CN1718642A - Method of in situ nano-modifying UV ray solidifying paint - Google Patents
Method of in situ nano-modifying UV ray solidifying paint Download PDFInfo
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- CN1718642A CN1718642A CN 200510050745 CN200510050745A CN1718642A CN 1718642 A CN1718642 A CN 1718642A CN 200510050745 CN200510050745 CN 200510050745 CN 200510050745 A CN200510050745 A CN 200510050745A CN 1718642 A CN1718642 A CN 1718642A
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Abstract
A process for preparing the in-situ nano-material modified paint solidified by ultraviolet ray is a sol-gel method including such steps as proportionally mixing ultraviolet solidified paint, solution of diluted hydrochloric acid and absolute alcohol, stirring, adding organosilicon monomer, and stirring while reaction at 30 deg.C for 4 hr. It can be used for the protecting layer of CD.
Description
Technical field
The present invention relates to the method for in-situ nano modified ultraviolet curing coating.
Background technology
UV glue is ultraviolet-curing paint, and it is to utilize ultraviolet radiation to cause resin solidification.Advantages such as compare with existing thermosetting coating, it has quick solidifying, and is energy-conservation, and ambient cure is polluted and lacked, and coating performance is superior are the new generation of green Chemicals, and are with a wide range of applications.Ultraviolet-curing paint is compared with traditional technology solidified coating, though demonstrate better over-all properties, for some precision instruments, the high scoring resistance that optics requires, the hardness of coating, scoring resistance still need to improve.The way of adding mineral filler 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 wear resistance improves and be not obvious, and transmittance descends.Sol-gel (sol-gel) technology has unique advantage aspect the preparation organic/inorganic nano hybrid material, because of its synthesis temperature low, product has favorable uniformity and high purity, reaction is under acid or base catalysis condition, hydrolysis and condensation by inorganic precursor form inorganic network, and can reach the uniform mixing of molecular water sane level between component, can suppress macroface effectively separates, therefore can make nano level dispersive hybrid material, inorganic materials with nano level size dispersion in polymkeric substance, the transmittance of impact polymer not only, and the performance of polymkeric substance each side is improved, as hardness, wear resistance all obviously improves.
Summary of the invention
The object of the present invention is to provide a kind of method of in-situ nano modified ultraviolet curing coating, to obtain to have the ultraviolet-curing paint of high rigidity, high-wearing feature and good stability.
The method of in-situ nano modified ultraviolet curing coating of the present invention is to adopt sol-gel (sol-gel) method, may further comprise the steps:
To place beaker in the ultraviolet-curing paint of system gross weight 49%～77% weight, dilute hydrochloric acid solution in system gross weight 1%～4% weight, concentration is that 0.3～0.6mmol/ml adds in the ultraviolet-curing paint, add dehydrated alcohol simultaneously in system gross weight 5%～27% weight, fully stirring makes system be tending towards homogeneous, the organosilane monomer that adds system gross weight meter 6%～22% weight then, the organosilane monomer that wherein contains unsaturated double-bond accounts for 6～7% weight, and stirring reaction is 4 hours under 30 ℃ of conditions.Promptly get the ultraviolet-curing paint of homogeneous phase in-situ nano modification.
Among the present invention, said organosilane monomer comprises organoalkoxysilane and contains organosilane monomer two classes of unsaturated double-bond, wherein the organoalkoxysilane organosilane monomer is selected from a kind of or mixture in tetraethoxy, diethoxy silane and the triethoxyl silane, and the organosilane monomer that contains unsaturated double-bond is selected from a kind of or its mixture in vinyltrimethoxy silane, vinyltriethoxysilane, propenyl Trimethoxy silane and the gamma-methyl allyl acyloxypropyl trimethoxysilane.
Ultraviolet-curing paint among the present invention (UV glue) is selected commercial DAICURE SD-390 (acrylate and multi-functional thinner are formed) for use, hydrochloric acid soln is that concentrated hydrochloric acid is through being diluted to 0.3～0.6mmol/ml, dehydrated alcohol is that common chemical is pure, and used water is deionized water.
The present invention is that catalyzer, ethanol are medium with dilute hydrochloric acid, under the reaction conditions of gentleness, organosilane monomer in UV glue under the hydrochloric acid catalysis effect hydrolytic condensation, generate the Si-O-Si cross-linked network, increase hard UV glue, the organosilane monomer that contains unsaturated link(age) mainly plays coupling agent, connects organic phase with mutually inorganic, inorganic phase is connected with chemical bond with organic phase, thereby improves both consistencies.The in-situ nano modification UV glue of the present invention's preparation has the characteristic of polymer materials, has high rigidity, wear resistance and the thermostability of inorganic materials simultaneously.Well solved anti scuffing problem, be applicable to the ultraviolet light polymerization supercoat of optical disc surface as sealer.
Embodiment
The invention will be further elaborated below by examples of implementation.
Embodiment 1
In beaker, add 15 gram UV glue, hydrochloric acid soln (0.0003mol/L) 0.38 gram, dehydrated alcohol 2 grams, stirring makes system be transparence, adds 2 gram tetraethoxys again, and 0.15 gram gamma-methyl allyl acyloxypropyl trimethoxysilane stirs fast, reacted 4 hours, and promptly obtained modification UV glue.
Embodiment 2
UV glue 15 grams, hydrochloric acid soln 0.75 gram, dehydrated alcohol 4 grams, diethoxy silane 4 grams, propenyl Trimethoxy silane 0.3 gram, technology is identical with embodiment 1.
Embodiment 3
UV glue 15 grams, hydrochloric acid soln 1.12 grams, dehydrated alcohol 8 grams, triethoxyl silane 6 grams, vinyltriethoxysilane 0.45 gram, technology and embodiment 1
Embodiment 4
UV glue 15 grams, hydrochloric acid soln 0.19 gram, dehydrated alcohol 1 gram, tetraethoxy 1 gram, vinyltrimethoxy silane 0.075 gram, technology is identical with embodiment 1.
Table 1 shows the performance index of the sol-gel method in-situ nano modification front and back UV glue of the foregoing description 1～4:
Table 1
| Embodiment | Outward appearance | Particle diameter | The glued membrane pencil hardness |
| Before unmodified | The transparent viscous fluid of little Huang | / | 3H～4H |
| Embodiment 1 | The transparent viscous fluid of little Huang | 163nm | 4H |
| Embodiment 2 | The transparent viscous fluid of little Huang | 170nm | 4H～5H |
| Embodiment 3 | The transparent viscous fluid of little Huang | 125nm | ＞6H |
| Embodiment 4 | The transparent viscous fluid of little Huang | 114nm | 4H |
Claims (3)
1. the method for in-situ nano modified ultraviolet curing coating is characterized in that may further comprise the steps:
To place beaker in the ultraviolet-curing paint of system gross weight 49%～77% weight, dilute hydrochloric acid solution in system gross weight 1%～4% weight, concentration is that 0.3～0.6mmol/ml adds in the ultraviolet-curing paint, add dehydrated alcohol simultaneously in system gross weight 5%～27% weight, fully stirring makes system be tending towards homogeneous, the organosilane monomer that adds system gross weight meter 6%～22% weight then, the organosilane monomer that wherein contains unsaturated double-bond accounts for 6～7% weight, and stirring reaction is 4 hours under 30 ℃ of conditions.
2. the method for in-situ nano modified ultraviolet curing coating according to claim 1, it is characterized in that said organosilane monomer comprises organoalkoxysilane and organosilane monomer two classes that contain unsaturated double-bond, wherein the organoalkoxysilane organosilane monomer is selected from a kind of or mixture in tetraethoxy, diethoxy silane and the triethoxyl silane, and the organosilane monomer that contains unsaturated double-bond is selected from a kind of or its mixture in vinyltrimethoxy silane, vinyltriethoxysilane, propenyl Trimethoxy silane and the gamma-methyl allyl acyloxypropyl trimethoxysilane.
3. the method for in-situ nano modified ultraviolet curing coating according to claim 1 is characterized in that said ultraviolet-curing paint selects DAICURE SD-390 for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510050745 CN1718642A (en) | 2005-07-15 | 2005-07-15 | Method of in situ nano-modifying UV ray solidifying paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510050745 CN1718642A (en) | 2005-07-15 | 2005-07-15 | Method of in situ nano-modifying UV ray solidifying paint |
Publications (1)
| Publication Number | Publication Date |
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| CN1718642A true CN1718642A (en) | 2006-01-11 |
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| CN 200510050745 Pending CN1718642A (en) | 2005-07-15 | 2005-07-15 | Method of in situ nano-modifying UV ray solidifying paint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585700A (en) * | 2012-01-16 | 2012-07-18 | 南昌航空大学 | Method for preparing UV (ultraviolet)-curable high-temperature-resistant and corrosion-resistant organic silicon/silica hybrid coating |
| CN103525286A (en) * | 2013-09-30 | 2014-01-22 | 安徽蓝柯复合材料有限公司 | UV gloss paint for priming on metal surface and preparation method thereof |
| CN103525289A (en) * | 2013-09-30 | 2014-01-22 | 安徽蓝柯复合材料有限公司 | Insulating UV (ultraviolet) varnish and preparation method thereof |
-
2005
- 2005-07-15 CN CN 200510050745 patent/CN1718642A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585700A (en) * | 2012-01-16 | 2012-07-18 | 南昌航空大学 | Method for preparing UV (ultraviolet)-curable high-temperature-resistant and corrosion-resistant organic silicon/silica hybrid coating |
| CN102585700B (en) * | 2012-01-16 | 2014-07-23 | 南昌航空大学 | Method for preparing UV (ultraviolet)-curable high-temperature-resistant and corrosion-resistant organic silicon/silica hybrid coating |
| CN103525286A (en) * | 2013-09-30 | 2014-01-22 | 安徽蓝柯复合材料有限公司 | UV gloss paint for priming on metal surface and preparation method thereof |
| CN103525289A (en) * | 2013-09-30 | 2014-01-22 | 安徽蓝柯复合材料有限公司 | Insulating UV (ultraviolet) varnish and preparation method thereof |
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