CN107629666A - Preparation method of Graphene glass transparent heat insulating dope and products thereof and application - Google Patents
Preparation method of Graphene glass transparent heat insulating dope and products thereof and application Download PDFInfo
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Abstract
The present invention is a kind of preparation method of Graphene glass transparent heat insulating dope and products thereof and application, nano heat-insulating powder, dispersant and solvent, it is sufficiently stirred, is then added in nano-level grinder, regulation rotating speed, which is ground, causes nano heat-insulating powder dispersion particle diameter in below 100nm.Graphene dispersing solution is prepared by ultrasound, above-mentioned dispersion liquid is added in resin, defoamer, levelling agent, adhesion promoter, curing agent, rheology thixotropic agent etc. is then respectively adding, stirs, produce the glass transparent insulating coating containing graphene.The Graphene glass transparent heat insulating dope prepared using the method for the invention, rapid heat dissipation, on the basis of light transmittance is ensured, is improved heat-insulating efficiency, reduces the risk of glass breaking, and heat transfer coefficient also has certain reduction, has broad application prospects.
Description
Technical field
Field of Environment Protection of the present invention, and in particular to a kind of preparation method of Graphene glass transparent heat insulating dope and products thereof and
Using.
Background technology
Current world economy high speed development, energy day is becoming tight, and exemplified by China, China is that coal consumption first is big at present
State, the big country of consumption of petroleum second, severe power shortage in recent years, oily famine, gas famine etc. appear in our daily life again and again, energy problem
It can not be ignored.Energy security turns into the problem of one, this century China is very urgent and real.Present world conventional gas and oil money
The peak period of Feed Discovery mistake, in 21 century whether developed country or developing country, it finally can all face unprecedented energy
Source crisis.
In face of upcoming energy crisis, China must take the strategy increased income and decreased expenditure, i.e., on the one hand save the energy, separately
On the one hand tap a new source of energy.There are huge potentiality in China in terms of energy-conservation, and China's energy consumption of unit product is high, per GDP output value energy
Consumption is high, and building energy consumption accounts for the 30%-40% of mankind's total energy consumption, wherein about half is caused by air-conditionings such as building and heating or refrigeration
, and account for the 30% of whole building air conditioning energy consumption by door and window dispersed heat.On the other hand, as modern architecture is to outdoor
The raising of the requirement such as landscape and indoor lighting, often using the windowpane or glass curtain wall structure of larger area, and building glass
As the weak link of heat-protecting glass, its thermal and insulating performance how is improved while glass color steel is ensured turns into reduction building
The important channel of energy consumption.
Approach main at present is to add the inorganic particles such as ATO, WO3, ITO in coating resin to apply to prepare glass heat-proof
Material.These inorganic particles have excellent assimilation effect in infrared band, and scattered are reached by excellent in visible light wave
Duan Youyi transmitance.But because the powder being commonly used mentioned above is the side by absorption near infrared ray
Formula, reaches heat-insulated effect, rather than the mode using transmitting, and which results in summer, these glass coatings are in the sun
Under irradiation, substantial amounts of heat can be absorbed, and is stored on glass, causes glass temperature very high, this aspect result in glass
Continue to transfer heat to interior by way of heat radiation, on the other hand which exasperates glass breaking, and then have huge
Hurt sb.'s feelings risk.In addition, glass transparent insulating coating due to its thickness it is relatively low, its heat transfer coefficient is typically smaller, and this is also limited
Its application in industry is lived is made.
The content of the invention
It is low for existing glass transparent insulating coating coefficient of heat insulation, the shortcomings that heat conduction efficiency is too high, the purpose of the present invention
It is：A kind of preparation method that glass transparent insulating coating is improved using graphene is provided.
Another object of the present invention is：Product prepared by the above method is provided.
A further object of the present invention is：The said goods application is provided.
The object of the invention is realized by following proposal：A kind of preparation method of Graphene glass transparent heat insulating dope, it is special
Sign is：Nano heat-insulating powder, dispersant and solvent are sufficiently stirred according to formula, ground in nano-level grinder so that receive
Rice heat-insulating powder dispersion particle diameter is in below 100nm；Then graphene dispersing solution is prepared by ultrasound, most above-mentioned dispersion liquid adds at last
Into resin, defoamer, levelling agent, adhesion promoter, curing agent, rheology thixotropic agent are then respectively adding, is stirred, i.e.,
Obtain the glass transparent insulating coating containing graphene.
On the basis of such scheme, the preparation method of the Graphene glass transparent heat insulating dope is as follows including step：
1）A certain amount of nano heat-insulating powder, dispersant and solvent are accurately weighed according to formula, is sufficiently stirred, then added
In nano-level grinder, adjust certain 500~4000 revs/min of rotating speed and grind a period of time 0.1~24 hour so that nanometer every
Hot powder dispersion particle diameter is ATO, ITO, WO3, wolframic acid caesium in below 100nm, wherein nano heat-insulating powder, and dispersant is dodecyl
Sodium sulphate, cetyl trimethylammonium bromide, APES, dodecyl sodium sulfate, solvent be water, isopropanol,
The mass ratio of ethanol, propylene glycol methyl ether acetate, nano heat-insulating powder and dispersant is 1:0.05~1, nano heat-insulating powder with
The mass ratio of solvent is 1:1~20；
2）A certain amount of graphene oxide is accurately weighed, is added into solvent, it is scattered 5~180 points by 10~60KHz of Ultrasound Instrument
Clock, wherein solvent be water, isopropanol, ethanol, propylene glycol methyl ether acetate, and with step 1）In solvent it is consistent, and solvent with
The mass ratio of graphene powder is 1:0.00001~0.01；
3）By step 1）The dispersion liquid of preparation and step 2）The graphene dispersing solution of preparation is added in resin, is then respectively adding
Defoamer, levelling agent, adhesion promoter, curing agent, rheology thixotropic agent, stir, and it is saturating to produce the glass containing graphene
Bright insulating moulding coating, wherein resin are aqueous polyurethane, acrylic resin, epoxy resin, and the quality of resin and graphene powder
Than for 1:0.00001~0.01, the mass ratio of resin and nano heat-insulating powder is 1:0.001~1.
The present invention utilizes the electrical and thermal conductivity that graphene is extremely excellent by the way that graphene is introduced into transparent heat insulating dope
Can, the heat that inorganic particle absorbs is transmitted on window frame, its heat-insulating efficiency is on the one hand improved, on the other hand reduces glass breaking
The risk hurted sb.'s feelings.At the same time, graphene is longitudinally having excellent barrier property, can also play the effect of certain isolation heat
Fruit, reduce the heat conduction efficiency of transparent heat insulating dope.Therefore, graphene introducing glass transparent insulating coating is had technical
Novelty and creativeness, and have huge prospect in actual applications.
The present invention provides a kind of Graphene glass transparent heat insulating dope, is prepared according to any of the above-described method.
The present invention provides a kind of application of graphene coating at the heat-insulated aspect of clear glass.
The Graphene glass transparent heat insulating dope prepared using the method for the invention, glass transition is fast, improves heat-insulated
Efficiency, and heat transfer coefficient also has certain reduction, on the basis of light transmittance is ensured, improves heat-insulating efficiency, reduces glass
Broken risk, has great application prospect.
Embodiment
The present invention, rather than limitation the scope of the present invention are further illustrated below by embodiment.
Embodiment 1
Precise nano heat-insulating powder, dispersant and solvent（Nano heat-insulating powder is ATO, and dispersant is dodecyl sulphur
Sour sodium, solvent are water, and the mass ratio of nano heat-insulating powder and dispersant is 1:0.2, the mass ratio of nano heat-insulating powder and solvent
For 1:3）, it is sufficiently stirred, then adds in nano-level grinder, adjust certain rotating speed（2000 revs/min）And grind one section
Time（2 hours）So that nano heat-insulating powder dispersion particle diameter is in below 100nm.A certain amount of graphene oxide is weighed, is added into molten
In agent（Solvent is water, and the mass ratio of graphene and solvent is 1:0.001）, pass through Ultrasound Instrument（30KHz）Scattered certain time（30
Minute）.Dispersion liquid and graphene dispersing solution are added in resin（Resin is aqueous polyurethane, resin and graphene powder
Mass ratio is 1:0.0001, the mass ratio of resin and nano heat-insulating powder is 1:0.02）, it is then respectively adding defoamer, levelling
Agent, adhesion promoter, curing agent, rheology thixotropic agent etc., stir, and produce the glass transparent insulating containing graphene and apply
Material.
Embodiment 2
Precise nano heat-insulating powder, dispersant and solvent（Nano heat-insulating powder is ITO, and dispersant is alkyl phenol polyoxy
Vinethene, solvent are glycerine methyl ether acetate, and the mass ratio of nano heat-insulating powder and dispersant is 1:0.15, nano heat-insulating powder
The mass ratio of body and solvent is 1:5）, it is sufficiently stirred, then adds in nano-level grinder, adjust certain rotating speed（1500 turns/
Minute）And grind a period of time（5 hours）So that nano heat-insulating powder dispersion particle diameter is in below 100nm.Weigh a certain amount of oxidation stone
Black alkene, is added into solvent（Solvent is glycerine methyl ether acetate, and the mass ratio of graphene and solvent is 1:0.002）, lead to
Cross Ultrasound Instrument（40KHz）Scattered certain time（20 minutes）.Dispersion liquid and graphene dispersing solution are added in resin（Resin is
The mass ratio of acrylic resin, resin and graphene powder is 1:0.0002, the mass ratio of resin and nano heat-insulating powder is 1:
0.01）, defoamer, levelling agent, adhesion promoter, curing agent, rheology thixotropic agent etc. are then respectively adding, is stirred, i.e.,
Obtain the glass transparent insulating coating containing graphene.
Embodiment 3
Precise nano heat-insulating powder, dispersant and solvent（Nano heat-insulating powder is WO3, and dispersant is alkyl phenol polyoxy
Vinethene, solvent are ethanol, and the mass ratio of nano heat-insulating powder and dispersant is 1:0.35, the matter of nano heat-insulating powder and solvent
Amount is than being 1:6）, it is sufficiently stirred, then adds in nano-level grinder, adjust certain rotating speed（2500 revs/min）And grind
For a period of time（8 hours）So that nano heat-insulating powder dispersion particle diameter is in below 100nm.Weigh a certain amount of graphene oxide, by itself plus
Enter in solvent（Solvent is ethanol, and the mass ratio of graphene and solvent is 1:0.003）, pass through Ultrasound Instrument（25KHz）It is scattered certain
Time（60 minutes）.Dispersion liquid and graphene dispersing solution are added in resin（Resin is epoxy resin, resin and Graphene powder
The mass ratio of body is 1:0.0004, the mass ratio of resin and nano heat-insulating powder is 1:0.05）, be then respectively adding defoamer,
Levelling agent, adhesion promoter, curing agent, rheology thixotropic agent etc., stir, and produce the glass transparent insulating containing graphene
Coating.
The Graphene glass transparent heat insulating dope performance that subordinate list 1 is prepared using the inventive method
。
Claims (4)
- A kind of 1. preparation method of Graphene glass transparent heat insulating dope, it is characterised in that：According to formula by nano heat-insulating powder, Dispersant and solvent are sufficiently stirred, and are ground in nano-level grinder so that nano heat-insulating powder dispersion particle diameter is in below 100nm；So Graphene dispersing solution is prepared by ultrasound afterwards, most above-mentioned dispersion liquid is added in resin at last, is then respectively adding defoamer, stream Flat agent, adhesion promoter, curing agent, rheology thixotropic agent, stir, and produce the glass transparent insulating containing graphene and apply Material.
- 2. the preparation method of Graphene glass transparent heat insulating dope according to claim 1, it is characterised in that including as follows Step：1）A certain amount of nano heat-insulating powder, dispersant and solvent are accurately weighed according to formula, is sufficiently stirred, then added In nano-level grinder, adjust certain 500~4000 revs/min of rotating speed and grind a period of time 0.1~24 hour so that nanometer every Hot powder dispersion particle diameter is ATO, ITO, WO3, wolframic acid caesium in below 100nm, wherein nano heat-insulating powder, and dispersant is dodecyl Sodium sulphate, cetyl trimethylammonium bromide, APES, dodecyl sodium sulfate, solvent be water, isopropanol, The mass ratio of ethanol, propylene glycol methyl ether acetate, nano heat-insulating powder and dispersant is 1:0.05~1, nano heat-insulating powder with The mass ratio of solvent is 1:1~20；2）A certain amount of graphene oxide is accurately weighed, is added into solvent, it is scattered 5~180 points by 10~60KHz of Ultrasound Instrument Clock, wherein solvent be water, isopropanol, ethanol, propylene glycol methyl ether acetate, and with step 1）In solvent it is consistent, and solvent with The mass ratio of graphene powder is 1:0.00001~0.01；3）By step 1）The dispersion liquid of preparation and step 2）The graphene dispersing solution of preparation is added in resin, is then respectively adding Defoamer, levelling agent, adhesion promoter, curing agent, rheology thixotropic agent, stir, and it is saturating to produce the glass containing graphene Bright insulating moulding coating, wherein resin are aqueous polyurethane, acrylic resin, epoxy resin, and the quality of resin and graphene powder Than for 1:0.00001~0.01, the mass ratio of resin and nano heat-insulating powder is 1:0.001~1.
- A kind of 3. Graphene glass transparent heat insulating dope, it is characterised in that method according to claim 1 or claim 2 be prepared every Hot coating.
- 4. application of the graphene insulating moulding coating at the heat-insulated aspect of clear glass according to claim 3.
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| CN110157268A (en) * | 2019-05-30 | 2019-08-23 | 上海纳旭实业有限公司 | Preparation method of glass transparent insulating health care coating and products thereof and application |
| CN110734662A (en) * | 2019-09-06 | 2020-01-31 | 长沙壹纳光电材料有限公司 | Cesium tungstate ethanol slurry and preparation process thereof |
| CN112592618A (en) * | 2020-12-15 | 2021-04-02 | 上海格斐特传感技术有限公司 | Porous absorption coating and preparation method thereof |
| CN115947373A (en) * | 2022-12-29 | 2023-04-11 | 上海朗亿功能材料有限公司 | Tungsten bronze heat insulation particle and preparation method thereof |
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| CN110157268A (en) * | 2019-05-30 | 2019-08-23 | 上海纳旭实业有限公司 | Preparation method of glass transparent insulating health care coating and products thereof and application |
| CN110734662A (en) * | 2019-09-06 | 2020-01-31 | 长沙壹纳光电材料有限公司 | Cesium tungstate ethanol slurry and preparation process thereof |
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