CN1760292A - Heat insulated anticorrosive coating for coiled material, and fabricating method - Google Patents
Heat insulated anticorrosive coating for coiled material, and fabricating method Download PDFInfo
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- CN1760292A CN1760292A CN 200410051839 CN200410051839A CN1760292A CN 1760292 A CN1760292 A CN 1760292A CN 200410051839 CN200410051839 CN 200410051839 CN 200410051839 A CN200410051839 A CN 200410051839A CN 1760292 A CN1760292 A CN 1760292A
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Abstract
A paint for the coiled insulating and anticorrosion material is prepared from special polyester resin, high etherified cross-linking resin and pigment, functional insulating filler, special chemical assistant and solvent through proportional mixing, dispersing, grinding, adding insulating filler, etc. Its advantages are no poison and pollution, high flame-retarding and insulating effect, and high resistance to ageing and corrosion.
Description
Technical field
The present invention relates to a kind of heat insulating and corrosion coil coating and manufacture method thereof, it belongs to the chemical composition technical field.
Background technology
Steel plate galvanized coiled material, color steel sheet coiled material on market all do not possess heat insulating function at present.Hide as watt being used for the roof, can make room temp rise to 40～50 ℃ during the broiling summer, toast scorching hot, unbearably extremely hot with zinc-plated watt of the compacting of this type of steel plate, color steel.In order to address this problem, the someone develops the thermal insulating coating that is used to build roof (cement face, encaustic tile face) and exterior wall in recent years.But these coating all belong to self-drying type retouching paint class, are not suitable for the cold rolled sheet coated technique of automatic production line operation.
The color steel sheet of common coil coating coating, place under the sunlight why absorb heat, heat release, heat conduction, be because the pigment (especially dark pigment) in the coating absorbs infrared energy and changes into the result of heat energy.At present, though existing people develops self-drying type retouching paint class thermal insulating coating on the market, for example Japanese Patent No. is that infrared light reflection coating, the German patent of the disclosed a kind of outward appearance dark color of JP98-120946 are that infrared reflection coating, Chinese patent application publication number that DE19501114 introduces are the heat-reflecting insulating coating introduced of CN1434063A etc., no matter be solvent borne or water miscible product, all belong to from dry finishing apotype class coating, film forming matter resin or the materials such as emulsion, solvent of using all are not suitable for drying-type coating; And present drying-type coil coating lacks heat insulating function.Even at present this medium-sized coil coating adds lagging material, because the heat-blocking action of coating, on-line velocity is that 1 meter per second is above, baking tunnel has only 40～60 meters long, Control for Kiln Temperature also can't dry on 300～320 ℃ flow production line.If improve furnace temperature, the coatingsurface heating temperature is too high, and coating can the coking flavescence.As mentioned above, owing to also fail to solve thermal insulating coating flash baking solidified difficult problem under technological temperature at present, also be not suitable for the heat insulating and corrosion coil coating that the flow production line baking tunnel is used.
Summary of the invention
Purpose of the present invention provides a kind of and can be suitable for the heat insulating and corrosion coil coating (i.e. " former factory lacquer ") that the flow production line baking tunnel is used by the flash baking solidified under technological temperature.
The technical solution adopted for the present invention to solve the technical problems is that heat insulating and corrosion coil coating, its special character are that its starting material contain:
Table-1 heat insulating and corrosion coil coating prescription
| Sequence number | Starting material | Weight (part) |
| 1 2 3 4 5 6 7 8 9 10 11 12 | The high etherified amino resins titanium dioxide of solvent naphtha dibasic acid dimethyl ester coil coating polyester resin special END CAPPED GROUP lightweight silicic acid aluminum coupling agent dispersant anti-settling agent thixotropic agent high temperature deblocking catalyst thermal insulating filling | 7.0～12.0 3.0～8.0 50.0～55.0 5.0～10.0 11.0～16.0 3.0～8.0 0.5～1.5 0.5～1.5 1.5～3.0 0.5～2.0 1.5～3.0 16.0～21.0 |
Described thermal insulating filling comprises two class materials, first cenosphere class material, it two is heat insulation oxide compounds, and cenosphere class material is that vacuum glass microballon or hollow ceramic microballon or flyash winnow enamel body cenosphere, accounts for 80% of thermal insulating filling combination general weight; Heat insulation oxide compound is nano silicon oxide or nano-titanium oxide, accounts for 20% of thermal insulating filling combination general weight.
Cenosphere material in the described thermal insulating filling has following feature: outward appearance is white fines, particle diameter 5～40 μ m, ball-type rate 95%, specific surface area 1.9m
2/G (with 5 μ m examples), luminous reflectance factor＞80%, light diffusion rate 80～88%, optical index 1.60～1.80%, specific heat (40～800 ℃) 0.27 card/gram/℃, 0.0025 card/second of thermal conductivity/centimetre
2, thermal conductivity 0.06～0.12W/mk, main component is SiO
2, Na
2B
4O
7And Al
2O
3
Nano material in the described thermal insulating filling is (with nano silicon oxide SiO
xBe example) have following feature a: SiO
xBe unformed white ultramicro powder, particle diameter is little, and (5～15nm), specific surface area is (640～700m greatly
2/ g), luminous reflectance factor＞85%, to wavelength at the reflectivity of the infrared light of 800～1300nm up to 70～80%, heat reflection efficient is very good, and shows high weathering resistance and clean surfaces function.
Described high temperature deblocking catalyzer is aniline sulfonic acid (NH
2-C
6H
4-SO
3H).
Make the method for above-mentioned heat insulating and corrosion coil coating, comprise following steps:
The first step places the positive center of Liftable type speed control by frequency variation dispersion machine dispersion impeller with the paint scuffing of cylinder bore of 500L or 1000L earlier, frequency is transferred to per minute 500～600 revolutions start dispersion machine, under low shearing speed, press table-1 prescription sequence number (the nano material component in solvent, resin, pigment, coupling agent, dispersion agent, anti-settling agent, thixotropic agent and the thermal insulating filling composition) weighing, dispersed with stirring with electronic scale while feeding intake;
After the second step starting material had all been thrown, the dispersion machine frequency is transferred to per minute 1200 changeed high speed dispersion 30 minutes.Behind the mixing dispersion machine is risen, release scuffing of cylinder bore place vertical or horizontal sand mill by, use the plastic cement pipe coupling, start grinding (2～3 times) is to requiring fineness;
The 3rd step pushed back dispersion machine again with scuffing of cylinder bore, shear under (500～600 rev/mins) speed low, add the catalyzer in the formula ratio, the cenosphere material component in the thermal insulating filling composition, disperseed 20 minutes, notice that control liquid material temperature can not be above 40 ℃, after blending dispersion is even, paints surge pump the paint vehicle in the scuffing of cylinder bore is pumped into the filtration of 100 order vibratory screening apparatuss, promptly make the heat insulating and corrosion coil coating.
Above-mentioned its mechanism of heat insulation of heat insulating and corrosion coil coating comes from three aspects: the one, and spherical vacuum glass microballon (or aluminum silicate ceramic hollow beads or flyash winnow enamel body cenosphere) and nano material can be the reflection of sunlight heat energy, scattering or the bounce back skies more than 80% to infrared reflection of light, scattering and refraction action; The 2nd, the cenosphere structure that is adopted itself has determined its heat-blocking action on thermomechanical property.Thermal conductivity as the vacuum glass microballon (have only 0.06～0.12W/mk) to be thermodynamics poor conductor minimum in all lagging materials, so the remaining sunlight heat energy that it can absorb coating shields; The 3rd, the outer wall of cenosphere is fully airtight, make in the wall capsule gas (or forming vacuum state) can not with extraneous convective exchange, so it can intercept thermal conduction effectively, Here it is " thermos flask mechanism of heat insulation " that the inventor was referred to as to call.
Compare with common coil coating and self-drying type heat-reflecting insulating coating, the present invention has following advantage:
1. by heat reflection and heat rejection effect, reach best effect of heat insulation.The experiment proved that, during the broiling summer,, compare that can make room temp reduce by 8～12 ℃, the heat-insulating and energy-saving effect is extremely remarkable with the steel house of uncoated thermal insulating coating with roofing tile and the steel construction wall that coiled material thermal insulating coating of the present invention is made.
2. owing to contain enamel body materials such as glass or pottery in the thermal insulating filling, not only infrared light there is reflex action, UV-light there is reflex action equally, thereby prevented destructions such as UV-light is aging to the caused film forming matter of the photochemical reaction of coating, efflorescence, cracking, strengthened the weathering resistance of coating.Simultaneously, this class enamel body material is again a corrosion resistant material, adds composition as filler, has given the corrosion resistance nature of coating excellence.
3. in the coating combination, select high temperature deblocking catalyzer for use, can make the high etherified amino resins of END CAPPED GROUP deblocking when middle low temperature (120～150 ℃), impelled itself and vibrin that quick crosslinking reaction takes place.The high etherified amino resins of END CAPPED GROUP is stable at normal temperatures, and this helps the package stability of finished product lacquer.
4. good decorative property, the quality exquisiteness, outward appearance is level and smooth, and rainwater is self-cleaning, and dust stratification dirt is protected light and is protected look, is difficult for xanthochromia, and paint film is more than 10 years work-ing life.
5. comprehensive mechanical performance is good, and indexs such as paint film adhesion, shock resistance, resistance to marring, physical hardness all meet or exceed the state of the art of common coil coating.
6. economical and practical, reduce cost, cost saving improves the economic and social benefits significantly.This point has fully been showed the most wide application prospect of the present invention.
Embodiment
The present invention is described in more detail below in conjunction with specific embodiment.
Be depicted as the proportioning raw materials of two kinds of heat insulating and corrosion coil coatings as table-2:
The proportioning raw materials of-2 two kinds of heat insulating and corrosion coil coatings of table
| Operation | The starting material title | Embodiment, kg | |
| Example 1 | Example 2 | ||
| The first step predissolve | 150# solvent oil dibasic acid dimethyl ester XD8560 vibrin SN8000 aminoresin | 10.0 4.0 50.0 8.0 | 9.0 5.0 50.0 8.0 |
| The second step blending dispersion is ground | R828 titanium dioxide 800 order lightweight pure aluminium silicate nanometer SiO X 〔1〕/TiO X 〔2〕TM-501 coupling agent TM-108 hyper-dispersant TM-118 anti-settling agent F-881C thixotropic agent | 12.0 3.0 3.5 1〕 0.5 1.0 1.5 0.7 | 11.0 5.0 4.0 〔2〕 0.5 1.0 1.5 1.0 |
| The 3rd step back is mixed and is disperseed | TM-518 cenosphere TM-504 catalyzer | 14.0 1.5 | 16.0 1.5 |
Binder resin described in the table, what select for use is that the model of coil coating special use is the saturated polyester of XD8560; What amino cross-linked resin was selected for use is that the high degree of etherification of END CAPPED GROUP, model are the SN8000 melamine urea-formaldehyde resin.
Thermal insulating filling described in the table comprises two class materials, first cenosphere class material, it two is heat insulation nano oxide compounds, cenosphere class material is that TM-518 vacuum glass microballon or TM-519 hollow ceramic microballon or TM-520 flyash winnow enamel body cenosphere, accounts for 80% of thermal insulating filling combination general weight; The heat insulation nano oxide compound is nano silicon oxide (SiO
x) or nano-titanium oxide (TiO
x), account for 20% of thermal insulating filling combination general weight.
Coatings additive(s) described in the table comprises: TM-401 or TM-501 titanate coupling agent, TM-108 hyper-dispersant, TM-118 anti-settling agent, F881C thixotropic agent and TM-504 high temperature deblocking catalyzer (aniline sulfonic acid (NH
2-C
6H
4-SO
3H)).
The raw material product of above model all has sale on Chemical market, also can find direct production producer on Chinese coating website.
The preparation method of the foregoing description 1 and example 2 (being example with embodiment 1 only) is described as follows:
The first step places the positive center of Liftable type speed control by frequency variation dispersion machine dispersion impeller with the paint scuffing of cylinder bore of 200L earlier, frequency is transferred to per minute 500～600 revolutions start the dispersion machine switch, under low shearing speed, miscible in advance with electronic scale by table-2 prescription sequence numbers (150# solvent oil, dibasic acid dimethyl ester, XD8560 vibrin, SN8000 aminoresin), mix while feeding intake;
After above-mentioned resin liquid of second step was miscible, dispersed with stirring added nanometer SiO in R828 titanium dioxide, lightweight pure aluminium silicate, TM-501 coupling agent, TM-108 dispersion agent, TM-118 anti-settling agent, F-881C thixotropic agent and the thermal insulating filling composition while feeding intake by formula ratio again
X (1)/ TiO
X (2)Component.After all having thrown, the dispersion machine frequency is transferred to per minute 1200 changes high speed dispersion 30 minutes.Behind the mixing dispersion machine is risen, release scuffing of cylinder bore place vertical or horizontal sand mill by, use the plastic cement pipe coupling, start grinding (2～3 times) is to requiring fineness;
The 3rd step pushed back dispersion machine again with scuffing of cylinder bore, shear under (500～600 rev/mins) speed low, add the TM-504 catalyzer in the formula ratio, the TM-518 cenosphere material component in the thermal insulating filling composition, disperse 20 minutes (note control liquid material temperature can not above 40 ℃), after blending dispersion is even, paint surge pump the paint vehicle in the scuffing of cylinder bore is pumped into the filtration of 100 order vibratory screening apparatuss, promptly make the heat insulating and corrosion coil coating.
Heat insulating and corrosion coil coating physical and chemical index is shown in table-3:
Table-3 heat insulating and corrosion coil coating physical indexs
| Project | Index | The method of inspection |
| #Density, g/cm 3 | 0.8～1.0 | GB/T1725-89 |
| #Fineness, μ m | 18～25 | GB/T1724-89 |
| Viscosity (being coated with-4 glasss, 25 ℃), s | 80～120 | GB/T1723-93 |
| The color of filming and outward appearance | Smooth smooth, Δ E≤0.5 | GB/T9761-88 |
| Gloss (60 °) | 20～90 | GB/T9754-88 |
| The T pliability test, t | 1～2 | GB/T12754-91 |
| Drawing test, mm 〉= | 8 | GB/T9753-88 |
| *Anti-MEK wiping (back and forth for once) 〉= | 100 | NCCA II-18 |
| Shock-resistance, J 〉= | 9 | ASTM D1794-93 |
| Pencil hardness, H 〉= | 2 | GB/T6739-96 |
| Heat-proof quality (comparing than the temperature difference) with control board 〉= | 8 | Q/DLT002-2003 |
| *Artificial ageing resistance (1000hr) | Loss of gloss one-level, variable color secondary | GB/T1965-97 |
| *Salt fog resistance (500hr) | Outer corrosion≤2mm rules | ASTM B117/73 |
Annotate: # is relevant with the gloss of filming; * need supporting priming paint.
Finished product coating can adopt spraying or method of roll coating, uses diluent to adjust the viscosity construction.Be applicable to that 40～80 meters/minute of linear velocities, 300～320 ℃ of furnace temperature, 220～240 ℃ of plate temperature, curing speed requirement are in 40～60 seconds the processing condition and the coating operation of tunnel like drying automation strip coil painting production line.Its typical application technical parameter is shown in table-4:
Table-4 heat-insulating anti-corrosive coating utilisation technology parameters
| Project | Index | Remarks | |
| Build, μ m | 28～32 | Relevant with set time | |
| Solidification value, ℃ | Furnace temperature | 300～320 | |
| The plate temperature | 220～240 | ||
| The linear speed that adapts to, m/min | 40～60 | ||
| Supporting priming paint | The precoating anti-corrosion primer | Select YB5268H priming paint for use | |
Claims (6)
1. heat insulating and corrosion coil coating is characterized in that its starting material contain:
Raw-material weight (part)
Coil coating polyester resin special 50.0-55.0
The high etherified amino resins 5.0-10.0 of END CAPPED GROUP
Solvent oil 7.0-12.0
Dibasic acid dimethyl ester 3.0-8.0
Titanium dioxide 11.0-16.0
Lightweight pure aluminium silicate 3.0-8.0
Thermal insulating filling 16.0-21.0
Coupling agent 0.5-1.5
Dispersion agent 0.5-1.5
Anti-settling agent 1.5-3.0
Thixotropic agent 0.5-2.0
High temperature deblocking catalyzer 1.5-3.0
2. heat insulating and corrosion coil coating according to claim 1, it is characterized in that: described thermal insulating filling comprises two class materials, first cenosphere class material, it two is nano-oxides, cenosphere class material is that vacuum glass microballon or hollow ceramic microballon or flyash winnow enamel body cenosphere, accounts for 80% of thermal insulating filling combination general weight; The nano heat-insulating oxide compound is nano silicon oxide or nano-titanium oxide, accounts for 20% of thermal insulating filling combination general weight.
3. heat insulating and corrosion coil coating according to claim 2 is characterized in that: the cenosphere material in the described thermal insulating filling has following feature:
Outward appearance is white fines, particle diameter 5-40 μ m, ball-type rate 95%, specific surface area 1.9m
2/ g (with 5 μ m examples), luminous reflectance factor＞80%, light diffusion rate 80-88%, optical index 1.60-1.80%, specific heat (40-800 ℃) 0.27 card/gram/℃, 0.0025 card/second of thermal conductivity/centimetre
2, thermal conductivity 0.06-0.12W/mk, main component is SiO
2, Na
2B
4O
7And Al
2O
3
4. according to claim 2 or 3 described heat insulating and corrosion coil coatings, it is characterized in that: the nano material in the described thermal insulating filling (is example with the nano silicon oxide) has following feature:
Nano silicon oxide is unformed white ultramicro powder, particle diameter little (5-15nm), the big (640-700m of specific surface area
2/ g), luminous reflectance factor＞85%, to wavelength at the reflectivity of the infrared light of 800-1300nm up to 70-80%.
5. heat-insulating anti-corrosive coating according to claim 1 is characterized in that: described high temperature deblocking catalyzer is aniline sulfonic acid (NH
2-C
6H
4-SO
3H).
6. the method for heat insulating and corrosion coil coating, it comprises following steps:
The first step places the positive center of Liftable type speed control by frequency variation dispersion machine dispersion impeller with the paint scuffing of cylinder bore of 500L or 1000L earlier, frequency is transferred to per minute 500～600 revolutions start the dispersion machine switch, under low shearing speed, press the weighing of prescription sequence number (the nano material component in solvent, resin, pigment, coupling agent, dispersion agent, anti-settling agent, thixotropic agent and the thermal insulating filling composition), dispersed with stirring with electronic scale while feeding intake;
After the second step starting material had all been thrown, the dispersion machine frequency is transferred to per minute 1200 changeed high speed dispersion 30 minutes.Behind the mixing dispersion machine is risen, release scuffing of cylinder bore place vertical or horizontal sand mill by, use the plastic cement pipe coupling, start grinding (2 ~ 3 times) is to requiring fineness;
The 3rd step pushed back dispersion machine again with scuffing of cylinder bore, shear under (500～600 rev/mins) speed low, add the catalyzer in the formula ratio, the cenosphere material component in the thermal insulating filling composition, disperseed 20 minutes, notice that control liquid material temperature can not be above 40 ℃, after blending dispersion is even, paints surge pump the paint vehicle in the scuffing of cylinder bore is pumped into the filtration of 100 order vibratory screening apparatuss, promptly make the heat insulating and corrosion coil coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100518394A CN100497505C (en) | 2004-10-15 | 2004-10-15 | Heat insulated anticorrosive coating for coiled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100518394A CN100497505C (en) | 2004-10-15 | 2004-10-15 | Heat insulated anticorrosive coating for coiled material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1760292A true CN1760292A (en) | 2006-04-19 |
| CN100497505C CN100497505C (en) | 2009-06-10 |
Family
ID=36706524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100518394A Expired - Fee Related CN100497505C (en) | 2004-10-15 | 2004-10-15 | Heat insulated anticorrosive coating for coiled material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101186779B (en) * | 2007-12-10 | 2010-05-19 | 华南理工大学 | Halogen-free anti-flaming transparent unsaturated polyester insulated dope and preparation method thereof |
| CN101531860B (en) * | 2009-04-09 | 2011-04-13 | 江苏兰陵高分子材料有限公司 | Low-temperature curing color coiled material paint and method for preparing same |
| CN102166564A (en) * | 2011-04-20 | 2011-08-31 | 浙江华东轻钢建材有限公司 | Manufacture method of color plate for environment-friendly decoration |
| CN102199391A (en) * | 2011-04-20 | 2011-09-28 | 浙江华东轻钢建材有限公司 | PE (Polyethylene) coating agent and application method thereof |
| CN102788228A (en) * | 2012-08-06 | 2012-11-21 | 衡阳星鑫绝缘材料有限公司 | High-temperature heat-insulation glass fiber composite bushing and production method thereof |
| CN102019728B (en) * | 2009-09-18 | 2013-12-11 | 鞍钢股份有限公司 | Heat-insulating and weather-resistant environmentally-friendly color plate and preparation method thereof |
| CN104031534A (en) * | 2014-06-26 | 2014-09-10 | 立邦工业涂料(上海)有限公司 | Novel single-painted polyester coating and preparation method thereof |
| CN108103789A (en) * | 2017-12-11 | 2018-06-01 | 浙江港流高分子科技股份有限公司 | A kind of hydrofluoric acid resistant anti-corrosion coiled material and preparation method thereof |
| CN111334179A (en) * | 2020-04-14 | 2020-06-26 | 烟台华恒节能科技有限公司 | Preparation method of impact-resistant heat-insulating polymer coating |
-
2004
- 2004-10-15 CN CNB2004100518394A patent/CN100497505C/en not_active Expired - Fee Related
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| CN101186779B (en) * | 2007-12-10 | 2010-05-19 | 华南理工大学 | Halogen-free anti-flaming transparent unsaturated polyester insulated dope and preparation method thereof |
| CN101531860B (en) * | 2009-04-09 | 2011-04-13 | 江苏兰陵高分子材料有限公司 | Low-temperature curing color coiled material paint and method for preparing same |
| CN102019728B (en) * | 2009-09-18 | 2013-12-11 | 鞍钢股份有限公司 | Heat-insulating and weather-resistant environmentally-friendly color plate and preparation method thereof |
| CN102166564A (en) * | 2011-04-20 | 2011-08-31 | 浙江华东轻钢建材有限公司 | Manufacture method of color plate for environment-friendly decoration |
| CN102199391A (en) * | 2011-04-20 | 2011-09-28 | 浙江华东轻钢建材有限公司 | PE (Polyethylene) coating agent and application method thereof |
| CN102788228A (en) * | 2012-08-06 | 2012-11-21 | 衡阳星鑫绝缘材料有限公司 | High-temperature heat-insulation glass fiber composite bushing and production method thereof |
| CN102788228B (en) * | 2012-08-06 | 2015-05-27 | 湖南星鑫航天新材料股份有限公司 | Production method for high-temperature heat-insulation glass fiber composite bushing |
| CN104031534A (en) * | 2014-06-26 | 2014-09-10 | 立邦工业涂料(上海)有限公司 | Novel single-painted polyester coating and preparation method thereof |
| CN108103789A (en) * | 2017-12-11 | 2018-06-01 | 浙江港流高分子科技股份有限公司 | A kind of hydrofluoric acid resistant anti-corrosion coiled material and preparation method thereof |
| CN108103789B (en) * | 2017-12-11 | 2020-06-16 | 浙江港流高分子科技股份有限公司 | Hydrofluoric acid-resistant anticorrosive coiled material and preparation method thereof |
| CN111334179A (en) * | 2020-04-14 | 2020-06-26 | 烟台华恒节能科技有限公司 | Preparation method of impact-resistant heat-insulating polymer coating |
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|---|---|
| CN100497505C (en) | 2009-06-10 |
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