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CN101538443A - Method for preparing automobile finish made of nanometer heat insulation material - Google Patents

Method for preparing automobile finish made of nanometer heat insulation material Download PDF

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Publication number
CN101538443A
CN101538443A CN200810026858A CN200810026858A CN101538443A CN 101538443 A CN101538443 A CN 101538443A CN 200810026858 A CN200810026858 A CN 200810026858A CN 200810026858 A CN200810026858 A CN 200810026858A CN 101538443 A CN101538443 A CN 101538443A
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Prior art keywords
tin oxide
antimony tin
nano antimony
heat insulation
agent
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CN200810026858A
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Chinese (zh)
Inventor
汤汉良
朱斌
向弘
尹诗衡
匡同春
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Abstract

The invention relates to a method for preparing automobile finish made of nanometer heat insulation material, which comprises the steps of: step one, the preparation of nanometer tin antimony oxide powder; step two, the preparation of nanometer tin antimony oxide slurry; and step three, the preparation of nanometer tin antimony oxide heat insulation automobile finish coating. The prepared automobile finish made of the nanometer heat insulation material has good physical and mechanical properties, also greatly improves the whole heat-insulating property of automobiles, and greatly relieves the use and the dependence on air conditioners during the driving of the automobiles, thereby reducing oil consumption of the automobiles, effectively saving energy sources, and reducing atmospheric pollution.

Description

A kind of preparation method of automobile finish of nanometer heat insulation material
Technical field
The present invention relates to a kind of preparation method of automobile finish of nanometer heat insulation material.
Background technology
Extensive studies and trial have been carried out for improving the automobile heat insulation effect both at home and abroad.What occur in the market mainly is for the used double glazing of shield glass, membrane plating heat-reflection glass and various Heat insulation type adhering films etc.For the exploitation of nano heat-insulating coating, the investigator concentrates in its application as heat-protecting glass both at home and abroad.Discover, n-type nano semiconductor material such as tin indium oxide (ITO), tin-antiomony oxide (ATO) etc. with wide energy gap have similar optical property, promptly has high reflectivity in the infrared light district, has high transmitance at visible region, has high specific absorption in the ultraviolet region, reflectivity as U.S.'s Ray-Ban its infrared region of automobile heat insulation film reaches 70%~80%, and visible light transmissivity reaches 70%.Therefore n-type nano semiconductor material is a kind of ideal transparent insulate material.But for present thermal insulating coating on the market all is the thermal insulating coating that applies floor height reflection on vehicle glass, and to reduce the absorption to solar radiation, the interior heat of car is imported in reduction into.But the automobile integral surface area less than 1/5th that front windshield is shared, as seen it only is embodied in the part to the effect of heat insulation of automobile, and not from the effect of bringing into play effect of heat insulation on the whole of automobile.The tin-antiomony oxide nanoparticle is the solid material of size less than 100nm, has special construction, make it have conventional fine powder not available four big effects, be quantum size effect, small-size effect, surface effects and macro quanta tunnel effect, thereby show many peculiar optics, calorifics, electricity, magnetics, mechanics, physics, chemical property, can be used for the traditional coating of modification.This optical property that the present invention utilizes nano antimony tin oxide to have is used for car paint and gives coating special function, satisfies heat insulation needs.Do not see that having document to mention adopts nanometer heat insulation material to make automobile finish coating.
Summary of the invention
The present invention is directed to and utilize automobile finish to realize the whole heat insulation blank of automobile at present on the market, it is heat insulation to develop a kind of realization automobile integral body, preparation technology's method of the automobile finish that effect of heat insulation is good.The present invention at first prepares the tin-antiomony oxide that is suitable for the reflective infrared energy, be main raw material with the tin-antiomony oxide slurry again, selecting suitable resin for use is film forming matter, the two and other auxiliary aid are mixed with thermal insulating coating, be applied in the automotive industry as automobile finish, solve the limitation that single use glass heat-proof film satisfies automobile heat insulation.This nano heat-insulating coating of the present invention's development is after keeping the high scratch resistance wound of automobile finish coating itself, colorful performance corrosion-resistant, attractive in appearance, also make coating have high-reflectivity in the infrared light district, has good effect of heat insulation, improve the heat-proof quality of vehicle complete vehicle widely, reduce the use of air-conditioning, reduce automobile fuel consumption, satisfy the development requirement of energy-efficient automobile.
A kind of preparation method who is applied to the nanometer heat insulation material of car paint may further comprise the steps and processing condition:
Step 1: the preparation of nano antimony tin oxide powder.
The present invention adopts hydroxides and oxides ultrafine powders nano antimony tin oxide powder, takes by weighing a certain amount of SnCl by a certain percentage 45H 2O and SbCl 3, use an amount of anhydrous alcohol solution, feed ammonia and impel reaction to carry out to the direction that generates alkoxide.After reaction is finished, cooling, the centrifugal precipitation of removing is got supernatant liquor and is added tensio-active agent, then heating.Ageing, washing, dehydration, drying, calcining after reaction is finished, at last light blue nano antimony tin oxide powder.
Step 2: the preparation of nano antimony tin oxide slurry.
At first dehydrated alcohol and dispersion agent uniform mixing, then the nano antimony tin oxide powder is added wherein, under certain rotating speed, stir, add pH value conditioning agent regulation system to the pH value that is fit to, adopt high speed dispersor and ball mill to disperse to make the nano antimony tin oxide dispersion behind the certain hour at last, wherein the nano antimony tin oxide powder is the prepared nano-powder of step 1, and its particle diameter is less than 100nm.
Step 3: the preparation of nano antimony tin oxide insulating car finish paint coating.
Nano antimony tin oxide insulating car finish paint coating of the present invention, by the nano antimony tin oxide slurry, filmogen, color stuffing, solidifying agent, catalyzer, auxiliary agent is formed, in the described coating solids constituent, each component solid proportion is: the nano antimony tin oxide slurry accounts for 0.5%~2%, filmogen accounts for 10%~30%, solidifying agent accounts for 12%~30%, color stuffing accounts for 20%~60%, catalyzer accounts for 0.1%~3%, and auxiliary agent accounts for 0.3%~3%, more than all be weight percentage, wherein the nano antimony tin oxide slurry is the nano antimony tin oxide dispersion slurry for preparing in the step 2, its solid part is 10%~15%, and filmogen is a urethane resin, the solidifying agent polyisocyanates.
The present invention compared with prior art also has following advantage:
A, the present invention prepare the nano antimony tin oxide powder that can be used for producing automobile heat insulation coating, the infrared reflectance of this nano-powder reaches 75.2%~80.5%, the stabilized scattering nano particle slurry that is obtained can be used in the car paint effectively, it is functional to increase car paint, prepared nano antimony tin oxide dispersion applied widely;
B, the present invention adopt high-performance dual-component automobile finish and nano antimony tin oxide particle successfully to be prepared into the whole heat insulation automobile finish coating of satisfied automobile of solids constituent height, excellent performance, this kind japanning VOC content is low, only be 1 1%, its construction operation scope is wide, paint film has good physical and mechanical properties, is a kind of novel method that environmental protection is suitable for the automobile finish product of type, heat insulating function type for preparing;
The prepared thermal insulating coating of c, the present invention improves the automobile integral heat-insulation property, has greatly alleviated during automobile is advanced use and dependence to air-conditioning, thereby has reduced automobile fuel consumption, has saved the energy effectively, reduces topsoil.
Embodiment
Below in conjunction with embodiment the present invention is further described in detail, but is not limited thereto.Quantity among the embodiment is weight part.Used raw material is commercially available product.
Embodiment one
Step 1: the preparation of nano antimony tin oxide powder.
Sb/Sn ratio in certain 7% takes by weighing a certain amount of SnCl 45H 2O and SbCl 3, use an amount of anhydrous alcohol solution, treat to dissolve fully the back and mix as for heated and stirred in the there-necked flask about 80 ℃ to temperature, backflow 5h, and feed ammonia and impel reaction to carry out to the direction that generates alkoxide.The feeding amount of ammonia is no longer to produce NH 4Till the white cigarette of Cl.After reaction was finished, cooling ended room temperature, the centrifugal precipitation of removing, get supernatant liquor and make the alkoxide solution of 0.1mol/l, add 1% tensio-active agent, then heating, splash into concentration and be 8% ammonia soln and adjust the pH value hydrolysis reaction that is hydrolyzed, make light yellow tin-antiomony oxide presoma gelatinous precipitate.Ageing after reaction is finished, distilled water wash are to there not being Cl -, in 60 ℃ of dryings, again through 600 ℃ of calcinings, after the powder aftertreatment gets light blue nano antimony tin oxide powder.
Step 2: the preparation of nano antimony tin oxide slurry.
At first dehydrated alcohol and dispersion agent uniform mixing, be divided into 10% by solid then and take by weighing the adding of nano antimony tin oxide powder wherein, under certain rotating speed, stir, add pH value conditioning agent regulation system to pH7, adopt high speed dispersor to disperse 2h at last with 5000rpm speed, disperse to make the nano antimony tin oxide dispersion behind the 2h with ball mill again, wherein the nano antimony tin oxide powder is the prepared nano-powder of step 1, and its particle diameter is less than 100nm.
Step 3: the automobile finish preparation of nanometer heat insulation material
With white colored paint is example, and prescription sees Table 1.
Table 1
Material name Consumption (%)
Nano antimony tin oxide slurry (solids constituent 10%) 1.0
Filmogen 25.7
Color stuffing 55.1
Solidifying agent 18.4
Catalyzer 0.3
Auxiliary agent 0.5
It is 15 μ m that filmogen in the table 1 is ground to fineness with color stuffing, part of auxiliary, adding the nano antimony tin oxide slurry is uniformly dispersed, adding solidifying agent, catalyzer, residue auxiliary agent stir filtration, and this coating solid is divided into 65 ± 2%, and wherein organic solvent content is 5%.Regulate about 40 seconds of viscosity (being coated with-4 glasss) with distilled water then, the preparation model detects heat-proof quality and film performance the results are shown in Table 2.
Table 2
Detect the present invention The result
Heat-proof quality (infrared reflectivity) 75%
Outward appearance Smooth, smooth
Hardness 〉= 0.7
Anti-hitting property of stone, level 1
Snappiness, mm≤ 1
Shock-resistance, cm 60
Humidity resistance, h 270
Salt fog resistance, h 500
Sticking power, level 0
Embodiment two
Step 1: the preparation of nano antimony tin oxide powder.
Sb/Sn ratio in certain 7% takes by weighing a certain amount of SnCl 45H 2O and SbCl 3, use an amount of anhydrous alcohol solution, treat to dissolve fully the back and mix as for heated and stirred in the there-necked flask about 80 ℃ to temperature, backflow 5h, and feed ammonia and impel reaction to carry out to the direction that generates alkoxide.The feeding amount of ammonia is no longer to produce NH 4Till the white cigarette of Cl.After reaction was finished, cooling ended room temperature, the centrifugal precipitation of removing, get supernatant liquor and make the alkoxide solution of 0.1mol/l, add 1% tensio-active agent, then heating, splash into concentration and be 8% ammonia soln and adjust the pH value hydrolysis reaction that is hydrolyzed, make light yellow tin-antiomony oxide presoma gelatinous precipitate.Ageing after reaction is finished, distilled water wash are to there not being Cl -, in 60 ℃ of dryings, again through 600 ℃ of calcinings, after the powder aftertreatment gets light blue nano antimony tin oxide powder.
Step 2: the preparation of nano antimony tin oxide slurry.
At first dehydrated alcohol and dispersion agent uniform mixing, be divided into 15% by solid then and take by weighing the adding of nano antimony tin oxide powder wherein, under certain rotating speed, stir, add pH value conditioning agent regulation system to pH7, adopt high speed dispersor to disperse 2h at last with 5000rpm speed, disperse to make the nano antimony tin oxide dispersion behind the 2h with ball mill again, wherein the nano antimony tin oxide powder is the prepared nano-powder of step 1, and its particle diameter is less than 100nm.
Step 3: the preparation of automobile finish nanometer heat insulation material
With red colored paint is example, and prescription sees Table 3.
Table 3
Material name Consumption (%)
Nano antimony tin oxide slurry (solids constituent 15%) 0.8
Filmogen 30.5
Color stuffing 47.2
Solidifying agent 20.6
Catalyzer 0.3
Auxiliary agent 0.6
It is 15 μ m that filmogen in the table 3 is ground to fineness with color stuffing, part of auxiliary, adding the tin-antiomony oxide slurry is uniformly dispersed, add solidifying agent, catalyzer, residue auxiliary agent and water and stir filtration, this coating solid is divided into 58 ± 2%, and wherein organic solvent content is 9%.Regulate about 40 seconds of viscosity (being coated with-4 glasss) with distilled water then, the preparation model detects heat-proof quality and film performance the results are shown in Table 4.
Table 4
Detect the present invention The result
Heat-proof quality (infrared reflectivity) 78%
Outward appearance Smooth, smooth
Hardness 〉= 0.6
Anti-hitting property of stone, level 1
Snappiness, mm≤ 1
Shock-resistance, cm 55
Humidity resistance, h 280
Salt fog resistance, h 520
Sticking power, level 0

Claims (3)

1, a kind of preparation method of automobile finish of nanometer heat insulation material is characterized in that:
Step 1: the preparation of nano antimony tin oxide powder
Adopt hydroxides and oxides ultrafine powders nano antimony tin oxide powder, take by weighing a certain amount of SnCl by a certain percentage 45H 2O and SbCl 3, use an amount of anhydrous alcohol solution, feed ammonia and impel reaction to carry out to the direction that generates alkoxide; After reaction is finished, cooling, the centrifugal precipitation of removing is got supernatant liquor and is added tensio-active agent, then heating; Ageing, washing, dehydration, drying, calcining after reaction is finished, at last light blue nano antimony tin oxide powder;
Step 2: the preparation of nano antimony tin oxide slurry
At first dehydrated alcohol and dispersion agent uniform mixing, then the nano antimony tin oxide powder is added wherein, under certain rotating speed, stir, add pH value conditioning agent regulation system to the pH value that is fit to, adopt high speed dispersor and ball mill to disperse to make the nano antimony tin oxide dispersion behind the certain hour at last, wherein the nano antimony tin oxide powder is the prepared nano-powder of step 1, and its particle diameter is less than 100nm;
Step 3: the preparation of the automobile finish coating of nanometer heat insulation material
Nano antimony tin oxide insulating car finish paint coating, by the nano antimony tin oxide slurry, filmogen, color stuffing, solidifying agent, catalyzer, auxiliary agent is formed, in the described coating solids constituent, each component solid proportion is: the nano antimony tin oxide slurry accounts for 0.5%~2%, filmogen accounts for 10%~30%, solidifying agent accounts for 12%~30%, color stuffing accounts for 20%~60%, catalyzer accounts for 0.1%~3%, and auxiliary agent accounts for 0.3%~3%, more than all be weight percentage, wherein the nano antimony tin oxide slurry is the nano antimony tin oxide dispersion slurry for preparing in the step 2, its solid part is 10%~15%, and filmogen is a urethane resin, the solidifying agent polyisocyanates.
2, a kind of preparation method who contains the automobile finish coating of nanometer heat insulation material according to claim 1 is characterized in that: general prescription and the technology that adopts is in step 1 and the step 2:
In the step 1: the Sb/Sn ratio in certain 7% takes by weighing a certain amount of SnCl 45H 2O and SbCl 3, use an amount of anhydrous alcohol solution, treat to dissolve fully the back and mix as for heated and stirred in the there-necked flask about 80 ℃ to temperature, backflow 5h, and feed ammonia and impel reaction to carry out to the direction that generates alkoxide.The feeding amount of ammonia is no longer to produce NH 4Till the white cigarette of Cl.After reaction was finished, cooling ended room temperature, the centrifugal precipitation of removing, get supernatant liquor and make the alkoxide solution of 0.1mol/l, add 1% tensio-active agent, then heating, splash into concentration and be 8% ammonia soln and adjust the pH value hydrolysis reaction that is hydrolyzed, make light yellow tin-antiomony oxide presoma gelatinous precipitate.Ageing after reaction is finished, distilled water wash are to there not being Cl -, in 60 ℃ of dryings, again through 600 ℃ of calcinings, after the powder aftertreatment gets light blue nano antimony tin oxide powder;
In the step 2: the preparation of nano antimony tin oxide slurry
At first dehydrated alcohol and dispersion agent uniform mixing, be divided into 10% by solid then and take by weighing the adding of nano antimony tin oxide powder wherein, under certain rotating speed, stir, add pH value conditioning agent regulation system to pH7, adopt high speed dispersor to disperse 2h at last with 5000rpm speed, disperse to make the nano antimony tin oxide dispersion behind the 2h with ball mill again, wherein the nano antimony tin oxide powder is the prepared nano-powder of step 1, and its particle diameter is less than 100nm.
3, a kind of preparation method who contains the automobile finish coating of nanometer heat insulation material according to claim 1 is characterized in that: the concrete prescription and the technology of the preparation of the automobile finish of nanometer heat insulation material are in the step 3:
With white colored paint is example, and prescription sees Table 1
Table 1
Material name Consumption (%) Nano antimony tin oxide slurry (solids constituent 10%) 1.0 Filmogen 25.7 Color stuffing 55.1 Solidifying agent 18.4 Catalyzer 0.3 Auxiliary agent 0.5
It is 15 μ m that filmogen in the table 1 is ground to fineness with color stuffing, part of auxiliary, adding the nano antimony tin oxide slurry is uniformly dispersed, adding solidifying agent, catalyzer, residue auxiliary agent stir filtration, this coating solid is divided into 65 ± 2%, wherein organic solvent content is 5%, can prepare the automobile white finish paint of finishing nanometer heat insulation material;
With red colored paint is example, and prescription sees Table 3
Table 3
Material name Consumption (%) Nano antimony tin oxide slurry (solids constituent 15%) 0.8 Filmogen 30.5 Color stuffing 47.2 Solidifying agent 20.6 Catalyzer 0.3 Auxiliary agent 0.6
It is 15 μ m that filmogen in the table 3 is ground to fineness with color stuffing, part of auxiliary, adding the tin-antiomony oxide slurry is uniformly dispersed, add solidifying agent, catalyzer, residue auxiliary agent and water and stir filtration, this coating solid is divided into 58 ± 2%, wherein organic solvent content is 9%, can prepare the red finish paint of the automobile of finishing nanometer heat insulation material;
Selecting for use of filmogen in table 1 and the table 3, color stuffing, solidifying agent, catalyzer, auxiliary agent do not have special requirement, the same the getting final product of filmogen, color stuffing, solidifying agent, catalyzer, auxiliary agent of being adopted with the general-utility car finish paint.
CN200810026858A 2008-03-19 2008-03-19 Method for preparing automobile finish made of nanometer heat insulation material Pending CN101538443A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101760110A (en) * 2010-02-11 2010-06-30 南京海泰纳米材料有限公司 Ultraviolet curing nano transparent heat-insulation composite coating
CN102260426A (en) * 2010-05-28 2011-11-30 岱棱科技股份有限公司 Anti-ultraviolet, anti-infrared coating and preparation method thereof
CN102408760A (en) * 2011-09-28 2012-04-11 山东科技大学 A kind of thermal insulation coating and preparation method thereof
CN103013314A (en) * 2012-11-28 2013-04-03 大连裕祥科技集团有限公司 Nano waterborne automotive coating and preparation method thereof
CN103102083A (en) * 2013-02-26 2013-05-15 杭州电子科技大学 Preparation method of nano antimony tin oxide transparent insulation film
CN103374291A (en) * 2012-04-20 2013-10-30 常州市同丰涂料有限公司 High-gloss super wear-resisting automobile topcoat
CN105925018A (en) * 2016-05-13 2016-09-07 上海纳米技术及应用国家工程研究中心有限公司 Method for preparing nanoscale graphene doped tin antimony oxide thermal insulation dispersion liquid

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101760110A (en) * 2010-02-11 2010-06-30 南京海泰纳米材料有限公司 Ultraviolet curing nano transparent heat-insulation composite coating
CN102260426A (en) * 2010-05-28 2011-11-30 岱棱科技股份有限公司 Anti-ultraviolet, anti-infrared coating and preparation method thereof
CN102408760A (en) * 2011-09-28 2012-04-11 山东科技大学 A kind of thermal insulation coating and preparation method thereof
CN103374291A (en) * 2012-04-20 2013-10-30 常州市同丰涂料有限公司 High-gloss super wear-resisting automobile topcoat
CN103013314A (en) * 2012-11-28 2013-04-03 大连裕祥科技集团有限公司 Nano waterborne automotive coating and preparation method thereof
CN103013314B (en) * 2012-11-28 2014-11-19 大连裕祥科技集团有限公司 Nano waterborne automotive coating and preparation method thereof
CN103102083A (en) * 2013-02-26 2013-05-15 杭州电子科技大学 Preparation method of nano antimony tin oxide transparent insulation film
CN105925018A (en) * 2016-05-13 2016-09-07 上海纳米技术及应用国家工程研究中心有限公司 Method for preparing nanoscale graphene doped tin antimony oxide thermal insulation dispersion liquid

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