CN101914329B - Nano multifunctional outer wall heat preservation coating - Google Patents

Nano multifunctional outer wall heat preservation coating Download PDF

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Publication number
CN101914329B
CN101914329B CN 201010280174 CN201010280174A CN101914329B CN 101914329 B CN101914329 B CN 101914329B CN 201010280174 CN201010280174 CN 201010280174 CN 201010280174 A CN201010280174 A CN 201010280174A CN 101914329 B CN101914329 B CN 101914329B
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China
Prior art keywords
nano
heat preservation
percent
coating
stirring
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CN 201010280174
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Chinese (zh)
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CN101914329A (en
Inventor
张千峰
陈翔
尹万云
裴立宅
陈均
陶新秀
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Anhui University of Technology AHUT
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Anhui University of Technology AHUT
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Abstract

The invention provides a nano multifunctional outer wall heat preservation coating. The coating consists of the following components in percentage by mass: 10 to 20 percent of nano aluminum silicate, 5 to 15 percent of calcium silicate nanowires, 10 to 20 percent of nano calcium carbonate, 15 to 30 percent of vinyl acetate/acrylic emulsion or styrene-acrylate emulsion, 20 to 40 percent of water, 4 to 10 percent of nano titanium dioxide, 0.1 to 1 percent of film coalescing aid, 0.1 to 2 percent of antifoaming agent, 0.1 to 0.5 percent of wetting dispersant, 0.5 to 1 percent of anti-freezing agent and 0.1 to 2 percent of flatting agent. A preparation method for the coating comprises the following steps of: adding the water, the nano aluminum silicate, the calcium silicate nanowires, the nano calcium carbonate, the wetting dispersant and half of the antifoaming agent with low-speed stirring, and stirring for 1 to 3 hours at a high speed; adding other inorganic nano-powder with stirring; stirring the mixture on a multifunctional dispersion machine at the high speed for 1 to 3 hours; dropwise adding an emulsion slowly at a low stirring speed; adding residual antifoaming agent, the film coalescing aid, the anti-freezing agent and the flatting agent and stirring for 3 to 5 hours at the low speed; and finally canning to obtain a finished product of the coating. The outer wall heat preservation coating of the invention has the characteristics of high heat preservation and thermal insulation properties, strong adhesive force, high washability and anti-bacterial self-cleaning property, non-toxicity and odorless.

Description

A kind of nano multifunctional outer wall heat preservation coating
Technical field:
The invention belongs to the used heat-insulating heat-preserving material technical field of buildings, be specifically related to a kind of nano multifunctional outer wall heat preservation coating.
Background technology:
Heat insulating coatings is the new function coating that development in recent years is got up, the surface of using it for buildings can reduce its internal temperature, also can make the internal heat of buildings be difficult for scattering and disappearing fast, exterior wall or roof at buildings are coated with the effectively variation of watch-keeping cubicle internal and external temperature of shoe one layer of heat preservation coating, play the effect of heat insulating.
Existing exterior coating, main manifestations are that heat insulating effect is not good, resistance of aging is poor, easy efflorescence, easy to change, poor adhesive force, not only affect the outward appearance of buildings, and affect the heat preservation and energy conservation effects of buildings, so caused people's attention.So improve the over-all properties of building external paint, especially improving thermal and insulating performance is energy-conservation key.At present the investigator mainly from the performance that improves emulsion, filler, auxiliary agent and mutually disperse, stable aspect improves the performance of exterior coating.Add functional nano-component, also the someone attempts.Such as patent CN03118029.9 take nano titanium oxide, nano zine oxide, nano silicon, sericite, kaolin as the main function component, prepared multifunctional exterior wall coating, the resistance of aging, washability ability of coating, the multiple performance such as antibiotic have been improved, but the insulation component that does not add low thermal conductivity, so the heat insulating characteristic of gained coating has much room for improvement, the production process step is more simultaneously, and technique is complicated.
Summary of the invention:
The present invention is directed to problems of the prior art, a kind of nano multifunctional outer wall heat preservation coating is provided, remedied that the heat insulation effect that exists in traditional coating for wall surface is not good, water-absorbent is large, antibiotic weathering resistance problem, easily wear out, cause easily the phenomenons such as the product later strength is low, it is inflammable simultaneously to have remedied again polyphenylene granule heat-insulating coating, the defectives such as the poor high temperature generation obnoxious flavour of fire line and Nai Hou are low, and bounce-back property is large.In addition, coating moulding of the present invention is firm, cohesive force is strong, the preparation method is simple, easy construction, effective reduction of erection time, and be not subjected to the restriction of warmed body geometrical shape.
The mass percent of a kind of nano multifunctional outer wall heat preservation coating provided by the present invention is composed as follows:
Nanometer pure aluminium silicate 10-20%, calcium silicate nanowire 5-15%, nano-calcium carbonate 10-20%, acrylate and vinyl acetate emulsion or benzene emulsion 15-30%, water 20-40%, nanometer titanium dioxide 4-10%, film coalescence aid 0.1-1%, defoamer 0.1-2%, wetting dispersing agent 0.1-0.5%, frostproofer 0.5-1%, flow agent 0.1-2%.
Inorganic nanometer powder of the present invention: the size of nanometer pure aluminium silicate, nano-calcium carbonate, Nanometer Titanium Dioxide powder particles is lower than 100 nanometers, and the diameter of inorganic nanometer powder calcium silicate nanowire is lower than 100 nanometers.
The solid content of acrylate and vinyl acetate emulsion of the present invention or benzene emulsion is greater than 40%, less than 60%, minimum film-forming temperature 1-10 ℃.
Wetting dispersing agent of the present invention is 10% sodium hexametaphosphate solution.
Film coalescence aid of the present invention is 2,2,4-trimethylammonium-1,3 pentanediol only son acid esters.
Frostproofer of the present invention is ethylene glycol.
Defoamer of the present invention is tributyl phosphate.
Flow agent of the present invention is urethane.
The preparation method of nano multifunctional outer wall heat preservation coating provided by the present invention is as follows:
Under stirring at low speed first with water, nanometer pure aluminium silicate, calcium silicate nanowire, nano-calcium carbonate, wetting dispersing agent, half defoamer high-speed stirring 1-3 hour, make it abundant dispersion, under agitation add other inorganic nanometer powders, on multi-functional dispersion machine high-speed stirring 1-3 hour, by high speed shear it is uniformly dispersed.Then slowly drip emulsion under low stirring velocity, added subsequently remaining defoamer, film coalescence aid, frostproofer, flow agent stirring at low speed 3-5 hour, last tinning namely gets the coating finished product.
The present invention is by selecting rational function nano component and filler, take nanometer pure aluminium silicate, calcium silicate nanowire and nano-calcium carbonate as basic nano raw material, nano-component is carried out the optimizing components design, adopt multi-functional dispersion machine that nano-component is carried out long dispersion treatment, guarantee the abundant dispersion of nano-component.Except adding has the nanometer pure aluminium silicate, calcium silicate nanowire, nano-calcium carbonate of better heat preservation and insulation, also design has added the nano-components such as nanometer titanium dioxide with antibiosis and self-cleaning functions, the deficiency of having avoided one-component to cause has improved the over-all propertieies such as heat insulating characteristic, abrasion resistance and self-cleaning antibacterial of coating.Preparation process of the present invention is simple, raw materials used all to be the nano raw material of commonly using, having produced in batches, raw material and preparation process environmentally safe, the developing direction that meets the modern industry of environmental requirement, can realize the batch preparation of nano multifunctional outer wall heat preservation coating, be a kind of multifunction green heat preservation environment protection type coating.
Embodiment:
Embodiment 1: the mass percent of this kind nano multifunctional outer wall heat preservation coating is composed as follows:
Wetting dispersing agent 0.5%
Frostproofer 1%
Flow agent 0.5%
The preparation method of the nano multifunctional outer wall heat preservation coating that present embodiment provides is as follows:
Under stirring at low speed first with water, nanometer pure aluminium silicate, calcium silicate nanowire, nano-calcium carbonate, wetting dispersing agent, half defoamer high-speed stirring 1 hour, under agitation add other inorganic nanometer powders, high-speed stirring is 1 hour on multi-functional dispersion machine, then under low stirring velocity, slowly drip emulsion, added subsequently remaining defoamer, film coalescence aid, frostproofer, flow agent stirring at low speed 3 hours, last tinning namely gets the coating finished product.
Embodiment 2: the mass percent of this kind nano multifunctional outer wall heat preservation coating is composed as follows:
Nanometer pure aluminium silicate 10%
Calcium silicate nanowire 10%
Nano-calcium carbonate 20%
Benzene emulsion 25%
Nanometer titanium dioxide 6%
Water 25%
Film coalescence aid 0.5%
Defoamer 1%
Wetting dispersing agent 1%
Frostproofer 0.5%
Flow agent 1%
The preparation method of the nano multifunctional outer wall heat preservation coating that present embodiment provides is as follows:
Under stirring at low speed first with water, nanometer pure aluminium silicate, calcium silicate nanowire, nano-calcium carbonate, wetting dispersing agent, half defoamer high-speed stirring 1 hour, under agitation add other inorganic nanometer powders, high-speed stirring is 2 hours on multi-functional dispersion machine, then under low stirring velocity, slowly drip emulsion, added subsequently remaining defoamer, film coalescence aid, frostproofer, flow agent stirring at low speed 4 hours, last tinning namely gets the coating finished product.
Embodiment 3: the mass percent of this kind nano multifunctional outer wall heat preservation coating is composed as follows:
Nanometer pure aluminium silicate 15%
Calcium silicate nanowire 5%
Nano-calcium carbonate 15%
Acrylate and vinyl acetate emulsion 25%
Nanometer titanium dioxide 8%
Water 28%
Film coalescence aid 0.5%
Defoamer 1%
Wetting dispersing agent 1%
Frostproofer 1%
Flow agent 0.5%
The preparation method of the nano multifunctional outer wall heat preservation coating that present embodiment provides is as follows:
Under stirring at low speed first with water, nanometer pure aluminium silicate, calcium silicate nanowire, nano-calcium carbonate, wetting dispersing agent, half defoamer high-speed stirring 2 hours, under agitation add other inorganic nanometer powders, high-speed stirring is 3 hours on multi-functional dispersion machine, then under low stirring velocity, slowly drip emulsion, added subsequently remaining defoamer, film coalescence aid, frostproofer, flow agent stirring at low speed 4 hours, last tinning namely gets the coating finished product.
Embodiment 4: the mass percent of this kind nano multifunctional outer wall heat preservation coating is composed as follows:
Nanometer pure aluminium silicate 20%
Calcium silicate nanowire 10%
Nano-calcium carbonate 15%
Benzene emulsion 20%
Nanometer titanium dioxide 4%
Water 27%
Film coalescence aid 0.5%
Defoamer 1%
Wetting dispersing agent 1%
Frostproofer 1%
Flow agent 0.5%
The preparation method of the nano multifunctional outer wall heat preservation coating that present embodiment provides is as follows:
Under stirring at low speed first with water, nanometer pure aluminium silicate, calcium silicate nanowire, nano-calcium carbonate, wetting dispersing agent, half defoamer high-speed stirring 3 hours, under agitation add other inorganic nanometer powders, high-speed stirring is 3 hours on multi-functional dispersion machine, then under low stirring velocity, slowly drip emulsion, added subsequently remaining defoamer, film coalescence aid, frostproofer, flow agent stirring at low speed 5 hours, last tinning namely gets the coating finished product.

Claims (8)

1. nano multifunctional outer wall heat preservation coating, it is characterized in that: the mass percent of this nano multifunctional outer wall heat preservation coating is composed as follows: nanometer pure aluminium silicate 10-20%, calcium silicate nanowire 5-15%, nano-calcium carbonate 10-20%, acrylate and vinyl acetate emulsion or benzene emulsion 15-30%, water 20-40%, nanometer titanium dioxide 4-10%, film coalescence aid 0.1-1%, defoamer 0.1-2%, wetting dispersing agent 0.1-0.5%, frostproofer 0.5-1%, flow agent 0.1-2%.
2. a kind of nano multifunctional outer wall heat preservation coating according to claim 1, it is characterized in that: the size of described nanometer pure aluminium silicate, nano-calcium carbonate, Nanometer Titanium Dioxide powder particles is lower than 100 nanometers, and the diameter of described calcium silicate nanowire is lower than 100 nanometers.
3. a kind of nano multifunctional outer wall heat preservation coating according to claim 1 is characterized in that: the solid content of described acrylate and vinyl acetate emulsion or benzene emulsion is greater than 40%, less than 60%, minimum film-forming temperature 1-10 ℃.
4. a kind of nano multifunctional outer wall heat preservation coating according to claim 1, it is characterized in that: described wetting dispersing agent is 10% sodium hexametaphosphate solution.
5. a kind of nano multifunctional outer wall heat preservation coating according to claim 1, it is characterized in that: described film coalescence aid is 2,2,4-trimethylammonium-1,3 pentanediol only son acid esters.
6. a kind of nano multifunctional outer wall heat preservation coating according to claim 1, it is characterized in that: described frostproofer is ethylene glycol.
7. a kind of nano multifunctional outer wall heat preservation coating according to claim 1, it is characterized in that: described defoamer is tributyl phosphate.
8. a kind of nano multifunctional outer wall heat preservation coating according to claim 1, it is characterized in that: described flow agent is urethane.
CN 201010280174 2010-09-08 2010-09-08 Nano multifunctional outer wall heat preservation coating Expired - Fee Related CN101914329B (en)

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CN102850865A (en) * 2012-09-19 2013-01-02 河南省超贝工程设备有限公司 Environment-friendly rare-earth external wall thermal-insulation paint and preparation method thereof
CN103602164A (en) * 2013-11-14 2014-02-26 安徽淮化股份有限公司 Nano calcium carbonate composite coating
CN103725110A (en) * 2013-11-18 2014-04-16 安徽淮化股份有限公司 Nano calcium carbonate composite coating for external walls of buildings
CN103756466A (en) * 2013-12-31 2014-04-30 广西吉顺能源科技有限公司 Composite heat-insulation coating and preparation method thereof
CN104151978B (en) * 2014-08-26 2016-08-24 重庆三峡油漆股份有限公司 Aqueousance artificial granite coating
CN104250497A (en) * 2014-09-26 2014-12-31 无锡七点建材有限公司 Nano thermal insulation exterior wall paint and preparation method thereof
CN104327612B (en) * 2014-10-13 2016-08-24 沈思维 A kind of exterior wall heat-insulating paint and preparation method thereof
CN104610788B (en) * 2015-02-03 2016-08-24 安徽工业大学 A kind of strontium aluminate nanometer sheet composite coating
CN104610787B (en) * 2015-02-03 2016-08-17 安徽工业大学 A kind of aluminic acid neodymium nano wire Multifunctional composite coating
CN104974603A (en) * 2015-08-03 2015-10-14 苏州舒而适纺织新材料科技有限公司 External wall multicolor paint
CN108976929A (en) * 2018-08-28 2018-12-11 巢湖市兰天大诚门窗幕墙有限公司 The thermal insulation coatings of composite energy-saving door and window
CN113292893A (en) * 2021-04-28 2021-08-24 苏州百联节能科技股份有限公司 Heat-insulating energy-saving coating and preparation method thereof

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CN101798093A (en) * 2010-03-26 2010-08-11 安徽工业大学 Method for preparing calcium silicate nanowires in batches at low cost

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Application publication date: 20101215

Assignee: ANHUI QIANHE NEW MATERIAL TECHNOLOGY DEVELOPMENT CO., LTD.

Assignor: Anhui University of Technology

Contract record no.: 2015340000067

Denomination of invention: Nano multifunctional outer wall heat preservation coating

Granted publication date: 20130109

License type: Exclusive License

Record date: 20150518

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130109

Termination date: 20190908