CN104263058A - Composition with heat insulation synergistic effect, heat insulation coating and preparation method of coating - Google Patents
Composition with heat insulation synergistic effect, heat insulation coating and preparation method of coating Download PDFInfo
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
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- C09D125/14—Copolymers of styrene with unsaturated esters
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The invention discloses a composition with a heat insulation synergistic effect, a heat insulation coating and a preparation method of the coating. The composition comprises titanium dioxide and nano hydrotalcite. The heat insulation coating comprises the following components in percentage by weight: 20%-40% of a film forming material, 5%-18% of pigment and fillers, 8%-20% of titanium dioxide, 6%-20% of nano hydrotalcite, 1%-4% of a film forming aid, 1%-4% of an antifreezing agent, 0.1%-0.5% of a preservative, 0.2%-1% of a mildew preventive, 0.1%-0.5% of a defoamer, 0.1%-2.0% of a thickener, 0.1%-2.0% of a dispersant, 0.1%-0.5% of a wetter, 0.05%-0.5% of cellulose, 0.05%-0.5% of a pH regulator and 10%-19% of de-ionized water. The composition and the heat insulation coating are prepared by mixing the corresponding raw materials; as titanium dioxide and nano hydrotalcite are reasonably mixed, the synergistic effect of titanium dioxide and nano hydrotalcite can be brought into play, and the heat insulation effect of the coating is relatively good.
Description
Technical field
The present invention relates to coating, the preparation method of the coating especially with heat insulation synergistic effect and the coating with heat insulation synergistic effect.
Background technology
In today of Present Global heat effect aggravation, energy-saving and emission-reduction are the general problems faced of world architecture industry.Along with the develop rapidly of construction industry, the implementation of building energy conservation and development, thermal insulating coating is more and more subject to people's attention.
Current coating for internal and external wall: 1, at all do not consider heat insulation function; Even if 2 outer wall heat-insulating coatings also exist following defect: 1) the outer wall heat-insulating coating paint film of hollow glass micropearl type thicker (dry film reaches more than 200 μm), consumption paint amount is large, and painting cost is higher; 2) because hollow glass micropearl median size is about 30-50 μm, it adds the paint film unfairness formed in coating, porous surface, and compact in paint film is poor, and cause paint film water tolerance bad, contaminated resistance is poor; And the effect dressing up the appearance surfaces flat smooth had just as common exterior wall paint can not be coated with.3) the coating shelf lives adding hollow glass micropearl is very short, and after general one month, viscosity becomes large, and retrogradation becomes paste, and the serious gel of thickening becomes g., jelly-like, is directed at coating rotten and can not use.Due to above reason, on market, the use of outer wall heat-insulating coating is very restricted.
Summary of the invention
The present invention want one of technical solution problem to be to provide a kind of composition with heat insulation synergistic effect, apply in coating, heat-proof quality, anti-aging and good stability, finished product paint fineness can be less than 30 μm, after construction, the dry film of paint is less than 50 μm, and consumption paint amount is much smaller.
The present invention want two of technical solution problem to be to provide a kind of thermal insulating coating with heat insulation synergistic effect, heat-proof quality, anti-aging and good stability, finished product paint fineness can be less than 30 μm, and after construction, the dry film of paint is less than 50 μm, and consumption paint amount is much smaller.
The present invention want three of technical solution problem to be to provide a kind of preparation method with the thermal insulating coating of heat insulation synergistic effect, produced coating, heat-proof quality, anti-aging and good stability, finished product paint fineness can be less than 30 μm, after construction, the dry film of paint is less than 50 μm, and consumption paint amount is much smaller.
For one of solving the problems of the technologies described above, technical scheme of the present invention is: a kind of composition with heat insulation synergistic effect, and described composition component comprises by weight percentage:
Titanium dioxide 40% ~ 60%
Nano hydrotalcite 40% ~ 60%.
As improvement, described composition also add in kaolin, coarse whiting, mica powder one or more; The raw material added accounts for 40% ~ 60% of total composition.
For solve the problems of the technologies described above two, technical scheme of the present invention is: a kind of thermal insulating coating with heat insulation synergistic effect, and described thermal insulating coating compositions in weight percentage comprises:
Filmogen 20% ~ 40%
Color stuffing 5% ~ 18%
Titanium dioxide 8% ~ 20%
Nano hydrotalcite 6% ~ 20%
Film coalescence aid 1% ~ 4%
Frostproofer 1% ~ 4%
Sanitas 0.1% ~ 0.5%
Mould inhibitor 0.2% ~ 1%
Defoamer 0.1% ~ 0.5%
Thickening material 0.1% ~ 2.0%
Dispersion agent 0.1% ~ 2.0%
Wetting agent 0.1% ~ 0.5%
Mierocrystalline cellulose 0.05% ~ 0.5%
PH conditioning agent 0.05% ~ 0.5%
Deionized water 10% ~ 19%.
As improvement, described filmogen comprise in pure-acrylic emulsion, benzene emulsion, organosilicon crylic acid latex one or more.
As improvement, described color stuffing comprise in Rutile type Titanium Dioxide, mica powder, diatomite, coarse whiting, talcum powder, silicon powder, organophilic clay, pure aluminium silicate, calcined kaolin one or more.
As improvement, finished product paint fineness can be less than 30 μm, and after construction, the dry film of paint is less than 50 μm.
For solve the problems of the technologies described above three, technical scheme of the present invention is: a kind of preparation method with the thermal insulating coating of heat insulation synergistic effect, comprises the following steps:
1) first take 9 ~ 13 grams of deionized waters and drop into a mixing bowl, under 300-500 rev/min of speed, add 0.15 ~ 0.25 gram of Mierocrystalline cellulose, stir 5 ~ 10 minutes; Then add dispersion agent 0.5 ~ 0.7 gram, defoamer 0.15 ~ 0.25 gram, wetting agent 0.05 ~ 0.15 gram, sanitas 0.15 ~ 0.25 gram, stir 5 ~ 10 minutes under 600-800 rev/min of speed;
2) add color stuffing 20 ~ 25 grams, nano hydrotalcite 14 ~ 18 grams, dispersed with stirring 30 ~ 40 minutes under 1000-1200 rev/min of speed, cross sand milling, be less than 30 microns to fineness;
3) under 300-500 rev/min of speed, then add filmogen 35 ~ 45 grams, antifreezing agent 0.8 ~ 1.2 gram, film coalescence aid 1.5 ~ 2.5 grams, mould inhibitor 0.3 ~ 0.5 gram, stir 20 ~ 30 minutes;
4) add PH conditioning agent 0.05 ~ 0.15 gram, PH is adjusted to 8 ~ 9, under 400 ~ 800 revs/min of speed, stir 10 ~ 15 minutes;
5) add thickening material 0.3 ~ 0.5 gram, deionized water 4.5 ~ 5 grams, adjusting viscosity, under 400 ~ 600 revs/min of speed, stir 10 ~ 15 minutes, the whole preparation process with the coating for internal and external wall of heat insulation synergistic effect can be completed.
As improvement, described filmogen comprise in pure-acrylic emulsion, benzene emulsion, organosilicon crylic acid latex one or more.
As improvement, described color stuffing comprise in Rutile type Titanium Dioxide, mica powder, diatomite, coarse whiting, talcum powder, silicon powder, organophilic clay, pure aluminium silicate, calcined kaolin one or more.
As improvement, finished product paint fineness can be less than 30 μm, and after construction, the dry film of paint is less than 50 μm.
The beneficial effect that the present invention is compared with prior art brought is:
1, adopt nano hydrotalcite to carry out alternative hollow glass micropearl, utilize coating of the present invention, finished product paint fineness can be less than 30 μm, and after construction, the dry film of paint is less than 50 μm, so consumption paint amount is the same with common coating for internal and external wall, consumption paint amount is less, and construction area is large; Its paint film is moist, compactness good, and after complete drying, water tolerance is excellent, and contamination resistance is excellent;
2, adopt nano hydrotalcite to carry out alternative hollow glass micropearl, utilize coating of the present invention, its stability in storage is good, the same with common coating for internal and external wall, and finished product paint paint of guaranteeing the quality can reach more than 2 years;
3, because nano hydrotalcite has excellent uv-absorbing and dispersion effect, utilize coating of the present invention, its performance decapacitation reaches outside the requirement of GB GB/T 9755-2001 " exterior wall coating material of synthetic resin emulsion " and GB GB/T 9756-2009 " resin latex dope ", and its heat insulating function also can reach the requirement of GB GB/T 25261-2010 " reflective heat-insulation paint for building " and JGT 235-2008 " architectural reflective heat-insulation paint ";
4, the experiment through system finds, it is very poor to be used alone its effect of heat insulation of nano hydrotalcite, and temperature can only be made to reduce by 1.6 DEG C; And be used alone titanium dioxide temperature also can only be made to reduce by 7.8 DEG C; Reasonably arrange in pairs or groups when nano hydrotalcite and titanium dioxide and use, their synergy can be played, temperature can be made to reduce by 16.3 DEG C;
5, more than the three kinds material mixtures such as nano hydrotalcite and titanium dioxide, kaolin, coarse whiting, mica powder, more than its heat insulation Temperature Difference Ratio various material be used alone or composite between two time the heat insulation temperature difference all want greatly, there is the heat insulation synergistic effect of forward;
6, the feature of nano hydrotalcite on the Nomenclature Composition and Structure of Complexes makes it also have both the property such as anti-aging, dust-proof, utilizes coating of the present invention, and its resistance to deterioration and contamination resistance are all than much better with common coating for internal and external wall;
7, have the coating for internal and external wall of heat insulation synergistic effect, collocation uses together, can work in coordination with the effect of heat insulation strengthening inner-outer wall further;
8, due to adopted nano hydrotalcite price, comparatively hollow glass is cheap, and the coating for internal and external wall with heat insulation synergistic effect of the present invention and common coating for internal and external wall cost quite, are conducive to commercially extensively promoting.
Embodiment
Embodiment 1
Have a composition for heat insulation synergistic effect, its basic ingredient is titanium dioxide and nano hydrotalcite, in order to reach better effect, can add one or more in kaolin, coarse whiting, mica powder; This two-part compositions in weight percentage titanium dioxide and nano hydrotalcite account for 40% of total amount, and the raw material newly added accounts for 60% of total amount, and in basic ingredient, titanium dioxide accounts for 40%, and nano hydrotalcite accounts for 60%.The two adds filmogen, produces synergistic effect after titanium dioxide is mixed with nano hydrotalcite, thus produce good effect of heat insulation in use.
Embodiment 2
Have a composition for heat insulation synergistic effect, its basic ingredient is titanium dioxide and nano hydrotalcite, in order to reach better effect, can add one or more in kaolin, coarse whiting, mica powder; This two-part compositions in weight percentage titanium dioxide and nano hydrotalcite account for 50% of total amount, and the raw material newly added accounts for 50% of total amount, and in basic ingredient, titanium dioxide accounts for 50%, and nano hydrotalcite accounts for 50%.The two adds filmogen, produces synergistic effect after titanium dioxide is mixed with nano hydrotalcite, thus produce good effect of heat insulation in use.
Embodiment 3
Have a composition for heat insulation synergistic effect, its basic ingredient is titanium dioxide and nano hydrotalcite, in order to reach better effect, can add one or more in kaolin, coarse whiting, mica powder; This two-part compositions in weight percentage titanium dioxide and nano hydrotalcite account for 60% of total amount, and the raw material newly added accounts for 40% of total amount, and in basic ingredient, titanium dioxide accounts for 60%, and nano hydrotalcite accounts for 40%.The two adds filmogen, produces synergistic effect after titanium dioxide is mixed with nano hydrotalcite, thus produce good effect of heat insulation in use.
Embodiment 4
Have a coating for internal and external wall for heat insulation synergistic effect, described coating for internal and external wall compositions in weight percentage comprises: filmogen 40%, color stuffing 12%, titanium dioxide 20%, nano hydrotalcite 6.2%, film coalescence aid 1%, frostproofer 1%, sanitas 0.1%, mould inhibitor 0.2%, thickening material 0.1%, dispersion agent 0.1%, wetting agent 0.1%, Mierocrystalline cellulose 0.05%, PH conditioning agent 0.05%, deionized water 19%.
Described filmogen comprise in pure-acrylic emulsion, benzene emulsion, organosilicon crylic acid latex one or more.
Described color stuffing comprise in Rutile type Titanium Dioxide, mica powder, diatomite, coarse whiting, talcum powder, silicon powder, organophilic clay, pure aluminium silicate, calcined kaolin one or more.The auxiliary agents such as described film coalescence aid (as alcohol ester 12), frostproofer (as propylene glycol), defoamer (SN-319), sanitas (AM181) thickening material (TT-935), PH conditioning agent (AMP-95), mould inhibitor (LXE), wetting agent (PE-100), dispersion agent (SN-5029), Mierocrystalline cellulose (Natvosol HS100000YP2) are the general type used in coating for internal and external wall on the market.
Prepare this technique with the coating for internal and external wall of heat insulation synergistic effect to comprise the following steps:
1) first take a part of deionized water and drop into a mixing bowl, under 300-500 rev/min of speed, add Mierocrystalline cellulose, stir 5 ~ 10 minutes; Then add dispersion agent, defoamer, wetting agent, sanitas, stir 5 ~ 10 minutes under 600-800 rev/min of speed;
2) add color stuffing, nano hydrotalcite, dispersed with stirring 30 ~ 40 minutes under 1000-1200 rev/min of speed, cross sand milling, be less than 30 microns to fineness;
3) then under 300-500 rev/min of speed, add filmogen, antifreezing agent, film coalescence aid, mould inhibitor, stir 20 ~ 30 minutes;
4) add PH conditioning agent, PH is adjusted to 8 ~ 9, under 400 ~ 800 revs/min of speed, stir 10 ~ 15 minutes;
5) add thickening material, remaining deionized water, adjusting viscosity, under 400 ~ 600 revs/min of speed, stir 10 ~ 15 minutes, the whole preparation process with the coating for internal and external wall of heat insulation synergistic effect can be completed.
Have heat insulation synergistic effect due between the raw material that coating for internal and external wall of the present invention is selected, collocation uses together, can work in coordination with the effect of heat insulation strengthening inner-outer wall further.Requirement according to GB GB/T 9755-2001 " exterior wall coating material of synthetic resin emulsion " and GB GB/T 9756-2009 " resin latex dope " detects, and its heat insulating function detects according to the requirement of JGT 235-2008 " architectural reflective heat-insulation paint ".Following table is for related test results of the present invention:
Embodiment 5
That described coating for internal and external wall compositions in weight percentage comprises with embodiment 4 difference: filmogen 28%, color stuffing 18%, titanium dioxide 8.5%, nano hydrotalcite 20%, film coalescence aid 4%, frostproofer 4%, sanitas 0.5%, mould inhibitor 1%, defoamer 0.5%, thickening material 2.0%, dispersion agent 2.0%, wetting agent 0.5%, Mierocrystalline cellulose 0.5%, PH conditioning agent 0.5%, deionized water 10%.Its technique effect produced is identical with embodiment 1, and the synergistic effect existed between raw material conforms to the testing data of embodiment 1, no longer enumerates explanation in the present embodiment.
Embodiment 6
That described coating for internal and external wall compositions in weight percentage comprises with embodiment 4 difference: filmogen 38%, color stuffing 5%, titanium dioxide 15%, nano hydrotalcite 17%, film coalescence aid 3%, frostproofer 2.2%, sanitas 0.3%, mould inhibitor 0.5%, defoamer 0.2%, thickening material 1.5%, dispersion agent 1.5%, wetting agent 0.3%, Mierocrystalline cellulose 0.25%, PH conditioning agent 0.25%, deionized water 15%.Its technique effect produced is identical with embodiment 1, and the synergistic effect existed between raw material conforms to the testing data of embodiment 1, no longer enumerates explanation in the present embodiment.
Embodiment 7
That described coating for internal and external wall compositions in weight percentage comprises with embodiment 4 difference: filmogen 20%, color stuffing 16%, titanium dioxide 18%, nano hydrotalcite 16%, film coalescence aid 3%, frostproofer 3%, sanitas 0.4%, mould inhibitor 0.8%, defoamer 0.4%, thickening material 1.3%, dispersion agent 1.2%, wetting agent 0.3%, Mierocrystalline cellulose 0.2%, PH conditioning agent 0.4%, deionized water 19%.Its technique effect produced is identical with embodiment 1, and the synergistic effect existed between raw material conforms to the testing data of embodiment 1, no longer enumerates explanation in the present embodiment.
Embodiment 8
That described coating for internal and external wall compositions in weight percentage comprises with embodiment 4 difference: filmogen 30%, color stuffing 15%, titanium dioxide 10%, nano hydrotalcite 20%, film coalescence aid 4%, frostproofer 4%, sanitas 0.2%, mould inhibitor 0.7%, defoamer 0.3%, thickening material 1%, dispersion agent 1%, wetting agent 0.4%, Mierocrystalline cellulose 0.3%, PH conditioning agent 0.1%, deionized water 13%.Its technique effect produced is identical with embodiment 1, and the synergistic effect existed between raw material conforms to the testing data of embodiment 1, no longer enumerates explanation in the present embodiment.
For further illustrating the heat insulation synergistic effect between titanium dioxide and nano hydrotalcite selected in embodiment 1 to 8, below to its experiment data analysis:
Table 1, substances content are 20%, and coating thickness is the test result of 30 μm
Table 2, substances content are 35%, and coating thickness is the test result of 50 μm
Table 3, various material and titanium dioxide be the composite result of 1:1 in proportion
(two kinds of material total contents are 35%, the data recorded when coating thickness is 50 μm)
Table 4, various material and the nano hydrotalcite result that 1:1 is composite in proportion
(two kinds of material total contents are 35%, the data recorded when coating thickness is 50 μm)
Table 5, titanium dioxide, kaolin, nano hydrotalcite mixture result
(material total content is 35%, the data recorded when coating thickness is 50 μm)
Table 6, titanium dioxide, kaolin, nano hydrotalcite, coarse whiting mixture result
?(material total content is 35%, the data recorded when coating thickness is 50 μm)
Table 7, titanium dioxide, kaolin, nano hydrotalcite, mica powder, coarse whiting mixture result
?(material total content is 35%, the data recorded when coating thickness is 50 μm)
Conclusion:
One, the heat-proof quality test of single material
1, can draw from the data of table 1: when being used alone nano hydrotalcite, titanium dioxide in coating, its heat insulation temperature difference is respectively 1.8 DEG C, 7.8 DEG C, and effect of heat insulation does not reach the requirement (the heat insulation temperature difference >=10 DEG C of thermal insulating coating standard-required) of thermal insulating coating.When by nano hydrotalcite and titanium dioxide used in combination, when coating thickness is 30 μm, its heat insulation temperature difference is 14.2 DEG C, has exceeded the insulation requirement of thermal insulating coating.
2, as can be seen from the data of table 1, table 2: when substances content increases, when film thickens, good heat-insulation effect is a lot.When various filler is used alone, effect of heat insulation sequence is: titanium dioxide > kaolin > nano hydrotalcite > coarse whiting > barium sulfate ≈ mica powder, first three kind can reach the heat insulation temperature difference of more than 10 DEG C, titanium dioxide and kaolin can reach 18 DEG C, and rear three kinds of filler effect of heat insulation are poor.
Two, the test of two kinds of composite heat-proof qualities later of materials
1, from the data of table 2 and table 3, can find out: the good two kinds of filler mixtures of effect of heat insulation, the effect of heat insulation had, especially titanium dioxide and nano hydrotalcite, heat insulation temperature difference when heat insulation Temperature Difference Ratio after 1:1 mixture two kinds of fillers are used alone all is wanted greatly (independent 35% titanium dioxide Δ T=18.6 DEG C, independent 35% nano hydrotalcite Δ T=13.1 DEG C, 17.5% titanium dioxide+17.5% nano hydrotalcite Δ T=18.8 DEG C).
2, as can be seen from the data of table 2 and table 3: two kinds of filler mixtures that effect of heat insulation is suitable, its heat insulation temperature difference is similar.(independent 35% titanium dioxide Δ T=18.6 DEG C, independent 35% kaolin Δ T=17.6 DEG C, 17.5% titanium dioxide+17.5% kaolin Δ T=17.7 DEG C).
3, as can be seen from the data of table 2 and table 3: after titanium dioxide and coarse whiting, mica powder and barium sulfate mixture, its effect of heat insulation is all deteriorated, the heat insulation temperature difference is close to heat insulation temperature difference when being used alone the poor that filler of effect of heat insulation.(independent 35% titanium dioxide Δ T=18.6 DEG C, independent 35% coarse whiting Δ T=3.8 DEG C, 17.5% titanium dioxide+17.5% coarse whiting Δ T=3.4 DEG C).
4, can draw according to the data of table 2, table 3, table 4: heat insulation temperature difference when the heat insulation Temperature Difference Ratio two kinds of fillers after kaolin and nano hydrotalcite 1:1 mixture are used alone all wants greatly (independent 35% kaolin Δ T=17.6 DEG C, independent 35% nanometer produces hydrotalcite Δ T=13.1 DEG C, 17.5% kaolin+17.5% nano hydrotalcite Δ T=18.5 DEG C).Titanium dioxide and kaolin and nano hydrotalcite mixture can promote self effect of heat insulation; When being used alone mica powder, its heat insulation temperature difference is 0.9 DEG C, and when it and titanium dioxide and nano hydrotalcite mixture, its heat insulation temperature difference is respectively 2.8 DEG C and 4.9 DEG C, and coarse whiting respectively with titanium dioxide and nano hydrotalcite mixture after, effect of heat insulation is also very poor, and barium sulfate is also like this.
Therefore reach a conclusion for: match between two between the material of titanium dioxide, kaolin and nano hydrotalcite three kinds of good heat-insulation effect, its effect of heat insulation can level off to maximum value wherein; And the very poor coarse whiting of they and effect of heat insulation, mica powder, the barium sulfate minimum value that its effect of heat insulation levels off to wherein when mutually matching between two.
Three, three kinds of materials or above mutually mixing time its effect of heat insulation test
1, as can be seen from the data (the good titanium dioxide of effect of heat insulation, kaolin, nano hydrotalcite three mixture) of table 5: as can be seen from A, B, C tri-column data, kaolin content is constant, titanium dioxide content successively decreases and hydrotalcite levels increases progressively, consider testing tool error, the not very large difference of the heat insulation temperature difference.Arrange from C, D two and find out, titanium dioxide content reduces, and kaolin content increases, and nano hydrotalcite content is constant, does not also have large impact to effect of heat insulation.So during this three kinds of material mixing, when effect of heat insulation maximizes, the minimum content of this material of three kinds is: titanium dioxide 8%, nano hydrotalcite 17%, kaolin 10%.
2, as can be seen from the data of table 6: titanium dioxide, kaolin, nano hydrotalcite and coarse whiting four kinds of material mixtures, can reach good effect of heat insulation 22.8 DEG C, the minimum content of each material is respectively: titanium dioxide 8%, kaolin 4.4%, nano hydrotalcite 15%, coarse whiting 7.6%.
3, as can be seen from the data of table 7: titanium dioxide, kaolin, nano hydrotalcite, mica powder and coarse whiting five kinds of material mixtures, the most promotion of the heat insulation temperature difference is to about 23 DEG C.In consolidated statement, data judge, reach good effect of heat insulation, the percentage composition of titanium dioxide, kaolin and nano hydrotalcite is respectively 6.8%, 3.2% and 12% constant, the total content of mica powder and coarse whiting is 13%, when the percentage composition of mica powder is then increased to 9.0% from 0% from the percentage composition that 13% reduces to 4.0%(coarse whiting), effect of heat insulation declines to some extent.And when mica powder content reduces to less than 5.5%, the percentage composition of coarse whiting is increased to more than 7.5%, and effect of heat insulation increases again to some extent.
Four, synergistic effect analysis
1, nano hydrotalcite and the good material of the effect of heat insulation such as titanium dioxide, kaolin press 1:1 mixture, there is the heat insulation synergistic effect of forward, (independent 35% titanium dioxide Δ T=18.6 DEG C, independent 35% nano hydrotalcite Δ T=13.1 DEG C, 17.5% titanium dioxide+17.5% nano hydrotalcite Δ T=18.8 DEG C; Independent 35% kaolin Δ T=17.6 DEG C, independent 35% nano hydrotalcite Δ T=13.1 DEG C, 17.5% kaolin+17.5% nano hydrotalcite Δ T=18.5 DEG C).
2, after nano hydrotalcite and poor coarse whiting, mica powder and the barium sulfate of effect of heat insulation press 1:1 mixture, there is the heat insulation synergistic effect of negative sense, (independent 35% nano hydrotalcite Δ T=13.1 DEG C, independent 35% coarse whiting Δ T=3.8 DEG C, 17.5% nano hydrotalcite+17.5% coarse whiting Δ T=1.1 DEG C; Independent 35% nano hydrotalcite Δ T=13.1 DEG C, independent 35% barium sulfate Δ T=1.0 DEG C, 17.5% nano hydrotalcite+17.5% barium sulfate Δ T=1.0 DEG C).
3, more than the three kinds material mixtures such as nano hydrotalcite and titanium dioxide, kaolin, coarse whiting, mica powder, more than its heat insulation Temperature Difference Ratio various material be used alone or composite between two time the heat insulation temperature difference all want greatly, there is the heat insulation synergistic effect of forward.
Claims (10)
1. there is a composition for heat insulation synergistic effect, it is characterized in that: described composition component comprises by weight percentage:
Titanium dioxide 40% ~ 60%
Nano hydrotalcite 40% ~ 60%.
2. a kind of composition with heat insulation synergistic effect according to claim 1, is characterized in that: described composition also add in kaolin, coarse whiting, mica powder one or more; The raw material added accounts for 40% ~ 60% of total composition.
3. have a thermal insulating coating for heat insulation synergistic effect, it is characterized in that, described thermal insulating coating compositions in weight percentage comprises:
Filmogen 20% ~ 40%
Color stuffing 5% ~ 18%
Titanium dioxide 8% ~ 20%
Nano hydrotalcite 6% ~ 20%
Film coalescence aid 1% ~ 4%
Frostproofer 1% ~ 4%
Sanitas 0.1% ~ 0.5%
Mould inhibitor 0.2% ~ 1%
Defoamer 0.1% ~ 0.5%
Thickening material 0.1% ~ 2.0%
Dispersion agent 0.1% ~ 2.0%
Wetting agent 0.1% ~ 0.5%
Mierocrystalline cellulose 0.05% ~ 0.5%
PH conditioning agent 0.05% ~ 0.5%
Deionized water 10% ~ 19%.
4. a kind of thermal insulating coating with heat insulation synergistic effect according to claim 3, is characterized in that: described filmogen comprise in pure-acrylic emulsion, benzene emulsion, organosilicon crylic acid latex one or more.
5. a kind of thermal insulating coating with heat insulation synergistic effect according to claim 3, is characterized in that: described color stuffing comprise in Rutile type Titanium Dioxide, mica powder, diatomite, coarse whiting, talcum powder, silicon powder, organophilic clay, pure aluminium silicate, calcined kaolin one or more.
6. a kind of thermal insulating coating with heat insulation synergistic effect according to claim 3, is characterized in that: finished product paint fineness can be less than 30 μm, and after construction, the dry film of paint is less than 50 μm.
7. there is a preparation method for the thermal insulating coating of heat insulation synergistic effect, it is characterized in that, comprise the following steps:
1) first take 9 ~ 13 grams of deionized waters and drop into a mixing bowl, under 300-500 rev/min of speed, add 0.15 ~ 0.25 gram of Mierocrystalline cellulose, stir 5 ~ 10 minutes; Then add dispersion agent 0.5 ~ 0.7 gram, defoamer 0.15 ~ 0.25 gram, wetting agent 0.05 ~ 0.15 gram, sanitas 0.15 ~ 0.25 gram, stir 5 ~ 10 minutes under 600-800 rev/min of speed;
2) add color stuffing 20 ~ 25 grams, nano hydrotalcite 14 ~ 18 grams, dispersed with stirring 30 ~ 40 minutes under 1000-1200 rev/min of speed, cross sand milling, be less than 30 microns to fineness;
3) under 300-500 rev/min of speed, then add filmogen 35 ~ 45 grams, antifreezing agent 0.8 ~ 1.2 gram, film coalescence aid 1.5 ~ 2.5 grams, mould inhibitor 0.3 ~ 0.5 gram, stir 20 ~ 30 minutes;
4) add PH conditioning agent 0.05 ~ 0.15 gram, PH is adjusted to 8 ~ 9, under 400 ~ 800 revs/min of speed, stir 10 ~ 15 minutes;
5) add thickening material 0.3 ~ 0.5 gram, deionized water 4.5 ~ 5 grams, adjusting viscosity, under 400 ~ 600 revs/min of speed, stir 10 ~ 15 minutes, the whole preparation process with the coating for internal and external wall of heat insulation synergistic effect can be completed.
8. a kind of preparation method with the thermal insulating coating of heat insulation synergistic effect according to claim 7, is characterized in that: described filmogen comprise in pure-acrylic emulsion, benzene emulsion, organosilicon crylic acid latex one or more.
9. a kind of preparation method with the thermal insulating coating of heat insulation synergistic effect according to claim 7, is characterized in that: described color stuffing comprise in Rutile type Titanium Dioxide, mica powder, diatomite, coarse whiting, talcum powder, silicon powder, organophilic clay, pure aluminium silicate, calcined kaolin one or more.
10. a kind of preparation method with the thermal insulating coating of heat insulation synergistic effect according to claim 7, is characterized in that: finished product paint fineness can be less than 30 μm, and after construction, the dry film of paint is less than 50 μm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624169A (en) * | 2018-05-23 | 2018-10-09 | 张建平 | Anti- infrared heat-insulated water paint nanometer titanium dioxide composite material and preparation process |
| CN112048205A (en) * | 2020-08-21 | 2020-12-08 | 北京荣力恒业科技有限公司 | Blackbody radiation energy-saving coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081958A (en) * | 2007-07-05 | 2007-12-05 | 北京工商大学 | Inner wall heat-preservation coating |
-
2014
- 2014-10-16 CN CN201410548820.4A patent/CN104263058A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081958A (en) * | 2007-07-05 | 2007-12-05 | 北京工商大学 | Inner wall heat-preservation coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624169A (en) * | 2018-05-23 | 2018-10-09 | 张建平 | Anti- infrared heat-insulated water paint nanometer titanium dioxide composite material and preparation process |
| CN112048205A (en) * | 2020-08-21 | 2020-12-08 | 北京荣力恒业科技有限公司 | Blackbody radiation energy-saving coating and preparation method thereof |
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Application publication date: 20150107 |