CN108893040A - A kind of anticorrosive heat insulating waterproof end silylated polyether coating and preparation method thereof - Google Patents
A kind of anticorrosive heat insulating waterproof end silylated polyether coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- 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
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
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- C—CHEMISTRY; METALLURGY
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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- C—CHEMISTRY; METALLURGY
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
Abstract
The invention discloses a kind of water-repellent paint, quality group becomes：50~200 parts of silylated polyether resin of end, 20~150 parts of plasticizer, 0.5~15 part of defoaming agent, 0.2~8 part of dispersing agent, 10~150 parts of rust resisting pigment, 5~120 parts of compound heat-insulation powder, 0~50 part of pigment, 0~120 part of filler material, 0.2~30 part of light stabilizer, 0.2~50 part of deicer, 0.5~55 part of adhesion promoter, 0.5~19 part of catalyst.The water-repellent paint of disclosure of the invention has waterproof, anti-corrosion, heat-blocking action, provides to colored steel roof, metal tank, metallic conduit, metal Roof are more longlasting, more fully anti-corrosion, heat-insulated, waterproofing protection.
Description
Technical field
The present invention relates to building water-proof paint technical fields, and in particular to a kind of anticorrosive heat insulating waterproof end silylated polyether painting
Material and preparation method thereof.
Technical background
Many buildings, the metal component of structures, component usually need to coat coating and are protected, repaired, such as greatly
The colored steel roof of amount, metal tank, metallic conduit, metal Roof etc..The protection and reparation of these bases, for coating
Performance has very high requirement.These bases are mostly based on steel, although having zinc-plated or film mostly, for existing base
Layer is usually present corrosion, rust staining or has begun corrosion, so proposing the performance requirement of antirust, anti-corrosive to coating；Metal Roof
Now with heat-insulating and energy-saving requirement, storage tank, pipeline coating also have heat-insulated and corrosion-resistant requirement.
Current existing coating there is also some problems in production, use.For example, application No. is 201310244734.X
Chinese invention patent disclose a kind of Water-resistant paint for steel structure color steel tile, application No. is 201510898394.1 Chinese inventions
Patent application discloses a kind of composite metal roof insulation water-repellent paint and preparation method thereof, which all uses
The materials such as hollow glass micropearl prepare heat-insulating waterproof coating.But such coating that reflective insulation function is realized using microbead type,
There are problems that in production and application it is some can not avoid defect and；In addition metal Roof waterproof and heat-insulating currently used in the market
Although coating is flexible at normal temperature, elasticity becomes smaller or even becomes fragile at low temperature, therefore can lead to the problem of in use：
(1) for the functional filler of microbead type, since partial size is generally large, in the field that some coating fineness require
Conjunction cannot be met the requirements.Most important shortcoming be due to the crisp brittle nature of the matter of functional filler, cannot be fully according to biography
The building coating technique of system is produced.Majority producer is produced using rolling altar method at present.This production technology inefficiency,
Production time extends, equipment cleans difficulty, and equipment investment is very big.
(2) for the functional filler of nanometer titanium dioxide and modified titanium class, there is very high refraction coefficient, it is right
Visible light has good reflecting effect, but poor to the reflection of infrared light.
(3) for metal oxide good for some radiances, due to having deeper color, make its application
It is very restricted.
(4) relatively large sized due to microbead type functional filler, have not to the elastic property and cryogenic property of film
Benefit influences.
(5) in some severe cold areas in the north, winter minimum temperature can reach subzero 30 or even subzero 40 DEG C, in this condition
Under, the film of common metal roofing waterproof paint follows the string or embrittlement.And at this time due to the dead load of heavy snow covering application
The dynamic load or the two superposition that either strong wind wind pressure applies make the seam of metal, overhanging, separate supporting point suspending part
Position is easy to produce biggish displacement, dislocation and deformation, and stress tears the film for following the string or becoming fragile, and leads to snow melting
Afterwards with the leakage of roofing when the rainy day.
(6) there is no antirust, anti-corrosive function.The film of new coating is easy to cause base to corrode after there is defect, renovates, changes
It needs to carry out preservative treatment to base when making, increases process and cost.
Accordingly, it is desirable to provide a kind of anticorrosive heat insulating waterproof end silylated polyether coating, to solve the above problems.
Invention particular content：
It is an object of the present invention to provide a kind of anticorrosive heat insulating waterproof end silylated polyether coating, have performance comprehensively,
The advantages that economic and environment-friendly, provides more longlasting, more fully anti-to colored steel roof, metal tank, metallic conduit, metal Roof
Rotten, heat-insulated, waterproofing protection.
To achieve the above object, the specific technical solution of the present invention is：
A kind of anticorrosive heat insulating waterproof end silylated polyether coating, which is characterized in that in parts by mass include following components：
50~200 parts of silylated polyether resin of end, 20~150 parts of plasticizer, 0.5~15 part of defoaming agent, dispersing agent 0.2~8
Part, 10~150 parts of rust resisting pigment, 5~120 parts of compound heat-insulation powder, 0~50 part of pigment, 0~120 part of filler material, light stabilizer
0.2~30 part, 0.2~50 part of deicer, 0.5~55 part of adhesion promoter, 0.5~19 part of catalyst.
Further, the end group of the end silylated polyether resin is siloxy Si-OR, and main chain is polypropylene oxide knot
Structure.
Further, the plasticizer is one of ester plasticizer, isoparaffin solvent oil or its two kinds mixing
Object.
Further, the rust resisting pigment is micaceous iron oxide, iron oxide red, trbasic zinc phosphate, modified zinc phosphate, tripolyphosphate
Aluminium, modified phosphate aluminium, aluminium zinc phosphomolybdate, two kinds and two or more combinations in zinc ferrite.
Further, the compound heat-insulation powder is that tired support powder and crystal whisker of hexa potassium titanate disperse by mixing and carry out surface to change
Property made of compound, it is described it is tired support powder and crystal whisker of hexa potassium titanate mass ratio be (50~95)：1.
It is in mass ratio 50~95 by tired support powder and crystal whisker of hexa potassium titanate:Certain density slurry is made in 1 ratio, first plus
Enter phosphate compounds, add water soluble silicon compound, SiO2 is made to be deposited in heat-insulating powder particle surface.Then by this slurry
Adjusting pH value by liquid alkaline is 10.0, is heated to 70 DEG C under stirring conditions, 2% sodium aluminate solution is passed through peristaltic pump
It is added in slurry with the flow velocity of 1.5mL/min, when the pH value of slurry is 8 ± 0.2, stops being added.Then it is in revolving speed
100r/min, temperature are aged 45min under conditions of being 75 DEG C, adopt and are washed with deionized and filters pressing, the electricity by filter cake at 140 DEG C
Dry 18h in hot insulating box, with the further ultra-fine grinding of airslide disintegrating mill, powder particle size control after tentatively being crushed with high speed disintegrator
Compound heat-insulation powder product hereinafter, modified up to surface is made at 50 μm.Heat-insulating powder particle surface can be made to coat one layer by processing
Silicon, aluminium ion are attached to heat-insulating powder surface simultaneously by inorganic matter, so that the photo-thermal inertia of dispersibility and heat-insulating powder, is improved anti-
Penetrate heat-insulating efficiency and weatherability.
Further, the pigment is inorganic pigment or organic pigment；The filler material be Sulfates, carbonate,
One or more of silicates.
Further, the light stabilizer is ultraviolet absorbing agent, hindered amine light stabilizer, excited state quenchers and peroxide
Change one or more of hydrogen distintegrant.
Further, the titanium dioxide is rutile type titanium white.
Further, the deicer be oxazole alkanes, p-Methyl benzenesulfonyl isocyanate class, triethyl orthoformate class and
Organic silicon.
Further, the adhesion promoter is silane coupling agent.
Further, the catalyst is one in tin, iron, the fatty acid salt of lead, organic amine, titanate esters and its chelate
Kind is several.
Further, the defoaming agent is mineral oil defoaming agent, organic silicon defoaming agent and the polymerization without organosilicon
One or more of species defoaming agent.
Further, the dispersing agent is the polybasic carboxylic acid salt, unsaturated polycarboxylic acids and polysiloxanes of polynary glutamine
Class, arcylic acid species, polyester modification arcylic acid species, polyether phosphate copolymer analog, in high-molecular block copolymer class
One or more.
The working principle of the invention is：
End silylated polyether resin in coating is exposed in atmosphere, with atmosphere after construction in the presence of a catalyst
In hydrone react generation crosslinking, to form waterproof coating.Its specific mechanism is to be rapidly hydrolyzed into silanol group under,
Silanol group occurs bunching again and generates three-dimensional net structure, is shown below：
The main component of coating disclosed by the invention is end silylated polyether resin, and main chain is propylene oxide polyethers flexible
Segment, end group is the siloxy with reactivity, therefore the solidification process of coating is the moisture in siloxy group and air
Reaction is realized by its hydrolysis and condensation be crosslinked in the presence of a catalyst, to obtain the elastomer with cross-linked structure.End group
The hydrolysis-condensation reaction speed of siloxy and the completeness of reaction influence workability and service performance to a certain extent, packet
Include coating surface drying time, elongation percentage and caking property etc..In general, hydrolyzable alkoxy number more more then moons are easy on silane
Hydrolytic condensation, much faster than dialkoxy silicane hydrolytic condensation such as trialkoxy silane, the former can not have to catalyst
Vulcanization crosslinking and the latter is carried out to need to there is crosslinking that could be relatively good in catalyst.Coating is from liquid to solid chemical reaction
Process is：End of the chain Si-OR group first in air water occur hydrolysis generate Si-OH, obtained Si-OH again with Si-
Condensation forms Si-O-Si key between OR condensation or two Si-OH, while releasing by-product H2O or CH3OH, eventually form with
Si-O-Si key is network cross-linked point, is the cross-linked structure of propylene oxide polyether segment flexible between crosslinking points.Sealing glue solidifying
In the process, it is that condensation reaction is hydrolyzed with steam in the Si-OR group that outer layer is contacted with air first, forms chemical crosslinking, reach
It is attached on finger to adhesion without adhesiver, this process is the surface drying process of glue, and the time of experience is surface drying time.Metallic tin, iron,
Fatty acid salt, organic amine, titanate esters and its chelate of lead etc. can promote the crosslinking of end silylated polyether resin.
Due to the curing mechanism of this coating be coating coating after with the moisture in air under the effect of the catalyst with end silicon
Hydrolysis occurs for alkane, and then is crosslinked last film forming, therefore this coating needs to keep anhydrous state during storage, so plus
It is necessary for entering deicer.Common deicer oxazolidine class, p-Methyl benzenesulfonyl isocyanate class, triethyl orthoformate class
And organic silicon.
The present invention reflects solar spectrum energy by compound heat-insulation powder, obstructs and radiates, and achievees the purpose that heat-insulated.
Compound heat-insulation powder in the present invention specifically comprises the tired support powder of nanometer and crystal whisker of hexa potassium titanate by mixing dispersion, then passes through table
Face modification forms.Wherein tire out support powder and both play carrier function, it may have obstructs the function of solar radiation.Rectorite is crystal structure
Special aluminium silicate mineral is replaced under special natural condition regularly by class mica elementary layer and class montmorillonite elementary layer
Accumulation, but the simple combination for both not being, the especially rather rare of its banded microstructure and rectorite itself is right
Shortwave spectrum especially ultraviolet light has very strong barrier action.The group of crystal whisker of hexa potassium titanate becomes K2Ti6O13, structure is chain tunnel
Road formula structure, K+Ion occupies among tunnel.Direct result caused by this structure is K+Ion have high stability, also because
This structure, so that crystal whisker of hexa potassium titanate has the characteristics that structural heat-insulation, physics be heat-insulated, infrared reflection radiation.It can be seen that
The compound heat-insulation powder made of tired support powder and crystal whisker of hexa potassium titanate has good reflection, barrier and radianting capacity.
Metal erosion is that chemical or electrochemical reaction occurs for medium in metal surface and ambient enviroment, gradually by table and
In, metal is destroyed, the result of its original performance is lost.In China, preventing crude media (water, seawater, atmosphere and soil
Earth) corrosion becomes antirust, and preventing industrial media (acid, alkali, salt corrosion are as anti-corrosion or anticorrosion).The present invention is then needle
The antirust technology scheme proposed for metal Roof.The corrosion mechanism of metal Roof is that it constitutes original under the action of crude media
Battery occurs cell reaction and occurs.Coating of the invention metal Roof by physical actions and the corrosion inhibitions such as shielding,
The chemical actions such as cathodic protection reach rust-proof effect.
There are many chemical anti-rust pigments in rust resisting pigment in the present invention.The metal surface of chemical anti-rust pigment and base hair
Raw effect, such as passivation, phosphorization, generates new surface covering, such as passivating film, phosphating coat etc..The electricity of these films
A possibility that electrode potential is positive compared with parent metal, makes metal surface part or all avoids as anode；Simultaneously as film
On there are many micropores, convenient for the attachment of film forming matter, can prevent to corrode under film and place that paint film destroys extends to the outside.
Other than having an effect with metal surface, some rust resisting pigments form resistance corrosion complex compound in film forming procedure, improve antirust effect
Fruit, such as trbasic zinc phosphate.
Trbasic zinc phosphate is a kind of hydrate, has the ability for generating basic complex, this complex compound can be with the polarity in coating
Group, such as hydroxyl, carboxyl are further complexed, and generate crosslink complex, the water resistance and adhesive force of paint film can be enhanced；And
Playing important rust-proof mechanism is metal surface and the Fe in base3+Form the complex compound Fe [Zn of adhesion-tight3(PO4)3] beds of precipitation
And inhibit anode reaction.
It generallys use multiple means to be modified trbasic zinc phosphate, to improve its antirust activity, these products are referred to as being modified
Trbasic zinc phosphate.It is currently used to have：Adjustment particle size reaches miniaturization, changes crystal grain shape；Alkali；Chemical modification；
The methods of phosphoric acid zinc-base combination pigment is modified.By modification, the antirust ability of trbasic zinc phosphate is improved.
Aluminium triphosphate is white pigment, its main component is aluminium dihydrogen tripolyphosphate (AlH2P3O10·2H2It O) is one
Kind solid acid, the water dissolution that aluminium triphosphate can be infiltered in film, is dissociated by following form：
AlH2P3O10→Al3++2H++P3O10 5-
This tripolyphosphate salt ion (P3O10 5-) reacted with the ferric iron formed during corrosion, one kind is formed mainly by three
The protective film of polyphosphoric acid high-speed rail composition, this protective film is not soluble in water, and hardness is high, good in conjunction with firm thus adhesive force.Additionally, due to
Aluminium triphosphate is condensed type, can form from pyrophosphate to orthophosphates that these are degraded in aqueous solution with depolymerization
Object is closed, the new active group formed in this way can form fabulous protective film with coating surface again.So aluminium triphosphate is with dual
Rust-proof mechanism.Bubble can be inhibited to generate to obtain shelf characteric preferably modified aluminium triphosphate by the way that ZnO, CaO is added.
Aluminium zinc phosphomolybdate is with the process such as the zinc aluminum phosphate of specific quantity and phosphate condensation object, molybdate compound, zinc oxide
Wet lapping is composite modified, composite type anti-rust obtained by gained modified product carries out surface modification and processing with surfactant again
Pigment has the characteristics that high-efficiency environment friendly.Zinc ferrite is the rust resisting pigment of function admirable, has heat-resisting, fast light, nontoxic and sterilization etc.
Distinguishing feature.
And filler material, which is added, can play reinforcement, reduce cost, improve the effects of application property.Sulphur is mainly used in the present invention
Hydrochlorate, silicate and carbonate filler material.Now illustrate：Sulfate filler material mainly has barium sulfate.Barium sulfate is acidproof, resistance to
Alkali, fast light, heat-resisting, oil absorption is low, is good inert filler.Barium sulfate can be divided into natural and two classes of synthesis, naturally be
Blanc fixe, synthesis are blanc fixe.Blanc fixe oil absorption is low, fillibility is good, good leveling property；Blanc fixe whiteness
High, quality exquisiteness, this project will be selected by investigating to it.Silicates filler have talcum powder, kaolin, wollastonite,
Mica powder, sericite, synthetic aluminium silicate etc..Talcum powder crystal category monoclinic system is in hexagon or diamond shape.Talcum powder can improve
The storage characteristics of coating, but it is easy dusting.Kaolin property is similar with talcum powder.The main component of wollastonite is calcium metasilicate, can
To improve the wearability and weatherability of film, the reason is that thin slice is stacked in film due to his sheet and fibrous structure,
In addition to the shielding that can increase film, there are also stronger ultraviolet reflection abilities, thus improve the resistance to ag(e)ing of film.Mica
From the point of view of powder chemically forms, it is exactly silicon a part in the lattice of talcum powder replaced aluminium, anti-corruption can be improved in coating
Corrosion increases surface hardness.Sericite in powder also has similar property with synthetic aluminium silicate.Carbonate mainly has calcium carbonate.Carbon
Cost is relatively low for sour calcium, is to use more filler at present.After fatty acid is surface-treated, have with resin preferable compatible
Property, it can obviously improve the processing performance and mechanical property of sealant.Studies have shown that the calcium carbonate superfine powder through fatty acid treatment, no
But system can be made to obtain good mechanical property, moreover it is possible to provide thixotropy, system is made to obtain good rheological property.This is mainly
Since the fatty acid Long carbon chain of treated calcium carbonate surface can be twined with pfpe molecule chain at intermolecular force and segment
Knot, the dispersion effect in coating are more preferable；Discovery is tested simultaneously, when dosage is identical, calcium carbonate partial size is smaller, the drawing of sealant
It stretches intensity and elongation at break is higher, this is because particle diameter is smaller, specific surface area is bigger, the surface area with polymer contact
More, reinforcement point increases.
The addition of other components also has optimization castering action to the respective performances of coating in this coating.
Beneficial effect：
The present invention has such as compared with existing polyurethane water-proof paint, water-proof acrylic acid paint, Emulsificated asphalt water-proof painting material
Lower advantage:
(1) weatherability and durability
It holds silylated polyether performed polymer molecular weight height and narrowly distributing, unsaturated bond content is very low；The Si-O-Si formed after solidification
The effects of segment is to heat, oxygen, moisture is stablized；Flexible polyether segments between crosslinking points can effectively adjust film by molecular motion
The shrinkage stress that inside generates, it is sufficiently stable to oxygen, ozone, ultraviolet light, so film is weather-proof, UV resistant performance is very good.
If the polyurethane water-proof paint used now, water-proof acrylic acid paint etc. use under exposed environment, generally in 3 to five years
It begins to aging phenomenon occur, lost waterproof action completely in 80 to ten years.According to Japan experiments have shown that, silylated polyether (MS)
Building water-proof paint Acceptable life can be up to 30 years or more in exposed situation.It is non-to be conducive to improve setting for buildings waterproof
The anti-time limit extends Building life cycle, reduces the investment of maintenance cost in the unit time, to realize energy-saving and emission-reduction, realizes green
The original intention of building.
(2) adhesive force is good
End silylated polyether end group is siloxy Si-OR, is hydrolyzed into Si-OH under moisture effect, can be with the hydroxyl of substrate surface
Base or metal oxide form chemical bond or hydrogen bond action, it is made to generate good adhesive force to substrate.
(3) heat resistance and cold resistance
High energy Si-O-Si key is formed after holding silylated polyether sealing glue solidifying, assigns the preferable heat resistance of sealant；Polyethers master
Chain has excellent flexibility, and glass transition temperature is lower, assigns sealant excellent cold resistance.
(4) application property
End silylated polyether backbone structure is the pure polyether structure of macromolecular, urethane bond and urea without high cohesion energy
Key, intermolecular force are smaller；Methyl structural increases intermolecular distance on main chain, further decreases intermolecular active force；
The flexibility of molecular backbone itself is preferable simultaneously, therefore when relative molecular mass is larger, viscosity is still lower, viscosity with temperature
Variation it is small, have good process operability.
(5) feature of environmental protection
It holds silylated polyether viscosity low, there is good process operability；No isocyano and other stimulations time and nuisance
Matter is free of chromium system, lead system rust resisting pigment, environmentally protective, can satisfy the use of each harsh environment.
(6) using the NEW TYPE OF COMPOSITE heat-insulating powder being mainly made 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.
(7) good antirust property is resistant to 168h or more salt water, 500h or more salt spray resistance.
Specific embodiment：
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to invention into
Row is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit
The fixed present invention.
Embodiment one
A kind of anticorrosive heat insulating waterproof is as follows with end silylated polyether coating and preparation method thereof：
185 parts of end silylated polyether resins, 15 parts of two isodecyls of phthalic acid are added in the reaction kettle for having corresponding function
Ester, 5 parts of Tinuvin1130,2 parts of Tinuvin144,2 parts of KS-66,1 part of BYK-P104S, 5 parts of ultra-fine barium sulfates dried,
40 parts of compound heat-insulation powder dried, 65 parts of aluminium triphosphates, 5 parts of rutile type titanium whites dried, start 10~
It mixed under the revolving speed of 100rpm, stir 5~60min；Then it is evacuated to 0.3MPa or less to be suitably worth, continues stirring simultaneously
It begins heat between 80~150 DEG C and is suitably worth, be cooled to 40~60 DEG C hereinafter, 6 parts of isomeries are added after holding 30~300min
Alkane solvent oil, 3 parts of acrylic triethoxysilanes, 2 parts of aminopropyl diethoxymethylsilanes, 2.5 parts of phthalic acids two
Butyl tin continues to vacuumize 5~50min of stirring at 10~45rpm, then discharges, packs.
Since current country, industry, area there is no the related standard of anticorrosive heat insulating waterproof end silylated polyether coating, invention
The relevant regulations of people's standard and standard law according to similar in country, temporary drawing up the enterprise standard, and the product of the present embodiment is carried out
Test, test result is as shown in table 1：
Table 1
As seen from the table, the product of the present embodiment reaches the requirement of the over-all properties in company standard.
Embodiment two：
A kind of anticorrosive heat insulating waterproof is as follows with end silylated polyether coating and preparation method thereof：
It is different pungent that 150 parts of end silylated polyether resins, 10 parts of phthalic acids two are added in the reaction kettle for having corresponding function
Ester, 5 parts of Tinuvin1130,2 parts of Tinuvin144,2 parts of KS-66,1 part of BYK-P104S, 20 parts of ultra-fine sulfuric acid dried
Barium, 70 parts of compound heat-insulation powder dried, 60 parts of trbasic zinc phosphates dried, 20 parts of superfine light calcium carbonates dried, 35 parts
The rutile type titanium white dried starts mixed under the revolving speed of 15~55rpm, stir 5~60min；Then it takes out true
Sky is suitably worth to 0.3MPa or less, continues to stir and begin heat to suitably to be worth between 80~150 DEG C, hold 30~
40~60 DEG C are cooled to after 300min hereinafter, 20 parts of isoparaffin solvent oils, 2.6 parts of acrylic triethoxysilanes, 2 are added
Part aminopropyl diethoxymethylsilane, 2.2 parts of phthalic acid dibutyl tins, continue to vacuumize and stir 5 at 10~45rpm
Then~50min is discharged, is packed.
End properties reach the over-all properties requirement in company standard, testing result such as table 2 by test：
Table 2
Embodiment three：
A kind of anticorrosive heat insulating waterproof is as follows with end silylated polyether coating and preparation method thereof：
100 parts of end silylated polyether resins, 25 parts of different nonyls of phthalic acid two are added in the reaction kettle for having corresponding function
Ester, 4 parts of Tinuvin1130,2.7 parts of Tinuvin144,2 parts of KS-66,5 parts of BYK-P104S, 5 parts of ultra-fine sulfuric acid dried
Barium, 120 parts of compound heat-insulation powder dried, 80 parts of aluminium triphosphates dried, 15 parts of rutile type titanium whites dried,
Start mixed under the revolving speed of 15~55rpm, stir 5~60min；Then 0.3MPa or less is evacuated to suitably to be worth,
Continue to stir and begin heat to suitably to be worth between 80~150 DEG C, hold be cooled to after 30~300min 40~60 DEG C hereinafter, plus
Enter 40 parts of isoparaffin solvent oils, 2.6 parts of acrylic triethoxysilanes, 1.8 parts of aminopropyl diethoxymethylsilanes, 1.5
Part dibutyl tin dilaurate continues to vacuumize 5~50min of stirring at 10~45rpm, then discharges, packs.
End properties reach the over-all properties requirement in company standard, testing result such as table 3 by test：
Table 3
Example IV：
A kind of anticorrosive heat insulating waterproof is as follows with end silylated polyether coating and preparation method thereof：
185 parts of end silylated polyether resins, 25 parts of different nonyls of phthalic acid two are added in the reaction kettle for having corresponding function
Ester, 12 parts of Tinuvin1130,5 parts of Tinuvin144,2 parts of KS-66,6 parts of BYK-P104S, 4 parts of ultra-fine sulfuric acid dried
Barium, 125 parts of compound heat-insulation powder dried, 75 parts of modified phosphate aluminium dried, 20 parts of rutile type titanium whites dried,
Start mixed under the revolving speed of 15~55rpm, stir 5~60min；Then 0.3MPa or less is evacuated to suitably to be worth,
Continue to stir and begin heat to suitably to be worth between 80~150 DEG C, hold be cooled to after 30~300min 40~60 DEG C hereinafter, plus
Enter 35 parts of isoparaffin solvent oils, 2.6 parts of acrylic triethoxysilanes, 1.8 parts of aminopropyl diethoxymethylsilanes, 1.5
Part dibutyl tin dilaurate continues to vacuumize 5~50min of stirring at 10~45rpm, then discharges, packs.
End properties reach the over-all properties requirement in company standard, testing result such as table 4 by test：
Table 4
Embodiment five：
A kind of anticorrosive heat insulating waterproof is as follows with end silylated polyether coating and preparation method thereof：
200 parts of end silylated polyether resins, 32 parts of different nonyls of phthalic acid two are added in the reaction kettle for having corresponding function
Ester, 4 parts of Tinuvin1130,2.7 parts of Tinuvin144,2 parts of KS-66,8 parts of BYK-P104S, 120 parts of modification phosphorus dried
Sour zinc, 75 parts of compound heat-insulation powder dried, 5 parts of superfine light calcium carbonates dried, 15 parts of rutile type titaniums dried
White powder starts mixed under the revolving speed of 15~55rpm, stir 5~60min；Then it is suitable to be evacuated to 0.3MPa or less
Value, continue to stir and begin heat to suitably to be worth between 80~150 DEG C, hold be cooled to after 30~300min 40~60 DEG C with
Under, 50 parts of isoparaffin solvent oils, 2.6 parts of acrylic triethoxysilanes, 1.8 parts of aminopropyl diethoxymethyl silicon are added
Alkane, 1.5 parts of dibutyl tin dilaurates continue to vacuumize 5~50min of stirring at 10~45rpm, then discharge, pack.
End properties reach the over-all properties requirement in company standard, testing result such as table 5 by test：
Table 5
Find out from above example, coating prepared by the present invention is had excellent performance.Thinking of the present invention is novel, has very big
Novelty has very extensive application prospect.
The foregoing is merely the preferred embodiment of invention, be not intended to limit the present invention, it is all the spirit and principles in the present invention it
Modifications, equivalent substitutions and improvements made by interior etc., should all be included in the protection scope of the present invention.Attempt accordingly to the present invention
Make limitation in any form, therefore all have any modification or change for making the related present invention under identical spirit,
The scope that the invention is intended to protect should be all included in.
Claims (14)
1. a kind of anticorrosive heat insulating waterproof end silylated polyether coating, which is characterized in that in parts by mass include following components：
50~200 parts of silylated polyether resin of end, 0.5~15 part of defoaming agent, 0.2~8 part of dispersing agent, is prevented by 20~150 parts of plasticizer
10~150 parts of pigment of rust, 5~120 parts of compound heat-insulation powder, 0~50 part of pigment, 0~120 part of filler material, light stabilizer 0.2~30
Part, 0.2~50 part of deicer, 0.5~55 part of adhesion promoter, 0.5~19 part of catalyst.
2. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the end silane is poly-
The end group of ether resin is siloxy S i-OR, and main chain is polypropylene oxide structure.
3. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the plasticizer is
One of ester plasticizer, isoparaffin solvent oil or its two kinds mixture.
4. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the rust resisting pigment
For micaceous iron oxide, iron oxide red, trbasic zinc phosphate, modified zinc phosphate, aluminium triphosphate, modified phosphate aluminium, aluminium zinc phosphomolybdate, ferrous acid
Two kinds in zinc and two or more combinations.
5. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the compound heat-insulation
Powder is to tire out support powder and crystal whisker of hexa potassium titanate to disperse by mixing and carry out compound made of surface is modified, the tired support powder and six
The mass ratio of potassium titanate crystal whisker is (50~95)：1.
6. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the pigment is nothing
Machine pigment or organic pigment；The filler material is one or more of Sulfates, carbonate, silicates.
7. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the light stabilizer
For one or more of ultraviolet absorbing agent, hindered amine light stabilizer, excited state quenchers and hydrogen peroxide distintegrant.
8. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the titanium dioxide is
Rutile type titanium white.
9. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the deicer is
Oxazole alkanes, p-Methyl benzenesulfonyl isocyanate class, triethyl orthoformate class and organic silicon.
10. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the adhesive force
Promotor is silane coupling agent.
11. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the catalyst
For one or more of tin, iron, the fatty acid salt of lead, organic amine, titanate esters and its chelate.
12. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the defoaming agent
For one or more of mineral oil defoaming agent, organic silicon defoaming agent and polymer-like antifoams without organosilicon.
13. anticorrosive heat insulating waterproof according to claim 1 end silylated polyether coating, which is characterized in that the dispersing agent
It is acid for the polybasic carboxylic acid salt, unsaturated polycarboxylic acids and polysiloxane-based, arcylic acid species, polyester modification of polynary glutamine
One or more of copolymer analog, polyether phosphate copolymer analog, high-molecular block copolymer class.
14. special such as the preparation method of the described in any item anticorrosive heat insulating waterproof end silylated polyether coating of claim 1~13
Sign is, includes the following steps：In the reaction kettle for having corresponding function be added 50~200 parts of end silylated polyether resins, 20~
A part, 0.2~30 part of light stabilizer, 0.5~15 part of defoaming agent, 0.2~8 part of dispersing agent in 150 parts of plasticizer, 10~
150 parts of rust resisting pigments dried, 5~120 parts of compound heat-insulation powder dried, 0~50 part of pigment dried, 0~120 part
The filler material dried starts mixed under the revolving speed of 10~100rpm, stir 5~60min；Then it is evacuated to
0.3MPa or less is suitably worth, and continues to stir and begin heat to suitably to be worth between 80~150 DEG C, after keeping 30~300min
40~60 DEG C are cooled to hereinafter, the remainder in 20~150 parts of plasticizer, 0.2~50 part of deicer, 0.5~55 part is added
Adhesion promoter, 0.5~19 part of catalyst continue to vacuumize 5~50min of stirring at 10~45rpm, then discharge, wrap
Dress.
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Application publication date: 20181127 |