CN104945980A - Photocurable coating with improved thermal conductivity - Google Patents
Photocurable coating with improved thermal conductivity Download PDFInfo
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- CN104945980A CN104945980A CN201510339465.4A CN201510339465A CN104945980A CN 104945980 A CN104945980 A CN 104945980A CN 201510339465 A CN201510339465 A CN 201510339465A CN 104945980 A CN104945980 A CN 104945980A
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Abstract
The invention discloses a photocurable coating with improved thermal conductivity, and belongs to the field of coatings, especially ultraviolet-curable coatings. The photocurable coating comprises the following raw materials: cis-butenedioic anhydride, hydroxyethyl methacrylate, methyl methacrylate, epoxy resin, ethyl orthosilicate, sodium dodecyl sulfate, a solvent, a wetting agent, a dispersing agent, a flatting agent, a photoinitiator, white carbon black, iron powder and aluminum powder. According to the coating provided by the invention, cured products are excellent in performance, and samples prepared after curing have excellent adhesive force, scratch resistance, antifouling property and thermal conductivity.
Description
Technical field
The invention belongs to paint field, belong to the field of the water-borne coatings of ultraviolet light polymerization especially.
Background technology
Acrylic resin paint has developed into the class coating variety that type is maximum, over-all properties is the most complete.Acrylic resin paint has the advantages such as time of drying is short, snappiness good, look shallow is, excellent guarantor's light tint retention and outdoor weatherability, but the general sticking power of single component acrylic resin paint to special substrate is bad, limits its application to a certain extent.Epoxy resin is one of most important kind in coating resin, and the aromatic ring in molecular structure gives the good hardness of film and chemical-resistant, and ehter bond is convenient to the rotation of molecular chain, makes again film have certain snappiness.The many hydroxyls contained in epoxy resin structural and ehter bond, make film to metal, pottery, glass, concrete, the sticking power of timber isopolarity ground is good, but the epoxy resin of general high molecular weight and the consistency of acrylic resin bad, and need supporting epoxy hardener to use, limit the application of high molecular weight epoxy resin in single component acrylic resin.The present invention first synthesizes the acrylic resin of side chain with anhydride group, with epoxy resin, modification is carried out to it again, obtained epoxy modified acrylic resin, the single-component epoxy modified acrylic coating material prepared with it has excellent sticking power, good hardness and gloss.
Summary of the invention
Common coating keep good use properties situation on once film forming thickness be difficult to more than 125 microns, the object of the invention is obtained a kind of epoxy acrylic coatings of solidifying high thermal conductivity under ultraviolet light, make it have excellent sticking power, good hardness and gloss, the good and environmental protection of use properties simultaneously.The present invention realizes above-mentioned purpose by following technical scheme:
A kind of increased thermal conductivity photo-cured coating, is characterized in that being made up of by mass parts following raw material: along Ding Xier acid anhydrides 15-30 part, methacrylic acid cyclohexanol 40-75 part, methyl methacrylate 15-25 part, epoxy resin 9-17 part, tetraethoxy 20-30 part, sodium laurylsulfonate 5-15 part, solvent 15-25 part, wetting agent 0.5-1.5 part, dispersion agent 3-6 part, flow agent 2-5 part, light trigger 1-4 part, white carbon black 1-5 part, iron powder 2-5 part, aluminium powder 1-4 part.
As preferably, described solvent adopts one or more the aqueous solution of vinyl acetic monomer, ethanol, 1-Methoxy-2-propyl acetate.
Preferably, described solvent strength 10-15wt%.
As preferably, described wetting agent adopt aliphatic polymer in modification poly(silicon aether) and polyoxyethylene glycol one or more.
As preferably, described dispersion agent adopt glyceryl monostearate (GMS), polyoxyethylene glycol and Tristearoylglycerol (HTG) one or more.
As preferably, described flow agent adopt acrylic resin, urea-formaldehyde resin and terpolycyantoamino-formaldehyde resin one or more.
As preferably, described light trigger to adopt in benzoin dimethylether, 2-hydroxy-2-methyl-1-phenyl-acetone (UV-1173), 2,4,6-trimethylbenzoy-dipheny phosphine oxides (TPO) and methyl benzoylformate (MBF) one or more.
As preferably, described iron particle size adopts 500-600 order.
As preferably, described aluminum powder particle size adopts 500-600 order.
As preferably, described white carbon black is nano level.
White carbon black is the common name of fine powder or ultrafine particle shape anhydrous and aqueous silicon dioxide or silicates.White carbon black alleged is at ordinary times hydrated SiO 2, high-purity person SiO
2content reaches 99.8%, light weight, and primary particle particle diameter is generally less than 0.0003mm, and density is between 2.319 ~ 2.653t/m, and fusing point is 1750 DEG C.The chemical stability of white carbon black is good, not easily decomposes, does not burn, specific surface area is large, electrical insulating property is strong by high temperature, has very much higher permeability, water-absorbent, has good reinforcement and increases glutinous effect, good dispersiveness, suspension and thixotropy characteristic.White carbon black is the general name of white powder X-ray amorphous silicic acid and silicate product, mainly refers to precipitated silica, aerosil, superfine silicon dioxide gel and aerogel, also comprises Powdered synthetic aluminium silicate and Calucium Silicate powder etc.White carbon black is porous material, and it forms available SiO
2nH
2o represents, wherein nH
2o exists with the form of surface hydroxyl.Caustic alkali and hydrofluoric acid can be dissolved in, water insoluble, solvent and acid (except hydrofluoric acid).High temperature resistant, do not fire, tasteless, odorless, there is good electrical insulating property.White carbon black adds in coating and makes abrasion resistance bring up to more than 10,000 time by original more than 1,000 time, artificial acceleration weathering age and man-made radiation expose digestion time and bring up to 600 hours (without efflorescence by original 250 hours (efflorescence 1 grade, variable color 2 grades), paint film is without variable color, value of chromatism 4.8), in addition film and polycarbonate plate body bonding strength significantly improve, hardness of film significantly increases, and clean surfaces ability is also improved.
The invention has the beneficial effects as follows:
One, curing speed of the present invention is fast, can in ambient cure, and production efficiency is high, easily manufactured, cured product performance is good, and sample obtained after solidification has excellent sticking power, resistance to marring and didirtresistance;
Two, to adopt epoxy resin to obtain coating material solidified in the present invention, and it is high temperature resistant, resistant to chemical media, waterproof and oilproof performance significantly improve, and one-pass film-forming thickness is greater than 180 microns and does not ftracture, and sun-proof ability is strong;
Three, the present invention adopts nano-scale white carbon black can improve intensity, resistance to deterioration and improves the smooth finish of material surface and anticorrosive;
Four, the present invention adds metallic iron, aluminium powder form, effectively enhances the thermal conductivity of coating;
Five, easily manufactured, cost is low, product is practical, use is simple.
Embodiment
The present invention is set forth further below in conjunction with embodiment:
Embodiment one
A kind of increased thermal conductivity photo-cured coating, is made up of by mass parts following raw material: along 15 parts, Ding Xier acid anhydrides, methacrylic acid cyclohexanol 40 parts, methyl methacrylate 15 parts, epoxy resin 9 parts, tetraethoxy 20 parts, sodium laurylsulfonate 5 parts, solvent 15 parts, wetting agent 0.5 part, dispersion agent 3 parts, flow agent 2 parts, light trigger 1 part, white carbon black 1 part, iron powder 2 parts, aluminium powder 1 part.
Embodiment two
A kind of increased thermal conductivity photo-cured coating, is made up of by mass parts following raw material: along 17 parts, Ding Xier acid anhydrides, methacrylic acid cyclohexanol 45 parts, methyl methacrylate 17 parts, epoxy resin 11 parts, tetraethoxy 22 parts, sodium laurylsulfonate 7 parts, solvent 18 parts, wetting agent 1 part, dispersion agent 4 parts, flow agent 3 parts, light trigger 2 parts, white carbon black 2 parts, iron powder 3 parts, aluminium powder 2 parts.
Embodiment three
A kind of increased thermal conductivity photo-cured coating, is made up of by mass parts following raw material: along 20 parts, Ding Xier acid anhydrides, methacrylic acid cyclohexanol 50 parts, methyl methacrylate 21 parts, epoxy resin 13 parts, tetraethoxy 25 parts, sodium laurylsulfonate 10 parts, solvent 20 parts, wetting agent 1.2 parts, dispersion agent 5 parts, flow agent 4 parts, light trigger 3 parts, white carbon black 4 parts, iron powder 4 parts, aluminium powder 3 parts.
Embodiment four
A kind of increased thermal conductivity photo-cured coating, is made up of by mass parts following raw material: along 23 parts, Ding Xier acid anhydrides, methacrylic acid cyclohexanol 55 parts, methyl methacrylate 23 parts, epoxy resin 15 parts, tetraethoxy 27 parts, sodium laurylsulfonate 13 parts, solvent 22 parts, wetting agent 1.5 parts, dispersion agent 6 parts, flow agent 5 parts, light trigger 4 parts, white carbon black 5 parts, iron powder 5 parts, aluminium powder 4 parts.
Embodiment five
A kind of increased thermal conductivity photo-cured coating, is made up of by mass parts following raw material: along 30 parts, Ding Xier acid anhydrides, methacrylic acid cyclohexanol 65 parts, methyl methacrylate 25 parts, epoxy resin 17 parts, tetraethoxy 30 parts, sodium laurylsulfonate 15 parts, solvent 25 parts, wetting agent 1.5 parts, dispersion agent 6 parts, flow agent 3 parts, light trigger 4 parts, white carbon black 5 parts, iron powder 2.5 parts, aluminium powder 2.5 parts.
Embodiment six
A kind of increased thermal conductivity photo-cured coating, is made up of by mass parts following raw material: along 30 parts, Ding Xier acid anhydrides, methacrylic acid cyclohexanol 75 parts, methyl methacrylate 25 parts, epoxy resin 14 parts, tetraethoxy 24 parts, sodium laurylsulfonate 12 parts, solvent 19 parts, wetting agent 1.5 parts, dispersion agent 6 parts, flow agent 5 parts, light trigger 4 parts, white carbon black 3 parts, iron powder 3.5 parts, aluminium powder 3.5 parts.
Although with reference to explanatory embodiment of the present invention, invention has been described here, above-described embodiment is only the present invention's preferably embodiment, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
Claims (8)
1. an increased thermal conductivity photo-cured coating, is characterized in that: be made up of by mass parts following raw material: along Ding Xier acid anhydrides 15-30 part, methacrylic acid cyclohexanol 40-75 part, methyl methacrylate 15-25 part, epoxy resin 9-17 part, tetraethoxy 20-30 part, sodium laurylsulfonate 5-15 part, solvent 15-25 part, wetting agent 0.5-1.5 part, dispersion agent 3-6 part, flow agent 2-5 part, light trigger 1-4 part, white carbon black 1-5 part, iron powder 2-5 part, aluminium powder 1-4 part.
2. increased thermal conductivity photo-cured coating according to claim 1, is characterized in that: described solvent adopts concentration to be the vinyl acetic monomer of 10-15wt%, ethanol, one or more the aqueous solution of 1-Methoxy-2-propyl acetate.
3. increased thermal conductivity photo-cured coating according to claim 1, is characterized in that: described wetting agent adopt aliphatic polymer in modification poly(silicon aether) and polyoxyethylene glycol one or more.
4. increased thermal conductivity photo-cured coating according to claim 1, is characterized in that: described dispersion agent adopt glyceryl monostearate (GMS), polyoxyethylene glycol and Tristearoylglycerol (HTG) one or more.
5. increased thermal conductivity photo-cured coating according to claim 1, is characterized in that: described flow agent adopt acrylic resin, urea-formaldehyde resin and terpolycyantoamino-formaldehyde resin one or more.
6. increased thermal conductivity photo-cured coating according to claim 1; it is characterized in that: described light trigger adopts benzoin dimethylether, 2-hydroxy-2-methyl-1-phenyl-acetone (UV-1173), 2; in 4,6-trimethylbenzoy-dipheny phosphine oxide (TPO) and methyl benzoylformate (MBF) one or more.
7. increased thermal conductivity photo-cured coating according to claim 1, is characterized in that: described iron particle size adopts 500-600 order.
8. increased thermal conductivity photo-cured coating according to claim 1, is characterized in that: described aluminum powder particle size adopts 500-600 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339465.4A CN104945980A (en) | 2015-06-18 | 2015-06-18 | Photocurable coating with improved thermal conductivity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339465.4A CN104945980A (en) | 2015-06-18 | 2015-06-18 | Photocurable coating with improved thermal conductivity |
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| CN104945980A true CN104945980A (en) | 2015-09-30 |
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| CN201510339465.4A Pending CN104945980A (en) | 2015-06-18 | 2015-06-18 | Photocurable coating with improved thermal conductivity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462446A (en) * | 2015-11-24 | 2016-04-06 | 安徽家德利门业有限公司 | Door UV-curable paint and preparation method thereof |
| CN107384142A (en) * | 2017-08-25 | 2017-11-24 | 山东海思蓝高分子材料有限公司 | A kind of new weld seam coating and preparation method thereof and application method |
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| CN1392885A (en) * | 2000-07-27 | 2003-01-22 | 三井化学株式会社 | Polyamic acid, polyimide, process for producing these and film formed from them |
| CN101045833A (en) * | 2007-04-11 | 2007-10-03 | 江苏工业学院 | Preparation metod of modified ultroviolet light solidified wooden articles paint by in-situ method |
| CN104496275A (en) * | 2015-01-06 | 2015-04-08 | 山西省交通科学研究院 | Silty soil roadbed solidifying agent and preparation method thereof |
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2015
- 2015-06-18 CN CN201510339465.4A patent/CN104945980A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392885A (en) * | 2000-07-27 | 2003-01-22 | 三井化学株式会社 | Polyamic acid, polyimide, process for producing these and film formed from them |
| CN101045833A (en) * | 2007-04-11 | 2007-10-03 | 江苏工业学院 | Preparation metod of modified ultroviolet light solidified wooden articles paint by in-situ method |
| CN104496275A (en) * | 2015-01-06 | 2015-04-08 | 山西省交通科学研究院 | Silty soil roadbed solidifying agent and preparation method thereof |
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| 陈兰等: "高附着力单组份环氧改性丙烯酸涂料的制备", 《上海涂料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462446A (en) * | 2015-11-24 | 2016-04-06 | 安徽家德利门业有限公司 | Door UV-curable paint and preparation method thereof |
| CN107384142A (en) * | 2017-08-25 | 2017-11-24 | 山东海思蓝高分子材料有限公司 | A kind of new weld seam coating and preparation method thereof and application method |
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Application publication date: 20150930 |