CN106221323B - A kind of heat-insulated lotus leaf coating of inorganic reflective and preparation method thereof - Google Patents

A kind of heat-insulated lotus leaf coating of inorganic reflective and preparation method thereof Download PDF

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CN106221323B
CN106221323B CN201610750329.9A CN201610750329A CN106221323B CN 106221323 B CN106221323 B CN 106221323B CN 201610750329 A CN201610750329 A CN 201610750329A CN 106221323 B CN106221323 B CN 106221323B
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heat
production
lotus leaf
insulated
inorganic
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CN106221323A (en
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邹肖平
丘子范
冯星俊
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Keluber (Guangdong) Brand Management Co.,Ltd.
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Guangdong Yisiman New Materials Polytron Technologies Inc
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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
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/02Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • C09D1/04Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • C09D5/18Fireproof paints including high temperature resistant paints

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Inorganic Chemistry (AREA)
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Abstract

The invention discloses a kind of heat-insulated lotus leaf coating of inorganic reflective, are mainly made of following raw material:Inorganic silicate film forming matter, complex reflex heat-barrier material, rutile type titanium white, aqueous acrylic emulsion, organosilicon auxiliary agent, silane coupling agent, ethylene glycol, dispersant, wetting agent, antifoaming agent, thickener, buffer, viscosity stabiliser and water, the complex reflex heat-barrier material are made of raw material:Heat-reflecting heat-insulating powder, diatomite, synthetic aluminium silicate functional pigment, wollastonite and mica powder, the heat-insulated lotus leaf coating of the inorganic reflective not only has excellent heat-reflecting heat-insulating effect in construction substrate, and pass through the optimization to reflective insulation compound material, summer, which can reduce, occupies 20~25 DEG C of indoor temperature, and the reflective insulation in the present invention meets material and does not contain the organic exhaust gas such as formaldehyde, without APEO, health environment-friendly, lotus leaf effect, stain resistant.Also disclose the preparation method of the heat-insulated lotus leaf coating of above-mentioned inorganic reflective.

Description

A kind of heat-insulated lotus leaf coating of inorganic reflective and preparation method thereof
Technical field
The invention belongs to thermal insulation coatings technical fields, and in particular to a kind of heat-insulated lotus leaf coating of inorganic reflective and its preparation side Method.
Background technology
Under construction, the thermal losses of peripheral structure is larger, and wall accounts for very big share again in peripheral structure.Therefore This, the development that construction wall reforms with wall power-saving technology is a most important link of energy-saving building technology, develops exterior wall Heat preservation technology and energy-saving material are then the main realization methods of building energy conservation.
For external walls heating insulation earliest originating from Europe, China is the pilot since the 1980s mid-term, and by the skill Art is widely used in building field.But current building energy conservation is horizontal, also far below developed country, China's construction unit area Energy consumption is still 3~5 times of developed country similar in weather.So one of building energy conservation or this century Building Trade in China is important Problem.In recent years, with China's dwelling construction energy conservation deepen continuously and the continuous improvement of energy conservation standard, introduce Many new power-saving technologies and material are developed, is vigorously promoted the use in residential housing.Wherein applied to exterior-wall heat insulation Various foamed plastics thermal insulation materials (such as EPS sheet, XPS plate material and polyurathamc plate) and pass through the high-efficiency reflective sun Light reaches heat-insulated purpose thin bed reflection insulating moulding coating.The former belongs to inorganic heat insulation material at section bar class, to carry out assembling construction, deposit Seam it is more, damage the defects of beautiful, water proofing property is poor, service life is short.And thin bed reflection insulating moulding coating is current important research Direction.
Outer heat preservation system than thin layer insulating moulding coating earlier, has some successfully production enterprises at present using thick material development Industry and Engineering Projects, thin layer insulating moulding coating are started to walk relatively late, and similar product effect is irregular in the market, but southern market hair Exhibition has a extensive future.
In the research of thin bed reflection insulating moulding coating, at present, architectural reflective heat-insulation paint is mainly with synthetic resin (acrylic acid Lotion) it is formulated for base-material and functional color stuffing (such as infrared pigment, cenosphere, metal particle) and auxiliary agent, it applies In building surface, the functional coating with higher sun luminous reflectance and higher hemispherical emissivity.Its using Acrylic acid is main film forming matter, but in weatherability, water resistance, mildew resistance, adhesive force, heat resistance, fire line and inorganic silicate There is also apparent differences for coating.
First, the base material of inorganic coating often directly has drawn from nature, thus source very abundant.For example, silicon The paint binders such as colloidal sol, silicate solutions, main raw material(s) derive from quartziferous ore, are materials extremely abundant in nature Material.Secondly, for some organic coating base-materials, the pollution during the production and use of inorganic coating base-material to environment Small, product majority is the harmful effect of no environment and health aspect using water as decentralized medium;Third, inorganic coating ageing-resistant and Some physical and chemical performances are that the organic coating of identical production cost is extremely difficult to mostly absolutely, therefore it is with preferable technology Economic performance;Fourth, it is in alkalescence that inorganic coating is most, more suitable for being applied in the bases such as the similary cement for showing alkalescence and sand-lime, And chemical reaction generation calcium silicate crystals can be generated with the lime in these base materials, one, thus its can be formed with base Adhesive force is especially good.General situation of development inorganic coating does not define explicitly so far, and main base is generally referred to according to the custom of people Expect a kind of coating for inorganic material.
Also there are many patents or document to disclose thin layer inorganic reflective insulating moulding coating in the prior art, use inorganic silicic acid The reflective heat-insulation paint that potassium and hollow glass micropearl, metal oxide etc. are prepared, due to its rough surface, in stain resistant side It is short of in face;And the additive amount of hollow glass micropearl is less, and the effect of reflective insulation is limited in practical applications.
The content of the invention
It is an object of the invention to provide a kind of heat-insulated lotus leaf coating of inorganic reflective, the heat-insulated lotus leaf coating of the inorganic reflective exists Not only there is excellent heat-reflecting heat-insulating effect in construction substrate, and by the optimization to reflective insulation compound material, in the summer It can substantially reduce in season and occupy indoor temperature, and the reflective insulation in the present invention meets material and do not contain the organic exhaust gas such as formaldehyde, is free of APEO, health environment-friendly, lotus leaf effect, stain resistant.
The present invention also aims to provide the preparation method of the heat-insulated lotus leaf coating of above-mentioned inorganic reflective, the letter of this method technique Single, production operation is convenient.
First purpose of the present invention is achieved by the following technical solution:A kind of heat-insulated lotus leaf of inorganic reflective applies Material, is mainly made of the raw material of following proportion by weight:
Inorganic silicate film forming matter 18~25
Complex reflex heat-barrier material 20~30
Rutile type titanium white 8~12
Aqueous acrylic emulsion 10~12
Organosilicon auxiliary agent 3~6
Silane coupling agent 4~8
Ethylene glycol 2~4
Dispersant 0.6~1.0
Wetting agent 0.2~0.4
Antifoaming agent 0.3~0.6
Thickener 0.1~0.3
Buffer 0.1~0.5
Viscosity stabiliser 1~5
Water 10~20.
Inorganic silicate film forming matter of the present invention is preferably the model INOCOT of Tianjin Rui Shi Co., Ltds production 330 inorganic silicic acid salt resin.
The inorganic silicic acid salt resin is manufactured stabilization, high concentration, limpid tasteless adhesive based on potassium silicate, INOCOT 330 can combine to form lasting firm structure by silicification reaction with mineral substrate;Due to occurring to chemically react and shape Into stronger chemical bond, product has adhesive property well with mineral surfaces;Since there is similar heat to mineral substrate The coefficient of expansion, the formation for reducing crack of minimum level.
Complex reflex heat-barrier material of the present invention is made of the raw material of following proportion by weight:
Heat-reflecting heat-insulating powder 10~13
Diatomite 3~5
Synthetic aluminium silicate functional pigment 3~5
Wollastonite 3~5
Mica powder 3~5
Wherein described heat-reflecting heat-insulating powder is the model JR1000 of Japanese empire chemical company production with heat reflection The titanium dioxide of function.
Its grain size of the titanium dioxide with function of heat reflection is about 1 μm, is far longer than common 0.3 μm of rutile type titanium white Grain size, have stronger infrared reflection heat-insulating capability.
When reflective insulation material uses individual heat reflection titanium dioxide, construct in building wall, reflective insulation efficiency It is lower than in laboratory data, it is mainly influenced by film thickness and color stuffing collocation is unreasonable so as to influencing reflective insulation efficiency.
The present invention is using diatomite, synthetic aluminium silicate functional pigment, wollastonite and mica powder, these are with heat insulating function The reasonably combined titanium dioxide with function of heat reflection of filler complex reflex heat-barrier material is made, film forming when, be easy to inorganic silicon Acid salt resin INOCOT 330 forms crosslinking, not only facilitates and improves compact in paint film degree, adhesive force, weatherability, can more improve anti- Penetrate heat-insulating efficiency.
Diatomite is by unbodied SiO2Composition can improve the chemical actions such as the heat-resisting, wear-resisting of product, heat preservation, anti-aging Performance, by adding lightweight, low density diatomite, not only improve insulation efficiency, while reduce product proportion, together When be also used as effective coating thickener, thixotropic agent, suspending agent.
Synthetic aluminium silicate functional pigment in reflective insulation composite material is produced by U.S. Huber (Qiu Bo) company, Model Zeolex 323 is a kind of high superfine alumina silicate sodium of whiteness grade, is known as a kind of " space increase-volume pigment ", The masking power of titanium dioxide can be improved.Its " air pocket structure " can improve the refracting power to light so as to improve covering power.And anti- It penetrates in the new formula of heat-insulated lotus leaf coating, the titanium dioxide (rutile type titanium white) that can effectively arrange reduces adding for titanium dioxide Dosage.
In the present invention, covering power can not only be improved using Zeolex 323, while can also improves heat-reflecting heat-insulating The service efficiency of powder JR1000, so as to which reflective insulation intensity be significantly increased.
Wollastonite belongs to a kind of chain metasilicate, and is that one kind is in fibrous, needle-shaped.Due to its special crystal habit Crystalline texture, coefficient of thermal expansion is low, and at 25~800 DEG C, coefficient of thermal expansion is 6.5 × 10-6Mm/ (mm DEG C), thus with compared with High heat resistance.
Mica powder belongs to monoclinic crystal, and crystal is flakey, 500~600 DEG C of heat resistance, 0.419~0.670W. of thermal conductivity (m.K)-1, therefore with higher heat-proof quality.
In complex reflex heat-barrier material, the grain size of heat-reflecting heat-insulating powder JR1000 is 1 μm, is far longer than ordinary titanium powder Grain size, shown by published data, the heat-reflecting heat-insulating performance of coating products can be improved.But due to its cost too Height, it is limited using additive amount.Therefore carried out using heat-reflecting heat-insulating powder and diatomite, synthetic aluminium silicate, wollastonite and mica powder It is reasonably combined, complex reflex heat-barrier material is formed, utilizes the particle size of different powders, different topographical structure, It is silicate types, in film forming, is formed and be crosslinked with film forming matter potassium silicate solution, silane coupling agent, further improve paint film Self-crosslinking degree, so as to form fine and close and efficient paint film.And complex reflex heat-barrier material using light material, makes to do Density is low as far as possible, and then obtains relatively low thermal conductivity factor.And diatomite, wollastonite in complex reflex heat-barrier material, Mica powder has higher heat resistance, not only improves the reflective insulation performance of paint film, while also improves the resistance of paint film itself Hot property.It is arranged in pairs or groups by reasonably designing complex reflex heat-barrier material, its reflective insulation efficiency far is made to be more than than being used alone Heat reflection powder or wherein a certain raw material provide reflective insulation efficiency.
The present invention is simultaneously added with machine silicones and silicone coupling agents, with film forming matter potassium silicate, the heat-insulated material of complex reflex Expect and base material is crosslinked and self-crosslinking, form finer and close paint film, form hydrophobic face in coating surface, hydrophobicity is strong, no Excellent lotus leaf effect has been only reached, while has also improved the stain resistance and weatherability of paint film.
Rutile type titanium white of the present invention is preferably the model NTR- of Ningbo Xinfu Titanium Dioxide Co., Ltd.'s production 606 titanium dioxide.
Aqueous acrylic emulsion of the present invention is preferably the aqueous acrylamide of the model RS-752D of Ahmedabad richness company production Yogurt liquid.Its solid content is 52~54%, and minimum film formation temperature is 10 DEG C.
Organosilicon auxiliary agent of the present invention is preferably the model SILRES of Co., Ltd of Wa Ke global groups of Germany production The silicone resin emulsion of BS-45.It has the transmitance of very high carbon dioxide and vapor, adds the gas permeability of paint film Compactness without influencing paint film.
Silane coupling agent of the present invention is preferably the siloxanes coupling of the model A-174 of Mai Tu company of U.S. production Agent.Its chemical formula is γ-(methacryloxypropyl) propyl trimethoxy silicane, can improve the hydrophobicity of paint film, have paint film Lotus leaf effect.In the heat-insulated lotus leaf formulation for coating material of this inorganic reflective, because Main System is based on silicon, in formula system directly When adding silane coupling agent, silane coupling agent is easy to react with inorganic silicate film forming matter, forms tiny gel, it is therefore desirable to Silane coupling agent is first proportionally dissolved in ethylene glycol, is added in formula, to ensure the stability of formula.
Dispersant of the present invention is preferably the sodium polycarboxylate salt form of the model SN-5040 of Nuo Puke companies of Japan production The polycarboxylic acids ammonium salt dispersant and Luo Menha for the model SN-DISPERSANT 5027 that dispersant, Nuo Puke companies of Japan produce One or more of hydrophobically modified polymers of carboxylic acid type dispersant of model OROTAN-731A of this company production.
Wherein SN-5027 is a kind of special polycarboxylic acids ammonium salt dispersant, can significantly improve the water resistance of film.
Wetting agent of the present invention is preferably the alkyl polyoxy without APEO that the wetting agent is German Clariant production Surfactant LCN407, the special alcohols of DOW of America production of vinethene are free of the surfactant B D109 and six of APEO The one or more of sodium metaphosphate.
The main component that antifoaming agent of the present invention is preferably the production of Sheng Nuopuke companies of Japan is the type of mineral oils Number be NXZ antifoaming agent, the molecular antifoaming agent of model Foamstar A10 of the peaceful Chemical Manufacture of section and Japan Sheng Nuopu One or more of model SN-154 organic silicon defoamers based on mineral oil of company of section production.
Thickener of the present invention is preferably the model 250HBR that the thickener is the production of Ya Kualong companies of the U.S. Hydroxyethyl cellulose, hydroxyethyl cellulose, the TT935 of DOW of America production of B-30K of South Korea Samsung production form Mould assembly alkali soluble rise thickener, Germany it is bright insult production PUR40 not solvent-laden non-ionic polyurethane association thickener and U.S. One or more of not solvent-laden non-ionic polyurethane association thickener of RM2020 of state Tao Shi productions.
The effect of thickener is to improve the viscosity of coating.
Buffer of the present invention is preferably the response type of the model SILRES BS-198 of Wa Ke companies of Germany production The net taste pH adjusting agent of silicone active object or the multifunctional assistant AMP-95 (2- amino-2-methyls -1- third of DOW Chemical production Alcohol).
The effect of buffer is that the pH of coating is adjusted to 7~8.
Viscosity stabiliser of the present invention is preferably that the Tianjin Rui Shi Co., Ltds of model INOCOT 925 produce Viscosity stabiliser.
The viscosity stabiliser is capable of the caking of inhibition system early stage, so as to improve product bin stability.
Second object of the present invention is achieved through the following technical solutions:The above-mentioned heat-insulated lotus leaf coating of inorganic reflective Preparation method, comprise the following steps:
(1) heat-reflecting heat-insulating powder, diatomite, synthetic aluminium silicate functional pigment, wollastonite and mica powder, mixing are chosen Afterwards, complex reflex heat-barrier material is made;
(2) stock dispersion agent, wetting agent, antifoaming agent, thickener, buffer, complex reflex heat-barrier material and golden red are chosen Stone-type titanium dioxide adds in water, with 1500~1800 revs/min of stir speed (S.S.) high-speed stirred 30~40 minutes, is dispersed to fineness conjunction After lattice, uniform sizing material 1 is made;
(3) raw material silane coupling agent is chosen, after being diluted using ethylene glycol, with starting material inorganic silicate film forming matter, aqueous third Olefin(e) acid lotion, organosilicon auxiliary agent and viscosity stabiliser are added in remaining water, with low speed in 400~600 revs/min of stir speed (S.S.) Stirring 5~10 minutes, is made uniform sizing material 2;
(4) slurry 1 is added in slurry 2, with 400~500 revs/min of stir speed (S.S.) stirring at low speed 20~25 minutes, system Obtain the heat-insulated lotus leaf coating of inorganic reflective.
In the preparation method of the heat-insulated lotus leaf coating of the inorganic reflective:The dosage of water accounts for the 50 of water gross mass in step (2) ~60%.
The invention has the advantages that:
(1) the heat-insulated lotus leaf coating heat transfer coefficient of inorganic reflective in the present invention is low, and summer can reduce by 20~25 DEG C, while this The heat-insulated lotus leaf coating of inorganic reflective in invention does not contain the organic exhaust gas such as formaldehyde, stain resistant, good weatherability;
(2) the heat-insulated lotus leaf coating materials of inorganic reflective of the invention are simple, cost-effective, application performance is good;
(3) reflective insulation lotus leaf coating of the invention compared with thin layer acrylic acid reflective heat-insulation paint, has excellent resistance to Hou Xing, adhesive force, gas permeability have superior reflective insulation efficiency than the inorganic silicate reflective heat-insulation paint of thin layer;
(4) present invention uses different-grain diameter, different surfaces shape as a result of dynamical reflective insulation composite material Shape and effective arrangement that heat reflection titanium dioxide and rutile type titanium white can be improved, so as to improve the film forming efficiency of paint film, Through significantly improving the reflective insulation efficiency of system and use the filler of silicate, the self-crosslinking degree of paint film can be more improved, Fine and close and efficient paint film is formed, simultaneously added with machine silicones and silicone coupling agents, the hydrophobicity of paint film can be improved, reached And, and the gas permeability of paint film is not influenced, to excellent lotus leaf effect with more excellent stain resistance;
(5) compared to for acrylic acid building coating, the heat-insulated lotus leaf coating of inorganic reflective is with more excellent antibiotic property, mould proof Property, fire line.
Description of the drawings
Fig. 1 is the lotus leaf effect application test result of the heat-insulated lotus leaf coating of the inorganic reflective prepared in embodiment 2, wherein A Figure is common coating, and B figures are the heat-insulated lotus leaf coating of inorganic reflective in embodiment 1.
Specific embodiment
Following raw material is commercial product unless otherwise specified.
The heat-insulated lotus leaf coating of inorganic reflective prepared by the first portion present invention
Embodiment 1
The heat-insulated lotus leaf coating of inorganic reflective provided in this embodiment, is mainly made of the raw material of following proportion by weight:
Inorganic silicate film forming matter 20
Complex reflex heat-barrier material 25
Rutile type titanium white 12
Aqueous acrylic emulsion 10
Organosilicon auxiliary agent 3
Silane coupling agent 5
Ethylene glycol 3
Dispersant 0.6
Wetting agent 0.4
Antifoaming agent 0.6
Thickener 0.1
Buffer 0.1
Viscosity stabiliser 5
Water 15.2
Wherein complex reflex heat-barrier material is made of the raw material of following proportion by weight:
Heat-reflecting heat-insulating powder 10
Diatomite 3
Synthetic aluminium silicate functional pigment 3
Wollastonite 3
Mica powder 3.
Wherein heat-reflecting heat-insulating powder is the model JR1000 of Japanese empire chemical company production with function of heat reflection Titanium dioxide.
Synthetic aluminium silicate functional pigment is produced by U.S. Huber (Qiu Bo) company, model Zeolex 323.
The complex reflex heat-barrier material can improve system reflective insulation efficiency.
The inorganic silicate for the model INOCOT 330 that inorganic silicate film forming matter produces for Tianjin Rui Shi Co., Ltds Resin.
Rutile type titanium white is domestic titanium dioxide rutile type titanium white, is Ningbo Xinfu Titanium Dioxide Co., Ltd.'s life Production, model NTR-606.
The pure acrylic latex for the model RS-752D that aqueous acrylic emulsion produces for Ahmedabad richness company.Its solid content For 52~54%, minimum film formation temperature is 10 DEG C.
The organosilicon for the model SILRES BS-45 that organosilicon auxiliary agent produces for Co., Ltd of Wa Ke global groups of Germany Resin emulsion has the transmitance of very high carbon dioxide and vapor, and the gas permeability that can increase paint film is painted without influencing The compactness of film.
Silane coupling agent for Mai Tu company of the U.S. production model A-174 silicone coupling agents, chemical formula for γ- (methacryloxypropyl) propyl trimethoxy silicane can improve the hydrophobicity of paint film, and paint film is made to have lotus leaf effect.In this nothing In machine reflective insulation lotus leaf formulation for coating material, when silane coupling agent is directly added because Main System is based on silicon, in formula system, Silane coupling agent is easy to potassium silicate film forming matter and reacts, and forms tiny gel, it is therefore desirable to by silane coupling agent first proportionally It is dissolved in ethylene glycol, adds in formula, to ensure the stability of formula.
Dispersant is the sodium polycarboxylate salt form dispersant of the model SN-5040 of Nuo Puke companies of Japan production, is had more Good dispersion efficiency and system stability.
Wetting agent is the surfactant LCN407 of the alkyl polyoxyethylene ether without APEO of German Clariant production.
Antifoaming agent is the defoaming that the main component of Japanese Sheng Nuopuke companies production is the model NXZ of mineral oils Agent, when can eliminate bubble in tank and construct, quick brokenly bubble.
Thickener is the hydroxyethyl cellulose of the B-30K of Samsung of South Korea production, and effect is to improve the viscosity of coating.
Buffer be multifunctional assistant 2-amino-2-methyl-1-propanol, wherein multifunctional assistant 2- amino-2-methyls -1- Propyl alcohol is produced by DOW of America department, the model AMP-95 of product, and effect is that the pH of coating is adjusted to 7~8.
The viscosity stabiliser that the Tianjin Rui Shi Co., Ltds that viscosity stabiliser is model INOCOT 925 produce, contains Silicone and complicated stabilizer, the caking for being capable of inhibition system early stage improve the stability of product.
The preparation method of the heat-insulated lotus leaf coating of the inorganic reflective is as follows:
(1) heat-reflecting heat-insulating powder, diatomite, synthetic aluminium silicate functional pigment, wollastonite and mica powder, mixing are chosen Afterwards, complex reflex heat-barrier material is made;
(2) stock dispersion agent, wetting agent, antifoaming agent, thickener, buffer, complex reflex heat-barrier material and golden red are chosen Stone-type titanium dioxide adds in and accounts for the water of water gross mass 50~60%, with 1500~1800 revs/min of stir speed (S.S.) high-speed stirred 30~ 40 minutes, after being dispersed to fineness qualification, uniform sizing material 1 is made;
(3) raw material silane coupling agent is chosen, after being diluted using ethylene glycol, with starting material inorganic silicate film forming matter, aqueous third Olefin(e) acid lotion, organosilicon auxiliary agent and viscosity stabiliser are added in remaining water, with low speed in 400~600 revs/min of stir speed (S.S.) Stirring 5~10 minutes, is made uniform sizing material 2;
(4) slurry 1 is added in slurry 2, with 400~500 revs/min of stir speed (S.S.) stirring at low speed 20~25 minutes, system Obtain the heat-insulated lotus leaf coating of inorganic reflective.
Embodiment 2
The heat-insulated lotus leaf coating of inorganic reflective provided in this embodiment, is mainly made of the raw material of following proportion by weight:
Inorganic silicate film forming matter 25
Complex reflex heat-barrier material 30
Rutile type titanium white 8
Aqueous acrylic emulsion 11
Organosilicon auxiliary agent 4
Silane coupling agent 4
Ethylene glycol 2
Dispersant 0.8
Wetting agent 0.3
Antifoaming agent 0.4
Thickener 0.2
Buffer 0.3
Viscosity stabiliser 2.5
Water 11.5
Wherein reflective insulation material is made of the raw material of following proportion by weight:
Heat-reflecting heat-insulating powder 13
Diatomite 5
Synthetic aluminium silicate functional pigment 5
Wollastonite 5
Mica powder 5
Heat-reflecting heat-insulating powder is the titanium with function of heat reflection of the model JR1000 of Japanese empire chemical company production White powder.
As different from Example 1:
Dispersant disperses for the polycarboxylic acids ammonium salt of the model SN-DISPERSANT 5027 of Nuo Puke companies of Japan production Agent has better dispersion efficiency and system stability.
Wetting agent is free of the surfactant B D109 of APEO for the special alcohols of DOW of America production.
Antifoaming agent is the molecular antifoaming agent of the model Foamstar A10 of the peaceful Chemical Manufacture of section.
Thickener rises thickener for the association type alkali soluble of the TT935 of DOW of America production.
The net taste of response type silicone active object for the model SILRES BS198 that buffer produces for Wa Ke companies of Germany PH adjusting agent.
The preparation method of the heat-insulated lotus leaf coating of the inorganic reflective is the same as embodiment 1.
Embodiment 3
The heat-insulated lotus leaf coating of inorganic reflective provided in this embodiment, is made of the raw material of following proportion by weight:
Inorganic silicate film forming matter 18
Complex reflex heat-barrier material 20
Rutile type titanium white 10
Aqueous acrylic emulsion 12
Organosilicon auxiliary agent 6
Silane coupling agent 8
Ethylene glycol 4
Dispersant 1.0
Wetting agent 0.2
Antifoaming agent 0.3
Thickener 0.3
Buffer 0.5
Viscosity stabiliser 1
Water 18.7.
Complex reflex heat-barrier material is made of the raw material of following proportion by weight:
Heat-reflecting heat-insulating powder 12
Diatomite 4
Synthetic aluminium silicate functional pigment 4
Wollastonite 4
Mica powder 4.
As different from Example 1:
Dispersant disperses for the polycarboxylic acids ammonium salt of the model SN-DISPERSANT 5027 of Nuo Puke companies of Japan production The hydrophobically modified polymers of carboxylic acid type dispersant of the model OROTAN-731A of agent and Rhom and Hass's production.
Wetting agent be the alkyl polyoxyethylene ether without APEO of German Clariant production surfactant LCN407 with Calgon.
Antifoaming agent is the antifoaming agent that the main component of Japanese Sheng Nuopuke companies production is the model NXZ of mineral oils The model SN-154 organic silicon defoamers based on mineral oil produced with Japanese Sheng Nuopuke companies.
Thickener is the bright icepro production of the hydroxyethyl cellulose of the model 250HBR of Ya Kualong companies of U.S. production and Germany PUR40 not solvent-laden non-ionic polyurethane association thickener.
The preparation method of the heat-insulated lotus leaf coating of the inorganic reflective is the same as embodiment 1.
Reference examples
The heat-insulated lotus leaf coating of inorganic reflective that this reference examples provides, is mainly made of the raw material of following proportion by weight:
Inorganic silicate film forming matter 20
Heat-reflecting heat-insulating powder 13
Powdered whiting 12
Rutile type titanium white 12
Aqueous acrylic emulsion 10
Organosilicon auxiliary agent 3
Silane coupling agent 5
Ethylene glycol 3
Dispersant 0.6
Wetting agent 0.4
Antifoaming agent 0.6
Thickener 0.1
Buffer 0.1
Viscosity stabiliser 5
Water 15.2
As different from Example 1:
Complex reflex heat-barrier material is not added, and only adding heat-reflecting heat-insulating powder has the titanium dioxide of function of heat reflection JR1000 and common fillers powdered whiting.
The preparation method of the heat-insulated lotus leaf coating of the inorganic reflective is the same as embodiment 1.
The performance test of the heat-insulated lotus leaf coating of second portion inorganic reflective of the present invention
Using the heat-insulated lotus leaf coating of manufactured inorganic reflective in the above embodiment of the present invention 1-3, conventional using this field Detection method detects the conventional physico-chemical properties of the heat-insulated lotus leaf coating of the inorganic reflective, and specific performance index is as shown in table 1 below
The heat-insulated lotus leaf coating of inorganic reflective and the traditional performance of film prepared by 1 1-3 of the embodiment of the present invention of table
Sequence number Project Index Testing result
1 Condition in container It is in uniform state after stirring without lump It is qualified
2 Application property It is accessible to brush two Multiple tracks spray (smearing) applies accessible
3 Low-temperature stability It never degenerates It is qualified
4 Drying time (surface drying)/h≤ 2 It is qualified
5 Appearance of film Normally It is qualified
6 Contrast ratio (white) >= 0.95 0.98
7 Coating temperature-change resistance (3 Xun Huans) It is without exception It is qualified
8 Alkali resistance 48 is without exception when small It is qualified
9 Water resistance 96 is without exception when small It is qualified
10 Stain resistance < 15% High-class product
11 Abrasion resistance/time >= 2000 Paint film does not damage
12 Artificial weathering ageing resistance 600h is not blistering, does not peel off, flawless High-class product
From table 1 it follows that the property indices of the heat-insulated lotus leaf coating of inorganic reflective prepared by the present invention reach Or better than standard GB/T/T 9755-2014.
Heat-insulating property experiment is carried out using the heat-insulated lotus leaf coating of inorganic reflective in above-described embodiment 1-3, experiment process and As a result it is as follows:
Reflective insulation application test (two):Product in embodiment 1-3 is sprayed on respectively on different aluminium sheets, spraying two Time, after model conserves 7 days, there is the one side of paint film using 100 watts of tungsten lamp irradiation, then temperature in use inductive probe carries out another side Temperature survey carries out reduced temperature rising value with common emulsion paint, and result of the test see the table below 2.
The heat-insulated lotus leaf coating reflective insulation result test of inorganic reflective in 2 1-3 of the embodiment of the present invention of table
It can be seen that from the test comparison result of table 2:(summer high-temperature weather is similar under the identical conditions of external world's heating Under), the common exterior coating of the heat-insulated lotus leaf coating of inorganic reflective in embodiment 1-3 and existing market selling market is (with tradition Color stuffing, such as titanium dioxide, coarse whiting, fine particle calcium carbonate, preparations such as kaolin, acrylic emulsion) compare, model mean temperature can reduce by 25 DEG C, and this heat insulation is then not achieved in common exterior coating, when being exposed to the sun for a long time, model temperature quickly raises.
When reference examples are opposite with embodiment 1, the embodiment 1 of addition complex reflex heat-barrier material is than only addition reflective insulation The reflective insulation of the reference examples of powder JR1000 is more efficient, and specimen surface mean temperature is 11 DEG C low;Using the heat-insulated material of complex reflex Than only with reflective insulation efficiency acquired by heat reflection powder advantageously.This and complex reflex heat-barrier material, rutile titanium dioxide The different powder shapes of particle of powder film forming, grain size collocation form a film and are crosslinked, be selfed with inorganic silicate film forming matter, base material Join the paint film of performance densification, so as to which the reflective insulation performance for reaching excellent is related.
Using complex reflex heat-barrier material, excellent reflective insulation performance can not only be obtained, while can also reduce formula Cost is at present common rutile-type in heat-reflecting heat-insulating powder on the market or the similar titanium dioxide with reflective insulation effect 5~7 times of titanium dioxide, and the composite wood that diatomite, wollastonite, synthetic aluminium silicate, mica powder and reflective insulation powder is used to prepare Material, greatly reduces coating cost.
Lotus leaf effect application test (three):Product in embodiment 2 is sprayed on model, after 7 days dry, test surfaces Lotus leaf effect, experimental result is shown in Fig. 1, from figure 1 it appears that A figures are common coating (titanium dioxide 16%, filler 30%, third Olefin(e) acid lotion 30%), B figures are the heat-insulated lotus leaf coating of inorganic reflective, and B figures have apparent lotus leaf hydrophobic effect.
It can draw to draw a conclusion from the test comparison result in Fig. 1:It is gone together with embodiment 2 with market in the common of sale Coating is compared, and is newly formulated using the reflective insulation lotus leaf coating in the present invention so that paint film has excellent lotus leaf effect.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention and from above-described embodiment Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification, Equivalent substitute mode is should be, is included in protection scope of the present invention.

Claims (9)

1. a kind of heat-insulated lotus leaf coating of inorganic reflective, it is characterized in that being mainly made of the raw material of following proportion by weight:
Inorganic silicate film forming matter 18 ~ 25
Complex reflex heat-barrier material 20 ~ 30
Rutile type titanium white 8 ~ 12
Aqueous acrylic emulsion 10 ~ 12
Organosilicon auxiliary agent 3 ~ 6
Silane coupling agent 4 ~ 8
Ethylene glycol 2 ~ 4
Dispersant 0.6 ~ 1.0
Wetting agent 0.2 ~ 0.4
Antifoaming agent 0.3 ~ 0.6
Thickener 0.1 ~ 0.3
Buffer 0.1 ~ 0.5
Viscosity stabiliser 1 ~ 5
Water 10 ~ 20;
The complex reflex heat-barrier material is made of the raw material of following proportion by weight:
Heat-reflecting heat-insulating powder 10 ~ 13
Diatomite 3 ~ 5
Synthetic aluminium silicate functional pigment 3 ~ 5
Wollastonite 3 ~ 5
Mica powder 3 ~ 5
The heat-reflecting heat-insulating powder is the model JR1000 of Japanese empire chemical company production with function of heat reflection
Titanium dioxide, the synthetic aluminium silicate functional pigment are the alumina silicate functional pigment of Huber companies of U.S. production Zeolex323。
2. the heat-insulated lotus leaf coating of inorganic reflective according to claim 1, it is characterized in that:The inorganic silicate film forming matter For the inorganic silicic acid salt resin of the model INOCOT 330 of Tianjin Rui Shi Co., Ltds production.
3. the heat-insulated lotus leaf coating of inorganic reflective according to claim 1, it is characterized in that:The rutile type titanium white is The model NTR-606 titanium dioxides of Ningbo Xinfu Titanium Dioxide Co., Ltd.'s production;The aqueous acrylic emulsion is suitable for Foshan City The pure acrylic latex of the model RS-752D of De Badefu Industrial Co., Ltd.s production;The organosilicon auxiliary agent is Germany watt The silicone resin emulsion of the model SILRES BS-45 of gram Co., Ltd of global group production;The silane coupling agent is The silicone coupling agents of the model A-174 of Mai Tu company of U.S. production.
4. the heat-insulated lotus leaf coating of inorganic reflective according to claim 1, it is characterized in that:The dispersant is holy for Japan Sodium polycarboxylate salt form dispersant, the type of Sheng Nuopuke companies of Japan production of the model SN-5040 of Nuo Puke companies production Number for the polycarboxylic acids ammonium salt dispersant of SN-DISPERSANT 5027 and the model OROTAN-731A of the Dow Chemical Company's production One or more of hydrophobically modified polymers of carboxylic acid type dispersant;The wetting agent is German Clariant production without APEO Alkyl polyoxyethylene ether surfactant LCN407, DOW of America production special alcohols be free of APEO surface-active The one or more of agent BD109 and calgon.
5. the heat-insulated lotus leaf coating of inorganic reflective according to claim 1, it is characterized in that:The antifoaming agent is holy for Japan The main component of Nuo Puke companies production is the NXZ antifoaming agent of mineral oils, the model of the peaceful Chemical Manufacture of section One in the molecular antifoaming agent of FoamstarA10 and the SN-154 organic silicon defoamers of Sheng Nuopuke companies of Japan production Kind is several.
6. the heat-insulated lotus leaf coating of inorganic reflective according to claim 1, it is characterized in that:The thickener is sub- for the U.S. The ethoxy of the B-30K of hydroxyethyl cellulose, the production of Samsung of South Korea across the model 250HBR of imperial company production is fine Dimension element, DOW of America production TT935 association type alkali soluble rise thickener, the bright PUR40 for insulting production of Germany without solvent Non-ionic polyurethane association thickener and DOW of America production RM2020 not solvent-laden non-ionic polyurethane association One or more of type thickener.
7. the heat-insulated lotus leaf coating of inorganic reflective according to claim 1, it is characterized in that:The buffer is Germany watt The net taste pH adjusting agent of response type silicone active object of the model SILRES BS198 of gram company production or DOW Chemical production Multifunctional assistant AMP-95;The viscosity stabiliser is the viscosity stabiliser of model Tianjin Rui Shi Co., Ltds production INOCOT 925。
8. according to the preparation method of the heat-insulated lotus leaf coating of claim 1-7 any one of them inorganic reflectives, it is characterized in that including Following steps:
(1)Heat-reflecting heat-insulating powder, diatomite, synthetic aluminium silicate functional pigment, wollastonite and mica powder are chosen, is mixed
After even, complex reflex heat-barrier material is made;
(2)Choose stock dispersion agent, wetting agent, antifoaming agent, thickener, buffer, complex reflex heat-barrier material and rutile-type Titanium dioxide adds in water, with 1500~1800 revs/min of stir speed (S.S.) high-speed stirred 30~40 minutes, is dispersed to fineness qualification Afterwards, uniform sizing material 1 is made;
(3)Raw material silane coupling agent is chosen, after being diluted using ethylene glycol, with starting material inorganic silicate film forming matter, water soluble acrylic acid Lotion, organosilicon auxiliary agent and viscosity stabiliser are added in remaining water, with 400~600 revs/min of stir speed (S.S.)
Middle stirring at low speed 5 ~ 10 minutes, is made uniform sizing material 2;
(4)Slurry 1 is added in slurry 2, with 400 ~ 500 revs/min of stir speed (S.S.) stirring at low speed 20 ~ 25 minutes, is made The heat-insulated lotus leaf coating of inorganic reflective.
9. the preparation method of the heat-insulated lotus leaf coating of inorganic reflective according to claim 8, it is characterized in that:Step(2)Middle water Dosage account for the 50 ~ 60% of water gross mass.
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