CN108624208A - A kind of method that nano-titanium dioxide-nano antimony tin oxide prepares water transparent heat insulation paint - Google Patents

A kind of method that nano-titanium dioxide-nano antimony tin oxide prepares water transparent heat insulation paint Download PDF

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Publication number
CN108624208A
CN108624208A CN201810487092.9A CN201810487092A CN108624208A CN 108624208 A CN108624208 A CN 108624208A CN 201810487092 A CN201810487092 A CN 201810487092A CN 108624208 A CN108624208 A CN 108624208A
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Prior art keywords
nano
titanium dioxide
added
water
agent
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CN201810487092.9A
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张庆
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Wuhu Baoyi Amusement Equipment Co Ltd
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Wuhu Baoyi Amusement Equipment Co Ltd
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Priority to CN201810487092.9A priority Critical patent/CN108624208A/en
Publication of CN108624208A publication Critical patent/CN108624208A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of methods that nano-titanium dioxide nano antimony tin oxide prepares water transparent heat insulation paint, it is characterized in that, add deionized water into nano-particle tin-antiomony oxide, add composite dispersing agent under stirring at low speed, adjust pH, ball milling disperses, and filters off mill pearl and pours out slurry, obtains nano antimony tin oxide aqueous slurry；Nano-titanium dioxide powder is dry in vacuum drying oven, it is added in absolute ethyl alcohol, ultrasonic disperse, water bath with thermostatic control stirring adds silane coupling agent, and drying, the finely ground nano-titanium dioxide for obtaining surface and being modified are taken out after reaction；Into modified nano-titanium dioxide plus deionized water, dispersant, wetting agent, antifoaming agent, mechanical dispersion obtain pre-dispersed liquid, anti-settling agent, mechanical dispersion, ultrasonic disperse are added to obtain nanometer titanium dioxide water pulp；Gained nanometer water slurry, hollow glass micropearl, high speed dispersion is added to add silane coupling agent, thickening leveling agent stirring, add organic silicon defoamer to defoam, water transparent heat insulation paint is made in hydrotropism's polyurethane.

Description

A kind of nano-titanium dioxide-nano antimony tin oxide prepares water transparent heat insulation paint Method
Technical field
The present invention relates to paint fields, and in particular to a kind of nano-titanium dioxide-nano antimony tin oxide prepares aqueous transparent The method of insulating moulding coating.
Background technology
Nano antimony tin oxide（ATO）Be it is a kind of there is more highly selective function powder, it is and right to visible light transmittance height Infrared light but has preferable shielding properties.It is coated in glass surface, Jiang Nengqi using the ATO transparent heat insulating dopes prepared as filler To preferable light transmission heat-blocking action.For the present invention using nano antimony tin oxide as thermal insulating filling, aqueous polyurethane is film forming matter, is prepared Transparent heat insulating dope, and its translucency, heat-proof quality and physical property are studied.
Invention content
The invention mainly solves the technical problem of providing a kind of nano-titanium dioxide-nano antimony tin oxide prepare it is aqueous The method of bright insulating moulding coating has excellent transparent heat-insulated performance according to coating prepared by the technique.
A kind of method that nano-titanium dioxide-nano antimony tin oxide prepares water transparent heat insulation paint, which is characterized in that press Following steps carry out：
（1）The preparation of nano antimony tin oxide slurry：
Deionized water is added into 10-20 parts of nano-particle tin-antiomony oxides, composite dispersing agent is added under stirring at low speed, uses hydroxide It is 9-10 that sodium solution, which adjusts pH, and ball milling disperses 1-2h, filters off mill pearl and pours out slurry, it is the nano oxidized of 8-12% to obtain solid content Tin antimony aqueous slurry；
（2）The preparation of nano titania slurry：
1-2 parts of nano-titanium dioxide powders are dried into 10-12h in 120-125 DEG C of vacuum drying oven, are added in absolute ethyl alcohol, are surpassed Sound disperses 10-12min, is stirred in 80-82 DEG C of water bath with thermostatic control, and 0.1-0.2% silane coupling agent KH560 are added, and is taken after reacting 2-3h Go out drying, the finely ground nano-titanium dioxide for obtaining surface and being modified；
Deionized water is added into modified nano-titanium dioxide, 1-2% dispersants, 0.1-0.2% wetting agents, 0.1-0.2% is added to disappear Infusion, mechanical dispersion obtain pre-dispersed liquid, add 0.1-0.2% anti-settling agents, mechanical high-speed to disperse 25-30min, ultrasonic wave disperses 10- Nanometer titanium dioxide water pulp is made in 15min；
（3）The preparation of transparent heat insulating dope：
It is added into 70-80 parts of aqueous polyurethanes（1）Middle gained thermal insulating filling nano antimony tin oxide aqueous slurry,（2）Middle gained Material and 5-10 parts of hollow glass micropearls, are disperseed with high speed dispersor, and 0.1-0.2% silane coupling agents KH570, thickening stream is added 25-35min is stirred in flat agent, and the defoaming of 0.1-0.2% organic silicon defoamers is added, water transparent heat insulation paint is made.
Wherein, step（1）Middle composite dispersing agent is made of 0.1-0.2% polyacrylic acid sodium salts, 1-2% polyvinyl alcohol, ball milling Rotating speed is 1000-2000rpm.
Step（2）Middle mechanical high-speed dispersion rotating speed is 4500-5500rpm.
Step（3）Middle aqueous polyurethane solid content is 40-42%, rate of dispersion 2500-3500rpm.
The reaction mechanism of the present invention is as follows：
With composite dispersing agent polyacrylic acid sodium salt and polyvinyl alcohol ball milling dispersing nanoparticles tin-antiomony oxide (ATO), dissociate in water Polyvinyl alcohol molecule increase the steric hindrance operating distance between being adsorbed with the ATO particles of polyacrylic acid sodium salt, compound point Powder can enhance the stability of nano pulp；Surface modification is carried out to nano-titanium dioxide with silane coupling agent KH560, can be improved The dispersibility of titanium dioxide nanoparticle in water, dispersant can significantly improve the dispersibility of nano titania slurry, wetting Agent can improve the dispersibility of nano particle in water；Addition nano-titanium dioxide can effectively improve the heat-proof quality of coating；With Nano antimony tin oxide is thermal insulating filling, aqueous polyurethane is film forming matter, adds hollow glass micropearl and nano-titanium dioxide, system Standby transparent heat insulating dope, hollow glass micropearl can improve the heat-proof quality of coating.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Specific embodiment is closed, the present invention is further explained.
Embodiment
A kind of method that nano-titanium dioxide-nano antimony tin oxide prepares water transparent heat insulation paint, which is characterized in that press Following steps carry out：
（1）The preparation of nano antimony tin oxide slurry：
Deionized water is added into 10kg nano-particle tin-antiomony oxides, composite dispersing agent is added under stirring at low speed, uses sodium hydroxide It is 9-10 that solution, which adjusts pH, and ball milling disperses 2h, filters off mill pearl and pours out slurry, it is aqueous to obtain the nano antimony tin oxide that solid content is 8% Slurry；
（2）The preparation of nano titania slurry：
1kg nano-titanium dioxide powders are dried into 10h in 120-125 DEG C of vacuum drying oven, are added in absolute ethyl alcohol, ultrasonic disperse 12min is stirred in 80-82 DEG C of water bath with thermostatic control, and 0.1% silane coupling agent KH560 is added, and drying is taken out after reacting 2h, finely ground to obtain table The nano-titanium dioxide that face is modified；
Deionized water is added into modified nano-titanium dioxide, adds 1% dispersant, 0.1% wetting agent, 0.1% antifoaming agent, machinery Disperse to obtain pre-dispersed liquid, adds 0.1% anti-settling agent, mechanical high-speed to disperse 30min, ultrasonic wave disperses 15min, and nanometer titanium dioxide is made Titanium aqueous slurry；
（3）The preparation of transparent heat insulating dope：
It is added into 70kg aqueous polyurethanes（1）Middle gained thermal insulating filling nano antimony tin oxide aqueous slurry,（2）Middle resulting material And 5kg hollow glass micropearls, disperseed with high speed dispersor, 0.1% silane coupling agent KH570, thickening leveling agent stirring is added 35min is added the defoaming of 0.1% organic silicon defoamer, water transparent heat insulation paint is made.
Wherein, step（1）Middle composite dispersing agent is made of 0.1% polyacrylic acid sodium salt, 1% polyvinyl alcohol, and rotational speed of ball-mill is 2000rpm。
Step（2）Middle mechanical high-speed dispersion rotating speed is 5500rpm.
Step（3）Middle aqueous polyurethane solid content is 42%, rate of dispersion 2500rpm.

Claims (5)

1. a kind of method that nano-titanium dioxide-nano antimony tin oxide prepares water transparent heat insulation paint, which is characterized in that Xiang Na Add deionized water in rice corpuscles tin-antiomony oxide, add composite dispersing agent under stirring at low speed, pH, ball milling point are adjusted with sodium hydroxide solution It dissipates, filters off mill pearl and pour out slurry, obtain nano antimony tin oxide aqueous slurry；Nano-titanium dioxide powder is done in vacuum drying oven It is dry, it is added in absolute ethyl alcohol, ultrasonic disperse, water bath with thermostatic control stirring adds silane coupling agent, and drying is taken out after reaction, finely ground to obtain table The nano-titanium dioxide that face is modified；Add deionized water, dispersant, wetting agent, antifoaming agent, machinery into modified nano-titanium dioxide Disperse to obtain pre-dispersed liquid, anti-settling agent, mechanical dispersion, ultrasonic disperse is added to obtain nanometer titanium dioxide water pulp；Hydrotropism's polyurethane In plus gained nanometer water slurry, hollow glass micropearl, high speed dispersion, add silane coupling agent, thickening leveling agent stirring, added with machine Silicon defoaming agent defoams, and water transparent heat insulation paint is made.
2. a kind of nano-titanium dioxide-nano antimony tin oxide according to claim 1 prepares water transparent heat insulation paint Method, which is characterized in that carry out according to the following steps：
（1）The preparation of nano antimony tin oxide slurry：
Deionized water is added into 10-20 parts of nano-particle tin-antiomony oxides, composite dispersing agent is added under stirring at low speed, uses hydroxide It is 9-10 that sodium solution, which adjusts pH, and ball milling disperses 1-2h, filters off mill pearl and pours out slurry, it is the nano oxidized of 8-12% to obtain solid content Tin antimony aqueous slurry；
（2）The preparation of nano titania slurry：
1-2 parts of nano-titanium dioxide powders are dried into 10-12h in 120-125 DEG C of vacuum drying oven, are added in absolute ethyl alcohol, are surpassed Sound disperses 10-12min, is stirred in 80-82 DEG C of water bath with thermostatic control, and 0.1-0.2% silane coupling agent KH560 are added, and is taken after reacting 2-3h Go out drying, the finely ground nano-titanium dioxide for obtaining surface and being modified；
Deionized water is added into modified nano-titanium dioxide, 1-2% dispersants, 0.1-0.2% wetting agents, 0.1-0.2% is added to disappear Infusion, mechanical dispersion obtain pre-dispersed liquid, add 0.1-0.2% anti-settling agents, mechanical high-speed to disperse 25-30min, ultrasonic wave disperses 10- Nanometer titanium dioxide water pulp is made in 15min；
（3）The preparation of transparent heat insulating dope：
It is added into 70-80 parts of aqueous polyurethanes（1）Middle gained thermal insulating filling nano antimony tin oxide aqueous slurry,（2）Middle gained Material and 5-10 parts of hollow glass micropearls, are disperseed with high speed dispersor, and 0.1-0.2% silane coupling agents KH570, thickening stream is added 25-35min is stirred in flat agent, and the defoaming of 0.1-0.2% organic silicon defoamers is added, water transparent heat insulation paint is made.
3. a kind of nano-titanium dioxide-nano antimony tin oxide according to claim 2 prepares water transparent heat insulation paint Method, which is characterized in that step（1）Middle composite dispersing agent is made of 0.1-0.2% polyacrylic acid sodium salts, 1-2% polyvinyl alcohol, ball Mill rotating speed is 1000-2000rpm.
4. a kind of nano-titanium dioxide-nano antimony tin oxide according to claim 2 prepares water transparent heat insulation paint Method, which is characterized in that step（2）Middle mechanical high-speed dispersion rotating speed is 4500-5500rpm.
5. a kind of nano-titanium dioxide-nano antimony tin oxide according to claim 2 prepares water transparent heat insulation paint Method, which is characterized in that step（3）Middle aqueous polyurethane solid content is 40-42%, rate of dispersion 2500-3500rpm.
CN201810487092.9A 2018-05-21 2018-05-21 A kind of method that nano-titanium dioxide-nano antimony tin oxide prepares water transparent heat insulation paint Withdrawn CN108624208A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111849330A (en) * 2020-07-21 2020-10-30 江西省科学院应用化学研究所 Ultralow VOC aqueous polyurethaneNano ATO/Tio of ester/acrylic acid transparent building glass2Transparent heat-insulating coating
CN112694814A (en) * 2020-12-23 2021-04-23 深圳市深赛尔股份有限公司 Water-based paint for color steel plate and preparation method thereof
CN113527928A (en) * 2021-08-10 2021-10-22 珠海海虹新材料有限公司 Glass heat-insulating coating with high visible light transmittance and high infrared barrier rate
CN117777835A (en) * 2024-02-28 2024-03-29 上海沪正新材料有限公司 Polyurethane phase-change microcapsule transparent heat-insulating coating

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111849330A (en) * 2020-07-21 2020-10-30 江西省科学院应用化学研究所 Ultralow VOC aqueous polyurethaneNano ATO/Tio of ester/acrylic acid transparent building glass2Transparent heat-insulating coating
CN112694814A (en) * 2020-12-23 2021-04-23 深圳市深赛尔股份有限公司 Water-based paint for color steel plate and preparation method thereof
CN113527928A (en) * 2021-08-10 2021-10-22 珠海海虹新材料有限公司 Glass heat-insulating coating with high visible light transmittance and high infrared barrier rate
CN113527928B (en) * 2021-08-10 2022-03-18 珠海海虹新材料有限公司 Glass heat-insulating coating with high visible light transmittance and high infrared barrier rate
CN117777835A (en) * 2024-02-28 2024-03-29 上海沪正新材料有限公司 Polyurethane phase-change microcapsule transparent heat-insulating coating

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