a kind ofly there is outstanding sticking power and the outstanding ultraviolet curable resin composition of micro-pattern forming at glass surface.
Background technology
Ultraviolet curable resin composition is by polycarbonate (polycarbonate) urethane acrylate (Urethane Acrylate), for dilution monomer and the light trigger composition of adjusting viscosity, after this resin combination solidifies under ultraviolet light, for the metal being formed with micro-pattern, the deformability of the moulds such as plastic cement material is outstanding, only need the several seconds set time and then be very beneficial for forming micro-pattern, simultaneously to multiple plastic cement material (PC, PMMA, PET) there is outstanding tack, micro-pattern of the cured film having formed micro-pattern can be made to be formed on base material.
The micro-pattern so copied, its chemistry, physical properties are outstanding, can be applicable to surfacing, also be applicable to the mini-prism plate etc. of Electronic Paper.
The picture showing information to user in current general electronic machine is positioned at the inside/outside portion of electronic product.This picture should have the hardness standing external impact, because being employed herein multiple material, have also appeared the material utilizing toughened glass recently.
But when using this glass, because the bond strength of the organism materials such as itself and such as ultraviolet curable resin composition is not enough, and then initiation adds the problem that man-hour, applicator was separated from glass.Accordingly, for solving such as the problems referred to above, once by adding the coupling agent favourable to organic and inorganic material tack, or attempt to improve surface physical property and tack etc. according to the adjustment of ultraviolet light quantity and illumination, but micro-pattern forming or the tack under high temperature, high humidity environment condition and between glass not yet reach satisfied level.
Summary of the invention
(technical problem that will solve)
Main purpose of the present invention is, the cured article providing a kind of ultraviolet curable resin composition and utilize described ultraviolet curable resin composition and formed.Described ultraviolet curable resin composition is under high temperature, moisturizing envrionment conditions and have very strong sticking power between glass and have outstanding micro-pattern forming.
(means of dealing with problems)
For reaching described object, one embodiment of the invention provide a kind of ultraviolet curable resin composition comprising following composition: relative to the mixture of 100 weight of polyester origoester acrylates and urethane acrylate oligomer, comprise 10 ~ 80 parts by weight propylene acid esters monomers, 0.01 ~ 15 weight part light trigger and 0.1 ~ 35 weight part silane coupling agent.
Preferably, be in the feature of one embodiment of the invention, the ratio of the weight part of described polyester acrylate oligomers and urethane acrylate oligomer is 10 ~ 30:30 ~ 10.
Preferably, be in the feature of one embodiment of the invention, the number-average molecular weight of described polyester acrylate oligomers is 500 to 3,000g/mol, and the acid number (Acid Value) according to back titration is 150 ~ 250mgKOH/g.
Be in the feature of a preferred embodiment of the present invention, the number-average molecular weight of described urethane acrylate oligomer is 500 to 3,000g/mol.
The feature of a preferred embodiment of the present invention is, described light trigger mixes the long wavelength light initiator of more than a kind and the short-wavelength light initiator of more than a kind with the ratio of 0.1 ~ 1.5:1 ~ 5 weight part, wherein, described long wavelength light initiator has the absorbing wavelength of 360 ~ 400nm, and described short-wavelength light initiator has the absorbing wavelength of 200 ~ 350nm.
The feature of a preferred embodiment of the present invention is, described silane coupling agent selects more than one from following coupling agent, wherein coupling agent is 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane, 3-phenylamino propyl trimethoxy silicane, uride propyl-triethoxysilicane, vinylethoxysilane, vinyl methoxy silane, vinyl three (2-methoxy ethoxy) silane, γ-methacrylic acid group propyl trimethoxy silicane, γ-methacrylic acid group hydroxypropyl methyl dimethoxysilane, γ-glycidylpropyl Trimethoxy silane, γ-isocyanic ester propyl-triethoxysilicane, polymethoxy dimethyl siloxane, polyethoxye dimethyl siloxane and N-(N-benzil-β-aminoethyl)-3-aminopropyl trimethoxysilane hydrochloride.
Another embodiment of the present invention provides a kind of cured article formed by described ultraviolet curable resin composition.
(effect of invention)
Ultraviolet curable resin composition according to the present invention has following advantage: comparing thermofixation mode can shorten set time, and there is outstanding bounding force, be also not easy to realize the shaping of micro-pattern discretely with glass under high temperature, moisturizing envrionment conditions.
Embodiment
Except defining by other modes, the implication of all technical and scientific term used in this specification sheets is identical with the implication that the ripe expert of the technical field of the invention understands usually.In general, the nomenclature used in this specification sheets knows in the art and normally used method.
In the whole content of this specification sheets, except having record contrary especially, other integrants can also be comprised when certain part " comprises " a certain integrant, instead of get rid of other integrants.
The cured film that the present invention relates to ultraviolet curable resin composition and formed by described ultraviolet curable resin composition.Wherein, described ultraviolet curable resin composition comprises following material: 100 parts by weight of acrylic acid ester oligomers (polyester acrylate oligomers and urethane acrylate oligomer), 10 ~ 80 parts by weight propylene acid esters monomers, 0.01 ~ 15 weight part light trigger and 0.1 ~ 35 weight part silane coupling agent.
More particularly, the origoester acrylate of the present invention's mixing special component and certain content, acrylate monomer, light trigger and coupling agent, and then manufactured ultraviolet curable resin composition, and confirmed following situation, thus complete the present invention.This situation is: during by composition ultraviolet curing to glass surface, strong adhesion when micro-pattern forming and between glass, uncured ultraviolet composition in the middle of easy elimination, and under high temperature, moisturizing envrionment conditions, also there is very strong sticking power, coated surface is indeformable.
Below, the present invention is described in detail.
Ultraviolet curable resin composition according to the present invention, in order to improve attachment characteristic and workability, comprises polyester acrylate oligomers and urethane acrylate oligomer as oligopolymer.
Preferably, the number-average molecular weight of described polyester acrylate oligomers is 500 to 3000g/mol, acid number (Acid Value) according to back titration is 150 ~ 250mgKOH/g, when employing meets the polyester acrylate oligomers of above-mentioned numerical range, etch the surface of (etching) glass surface or other materials when applying thus improve sticking power.
At this moment, above addressing following number-average molecular weight is determine number-average molecular weight (Mn) through polystyrene conversion by gel permeation chromatograph (GPC) (Waters:Waters707).Test portion is dissolved into tetrahydrofuran (THF) and reaches 4000ppm to make concentration, and then inject to GPC .The moving phase of GPC uses tetrahydrofuran (THF), and flows into the flow velocity that 1.0mL/ divides, and analyzes at 35 DEG C.Chromatographic column is, be connected in series Waters HR-05,1,2,4E these 4.Detector uses RI and PAD Detecter, and measures at 35 DEG C.
Further, above address the following acid number according to back titration to measure with the measuring method and condition that meet ASTM D974.
For example, described polyester acrylate oligomers can use Mei Yuan business Co., Ltd. Miramer SC6610, SC6630 and SC6631,706 and 707 of AGI society, UVT-600Si and SatomerCN816 etc. of PN-5600, HS CHEMTRON society of the EBECRYL 770 of ENTIS society and EBECRYL UP039, polynetron society, and these polyester acrylate oligomers can be used alone or as a mixture.
The number-average molecular weight of described urethane acrylate oligomer is 500 to 3000g/mol, meets the urethane acrylate oligomer of above-mentioned molecular weight ranges if use, then easily adjusting viscosity and can improve workability and and glass between sticking power.
For example, Miramer PU610, PU620, PU240, SC2404 and MU3702HS of Mei Yuan business Co., Ltd. that market is sold, UA-8560TL and UA-800 of chemtron society, the 230A2 of AGI society can be used according to urethane acrylate oligomer of the present invention, UP118, EB1290, EB8307, EB8702 and EB9390 of 670A2 and 675, ENTIS society, the CN 9006 of Satomer society, CN 9025 and CN 968 etc., and these urethane acrylate oligomer can be used alone or as a mixture.
Further, in described origoester acrylate, functional group refers to the functional group that can react, and such as 6 functional polyurethanes origoester acrylates can comprise 6 acrylate group (-O-CO-CH=CH 2) in the C=C that comprises respectively combine.
The surface density of cured film can be improved according to polyester acrylate oligomers of the present invention and urethane acrylate oligomer, consider that preferred acrylate functional group is 1 to 6 in high temperature, high humidity environment conditioned disjunction scratch resistance.
And, the ratio of the weight part of described polyester acrylate oligomers and urethane acrylate oligomer is 10 ~ 30:30 ~ 10, when described polyester acrylate oligomers is higher than described ratio, the tack between glass can be increased, but solvent resistance and hydrolytic resistance can be reduced; If lower than described ratio, then can improve surface density or the surface hardness of cured film, but tack and pattern formation go wrong because of the increase of hardness.Further, if polyester acrylate is higher than aforesaid ratio, then can increase the tack between glass, but tack reduces under high temperature, moisturizing envrionment conditions; If lower than described ratio, then can reduce the tack between glass.
In the present invention, acrylate monomer has and regulates the viscosity of composition and the characteristic of oligopolymer, can use acrylate-functional base be 1 to 6 acrylate monomer.As an example, to use: 1 functional acrylate monomers of different camphyl acrylate, acryloyl morpholine, tetrahydrofurfuryl acrylate, hydroxy ethyl methacrylate, hydroxypropyl acrylate, different camphyl acrylate etc.; 2 functional acrylate monomers of 1,6 hexanediol diacrylate etc.; Triethyl propane 3 triacrylates, Viscoat 295, trimethylolpropane trimethacrylate, tetramethylol methane tetraacrylate, glyceryl third is oxidized 3 functional acrylate monomers of triacrylate etc.; 6 functional acrylate monomers of dipentaerythritol acrylate etc., but be not limited thereto.
Relative to the mixture of 100 weight of polyester origoester acrylates and urethane acrylate oligomer, if use the described acrylate monomer less than 10 weight parts, then can strengthen viscosity, but can tack be reduced; If more than 80 parts by weight propylene acid esters monomers, then can reduce ultra-violet solidified and reduce productivity.Therefore, relative to 100 parts by weight of acrylic acid ester oligomers (polyester acrylate oligomers and urethane acrylate oligomer), 10 to 80 parts by weight propylene acid esters monomers can be used, preferably use 30 to 60 parts by weight propylene acid esters monomers.
Further, in the present invention, light trigger is absorb light produce free radical activity kind according to photochemical reaction under the irradiation of such as ultraviolet light, thus causes the compound of photopolymerization reaction.The formative of tack between glass and micro-pattern is considered in the present invention, the short-wavelength light initiator of more than a kind of the long wavelength light initiator with more than a kind of the absorbing wavelength of 360 ~ 400nm and the absorbing wavelength with 200 ~ 350nm is mixed with the ratio of 0.1 ~ 1.5:1 ~ 5 weight part, consider pattern forming aspect, be preferably the ratio of 0.1 ~ 1:1 ~ 5 weight part.
If described long wavelength light initiator and short-wavelength light initiator exceed described content range, then reduce ultra-violet solidified because of the obstruction of light trigger self, or spreadability is produced because of long wavelength light initiator on pattern forming, can cause forming micro-pattern aspect and go wrong.
At this moment, the long wavelength light initiator with the absorbing wavelength of described 360 ~ 400nm can be the PI920 etc. of TPO, IRGACURE 819 of BASF society, IHT society, the wavelength light initiator with the absorbing wavelength of 200 ~ 350nm can be IRGACURE184, DAROCURE 1173, the IRGACURE 754 etc. of CP-4, BASF society of MIWON SC society, but be not limited thereto, as long as possess the light trigger of described absorbing wavelength scope.
Relative to the mixture of 100 weight of polyester origoester acrylates and urethane acrylate oligomer, if use this light trigger less than 0.01 weight part, then can increase set time and reduce productivity or produce fold etc. on cured film surface; If use the light trigger more than 15 weight parts, then can reduce the storage stability of composition, not easily adjust the thickness of pattern.Therefore, relative to the mixture of 100 weight of polyester origoester acrylates and urethane acrylate oligomer, 0.01 to 15 weight part light trigger can be used, preferably use 0.1 to 9 weight part light trigger.
In the present invention, for example, silane coupling agent can be amino-complex (amino compound) (3-aminopropyl triethoxysilane (APTES:3-Aminopropyl Triethoxysilane), 3-aminopropyl trimethoxysilane (3-Aminopropyltrimethoxysilane), 3-phenylamino propyl trimethoxy silicane (3-phenyl aminopropyl trimethoxysilane) etc.), acyl urea compound (uride propyl-triethoxysilicane (ureide propyl Triethoxysilane) etc.), vinyl compound [vinylethoxysilane (Vinyl ethoxy silane), vinyl methoxy silane (Vinyl methoxy silane), vinyl three (2-methoxy ethoxy) silane (VT2MES:Vinyltris (2-methoxy ethoxy) silane) etc.], methyl acrylic ester (γ-methacrylic acid group propyl trimethoxy silicane (γ-methacrylroxy propyl trimethoxysilane), γ-methacrylic acid group hydroxypropyl methyl dimethoxysilane (γ-methacrylroxy propyl methyl diethoxy silane) etc.), epoxy compounds (γ-glycidylpropyl Trimethoxy silane etc.), isocyanate compound (γ-isocyanic ester propyl-triethoxysilicane etc.), superpolymer shape (polymethoxy dimethyl siloxane, polyethoxye dimethyl siloxane etc.), the silane coupling agents such as positively charged ion shape [N-(N-benzil-β-aminoethyl)-3-aminopropyl trimethoxysilane hydrochloride etc.], but be not limited thereto.
Relative to 100 parts by weight of acrylic acid ester oligomers (polyester acrylate oligomers and urethane acrylate oligomer), if use the described silane coupling agent less than 0.1 weight part, then use the poor effect of silane coupling agent; If silane coupling agent is more than 35 weight parts, then storage stability there will be problem.Therefore, relative to the origoester acrylate that 100 weight parts are made up of polyester acrylate oligomers and urethane acrylate oligomer, 0.1 ~ 35 weight part silane coupling agent can be used, preferably use 2 to 20 weight part silane coupling agents.
The viscosity that aforesaid ultraviolet curable resin composition according to the present invention is measured by viscosity measurement (BROOLFIELD DV-II (RV type) spindle No.5) at 25 DEG C can at 250 ~ 700cps, preferably at 250 ~ 450cps.When described viscosity belongs to aforesaid numerical range, the mobility of die deformation and ultraviolet-ray curing composition is outstanding, and then the bubble produced is few, is easy to the shaping of pattern.
Further, according to ultraviolet curable resin composition of the present invention, solvent (solvent) for dissolving other compositions can also be comprised in order to improve coating.Viscosity can be adjusted according to the usage quantity of described solvent.For example, described solvent can use ketone (methylethylketone, ethyl butyl ketone, mibk, pimelinketone etc.), and the one wherein that can be used alone, also can use two or more simultaneously.
In addition, in the combination according to ultraviolet curable resin composition of the present invention, in order to give additional physical property while not hindering basic physical properties, the known additive being used in ultraviolet curable resin composition can be comprised.
Blending means for ultraviolet curable resin composition according to the present invention is not particularly limited, according to aforesaid neccessary composition and directing light line or the light source of should be noted, can mix at 0 ~ 70 DEG C, consider the gelation preventing composition, preferably mix at 30 ~ 50 DEG C.Device as mixing can be divider, homogenizer, sanding device, ball mill, colloidal mill etc., preferably uses divider and homogenizer.
In the present invention, aforementioned ultraviolet curable resin composition is spread upon a side of glass or two sides at least partially, implement micro shaping and the 1st solidification, then uncured thing is removed, carry out 2 solidifications afterwards again, thus the cured film that there is outstanding sticking power under high temperature, high humidity environment and micro-pattern forming can be realized can be produced.At this moment, can be the general uncured thing removing method utilizing the common pattern formation method of mould, shade etc. and utilize solvent, pharmaceutical chemicals etc. to the removing method of micro-pattern forming and uncured thing, in addition not limit.
The coating process of described ultraviolet curable resin composition can be coated with engineering method (utilizing metering bar coater, silk rod, air knife etc.) and print process (intaglio printing, reverse gravure, offset printing, flexographic printing, silk screen printing etc.) etc., but is not limited thereto.
When solidifying ultraviolet curable resin composition of the present invention, irradiation ultraviolet radiation is just effective, in order to prevent the generation of spreadability and uncured thing when forming micro-pattern and improve the surface density of cured film, preferred ultraviolet irradiation amount is, 1 ~ 60mJ/cm during the 1st solidification 2, the 2nd time solidification time 600 ~ 1,000mJ/cm 2.
The thickness of described cured film can adjust according to purposes, is preferably 1 ~ 100 μm.
As follows according to the advantage of ultraviolet curable resin composition of the present invention: comparing thermofixation mode can shorten set time, has outstanding bounding force, thus be also not easy to realize the shaping of micro-pattern discretely with glass under high temperature, high humidity environment condition.
Below, describe embodiments of the invention in detail, but the present invention is not limited to following examples.
< embodiment 1 and 2 and comparative example 1 and 2>
According to combination and content mixed polyester origoester acrylate, urethane acrylate oligomer, acrylate monomer, light trigger and the silane coupling agent of table 1, thus produce the ultraviolet curable resin composition that viscosity is 350cps.
[table 1]
Mensuration (the 100/100 grid number) > of < initial bond power
For the ultraviolet curable resin composition manufactured in described embodiment 1 and 2 and comparative example 1 and 2, use divider on glass, to be coated with 3 seconds with 0.5rpm, be then light source with LED and with 15mJ/cm 2irradiate and within 4 seconds, carry out the 1st solidification, carry out the spin phenomenon of 100 seconds afterwards at 25 DEG C, then use alcohol flushing.After flushing, utilize extra-high-pressure mercury vapour lamp and with 800mJ/cm 2carry out the 2nd solidification, obtain the cured film forming pattern.At this moment, the thickness of the cured film of formation is 10 μm.
In the cured film of described acquisition, the cutter of check (Cross cut cutter) is utilized to mark laterally 100 with the interval of 2mm, longitudinally the check of 100, in the cured film being formed with described check, rubs Continuous pressing device for stereo-pattern (3M610) not have alveolate mode.The adhesive tape pasted is pulled with vertical direction brute force, and the part come off in check is measured.If be attached with 100 in 100 grid, then represent that there is good sticking power.At this moment, be expressed as when being attached with 100 (100/100) in 100 grid ' 5B', be expressed as when being attached with 98 (98/100) in 100 grid ' 4B', be expressed as when being attached with 90 (90/100) in 100 grid ' 3B', be expressed as when being attached with 85 (85/100) in 100 grid ' 2B', be expressed as when being attached with 80 (80/100) in 100 grid ' 1B'.
The resistance to alcohol solvent of < measures >
Use divider, with 0.5rpm, the ultraviolet curable resin composition manufactured in described embodiment 1 and 2 and comparative example 1 and 2 is coated with 3 seconds on glass, then cover the mould of plastics film having formed circular pattern (diameter 6 μm), roll once with rectilinear direction with brayer.Be light source with LED and with 15mJ/cm 2irradiate and within 4 seconds, carry out the 1st solidification, then carry out the spin development of 100 seconds at 25 DEG C, then produce cured film with alcohol flushing.At this moment, the thickness of the cured film of formation is 10 μm.
The described cured film manufactured is flooded 0 second, 60 seconds, 90 seconds and 120 seconds in ethanol, then confirms whether cured coated thing is separated.At this moment, if applicator was not separated more than 120 seconds yet, be expressed as ' A', be expressed as when 100 ~ 120 seconds time, applicator is separated ' B', be expressed as when 100 ~ 119 time, applicator is separated ' C', be expressed as when being separated less than applicator when 100 seconds ' D'.
[table 2]
Embodiment 1 Embodiment 2 Comparative example 1 Comparative example 2
Initial bond power 5B 5B 2B 5B
Resistance to alcohol solvent A A A C
As shown in table 2, compare comparative example 1 and 2, embodiment 1 and 2 has outstanding initial bond power and resistance to alcohol solvent.
< embodiment 3 and 4 and comparative example 3 and 4>
According to combination and content mixed polyester origoester acrylate, urethane acrylate oligomer, acrylate monomer, light trigger and the silane coupling agent of table 3, thus manufacture ultraviolet curable resin composition.
[table 3]
The mensuration > of < pattern forming
Use divider, with 0.5rpm, the ultraviolet curable resin composition manufactured in described embodiment 3 and 4 and comparative example 3 and 4 is coated with 3 seconds on glass, then cover the mould of plastics film having formed circular pattern (diameter 6 μm), roll once to rectilinear direction with brayer.Be light source with LED and with 15mJ/cm 2irradiate and within 4 seconds, carry out the 1st solidification, then carry out the spin phenomenon of 100 seconds at 25 DEG C, use alcohol flushing afterwards, thus produce cured film.At this moment, the thickness of the cured film of formation is 10 μm.
The cured film of described manufacture to be placed in the baker of 100 DEG C 1 minute, then to compare the pattern dimension of the curing composition that the pattern dimension of mould and glass apply.At this moment, the pattern dimension of mould is circular, diameter is respectively 4 μm, 6 μm, 8 μm and 10 μm, the pattern dimension of mould is expressed as time identical with the pattern dimension of cured film ' A', be expressed as during the size disparity that Shortcomings is 2 μm ' B', be expressed as when there is the size disparity of 2 μm ~ 3 μm ' C', be expressed as when there is the size disparity of more than 4 μm ' D'.
[table 4]
As shown in table 4, compare comparative example 3 and 4, embodiment 3 and 4 has outstanding pattern forming.
< embodiment 5 and 6 and comparative example 5 and 6>
According to combination and content mixed polyester origoester acrylate, urethane acrylate oligomer, acrylate monomer, light trigger and the silane coupling agent of table 5, thus manufacture ultraviolet curable resin composition.
[table 5]
Sticking power (100/100 grid (cell) number) > under < high temperature, moisturizing envrionment conditions
Use divider, with 0.5rpm, the ultraviolet curable resin composition manufactured in described embodiment 5 and 6 and comparative example 5 and 6 is coated with 3 seconds on glass, be then light source with LED and with 15mJ/cm 2irradiate and within 4 seconds, carry out the 1st solidification, then carry out the spin phenomenon of 100 seconds at 25 DEG C, use alcohol flushing afterwards, thus produce cured film.At this moment, the thickness of the cured film of formation is 10 μm.
In the cured film of described acquisition, the cutter of check (Cross cut cutter) is utilized to mark laterally 100 with the interval of 2mm, longitudinally 100 checks, and temperature be 85 DEG C, relative humidity be 85% high temperature, moisturizing environment transfer and put 72 hours, then in the cured film forming described check, do not produce bubble ground Continuous pressing device for stereo-pattern (3M610).Pull vertically powerful for the adhesive tape pasted, and the part come off in check is measured.If be attached with 100 in 100 grid, then represent that there is good sticking power.At this moment, be expressed as when being attached with 100 (100/100) in 100 grid ' 5B', be expressed as when being attached with 98 (98/100) in 100 grid ' 4B', be expressed as when adhering to 90 (90/100) in 100 grid ' 3B', be expressed as when being attached with 85 (85/100) in 100 grid ' 2B', be expressed as when being attached with 80 (80/100) in 100 grid ' 1B'.
[table 6]
As shown in table 6, compare comparative example 5 and 6, embodiment 5 and 6 also has outstanding sticking power under high temperature, moisturizing environment, especially comparative example 6 cured film because of silane coupling agent and moisture reaction and there occurs gelation, its sticking power cannot be measured.
Can easily to the simple distortion of the invention process or change the people in the technical field of the invention with general knowledge, but this distortion or change also is included in technical scope of the present invention.

Claims (7)

1. a ultraviolet curable resin composition, is characterized in that,
Comprise 100 parts by weight of acrylic acid ester oligomers, 10 ~ 80 parts by weight propylene acid esters monomers, 0.01 ~ 15 weight part light trigger and 0.1 ~ 35 weight part silane coupling agent,
Wherein, described origoester acrylate comprises polyester acrylate oligomers and urethane acrylate oligomer.
2. ultraviolet curable resin composition according to claim 1, is characterized in that,
The ratio of the weight part of described polyester acrylate oligomers and urethane acrylate oligomer is 10 ~ 30:30 ~ 10.
3. ultraviolet curable resin composition according to claim 1, is characterized in that,
The number-average molecular weight of described polyester acrylate oligomers is 500 to 3,000g/mol, and acid number is 150 ~ 250mgKOH/g.
4. ultraviolet curable resin composition according to claim 1, is characterized in that,
The number-average molecular weight of described urethane acrylate oligomer is 500 to 3,000g/mol.
5. ultraviolet curable resin composition according to claim 1, is characterized in that,
Described light trigger mixes the long wavelength light initiator of more than a kind and the short-wavelength light initiator of more than a kind with the ratio of 0.1 ~ 1.5:1 ~ 5 weight part,
Wherein, described long wavelength light initiator has the absorbing wavelength of 360 ~ 400nm, and described short-wavelength light initiator has the absorbing wavelength of 200 ~ 350nm.
6. ultraviolet curable resin composition according to claim 1, is characterized in that,
Described silane coupling agent selects more than one from following coupling agent,
Coupling agent is, 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane, 3-phenylamino propyl trimethoxy silicane, uride propyl-triethoxysilicane, vinylethoxysilane, vinyl methoxy silane, vinyl three (2-methoxy ethoxy) silane, γ-methacrylic acid group propyl trimethoxy silicane, γ-methacrylic acid group hydroxypropyl methyl dimethoxysilane, γ-glycidylpropyl Trimethoxy silane, γ-isocyanic ester propyl-triethoxysilicane, polymethoxy dimethyl siloxane, polyethoxye dimethyl siloxane and N-(N-benzil-β-aminoethyl)-3-aminopropyl trimethoxysilane hydrochloride.
7. a cured article, the cured article formed by the ultraviolet curable resin composition according to any one in claim 1 to 6.
CN201510162033.0A 2014-04-07 2015-04-07 Ultraviolet curable resin composition Expired - Fee Related CN104974309B (en)

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