CN106010183A - Nanometer thermal insulation slurry and coating, preparation technology of slurry and coating and application in thermal insulation window membrane - Google Patents
Nanometer thermal insulation slurry and coating, preparation technology of slurry and coating and application in thermal insulation window membrane Download PDFInfo
- Publication number
- CN106010183A CN106010183A CN201610473727.0A CN201610473727A CN106010183A CN 106010183 A CN106010183 A CN 106010183A CN 201610473727 A CN201610473727 A CN 201610473727A CN 106010183 A CN106010183 A CN 106010183A
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- Prior art keywords
- nanometer
- thermal insulation
- slurry
- processing technology
- heat
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Classifications
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D5/004—Reflecting paints; Signal paints
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a preparation technology of a nanometer thermal insulation slurry and coating, the prepared nanometer thermal insulation slurry and nanometer thermal insulation coating and application in a thermal insulation window membrane. The preparation technology comprises the following steps that tungsten trioxide (WO3), a dispersing agent and a solvent are mixed to form dispersed suspension; the grinding process is conducted; the ultrasonic process is conducted; the pH value of the dispersed suspension is adjusted to be 7.5 to 8.0 to form the nanometer thermal insulation slurry. In the preparation technology, the dispersing agent is used, the grinding and ultrasonic processes are conducted, and the pH value of the reaction solution is adjusted to be within a proper range; ultrasonic dispersion of nanometer powder, mechanical grinding and other depolymerization processes are conducted, and by means of the shearing action of external force, nano particles are dispersed in media; therefore, the prepared nanometer thermal insulation slurry is stable in performance and capable of being kept for a long time without coagulation.
Description
Technical field
The present invention relates to field of textiles, a kind of nano heat-insulating slurry, the making of nanometer heat isolation paint
Technique, made nano heat-insulating slurry, nanometer heat isolation paint and in the application of thermal-insulation window film.
Background technology
Recently as the new line of environmental consciousness, building energy conservation aspect is increasingly paid attention to by country.State Council,
The Department of Science and Technology is annual is all putting into effect relevant energy-saving and emission-reduction policy, and supports and encourages development & production energy-saving and emission-reduction
Finished product.Meanwhile, energy-conservation the key project being also arranged as 12 is subtracted.
Nanometer WO3Made high-performance thermal-insulation window film, can meet high transparency and high definition simultaneously.
Specifically, when visible light transmissivity is more than 70%, the infrared ray of up to more than 90% still can be had to hinder
Every rate.Nanometer WO3 has again good weatherability and stable performance performance.Therefore, this product accords with completely
Close the urgent needs of Vehicles Collected from Market, and show considerable market prospect.
But, owing to nano particle diameter is little, surface atom ratio is big, specific surface big, surface can be big,
Thus nano-particle is in energy labile state, and easily reunites and cause granule to increase.
Therefore, nanometer WO of higher suspension stability how is developed3, being that those skilled in the art are required solves
Technical problem.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the invention provides a kind of nano heat-insulating slurry, receive
The rice processing technology of insulating moulding coating, made nano heat-insulating slurry, nanometer heat isolation paint and in heat insulation
The application of fenestrated membrane, solves that nano-particle is unstable and the problem that causes granule to increase of easily reuniting.
The present invention provides the processing technology of a kind of nano heat-insulating slurry, and processing technology comprises the steps of mixed
Close Tungstic anhydride. (WO3), dispersant and solvent, to form dispersible suspension；Perform polish process；Hold
Row ultrasound wave program；And the pH value of adjustment dispersible suspension is to 7.5～8.0, to form nano heat-insulating slurry.
Preferably, the percentage by weight of Tungstic anhydride. be 10%-20%, the percentage by weight of dispersant be
2%-10%, above-mentioned percentage by weight is on the basis of the gross weight of dispersible suspension.
Preferably, in adjusting in the step of pH value of dispersible suspension, it is to adjust through pH value regulator
The pH value of whole dispersible suspension, and the percentage by weight of pH value regulator is 2%-5%.
The present invention also provides for a kind of nano heat-insulating slurry, and nano heat-insulating slurry is by above-mentioned nano heat-insulating slurry
Processing technology made by.
The present invention also provides for the processing technology of a kind of nanometer heat isolation paint, and processing technology comprises the steps of
Mix above-mentioned nano heat-insulating slurry and solvent；Mixing previous solu and compound adhesive；And mix aforementioned molten
Liquid and firming agent, to form nanometer heat isolation paint.
Preferably, compound adhesive is by made by following steps: mixing glue and solvent；And mix aforementioned
Solution and silicone coupling agents, to form silicone-modified acrylic emulsion.
Preferably, glue is polyurethane glue.
The present invention also provides for a kind of nanometer heat isolation paint, and nanometer heat isolation paint is above-mentioned nanometer heat isolation paint
Made by processing technology.
The present invention also provides for a kind of thermal-insulation window film, and the surface of thermal-insulation window film is coated with above-mentioned nano heat-insulating and is coated with
Material.
The nano heat-insulating slurry of present invention offer, the processing technology of nanometer heat isolation paint, made nanometer
Heat-insulating slurry, nanometer heat isolation paint and in the application of thermal-insulation window film, have the advantages that
(1) present invention uses dispersant, passes through grinding and ultrasound wave program and adjust reaction solution
PH value in suitably interval, thus the nano heat-insulating slurry of stable performance can be prepared.
(2) the nano heat-insulating slurry that thermal-insulation window film serviceability of the present invention is stable, effect of heat insulation is significantly held
For a long time, do not aoxidize, colour-fast, do not intercept GPS, high printing opacity heat insulation, high, low reflective, fast in colour,
Service life is long.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes of the present invention
Point, the schematic description and description of the present invention is used for explaining the present invention, is not intended that the present invention's
Improper restriction.In the accompanying drawings:
Fig. 1 is the flow chart of the processing technology of the nano heat-insulating slurry of the present invention.
Fig. 2 is the flow chart of the processing technology of the nanometer heat isolation paint of the present invention.
Fig. 3 is the flow chart of the processing technology of the compound adhesive of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with specifically
The present invention is described in further detail for embodiment.
First, the flow chart of processing technology that Fig. 1, Fig. 1 are the nano heat-insulating slurries of the present invention is referred to.
As it can be seen, the processing technology of the nano heat-insulating slurry of the present invention comprises the steps of
S11 mixing Tungstic anhydride., dispersant and solvent.In the present embodiment, the dispersant used
For sodium polyacrylate, solvent is ethyl acetate.
S12 performs polish process.Specifically, it is with grinder 1200rpm speed lapping 120 minutes.
S13 performs ultrasound wave program.Specifically, the power of the ultrasound wave used is 90W, ultrasonic
Frequency be 40kHz, and ultrasonic time is 60 minutes.Wherein, ultrasound wave is just producing in media as well
It is squeezed under negative pressure and draws, and can effectively make nanoparticle dispersed.
S14 adjusts the pH value of described dispersible suspension to 7.5～8.0.Specifically, manage according to DLVO
Opinion, when the absolute value of Zeta potential is bigger, the electric double layer of particle surface mainly shows as repulsion, i.e.
There is stronger electrostatic effect；And this repulsion is minimum when isoelectric point, IP, almost without electrostatic repulsion.One
As Zeta potential absolute value more than 30mV time, slurry has higher stability.It is to say,
The present invention can effectively control its Zeta potential through the pH value adjusting dispersible suspension to 7.5～8.0, enters
And the stability of the nano heat-insulating slurry made by maintaining.
In embodiments of the present invention, owing to using dispersant, pass through grinding and ultrasound wave program and adjust
The pH value of whole reaction solution is in the most interval.Consequently, it is possible to the ultrasound wave dispersion of nano-powder,
The depolymerization process such as mechanical lapping, and make nanoparticle be effectively dispersed in Jie by the shear action of external force
In matter, thus obtained nano heat-insulating size performance is stable, and the long period can be maintained not condense.
The present embodiment and part other embodiments in, the percentage by weight of Tungstic anhydride. be 10%-20%,
The percentage by weight of dispersant is 2%-10%, and above-mentioned percentage by weight is with the gross weight of dispersible suspension as base
Accurate.Owing to the weight of Tungstic anhydride. and dispersant has a said ratio relation, thus obtained nanometer
Heat-insulating slurry performance is more stable.Specifically, the percentage by weight of Tungstic anhydride. be such as 10%, 11%,
12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, on the other hand, dispersion
The percentage by weight of agent is such as 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%.Make
User can adjust the proportion relation of Tungstic anhydride. and dispersant according to its demand.
In the present embodiment and other embodiments of part, in adjusting in the step of pH value of dispersible suspension,
It is to adjust the pH value of dispersible suspension through pH value regulator, and the percentage by weight of pH value regulator
For 2%-5%.Specifically, the percentage by weight of pH value regulator is such as 2%, 3%, 4%, 5%.
The stability of the nano heat-insulating slurry made by the present invention is below detected through several experiments.
(1) sedimentation experiment:
The aqueous liquid dispersion of preparation is poured in 10 milliliters of scale test tubes, after standing 7, survey its upper strata
Clean water column height.Specifically, clean water column height is the highest, illustrates that nanoparticle is the most unstable.The present invention
The clean water column of nano heat-insulating slurry compared with prior art low at least 20%.
(2) ultraviolet-uisible spectrophotometer test:
Nano heat-insulating slurry dispersion liquid is placed on centrifuge and is centrifuged 10 minutes with 3000rpm.Take upper strata
Clear liquid is inserted in cuvette, measures it at 600nm with Hitachi U-3010 UV, visible light light splitting luminance meter
Light transmittance at wavelength.Light transmittance is the lowest, shows that dispersion liquid dispersion stabilization is the best.The nanometer of the present invention
The light transmittance of heat-insulating slurry is compared with prior art low at least 25%.
According to the processing technology of the nano heat-insulating slurry disclosed by the invention described above embodiment, made receives
Rice heat-insulating slurry detects via BT-9300H laser particle instrument, and the particle diameter of nanoparticle is received between 30～60
Between meter, and nanoparticle can maintain the state of long-time stable.So, i.e. efficiently solve
The problem that prior art suspension stability is the best.
The making work that nano heat-insulating slurry made by the present invention is made nanometer heat isolation paint introduced below
Skill.Refer to the flow chart of processing technology that Fig. 2, Fig. 2 are the nanometer heat isolation paints of the present invention.Such as figure
Shown in, the processing technology of the nanometer heat isolation paint of the present invention comprises the steps of
S21 mixing nano heat-insulating slurry and solvent.In the present embodiment, the solvent used is acetic acid second
Ester, and the weight ratio of nano heat-insulating slurry and solvent is 2:1.In this step, it is through 500rpm
Rotating speed stir 1 hour to reach mixed uniformly purpose.
S22 mixing previous solu and compound adhesive.Specifically, be by the solution obtained by step S21 with
Compound adhesive mix and blend 10 minutes, to reach well-mixed effect.Wherein, the weight hundred of compound adhesive
Proportion by subtraction is 10%-15%.Specifically, the percentage by weight of pH value regulator be such as 11%, 12%,
13%, 14%, 15%.
S23 mixing previous solu and firming agent.Specifically, add firming agent 3pt, and stir 20
Minute.
According to the processing technology of the nano heat-insulating slurry disclosed by the above embodiment of the present invention, can be the most prepared
Transparent nano heat-insulating slurry.Wherein, the nano heat-insulating slurry in nano heat-insulating slurry has high stability,
Can maintain and not condense for a long time.
Compound adhesive used in the present invention introduced below, refers to the compound adhesive that Fig. 3, Fig. 3 are the present invention
The flow chart of processing technology.As it can be seen, compound adhesive is by made by following steps:
S31 mixing glue and solvent.In the present embodiment, the solvent used is butanone, and glue
It is 1:1 with the weight ratio of solvent.In this step, it is that the rotating speed through 500rpm stirs 1 hour to reach
To mixed uniformly purpose.
S32 mixing previous solu and silicone coupling agents.Specifically, the weight hundred of silicone coupling agents
Proportion by subtraction is 1%-5%, for example, 1%, 2%, 3%, 4%, 5%.Thereby, silicone-modified to be formed
Acrylic emulsion, and then make film forming matter use.
In the present embodiment and other embodiments of part, glue is polyurethane glue.Thereby, to reach relatively
Good bonding effect.
According to the processing technology of the nanometer heat isolation paint disclosed by the above embodiment of the present invention, can be the most prepared
Transparent nanometer heat isolation paint.Nanometer heat isolation paint can be widely used in various field, has suitable
Economic worth.
Then, the nanometer heat isolation paint stirred uniformly is coated with by the present invention again through slit coating process
Cloth is 23 microns of PET membrane surface.Wherein, the thickness of coating for being essentially 8 microns, Jing Guojing
Close compound after prepare the semifinished material with heat-proof quality.Through 24 hours, 60 degrees Celsius of ripenings
After, then carry out the accurate coating of high transparency acrylate pressure sensitive adhesive, and be combined with mould release membrance.And at the back of the body
Face carries out UV precision coating, and via ultraviolet light polymerization, thickness is for being essentially 2 microns.So,
The nanometer heat isolation paint of the present invention can be prepared as fenestrated membrane.
Made fenestrated membrane is via test, case hardness ＞ 3H；Visible light transmissivity ＞ 70%；Infrared ray
Rejection rate ＞ 90%, haze≤1.3, (QUV1000hrs test) △ E≤0.5.
As it has been described above, according to the fenestrated membrane made by the nanometer heat isolation paint of the present invention, its effect of heat insulation is significant
Persistently, do not aoxidize, colour-fast, do not intercept GPS, high printing opacity heat insulation, high, low reflective, fast in colour,
The perfect fenestrated membrane product of life-span length.
The nano heat-insulating slurry of present invention offer, the processing technology of nanometer heat isolation paint, made nanometer
Heat-insulating slurry, nanometer heat isolation paint and in the application of thermal-insulation window film, have the advantages that
(1) present invention uses dispersant, passes through grinding and ultrasound wave program and adjust reaction solution
PH value in suitably interval, thus the nano heat-insulating slurry of stable performance can be prepared.
(2) the nano heat-insulating slurry that thermal-insulation window film serviceability of the present invention is stable, effect of heat insulation is significantly held
For a long time, do not aoxidize, colour-fast, do not intercept GPS, high printing opacity heat insulation, high, low reflective, fast in colour,
Service life is long.
Principle and the embodiment of the present invention are set forth by specific case used herein, above reality
The explanation executing example is only intended to help to understand the core concept of the present invention.It should be pointed out that, and this technology is led
For the those of ordinary skill in territory, under the premise without departing from the principles of the invention, it is also possible to the present invention is entered
The some improvement of row and modification.These improve and modify and should also be as falling into the protection domain of the claims in the present invention
In.
Claims (9)
1. the processing technology of a nano heat-insulating slurry, it is characterised in that described processing technology comprises following step
Rapid: mixing Tungstic anhydride. (WO3), dispersant and solvent, to form dispersible suspension；Perform to grind journey
Sequence；Perform ultrasound wave program；And adjust the pH value of described dispersible suspension to 7.5～8.0, receive to be formed
Rice heat-insulating slurry.
Technique the most according to claim 1, it is characterised in that the percentage by weight of described Tungstic anhydride.
Percentage by weight for 10%-20%, dispersant is 2%-10%, and above-mentioned percentage by weight is with described point
On the basis of dissipating the gross weight of suspension.
Technique the most according to claim 1, it is characterised in that in the described dispersible suspension of described adjustment
In the step of pH value, it is to adjust the pH value of described dispersible suspension and described through pH value regulator
The percentage by weight of pH value regulator is 2%-5%.
4. a nano heat-insulating slurry, it is characterised in that described nano heat-insulating slurry is by claim 1-3
In arbitrary described processing technology made by.
5. the processing technology of a nanometer heat isolation paint, it is characterised in that described processing technology comprises following step
Rapid: hybrid right requires the nano heat-insulating slurry described in 4 and solvent；Mixing previous solu and compound adhesive；
And mix previous solu and firming agent, to form nanometer heat isolation paint.
Technique the most according to claim 5, it is characterised in that described compound adhesive is by following steps institute
Make: mixing glue and solvent；And mix previous solu and silicone coupling agents, to form silicones
Modified acrylic acid emulsion.
Technique the most according to claim 6, it is characterised in that described glue is polyurethane glue.
8. a nanometer heat isolation paint, it is characterised in that described nanometer heat isolation paint is in claim 5-7
Made by arbitrary described processing technology.
9. a thermal-insulation window film, it is characterised in that the surface of described thermal-insulation window film is coated with claim 8 institute
The nanometer heat isolation paint stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473727.0A CN106010183A (en) | 2016-06-24 | 2016-06-24 | Nanometer thermal insulation slurry and coating, preparation technology of slurry and coating and application in thermal insulation window membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473727.0A CN106010183A (en) | 2016-06-24 | 2016-06-24 | Nanometer thermal insulation slurry and coating, preparation technology of slurry and coating and application in thermal insulation window membrane |
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| CN106010183A true CN106010183A (en) | 2016-10-12 |
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| CN201610473727.0A Pending CN106010183A (en) | 2016-06-24 | 2016-06-24 | Nanometer thermal insulation slurry and coating, preparation technology of slurry and coating and application in thermal insulation window membrane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739412A (en) * | 2016-11-24 | 2017-05-31 | 汕头万顺包装材料股份有限公司 | A kind of preparation method of intelligent light-controlled thermal-insulation window film |
| CN112625577A (en) * | 2020-12-23 | 2021-04-09 | 海安浩驰科技有限公司 | Preparation process and application of ultrahigh-transmittance blue-light-free and white-fog-free nano heat-insulating coating |
| CN113861745A (en) * | 2021-10-19 | 2021-12-31 | 海安浩驰科技有限公司 | Preparation of low-fading nano heat-insulating slurry and coating and application of heat-insulating automobile film |
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| CN112625577A (en) * | 2020-12-23 | 2021-04-09 | 海安浩驰科技有限公司 | Preparation process and application of ultrahigh-transmittance blue-light-free and white-fog-free nano heat-insulating coating |
| CN113861745A (en) * | 2021-10-19 | 2021-12-31 | 海安浩驰科技有限公司 | Preparation of low-fading nano heat-insulating slurry and coating and application of heat-insulating automobile film |
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Application publication date: 20161012 |