CN102070981B - Ultraviolet curing paint and preparation method and application thereof - Google Patents
Ultraviolet curing paint and preparation method and application thereof Download PDFInfo
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- CN102070981B CN102070981B CN2010105719037A CN201010571903A CN102070981B CN 102070981 B CN102070981 B CN 102070981B CN 2010105719037 A CN2010105719037 A CN 2010105719037A CN 201010571903 A CN201010571903 A CN 201010571903A CN 102070981 B CN102070981 B CN 102070981B
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- 239000003973 paint Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 8
- 239000004417 polycarbonate Substances 0.000 claims abstract description 6
- 229920000728 polyester Polymers 0.000 claims abstract description 5
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 40
- 238000012986 modification Methods 0.000 claims description 25
- 230000004048 modification Effects 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 239000000178 monomer Substances 0.000 claims description 14
- 150000001282 organosilanes Chemical class 0.000 claims description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 5
- BDAHDQGVJHDLHQ-UHFFFAOYSA-N [2-(1-hydroxycyclohexyl)phenyl]-phenylmethanone Chemical compound C=1C=CC=C(C(=O)C=2C=CC=CC=2)C=1C1(O)CCCCC1 BDAHDQGVJHDLHQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 3
- UHABQJSPMYLCFA-UHFFFAOYSA-N P(=O)(OC=O)(OC1=CC=CC=C1)OC1=CC=CC=C1.CC1=CC=CC=C1 Chemical compound P(=O)(OC=O)(OC1=CC=CC=C1)OC1=CC=CC=C1.CC1=CC=CC=C1 UHABQJSPMYLCFA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 3
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- OWUTVCVPEOXXHD-UHFFFAOYSA-N trimethoxy(prop-1-enyl)silane Chemical compound CO[Si](OC)(OC)C=CC OWUTVCVPEOXXHD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 238000001723 curing Methods 0.000 abstract description 27
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 abstract description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract description 3
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 3
- 239000004926 polymethyl methacrylate Substances 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 2
- 239000011147 inorganic material Substances 0.000 abstract description 2
- 239000011368 organic material Substances 0.000 abstract description 2
- 238000003848 UV Light-Curing Methods 0.000 abstract 5
- 239000000654 additive Substances 0.000 abstract 2
- 230000000996 additive effect Effects 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011253 protective coating Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 11
- 238000009835 boiling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 231100000241 scar Toxicity 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses an ultraviolet (UV) curing paint and a preparation method and application thereof. The preparation method comprises the following steps: weighting modified SiO2 sol to place in a container, adding water-soluble UV-cured resin, solvent and additive in turn, stirring for 10min, then adding photoinitiator, and stirring for 5min to obtain the UV curing paint, wherein the contents of the water-soluble UV-cured resin, the solvent, the additive and the photoinitiator are 10-60%, 7-33%, 0.1% and 2% respectively. The UV curing paint prepared by the method of the invention has the advantages of inorganic materials such as high hardness, high wear resistance, scratch resistance and good thermal stability and also has the advantages of organic materials such as adhesivity and relative flexibility; and the UV curing paint is suitable to be used as the protective coatings on the surfaces of all kinds of optical plastic products such as polyester which contains polycarbonate, polymethylmethacrylate, polyethylene terephthalate (PET) and the like. By adopting the UV curing paint of the invention, the defects of the existing UV curing paint in the aspects of hardness, wear resistance, scratch resistance and light transmittance, can be overcomed to a certain extent.
Description
Technical field
The present invention relates to the ultraviolet-curing paint field, be specifically related to a kind of transparent, attrition resistant, have a ultraviolet-curing paint that increases hard effect, and preparation method thereof with application.
Background technology
Advantages such as density is low, shock resistance good because of having for optical plastics, easy machine-shaping are usually used in making transparent window, and for example the vehicles, electronic product, buildings, glasses and other opticinstruments etc. all can use the transparent plastics of anti-the disruptive.
The major advantage of transparent plastics be anti-ly break, light weight and have the flexible of design, but that its major defect is a crocking resistance is poor, be prone to because of scratch and scratch cause visibility to descend and appearance poor, has limited its use range.
Strengthening to improve the surface hardness and the wear resistance of transparent plastics through the surface, is a kind of easy and practical method, can enlarge the Application Areas of this type material, prolongs its work-ing life.
In surperficial strongthener, preparation technology is simple, easy to operate, with low cost because of having, the characteristics of excellent property obtain increasingly extensive application for wear-resisting Clear coating.The application of the organopolysiloxane wear-resistant coating that wherein, obtains with the hydrolysis film forming is comparatively general.This method is referred to as sol-gel method.
Chinese patent CN101445698A, CN101445701A, CN101051092A, CN101460582A, CN101300318A disclose the preparation method of this type of surperficial strongthener.But the specific priming paint of needs that this type of wear-resisting Clear coating has, otherwise do not possess enough sticking power; The material that is suitable for that has is single, as very poor to the sticking power of PC base material to the good product of PMMA sticking power; In addition, this type of surperficial strongthener is a thermosetting coating, need solidify 2～4hr down at 80～120 ℃ after the coating; Otherwise do not reach required sticking power and wear resistance; So just reduce production efficiency, increased energy consumption, and " brilliant point " probability that produces that increases solidification process easily.
Ultraviolet light polymerization application and application techniques thereof are the new surface treatment technologies that the eighties is risen.This type coating utilizes ultraviolet radiation to cause resin solidification, compares with existing thermosetting coating, have quick solidifying, energy-conservation, ambient cure, pollution less, advantage such as coating performance is superior, be the new generation of green Chemicals.Compare with traditional technology solidified coating, ultraviolet-curing paint demonstrates better over-all properties, but for some precision instruments, the high scoring resistance that optics requires, the hardness of coating, wear resistance, scoring resistance still need improve.The way of the interpolation mineral filler that patent CN1554717A mentions can improve the wear resistance of coating to a certain extent, but has mineral filler and the mutual exclusive problem of hydrocarbon polymer simultaneously, even causes macroscopical phase-splitting, and transmittance descends.
Summary of the invention
Primary and foremost purpose of the present invention is to overcome the shortcoming of prior art with not enough, provide a kind of be suitable for the optical plastics external coating transparent, attrition resistant, have a ultraviolet-curing paint that increases hard effect.
Another object of the present invention is to provide the preparation method of above-mentioned ultraviolet-curing paint.
A purpose more of the present invention is to provide the application of above-mentioned ultraviolet-curing paint.
The object of the invention is realized through following technical proposals:
A kind of ultraviolet-curing paint is characterized in that: be composition following mass percent is prepared from,
Modification SiO
2Colloidal sol: 20～80%
Water-soluble ultraviolet light curing resin: 10～60%
Solvent: 7～33%
Light trigger: 2%
Auxiliary agent: 0.1%
Said modification SiO
2Colloidal sol for an organosilane monomer that contains unsaturated double-bond as surface-modifying agent, to SiO
2Colloidal sol carries out the modification SiO that surface-treated obtains
2Colloidal sol.Modification SiO
2Colloidal sol prepares through following method: with SiO
2Colloidal sol drops in the container and at the uniform velocity stirs, and is heated to 40～70 ℃, slowly drips an organosilane monomer that contains unsaturated double-bond, dropwises back insulation 2～6hr, is cooled to 20～30 ℃ and obtains modification SiO
2Colloidal sol.As preferably, the addition of an organosilane monomer is SiO
28.3～20% of colloidal sol quality, an organosilane monomer addition is excessive, SiO
2Effect in component is not obvious, does not reach required wear resistance, and an organosilane monomer addition is very few, then to SiO
2Modified effect not good, the consistency of coating is affected.
The said an organosilane monomer that contains unsaturated double-bond is a kind of in vinyltrimethoxy silane, vinyltriethoxysilane, propenyl Trimethoxy silane or the gamma-methyl allyl acyloxypropyl trimethoxysilane; Wherein gamma-methyl allyl acyloxypropyl trimethoxysilane has laser curing velocity faster in ultraviolet-curing paint, therefore the preferred gamma-methyl allyl acyloxypropyl trimethoxysilane of an organosilane monomer that contains unsaturated double-bond of the present invention.
Said SiO
2Colloidal sol, its amount of solid content between 25～30%, amount of solid content is too high will cause modification after sol system unstable, be prone to gel; Its pH value is between 2～4, and the hydrolysis that this pH value scope helps an organosilane monomer reaches in SiO
2The condensation reaction of particle; SiO
2Particle diameter between 5～50 nanometers, preferred 10～25 nanometers, SiO
2Particle diameter is low excessively, and wear-resisting reinforced effects is not obvious, SiO
2Particle diameter is too high, then can have influence on the consistency and the transparency of final coating.
Said water-soluble ultraviolet light curing resin is a kind of in soluble epoxide propenoate, aqurous ployurethane propenoate, water soluble polyether propenoate or the water-soluble polyester propenoate; Wherein the aqurous ployurethane propenoate has more excellent wear resistance and snappiness, therefore as preferred resin of the present invention.
Said solvent comprises the alcohol of water and any water-soluble or water miscibility, for example methyl alcohol, ethanol, Virahol, butanols etc., or alcohol ether such as propylene glycol monomethyl ether, butyl glycol ether etc.According to the different level of coating volatilization, the solvent of selecting several kinds of different boiling for use is as mixed solvent, and at least two kinds of solvent of described mixed solvent are at first selected the environment-friendly type solvent.
Said light trigger is 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-cyclohexyl benzophenone, 2,4,6-Three methyl Benzene formyl diphenyl phosphate oxidation or two 2,4, a kind of in the 6-Three methyl Benzene formylphenyl phosphorus oxide.Because coating products of the present invention is a wetting ability system preferably, for improving consistency, light trigger preferably has certain hydrophilic light trigger, like 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-cyclohexyl benzophenone etc.
Said auxiliary agent is that flow agent is or/and skimmer.These flow agents and skimmer are that industry technician is total to flow agent and the skimmer of knowing.
The preparation method of above-mentioned ultraviolet-curing paint is characterized in that may further comprise the steps:
Take by weighing 20～80% modification SiO
2Colloidal sol adds 10～60% water-soluble ultraviolet light curing resin, 7～33% solvent and 0.1% auxiliary agent successively in container, mixed 10 minutes, adds 2% light trigger again, mixes promptly getting ultraviolet-curing paint in 5 minutes, keeps in Dark Place;
Described per-cent is mass percent.
The present invention adopts nano hybridization technology preparation Organic, with an organosilane monomer that contains unsaturated double-bond as surface-modifying agent, to SiO
2Colloidal sol carries out surface-treated, then with the modification SiO that obtains
2Colloidal sol contains the mainly effect of its coupling agent of unsaturated two strong an organosilane monomers, connects organic phase with mutually inorganic, and organic phase is connected with chemical bond with inorganic, thereby improves both consistencies, and the SiO of modification
2Colloidal sol has the characteristic of participating in ultraviolet light cross-linking; Again with water-soluble ultraviolet light curing resin, solvent, light trigger, auxiliary agent proportional mixing; Obtain the ultraviolet-curing paint product after stirring, ultraviolet light polymerization at low temperatures is applicable to the plastic rubber substrate of thermo-sensitivity.
The present invention has following advantage and effect with respect to prior art:
The ultraviolet-curing paint that utilizes method provided by the invention to prepare has high firmness, high abrasion, the scratch resistance of inorganic materials hinders and good thermostability, has the adhesivity of organic materials and relative snappiness simultaneously; Be applicable to supercoat as all kinds of optics plastic cement products (for example polyester such as polycarbonate, polymethylmethacrylate, PET etc.) surface.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but embodiment of the present invention is not limited thereto.
Embodiment 1
With 100g SiO
2Colloidal sol (admittedly contain 30%, pH=3) drops in the four-hole boiling flask and at the uniform velocity stirs, be heated to 50 ℃, slowly drip the 20g gamma-methyl allyl acyloxypropyl trimethoxysilane, dropwise back insulation 5hr, be cooled to 20 ℃ and obtain modification SiO
2Colloidal sol.
Get 50g modification SiO
2Colloidal sol stirs adding 15g aqurous ployurethane propenoate down, the 25g deionized water; The 8g butyl glycol ether, flow agent BYK333 (originate from German Bi Ke company) 0.1g mixes 10min; Add 2g 2-hydroxy-2-methyl-1-phenyl-1-acetone again, stir 5min, make ultraviolet-curing paint.
Embodiment 2
With 100g SiO
2Colloidal sol (admittedly contain 30%, pH=2) drops in the four-hole boiling flask and at the uniform velocity stirs, be heated to 60 ℃, slowly drip the 20g vinyltrimethoxy silane, dropwise back insulation 3hr, be cooled to 24 ℃ and obtain modification SiO
2Colloidal sol.
Get 80g modification SiO
2Colloidal sol stirs adding 10g soluble epoxide propenoate down, the 5g absolute ethyl alcohol; The 2g propylene glycol monomethyl ether, flow agent BYK333 (originate from German Bi Ke company) 0.1g mixes 10min; Add 2g 1-hydroxyl-cyclohexyl benzophenone again, stir 5min, make ultraviolet-curing paint.
Embodiment 3
With 120g SiO
2Colloidal sol (admittedly contain 25%, pH=4) drops in the four-hole boiling flask and at the uniform velocity stirs, be heated to 40 ℃, slowly drip the 10g vinyltriethoxysilane, dropwise back insulation 6hr, be cooled to 26 ℃ and obtain modification SiO
2Colloidal sol.
Get 50g modification SiO
2Colloidal sol stirs adding 15g water soluble polyether propenoate down, 25g methyl alcohol, 8g Virahol; Flow agent BYK333 (originate from German Bi Ke company) 0.1g mixes 10min, adds 2g 2,4 again; 6-Three methyl Benzene formyl diphenyl phosphate oxidation stirs 5min, makes ultraviolet-curing paint.
Embodiment 4
With 120g SiO
2Colloidal sol (admittedly contain 25%, pH=3) drops in the four-hole boiling flask and at the uniform velocity stirs, be heated to 70 ℃, slowly drip 10g propenyl Trimethoxy silane, dropwise back insulation 2hr, be cooled to 30 ℃ and obtain modification SiO
2Colloidal sol.
Get 20g modification SiO
2Colloidal sol stirs adding 60g water-soluble polyester propenoate down, 12g deionized water, 6g butanols; Flow agent BYK333 (originate from German Bi Ke company) 0.1g mixes 10min, adds 2g two 2,4 again; 6-Three methyl Benzene formylphenyl phosphorus oxide stirs 5min, makes ultraviolet-curing paint.
The comparative example 1
With 100g SiO
2(admittedly contain 30%, pH=3) drop in the four-hole boiling flask and at the uniform velocity stir, be heated to 50 ℃, slowly drip the 20g gamma-methyl allyl acyloxypropyl trimethoxysilane, dropwise back insulation 5hr, cooling obtains modification SiO to colloidal sol
2Colloidal sol.
Get 65g modification SiO
2Colloidal sol stirs and to add the 25g deionized water down, the 8g butyl glycol ether, and flow agent BYK333 (originate from German Bi Ke company) 0.1g mixes 10min, adds 2g 2-hydroxy-2-methyl-1-phenyl-1-acetone again, stirs 5min, makes ultraviolet-curing paint.
The comparative example 2
Get 50g SiO
2Colloidal sol stirs adding 15g aqurous ployurethane propenoate down, the 25g absolute ethyl alcohol; The 8g butyl glycol ether, flow agent BYK333 (originate from German Bi Ke company) 0.1g mixes 10min; Add 2g 2-hydroxy-2-methyl-1-phenyl-1-acetone again, stir 5min, make ultraviolet-curing paint.
Embodiment 5
Present embodiment is the Test Example that the ultraviolet-curing paint product of embodiment of the invention gained carries out the film performance test:
The ultraviolet-curing paint that the contriver is prepared with the foregoing description 1-4 and comparative example 1,2 respectively adopts the mode of dip-coating to be coated in PC (polycarbonate) sheet surface.Make radiation source irradiates 5s with the uv lamp of 4KW, formed cured film is carried out each item performance test and evaluation, its result is as shown in table 1:
Table 1 film performance
In the table 1, each performance index is:
Sticking power: measure with reference to standard GB/T 9286 " cross cut test of paint and varnish paint film "
Pencil hardness: measure with reference to standard GB/T 6739 " hardness of paint film pencil assay method "
Wear resistance: the surface condition that rubs back and forth and observe model behind the model 20 times of sample with the Steel Wool (heavy burden 1Kg) of 0000#
*: flower is ground on the surface fully, and transmittance seriously descends
△: mill is not spent, but the scar bar number of surface＞1cm is more than 30
Zero: the scar bar number of surface＞1cm is between 5 to 30
The scar bar number of ◎: surface＞1cm is less than 5
Water boiling resistance: place 100 ℃ of boiling water to boil 30 minutes on the model of sample, take out test sticking power.
Solvent resistance: the surface condition of observing model behind the model 100 times of wiping sample back and forth with the speed of PM friction 30 times with the wet cloth (heavy burden 1Kg) that soaks methyl ethyl ketone solution
*: breakage
△: most of loss of gloss, part is damaged
Zero: do not have breakage, the part loss of gloss
◎: do not have breakage, no loss of gloss
Hot and humid: the model of sample is placed 80 ℃ of temperature, and 72hr in the climatic chamber of humidity 80% takes out test sticking power
Can find out that from table 1 embodiment 1～4 has better over-all properties, Comparative Examples 1 is not owing to there is the adding of organic resin, and relatively poor to the sticking power of base material, comparative example 2 is not to SiO
2Carry out modification, SiO
2Colloidal sol and resin compatible are poor, cause the transparency of coating poor.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. ultraviolet-curing paint is characterized in that: be composition by following mass percent prepares,
Modification SiO
2Colloidal sol: 20～80%
Water-soluble ultraviolet light curing resin: 10～60%
Solvent: 7～33%
Light trigger: 2%
Auxiliary agent: 0.1%;
Said modification SiO
2Colloidal sol prepares through following method:
With SiO
2Colloidal sol drops in the container and at the uniform velocity stirs, and is heated to 40～70 ℃, slowly drips an organosilane monomer that contains unsaturated double-bond, dropwises back insulation 2～6hr, is cooled to 20～30 ℃ and obtains modification SiO
2Colloidal sol;
The said an organosilane monomer that contains unsaturated double-bond is a kind of in vinyltrimethoxy silane, vinyltriethoxysilane, propenyl Trimethoxy silane or the gamma-methyl allyl acyloxypropyl trimethoxysilane;
Said water-soluble ultraviolet light curing resin is a kind of in soluble epoxide propenoate, aqurous ployurethane propenoate, water soluble polyether propenoate or the water-soluble polyester propenoate;
The said addition that contains an organosilane monomer of unsaturated double-bond is SiO
28.3～20% of colloidal sol quality.
2. ultraviolet-curing paint according to claim 1 is characterized in that:
The said an organosilane monomer that contains unsaturated double-bond is a gamma-methyl allyl acyloxypropyl trimethoxysilane;
Said water-soluble ultraviolet light curing resin is the aqurous ployurethane propenoate.
3. ultraviolet-curing paint according to claim 1 is characterized in that: said SiO
2Colloidal sol, its amount of solid content are 25～30%, and its pH value is 2～4.
4. ultraviolet-curing paint according to claim 1 is characterized in that: said solvent is the mixture of at least two kinds of compositions in water, methyl alcohol, ethanol, Virahol, butanols, propylene glycol monomethyl ether or the butyl glycol ether.
5. ultraviolet-curing paint according to claim 1; It is characterized in that: said light trigger is 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-cyclohexyl benzophenone, 2; 4; 6-Three methyl Benzene formyl diphenyl phosphate oxidation or two 2,4, a kind of in the 6-Three methyl Benzene formylphenyl phosphorus oxide.
6. the preparation method of the said ultraviolet-curing paint of claim 1 is characterized in that may further comprise the steps:
Take by weighing 20～80% modification SiO
2Colloidal sol adds 10～60% water-soluble ultraviolet light curing resin, 7～33% solvent and 0.1% auxiliary agent successively in container, mixed 10 minutes, adds 2% light trigger again, mixes promptly getting ultraviolet-curing paint in 5 minutes;
Described per-cent is mass percent.
7. the said ultraviolet-curing paint of claim 1 is as the coating for surface protection of optics plastic cement.
8. according to the coating for surface protection of the said ultraviolet-curing paint of claim 7 as the optics plastic cement, it is characterized in that: said optics plastic cement is a polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105719037A CN102070981B (en) | 2010-12-02 | 2010-12-02 | Ultraviolet curing paint and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105719037A CN102070981B (en) | 2010-12-02 | 2010-12-02 | Ultraviolet curing paint and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102070981A CN102070981A (en) | 2011-05-25 |
| CN102070981B true CN102070981B (en) | 2012-07-04 |
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| CN1302079C (en) * | 2004-01-15 | 2007-02-28 | 中山大学 | Light-catalyzed air-cleaning water environmental protection paint for inner wall |
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