CN107573786A - A kind of metal Roof building waterproof heat-insulating coating and preparation method thereof - Google Patents
A kind of metal Roof building waterproof heat-insulating coating and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of metal Roof building waterproof heat-insulating coating and preparation method thereof, is formed by the allotment of following two groups of components, the first component：Water, the first thickener, the first dispersant, the second dispersant, wetting agent, the first defoamer, the second defoamer, multifunctional assistant, preservative, mould inhibitor, titanium dioxide, compound heat-insulation powder, filler, functional stuffing, the second component：Antifreezing agent, coalescents, emulsifying agent, water, emulsion, the second thickener, the 3rd thickener, pH value regulator, tributyl phosphate；Wherein, the compound heat-insulation powder is modified the compound formed to tire out to ask powder and crystal whisker of hexa potassium titanate scattered by mixing and carry out surface.It is first pre-dispersed to the progress of the first component, after obtaining the slurry that fineness is 40~80 microns, the second component paint is added, filtering obtains finished product.Concise production process of the present invention, low cost, construction easily, short time limit, aqueous, environmental protective, it is nontoxic not so, can be widely applied to the waterproof of metal Roof and heat-insulated.
Description
Technical field
The present invention relates to a kind of building coating, and in particular to a kind of building waterproof heat-insulating coating for metal Roof, with
And the preparation method of coating.
Background technology
Metal Roof has the characteristics that high-strength light, flexible design, easy for installation, rich in color, moulding is unique, can make to build
Build and produce stronger modern sense and times flavour, be widely used in industrial building and civil buildings.But with other construction materials
Equally, metal Roof also has its weakness, and rain leakage is exactly one of them.Tracing it to its cause mainly has：1. material feature, 2. itself
Design owe rationally, 3. construction wrong.
1. material feature itself.The connected mode that early stage metal roofing board uses is fastener connection, and roof boarding is tight
Firmware penetrates fixation, and metallic plate destroys, and anticorrosive property is not strong, is also easy to produce Seepage.Thereafter speed III plate at the angle occurred II, angle of speeding
Side connected mode is changed into the 180 ° of undercut connections of fixed support concealed type, although not having fastener to penetrate on roof boarding, this kind of plate
Type is a kind of not close formula occlusion, and gap is big, and wind loading rating is weaker, once leak, than penetrating fixed form more very.To solve gold
Belong to plate problem itself, domestic design is gone out the sealed connection template in full side of 360 ° of upright seam locking plates, set using special-purpose machines and tools machinery
Standby undercut, tight type occlusion, there are certain free dilatability, and the metal roofing board template widelyd popularize at present.But metal
The characteristic of expanding with heat and contract with cold of itself is so that the metal Roof of large span produces infiltration gap and can hardly be avoided.
2. design owes reasonable.Metal press plate roofing belongs to the category of constructional waterproofing, and drainability is strong, waterproof ability is weak,
Once there is defect, leakage problems can not avoid system construction.Further, since hardware is connected with each other, detailed treatment is bad
Heat bridge is easily formed, causes heat-insulation layer or interior condensation occur.Often there is leak and connection loosely in metal pressing plate roofing
Gu phenomena such as, its main cause has：1）Construction treatment does not consider metal material swell-shrink characteristics, causes tie point tired, initiation is oozed
Leakage；2）The slope of roof is too slow, template wave height is too small, and design is defective；3）Techonosphere is simple, containment system poor air-tightness, insulation
There is condensation in layer；4）Template junction is weak, and it is poor that wind resistance takes off ability；5）Roof drainage design does not consider regional feature
（Plum rains area, typhoon zone, accumulated snow area）, cause waterproof defect.
3. construction reason： a）Movement joint sets and dealt with improperly.Movement joint, such as last-cost joint should be set according to design requirement, typically
It could be constructed through 40-60d.Claim for eot, if because base cleaning or pour is smash bad hidden leakage defect can be left；For another example settle
Seam, typically to arrive after steel-structure factory building binds to construct, and such duration is longer；As construction wrong can also leave hidden leakage defect.
b）Uneven construction joint construction wrong causes to suffer from.According to existing construction convention, construct bottom plate when factory building roof construction height be 30-
50cm, then one of sealing piece is added, because construction of bottom plates uses merchant shapes more, the slump is larger, and exterior wall sheetmetal is as once
The close lining that vibrates is often poor, and secondary vibration is difficult to some are brought in construction management, so the processing of this horizontal construction joint is not
When the hidden danger for often turning into seepage.c）30cm convex walls complete most of drying shrinkage together with bottom plate in curing period at wallboard construction joint
With shrinkage, new metal plate stitch combination after-contraction is received lower constraint, crack is also easy to produce more than 30cm joints.For gold
Belong to the repairing of roofing infiltration leak, domestic early stage does not take much count of, and metal Roof waterproof is come pair as a simple question
Treat, the existing waterproof material of generally use such as material common on the market：Polymer cement waterproof paint, polyurethane water-proof apply
Material, silicone weathering glue, SBS waterproof rolls or self-adhesive waterproof roll material are handled, and it can solve steel structural roof in a short time
Seepy question, but service life is not grown, the only some months of short life, long only 2-3, because this kind of waterproof layer
There is no sealer, aging is poor, is easily invaded by external dust, corrosive substance, so that waterproof is dirty, becomes fragile, by
Step is destroyed；Steel roofing summer temperature can reach more than 70 degree, and the pitch in coiled material is in molten condition, by multiple
Fusing and solidification, coiled material aging depart from metal roofing board, and service life is also shorter.
With the raising of building energy conservation requirement, metal Roof heat-insulation and heat-preservation by warming plate based on present situation can not expire
The needs developed enough, start to have the new technology for closing Metal roof heat-insulation waterproof paint, and waterproof and heat-insulating problem are planned as a whole into solution
Certainly, the two large problems of metal Roof waterproof and energy-conservation are solved with a kind of material.For example, in Application No. 201310244734.X
State's patent of invention discloses a kind of Water-resistant paint for steel structure color steel tile, the Chinese invention patent of Application No. 201510898394.1
Application discloses a kind of composite metal roof insulation water-repellent paint and preparation method thereof, and two kinds of technical schemes are all using hollow
The materials such as glass microballoon prepare heat-insulating waterproof coating.But such coating that reflective insulation function is realized using microbead type, in life
Production and application in there are problems that some can not avoid defect and：
(1) for the functional filler of microbead type, because particle diameter is generally large, in the occasion that the coating fineness of some requires
It can not meet to require.Most important weak point is due to the crisp brittle nature of matter of functional filler, it is impossible to fully according to tradition
Building coating technique produced.Most producers are produced using rolling altar method at present.This production technology efficiency is low, raw
Time lengthening, equipment cleaning difficulty are produced, and equipment investment is very big.
(2) for nanometer titanium dioxide and the functional filler of modified titanium class, there is very high refraction coefficient,
There is good reflecting effect to visible ray, but the reflection to infrared light is poor.
(3) for the good metal oxide of some radiances, due to deeper color, making answering for its
With being very restricted.
(4) it is relatively large sized due to microbead type functional filler, have not to the elastic performance and cryogenic property of film
Profit influences.
Accordingly, it is desirable to provide a kind of metal Roof building waterproof heat-insulating coating, to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of metal Roof building waterproof heat-insulating coating, before without using glass microballoon
Put, there is provided good heat-proof quality, water resistance；Another goal of the invention of the present invention is to provide this metal Roof building
The preparation method of water-proof heat-insulating paint.
For achieving the above object, the technical solution adopted by the present invention is：A kind of metal Roof building waterproof heat-insulating
Coating, formed by the allotment of following two groups of components, in terms of mass fraction, the composition of each component is as follows：
First component：
8.5 ~ 20 parts of water, the first 0.04 ~ 0.08 part of thickener, the first 0.15 ~ 0.75 part of dispersant, the second dispersant 0.45 ~
0.85 part, 0.1 ~ 0.2 part of wetting agent, the first 0.2 ~ 0.4 part of defoamer, the second 0.2 ~ 0.4 part of defoamer, multifunctional assistant 0.05
~ 0.25 part, 0.05 ~ 0.15 part of preservative, 0.05 ~ 0.25 part of mould inhibitor, 15 ~ 25 parts of titanium dioxide, compound heat-insulation powder 10 ~ 22.5
Part, 2 ~ 6.5 parts of filler, 1 ~ 3 part of functional stuffing,
Second component：
1 ~ 2 part of antifreezing agent, 1.25 ~ 2 parts of coalescents, 0.01 ~ 0.02 part of emulsifying agent, 1 ~ 3 part of water, 25 ~ 60 parts of emulsion, second increases
Thick dose 0.2 ~ 0.5 part, the 3rd 0.2 ~ 0.5 part of thickener, 0.05 ~ 0.15 part of pH value regulator, 0.05 part of tributyl phosphate；
Wherein, the compound heat-insulation powder tires out to ask powder and crystal whisker of hexa potassium titanate scattered by mixing and carry out surface modification and formed
Compound.
The compound heat-insulation powder is prepared using following methods, is 50~95 in mass ratio by thunder support powder and crystal whisker of hexa potassium titanate
: slurry is made in 1 ratio, first adds phosphate compounds, adds water soluble silicon compound, makes SiO2It is deposited in heat-insulating powder
Grain surface, adding aluminium salt coating agent makes powder coating, dispersed, is obtained after washing, filter, dry, grind, powder grain
Footpath is controlled below 50 μm.
By processing heat-insulating powder particle surface can be made to coat one layer of inorganic matter, i.e., be attached to silicon, aluminium ion simultaneously heat-insulated
Powder surface, so as to improve reflective insulation efficiency.This compound has very strong reflection, barrier and radianting capacity, energy to sunshine
Reduce the absorption to solar energy.
In above-mentioned technical proposal, first dispersant is inorganic salts dispersant, and second dispersant is water-based poly-
Metal carboxylate dispersant, the wetting agent are APES class wetting agent, the active ingredient of the multifunctional assistant
For 2-amino-2-methyl-1-propanol.They can make pigment and uniform filling disperse and keep stable, and cause coating to base
Material has good wetability, adhesive force of the enhancing film to base material.
In above-mentioned technical proposal, first defoamer is organosilicon and the compound defoamer of esters, the second defoamer are
The mixture of hydrophobic silica and mineral oil, first thickener are cellulose ether thickener, and the second thickener is alkali soluble
Swollen type thickener, the 3rd thickener are polyurethanes thickener, the filler be sericite in powder and silica flour any one or
The mixture of both persons, the functional stuffing are metal oxide.Coating material production can be eliminated and be produced in constructing by adding defoamer
The compounding use of raw foaming, both defoamers and tributyl phosphate can effectively reduce the hair of the defects of shrinkage cavity, cissing
It is raw.The reasonably combined use of all kinds of thickeners, coating can be made to have good rheological characteristic, improve application property, and it is steady to provide storage
It is qualitative.Sericite in powder is in flakey, full of elasticity, flexible, and wear resistence and wearability are good, high temperature insulation, can increase in coating
Add and apply film toughness and raising weatherability.Silica flour heat endurance is good, acid resistance resistance to ag(e)ing is good, oil absorbency is low.
Preferable technical scheme, the functional stuffing are zinc oxide.
In above-mentioned technical proposal, the preservative is isothiazoline -3- ketone preservatives, and mould inhibitor is that fused heterocycle is mould proof
Agent, preservative and mould inhibitor can reduce coating and film and be caused rotten risk by microorganism infringement.The antifreezing agent is
Ethylene glycol or propane diols, can assign coating has preferable low-temperature storage；Coalescents active ingredient is 2,2,4- front threes
Base pentanediol -1,3 mono isobutyrate, emulsion film forming can be made good；Emulsifying agent is polyoxyethylene sorbitan fatty acid ester
Class emulsifying agent, antifreezing agent and coalescents stable emulsifying are dispersed in water.
Preferable technical scheme, the titanium dioxide are rutile type titanium white, and rutile type titanium white is to the anti-of sunshine
Penetrate that scattering power is strong, Weatherproof ageing-resistant, stable chemical performance.
In above-mentioned technical proposal, the emulsion is pure-acrylic emulsion, organic-silicon-modified emulsion, UV-crosslinked emulsion, fluorine carbon breast
One or several kinds of any combination in liquid.Emulsion in the present invention is the most basic substance of coating film forming, the performance of emulsion
The quality of coating property is largely decide, the emulsion that the present invention chooses has good Weatherproof ageing-resistant, water-fast stain resistant
Property and the good transparency.
The pH value regulator is one kind in ammoniacal liquor, sodium hydroxide solution and the multifunctional assistant.
The above-mentioned metal Roof preparation method of building waterproof heat-insulating coating, comprises the following steps：
（1）It is pre-dispersed：Formula is formed by the first component and weighs each raw material, and water and the first thickener are added into dispersion cylinder, is started
Dispersion machine, keep 600 ~ 1500 revs/min of rotating speed, sequentially add the first dispersant, the second dispersant, wetting agent, the first defoamer,
Second defoamer, multifunctional assistant, preservative, mould inhibitor, titanium dioxide, compound heat-insulation powder, filler, zinc oxide, disperse 15 to 35
Minute；
（2）Scattered at a high speed or sand milling：The fineness of slurry is set to reach 40 ~ 80 microns；
（3）Paint：Slurry is moved in paint mixing cylinder, starts dispersion machine, it is anti-by what is emulsified in advance under 600 ~ 1000 revs/min
Freeze agent, coalescents, emulsifying agent, water addition, sequentially add emulsion, the second thickener, the 3rd thickener, use pH value regulator
PH to 9.5 or so is adjusted, adds tributyl phosphate；
（4）Filtering, obtains required water-proof heat-insulating paint.
The present invention operation principle be：Pass through a kind of metal Roof buildings waterproof of application on the metal Roof of building
Insulating moulding coating, play the effect of waterproof and heat-insulating protected decoration.
More than the 99% of solar radiation spectrum is between 0.15~4.0 micron of wavelength.About 50% solar radiation energy exists
Visible range（0.4~0.76 micron of wavelength）, 7% in ultraviolet spectra area（Wavelength<0.4 micron）, 43% in infrared spectral region（Ripple
It is long>0.76 micron）.
The present invention is reflected solar spectrum energy, obstructed and radiated by compound heat-insulation powder, reaches heat-insulated purpose.
Compound heat-insulation powder in the present invention specifically comprises the tired support powder of nanometer and crystal whisker of hexa potassium titanate is scattered by mixing, then passes through table
Face is modified and formed.Wherein tired support powder both plays carrier function, it may have obstructs the function of solar radiation.Rectorite is crystal structure
Special aluminium silicate mineral, replaced regularly under special natural condition by class mica elementary layer and class montmorillonite elementary layer
Accumulation, but is not the simple combination of the two, the especially rather rare of its banded microstructure and rectorite is right in itself
Shortwave spectrum especially ultraviolet has very strong iris action.The composition of crystal whisker of hexa potassium titanate is K2Ti6O13, structure is chain tunnel
Road formula structure, K+Ion is occupied among tunnel.Direct result caused by this structure is K+Ion has high stability, also because
This structure so that crystal whisker of hexa potassium titanate has the characteristics of heat-insulated structural heat-insulation, physics, infrared reflection radiation.As can be seen here,
Compound heat-insulation powder has good reflection, barrier and radianting capacity made of tired support powder and crystal whisker of hexa potassium titanate.
Emulsion used in the present invention is one kind in pure-acrylic emulsion, organic-silicon-modified emulsion, UV-crosslinked emulsion, fluorine carbon emulsion
Or several any combination.Pure-acrylic emulsion is by methyl acrylate, ethyl acrylate, butyl acrylate and methyl methacrylate
Copolymerization, autohemagglutination form between the acrylic ester monomers such as ester, EMA, butyl methacrylate, acroleic acid polymerization
Thing emulsion design is flexible, excellent performance.Organosilicon rubber emulsion is with silicon-oxygen（Si-O）Key is backbone structure, is had very
Outstanding heat resistance：Heat endurance is high, under high temperature（Or radiation exposure）The chemical bond of molecule is not easy to break, does not decompose；Low temperature
When still have very high extension property, can be used within the scope of a very wide temperature, be not easy to be decomposed by ultraviolet light and ozone.
UV-crosslinked acrylic emulsion introduces on the side chain of copolymer contains ultraviolet optical active group so that work of the film in ultraviolet
Crosslinked under.Fluorine carbon emulsion is with fluorine carbon key（F-C）For major key, its bond energy is 486KJ mol-1, bond distance ratio higher than carbon-carbon bond
Carbon-carbon bond section, thus major key has the compliance of height, its high temperature resistant, low temperature resistant, ultraviolet light and aging performance is especially excellent, and
Oxidation resistent susceptibility is good, surface energy is low, and because surface tension is small, water and other dirts are not easy to adhere to, thus have good moisture resistance,
Water-resistance and water vapor.
Functional filler used in the present invention is zinc oxide.Zinc oxide is crystallized for hexaplanar or powder, nontoxic, tasteless, tool
There are good heat resistance and light resistance.In coating film forming, formd between the acrylic resin molecule in zinc oxide and coating
Stronger intermolecular force or the coordination of metal ligand, make closely to connect to form bigger point between molecular resin
Son so that the closer flexible of film of coating, substantially change so causing the tensile strength of coating, water absorption rate, stain resistance to have
It is kind.
With above-mentioned technical proposal, the present invention has following advantage compared with prior art：
1st, the present invention is using the NEW TYPE OF COMPOSITE heat-insulating powder being mainly made up of the tired support powder of nanometer and crystal whisker of hexa potassium titanate, to solar spectrum
There are very high reflection, barrier and radiance, good heat-insulation effect.
2nd, simple production process is efficient, and equipment investment is small.
3rd, elastic performance is good, is suitable for expand with heat and contract with cold caused deformation and the stress of metal Roof completely.
4th, high temperature performance is excellent, the present invention introduce organic-silicon-modified emulsion improve coating heat resistance and low temperature it is soft
Property so that the natural trend of extraneous scorching summer and freezing winter can be tackled.
5th, water resistance, the stain resistance of film are increased using functional filler.
6th, the stain resistance of coating is improved using UV-crosslinked emulsion, improves the conservation rate of reflective insulation function.
Embodiment
Below by embodiment, the invention will be further described：
Embodiment one
A kind of metal Roof is as follows with building waterproof heat-insulating coating and preparation method thereof：
8.5 parts of water 1 and 0.04 part of thickener 1 are added in dispersion cylinder, starts dispersant speed governing to 800 revs/min or so, successively
Add 0.25 part of 1,0.45 part of dispersant, 2,0.1 parts of dispersant wetting agent, 0.2 part of 1,0.3 part of defoamer, 2,0.05 parts of defoamer
Multifunctional assistant, 0.05 portion of preservative, 0.005 part of mould inhibitor, stir, continuously add 15 parts of titanium dioxides, 22.5 parts it is compound
Heat-insulating powder, 2.5 part of 800 mesh sericite in powder, 4 part of 800 mesh silica flour, 1 part of zinc oxide.1 part of propane diols, 1.25 parts of film forming are helped
Agent, 0.01 part of emulsifying agent, 1 part of pre-emulsification of water 2, add in dispersion cylinder.Rotating speed is improved to 1200 revs/min, is disperseed 30 minutes.It will divide
Dissipate gained slurry in cylinder to move in paint mixing cylinder after being sanded to 60 microns of fineness by sand mill, turn for being 800 revs/min in dispersant
Under speed, 40 parts of pure-acrylic emulsions, 0.2 part of thickener, 2,0.2 parts of thickeners 3 are sequentially added, adjust pH value to 9.5 with ammoniacal liquor, finally
0.05 part of tributyl phosphate is added, filters and packages finished product i.e..
End properties reach JG/T375-2012 by test《Metal Roof acrylic acid high-elastic waterproof coating》Middle heat reflection
The over-all properties requirement of type, testing result such as table 1：
Table 1
。
Embodiment two
A kind of metal Roof is as follows with building waterproof heat-insulating coating and preparation method thereof：
17.5 parts of water 1 and 0.06 part of thickener 1 are added in dispersion cylinder, starts dispersant speed governing to 800 revs/min or so, according to
0.2 part of 1,0.5 part of dispersant, 2,0.15 parts of dispersant wetting agent of secondary addition, 0.2 part of defoamer, 1,0.2 part of defoamer 2,0.15
Part multifunctional assistant, 0. 1 portions of preservatives, 0.25 part of mould inhibitor, stir, continuously add 19 parts of titanium dioxides, 15 parts it is compound every
Hot powder, 2.5 part of 800 mesh sericite in powder, 4 part of 800 mesh silica flour, 2 parts of zinc oxide.By 1.5 parts of ethylene glycol, 1.7 parts of coalescents,
0.015 part of emulsifying agent, 1.825 parts of pre-emulsifications of water 2, add in dispersion cylinder.Rotating speed is improved to 1200 revs/min, is disperseed 30 minutes.Will
Gained slurry is moved in paint mixing cylinder after being sanded by sand mill to 60 microns of fineness in dispersion cylinder, is 800 revs/min in dispersant
Under rotating speed, 31.5 parts of silicone acrylic emulsions, 0.25 part of thickener 2 are sequentially added, adjusts pH value to 9.5 with 30 sodium hydroxide solutions, most
0.05 part of tributyl phosphate is added afterwards, filters and packages finished product i.e..
End properties reach JG/T375-2012 by test《Metal Roof acrylic acid high-elastic waterproof coating》Middle heat reflection
The over-all properties requirement of type, testing result such as table 2：
Table 2
。
Embodiment three
A kind of metal Roof is as follows with building waterproof heat-insulating coating and preparation method thereof：
20 parts of water 1 and 0.08 part of thickener 1 are added in dispersion cylinder, starts dispersant speed governing to 800 revs/min or so, successively
Add 0.45 part of 1,0.55 part of dispersant, 2,0.2 parts of dispersant wetting agent, 0.4 part of 1,0.4 part of defoamer, 2,0.25 parts of defoamer
Multifunctional assistant, 0. 15 portions of preservatives, 0.05 part of mould inhibitor, stir, continuously add 25 parts of titanium dioxides, 10 parts it is compound every
Hot powder, 2.5 part of 800 mesh sericite in powder, 4 part of 800 mesh silica flour, 3 parts of zinc oxide.By 1.5 parts of ethylene glycol, 1.5 parts of coalescents,
0.02 part of emulsifying agent, 1.7 parts of pre-emulsifications of water 2, add in dispersion cylinder.Rotating speed is improved to 1200 revs/min, is disperseed 30 minutes.It will divide
Dissipate gained slurry in cylinder to move in paint mixing cylinder after being sanded to 60 microns of fineness by sand mill, turn for being 800 revs/min in dispersant
Under speed, sequentially add 25 parts of silicone acrylic emulsions, 0.5 part of thickener, 2,0.5 parts of thickeners 3, with 30 sodium hydroxide solutions adjust pH value
To 9.5,0.05 part of tributyl phosphate is eventually adding, filters and packages finished product i.e..
End properties reach JG/T375-2012 by test《Metal Roof acrylic acid high-elastic waterproof coating》Middle heat reflection
The over-all properties requirement of type, testing result such as table 3：
Table 3
。
From the metal Roof building waterproof heat-insulating coating items that three embodiments above, the present invention prepare
It can meet the requirement of high-class product and GB/T25261-2010 standards in GB/T9755-2001, and with good hydrophobic
Property.
In the present invention, compound heat-insulation powder is used as main reflective insulation functional filler, and modified titanium is anti-for auxiliary
Heat insulating function filler is penetrated, coating is had good reflectivity to sunshine, there is good radiativity to heat.Moreover, using
Acrylic emulsion, silicone acrylic emulsion, organic-silicon-modified emulsion and fluorine carbon emulsion compounding use so that this coating has good water proofing property
Energy, elastic performance, resistance to elevated temperatures, low temperature flexibility.In addition to above-mentioned 2 points of excellent functions, this coating possesses common building painting
The advantages of material, concise production process, low cost, construction easily, short time limit, aqueous, environmental protective, it is nontoxic not so, can metal Roof waterproof
It is heat-insulated.
Claims (10)
1. a kind of metal Roof building waterproof heat-insulating coating, it is characterised in that formed by the allotment of following two groups of components, with quality
Number meter, the composition of each component are as follows：
First component：
8.5 ~ 20 parts of water, the first 0.04 ~ 0.08 part of thickener, the first 0.15 ~ 0.75 part of dispersant, the second dispersant 0.45 ~
0.85 part, 0.1 ~ 0.2 part of wetting agent, the first 0.2 ~ 0.4 part of defoamer, the second 0.2 ~ 0.4 part of defoamer, multifunctional assistant 0.05
~ 0.25 part, 0.05 ~ 0.15 part of preservative, 0.05 ~ 0.25 part of mould inhibitor, 15 ~ 25 parts of titanium dioxide, compound heat-insulation powder 10 ~ 22.5
Part, 2 ~ 6.5 parts of filler, 1 ~ 3 part of functional stuffing,
Second component：
1 ~ 2 part of antifreezing agent, 1.25 ~ 2 parts of coalescents, 0.01 ~ 0.02 part of emulsifying agent, 1 ~ 3 part of water, 25 ~ 60 parts of emulsion, second increases
Thick dose 0.2 ~ 0.5 part, the 3rd 0.2 ~ 0.5 part of thickener, 0.05 ~ 0.15 part of pH value regulator, 0.05 part of tributyl phosphate；
Wherein, the compound heat-insulation powder tires out to ask powder and crystal whisker of hexa potassium titanate scattered by mixing and carry out surface modification and formed
Compound.
A kind of 2. metal Roof building waterproof heat-insulating coating according to claim 1, it is characterised in that：Described first point
Powder is inorganic salts dispersant, and second dispersant is water-based polycarboxylic acid salt's dispersant, and the wetting agent is alkyl phenol
Polyethenoxy ether class wetting agent, the active ingredient of the multifunctional assistant is 2-amino-2-methyl-1-propanol.
A kind of 3. metal Roof building waterproof heat-insulating coating according to claim 1, it is characterised in that：Described first disappears
Infusion is organosilicon and the compound defoamer of esters, and the second defoamer is the mixture of hydrophobic silica and mineral oil, described
First thickener is cellulose ether thickener, and the second thickener is alkali swelling type thickener, and the 3rd thickener increases for polyurethanes
Thick dose, the filler is any one or the two the mixture of sericite in powder and silica flour, and the functional stuffing is metal
Oxide.
A kind of 4. metal Roof building waterproof heat-insulating coating according to claim 3, it is characterised in that：The function is filled out
Expect for zinc oxide.
A kind of 5. metal Roof building waterproof heat-insulating coating according to claim 1, it is characterised in that：The preservative
For isothiazoline -3- ketone preservatives, mould inhibitor is fused heterocycle mould inhibitor, and the antifreezing agent is ethylene glycol or propane diols,
Coalescents active ingredient is 2,2,4- TMPD -1,3 mono isobutyrates, and emulsifying agent is polyoxyethylene sorbitan
Fatty acid ester emulsifying agent.
A kind of 6. metal Roof building waterproof heat-insulating coating according to claim 1, it is characterised in that：The titanium dioxide
For rutile type titanium white.
A kind of 7. metal Roof building waterproof heat-insulating coating according to claim 1, it is characterised in that：The emulsion is
One or several kinds of any combination in pure-acrylic emulsion, organic-silicon-modified emulsion, UV-crosslinked emulsion, fluorine carbon emulsion.
A kind of 8. metal Roof building waterproof heat-insulating coating according to claim 1, it is characterised in that：The pH value is adjusted
Section agent is one kind in ammoniacal liquor, sodium hydroxide solution and the multifunctional assistant.
A kind of 9. metal Roof building waterproof heat-insulating coating according to claim 1, it is characterised in that：It is described it is compound every
Hot powder is prepared using following methods, and thunder support powder and crystal whisker of hexa potassium titanate are made into slurry for 50~95: 1 ratio in mass ratio,
Phosphate compounds is first added, adds water soluble silicon compound, makes SiO2Heat-insulating powder particle surface is deposited in, adds aluminium salt
Coating agent makes powder coating, dispersed, is obtained after washing, filter, dry, grind, and powder particle size is controlled below 50 μm.
10. the preparation method of the metal Roof building waterproof heat-insulating coating described in claim 1, it is characterised in that including as follows
Step：
（1）It is pre-dispersed：Formula is formed by the first component and weighs each raw material, and water and the first thickener are added into dispersion cylinder, is started
Dispersion machine, keep 600 ~ 1500 revs/min of rotating speed, sequentially add the first dispersant, the second dispersant, wetting agent, the first defoamer,
Second defoamer, multifunctional assistant, preservative, mould inhibitor, titanium dioxide, compound heat-insulation powder, filler, zinc oxide, disperse 15 to 35
Minute；
（2）Scattered at a high speed or sand milling：The fineness of slurry is set to reach 40 ~ 80 microns；
（3）Paint：Slurry is moved in paint mixing cylinder, starts dispersion machine, it is anti-by what is emulsified in advance under 600 ~ 1000 revs/min
Freeze agent, coalescents, emulsifying agent, water addition, sequentially add emulsion, the second thickener, the 3rd thickener, use pH value regulator
PH to 9.5 or so is adjusted, adds tributyl phosphate；
（4）Filtering, obtains required water-proof heat-insulating paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893040A (en) * | 2018-06-15 | 2018-11-27 | 苏州市姑苏新型建材有限公司 | A kind of anticorrosive heat insulating waterproof end silylated polyether coating and preparation method thereof |
| CN108948988A (en) * | 2018-06-15 | 2018-12-07 | 苏州市姑苏新型建材有限公司 | A kind of metal Roof low temperature resistant end silylated polyether water-repellent paint and preparation method thereof |
| CN109251610A (en) * | 2018-07-23 | 2019-01-22 | 天津市奇才防水材料有限公司 | A kind of environment protection colour steel construction waterproof paint specially |
| CN109852179A (en) * | 2019-02-20 | 2019-06-07 | 上海牛元工贸有限公司 | A kind of metal Roof acrylic acid high-elastic waterproof coating and preparation method thereof |
| CN109971281A (en) * | 2019-04-15 | 2019-07-05 | 苏州市姑苏新型建材有限公司 | A kind of rapid-curing cutback building water-proof paint |
| CN110229577A (en) * | 2019-06-18 | 2019-09-13 | 佛山市智韧新材料有限公司 | A kind of metal Roof high elasticity water-proof paint and its production technology |
| CN111154363A (en) * | 2020-01-16 | 2020-05-15 | 天津滨海澳泰防水材料有限公司 | High-reflection type metal roof waterproof coating and preparation method thereof |
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| CN102051073A (en) * | 2010-12-20 | 2011-05-11 | 昆明理工大学 | Surface-modified titanium white powder and preparation method thereof |
| CN102898917A (en) * | 2012-10-29 | 2013-01-30 | 苏州市建筑科学研究院有限公司 | Reflection and heat insulation paint for buildings |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893040A (en) * | 2018-06-15 | 2018-11-27 | 苏州市姑苏新型建材有限公司 | A kind of anticorrosive heat insulating waterproof end silylated polyether coating and preparation method thereof |
| CN108948988A (en) * | 2018-06-15 | 2018-12-07 | 苏州市姑苏新型建材有限公司 | A kind of metal Roof low temperature resistant end silylated polyether water-repellent paint and preparation method thereof |
| CN109251610A (en) * | 2018-07-23 | 2019-01-22 | 天津市奇才防水材料有限公司 | A kind of environment protection colour steel construction waterproof paint specially |
| CN109852179A (en) * | 2019-02-20 | 2019-06-07 | 上海牛元工贸有限公司 | A kind of metal Roof acrylic acid high-elastic waterproof coating and preparation method thereof |
| CN109971281A (en) * | 2019-04-15 | 2019-07-05 | 苏州市姑苏新型建材有限公司 | A kind of rapid-curing cutback building water-proof paint |
| CN110229577A (en) * | 2019-06-18 | 2019-09-13 | 佛山市智韧新材料有限公司 | A kind of metal Roof high elasticity water-proof paint and its production technology |
| CN111154363A (en) * | 2020-01-16 | 2020-05-15 | 天津滨海澳泰防水材料有限公司 | High-reflection type metal roof waterproof coating and preparation method thereof |
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Address after: No. 1979, Yinzhong South Road, Hedong Industrial Park, Wuzhong Economic Development Zone, Suzhou, Jiangsu Applicant after: Suzhou Gusu Novel Building Materials Co., Ltd. Address before: 215132 Wang Fang Road, Huangqiao Town, Suzhou, Jiangsu, Xiangcheng District Applicant before: Suzhou Gusu Novel Building Materials Co., Ltd. |
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Application publication date: 20180112 |