CN102453427A - Thermal insulating coating, and preparation method and application method thereof - Google Patents
Thermal insulating coating, and preparation method and application method thereof Download PDFInfo
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Abstract
The invention provides a thermal insulating coating, and a preparation method and an application method thereof. The thermal insulating coating disclosed in the invention comprises a resin component and a cured component, wherein the resin component comprises a matrix resin, a thermal insulating material, padding, auxiliaries and water; the matrix resin is an acrylate modified hydrophilic fluororesin; the cured component comprises a curing agent; and the curing agent is a hydrophilic isocyanate curing agent. The coating layer formed from the thermal insulating coating is good in hardness, adhesion and weather fastness, and excellent in thermal insulating effect.
Description
Technical field
The invention belongs to and relate to a kind of coating, especially a kind of thermal insulating coating and preparation method thereof and method of use.
Background technology
Along with being becoming increasingly acute of energy problem, countries in the world have also begun the research of energy-saving system when tapping a new source of energy.The building heat preserving thermal-insulating system is the important component part of energy-saving system, and also receives the extensive concern of countries in the world as the insulating mold coating of building surface, and the various insulating mold coating of performance produces thus.
Thermal insulating coating can be widely used in dwelling house, factory building, grain warehouse storehouse and petrochemical complex storage tank, and isolated extraneous heat is to keep inner lower temperature.During the broiling summer, because the radiation of the sun, the metal of petrochemical complex and cement storage tank surface temperature be up to five or six ten degree, and jar interior temperature even can be higher not only causes a large amount of vapour loss, contaminate environment, and can cause danger.Tradition brushing silver paint and the cooling of use spray water, etching apparatus wastes energy, and service life of equipment is short, only has 1 year.Well behaved thermal insulating coating can be widely used in the workshop and the covil construction of factory, effectively reduces temperature in the room, saves a large amount of air conditioner energy sources.
Used in the market thermal insulating coating major part is the oiliness system, and a large amount of VOC dischargings is arranged in the construction process, does not meet the economic trend of environmental protection low-carbon (LC).In order to adapt to the demand of environmental protection, a kind of coating is disclosed in the prior art, adopt urethane, epoxy resin, organosilicon acrylic resin and pure third resin, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane etc. as water-base resin.But hardness, sticking power, the weathering resistance of the coating that the thermal insulating coating that adopts above-mentioned various water-base resin to prepare as matrix resin forms are lower, have influenced the use properties of coating.
Summary of the invention
In order to overcome the problem of coating hardness that thermal insulating coating of the prior art forms, sticking power, weathering resistance difference, the invention provides a kind of thermal insulating coating, the coating hardness, sticking power, the good weatherability that form through this thermal insulating coating, and effect of heat insulation is excellent.
Thermal insulating coating disclosed by the invention comprises resin Composition and curing component, and wherein, said resin Composition comprises matrix resin, lagging material, filler, auxiliary agent and water; Said matrix resin is acrylate modified hydrophilic fluoro-resin; Said curing component comprises solidifying agent, and said solidifying agent is the water-based isocyanate solidifying agent.
The invention also discloses the preparation method of above-mentioned thermal insulating coating simultaneously, comprise matrix resin, lagging material, filler, auxiliary agent and water are mixed, disperse, grind, obtain resin Composition; Said resin Composition is formed thermal insulating coating with the curing component that contains the water-based isocyanate solidifying agent.
Further, the invention also discloses the method for use of above-mentioned thermal insulating coating, comprise resin Composition is mixed with curing component, be coated on substrate surface then, place 7-15d at 60-80 ℃ of baking 30-60min or normal temperature.
The present invention adopts acrylate modified hydrophilic fluoro-resin as matrix resin; And combine water-based isocyanate can make coating in the good curing of substrate surface as solidifying agent; Obtain the very high coating of sticking power, simultaneously, its hardness and weather resistance are also very excellent.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the present invention is solved, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Thermal insulating coating disclosed by the invention is a two-component coating, promptly known resin Composition and the curing component of comprising, in use with resin Composition with use after curing component mixes.According to the present invention, this thermal insulating coating comprises resin Composition and curing component, and wherein, said resin Composition comprises matrix resin, lagging material, filler, auxiliary agent and water; Said matrix resin is acrylate modified hydrophilic fluoro-resin; Said curing component comprises solidifying agent, and said solidifying agent is the water-based isocyanate solidifying agent.
The matrix resin that adopts among the present invention is acrylate modified hydrophilic fluoro-resin, and under the preferable case, in the said matrix resin, said acrylate content is 10-30wt%, and more preferably acrylate content is 12-18wt%.
Simultaneously, in order further to improve the performance of coating, for matrix resin disclosed by the invention, under the preferable case, its weight-average molecular weight is 2000-7000, more preferably 2500-5000.
Further, also contain reactive group in the matrix resin disclosed by the invention, said reactive group is selected from one or more in carboxyl, hydroxyl, the amido; The content of reactive group is 1-5wt% in the said matrix resin, is preferably 2.0-3.5wt%.
The acrylate modified hydrophilic fluoro-resin that meets above-mentioned condition can be commercially available, for example the Dalian ZB-F600 FEVE water-based fluororesin of nation that shakes.
For thermal insulating coating disclosed by the invention, wherein, said lagging material can adopt this area various lagging materials commonly used, for example one or more in hollow glass microbead, hollow ceramic microballon, the closed-cell expanded perlite.In the present invention, under the preferable case, said lagging material adopts the hollow glass microbead of coated by titanium dioxide and/or the hollow ceramic microballon of coated by titanium dioxide.The addition of said lagging material can change in a big way, is the addition that this area is commonly used, under the preferable case, is benchmark with the content of matrix resin, and the content of said lagging material is 10-50wt%, more preferably 15-30wt%.Above-mentioned lagging material can be commercially available, the Q-CEL 5020 of baud company for example, 34P30.Hollow glass microbead that adopts in the thermal insulating coating disclosed by the invention and/or hollow ceramic microballon are white powder; Because hollow glass microbead and/or hollow ceramic microballon are that hollow ball shape, density are little and thermal conductivity is little; After the coating drying; Hollow glass microbead and/or hollow ceramic microballon are closely lined up, and form a complete hollow sealing coat, not only have good effect of heat insulation; Also have the excellent sound insulation effect, have one deck TiO at above-mentioned hollow glass microbead and/or hollow ceramic bead surface
2Film is because TiO
2Sunshine reflectivity high, strengthen its reflected solar radiation and stop heat conducting ability, and then reach heat insulation purpose.Have multiple functions such as energy-conservation, sound insulation, heat-insulation and heat-preservation with its thermal insulating coating as lagging material preparation.For lagging material disclosed by the invention, under the preferable case, median size is the 800-2000 order, is preferably the 1000-1500 order.
Equally, said filler can adopt this area various fillers commonly used, and under the preferable case, in the present invention, said filler is selected from one or more in lime carbonate, permanent white, talcum powder, mica powder, kaolin, silica powder, the zeyssatite.The addition of said filler is known in those skilled in the art, under the preferable case, in the said resin Composition, is benchmark with the content of matrix resin, and the content of filler is 20-40wt%, more preferably 25-35wt%.The median size of the filler that adopts in the thermal insulating coating disclosed by the invention can change in a big way, and under the preferable case, the median size of said filler is the 800-3000 order, is preferably the 1000-2000 order.
In order to make coating have the excellent comprehensive performance; Also contain auxiliary agent in the thermal insulating coating disclosed by the invention; Above-mentioned auxiliary agent is this area various auxiliary agents commonly used, and under the preferable case, said auxiliary agent contains one or more in wetting agent, flow agent, skimmer or the thickening material.The addition of above-mentioned auxiliary agent also can change in a big way, under the preferable case, is benchmark with the content of matrix resin, and said auxiliary agent content is 3-10wt%, more preferably 4-8wt%.
According to the present invention; Wherein, The kind of said wetting agent and consumption are conventionally known to one of skill in the art; Said wetting agent refers to any material that can improve the inner mineral dye of coating, the dispersion state of filler in said resin, and mostly they are to contain the high molecular weight block copolymer solution of pigment affinity groups.Specifically can select among the DISPERBYK-163, DISPERBYK-164, DISPERBYK-110, DISPERBYK-111, DISPERBYK-190 etc. of BYK company one or more for use.For the wetting agent that adopts among the present invention, its content can change in a big way, under the preferable case, is benchmark with the content of matrix resin, and said wetting agent content is 1-4wt%, more preferably 2.5-3.5wt%.
The kind of said flow agent and consumption are conventionally known to one of skill in the art.For example, said flow agent can be selected among EFKA3883, EFKA3886, EFKA3600, BYK366, BYK333, BYK331, DEGO410, DEGO435, the DEGO432 one or more.Wherein EFKA series is Dutch Ai Fuka Company products, and BYK series is the BYK Company products, and DEGO series is the high Company products of German enlightening.Flow agent can improve the flow leveling that is coated with rete behind the paint solidification, increases the smoothness and the feel that are coated with rete.For the flow agent that adopts among the present invention, its content can change in a big way, under the preferable case, is benchmark with the content of matrix resin, and said flow agent content is 0.4-1wt%, more preferably 0.5-0.8wt%.
According to thermal insulating coating provided by the invention; The kind of said skimmer is as well known to those skilled in the art; For example; Said skimmer can be selected AFCONA2020, AFCONA2022, AFCONA2720 and the AFCONA2722 of the dust husband Kona company that is purchased, the BYK-011 of BYK company, BYK-A530 and BYK066N for use.For the skimmer that adopts among the present invention, its content can change in a big way, under the preferable case, is benchmark with the content of matrix resin, and said antifoam content is 0.5-2wt%, more preferably 0.8-1.6wt%.
Said thickening material is this area various thickening materials commonly used, and for example, said thickening material can be selected the BYK-420 of the BYK company that is purchased for use, one or more among the Rheovis CR of vapour Bagong department, Rheovis CRZ, the Rheovis CRX.For the thickening material that adopts among the present invention, its content can change in a big way, under the preferable case, is benchmark with the content of matrix resin, and said amount of thickener is 1.0-3.0wt%, more preferably 1.5-2.5wt%.
According to the present invention, the auxiliary agent in the said resin Composition can be one or more, is appreciated that the content of this kind auxiliary agent is the content of auxiliary agent in the said resin Composition when only containing a kind of auxiliary agent in the resin Composition.When containing multiple auxiliary agent in the resin Composition, the total content of this multiple auxiliary agent is the content of auxiliary agent in the said resin Composition.When containing multiple auxiliary agent in the resin Composition, the content of various auxiliary agents is not restriction each other, only the total content of the various auxiliary agents of employing is got final product in above-mentioned scope.
Thermal insulating coating disclosed by the invention is a water-borne coatings, promptly is solvent with water.Under the preferable case, be benchmark with the content of matrix resin, the content of water is 5-30wt%, further is preferably 10-30wt%.
Further, can also contain first solubility promoter and/or pigment in the resin Composition disclosed by the invention, said first solubility promoter is selected from one or more in propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, Diethylene Glycol butyl ether, the butyl glycol ether; Said pigment is selected this area pigment commonly used for use; For example can select in white titanium pigment, zinc sulfide white, phthalocyanine blue, red iron oxide, carbon black, azo class triarylmethane compound pigment, anthraquinone class pigment, phthalocyanine pigment, iso-indole ketone pigment, the triphen diazines pigment one or more for use, be preferably white titanium pigment, carbon black, iron oxide red, phthalocyanine pigment.The content of above-mentioned first solubility promoter and pigment can change in a big way; Under the preferable case; Content with matrix resin is benchmark; The content of said first solubility promoter is that the content of 2-10wt%, said pigment is 10-20wt%, and the content of more preferably said first solubility promoter is that the content of 3-6wt%, said pigment is 12-18wt%.
According to the present invention; The solidifying agent that adopts in the said curing component is the water-based isocyanate solidifying agent; For example said solidifying agent is selected from one or more in hydrophilic hexamethylene diisocyanate polymer, hydrophilic '-diphenylmethane diisocyanate polymer, hydrophilic tolylene diisocyanate polymer, the hydrophilic isophorone diisocyanate polymer; Be preferably in hydrophilic hexamethylene diisocyanate polymer, hydrophilic tolylene diisocyanate polymer, the hydrophilic isophorone diisocyanate polymer one or more, above-mentioned polymer is dimer, tripolymer or the tetramer; The content of above-mentioned solidifying agent can change in a big way, for example, is benchmark with the content of matrix resin, and the content of said solidifying agent is 10-25wt%, is preferably 10-20wt%.
Under the preferable case; Also contain second solubility promoter in the said curing component; Said second solubility promoter is selected from one or more in propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, Diethylene Glycol butyl ether, the butyl glycol ether; Content with matrix resin is benchmark, and the content of said second solubility promoter is 5-40wt%, is preferably 5-20wt%.
For above-mentioned thermal insulating coating; Can prepare through the various methods that prepare dual-component coating commonly used in the prior art; For example according to the present invention; The preparation method of above-mentioned thermal insulating coating comprises matrix resin, lagging material, filler, auxiliary agent and water is mixed, disperses, grinds, obtains resin Composition; Said resin Composition is formed thermal insulating coating with the curing component that contains the water-based isocyanate solidifying agent.
Concrete, can then above-mentioned mix products be mixed with matrix resin and lagging material earlier with filler, auxiliary agent and water mixed grinding, being uniformly dispersed to obtain said resin Composition.In resin Composition, also contain sometimes, can be with filler, first solubility promoter, pigment, auxiliary agent and water mixed grinding, and then mix with matrix resin and lagging material.For curing component, solidifying agent is uniformly dispersed to get final product, and when containing second solubility promoter in the curing component, can solidifying agent and second solubility promoter be mixed and gets final product.
Though first solubility promoter and second solubility promoter that adopt among the present invention are organism, its boiling point is higher than the limited field of VOC discharging, belongs to environmentally friendly solvent.
In addition, the invention also discloses the method for use of above-mentioned thermal insulating coating, comprise resin Composition is mixed with curing component, be coated on substrate surface then,, be preferably at 60-80 ℃ of baking 30-60min at 50-90 ℃ of baking 20-80min.Same, can also resin Composition be mixed with curing component, be coated on substrate surface then after, in normal temperature held 7-15d.
In the above-mentioned method of use, when resin Composition is mixed with curing component, be benchmark with the content of matrix resin, the content of said solidifying agent is 10-25wt%.
Through the heat insulating coat that aforesaid method forms at substrate surface, hardness, sticking power, good weatherability, and effect of heat insulation is excellent.
Through embodiment the present invention is further explained below.
Embodiment 1
Present embodiment is used to explain thermal insulating coating disclosed by the invention and preparation method thereof and method of use.
25 weight part talcum powder (median size is 1200 orders), 10 weight part permanent white (median size is 1500 orders) are mixed with 2 weight part BYK-190,1 weight part BYK-333,20 weight parts waters; 8 weight part Diethylene Glycol butyl ether, 10 weight part red iron oxides are mixed; Grind; (acrylate content is that 10wt%, weight-average molecular weight are 4000 to add the ester modified hydrophilic fluoro-resin of 100 parts by weight of acrylic acid then; The content of amido is 0.5wt%), 15 weight part hollow glass microbeads (median size is 1500 orders) mix, and are uniformly dispersed, and obtain resin Composition.
Adopt the 15 weight part hydrophilic hexamethylene diisocyanate tetramers to mix as curing component with 10 weight part Diethylene Glycol butyl ether.
Above-mentioned resin Composition and curing component are formed thermal insulating coating A1.
Resin Composition among the thermal insulating coating A1 and solidifying agent are mixed, be sprayed at the tinplate tin substrate surface then, in normal temperature held 7 days, obtain heat insulating coat sample S1 then.
Embodiment 2
Present embodiment is used to explain thermal insulating coating disclosed by the invention and preparation method thereof and method of use.
30 weight part mica powders (median size is 1500 orders) are mixed with 1.5 weight part BYK-190,1 weight part BYK-333,1.2 weight part BYK-420,0.8 weight part BYK-011,20 weight parts waters; 3 weight part 1-Methoxy-2-propyl acetates, 20 weight part phthalocyanine blue mixed grindings; (acrylate content is that 12wt%, weight-average molecular weight are 3000 to add the ester modified hydrophilic fluoro-resin of 100 parts by weight of acrylic acid then; The content of carboxyl is 3.0wt%), the hollow glass microbead (median size is 1200 orders) that coats of 50 parts by weight of titanium dioxide mixes; Be uniformly dispersed, obtain resin Composition.
Adopt 20 weight part hydrophilic hexamethylene diisocyanate trimers to mix as curing component with 10 weight part propylene glycol monomethyl ethers.
Above-mentioned resin Composition and curing component are formed thermal insulating coating A2.
Resin Composition among the thermal insulating coating A2 and solidifying agent are mixed, be sprayed at the tinplate tin substrate surface then, in 60 ℃ of baking 60min, obtain heat insulating coat sample S2 then.
Embodiment 3
Present embodiment is used to explain thermal insulating coating disclosed by the invention and preparation method thereof and method of use.
15 weight part talcum powder (median size is 1000 orders), 20 weight part mica powders (median size is 1000 orders) are mixed with 2 weight part BYK-190,0.5 weight part BYK-333,2 weight part BYK-420,1 weight part BYK-011,30 weight parts waters, 5 weight part propylene glycol monomethyl ethers, 15 weight part white titanium pigments; Grind; (acrylate content is that 10wt%, weight-average molecular weight are 5000 to add the ester modified hydrophilic fluoro-resin of 100 parts by weight of acrylic acid then; The content of hydroxyl is 1.5wt%), the hollow glass microbead (median size is 1000 orders) that coats of 20 parts by weight of titanium dioxide mixes; Be uniformly dispersed, obtain resin Composition.
15 weight part hydrophilic toluene diisocyanate trimers and 8 weight part propylene glycol monomethyl ethers are mixed, obtain curing component.
Above-mentioned resin Composition and curing component are formed thermal insulating coating A3.
Resin Composition among the thermal insulating coating A3 and solidifying agent are mixed, be sprayed at the tinplate tin substrate surface then, in 80 ℃ of baking 30min, obtain heat insulating coat sample S3 then.
Embodiment 4
Present embodiment is used to explain thermal insulating coating disclosed by the invention and preparation method thereof and method of use.
10 weight part talcum powder (median size is 1200 orders), 10 weight part mica powders (median size is 1500 orders) are mixed with 1.5 weight part BYK-190,1.0 weight part BYK-333,2 weight part BYK-420,0.8 weight part BYK-011,30 weight parts waters, 5 weight part propylene glycol monomethyl ethers, 15 weight part white titanium pigments; Grind; (acrylate content is that 20wt%, weight-average molecular weight are 4000 to add the ester modified hydrophilic fluoro-resin of 100 parts by weight of acrylic acid then; The content of hydroxyl is 2.5wt%), 20 weight part hollow glass microbeads (median size is 1000 orders) mix; Be uniformly dispersed, obtain resin Composition.
20 weight part hydrophilic isophorone diisocyanate trimers and 10 weight part propylene glycol monomethyl ethers are mixed, obtain curing component.
Above-mentioned resin Composition and curing component are formed thermal insulating coating A4.
Resin Composition among the thermal insulating coating A4 and solidifying agent are mixed, be sprayed at the tinplate tin substrate surface then, in 80 ℃ of baking 30min, obtain heat insulating coat sample S4 then.
Embodiment 5
Present embodiment is used to explain thermal insulating coating disclosed by the invention and preparation method thereof and method of use.
15 weight part talcum powder (median size is 800 orders), 10 weight part mica powders (median size is 1000 orders) are mixed with 3 weight part BYK-190,0.8 weight part BYK-333,2 weight part BYK-420,0.8 weight part BYK-011,20 weight parts waters, 5 weight part propylene glycol monomethyl ethers, 15 weight part white titanium pigments; Grind; (acrylate content is that 15wt%, weight-average molecular weight are 4000 to add the ester modified hydrophilic fluoro-resin of 100 parts by weight of acrylic acid then; The content of hydroxyl is 2.5wt%), the hollow glass microbead (median size is 1000 orders) that coats of 30 parts by weight of titanium dioxide mixes; Be uniformly dispersed, obtain resin Composition.
20 weight part hydrophilic hexamethylene diisocyanates and 5 weight part propylene glycol monomethyl ethers are mixed, obtain curing component.
Above-mentioned resin Composition and curing component are formed thermal insulating coating A5.
Resin Composition among the thermal insulating coating A5 and solidifying agent are mixed, be sprayed at the tinplate tin substrate surface then, in 80 ℃ of baking 30min, obtain heat insulating coat sample S5 then.
Comparative Examples 1
This Comparative Examples is used to explain thermal insulating coating of the prior art and preparation method thereof and method of use.
The preparation method of thermal insulating coating is identical with embodiment 5, and different is to adopt Hydroxylated acrylic resin and cold cross-linking solidified fluorocarbon resin to piece together by weight 3:1 and mix the acrylate modified hydrophilic fluoro-resin of resin replacement that forms.
Prepare thermal insulating coating D1.
Resin Composition among the thermal insulating coating D1 and solidifying agent are mixed, be sprayed at the tinplate tin substrate surface then, in 80 ℃ of baking 30min, obtain heat insulating coat sample DS1 then.
Comparative Examples 2
This Comparative Examples is used to explain thermal insulating coating of the prior art and preparation method thereof and method of use.
The preparation method of thermal insulating coating is identical with embodiment 5, and different is to adopt the acrylate modified hydrophilic fluoro-resin of pure third resin replacement of water-based.
Prepare thermal insulating coating D2.
Resin Composition among the thermal insulating coating D2 and solidifying agent are mixed, be sprayed at the tinplate tin substrate surface then, in 80 ℃ of baking 30min, obtain heat insulating coat sample DS2 then.
Performance test
The above-mentioned sample S1-S5 for preparing, DS1, DS2 are carried out following performance test:
1, sticking power
Test according to GB/T1732-93;
2, hardness
Test according to GB/T1732-93;
3, salt mist experiment
Test according to GB1771-91;
4, ageing-resistant QUV test
Test according to GB1865-80;
5, solar heat reflection rate
Test according to JGT 235-2008;
6, thermal conductivity
Test according to GB10294;
7, heat insulation temperature test
Test according to JGT 235-2008;
Test result is inserted table 1:
Can find out that through above test result thermal insulating coating disclosed by the invention solidifies coating hardness, sticking power, the good weatherability that the back forms, and effect of heat insulation is excellent.And this thermal insulating coating is a water-based system, VOC free discharging, more environmental protection.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a thermal insulating coating comprises resin Composition and curing component, and wherein, said resin Composition comprises matrix resin, lagging material, filler, auxiliary agent and water; Said matrix resin is acrylate modified hydrophilic fluoro-resin; Said curing component comprises solidifying agent, and said solidifying agent is the water-based isocyanate solidifying agent.
2. thermal insulating coating according to claim 1 is characterized in that, in the said matrix resin, said acrylate content is 10-30wt%.
3. thermal insulating coating according to claim 1 is characterized in that, the weight-average molecular weight of said matrix resin is 2000-7000.
4. according to any described thermal insulating coating among the claim 1-3, it is characterized in that contain reactive group in the said matrix resin, said reactive group is selected from one or more in carboxyl, hydroxyl, the amido; The content of reactive group is 1-5wt% in the said matrix resin.
5. thermal insulating coating according to claim 1; It is characterized in that; In the said resin Composition, be benchmark with the content of matrix resin, the content of said lagging material is that the content of 10-50wt%, filler is that 20-40wt%, auxiliary agent content are that the content of 3-10wt%, water is 5-30wt%.
6. thermal insulating coating according to claim 1; It is characterized in that said solidifying agent is selected from one or more dimer, tripolymer or the tetramer in hydrophilic hexamethylene diisocyanate, hydrophilic isophorone diisocyanate, hydrophilic diphenylmethanediisocyanate, the hydrophilic tolylene diisocyanate; Content with matrix resin is benchmark, and the content of said solidifying agent is 10-25wt%.
7. thermal insulating coating according to claim 1; It is characterized in that; Said lagging material is selected from hollow glass microbead and/or hollow ceramic microballon, and said hollow glass microbead is the hollow glass microbead of coated by titanium dioxide, the hollow ceramic microballon that said hollow ceramic microballon is a coated by titanium dioxide; The median size of said lagging material is the 800-2000 order.
8. thermal insulating coating according to claim 1 is characterized in that said filler is selected from one or more in lime carbonate, permanent white, talcum powder, mica powder, kaolin, silica powder, the zeyssatite, and the median size of said filler is the 800-3000 order; Said auxiliary agent contains one or more in wetting agent, flow agent, skimmer or the thickening material; Content with matrix resin is benchmark, and the content of said wetting agent is that the content of 1-4wt%, said flow agent is that the content of 0.4-1wt%, said skimmer is that the content of 0.5-2wt%, said thickening material is 1.0-3wt%.
9. thermal insulating coating according to claim 1; It is characterized in that; Also contain first solubility promoter and/or pigment in the said resin Composition, said first solubility promoter is selected from one or more in propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, Diethylene Glycol butyl ether, the butyl glycol ether; Said pigment is selected from one or more in white titanium pigment, zinc sulfide white, phthalocyanine blue, red iron oxide, carbon black, azo class triarylmethane compound pigment, anthraquinone class pigment, phthalocyanine pigment, iso-indole ketone pigment, the triphen diazines pigment; Content with matrix resin is benchmark, and the content of said first solubility promoter is that the content of 2-10wt%, said pigment is 10-20wt%.
10. thermal insulating coating according to claim 1; It is characterized in that; Also contain second solubility promoter in the said curing component; Said second solubility promoter is selected from one or more in propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, Diethylene Glycol butyl ether, the butyl glycol ether, is benchmark with the content of matrix resin, and the content of said second solubility promoter is 5-20wt%.
11. the preparation method of thermal insulating coating as claimed in claim 1 comprises matrix resin, lagging material, filler, auxiliary agent and water is mixed, disperses, grinds, and obtains resin Composition; Said resin Composition is formed thermal insulating coating with the curing component that contains the water-based isocyanate solidifying agent.
12. the method for use of thermal insulating coating as claimed in claim 1 comprises resin Composition is mixed with curing component, is coated on substrate surface then, places 7-15d at 60-80 ℃ of baking 30-60min or normal temperature.
13. method of use according to claim 12 is characterized in that, when resin Composition is mixed with curing component, is benchmark with the content of matrix resin, the content of said solidifying agent is 10-25wt%.
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| CN107325653A (en) * | 2017-08-03 | 2017-11-07 | 合肥泓定科技有限公司 | Compound heat-insulation coating |
| CN112194970A (en) * | 2020-10-16 | 2021-01-08 | 贵州黔鳌信息技术有限公司 | Heat-insulating noise-reducing waste gas-removing vehicle paint and manufacturing method thereof |
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| CN106366743A (en) * | 2016-08-30 | 2017-02-01 | 广德衡峰新型建材有限公司 | Preparation method of paint with heat insulation and reflection functions |
| CN106978051A (en) * | 2017-04-13 | 2017-07-25 | 江苏大使同丰涂料有限公司 | A kind of glass thermal radiation resistant coating and preparation method thereof |
| CN106978051B (en) * | 2017-04-13 | 2019-05-31 | 江苏大使同丰涂料有限公司 | A kind of glass thermal radiation resistant coating and preparation method thereof |
| CN107325653A (en) * | 2017-08-03 | 2017-11-07 | 合肥泓定科技有限公司 | Compound heat-insulation coating |
| CN112194970A (en) * | 2020-10-16 | 2021-01-08 | 贵州黔鳌信息技术有限公司 | Heat-insulating noise-reducing waste gas-removing vehicle paint and manufacturing method thereof |
| CN112375483A (en) * | 2020-12-10 | 2021-02-19 | 无锡市太湖防腐材料有限公司 | Long-acting heavy-duty reflective heat-insulating coating and preparation method thereof |
| CN114316773A (en) * | 2022-01-06 | 2022-04-12 | 浩力森化学科技（江苏）有限公司 | Water-based self-drying coating composition, preparation method and application thereof |
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