CN101885943B - Nano-glass heat insulation paint and preparation method thereof - Google Patents

Nano-glass heat insulation paint and preparation method thereof Download PDF

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Publication number
CN101885943B
CN101885943B CN 201010237787 CN201010237787A CN101885943B CN 101885943 B CN101885943 B CN 101885943B CN 201010237787 CN201010237787 CN 201010237787 CN 201010237787 A CN201010237787 A CN 201010237787A CN 101885943 B CN101885943 B CN 101885943B
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component
agent
nano
polyvalent alcohol
heat insulation
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CN 201010237787
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Chinese (zh)
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CN101885943A (en
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郭祥恩
李晓慧
赵雅文
刘东华
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富思特制漆(北京)有限公司
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Abstract

The invention discloses a nano-glass heat insulation paint and a preparation method thereof, belonging to the field of paint. The paint comprises component A and component B, wherein the polyalcohol component A is formed by mixing waterborne polyurethane and nano antimony tin oxide slurry according to the mass ratio of 4: 1-1: 1; curing agent is isocyanate curing agent; the mass ratio between the component A and the component B is 10: 1; in the polyalcohol component A, the nano antimony tin oxide slurry is prepared by taking mixture of nano antimony tin oxide, water and absolute ethyl alcohol (mixing according to the volume ratio of 1: 1), and polymer anion dispersing agent as raw materials, and has the solid content of 20%; and the nano-glass heat insulation paint is prepared by taking the waterborne polyurethane, the nano antimony tin oxide slurry, the water, adhesive force accelerating agent, wetting agent, flatting agent, thickening agent, defoaming agent and the isocyanate curing agent as raw materials. The invention has the advantages of simple paint preparation, low cost, good heat insulation property, being environment-friendly and safe, and the like.

Description

Nano-glass heat insulation paint and preparation method thereof

Technical field

The present invention relates to a kind of coating, particularly relate to a kind of nano-glass heat insulation paint that is used for building energy conservation and preparation method thereof.

Background technology

Nano-glass heat insulation paint be a kind of use at functional trade sales coating on glass, direct brushing is at glass surface, forms thin film, has the infrared rays of obstruct and ultraviolet function, the transmittance of visible light is higher simultaneously.This kind coating is in Japan being popularized comprehensively and is being promoted at present at first in day the present invention, and on behalf of brand, it be good auspicious good insulating mold coating of transparent glass.At home, this several years glass heat-insulating coatings also grow up rapidly, at present the domestic insulating mold coating that has had some manufacturer production to be used for glass.

Glass heat-insulating coating divides two kinds of water-based and oiliness, and listing is the oiliness glass heat-insulating coating at first, and this kind coating is because its distinctive thermal and insulating performance has just occupied certain market after the listing.The aqueous glass insulating mold coating of research had significant meaning to environmental protection when possessing the heat insulating characteristic in recent years; Compare with the oiliness insulating mold coating; Obviously reduced the amount of organic solvent discharging in air; Therefore be about to become a kind of novel building energy conservation heat insulation insulation product, and be widely used.

The water nano heatretaining insulating mold coating produced from glass is the liquid of light blue nontoxic, non-stimulated, acid and alkali-resistance, be with metal oxide nano-material as thermal insulating filling, adopt advanced organic inorganic hybridization technology to be prepared from; Preparation technology is simple; Easy construction, at normal temperatures, this coating 20min gets final product film forming, surface drying; 5~7 days left and right sides completely solidified; At the light blue film of glass surface formation one deck 8~10um, this film can effectively intercept infrared rays and ultraviolet ray, and visible light is had higher transmittance after the film forming.

The water nano glass heat-insulating coating has following characteristics: (1) as solvent, VOC content is very low with water, does not contain aromatic compounds, and formaldehyde and heavy metal content are low, and safety, environmental protection in the use can not cause destruction to ecology; (2) viscosity is lower, when showering or the construction of employing additive method, can rely on the gravity of coating and leveling characteristics to obtain thin uniform coating; (3) have excellent in water resistance and resistance to marring, the hardness of filming can reach 4H; 4, the shock-resistance of filming is better, and has certain elasticity, and SF is higher.

But existing aqueous glass heat insulation paint is because resin and nano-metal-oxide manufacturer are different, reasons such as unstable product quality, therefore, have that effect of heat insulation is general, unstable product quality, in shortcomings such as glass surface sticking power are bad.

Summary of the invention

The embodiment of the invention provides a kind of nano-glass heat insulation paint and preparation method thereof; It is a kind of water nano glass heat-insulating coating; Can solve the bad shortcoming of effect of heat insulation of existing aqueous glass heat insulation paint; Realized constant product quality, and improved the sticking power of nano-glass heat insulation paint at glass surface.

Technical solution problem of the present invention realizes through following technical proposals:

The embodiment of the invention provides a kind of glass heat-insulating coating, and this thermal insulating coating comprises:

Polyvalent alcohol A component and two components of solidifying agent B component are processed this thermal insulating coating after said polyvalent alcohol A component and the mixed of solidifying agent B component by mass ratio 10:1;

Wherein, Said polyvalent alcohol A component is after disperseing by the mixed of mass ratio 1:4,2:4,3:4 or 4:4 with nano antimony tin oxide slurry and aqueous polyurethane; Add the auxiliary agent that accounts for polyvalent alcohol A component and solidifying agent B component total mass 1.7~15%; Under the rotating speed of 400r/min~450r/min, disperseed 60 minutes the polyvalent alcohol A component that makes; Wherein, auxiliary agent comprises: adhesion promoter, wetting agent, flow agent, skimmer and thickening material;

The used nano antimony tin oxide slurry of said polyvalent alcohol A component is with nano antimony tin oxide, the water that mix to form of 1:1 and mixture, the polymer anion dispersion agent of absolute ethyl alcohol are raw material by volume; With mixture, the polymer anion dispersion agent of nano antimony tin oxide, water and absolute ethyl alcohol is the mixed formation mixed system of 1:4:0.15 by mass ratio; The pH value of regulating mixed system is 11; Be to disperse 3 hours under the condition of 6000r/min at rotating speed; Use power to carry out ultra-sonic dispersion after 10 minutes as the ultra-sonic generator of 1000W, the solid content that makes is 20% water nano tin-antiomony oxide slurry;

Said solidifying agent B component adopts the isocyanates solidifying agent.

The embodiment of the invention also provides a kind of preparation method of nano-glass heat insulation paint, comprising:

Preparation polyvalent alcohol A component:

The used nano antimony tin oxide slurry of preparation polyvalent alcohol A component:

The mixture, the polymer anion dispersion agent that form after 1:1 mixes by volume with nano antimony tin oxide, water and absolute ethyl alcohol are raw material;

With mixture, the polymer anion dispersion agent of said nano antimony tin oxide, water and absolute ethyl alcohol is the mixed formation mixed system of 1:4:0.15 by mass ratio; The pH value of regulating mixed system is 11; Be to disperse 3 hours under the condition of 6000r/min at rotating speed; Carry out ultra-sonic dispersion after 10 minutes with ultra-sonic generator, make solid content and be 20% water nano tin-antiomony oxide slurry;

Preparation polyvalent alcohol A component:

With aqueous polyurethane, auxiliary agent and the above-mentioned nano antimony tin oxide slurry that makes is raw material, and wherein, auxiliary agent comprises: adhesion promoter, wetting agent, flow agent, skimmer and thickening material;

After the mixed that nano antimony tin oxide slurry and aqueous polyurethane are pressed mass ratio 1:4,2:4,3:4 or 4:4 is disperseed; Add adhesion promoter, wetting agent, flow agent, skimmer and thickening material in the auxiliary agent again; Under the rotating speed of 400r/min~450r/min, disperseed 60 minutes; Make polyvalent alcohol A component, polyvalent alcohol A component is placed after 12 hours and be the mixed of 10:1 as solidifying agent B component by mass ratio at least, disperse to make nano-glass heat insulation paint after 15 minutes.

Technical scheme through the invention described above embodiment provides can be found out; The nano-glass heat insulation paint of the embodiment of the invention adopts polyvalent alcohol A component and solidifying agent B component to mix; Wherein, polyvalent alcohol A component adds auxiliary agent after by nano antimony tin oxide slurry and aqueous polyurethane blending dispersion and processes.Owing in as the polyvalent alcohol A component of glass varnish, add nano level MOX (tin-antiomony oxide); This MOX can be good at absorbing and reflects infrared light, intercepts the most of thermal radiation from sunshine and heating of house facility and human body self, and a certain amount of ultraviolet ray of maskable; And has higher visible light transmissivity; Make this nano-glass heat insulation paint can be widely used in the on glass of automobile and all kinds of buildingss, cost is lower, but widespread use.The preparation method of this thermal insulating coating is simple, easy construction, and cost is low, has advantages such as economy, quick, environmental protection, safety.

Embodiment

Below in conjunction with specific embodiment the present invention is described further.

Embodiment one

Present embodiment provides a kind of nano-glass heat insulation paint, can brush in film forming on glass, plays trap heat and ultraviolet function, and this thermal insulating coating comprises: polyvalent alcohol A component and solidifying agent B component;

Wherein, Polyvalent alcohol A component is with after nano antimony tin oxide slurry and the mixed of aqueous polyurethane by mass ratio 3:4; After disperseing 30min under the rotating speed of 800r/min; Add the auxiliary agent that accounts for polyvalent alcohol A component and solidifying agent B component total mass 1.7~15%, under the rotating speed of 400r/min~450r/min, disperseed 60 minutes the polyvalent alcohol A component that makes; Wherein, auxiliary agent comprises: adhesion promoter, wetting agent, flow agent, skimmer and thickening material;

Used nano antimony tin oxide slurry is with nano antimony tin oxide, the water that mix to form of 1:1 and mixture, the polymer anion dispersion agent of absolute ethyl alcohol are raw material by volume in the said polyvalent alcohol A component; With mixture, the polymer anion dispersion agent of nano antimony tin oxide, water and absolute ethyl alcohol is the mixed formation mixed system of 1:4:0.15 by mass ratio; The pH value of regulating mixed system is 11; Be to disperse 3 hours under the condition of 6000r/min at rotating speed; Use power to carry out ultra-sonic dispersion after 10 minutes as the ultra-sonic generator of 1000W, the solid content that makes is 20% water nano tin-antiomony oxide slurry.

Solidifying agent B component adopts the isocyanates solidifying agent, as adopting bayhydur XP2655 etc.

With the polyvalent alcohol A component that makes place after at least 12 hours with isocyanates solidifying agent as solidifying agent B component be the mixed of 10:1 by mass ratio, disperse promptly to make nano-glass heat insulation paint after 15 minutes.

Wetting agent in the above-mentioned polyvalent alcohol A component in the used auxiliary agent adopts the nonionogenic tenside of Surfynol 104 series, and the wetting agent consumption is to account for 0.5~2% of polyvalent alcohol A component and solidifying agent B component total mass; Used flow agent adopts the no-solvent type modified polyorganosiloxane, and the flow agent consumption is to account for 0.1~3% of polyvalent alcohol A component and solidifying agent B component total mass; Used thickening material adopts the non-ionic polyurethane thickening material, and the thickening material consumption is to account for 0.1~2% of polyvalent alcohol A component and solidifying agent B component total mass; Used skimmer adopts polyether modified siloxane, and the skimmer consumption is to account for 0.5~3% of polyvalent alcohol A component and solidifying agent B component total mass; Adhesion promoter adopts silane coupling agent, and the consumption of adhesion promoter is 0.5~5% of the total mass of the polyvalent alcohol A component of forming nano-glass heat insulation paint and solidifying agent B component, the sticking power after adhesion promoter can guarantee to brush.

Below in conjunction with concrete preparation process, the preparation method of above-mentioned glass heat-insulating coating is described further:

Preparation nano antimony tin oxide slurry:

With nano antimony tin oxide (nano ATO), water+absolute ethyl alcohol (being that 1:1 mixes by volume), polymer anion dispersion agent is raw material; Mixture, polymer anion dispersion agent by nano antimony tin oxide (nano ATO), water+absolute ethyl alcohol (volume ratio is that 1:1 mixes) are the mixed formation mixed system of 1:4:0.15 by mass ratio; The pH value of using sodium hydroxide solution to regulate the mixed system that forms is 11; The rotating speed of going up with 6000r/min at high speed dispersor (JSF-400 that can adopt general Shen, Shanghai chemical machinery ltd to produce stirs sand milling and disperses multi-purpose machine) disperseed 3 hours; Use power to carry out ultra-sonic dispersion 10min then as the ultra-sonic generator (can adopt the ultra-sonic generator of the 1000W of East Sea research station of Chinese Academy of Sciences production) of 1000W; Make solid content and be 20% water nano ATO slurry and be the nano antimony tin oxide slurry, subsequent use; Can further detect the size distribution of water nano ATO slurry with particle size analyzer;

Preparation polyvalent alcohol A component:

Polyvalent alcohol A component: get a certain amount of aqueous polyurethane, add the above-mentioned nano ATO slurry that makes, aqueous polyurethane, nano ATO slurry are pressed mass ratio 4:3 and are mixed; Can add entry simultaneously aqueous polyurethane is diluted, then the mass ratio by aqueous polyurethane, nano ATO slurry, water is that 4:3:1 gets each raw material, under the rotating speed of 800r/min, disperses 30min; Add adhesion promoter, wetting agent, flow agent and skimmer; Under the rotating speed of 400r/min, disperseed 30 minutes, add thickening material again, under the rotating speed of 450r/min, disperseed 30 minutes; Make polyvalent alcohol A component, place;

Solidifying agent B component: adopt the isocyanates solidifying agent, as adopting bayhydur XP2655 etc.;

Is the mixed of 10:1 with polyvalent alcohol A component and solidifying agent B component by the mass ratio of polyvalent alcohol A component and solidifying agent B component, disperses 15min, after mixing, with promptly obtaining nano-glass heat insulation paint after the filtration of 200 purpose filter clothes.

Film with the showering on clean sheet glass of the above-mentioned nano-glass heat insulation paint that makes, the oven dry 3 hours of filming under 80 ℃ of conditions detects the face table 1 of seeing after to the correlated performance of film.

Outward appearance, pencil hardness (GB/T6739-2006), sticking power (GB/T9286-1998), water tolerance (GB/T1733-1993), the effect of heat insulation chamber of experimentizing to filming after the drying are detected, and detection method is foundation with the GB.

Embodiment two

Present embodiment provides a kind of nano-glass heat insulation paint, can brush in film forming on glass, plays trap heat and ultraviolet function, and this thermal insulating coating comprises: polyvalent alcohol A component and solidifying agent B component;

What provide among each component and consumption and the embodiment one is basic identical; The ratio of different the is used aqueous polyurethane of polyvalent alcohol A component, nano ATO slurry is 4:2 by mass ratio; Can add entry simultaneously dilutes aqueous polyurethane; Then the mass ratio by aqueous polyurethane, nano ATO slurry, water is that 4:2:2 gets each raw material, and polyvalent alcohol A method for preparing ingredients thereof no longer repeats at this with above-mentioned embodiment one.

The preparation nano-glass heat insulation paint, after the method that the coating of gained is identical was filmed, correlated performance detected the face table 1 of seeing after to filming.

Embodiment three

Present embodiment provides a kind of nano-glass heat insulation paint, can brush in film forming on glass, plays trap heat and ultraviolet function, and this thermal insulating coating comprises: polyvalent alcohol A component and solidifying agent B component;

What provide among each component and consumption and the embodiment one is basic identical; The ratio of different the is used aqueous polyurethane of polyvalent alcohol A component, nano ATO slurry is 4:1 by mass ratio; Can add entry simultaneously dilutes aqueous polyurethane; Then the mass ratio by aqueous polyurethane, nano ATO slurry, water is that 4:1:3 gets each raw material, and polyvalent alcohol A method for preparing ingredients thereof no longer repeats at this with above-mentioned embodiment one.

The preparation nano-glass heat insulation paint, after the method that the coating of gained is identical was filmed, correlated performance detected the face table 1 of seeing after to filming.

Embodiment four

Present embodiment provides a kind of nano-glass heat insulation paint, can brush in film forming on glass, plays trap heat and ultraviolet function, and this thermal insulating coating comprises: polyvalent alcohol A component and solidifying agent B component;

What provide among each component and consumption and the embodiment one is basic identical, and the ratio of different the is used aqueous polyurethane of polyvalent alcohol A component, nano ATO slurry is 4:4 by mass ratio, and polyvalent alcohol A method for preparing ingredients thereof no longer repeats at this with above-mentioned embodiment one.

The preparation nano-glass heat insulation paint, after the method that the coating of gained is identical was filmed, correlated performance detected the face table 1 of seeing after to filming.

Table 1 embodiment one~embodiment four correlated performance detected result of filming

Data can be known from table, and when ATO slurry and urethane ratio were 1:1, film coated surface was smooth inadequately, and hardness of film and water-fast all descends to some extent, and this possibly not have complete cover glass surface to cause owing to filmogen.When the content of ATO slurry more after a little while, the effect of heat insulation of filming is general, is that 3:4 is best proportioning so can confirm ATO and aqueous polyurethane ratio.

The coating for preparing gained according to the proportioning raw materials of embodiment one carries out the detection of over-all properties, detected result such as following table 2.

Table 2 nano-glass heat insulation paint detected result

In sum; The nano-glass heat insulation paint of the embodiment of the invention adopts polyvalent alcohol A component and solidifying agent B component to mix, because polyvalent alcohol A component is by nano antimony tin oxide slurry and aqueous polyurethane blending dispersion, and various auxiliary agents such as adding wetting agent, flow agent, thickening material and skimmer are processed; And nano-glass heat insulation paint since in added nano level MOX (tin-antiomony oxide); This MOX can be good at absorbing and reflects infrared light, intercepts the most of thermal radiation from sunshine and heating of house facility and human body self, and a certain amount of ultraviolet ray of maskable; And has higher visible light transmissivity; Make this nano-glass heat insulation paint can be widely used in the on glass of automobile and all kinds of buildingss, cost is lower, but widespread use.The preparation method of this nano-glass heat insulation paint is simple, easy construction, and cost is low, has advantages such as economy, quick, environmental protection, safety.Can be widely used in glass of building door and window, glass curtain wall, vehicle glass etc.

The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.

Claims (9)

1. a nano-glass heat insulation paint is characterized in that, this thermal insulating coating is made up of polyvalent alcohol A component and two components of solidifying agent B component, processes this thermal insulating coating after said polyvalent alcohol A component and the mixed of solidifying agent B component by mass ratio 10:1;
Wherein, Said polyvalent alcohol A component is after disperseing by the mixed of mass ratio 1:4,2:4,3:4 or 4:4 with nano antimony tin oxide slurry and aqueous polyurethane; Add the auxiliary agent that accounts for polyvalent alcohol A component and solidifying agent B component total mass 1.7~15%; Under the rotating speed of 400r/min~450r/min, disperseed 60 minutes the polyvalent alcohol A component that makes; Wherein, auxiliary agent comprises: adhesion promoter, wetting agent, flow agent, skimmer and thickening material;
The used nano antimony tin oxide slurry of said polyvalent alcohol A component is with nano antimony tin oxide, the water that mix to form of 1:1 and mixture, the polymer anion dispersion agent of absolute ethyl alcohol are raw material by volume; With mixture, the polymer anion dispersion agent of nano antimony tin oxide, water and absolute ethyl alcohol is the mixed formation mixed system of 1:4:0.15 by mass ratio; The pH value of regulating mixed system is 11; Be to disperse 3 hours under the condition of 6000r/min at rotating speed; Use power to carry out ultra-sonic dispersion after 10 minutes as the ultra-sonic generator of 1000W, the solid content that makes is 20% water nano tin-antiomony oxide slurry;
Said solidifying agent B component adopts the isocyanates solidifying agent.
2. nano-glass heat insulation paint as claimed in claim 1 is characterized in that, the pH value of regulating mixed system in the used nano antimony tin oxide slurry of said polyvalent alcohol A component is 11 to be that the employing sodium hydroxide solution is as the pH regulator agent.
3. nano-glass heat insulation paint as claimed in claim 1; It is characterized in that; The wetting agent that adds in the said polyvalent alcohol A component in the auxiliary agent adopts nonionogenic tenside, and its structure is the alkyne diol structure, and its consumption is to account for 0.5~2% of polyvalent alcohol A component and solidifying agent B component total mass.
4. nano-glass heat insulation paint as claimed in claim 1 is characterized in that, the flow agent that adds in the said polyvalent alcohol A component in the auxiliary agent adopts the no-solvent type modified polyorganosiloxane, and its consumption is to account for 0.1~3% of polyvalent alcohol A component and solidifying agent B component total mass.
5. nano-glass heat insulation paint as claimed in claim 1 is characterized in that, the thickening material that adds in the said polyvalent alcohol A component in the auxiliary agent adopts the non-ionic polyurethane thickening material, and its consumption is to account for 0.1~2% of polyvalent alcohol A component and solidifying agent B component total mass;
The skimmer that adds in the said polyvalent alcohol A component in the auxiliary agent adopts polyether modified siloxane, and its consumption is to account for 0.5~3% of polyvalent alcohol A component and solidifying agent B component total mass.
6. nano-glass heat insulation paint as claimed in claim 1; It is characterized in that; The adhesion promoter that adds in the said polyvalent alcohol A component in the auxiliary agent adopts silane coupling agent, and the consumption of adhesion promoter is to account for 0.5~5% of polyvalent alcohol A component and solidifying agent B component total mass.
7. the preparation method of a nano-glass heat insulation paint is characterized in that, comprising:
Preparation polyvalent alcohol A component:
The used nano antimony tin oxide slurry of preparation polyvalent alcohol A component:
The mixture, the polymer anion dispersion agent that form after 1:1 mixes by volume with nano antimony tin oxide, water and absolute ethyl alcohol are raw material;
With mixture, the polymer anion dispersion agent of said nano antimony tin oxide, water and absolute ethyl alcohol is the mixed formation mixed system of 1:4:0.15 by mass ratio; The pH value of regulating mixed system is 11; Be to disperse 3 hours under the condition of 6000r/min at rotating speed; Carry out ultra-sonic dispersion after 10 minutes with ultra-sonic generator, make solid content and be 20% water nano tin-antiomony oxide slurry;
Preparation polyvalent alcohol A component:
With aqueous polyurethane, auxiliary agent and the above-mentioned nano antimony tin oxide slurry that makes is raw material, and wherein, auxiliary agent comprises: adhesion promoter, wetting agent, flow agent, skimmer and thickening material;
After the mixed that nano antimony tin oxide slurry and aqueous polyurethane are pressed mass ratio 1:4,2:4,3:4 or 4:4 is disperseed; Add adhesion promoter, wetting agent, flow agent, skimmer and thickening material in the auxiliary agent again; Under the rotating speed of 400r/min~450r/min, disperseed 60 minutes; Make polyvalent alcohol A component, polyvalent alcohol A component is placed after 12 hours and be the mixed of 10:1 as solidifying agent B component by mass ratio at least, disperse to make nano-glass heat insulation paint after 15 minutes;
Solidifying agent B component used in the said method is the isocyanates solidifying agent.
8. the preparation method of nano-glass heat insulation paint as claimed in claim 7 is characterized in that, the pH value of the adjusting mixed system in the said preparation nano antimony tin oxide slurry is 11, and the pH regulator agent of employing is a sodium hydroxide solution;
The said power that uses ultrasonic generator to carry out ultrasonic generator used in the ultra-sonic dispersion 10 minutes is 1000W.
9. the preparation method of nano-glass heat insulation paint as claimed in claim 7 is characterized in that, in the said preparation polyvalent alcohol A composition step, the consumption of used adhesion promoter is to account for said 0.5~5% of polyvalent alcohol A component and the solidifying agent B component total mass that account for; Used wetting agent adopts nonionogenic tenside, and the wetting agent consumption is to account for 0.5~2% of polyvalent alcohol A component and solidifying agent B component total mass; Used flow agent adopts the no-solvent type modified polyorganosiloxane, and the flow agent consumption is to account for 0.1~3% of polyvalent alcohol A component and solidifying agent B component total mass; Used thickening material adopts the non-ionic polyurethane thickening material, and the thickening material consumption is to account for 0.1~2% of polyvalent alcohol A component and solidifying agent B component total mass; Used skimmer adopts polyether modified siloxane, and the skimmer consumption is to account for 0.5~3% of polyvalent alcohol A component and solidifying agent B component total mass.
CN 201010237787 2010-07-23 2010-07-23 Nano-glass heat insulation paint and preparation method thereof CN101885943B (en)

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CN105838218A (en) * 2016-04-27 2016-08-10 安徽荣程玻璃制品有限公司 Antibacterial transparent heat-insulation nanometer glass paint and preparing method thereof
CN106772849B (en) * 2016-12-14 2020-12-29 江苏俊知光电通信有限公司 Micro optical cable, preparation method thereof and outer sheath material of micro optical cable

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