Background technology
With the development of national economy and modern science and technology, energy-conservation and environmental protection receive people and more and more pay close attention to.
Glass is widely used as building glass window, glass door, glass curtain wall, motor-vehicle glass window etc., and windowpane is lighting for buildings and energy
The important channel of turnover, have statistics show the heat dissipation capacity of building doors and windows China account for the 50% of the total heat dissipation capacity of building external with
On, it is 3-5 times of developed country, so building energy conservation first has to from door and window pick up.In recent years, the widely used large window of building
Family and glass curtain wall, which increases the energy consumption of building cooling in summer and warming, therefore transparent heat insulating glass coating
Research and using significant, wherein high performance selectively masking material can make glass to light in transparent heat insulating glass coating
Spectrum have it is selective pass through function, on the premise of it can not affect daylighting through major part visible ray, can stop again infrared light,
Far red light, ultraviolet light, block heat radiation, so as to reduce the energy consumption of air-conditioning or heating installation, reach the purpose of energy-conservation.
However, at present the various transparent heat insulating glass coating of research are mostly the glass heat-insulating coating of disposable application, make
Do not repair with after, change or remove, but prolongation that coating can be over time and continuous aged deterioration, its heat-insulated printing opacity work(
Can constantly reduce, appearance surfaces are also plain, to remove it at present recoating it is extremely difficult, cost is also extremely high.
In addition, the glass coating sold in the market is mostly oil paint, its film forming matter is essentially from petrochemical industry
Product, and its solvent also adopts organic solvent more, usually containing formaldehyde, free toluene diisocyanate (TDI) and dimethylbenzene etc.
Noxious material, these materials constantly come out during glass coating production process and use, not only cause environmental pollution,
And damage health.With the raising of environmental requirement, both at home and abroad to volatile organic matter (Volatile Organic
Compounds, VOC) use of solvent limited.Compared with traditional solvent based coating, water paint have price it is low,
Using safety, save resources and the energy, the advantages of reduce environmental pollution and public hazards, thus current development coatings industry is become
Main way, so glass coating is developed by solvent-borne type hydrotropism, it is the inexorable trend for adapting to environment protection requirement development.
Therefore, for the technical problem existing for above-mentioned existing glass coating, a kind of the aqueous peelable of energy-conserving and environment-protective is developed
An urgent demand in market is become from transparent heat insulating glass coating.
The content of the invention
It is an object of the invention to provide a kind of aqueous peelable transparent heat insulating glass coating, its coating is easily peeled off
Remove, and VOC solvent content is low, safety and environmental protection.
Another object of the present invention is to provide a kind of preparation method of aqueous peelable transparent heat insulating glass coating, technique
Aqueous peelable transparent heat insulating glass coating simple to operate, prepared, its coating is easily peeled off removal, and VOC solvent content
It is low, safety and environmental protection.
For achieving the above object, the present invention provides a kind of aqueous peelable transparent heat insulating glass coating, comprising raw material components
And its percentage by weight is as follows:
Wherein, the aqueous organic resin complex emulsions are the compound of flexible aqueous acrylic resin and water-based fluorocarbon resin
Emulsion.
The raw material components of the aqueous organic resin complex emulsions include flexible aqueous acrylic resin emulsion and aqueous fluorine
Carbon resin emulsion, wherein, the mass ratio of the flexible aqueous acrylic resin emulsion and water-based fluorocarbon resin emulsion is 8-10:1,
The vitrification point of the flexible aqueous acrylic resin emulsion is 0-5 DEG C, the flexible aqueous acrylic resin emulsion and water
The solid content of property fluorocarbon resin emulsion is 38-42%;The pH value of the aqueous organic resin complex emulsions is 8.0-9.0.
The raw material components and its percentage by weight that the water nano ATO and ITO compound heat-insulation slurries are included are as follows:Nanometer
ATO 6-8%, nano-ITO 2-4%, silane coupling agent 1.5-2.5%, compound hyper-dispersant 0.8-1.2%, deionized water
85-90%;The pH value of the water nano ATO and ITO compound heat-insulation slurries is 8.0-9.0.
The silane coupling agent is epoxy radicals trimethoxysilane coupling agent.The coalescents are butyl glycol ether;Institute
It is ethoxy base class nonionic fluorocarbon surfactant to state moistening flatting agent, and its structural formula is Rf (CH2CH2O)nH, wherein Rf=F
(CF2CF2)m, n=1-15, m=1-7, its molecular weight is 700-750.
The present invention also provides a kind of preparation method of aqueous peelable transparent heat insulating glass coating, comprises the steps:
Step 1, prepare aqueous organic resin complex emulsions and water nano ATO and ITO compound heat-insulation slurry;With estimated
On the basis of the gross weight of obtained aqueous peelable transparent heat insulating glass coating, aqueous organic resin is weighed by weight proportion respectively
Complex emulsions 40.0-60.0%, water nano ATO and ITO compound heat-insulation slurry 25.0-30.0%, coalescents 2.0-
3.0%th, moistening flatting agent 0.01-0.05%, organic silicon defoamer 0.01-0.03%, alkali solubility thickening stabilizing agent 0.1-
0.3% and deionized water 10.0-33.0%;Wherein, the aqueous organic resin complex emulsions are flexible aqueous acrylic resin
With the complex emulsions of water-based fluorocarbon resin;
Step 2, by the deionized water for weighing up, coalescents, moistening flatting agent, organic silicon defoamer and alkali solubility thickening
Stabilizer is added in container, is uniformly mixed, and tune solution ph is 8.0-9.0;
In step 3, the solution for adding the step 2 to obtain the organic resin complex emulsions for weighing up, it is uniformly mixed;
Step 4,500-1000r/min stirring under by the water nano ATO and ITO compound heat-insulation slurry for weighing add
In the solution that the step 3 is obtained, dispersed with stirring 10-15min is then proceeded to, it is ensured that be uniformly dispersed, obtain aqueous peelable
Bright insulating glass coating.
The preparation process of the aqueous organic resin complex emulsions is specifically, by flexible aqueous acrylic resin emulsion and water
Property fluorocarbon resin emulsion add in container by certain mass ratio, be uniformly mixed, then adjust solution ph to be 8.0-
9.0, obtain aqueous organic resin complex emulsions;Wherein, the flexible aqueous acrylic resin emulsion and water-based fluorocarbon resin breast
The mass ratio of liquid is 8-10:1;The vitrification point of the flexible aqueous acrylic resin emulsion is 0-5 DEG C, and the flexibility is aqueous
The solid content of acrylic resin emulsion and water-based fluorocarbon resin emulsion is 38-42%.
The preparation process of the water nano ATO and ITO compound heat-insulation slurries is specifically, with estimated obtained water nano
On the basis of the gross weight of ATO and ITO compound heat-insulation slurries, weigh by weight proportion nano ATO 6-8%, nano-ITO 2-4%,
Silane coupling agent 1.5-2.5%, compound hyper-dispersant 0.8-1.2% and deionized water 85-90%, by the nanometer for weighing
ATO, nano-ITO, silane coupling agent and compound hyper-dispersant are added and are well mixed in deionized water, and adjust the solution ph to be
8.0-9.0, obtains suspension, then by the suspension first pass through sand mill grinding, then adopt ultrasonic wave dispersion 20min with
On, it is ensured that the fineness of ATO and ITO obtains water nano ATO and ITO compound heat-insulation slurry below 100 nanometers.
The silane coupling agent is epoxy radicals trimethoxysilane coupling agent.
The coalescents are butyl glycol ether;
The moistening flatting agent is ethoxy base class nonionic fluorocarbon surfactant, and its structural formula is Rf (CH2CH2O)nH, wherein Rf=F (CF2CF2)m, n=1-15, m=1-7, its molecular weight is 700-750.
Beneficial effects of the present invention:The aqueous peelable transparent heat insulating glass coating of the present invention, comprising raw material components and its
Percentage by weight is:Aqueous organic resin complex emulsions 40.0-60.0%;Water nano ATO and ITO compound heat-insulation slurry
25.0-30.0%;Coalescents 2.0-3.0%;Moistening flatting agent 0.01-0.05%;Organic silicon defoamer 0.01-0.03%;
Alkali solubility thickening stabilizing agent 0.1-0.3%;Deionized water 10.0-33.0%;Wherein, the aqueous organic resin complex emulsions are
The complex emulsions of flexible aqueous acrylic resin and water-based fluorocarbon resin;Due to adding with low surface tension and resist blocking and that
Water-base fluorocarbon emulsion, it is ensured that the rippability of its coating, so as to aqueous peelable transparent heat insulating glass coating of the invention not only
Function with general insulating glass coating, and its coating is also easy to stripping removal, is conducive to repairing or changes, without special
Add special stripping auxiliary agent, more preferably, use time is longer for resistance to ag(e)ing;Aqueous, environmental protective system is adopted in addition, with low stain, low
The characteristics of VOC solvent, the health and atmospheric environment of workmen are not damaged.The aqueous peelable transparent heat insulating glass of the present invention is applied
The preparation method of material, technological operation is simple, prepared aqueous peelable transparent heat insulating glass coating, not only with general heat-insulated
Beyond the function of glass coating, and its coating is also easy to peel off and removes, safety and environmental protection.
Specific embodiment
Further to illustrate the technological means taken of the invention and its effect, below in conjunction with being preferable to carry out for the present invention
Example and its accompanying drawing are described in detail.
Present invention firstly provides a kind of aqueous peelable transparent heat insulating glass coating, comprising component and its weight percent such as
Under:
Wherein, the aqueous organic resin complex emulsions are the compound of flexible aqueous acrylic resin and water-based fluorocarbon resin
Emulsion.
Specifically, the raw material components of the aqueous organic resin complex emulsions include flexible aqueous acrylic resin emulsion and
Water-based fluorocarbon resin emulsion, wherein, the mass ratio of the flexible aqueous acrylic resin emulsion and water-based fluorocarbon resin emulsion is
8-10:1, the vitrification point of the flexible aqueous acrylic resin emulsion is 0-5 DEG C, the flexible aqueous acrylic resin breast
The solid content of liquid and water-based fluorocarbon resin emulsion is 38-42%;The pH value of the aqueous organic resin complex emulsions is 8.0-
9.0。
Specifically, the water nano ATO and ITO compound heat-insulation slurries are included raw material components and its weight percent are such as
Under:Nano ATO 6-8%, nano-ITO 2-4%, silane coupling agent 1.5-2.5%, compound hyper-dispersant 0.8-1.2%, go
Ionized water 85-90%;The pH value of the water nano ATO and ITO compound heat-insulation slurries is 8.0-9.0.
Specifically, the coalescents can be butyl glycol ether.
Specifically, the moistening flatting agent can be ethyoxyl class nonionic fluorocarbon surfactant FSO.
Specifically, the silane coupling agent can be epoxy radicals trimethoxysilane coupling agent;It is described compound ultra-dispersed
Agent can be YH-1610.
Specifically, the organic silicon defoamer can be AFE1520;The alkali solubility thickening stabilizing agent can be CP-
807。
The aqueous peelable transparent heat insulating glass coating of the present invention, due to adding with basal surface tension force and resist blocking and that
Water-base fluorocarbon emulsion, it is ensured that the rippability of its coating, so as to not only have beyond the function of general insulating glass coating, and
Its coating is also easy to peel off and removes, and is conducive to repairing or changes, and without being especially added with special stripping auxiliary agent, resistance to ag(e)ing is more preferable,
Use time is longer;In addition, using aqueous, environmental protective system, the characteristics of with low stain, low VOC solvent, workmen is not damaged
Health and atmospheric environment;Furthermore, using water nano ATO and ITO compound heat-insulation slurry, it is ensured that excellent visible light transmission
Rate, excellent infrared light and ultraviolet light barrier, and high stability in the product, make product have more preferable septum pellucidum thermal effect
Really;Finally, make product that there is certain adhesive force and the uniformity in glass surface using the moistening flatting agent of special construction.
Fig. 1 is referred to, based on above-mentioned aqueous peelable transparent heat insulating glass coating, also offer one kind of the invention is aqueous can
The preparation method of transparent heat insulating glass coating is peeled off, is comprised the steps:
Step 1, prepare aqueous organic resin complex emulsions and water nano ATO and ITO compound heat-insulation slurry;With estimated
On the basis of the gross weight of obtained aqueous peelable transparent heat insulating glass coating, aqueous organic resin is weighed by weight proportion respectively
Complex emulsions 40.0-60.0%, water nano ATO and ITO compound heat-insulation slurry 25.0-30.0%, coalescents 2.0-
3.0%th, moistening flatting agent 0.01-0.05%, organic silicon defoamer 0.01-0.03%, alkali solubility thickening stabilizing agent 0.1-
0.3% and deionized water 10.0-33.0%;Wherein, the aqueous organic resin complex emulsions are flexible aqueous acrylic resin
With the complex emulsions of water-based fluorocarbon resin.
Specifically, the preparation process of the aqueous organic resin complex emulsions is specifically, by flexible aqueous acrylic resin
Emulsion and water-based fluorocarbon resin emulsion are added in container by certain mass ratio, are uniformly mixed, then by adding pH
It is 8.0-9.0 that conditioning agent adjusts solution ph, obtains aqueous organic resin complex emulsions;Wherein, the flexible aqueous acrylic acid tree
The mass ratio of fat liquor and water-based fluorocarbon resin emulsion is 8-10:1;The vitrifying temperature of the flexible aqueous acrylic resin emulsion
Spend for 0-5 DEG C, the solid content of the flexible aqueous acrylic resin emulsion and water-based fluorocarbon resin emulsion is 38-42%.
Specifically, the preparation process of the water nano ATO and ITO compound heat-insulation slurries is specifically, with estimated obtained
On the basis of the gross weight of water nano ATO and ITO compound heat-insulation slurry, nano ATO 6-8%, nanometer are weighed by weight proportion
ITO2-4%, silane coupling agent 1.5-2.5%, compound hyper-dispersant 0.8-1.2% and deionized water 85-90%, will weigh
Nano ATO well, nano-ITO, silane coupling agent and compound hyper-dispersant are added and are well mixed in deionized water, and are passed through
It is 8.0-9.0 that addition pH adjusting agent adjusts solution ph, obtains suspension, then the suspension is first passed through into sand mill grinding,
Then using ultrasonic wave disperse more than 20min, it is ensured that the fineness of ATO and ITO less than 100 nanometers, obtain water nano ATO with
ITO compound heat-insulation slurries.
Specifically, the coalescents are butyl glycol ether.
Specifically, the moistening flatting agent is ethoxy base class nonionic fluorocarbon surfactant FSO.
Specifically, the silane coupling agent can be epoxy radicals trimethoxysilane coupling agent;It is described compound ultra-dispersed
Agent can be YH-1610.
Specifically, the organic silicon defoamer can be AFE1520;The alkali solubility thickening stabilizing agent can be CP-
807。
Step 2, by the deionized water for weighing up, coalescents, moistening flatting agent, organic silicon defoamer and alkali solubility thickening
Stabilizer is added in container, is uniformly mixed, and is 8.0-9.0 by add pH adjusting agent to adjust solution ph.
In step 3, the solution for adding the step 2 to obtain the organic resin complex emulsions for weighing up, it is uniformly mixed.
Step 4,500-1000r/min stirring under by the water nano ATO and ITO compound heat-insulation slurry for weighing add
In the solution that the step 3 is obtained, dispersed with stirring 10-15min is then proceeded to, it is ensured that be uniformly dispersed, obtain aqueous peelable
Bright insulating glass coating.
One preferred embodiment of the glass heat-insulating coating of the aqueous transparent strippable of the present invention is as follows:
1st, the preparation of water nano ATO and ITO compound heat-insulation slurries
On the basis of to be expected the gross weight of obtained water nano ATO and ITO compound heat-insulation slurry, weigh by weight proportion
Nano ATO 7%, nano-ITO 3%, epoxy radicals trimethoxysilane coupling agent 2%, compound hyper-dispersant (YH-1610)
1% and deionized water 87%, the nano ATO for weighing, nano-ITO, silane coupling agent and compound hyper-dispersant are added
It is well mixed in deionized water, and is 8.0-9.0 by add pH adjusting agent to adjust solution ph, suspension is obtained, then by institute
State suspension and first pass through sand mill grinding 2h, then more than 20min is disperseed using ultrasonic wave, it is ensured that the fineness of ATO and ITO exists
Less than 100 nanometers, obtain water nano ATO and ITO compound heat-insulation slurry.
2nd, the preparation of aqueous organic resin complex emulsions
By flexible aqueous acrylic resin emulsion that solid content is 40% and water-based fluorocarbon resin emulsion by 9:1 mass ratio
In example addition container, being uniformly mixed, being then 8.0-9.0 by add pH adjusting agent to adjust solution ph, obtain aqueous having
Machine resin compounded emulsion.
3rd, the preparation of aqueous strippable insulating mold coating of transparent glass
(1) in the present embodiment, it is contemplated that obtained aqueous peelable transparent heat insulating glass coating includes component and its weight hundred
Divide ratio as follows:
Wherein, coalescents are butyl glycol ether, and moistening flatting agent is fluorocarbon surfactant FSO, organic silicon defoamer
For AFE 1520, alkali solubility thickening stabilizing agent is CP-807;Each component is weighed by above-mentioned formula.
(2) deionized water for weighing, coalescents, moistening flatting agent, defoamer and stabilizer are added in container, is stirred
Mix and be well mixed, tune pH value is 8.0-9.0.
(3) the organic resin complex emulsions for weighing are added in said vesse, is uniformly mixed.
(4) the water nano ATO and ITO compound heat-insulation slurry for weighing is added under 500-1000r/min stirrings
In stating container, dispersed with stirring 10-15min is then proceeded to, it is ensured that be uniformly dispersed.
The all technical of the glass heat-insulating coating of the aqueous transparent strippable of the present invention:
Project |
Index |
Condition in container |
It is in uniform state after stirring without lump |
PH value |
8.0-9.0 |
Drying time (surface drying), h |
≤2 |
Peel strength, g/cm |
70-100 |
Elongation at break, % |
≥200 |
Tensile strength, MPa |
≥7.0 |
Visible transmission ratio, % |
≥70 |
Ultraviolet isolating rate |
>=90% |
Infrared ray rejection rate |
>=75% |
Artificial ageing resistance |
1000h is without exception |
In sum, aqueous peelable transparent heat insulating glass coating of the invention, comprising raw material components and its weight percent
Than for:Aqueous organic resin complex emulsions 40.0-60.0%;Water nano ATO and ITO compound heat-insulation slurry 25.0-30.0%;
Coalescents 2.0-3.0%;Moistening flatting agent 0.01-0.05%;Organic silicon defoamer 0.01-0.03%;Alkali solubility thickening is steady
Determine agent 0.1-0.3%;Deionized water 10.0-33.0%;Wherein, the aqueous organic resin complex emulsions are flexible aqueous propylene
The complex emulsions of acid resin and water-based fluorocarbon resin;Due to adding the breast of the water-based fluorocarbon with low surface tension and resist blocking and that
Liquid, it is ensured that the rippability of its coating, so as to the aqueous peelable transparent heat insulating glass coating of the present invention not only have it is general every
The function of hot glass coating, and its coating is also easy to stripping removal, is conducive to repairing or changes, without being especially added with special stripping
From auxiliary agent, more preferably, use time is longer for resistance to ag(e)ing;Aqueous, environmental protective system is adopted in addition, with low stain, low VOC solvent
Feature, does not damage the health and atmospheric environment of workmen.The preparation of the aqueous peelable transparent heat insulating glass coating of the present invention
Method, technological operation is simple, prepared aqueous peelable transparent heat insulating glass coating, not only with general insulating glass coating
Function beyond, and its coating be also easy to peel off remove, safety and environmental protection.
The above, for the person of ordinary skill of the art, can be with technology according to the present invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to appended right of the invention
The protection domain of requirement.