CN110172270A - A kind of modified paint additive and insulating moulding coating and preparation method thereof - Google Patents

A kind of modified paint additive and insulating moulding coating and preparation method thereof Download PDF

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Publication number
CN110172270A
CN110172270A CN201811620612.5A CN201811620612A CN110172270A CN 110172270 A CN110172270 A CN 110172270A CN 201811620612 A CN201811620612 A CN 201811620612A CN 110172270 A CN110172270 A CN 110172270A
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nano
parts
additive
agent
water
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马耀光
路民平
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Jiangsu Unnamed Light Nanotechnology Co Ltd
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Jiangsu Unnamed Light Nanotechnology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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
    • C09D133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/002Priming paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004Reflecting paints; Signal paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives

Abstract

The present invention provides a kind of coating to change additive and insulating moulding coating and preparation method thereof, will include that titanium dioxide, mica, the finishing coat modified additive of glass flake and priming paint modified additive including nano-titanium dioxide, nano-indium stannum oxide, nano antimony tin oxide, nano-tourmaline powder, nano silica, nanometer silicon carbide are added separately in finishing coat and priming paint.The top coat generates reflection to sunlight irradiation first, then primer coating absorb by it is remaining too can light energy radiate, nano-tourmaline powder, nano-titanium dioxide, nano-indium stannum oxide, nano antimony tin oxide mainly in priming paint modified additive will be differential between energy radiate in the form of infrared light, and then reduce coating matrix temperature.Various raw materials used herein are cheap and easy to get, and preparation method is simple, good heat-insulation effect, also have the function of antibacterial, purification air, belong to a kind of multi-functional environment-protection insulating moulding coating.

Description

A kind of modified paint additive and insulating moulding coating and preparation method thereof
Technical field
The present invention relates to paint fields, and in particular to a kind of coating changes additive and insulating moulding coating and preparation method thereof.
Background technique
With global warming, ozone layer is corrupted such that sunray is stronger to the irradiation of building, the sun The energy of sunlight absorbs and is transmitted to interior of building, building the inside by building when light is irradiated to external surface of buildings Temperature increase, therefore its inner space becomes uncomfortable, while the burden for increasing air-conditioning system improves energy consumption, increases two The discharge amount of carbonoxide and greenhouse gases not only causes a hidden trouble to the safety of installations and facilities, but also pollutes environment.It is especially low Latitude, the sunshine-duration is long, and radiation is big, with greater need for indoor heating caused by avoiding sun exposure, especially in recent years China in Nansha Area makes island and fills out reef, and Mei Jijiao, small piece of land surrounded by water Bi Jiao, heat reef, Huayang reef, Yongxing Island etc. are just busy at putting up installations forever, builds civil airport, the hydrology The facilities such as monitoring, navigation beacon, each islands and reefs will have tens of thousands of people to move in the future, and floating nuclear power plant does not build success again, lack Weary big power station supplies electric power, is unable to satisfy the biggish air-conditioning electricity needs of power energy consumption, and then can not balance resident stationed on the island Growing good life demand.Meanwhile greenhouse effects bring a series of serious influences to global environment, if Uncontrolled, this situation will also continue to deteriorate.In order to protect maintenance, we rely on existence home, we must make joint efforts, It is energy-saving by few emission greenhouse gas.Therefore, it is good to develop a kind of effect, cheap heat-barrier material seems especially urgent With it is important.
In the prior art, traditional heat-insulating heat-preserving material such as rock wool blanket, inorganic heat insulation mortar, polyphenyl foam plate, foaming is poly- Urethane etc. uses relatively broad, but the use of these traditional thermal insulation materials has to reach certain thickness just and can have preferably Thermal insulation property, more time-consuming in construction, construction quality decides that its waterproofness is poor, and for open air, there is also sunlight Irradiation is easy to appear thermal insulation dehiscence, infiltration, directly affects the antiseptic property of metal surface.And use organic polymer foaming material Material makees insulating layer, and flame resistance is poor, and there are certain fire hazards.For example it is installed on the large oil tank of factory, gas tank surface Traditional heat-insulating heat-preserving material complex procedures, higher cost, fire hazard is big, so recent domestic is all kept the temperature in development of new Material substitutes traditional thermal insulation material.Wherein, insulating moulding coating becomes the research hotspot in the field.
Insulating moulding coating is divided into the three types such as isolation-type, reflection-type and radial pattern by the mechanism of action at present, and optimal Insulating moulding coating is tool there are three types of the insulating moulding coating of insulating mechanism synergistic effect, a complete thermal-insulating system is made, to obtain Obtain good heat insulation.In addition, being applied with the development of micro Nano material technology of preparing and continuing to bring out for high performance material Suitable micro Nano material is added in material, and coating comprehensive performance can be made to be greatly improved.
Chinese patent CN 201610980283.X discloses a kind of reflective insulation aeroge coating, the reflective insulation airsetting Glue coating is by aerosil powder, infrared external reflection filler and water paint according to the mass ratio 1:0 .0:0 of .5~1 .05 ~0 .15 is uniformly mixed and obtains.Aerosil is the most light solid material being currently known, and is kept the temperature so far The best material of performance is one of the smallest solid of world's upper density.The thermal coefficient of aeroge is extremely low, and (25 DEG C) are led under room temperature Hot coefficient can reach 0.015w/mk.Porous silica silica aerogel composite heat-insulated material can inhibit three kinds of heat transfer well Approach, it is a kind of super insulating material, and aerogel material is added in coating, and preparing has the characteristics that great gas Gel reflective heat-insulation paint, can be widely applied to it is in need the place put up a resistance is irradiated to sunlight, such as large-sized workshop, petroleum Various light substance storage tanks of petrochemical industry etc..
Chinese patent CN 201610926994.9 discloses a kind of thermostable heat-isolating coating, is received using largely hollow Meter Wei Zhu, the gap between microballon is formed simultaneously heat not convection unit, so that material thermal conductivity is low, thermal coefficient is down to 0 .03W/ (mK) wants low ten times or more relative to Conventional insulation, and heat insulation effect is good.Nano microsphere and short ceramic fibre While improving the strength of materials, the property of good pressure-resistant, wear-resisting, corrosion-resistant, insulation, waterproof fireproofing can be also provided for coating Can, high temperature resistant amplitude is between -100 DEG C -1800 DEG C, suitable for the high temperature inside raw coke over gas riser heat exchanger, the temperature difference Greatly, the strong adverse circumstances of corrosivity.
Although extensive research has been obtained as the additive of insulating moulding coating in aeroge micro mist and nano-hollow microballon And concern, but the preparation process of aeroge and cenosphere is complicated, higher cost, low output, it is difficult to be popularized and be answered extensively With being unable to satisfy the urgent need of China's energy-saving and emission-reduction in a short time.Therefore, develop it is a kind of prepare simple, raw material is easy to get, heat-insulated effect Fruit is good, and low-cost insulating moulding coating, which seems, to be even more important.
Summary of the invention
It is in view of the shortcomings of the prior art and insufficient, the primary purpose of the present invention is that providing a kind of coating changes additive, energy So that coating is had good heat-proof quality, reduces the room temperature for being coated building and equipment.
The specific technical solution of the present invention is as follows:
A kind of coating changes additive, it is characterised in that: the modified paint additive is divided into finishing coat additive and priming paint additive, face Painting additive includes titanium dioxide, mica, glass flake, and priming paint additive includes nano-titanium dioxide, nano-indium stannum oxide, receives Rice tin-antiomony oxide, nano-tourmaline powder, nano silica, nanometer silicon carbide.
Further, the titanium dioxide in the finishing coat additive, mica, the microscopic appearance of glass flake are preferably spherical Or sheet, partial size are preferably 1-100 μm, further preferred 5-20 μm.
Further, the titanium dioxide in the finishing coat additive, mica, glass flake mass ratio are 2-4:1-2:0.1- 0.5。
Further, the nano-titanium dioxide in the priming paint additive, nano-indium stannum oxide, nano antimony tin oxide, receive Rice tourmaline powder, nano silica, the microscopic appearance of nanometer silicon carbide are unrestricted, can be sheet, rodlike, tubulose, ball One of shape, core-shell structure are a variety of, and granularity is preferably 10-5000nm, further preferred 300-2000nm.
Further, nano-tourmaline powder, nano-titanium dioxide, nano-indium stannum oxide, nanometer in the priming paint additive The mass ratio of tin-antiomony oxide is 2-4:1-2:0.5-1:0.5-1.
Further, the nano-tourmaline powder is by nanometer elbaite powder, nanometer Mg tourmaline powder, nanometer iron tourmaline One of powder, nanometer tsilaisite powder, nano black tourmaline powder or a variety of complex salts with rare earth element are combined.
Another object of the present invention, which also resides in, provides insulating moulding coating and preparation method thereof.
A kind of insulating moulding coating, which is characterized in that the coating is made of topcoat paint and primer base, the topcoat paint Raw material includes the component of following parts by weight content: 20-60 parts of acrylic emulsion, 0.1-10 parts of dispersing agent, 4-15 parts of inorganic filler, 0.1-5 parts of auxiliary agent, 14-29 parts of water, 5-20 parts of finishing coat modified additive;The raw material of the primer base includes that following parts by weight contain The component of amount: 20-60 parts of acrylic emulsion, 0.1-10 parts of dispersing agent, 4-15 parts of inorganic filler, 0.1-5 parts of auxiliary agent, water 14-29 Part, 0.1-2 parts of silane coupling agent, 5-20 parts of priming paint modified additive;
Further, the auxiliary agent includes coalescing agent, thickener, defoaming agent.
The film forming agent is aqueous organic resin, including acrylic resin, epoxy resin, alkyd resin, amino resins, poly- One or more of ester resin, phenolic resin, polyurethane resin, organic siliconresin and organic fluorine.
A kind of preparation method of insulating moulding coating, which is characterized in that this method includes preparation and the primer base of topcoat paint Two steps of preparation: the surface layer paint vehicle prepare when dispersing agent, defoaming agent are dissolved in the water of total Water 50-70wt% mix It closes, uniformly, addition inorganic filler, coalescing agent stir evenly, and acrylic emulsion, thickener is then added for grinding, are uniformly mixed Finishing coat modified additive is added afterwards and remaining water stirs evenly;When prepared by primer base, first silane coupling agent is dissolved in always In the water of water 40-50, priming paint modified additive is added, is dispersed with stirring uniformly, adds dispersing agent, defoaming agent, inorganic fill out Material, coalescing agent stir evenly, and acrylic emulsion, thickener is then added, remaining water is added after mixing and stirs evenly.
Reflective insulation coating is generally based on white or light-colored.Rutile TiO2Refraction index be 2.8, be current The highest white pigment of refraction coefficient in known functional stuffing becomes the preferred pigment of exterior coating.Mica and glass flake With sclay texture, it may have splendid heat reflection performance is mixed use, and selects spherical or laminated structure dioxy Changing titanium can be such that it is mostly laid in topcoat under the action of coalescing agent, and then can play the to sunlight very well One layer of reflex.
As a kind of natural anion generator, tourmaline powder there are two key property, i.e. pyroelectricity and piezoelectricity, it Under certain condition, pyroelectric effect and piezoelectric effect are generated.Pyroelectric effect refers to some crystal, when the temperature varies, one Divide positively charged, the electronegative phenomenon of another part.When the temperature varies, even very small variation, can also cause Electric heating difference and voltage difference, this electrostatic potential difference between tourmaline crystal can be up to 1.0 × 106EV, this energy are enough Air is ionized, the molecular ionization in neighbouring air is made to be converted into negative aeroion.
For titanium dioxide not only compared with high reflectivity, also specific good infrared radiation property is usually used in the spoke of heat insulation type coating Powder is penetrated, or a kind of photochemical catalyst vulnerable to ultraviolet excitation, when it absorbs the energy of incident uv, it can be excited Valence electron migration, to generate hole.Nano-indium stannum oxide, nano antimony tin oxide are a kind of semi-conductor nano particles, ITO with The carrier concentration of ATO film is 1020A/cm3, it is seen that light transmission rate reaches 80-90%, infrared reflectivity 75%-80%, Middle carrier concentration increases, and infrared emittance can also increase therewith.
Nano-tourmaline powder, nano-titanium dioxide, nano-indium stannum oxide, nano antimony tin oxide combination are made in the application With, it is modified first with silane coupling agent, makes that slight adhesion and reunion occur between different particles, redisperse to coating use In priming paint.After brushing to building surface, through sunlight incident irradiance when on coating, nano-tourmaline powder can be made first Pyroelectric effect is generated, anion is discharged, and the generation of anion will cause the unevenness of distribution of charges in subrange, and then can drop Low-titania excitation energy promotes the migration of conducting semiconductor material carrier, and it is migrated, hole generates and reseting procedure The energy difference of middle generation can be radiate in the form of infrared waves.In addition, also can when nano-tourmaline powder generates pyroelectric effect Aggravate the heat radiation of itself.Since the thermoelectricity inductive effect of all kinds of tourmaline powders is different, combined when using different tourmaline powders In use, such as by nanometer elbaite powder, nanometer Mg tourmaline powder, Nanoscale Iron tourmaline powder, nanometer tsilaisite powder, nanometer Schorl powder is used in mixed way, and the complex salt of rare earth element is added to promote the generation of anion, and whole thermoelectricity effect can be improved It answers, and the migration meeting of nano-titanium dioxide, the generation of nano-indium stannum oxide and nano antimony tin oxide valence electron and carrier Enhance the pyroelectric effect of nano-tourmaline powder in turn, and then constantly recycles the infra-red radiation of enhancing primer base additive component Ability further decreases room temperature.
Further, the anion that nano-tourmaline powder generates can eliminate peculiar smell and various pernicious gases, and it is empty to reach purification The purpose of gas, and have good inhibiting effect to staphylococcus aureus, Escherichia coli, candida albicans and mould etc..Titanium dioxide Photocatalysis, the enhancing that also obtains of antibacterial effect.As it can be seen that coating used herein, can not only play the work of heat insulation and heat control With, can with antibacterial, purify air effect.
Compared with prior art, the invention has the following advantages:
The finishing coat modified additive and priming paint modified additive of specific combination of the present invention are added in priming paint and finishing coat, make finishing coat pair Sunlight irradiation generates reflection, and when remaining minute quantity sunlight is incident to primer base, priming paint modified additive can be excited All kinds of energy level transition effects occur for nano-tourmaline powder, nano-titanium dioxide, nano-indium stannum oxide, nano antimony tin oxide circulation, Energy between will be differential is radiate in the form of infrared light, and then reduces the temperature of coating matrix.It is used herein various Raw material is cheap and easy to get, and preparation method is simple, good heat-insulation effect, and universal use easy to spread can accelerate energy-saving and emission-reduction process, this The coating composition of outer the application is not only free of pollutant component, can also play the role of antibacterial, purification air instead, belong to one kind Multifunctional environmental protection paint.
Specific embodiment
In order to better illustrate the present invention, it is easy to understand technical solution of the present invention, below to of the invention further detailed Explanation.But following embodiments is only simple example of the invention, does not represent or limit the scope of the present invention, this Invention protection scope is subject to claims.
Embodiment 1: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 20 parts of acrylic emulsion, 0.1 part of dispersing agent, 4 parts of inorganic filler, 0.1 part of auxiliary agent, 14 parts of water, 5 parts of finishing coat modified additive; The raw material of primer base includes the component of following parts by weight content: 20 parts of acrylic emulsion, 0.1 part of dispersing agent, inorganic filler 4 Part, 0.1 part of auxiliary agent, 14 parts of water, 0.1 part of silane coupling agent, 5 parts of priming paint modified additive.Dispersing agent uses LDB-1, defoaming agent Using BYK028, thickener uses methylcellulose, and film forming agent uses acrylic resin, the titanium dioxide in the finishing coat additive Titanium, mica, glass flake mass ratio are 2:1:0.1, the priming paint additive nano-tourmaline powder, nano-titanium dioxide, nanometer Tin indium oxide, nano antimony tin oxide mass ratio be 4:1:0.5:0.5.
Dispersing agent, defoaming agent are dissolved in the water of total Water 50wt% and are mixed, grinding uniformly, be added inorganic filler, at Film auxiliary agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and remaining is added after mixing Water stirs evenly obtained finishing coat;First silane coupling agent is dissolved in the water of 40 wt% of total Water, the modified addition of priming paint is added Agent is dispersed with stirring uniformly, adds and stir evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, propylene is then added Remaining water is added after mixing and stirs evenly obtained priming paint for yogurt liquid, thickener.
The test of coating heat-proof quality, is pressed with 20cm × 16cm × 0.4cm specification glass using thermal isolation film temperature measuring device It is tested according to national standard GB/T9755-2014, is compareed by coated glass and non-coated glass, measuring heat-insulated rate is 90.2%。
Embodiment 2: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 60 parts of acrylic emulsion, 10 parts of dispersing agent, 15 parts of inorganic filler, 5 parts of auxiliary agent, 29 parts of water, 20 parts of finishing coat modified additive; The raw material of primer base includes the component of following parts by weight content: 60 parts of acrylic emulsion, 10 parts of dispersing agent, inorganic filler 15 Part, 5 parts of auxiliary agent, 29 parts of water, 2 parts of silane coupling agent, 20 parts of priming paint modified additive.Dispersing agent uses LDB-1, and defoaming agent uses BYK028, thickener use methylcellulose, and film forming agent uses acrylic resin, titanium dioxide in the finishing coat additive, Mica, glass flake mass ratio are 4:2:0.5, the priming paint additive nano-tourmaline powder, nano-titanium dioxide, nano oxygen Change indium tin, the mass ratio of nano antimony tin oxide is 4:2:1:1.
Dispersing agent, defoaming agent being dissolved in the water of the 70wt% of total Water and is mixed, grinding is uniform, addition inorganic filler, Coalescing agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and residue are added after mixing Water stir evenly obtained finishing coat;First silane coupling agent is dissolved in the water of 50 wt% of total Water, the modified addition of priming paint is added Agent is dispersed with stirring uniformly, adds and stir evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, propylene is then added Remaining water is added after mixing and stirs evenly obtained priming paint for yogurt liquid, thickener.Coating is measured as described in Example 1 Heat-insulated rate be 91.3%.
Embodiment 3: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 50 parts of acrylic emulsion, 5 parts of dispersing agent, 8 parts of inorganic filler, 3 parts of auxiliary agent, 22 parts of water, 12 parts of finishing coat modified additive;Bottom The raw material of paint coating includes the component of following parts by weight content: 50 parts of acrylic emulsion, 8 parts of inorganic filler, helps 5 parts of dispersing agent 3 parts of agent, 22 parts of water, 1 part of silane coupling agent, 12 parts of priming paint modified additive.Dispersing agent uses LDB-1, and defoaming agent uses BYK028, thickener use methylcellulose, and film forming agent uses acrylic resin, titanium dioxide in the finishing coat additive, Mica, glass flake mass ratio are 3:1.5:0.3, the priming paint additive nano-tourmaline powder, nano-titanium dioxide, nano oxygen Change indium tin, the mass ratio of nano antimony tin oxide is 3:1:1:1.
Dispersing agent, defoaming agent are dissolved in the water of total Water 60wt% and are mixed, grinding uniformly, be added inorganic filler, at Film auxiliary agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and remaining is added after mixing Water stirs evenly obtained finishing coat;First silane coupling agent is dissolved in the water of total Water 45wt%, priming paint modified additive is added, It is dispersed with stirring uniformly, adds and stir evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, propylene yogurt is then added Remaining water is added after mixing and stirs evenly obtained priming paint for liquid, thickener.Measure as described in Example 1 coating every Heating rate is 90.8%.
Embodiment 4: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 60 parts of acrylic emulsion, 10 parts of dispersing agent, 15 parts of inorganic filler, 5 parts of auxiliary agent, 29 parts of water, 20 parts of finishing coat modified additive; The raw material of primer base includes the component of following parts by weight content: 60 parts of acrylic emulsion, 10 parts of dispersing agent, inorganic filler 15 Part, 5 parts of auxiliary agent, 29 parts of water, 2 parts of silane coupling agent, 20 parts of priming paint modified additive.Dispersing agent uses LDB-1, and defoaming agent uses BYK028, thickener use methylcellulose, and film forming agent uses acrylic resin, titanium dioxide in the finishing coat additive, Mica, glass flake mass ratio are 4:2:0.5, the priming paint additive nano-titanium dioxide, nano-indium stannum oxide, nano oxygen The mass ratio for changing tin antimony is 2:1:1.
Dispersing agent, defoaming agent being dissolved in the water of the 70wt% of total Water and is mixed, grinding is uniform, addition inorganic filler, Coalescing agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and residue are added after mixing Water stir evenly obtained finishing coat;First silane coupling agent is dissolved in the water of 50 wt% of total Water, the modified addition of priming paint is added Agent is dispersed with stirring uniformly, adds and stir evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, propylene is then added Remaining water is added after mixing and stirs evenly obtained priming paint for yogurt liquid, thickener.Coating is measured as described in Example 1 Heat-insulated rate be 84.2%.
Embodiment 5: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 60 parts of acrylic emulsion, 10 parts of dispersing agent, 15 parts of inorganic filler, 5 parts of auxiliary agent, 29 parts of water, 20 parts of finishing coat modified additive; The raw material of primer base includes the component of following parts by weight content: 60 parts of acrylic emulsion, 10 parts of dispersing agent, inorganic filler 15 Part, 5 parts of auxiliary agent, 29 parts of water, 2 parts of silane coupling agent, 20 parts of priming paint modified additive.Dispersing agent uses LDB-1, and defoaming agent uses BYK028, thickener use methylcellulose, and film forming agent uses acrylic resin, titanium dioxide in the finishing coat additive, Mica, glass flake mass ratio are 4:2:0.5, the priming paint additive nano-tourmaline powder, nano-indium stannum oxide, nano oxygen The mass ratio for changing tin antimony is 2:1:1.
Dispersing agent, defoaming agent being dissolved in the water of the 70wt% of total Water and is mixed, grinding is uniform, addition inorganic filler, Coalescing agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and residue are added after mixing Water stir evenly obtained finishing coat;First silane coupling agent is dissolved in the water of 50 wt% of total Water, the modified addition of priming paint is added Agent is dispersed with stirring uniformly, adds and stir evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, propylene is then added Remaining water is added after mixing and stirs evenly obtained priming paint for yogurt liquid, thickener.Coating is measured as described in Example 1 Heat-insulated rate be 86.5%.
Embodiment 6: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 60 parts of acrylic emulsion, 10 parts of dispersing agent, 15 parts of inorganic filler, 5 parts of auxiliary agent, 29 parts of water, 20 parts of finishing coat modified additive; The raw material of primer base includes the component of following parts by weight content: 60 parts of acrylic emulsion, 10 parts of dispersing agent, inorganic filler 15 Part, 5 parts of auxiliary agent, 29 parts of water, 2 parts of silane coupling agent, 20 parts of priming paint modified additive.Dispersing agent uses LDB-1, and defoaming agent uses BYK028, thickener use methylcellulose, and film forming agent uses acrylic resin, titanium dioxide in the finishing coat additive, Mica, glass flake mass ratio are 4:2:0.5, the quality of the priming paint additive nano-tourmaline powder, nano-titanium dioxide Than for 1:1.
Dispersing agent, defoaming agent being dissolved in the water of the 70wt% of total Water and is mixed, grinding is uniform, addition inorganic filler, Coalescing agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and residue are added after mixing Water stir evenly obtained finishing coat;First silane coupling agent is dissolved in the water of 50 wt% of total Water, the modified addition of priming paint is added Agent is dispersed with stirring uniformly, adds and stir evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, propylene is then added Remaining water is added after mixing and stirs evenly obtained priming paint for yogurt liquid, thickener.Coating is measured as described in Example 1 Heat-insulated rate be 88.7%.
Embodiment 7: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 60 parts of acrylic emulsion, 10 parts of dispersing agent, 15 parts of inorganic filler, 5 parts of auxiliary agent, 29 parts of water, 20 parts of finishing coat modified additive; The raw material of primer base includes the component of following parts by weight content: 60 parts of acrylic emulsion, 10 parts of dispersing agent, inorganic filler 15 Part, 5 parts of auxiliary agent, 29 parts of water, 2 parts of silane coupling agent, 20 parts of priming paint modified additive.Dispersing agent uses LDB-1, and defoaming agent uses BYK028, thickener use methylcellulose, and film forming agent uses acrylic resin, titanium dioxide in the finishing coat additive, Mica, glass flake mass ratio are 4:2:0.5, the priming paint additive nano-tourmaline powder, nano-titanium dioxide, nano oxygen The mass ratio for changing indium tin is 3:2:1.
Dispersing agent, defoaming agent being dissolved in the water of the 70wt% of total Water and is mixed, grinding is uniform, addition inorganic filler, Coalescing agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and residue are added after mixing Water stir evenly obtained finishing coat;First silane coupling agent is dissolved in the water of 50 wt% of total Water, the modified addition of priming paint is added Agent is dispersed with stirring uniformly, adds and stir evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, propylene is then added Remaining water is added after mixing and stirs evenly obtained priming paint for yogurt liquid, thickener.Coating is measured as described in Example 1 Heat-insulated rate be 90.0%.
Embodiment 8: prepare raw material by following components content: the raw material of topcoat paint includes the group of following parts by weight content Point: 60 parts of acrylic emulsion, 10 parts of dispersing agent, 15 parts of inorganic filler, 5 parts of auxiliary agent, 29 parts of water, 20 parts of finishing coat modified additive; The raw material of primer base includes the component of following parts by weight content: 60 parts of acrylic emulsion, 10 parts of dispersing agent, inorganic filler 15 Part, 5 parts of auxiliary agent, 29 parts of water, 20 parts of priming paint modified additive.Dispersing agent uses LDB-1, and defoaming agent uses BYK028, thickener Using methylcellulose, film forming agent uses acrylic resin, titanium dioxide, mica, glass flake in the finishing coat additive Mass ratio is 4:2:0.5, the priming paint additive nano-tourmaline powder, nano-titanium dioxide, nano-indium stannum oxide, nano oxygen The mass ratio for changing tin antimony is 4:2:1:1.
Dispersing agent, defoaming agent being dissolved in the water of the 70wt% of total Water and is mixed, grinding is uniform, addition inorganic filler, Coalescing agent stirs evenly, and acrylic emulsion, thickener is then added, and finishing coat modified additive and residue are added after mixing Water stir evenly obtained finishing coat;First priming paint modified additive is added in the water of 50 wt% of total Water, is dispersed with stirring uniformly, then Addition stirs evenly dispersing agent, defoaming agent, inorganic filler, coalescing agent, and acrylic emulsion, thickener, mixing is then added Remaining water is added after uniformly and stirs evenly obtained priming paint.The heat-insulated rate for measuring coating as described in Example 1 is 87.8%.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of coating changes additive, it is characterised in that: the modified paint additive is divided into finishing coat additive and priming paint additive, Finishing coat additive includes titanium dioxide, mica, glass flake, priming paint additive include nano-titanium dioxide, nano-indium stannum oxide, Nano antimony tin oxide, nano-tourmaline powder, nano silica, nanometer silicon carbide.
2. modified paint additive according to claim 1, it is characterised in that: the titanium dioxide in the finishing coat additive Titanium, mica, glass flake microscopic appearance be preferably spherical or sheet, partial size is preferably 1-100 μm, further preferred 5-20 μ m。
3. modified paint additive according to claim 1, it is characterised in that: the titanium dioxide in the finishing coat additive Titanium, mica, glass flake mass ratio are 2-4:1-2:0.1-0.5.
4. modified paint additive according to claim 1, it is characterised in that: the nano-silica in the priming paint additive Change the microscopic appearance of titanium, nano-indium stannum oxide, nano antimony tin oxide, nano-tourmaline powder, nano silica, nanometer silicon carbide It is unrestricted, it can be one of sheet, rodlike, tubulose, spherical, core-shell structure or a variety of, granularity is preferably 10- 5000nm, further preferred 300-2000nm.
5. modified paint additive according to claim 1, it is characterised in that: nano-tourmaline in the priming paint additive Powder, nano-titanium dioxide, nano-indium stannum oxide, nano antimony tin oxide mass ratio be 2-4:1-2:0.5-1:0.5-1.
6. modified paint additive according to claim 1, it is characterised in that: the nano-tourmaline powder is by nanometer lithium electricity One of gas mountain flour, nanometer Mg tourmaline powder, Nanoscale Iron tourmaline powder, nanometer tsilaisite powder, nano black tourmaline powder Or a variety of complex salts with rare earth element are combined.
7. a kind of insulating moulding coating, it is characterised in that: the coating is made of topcoat paint and primer base, the original of the topcoat paint Material includes the component of following parts by weight content: 20-60 parts of acrylic emulsion, 4-15 parts of inorganic filler, helps 0.1-10 parts of dispersing agent 0.1-5 parts of agent, 14-29 parts of water, 5-20 parts of finishing coat modified additive described in claim 1;The raw material packet of the primer base Include the component of following parts by weight content: 20-60 parts of acrylic emulsion, 0.1-10 parts of dispersing agent, 4-15 parts of inorganic filler, auxiliary agent 0.1-5 parts, 14-29 parts of water, 0.1-2 parts of silane coupling agent, 5-20 parts of priming paint modified additive described in claim 1.
8. a kind of insulating moulding coating according to claim 7, it is characterised in that: the auxiliary agent include coalescing agent, thickener, Defoaming agent.
9. a kind of insulating moulding coating according to claim 8, it is characterised in that: the film forming agent is aqueous organic resin, packet Include acrylic resin, epoxy resin, alkyd resin, amino resins, polyester resin, phenolic resin, polyurethane resin, organosilicon tree One or more of rouge and organic fluorine.
10. a kind of preparation method of insulating moulding coating described in claim 7, which is characterized in that this method includes the system of topcoat paint Two steps of standby and primer base preparation: dispersing agent, defoaming agent are dissolved in total Water 50- when prepared by the surface layer paint vehicle It is mixed in the water of 70wt%, uniformly, addition inorganic filler, coalescing agent stir evenly for grinding, and acrylic emulsion is then added, increases Thick dose, finishing coat modified additive is added after mixing and remaining water stirs evenly;When prepared by primer base, first by silane idol Connection agent is dissolved in the water of total Water 40-50, and priming paint modified additive is added, and is dispersed with stirring uniformly, is added dispersing agent, disappears Infusion, inorganic filler, coalescing agent stir evenly, and acrylic emulsion, thickener is then added, is added after mixing remaining Water stirs evenly.
CN201811620612.5A 2018-12-28 2018-12-28 A kind of modified paint additive and insulating moulding coating and preparation method thereof Pending CN110172270A (en)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN111234590A (en) * 2020-03-16 2020-06-05 江苏未名之光纳米科技有限公司 High-temperature infrared radiation refrigeration coating and preparation method thereof
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CN113292893A (en) * 2021-04-28 2021-08-24 苏州百联节能科技股份有限公司 Heat-insulating energy-saving coating and preparation method thereof

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Application publication date: 20190827