CN108102482A - A kind of reflective heat-insulation paint and preparation method thereof - Google Patents
A kind of reflective heat-insulation paint and preparation method thereof Download PDFInfo
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- CN108102482A CN108102482A CN201711493990.7A CN201711493990A CN108102482A CN 108102482 A CN108102482 A CN 108102482A CN 201711493990 A CN201711493990 A CN 201711493990A CN 108102482 A CN108102482 A CN 108102482A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- 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
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- 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
- C08K2003/2258—Oxides; Hydroxides of metals of tungsten
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- 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
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention provides a kind of reflective heat-insulation paint and preparation method thereof, which is made of the component of following parts by weight：30~40 parts of aqueous acrylic emulsion, 15~20 parts of pure-acrylic emulsion, 10~12 parts of organosilicon acrylic resin, 5~6 parts of sucrose Polyester modified poly (methyl methacrylate), 3~4 parts of lithium metasilicate, 2~3 parts of nano tungsten trioxide, 2~3 parts of nanometer aluminium silicate, 2~3 parts of nano-titanium dioxide, 5~8 parts of dispersant, 0.3~0.5 part of levelling agent, 1~2 part of coalescents, 1~2 part of silane coupling agent, 20~25 parts of deionized water.The coating of the present invention has the excellent feature of environmental protection, workability and reflective insulation performance.
Description
Technical field
The present invention relates to technical field of coatings, particularly, are related to a kind of reflective heat-insulation paint and preparation method thereof.
Background technology
With human society and economic fast development, global energy growing tension, it is energy saving have become globalization if
Topic.In China, with the quickening and improvement of living standard of town and country construction paces, air-conditioning, heating installation amount are continuously increased, and are built
Energy consumption ratio constantly rises therewith.Therefore, building energy conservation has become the important component of energy-saving strategy, and building energy conservation
One of important step is exactly external wall and door and window, the heat-insulation and heat-preservation of glass curtain wall.
For current external wall decorative material present situation, governments at all levels of China have promulgated relevant regulations successively, advocate house,
Using building coating, multi-storey building and general industry building and public affairs in the fitting-out works such as industrial building, public building and structures
The building coating of 5 years suitable service life phases of the decoration of exterior wall built of building together or more, 10 years suitable service life phases of skyscraper or more
Building coating.
Reflection and heat insulation coating can effectively reflected solar radiation heat, have significant heat insulation, be a kind of standby in recent years
The building energy conservation means praised highly, moreover, reflective heat-insulation paint construction is simple, it is only necessary to which simple spraying, cost is far below inorganic
Heat-insulating heat-preserving material.Therefore it is a kind of very practicable energy-saving and emission-reduction means to reduce building energy consumption using reflection and heat insulation coating.
Also there is the coating of some reflecting sunlights currently on the market, but really there is the heat-insulated painting of good heat insulation simultaneously
Expect and few, because these coating are typically to play to make dependent on the additional material (such as glass microballoon) with reflective function
With it is difficult to obtain excellent heat insulation.
The content of the invention
Present invention aims at a kind of reflective heat-insulation paint and preparation method thereof is provided, to solve the not good enough skill of heat insulation
Art problem.
To achieve the above object, the present invention provides a kind of reflective heat-insulation paint, it is made of the component of following parts by weight
's：30~40 parts of aqueous acrylic emulsion, 15~20 parts of pure-acrylic emulsion, 10~12 parts of organosilicon acrylic resin, sucrose Polyester are modified poly- first
5~6 parts of base methyl acrylate, 3~4 parts of lithium metasilicate, 2~3 parts of nano tungsten trioxide, 2~3 parts of nanometer aluminium silicate, nano-silica
Change 2~3 parts of titanium, 5~8 parts of dispersant, 0.3~0.5 part of levelling agent, 1~2 part of coalescents, 1~2 part of silane coupling agent, go from
Sub- 20~25 parts of water.
Preferably, the pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.
Preferably, the dispersant is polycarboxylic acids ammonium salt dispersant.
Preferably, the levelling agent is dimethyl silicone polymer.
Preferably, the coalescents are butyl glycol ether.
Preferably, the silane coupling agent is appointing in modified amido silane coupling agent or epoxy silicones alkane coupling agent
It is a kind of.
The present invention also provides a kind of above-mentioned preparation methods of reflective heat-insulation paint, are as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, 50~60nm of median is made in high speed dispersion, grinding
The first slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio, 5~8 points of 500~750W microwave irradiations are added in
Clock is subsequently added into the levelling agent, coalescents and silane coupling agent of formula ratio, is dispersed with stirring, filter to get.
Preferably, in step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide for 30~
40 minutes.
Preferably, in step (1), 18000~21000r/min high speed dispersions 20~30 minutes.
Preferably, in step (1), grinding is using circular grinding, when milling time is 10~12 small.
Preferably, in step (2), stirring at low speed disperse be with 400~500r/min disperse 1~2 it is small when, moderate-speed mixer point
Dissipating is disperseed 20~30 minutes with 2000~3000r/min, high-speed stirred disperse be disperse 5 with 18000~21000r/min~
10 minutes.
Preferably, in step (3), being dispersed with stirring is disperseed 20~30 minutes with 2000~3000r/min.
Preferably, in step (3), the sucrose Polyester modified poly (methyl methacrylate) is to be prepared by the following method
It arrives：Sucrose Polyester and polymethyl methacrylate are put into reaction kettle together, cyclohexanone is added in, is heated to 90~100 DEG C,
Be stirred to react 1~2 it is small when to get.
It is further preferred that the mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1~1.2：5~
6。
The invention has the advantages that：
1st, the primary raw material of coating of the present invention includes aqueous acrylic emulsion, pure-acrylic emulsion and silicone acrylic emulsion, is a kind of water
Property coating, avoids the use of organic solvent, the feature of environmental protection is more preferable.It mutually tangles between strand after three's mixing, with single raw material
It compares, is more conducive to the good film of the whole property of the company of being formed, film forming ability is good, has excellent workability.
2nd, it is good to assign coating by adding nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide etc. by the present invention
Reflective insulation performance, nano tungsten trioxide, nanometer aluminium silicate and nano-titanium dioxide have Nano Particle, free electron density
It is moderate, its structural particularity can be efficiently used after compounding so that there is stronger obstructing capacity, effectively reflection, scattering is far and near
Infrared ray, ultraviolet light reduce the generation of heat transfer.And sucrose Polyester modified poly (methyl methacrylate) enhances the reflection of coating
Heat-proof quality, polymethyl methacrylate inherently has certain reflex to far and near infrared ray and ultraviolet light, in this hair
It is modified through sucrose Polyester in bright water-based system, more highly branched chain is formed, there is preferably shielding to far infrared and ultraviolet light
Effect, while hydrophobic performance is also enhanced, enhancing forms the water proofing property of film, strengthens heat-proof quality.
3rd, in the preparation, the nano materials such as nano tungsten trioxide, nanometer aluminium silicate and nano-titanium dioxide are first made one
Determine the first slurry of median, contribute to nano material homodisperse in coating system；By aqueous acrylic emulsion, pure
Acrylic emulsion and organosilicon acrylic resin are uniformly mixed, and the micropore that lithium metasilicate can promote coating to penetrate into coating surface is added dropwise, and are increased
The adhesive force of strong film, is then added dropwise the first slurry, remaining deionized water is added in after being dispersed with stirring, three be directed to stir
It mixes dispersion steps and improves stir speed (S.S.) successively, contribute to the progressively mixing of material and the entanglement of strand, ensure gained coating
Reflective insulation performance；Sucrose Polyester modified poly (methyl methacrylate) and levelling agent etc. are eventually adding, ensures the film forming of coating
Can, and further enhance the reflective insulation performance of coating.After sucrose Polyester modified poly (methyl methacrylate) is added in, there are one
The processing step of microwave irradiation can promote the molecular motion inside reaction mass, after subsequently levelling agent etc. is added in, realize more
Good mixing.
4th, the feeding method of nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide is controlled to be slowly added to while stirring
Charging time processed is 30~40 minutes, is conducive to improve the dispersion performance of the first slurry, and then contributes to the reflective insulation of coating
The raising of performance.
5th, sucrose Polyester modified poly (methyl methacrylate) is using cyclohexanone as solvent, utilizes sucrose Polyester and poly- methyl-prop
E pioic acid methyl ester directly heats stirring and obtains, and method is simple, and gained modified product effectively improves the reflective insulation performance of coating.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
The present invention is further detailed explanation below.
Specific embodiment
The embodiment of the present invention is described in detail below, but the present invention can be limited and covered according to claim
Multitude of different ways implement.
Embodiment 1：
A kind of reflective heat-insulation paint is made of the component of following parts by weight：30 parts of aqueous acrylic emulsion, pure third breast
15 parts of liquid, 10 parts of organosilicon acrylic resin, 5 parts of sucrose Polyester modified poly (methyl methacrylate), 3 parts of lithium metasilicate, nano tungsten trioxide 2
Part, 2 parts of nanometer aluminium silicate, 2 parts of nano-titanium dioxide, 5 parts of dispersant, 0.3 part of levelling agent, 1 part of coalescents, silane coupling agent
1 part, 20 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is modified amido silicon
Alkane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 50nm
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 500W microwave irradiations 5 minutes then add
Enter the levelling agent, coalescents and silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 25 minutes.
In step (1), 18000r/min high speed dispersions 20 minutes.
In step (1), grinding is using circular grinding, when milling time is 10 small.
In step (2), stirring at low speed disperse be with 400r/min disperse 1 it is small when, moderate-speed mixer disperses to be with 2000r/min
20 minutes scattered, high-speed stirred disperse to be disperseed 5 minutes with 18000r/min.
In step (3), being dispersed with stirring is disperseed 20 minutes with 2000r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 90 DEG C, it is small to be stirred to react 1
When to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1：5.
Embodiment 2：
A kind of reflective heat-insulation paint is made of the component of following parts by weight：40 parts of aqueous acrylic emulsion, pure third breast
20 parts of liquid, 12 parts of organosilicon acrylic resin, 6 parts of sucrose Polyester modified poly (methyl methacrylate), 4 parts of lithium metasilicate, nano tungsten trioxide 3
Part, 3 parts of nanometer aluminium silicate, 3 parts of nano-titanium dioxide, 8 parts of dispersant, 0.5 part of levelling agent, 2 parts of coalescents, silane coupling agent
2 parts, 25 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is organic for epoxy group
Silane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 60nm
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 750W microwave irradiations 8 minutes then add
Enter the levelling agent, coalescents and silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 45 minutes.
In step (1), 21000r/min high speed dispersions 30 minutes.
In step (1), grinding is using circular grinding, when milling time is 12 small.
In step (2), stirring at low speed disperse be with 500r/min disperse 2 it is small when, moderate-speed mixer disperses to be with 3000r/min
30 minutes scattered, high-speed stirred disperse to be disperseed 10 minutes with 21000r/min.
In step (3), being dispersed with stirring is disperseed 30 minutes with 3000r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 100 DEG C, it is small to be stirred to react 2
When to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1.2：6.
Embodiment 3：
A kind of reflective heat-insulation paint is made of the component of following parts by weight：30 parts of aqueous acrylic emulsion, pure third breast
20 parts of liquid, 10 parts of organosilicon acrylic resin, 6 parts of sucrose Polyester modified poly (methyl methacrylate), 3 parts of lithium metasilicate, nano tungsten trioxide 3
Part, 2 parts of nanometer aluminium silicate, 3 parts of nano-titanium dioxide, 5 parts of dispersant, 0.5 part of levelling agent, 1 part of coalescents, silane coupling agent
2 parts, 20 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is modified amido silicon
Alkane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 60nm
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 500W microwave irradiations 8 minutes then add
Enter the levelling agent, coalescents and silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 30 minutes.
In step (1), 21000r/min high speed dispersions 20 minutes.
In step (1), grinding is using circular grinding, when milling time is 12 small.
In step (2), stirring at low speed disperse be with 400r/min disperse 2 it is small when, moderate-speed mixer disperses to be with 2000r/min
30 minutes scattered, high-speed stirred disperse to be disperseed 10 minutes with 18000r/min.
In step (3), being dispersed with stirring is disperseed 30 minutes with 2000r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 90 DEG C, it is small to be stirred to react 2
When to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1：6.
Embodiment 4：
A kind of reflective heat-insulation paint is made of the component of following parts by weight：40 parts of aqueous acrylic emulsion, pure third breast
15 parts of liquid, 12 parts of organosilicon acrylic resin, 5 parts of sucrose Polyester modified poly (methyl methacrylate), 4 parts of lithium metasilicate, nano tungsten trioxide 2
Part, 3 parts of nanometer aluminium silicate, 2 parts of nano-titanium dioxide, 8 parts of dispersant, 0.3 part of levelling agent, 2 parts of coalescents, silane coupling agent
1 part, 25 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is organic for epoxy group
Silane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 50nm
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 750W microwave irradiations 5 minutes then add
Enter the levelling agent, coalescents and silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 40 minutes.
In step (1), 18000r/min high speed dispersions 30 minutes.
In step (1), grinding is using circular grinding, when milling time is 10 small.
In step (2), stirring at low speed disperse be with 500r/min disperse 1 it is small when, moderate-speed mixer disperses to be with 3000r/min
20 minutes scattered, high-speed stirred disperse to be disperseed 5 minutes with 21000r/min.
In step (3), being dispersed with stirring is disperseed 20 minutes with 3000r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 100 DEG C, it is small to be stirred to react 1
When to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1.2：5.
Embodiment 5：
A kind of reflective heat-insulation paint is made of the component of following parts by weight：35 parts of aqueous acrylic emulsion, pure third breast
18 parts of liquid, 11 parts of organosilicon acrylic resin, 5.5 parts of sucrose Polyester modified poly (methyl methacrylate), 3.5 parts of lithium metasilicate, nanometer three aoxidizes
2.5 parts of tungsten, 2.5 parts of nanometer aluminium silicate, 2.5 parts of nano-titanium dioxide, 6 parts of dispersant, 0.4 part of levelling agent, coalescents 1.5
Part, 1.5 parts of silane coupling agent, 22 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is organic for epoxy group
Silane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 50nm
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 600W microwave irradiations 7 minutes then add
Enter the levelling agent, coalescents and silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 35 minutes.
In step (1), 20000r/min high speed dispersions 25 minutes.
In step (1), grinding is using circular grinding, when milling time is 11 small.
In step (2), stirring at low speed disperse be with 450r/min disperse 1.5 it is small when, moderate-speed mixer disperses to be with 2500r/
Min disperses 20~30 minutes, and high-speed stirred disperse to be disperseed 8 minutes with 20000r/min.
In step (3), being dispersed with stirring is disperseed 25 minutes with 2500r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 95 DEG C, is stirred to react 1.5
Hour to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1.1：5.5.
Comparative example 1
A kind of reflective heat-insulation paint is made of the component of following parts by weight：35 parts of aqueous acrylic emulsion, sucrose gathers
Ester modified 5.5 parts of polymethyl methacrylate, 3.5 parts of lithium metasilicate, 2.5 parts of nano tungsten trioxide, 2.5 parts of nanometer aluminium silicate are received
2.5 parts of titanium dioxide of rice, 6 parts of dispersant, 0.4 part of levelling agent, 1.5 parts of coalescents, 1.5 parts of silane coupling agent, deionized water
22 parts.
Wherein, dispersant is polycarboxylic acids ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are second two
Alcohol butyl ether.Silane coupling agent is epoxy silicones alkane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 50nm
One slurry, it is spare；
(2) lithium metasilicate is added dropwise into the aqueous acrylic emulsion of formula ratio, stirring at low speed is disperseed, then a dropping step (1)
First slurry obtained, moderate-speed mixer disperse, and add in the deionized water of remaining formula ratio, and high-speed stirred is disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 600W microwave irradiations 7 minutes then add
Enter the levelling agent, coalescents and silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 35 minutes.
In step (1), 20000r/min high speed dispersions 25 minutes.
In step (1), grinding is using circular grinding, when milling time is 11 small.
In step (2), stirring at low speed disperse be with 450r/min disperse 1.5 it is small when, moderate-speed mixer disperses to be with 2500r/
Min disperses 20~30 minutes, and high-speed stirred disperse to be disperseed 8 minutes with 20000r/min.
In step (3), being dispersed with stirring is disperseed 25 minutes with 2500r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 95 DEG C, is stirred to react 1.5
Hour to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1.1：5.5.
Comparative example 2
A kind of reflective heat-insulation paint is made of the component of following parts by weight：35 parts of aqueous acrylic emulsion, pure third breast
18 parts of liquid, 11 parts of organosilicon acrylic resin, 3.5 parts of lithium metasilicate, 2.5 parts of nano tungsten trioxide, 2.5 parts of nanometer aluminium silicate, nanometer titanium dioxide
2.5 parts of titanium, 6 parts of dispersant, 0.4 part of levelling agent, 1.5 parts of coalescents, 1.5 parts of silane coupling agent, 22 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is organic for epoxy group
Silane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 50nm
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) add in formula ratio levelling agent, coalescents and silane coupling agent, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 35 minutes.
In step (1), 20000r/min high speed dispersions 25 minutes.
In step (1), grinding is using circular grinding, when milling time is 11 small.
In step (2), stirring at low speed disperse be with 450r/min disperse 1.5 it is small when, moderate-speed mixer disperses to be with 2500r/
Min disperses 20~30 minutes, and high-speed stirred disperse to be disperseed 8 minutes with 20000r/min.
In step (3), being dispersed with stirring is disperseed 25 minutes with 2500r/min.
Comparative example 3
A kind of reflective heat-insulation paint is made of the component of following parts by weight：35 parts of aqueous acrylic emulsion, pure third breast
18 parts of liquid, 11 parts of organosilicon acrylic resin, 5.5 parts of sucrose Polyester modified poly (methyl methacrylate), 3.5 parts of lithium metasilicate, nanometer three aoxidizes
2.5 parts of tungsten, 2.5 parts of nano-titanium dioxide, 6 parts of dispersant, 0.4 part of levelling agent, 1.5 parts of coalescents, silane coupling agent 1.5
Part, 22 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is organic for epoxy group
Silane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nano-titanium dioxide, the first slurry of median 50nm is made in high speed dispersion, grinding, standby
With；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 600W microwave irradiations 7 minutes then add
Enter the levelling agent, coalescents and silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, the charging time of nano-titanium dioxide are 35 minutes.
In step (1), 20000r/min high speed dispersions 25 minutes.
In step (1), grinding is using circular grinding, when milling time is 11 small.
In step (2), stirring at low speed disperse be with 450r/min disperse 1.5 it is small when, moderate-speed mixer disperses to be with 2500r/
Min disperses 20~30 minutes, and high-speed stirred disperse to be disperseed 8 minutes with 20000r/min.
In step (3), being dispersed with stirring is disperseed 25 minutes with 2500r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 95 DEG C, is stirred to react 1.5
Hour to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1.1：5.5.
Comparative example 4
A kind of reflective heat-insulation paint is made of the component of following parts by weight：35 parts of aqueous acrylic emulsion, pure third breast
18 parts of liquid, 11 parts of organosilicon acrylic resin, 5.5 parts of sucrose Polyester modified poly (methyl methacrylate), 3.5 parts of lithium metasilicate, nanometer three aoxidizes
2.5 parts of tungsten, 2.5 parts of nanometer aluminium silicate, 2.5 parts of nano-titanium dioxide, 6 parts of dispersant, 0.4 part of levelling agent, coalescents 1.5
Part, 1.5 parts of silane coupling agent, 22 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is organic for epoxy group
Silane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirs evenly, then delay while stirring
Slow to add in nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of median 50nm
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and then the first slurry, moderate-speed mixer disperse made from a dropping step (1), adds in the deionization of remaining formula ratio
Water, high-speed stirred are disperseed；
(3) add in formula ratio sucrose Polyester modified poly (methyl methacrylate), be subsequently added into formula ratio levelling agent, into
Film auxiliary agent and silane coupling agent, are dispersed with stirring, filter to get.
In step (1), nano tungsten trioxide, nanometer aluminium silicate, the charging time of nano-titanium dioxide are 35 minutes.
In step (1), 20000r/min high speed dispersions 25 minutes.
In step (1), grinding is using circular grinding, when milling time is 11 small.
In step (2), stirring at low speed disperse be with 450r/min disperse 1.5 it is small when, moderate-speed mixer disperses to be with 2500r/
Min disperses 20~30 minutes, and high-speed stirred disperse to be disperseed 8 minutes with 20000r/min.
In step (3), being dispersed with stirring is disperseed 25 minutes with 2500r/min.
In step (3), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 95 DEG C, is stirred to react 1.5
Hour to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1.1：5.5.
Comparative example 5
A kind of reflective heat-insulation paint is made of the component of following parts by weight：35 parts of aqueous acrylic emulsion, pure third breast
18 parts of liquid, 11 parts of organosilicon acrylic resin, 5.5 parts of sucrose Polyester modified poly (methyl methacrylate), 3.5 parts of lithium metasilicate, nanometer three aoxidizes
2.5 parts of tungsten, 2.5 parts of nanometer aluminium silicate, 2.5 parts of nano-titanium dioxide, 6 parts of dispersant, 0.4 part of levelling agent, coalescents 1.5
Part, 1.5 parts of silane coupling agent, 22 parts of deionized water.
Wherein, pure-acrylic emulsion is butyl acrylate and copolymer made of methyl methacrylate.Dispersant is polycarboxylic acids
Ammonium salt dispersant.Levelling agent is dimethyl silicone polymer.Coalescents are butyl glycol ether.Silane coupling agent is organic for epoxy group
Silane coupling agent.
A kind of preparation method of above-mentioned reflective heat-insulation paint, is as follows：
(1) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, it is low
Speed is dispersed with stirring, and is subsequently added into nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, and moderate-speed mixer disperses, addition go from
Sub- water, high-speed stirred are disperseed；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 600W microwave irradiations 7 minutes then add
Enter dispersant, levelling agent, coalescents and the silane coupling agent of formula ratio, be dispersed with stirring, filter to get.
In step (1), stirring at low speed disperse be with 450r/min disperse 1.5 it is small when, moderate-speed mixer disperses to be with 2500r/
Min disperses 20~30 minutes, and high-speed stirred disperse to be disperseed 8 minutes with 20000r/min.
In step (2), being dispersed with stirring is disperseed 25 minutes with 2500r/min.
In step (2), the sucrose Polyester modified poly (methyl methacrylate) is prepared by the following method to obtain：It will
Sucrose Polyester is put into reaction kettle together with polymethyl methacrylate, is added in cyclohexanone, is heated to 95 DEG C, is stirred to react 1.5
Hour to get；The mass ratio of polymethyl methacrylate, sucrose Polyester and cyclohexanone is 1：1.1：5.5.
Test example
The coating of Examples 1 to 5 or comparative example 1~5 is sprayed at respectively on 3mm stainless steel plates (coating thickness be 100 μ
M), test surface drying time and form the adhesion strength of film, and according to GB/T 25261-2010 test sun luminous reflectance, half
Ball emissivity, GJB 1201.1-91 test thermal conductivity factors, the results are shown in Table 1.
1. coating property of table compares
As it can be seen from table 1 the coating surface drying time of Examples 1 to 5 is short, adhesion strength is big, there is good film forming
Can, sun luminous reflectance and hemispherical emissivity are high, and thermal conductivity factor is low, reflective insulation excellent performance.Comparative example 1 omits pure-acrylic emulsion
And organosilicon acrylic resin, comparative example 2 omit sucrose Polyester modified poly (methyl methacrylate), comparative example 3 omits nanometer aluminium silicate,
Comparative example 4 omits microwave treatment step, and comparative example 5 does not prepare the first slurry but directly adds all nano materials in advance
Enter, not only affect the filming performance of coating, also affect reflective insulation performance.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of reflective heat-insulation paint, which is characterized in that be made of the component of following parts by weight：Aqueous acrylic emulsion 30
~40 parts, 15~20 parts of pure-acrylic emulsion, 10~12 parts of organosilicon acrylic resin, 5~6 parts of sucrose Polyester modified poly (methyl methacrylate),
3~4 parts of lithium metasilicate, 2~3 parts of nano tungsten trioxide, 2~3 parts of nanometer aluminium silicate, 2~3 parts of nano-titanium dioxide, dispersant 5~
8 parts, 0.3~0.5 part of levelling agent, 1~2 part of coalescents, 1~2 part of silane coupling agent, 20~25 parts of deionized water.
2. a kind of preparation method of reflective heat-insulation paint described in claim 1, which is characterized in that be as follows：
(1) dispersant of formula ratio is added in the deionized water of 1/4 formula ratio, stirred evenly, then slowly added while stirring
Enter nano tungsten trioxide, nanometer aluminium silicate, nano-titanium dioxide, high speed dispersion, grinding are made the of 50~60nm of median
One slurry, it is spare；
(2) aqueous acrylic emulsion, pure-acrylic emulsion and organosilicon acrylic resin of formula ratio are uniformly mixed, lithium metasilicate is added dropwise, low speed stirs
Mix scattered, then the first slurry, moderate-speed mixer disperse made from a dropping step (1), add in the deionized water of remaining formula ratio, high
Speed is dispersed with stirring；
(3) the sucrose Polyester modified poly (methyl methacrylate) of formula ratio is added in, 500~750W microwave irradiations 5~8 minutes connect
Add in formula ratio levelling agent, coalescents and silane coupling agent, be dispersed with stirring, filter to get.
3. preparation method according to claim 1, which is characterized in that in step (1), nano tungsten trioxide, nanometer silicic acid
Aluminium, the charging time of nano-titanium dioxide are 30~40 minutes.
4. preparation method according to claim 1, which is characterized in that in step (1), 18000~21000r/min is at a high speed
It is 20~30 minutes scattered.
5. preparation method according to claim 1, which is characterized in that in step (1), grinding is using circular grinding, grinding
When time is 10~12 small.
6. preparation method according to claim 1, which is characterized in that in step (2), stirring at low speed disperse be with 400~
500r/min disperse 1~2 it is small when, moderate-speed mixer disperse to be disperseed 20~30 minutes with 2000~3000r/min, high-speed stirred point
Dissipating is disperseed 5~10 minutes with 18000~21000r/min.
7. preparation method according to claim 1, which is characterized in that in step (3), be dispersed with stirring be with 2000~
3000r/min disperses 20~30 minutes.
8. preparation method according to claim 1, which is characterized in that in step (3), the sucrose Polyester is modified poly- methyl
Methyl acrylate is prepared by the following method to obtain：Sucrose Polyester and polymethyl methacrylate are put into reaction kettle together
It is interior, add in cyclohexanone, be heated to 90~100 DEG C, be stirred to react 1~2 it is small when to get.
9. preparation method according to claim 8, which is characterized in that polymethyl methacrylate, sucrose Polyester and hexamethylene
The mass ratio of ketone is 1：1~1.2：5~6.
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