CN102964969B - Ultraviolet curing light oil and preparation method and curing method thereof as well as touch screen - Google Patents
Ultraviolet curing light oil and preparation method and curing method thereof as well as touch screen Download PDFInfo
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- CN102964969B CN102964969B CN201210458132.XA CN201210458132A CN102964969B CN 102964969 B CN102964969 B CN 102964969B CN 201210458132 A CN201210458132 A CN 201210458132A CN 102964969 B CN102964969 B CN 102964969B
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Abstract
The invention provides ultraviolet curing light oil and a preparation method and a curing method of the ultraviolet curing light oil as well as a touch screen, belongs to the technical field of the ultraviolet curing light oil, and solves the problems of a protection coating formed by the existing ultraviolet curing light oil that adhesive force, hand perspiration resistance and high-temperature resistance are not good. The ultraviolet curing light oil comprises the following components: modified epoxy acrylic resin, polyurethane epoxy acrylic resin, an acrylic ester monomer, a filler, a light initiator and an auxiliary agent, wherein the modified epoxy acrylic resin is any one or more of silane modified epoxy acrylic resin, soybean oil modified epoxy acrylic resin, modified bisphenol A epoxy acrylic resin, amino modified bisphenol A epoxy acrylic resin, 6210G and 623A-80. The preparation method of the ultraviolet curing light oil comprises the following step of mixing all the raw materials. The ultraviolet curing light oil can be used for the protection coating of touch screens of a cell phone, a tablet personal computer, an e-book reader, an automatic teller machine and the like.
Description
Technical field
The invention belongs to gloss oil technical field, be specifically related to a kind of ultraviolet curing varnish and preparation method thereof, gloss oil coating curing methods, and in the application of touch screen protective coating.
Background technology
Along with the development of electronic technology, touch-screen obtains and applies more and more widely on the electronicss such as mobile phone, panel computer, electric paper book, automatic teller machine (ATM).Different from the input tool such as traditional mouse, keyboard, touch-screen is inputted with the direct information that realizes that contacts of screen by finger or instrument.Therefore, the work-ing life how extending touch-screen is paid close attention to widely.Modal method forms supercoat in touch screen surface, stops finger or instrument to contact with the direct of screen surface; Usually, supercoat is formed by ultraviolet curing varnish (UV gloss oil).
Contriver finds that in prior art, at least there are the following problems: the sticking power of the supercoat formed by existing ultraviolet curing varnish, resistance to hand perspiration, the performance such as high temperature resistant are not good, are difficult to the user demand meeting modern touch-screen.
Summary of the invention
Technical problem to be solved by this invention comprises; the problem that the sticking power of the supercoat formed for existing ultraviolet curing varnish, resistance to hand perspiration, the performance such as high temperature resistant are not good, provides a kind of ultraviolet curing varnish forming the good supercoat of properties.
The technical scheme that solution the technology of the present invention problem adopts is a kind of ultraviolet curing varnish, and it comprises following component: modified epoxy acrylate resin, polyurethane acrylic resin, acrylate monomer, filler, light trigger, auxiliary agent; Wherein, described modified epoxy acrylate resin be in silane-modified epoxy acrylic resin, soybean oil modified epoxy acrylic resin, modified bisphenol A epoxy acrylic resin, amino modified bisphenol-A epoxy acrylic resin, 6210G, 623A-80 any one or multiple.
Wherein, " modified epoxy acrylate resin " refers to and carries out modification to epoxy acrylic resin and the resin obtained, it can adopt multiple different commercially available prod, as EBECRYL 860 (soybean oil modified epoxy acrylic resin), EBECRYL 954 (modified bisphenol A epoxy acrylic resin), the EBECRYL 3420 (modified bisphenol A epoxy acrylic resin) of Qing Te company, EBECRYL 3703 (amino modified bisphenol-A epoxy acrylic resin) etc., and 6210G, 623A-80 etc. of Changxing company.
" polyurethane acrylic resin " preferably has certain toughness, and is preferably the resin containing low aromatic hydrocarbon group or aliphatic hydrocarbon group.
" auxiliary agent " is the additive that can improve the various performance of ultraviolet curing varnish; It can comprise flow agent, dispersion agent, defoamer, surface modifier etc.; Each concrete additive all can adopt multiple different commercially available prod, and as flow agent can be BYK356, BYK371 etc., dispersion agent can be BYK168, BYK161, BYK160 etc., and defoamer can be BYK051, BYK052 etc., and surface modifier can be BYK333 etc.; Certainly, also can comprise the additive of other types in " auxiliary agent ", and each concrete additive also can adopt other commercially available prod.
Obviously, also can containing the well-known components in other ultraviolet curing varnish in ultraviolet curing varnish of the present invention, such as pigment, brightening agent etc.
Owing to employing the epoxy acrylic resin through modification in ultraviolet curing varnish of the present invention; and with other component cooperatively interacts; thus its supercoat formed all has good performance in each side such as hardness, sticking power, water boiling resistance, high temperature resistant, resistance to hand perspiration, anti-fingerprint, cold-hot impacts; especially more excellent than existing ultraviolet curing varnish in sticking power, resistance to hand perspiration, the performance such as high temperature resistant, the user demand of modern touch-screen can be met.
Preferably, in described ultraviolet curing varnish, the parts by weight of each component are: modified epoxy acrylate resin: 10 ~ 50 parts; Polyurethane acrylic resin: 10 ~ 30 parts; Acrylate monomer: 5 ~ 30 parts; Filler: 10 ~ 40 parts; Light trigger: 1 ~ 7 part; Auxiliary agent: 5 ~ 10 parts.
Preferred further, in described ultraviolet curing varnish, the parts by weight of each component are: modified epoxy acrylate resin: 15 ~ 40 parts; Polyurethane acrylic resin: 15 ~ 20 parts; Acrylate monomer: 15 ~ 25 parts; Filler: 15 ~ 30 parts; Light trigger: 3 ~ 5 parts; Auxiliary agent: 5 ~ 10 parts.
Preferably, the functionality of described modified epoxy acrylate resin is between 2 ~ 6; The functionality of described polyurethane acrylic resin is between 2 ~ 4.
Preferably, described acrylate monomer comprise in methyl acrylate (MA), methyl methacrylate (MMA), Viscoat 295 (TMPTA), isobornyl acrylate (IOBA), propylene glycol diacrylate (DPGDA), double pentaerythritol methacrylate (DPHA), 1,6 hexanediol diacrylate (HDDA) any one or multiple.
Preferably, described filler comprise in barium sulfate, talcum powder, mute powder, organobentonite, aerosil, coarse whiting, fine particle calcium carbonate any one or multiple; Described light trigger comprises 2; 4; 6-trimethylbenzoy-dipheny phosphorus oxide (TPO), 2; in 4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester (TPO-L), 2-hydroxy-2-methyl-1-phenyl-1-acetone (1137), 1-hydroxy-cyclohexyl-phenyl ketone (184), benzoin dimethylether (BKD) any one or multiple.
Preferably, described auxiliary agent comprise in flow agent, dispersion agent, defoamer, surface modifier any one or multiple
Preferred further, the parts by weight of each component of described auxiliary agent are: flow agent: 2 ~ 5 parts; Dispersion agent: 1.5 ~ 3 parts; Defoamer: 0.5 ~ 2 part; Surface modifier: 0 ~ 1 part.
Technical problem to be solved by this invention also comprises; the problem that the sticking power of the supercoat formed for existing ultraviolet curing varnish, resistance to hand perspiration, the performance such as high temperature resistant are not good, provides a kind of preparation method forming the ultraviolet curing varnish of the good supercoat of properties.
The technical scheme that solution the technology of the present invention problem adopts is a kind of method preparing above-mentioned ultraviolet curing varnish, and it comprises:
By light trigger and acrylate monomer mixed dissolution;
Add modified epoxy acrylate resin, polyurethane acrylic resin, auxiliary agent, and dispersion stirs evenly;
Add filler, leave standstill to filler complete wetting after being uniformly dispersed;
The fineness being ground to material is less than 10 μm, obtains ultraviolet curing varnish.
Preparation method due to ultraviolet curing varnish of the present invention can obtain the ultraviolet curing varnish of mentioned component, therefore it can form the good supercoat of properties.
Certainly, as long as above-mentioned each raw material can be mixed, can obtain ultraviolet curing varnish of the present invention, therefore above-mentioned ultraviolet curing varnish preparation method just prepares one of preferred method of ultraviolet curing varnish of the present invention.
Technical problem to be solved by this invention also comprises; the problem that the sticking power of the supercoat formed for existing ultraviolet curing varnish, resistance to hand perspiration, the performance such as high temperature resistant are not good, provides a kind of curing forming the ultraviolet curing varnish of the good supercoat of properties.
The technical scheme that solution the technology of the present invention problem adopts is a kind of curing of above-mentioned ultraviolet curing varnish, comprise and described ultraviolet curing varnish is coated in substrate, by UV-light, irradiation is carried out to it afterwards, and the parameter of irradiation is: ultraviolet wavelength: 200 ~ 400nm; Irradiation energy: 0.4 ~ 1.8J/cm
2.
Use above-mentioned ultraviolet curing varnish in curing due to ultraviolet curing varnish of the present invention, and adopt specific irradiation parameters, therefore it can form the good supercoat of properties.
Preferably, described irradiation energy is 0.5 ~ 1.2J/cm
2.
Preferred further, described irradiation energy is 0.6 ~ 0.8J/cm
2.
Preferably, before described ultraviolet curing varnish is coated in substrate, also comprise: in described ultraviolet curing varnish, add acrylate monomer to regulate its viscosity.
Ultraviolet curing varnish of the present invention can be used in the multiple conventional substrate such as common optical glass, FTP glass (enamel glass), ito glass (indium oxide tin glass); Be coated on suprabasil method and can be the ordinary method such as silk screen printing, offset printing; The Conventional UV light sources such as high voltage mercury lamp, medium pressure mercury lamp, low pressure mercury lamp, LED light source be can be to its equipment carrying out irradiation; Before being coated with, if the viscosity of ultraviolet curing varnish and coating process incompatible, also can add a small amount of acrylate monomer to regulate its viscosity in ultraviolet curing varnish, the constituent species, components by weight etc. of the acrylate monomer added are preferably identical with acrylate monomer original in ultraviolet curing varnish, certainly, this step not necessarily, if the viscosity of ultraviolet curing varnish own is suitable, then directly can be coated with, acrylate monomer need not be added again.
Technical problem to be solved by this invention also comprises, and for the problem that the sticking power of the supercoat of existing touch-screen, resistance to hand perspiration, the performance such as high temperature resistant are not good, provides a kind of touch-screen with supercoat of good performance.
The technical scheme that solution the technology of the present invention problem adopts is a kind of touch-screen, and its screen surface has supercoat, and described supercoat is formed by above-mentioned ultraviolet curing varnish.
Because the supercoat of touch-screen of the present invention is formed by above-mentioned ultraviolet curing varnish, therefore its properties is good.
The present invention is specially adapted to the supercoat of the touch-screen of electronics, as the supercoat of the touch-screen of mobile phone, panel computer, electric paper book, automatic teller machine etc.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with embodiment, the present invention is described in further detail.
The ultraviolet curing varnish of different components is prepared according to the formula of following comparative example and each embodiment; and make it solidify to form supercoat, then the performance test of hardness, sticking power, matte degree, water boiling resistance, high temperature resistant, resistance to hand perspiration, resistance to fingerprint, cold-hot impact is carried out to supercoat.
Wherein, the preparation method of comparative example and each embodiment medium ultraviolet photocuring gloss oil and curing are:
S01, by light trigger and acrylate monomer mixed dissolution;
S02, add modified epoxy acrylate resin (in comparative example for epoxy acrylic resin), polyurethane acrylic resin, auxiliary agent, high speed dispersor disperses stir evenly;
S03, add filler again, high speed dispersor is uniformly dispersed, leave standstill 10 ~ 15 minutes, make filler fully wetting in system;
S04, the fineness being ground to material on three-roll grinder are less than 10 μm, obtain ultraviolet curing varnish;
S05, optional, in ultraviolet curing varnish, add identical acrylate monomer of filling a prescription with aforesaid propylene acid ester monomer, regulate ultraviolet curing varnish to suitable viscosity; This step is mainly in order to the viscosity and coating process that make ultraviolet curing varnish adapt, the amount of its acrylate monomer added seldom (usually only having several weight part), relevant with factors such as storage periods of temperature, ultraviolet curing varnish, and little to the final supercoat performance impact formed, therefore do not limit its concrete add-on; Certainly, this step not necessarily, if the viscosity of ultraviolet curing varnish own is suitable, then can directly be coated with;
S06, ultraviolet curing varnish (caning be passed through viscosity adjustment) to be coated in substrate, and by UV-light, irradiation to be carried out to it, obtain ultraviolet curing varnish.
Certainly, the preparation method of above-mentioned ultraviolet curing varnish is one of its multiple preparation method, wherein the addition sequence, mixing equipment, blending means, hybrid parameter etc. of each component all alterable.Therefore, above-mentioned preparation method just for the positive comparative example of guarantor and each embodiment are by unified method manufacture, have comparability, and should not be considered as the restriction of the preparation method to ultraviolet curing varnish of the present invention.
Wherein, the concrete grammar of each performance test of comparative example and each embodiment medium ultraviolet photocuring gloss oil is:
Hardness test: pen core hardness being respectively the pencil (Mitsubishi's board) of 6B ~ 9H is whittled into cylindrical and polishes on 400 order sand paper; Promote pencil forward slip 5mm on supercoat of different hardness successively, draw 5 altogether, the load be wherein applied on nib is 1Kg, pencil and supercoat surface angle at 45 °; With rubber by pencil trace wiped clean, check protection coatingsurface has no marking; Wherein, the cut that part pencil produces is 1 or following, and the highest hardness in these pencils is the hardness of supercoat.
Matte degree is tested: the matte degree test adopting 60 ° of angles.
Sticking power test (hundred lattice methods): the grid drawing 10 × 10 1mm × 1mm with blade (knife edge angle is 15 ~ 30 °) on supercoat surface, rule all dark and supercoat bottom (namely supercoat thoroughly being drawn disconnected); With hairbrush, fragment is cleaned down; With adhesive power 350 ~ 400g/cm
2adhesive tape (3M810 type) firmly cling whole small grid, and make it cement with eraser wiping adhesive tape of exerting oneself; Catch adhesive tape one end, so that gummed paper to be shut down rapidly in the direction vertical with supercoat, 2 tests are carried out to same position; Using not by the little lattice number that pulls off as sticking power test result.
Resistance to hand perspiration test: configuration synthetic perspiration, its formula is: 100ml deionized water+5gNaCl+5g Na
2hPO
4the acetic acid of+2ml concentration 99%, synthetic perspiration's pH value is about 4.7; At the temperature of 45 DEG C, supercoat is coated with the cotton towels soaked by synthetic perspiration, constantly on towel, drip synthetic perspiration in test process, keep towel moistening; Take towel away after 120 hours (5 days), the water stain of supercoat surface dried with dry cloth, normal temperature places 0.5 hour; Observe supercoat outward appearance, with flawless, non-foaming, do not come off for qualified.
Water boiling resistance is tested: supercoat is boiled 60 minutes in the boiling water of 100 DEG C, observes supercoat outward appearance afterwards, with flawless, non-foaming, do not come off for qualified.
High temperature resistant test: supercoat be heated to 265 DEG C and be incubated 10 seconds, cooling afterwards, repeats 3 times; Observe supercoat outward appearance, with flawless, non-foaming, do not come off for qualified.
Resistance to fingerprint test: press with finger supercoat, afterwards whether visual inspection supercoat has fingerprint to exist.
Cold-hot Impact Test: supercoat be heated to 80 DEG C ± 2 DEG C and be incubated 40 minutes, then be cooled to rapidly-40 DEG C ± 2 DEG C and be incubated 40 minutes, observes its outward appearance, with flawless, non-foaming, do not come off for qualified.
Comparative example:
This comparative example provides a kind of known ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the epoxy acrylic resin of 3.8,30 parts;
Functionality is 2.5 polyurethane acrylic resins, 15 parts;
Light trigger, 4 parts is 1-hydroxy-cyclohexyl-phenyl ketone (184);
Acrylate monomer, comprising totally by 22 parts: double pentaerythritol methacrylate (DPHA), 5 parts; Viscoat 295 (TMPTA), 10 parts; Propylene glycol diacrylate (DPGDA), 7 parts;
Filler, 23 parts, comprising: barium sulfate, 7 parts totally; Talcum powder, 5 parts; Aerosil, 3 parts; Mute powder, 8 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK356), 3 parts; Dispersion agent (BYK168), 2 parts; Defoamer (BYK051), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of this comparative example to 100ps, used 200 order screen printings to stencil on common optical glass, under the high voltage mercury lamp of ultraviolet wavelength 365nm, use 0.8J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 6H;
Sticking power: 97 lattice;
Matte degree: 18 ~ 20/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: defective (having crackle);
Resistance to hand perspiration: defective (having crackle);
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 1:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the soybean oil modified epoxy acrylic resin (EBECRYL 860) of 2,20 parts;
Functionality is the polyurethane acrylic resin of 2,20 parts;
Light trigger, 3 parts is 1-hydroxy-cyclohexyl-phenyl ketone (184);
Acrylate monomer, comprising totally by 26 parts: Viscoat 295 (TMPTA), 20 parts; Propylene glycol diacrylate (DPGDA), 6 parts;
Filler, 25 parts, comprising: barium sulfate, 12 parts totally; Talcum powder, 5 parts; Aerosil, 3 parts; Mute powder, 5 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK356), 3 parts; Dispersion agent (BYK168), 2 parts; Defoamer (BYK052), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps, used 200 order screen printings to stencil on common optical glass, under the high voltage mercury lamp of ultraviolet wavelength 365nm, use 0.6J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 6H;
Sticking power: 100 lattice;
Matte degree: 15 ~ 20/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 2:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the modified bisphenol A acrylic resin (EBECRYL 3420) of 3,30 parts;
Functionality is the polyurethane acrylic resin of 3,15 parts;
Light trigger, 5 parts is 1-hydroxy-cyclohexyl-phenyl ketone (184);
Acrylate monomer, comprising totally by 20 parts: Viscoat 295 (TMPTA), 15 parts; Propylene glycol diacrylate (DPGDA), 5 parts;
Filler, 24 parts, comprising: barium sulfate, 11 parts totally; Talcum powder, 5 parts; Aerosil, 3 parts; Mute powder, 5 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK371), 3 parts; Dispersion agent (BYK161), 2 parts; Defoamer (BYK051), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps, used 200 order screen printings to stencil on common optical glass, under the high voltage mercury lamp of ultraviolet wavelength 365nm, use 0.8J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 7H;
Sticking power: 100 lattice;
Matte degree: 15 ~ 20/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 3:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the amino modified dihydroxyphenyl propane acrylic resin (EBECRYL 3703) of 5,30 parts;
Functionality is the polyurethane acrylic resin of 6,15 parts;
Light trigger, 5 parts is 1-hydroxy-cyclohexyl-phenyl ketone (184);
Acrylate monomer, comprising totally by 20 parts: double pentaerythritol methacrylate (DPHA), 15 parts; Viscoat 295 (TMPTA), 5 parts;
Filler, 24 parts, comprising: barium sulfate, 8 parts totally; Talcum powder, 5 parts; Aerosil, 3 parts; Mute powder, 8 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK371), 3 parts; Dispersion agent (BYK161), 2 parts; Defoamer (BYK051), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps, used 200 order screen printings to stencil on common optical glass, under the high voltage mercury lamp of ultraviolet wavelength 365nm, use 0.8J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 7H;
Sticking power: 100 lattice;
Matte degree: 12 ~ 16/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 4:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the amino modified dihydroxyphenyl propane acrylic resin (EBECRYL 3703) of 5,35 parts;
Functionality is the polyurethane acrylic resin of 3,10 parts;
Light trigger, 5 parts is 1-hydroxy-cyclohexyl-phenyl ketone (184);
Acrylate monomer, comprising totally by 20 parts: double pentaerythritol methacrylate (DPHA), 15 parts; Viscoat 295 (TMPTA), 5 parts;
Filler, 23.5 parts, comprising: barium sulfate, 7.5 parts totally; Talcum powder, 5 parts; Aerosil, 3 parts; Mute powder, 8 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK371), 3 parts; Dispersion agent (BYK160), 2 parts; Defoamer (BYK052), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps, used 200 order screen printings to stencil on common optical glass, under the high voltage mercury lamp of ultraviolet wavelength 365nm, use 0.8J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 7H;
Sticking power: 100 lattice;
Matte degree: 12 ~ 16/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 5:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the soybean oil modified epoxy acrylic resin (EBECRYL 860) of 2,35 parts;
Functionality is the polyurethane acrylic resin of 3,10 parts;
Light trigger, comprises 1-hydroxy-cyclohexyl-phenyl ketone (184), 3 parts by totally 4 parts; 2,4,6-trimethylbenzoy-dipheny phosphorus oxide (TPO), 1 part;
Acrylate monomer, comprising totally by 22 parts: double pentaerythritol methacrylate (DPHA), 5 parts; Viscoat 295 (TMPTA), 10 parts; Propylene glycol diacrylate (DPGDA), 7 parts;
Filler, 22 parts, comprising: barium sulfate, 7 parts totally; Talcum powder, 5 parts; Aerosil, 2 parts; Mute powder, 8 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK356), 3 parts; Dispersion agent (BYK168), 2 parts; Defoamer (BYK051), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 5ps, it is printed on common optical glass with offset printing, under the high voltage mercury lamp of ultraviolet wavelength 365nm, uses 0.6J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 5H;
Sticking power: 100 lattice;
Matte degree: 18 ~ 23/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 6:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the silane-modified epoxy acrylic resin of 3,15 parts;
Functionality is the polyurethane acrylic resin of 2,10 parts;
Light trigger, 3 parts is 2,4,6-trimethylbenzoy-dipheny phosphorus oxide (TPO);
Acrylate monomer, comprising totally by 25 parts: methyl acrylate (MA), 10 parts; Isobornyl acrylate (IOBA), 9 parts; Propylene glycol diacrylate (DPGDA), 6 parts;
Filler, 32 parts, comprising: mute powder, 9 parts totally; Aerosil, 11 parts; Coarse whiting, 12 parts;
Auxiliary agent, comprising totally by 10 parts: flow agent (BYK356), 5 parts; Dispersion agent (BYK168), 3 parts; Defoamer (BYK052), 2 parts.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps, used 200 order screen printings to stencil on common optical glass, under the high voltage mercury lamp of ultraviolet wavelength 400nm, use 1.8J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 6H;
Sticking power: 100 lattice;
Matte degree: 16 ~ 21/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 7:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the silane-modified epoxy acrylic resin of 5,50 parts;
Functionality is the polyurethane acrylic resin of 4,30 parts;
Light trigger, comprising totally by 5 parts: 1-hydroxy-cyclohexyl-phenyl ketone (184), 2 parts; 2-hydroxy-2-methyl-1-phenyl-1-acetone (1137), 3 parts;
Acrylate monomer, is methyl methacrylate (MMA) by 5 parts;
Filler, 25 parts, comprising: barium sulfate, 12 parts totally; Coarse whiting, 13 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK371), 4 parts; Defoamer (BYK051), 1 part; Surface modifier (BYK333), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 95ps, used 200 order screen printings to stencil on FTP glass (enamel glass), under the medium pressure mercury lamp of ultraviolet wavelength 300nm, use 0.6J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 5H;
Sticking power: 98 lattice;
Matte degree: 15 ~ 20/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 8:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the soybean oil modified epoxy acrylic resin (EBECRYL 860) of 2,10 parts;
Functionality is the polyurethane acrylic resin of 4,15 parts;
Light trigger, comprising totally by 4 parts: benzoin dimethylether (BKD), 2 parts; 2,4,6-trimethylbenzoy-dipheny phosphorus oxide (TPO), 2 parts;
Acrylate monomer, comprising totally by 30 parts: double pentaerythritol methacrylate (DPHA), 15 parts; 1,6 hexanediol diacrylate (HDDA), 15 parts;
Filler, totally 10 parts is talcum powder:
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK356), 2 parts; Dispersion agent (BYK161), 2 parts; Defoamer (BYK052), 1.8 parts; Surface modifier (BYK333), 0.2 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 5ps, it is printed on common optical glass with offset printing, under the LED light source of ultraviolet wavelength 305nm, uses 0.4J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 5H;
Sticking power: 99 lattice;
Matte degree: 19 ~ 23/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 9:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the silane-modified epoxy acrylic resin of 6,32 parts;
Functionality is the polyurethane acrylic resin of 3,17 parts;
Light trigger, 3 parts is 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester (TPO-L);
Acrylate monomer, comprising totally by 20 parts: isobornyl acrylate (IOBA), 8 parts; Propylene glycol diacrylate (DPGDA), 12 parts;
Filler, 40 parts, comprising: barium sulfate, 10 parts totally; Mute powder, 10 parts; Aerosil, 10 parts; Coarse whiting, 10 parts;
Auxiliary agent, comprising totally by 7 parts: flow agent (BYK356), 4 parts; Dispersion agent (BYK168), 1.5 parts; Defoamer (BYK051), 0.5 part; Surface modifier (BYK333), 1 part.
Regulating with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 110ps, being used 200 order screen printings to stencil on common optical glass, with using 0.7J/cm under the high voltage mercury lamp of ultraviolet wavelength 380nm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 7H;
Sticking power: 100 lattice;
Matte degree: 13 ~ 18/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 10:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the amino modified bisphenol-A epoxy acrylic resin (EBECRYL3703) of 5,25 parts;
Functionality is the polyurethane acrylic resin of 3.5,25 parts;
Light trigger, 1 part is 2-hydroxy-2-methyl-1-phenyl-1-acetone (1137);
Acrylate monomer, comprising totally by 28 parts: methyl acrylate (MA), 8 parts; Methyl methacrylate (MMA), 8 parts; Double pentaerythritol methacrylate (DPHA), 12 parts;
Filler, 15 parts, comprising: talcum powder, 8 parts totally; Coarse whiting, 7 parts;
Auxiliary agent, comprises flow agent (BYK356) by 5 parts.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 10ps, it is printed on common optical glass with offset printing, under the low pressure mercury lamp of ultraviolet wavelength 220nm, uses 1.2J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 6H;
Sticking power: 100 lattice;
Matte degree: 18 ~ 22/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 11:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the modified bisphenol A epoxy acrylic resin (EBECRYL 954) of 2,40 parts;
Functionality is the polyurethane acrylic resin of 2,20 parts;
Light trigger, comprising totally by 7 parts: 2,4,6-trimethylbenzoy-dipheny phosphorus oxide (TPO), 2 parts; 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester (TPO-L), 2 parts; 2-hydroxy-2-methyl-1-phenyl-1-acetone (1137), 3 parts;
Acrylate monomer, comprising totally by 15 parts: isobornyl acrylate (IOBA), 6 parts; Double pentaerythritol methacrylate (DPHA), 9 parts;
Filler, 30 parts, comprising: barium sulfate, 5 parts totally; Organobentonite, 18 parts; Fine particle calcium carbonate, 7 parts;
Auxiliary agent, comprising totally by 8 parts: flow agent (BYK371), 4 parts; Dispersion agent (BYK160), 3 parts; Defoamer (BYK052), 0.5 part; Surface modifier (BYK333), 0.5 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps, used 200 order screen printings to stencil on ito glass (indium oxide tin glass), under the LED light source of ultraviolet wavelength 200nm, use 0.8J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 7H;
Sticking power: 100 lattice;
Matte degree: 14 ~ 19/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 12:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the silane-modified epoxy acrylic resin of 2,50 parts;
Functionality is the polyurethane acrylic resin of 2,18 parts;
Light trigger, comprising totally by 4 parts: 1-hydroxy-cyclohexyl-phenyl ketone (184), 1 part; Benzoin dimethylether (BKD), 3 parts;
Acrylate monomer, is double pentaerythritol methacrylate (DPHA) by 10 parts;
Filler, 8 parts is aerosil;
Auxiliary agent, comprising totally by 5 parts: flow agent (BYK371), 2.2 parts; Dispersion agent (BYK160), 1.5 parts; Defoamer (BYK052), 0.5 part; Surface modifier (BYK333), 0.8 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 5ps, it is printed on ito glass (indium oxide tin glass) with offset printing, under the medium pressure mercury lamp of ultraviolet wavelength 300nm, uses 0.5J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 5H;
Sticking power: 98 lattice;
Matte degree: 15 ~ 22/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 13:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is 5 amino modified bisphenol-A epoxy acrylic resins (EBECRYL3703), 28 parts;
Functionality is the polyurethane acrylic resin of 4,13 parts;
Light trigger, comprising totally by 3 parts: 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester (TPO-L), 1.5 parts; 2-hydroxy-2-methyl-1-phenyl-1-acetone (1137), 1.5 parts;
Acrylate monomer, comprising totally by 19 parts: propylene glycol diacrylate (DPGDA), 10 parts; 1,6 hexanediol diacrylate (HDDA), 9 parts;
Filler, 25 parts, comprising: mute powder, 15 parts totally; Fine particle calcium carbonate, 10 parts;
Auxiliary agent, comprising totally by 6.6 parts: flow agent (BYK356), 4 parts; Defoamer (BYK051), 1.8 parts; Surface modifier (BYK333), 0.8 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 90ps, used 200 order screen printings to stencil on common optical glass, under the LED light source of ultraviolet wavelength 305nm, use 0.7J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 6H;
Sticking power: 100 lattice;
Matte degree: 16 ~ 22/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 14:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Functionality is the modified epoxy acrylate resin (623A-80) of 2,30 parts;
Functionality is the polyurethane acrylic resin of 3.5,20 parts;
Light trigger, comprising totally by 5 parts: 2,4,6-trimethylbenzoy-dipheny phosphorus oxide (TPO), 1 part; 2-hydroxy-2-methyl-1-phenyl-1-acetone (1137), 2 parts; 1-hydroxy-cyclohexyl-phenyl ketone (184), 2 parts;
Acrylate monomer, comprising totally by 15 parts: Viscoat 295 (TMPTA), 6 parts; Isobornyl acrylate (IOBA), 9 parts;
Filler, 30 parts, comprising: barium sulfate, 6 parts totally; Organobentonite, 9 parts; Coarse whiting, 7.5 parts; Fine particle calcium carbonate, 7.5 parts;
Auxiliary agent, comprising totally by 6 parts: dispersion agent (BYK161), 3 parts; Defoamer (BYK051), 2 parts; Surface modifier (BYK333), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps, used 200 order screen printings to stencil on common optical glass, under the high voltage mercury lamp of ultraviolet wavelength 395nm, use 0.8J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 7H;
Sticking power: 100 lattice;
Matte degree: 16 ~ 21/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 15:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Modified epoxy acrylate resin, comprising totally by 50 parts: functionality is the silane-modified epoxy acrylic resin of 5,30 parts; Functionality is the soybean oil modified epoxy acrylic resin (EBECRYL 860) of 2,20 parts;
Functionality is the polyurethane acrylic resin of 4,30 parts;
Light trigger, comprising totally by 5 parts: 1-hydroxy-cyclohexyl-phenyl ketone (184), 3 parts; 2-hydroxy-2-methyl-1-phenyl-1-acetone (1137), 2 parts;
Acrylate monomer, is double pentaerythritol methacrylate (DPHA) by 5 parts;
Filler, 25 parts, comprising: barium sulfate, 13 parts totally; Coarse whiting, 12 parts;
Auxiliary agent, comprising totally by 6 parts: flow agent (BYK371), 4 parts; Defoamer (BYK051), 1 part; Surface modifier (BYK333), 1 part.
Regulate with above-mentioned acrylate monomer the viscosity of the ultraviolet curing varnish of the present embodiment to 95ps, used 200 order screen printings to stencil on FTP glass (enamel glass), under the high voltage mercury lamp of ultraviolet wavelength 300nm, use 0.7J/cm
2energy-curable, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 5H;
Sticking power: 97 lattice;
Matte degree: 16 ~ 20/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
Embodiment 16:
The present embodiment provides a kind of ultraviolet curing varnish and curing thereof, and it is made up as stated above of the raw material of following kind and parts by weight:
Acrylic resin modified, totally 40 parts, comprise; Functionality is the bisphenol A modified epoxy acrylic resin (EBECRYL 954) of 2,30 parts; Functionality is 5 modified epoxy acrylate resin (EBECRYL 3703), 10 parts;
Functionality is the polyurethane acrylic resin of 2,20 parts;
Light trigger, comprising totally by 7 parts: 2,4,6-trimethylbenzoy-dipheny phosphorus oxide (TPO), 5 parts; 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester (TPO-L), 2 parts;
Acrylate monomer, is double pentaerythritol methacrylate (DPHA) by 15 parts;
Filler, 30 parts, comprising: barium sulfate, 5 parts totally; Organobentonite, 18 parts; Fine particle calcium carbonate, 7 parts;
Auxiliary agent, comprising totally by 8 parts: flow agent (BYK371), 4 parts; Dispersion agent (BYK160), 3 parts; Defoamer (BYK052), 0.5 part; Surface modifier (BYK333), 0.5 part.
Regulate the viscosity of the ultraviolet curing varnish of the present embodiment to 100ps with above-mentioned acrylate monomer; 200 order screen printings are used to stencil on ito glass (indium oxide tin glass); with the energy-curable of 0.8J/cm2 under the LED light source of ultraviolet wavelength 200nm, obtain supercoat.
Carry out performance test to supercoat as stated above, its result is as follows:
Hardness: 6H;
Sticking power: 100 lattice;
Matte degree: 15 ~ 18/31.6Gs;
Water boiling resistance: qualified;
High temperature resistant: qualified;
Resistance to hand perspiration: qualified;
Resistance to fingerprint: without obvious fingerprint.
Cold-hot impacts: qualified.
According to the test result of above comparative example and each embodiment, the various performances of ultraviolet curing varnish of the present invention are all not less than existing ultraviolet curing varnish, and its sticking power, resistance to hand perspiration, high temperature resistant etc. in performance be obviously better than existing ultraviolet curing varnish, completely to meet the user demand of modern touch-screen.
Embodiment 17:
The present embodiment provides a kind of touch-screen, and its screen surface has supercoat, and this supercoat is formed by the ultraviolet curing varnish of above-mentioned any embodiment.
This touch-screen can be the touch-screen of the electronicss such as mobile phone, panel computer, electric paper book, automatic teller machine.
Because the supercoat of touch-screen of the present invention is formed by above-mentioned ultraviolet curing varnish, therefore its properties is good.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (7)
1. a touch-screen, its screen surface has supercoat, it is characterized in that, described supercoat is formed by ultraviolet curing varnish, and described ultraviolet curing varnish comprises following component:
Modified epoxy acrylate resin, polyurethane acrylic resin, acrylate monomer, filler, light trigger, auxiliary agent; Wherein, described modified epoxy acrylate resin be in silane-modified epoxy acrylic resin, soybean oil modified epoxy acrylic resin, modified bisphenol A epoxy acrylic resin, amino modified bisphenol-A epoxy acrylic resin, 6210G, 623A-80 any one or multiple;
The parts by weight of described each component are:
Modified epoxy acrylate resin: 10 ~ 50 parts;
Polyurethane acrylic resin: 10 ~ 30 parts;
Acrylate monomer: 5 ~ 30 parts;
Filler: 10 ~ 40 parts;
Light trigger: 1 ~ 7 part;
Auxiliary agent: 5 ~ 10 parts.
2. touch-screen according to claim 1, is characterized in that, the parts by weight of each component of described ultraviolet curing varnish are:
Modified epoxy acrylate resin: 15 ~ 40 parts;
Polyurethane acrylic resin: 15 ~ 20 parts;
Acrylate monomer: 15 ~ 25 parts;
Filler: 15 ~ 30 parts;
Light trigger: 3 ~ 5 parts;
Auxiliary agent: 5 ~ 10 parts.
3. touch-screen according to claim 1 and 2, is characterized in that,
The functionality of described modified epoxy acrylate resin is between 2 ~ 6;
The functionality of described polyurethane acrylic resin is between 2 ~ 4.
4. touch-screen according to claim 1 and 2, is characterized in that,
Described acrylate monomer comprise in methyl acrylate, methyl methacrylate, Viscoat 295, isobornyl acrylate, propylene glycol diacrylate, double pentaerythritol methacrylate, 1,6 hexanediol diacrylate any one or multiple.
5. touch-screen according to claim 1 and 2, is characterized in that,
Described filler comprise in barium sulfate, talcum powder, mute powder, organobentonite, aerosil, coarse whiting, fine particle calcium carbonate any one or multiple;
Described light trigger comprises 2; 4; in 6-trimethylbenzoy-dipheny phosphorus oxide, 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl esters, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-cyclohexyl-phenyl ketone, benzoin dimethylether any one or multiple.
6. touch-screen according to claim 1 and 2, is characterized in that,
Described auxiliary agent comprise in flow agent, dispersion agent, defoamer, surface modifier any one or multiple.
7. touch-screen according to claim 6, is characterized in that, the parts by weight of each component of described auxiliary agent are:
Flow agent: 2 ~ 5 parts;
Dispersion agent: 1.5 ~ 3 parts;
Defoamer: 0.5 ~ 2 part;
Surface modifier: 0 ~ 1 part.
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| CN108930194A (en) * | 2017-05-23 | 2018-12-04 | 惠展电子材料（上海）有限公司 | A kind of UV glazing fluid composition |
| KR101973155B1 (en) * | 2018-12-10 | 2019-04-26 | (주)딥스원에듀 | Dot film, multi-layers optic sheet and smart electric board |
| CN110337189B (en) * | 2019-06-28 | 2020-12-22 | 惠州市星之光科技有限公司 | Circuit board etching method |
| CN110305568A (en) * | 2019-07-31 | 2019-10-08 | 中广核达胜加速器技术有限公司 | One kind is based on cured nanometer heat dissipation film of EB and preparation method thereof |
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| CN111378353B (en) * | 2020-04-28 | 2021-09-14 | 佛山市儒林化工有限公司 | VOC (volatile organic compound) -emission-free environment-friendly UV gloss oil for coated iron and preparation method thereof |
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