CN109433561A - A kind of coating process of inorganic heat insulation material waterproof coating - Google Patents
A kind of coating process of inorganic heat insulation material waterproof coating Download PDFInfo
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- CN109433561A CN109433561A CN201811300315.2A CN201811300315A CN109433561A CN 109433561 A CN109433561 A CN 109433561A CN 201811300315 A CN201811300315 A CN 201811300315A CN 109433561 A CN109433561 A CN 109433561A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2451/00—Type of carrier, type of coating (Multilayers)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2504/00—Epoxy polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2602/00—Organic fillers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to technical field of coatings, more specifically, it is related to a kind of coating process of inorganic heat insulation material waterproof coating, waterproof coating includes that primary coat and face apply, bottom Tu is dilution dispersing agent with water-based emulsion and water, the use of volatile organic solvent is avoided, so that the water-repellent paint has environment friendly to dilute dispersing agent with ethyl alcohol in table Tu；Effectively increase waterproofness, the heat insulating ability of inorganic heat insulation material；Solid waste composition granule can be used in filler in face Tu and bottom Tu of the present invention, can not only reduce cost, but also can turn waste into wealth；Water-repellent paint making step of the invention is simple, easily controllable, is conducive to large-scale industrial production.
Description
Technical field
The present invention relates to technical field of coatings, more specifically, are related to a kind of coating of inorganic heat insulation material waterproof coating
Method.
Background technique
It is more using solid waste source foamed matrix, the preferably functional stuffings such as aeroge, polymeric foam particle and expanded perlite
The inorganic heat insulation material of the low thermal conductivity of side's synergistic effect preparation lightweight, has good heat insulating effect.But due to
More air hole structures that light inorganic heat preserving material itself has, therefore its water absorption rate is high, poor waterproof properties, is especially having hydraulic pressure work
Under, water is easier to enter inside thermal insulation material and then thermal coefficient is made to increase and reduce heat insulation effect, and it is resistance in addition also to influence its
Long property.By brushing waterproof coating on inorganic heat insulation material surface, the water absorption rate of thermal insulation material is reduced, can be made it have excellent
Fire resistance characteristic and thermal insulation property.
Water-repellent paint has also obtained quick development in recent years, and domestic and foreign scholars have done a large amount of research to it, known
Research in, application No. is the utility model patents of CN200920198657.8 to disclose a kind of foam concrete waterproof layer, packet
Include structure sheaf, base treatment layer, bubble concrete layer, waterproof layer and protective layer composition, about in 60mm-400mm, in this way to basal plane
Load-carrying members are also very big challenge.Application No. is the patents of invention of CN200510110647.0 to disclose a kind of concrete with supporting
Shield protection integrative paint and its preparation, including polymer emulsion, defoaming agent, dispersing agent, hydraulic material cement, filler talcum
Concrete surface is applied to after the stirring such as powder, flyash, fine sand and reaches protective coating, does not investigate its waterproofness, Er Qiezhu specially
It is used for mortar concrete, rather than foam concrete.Application No. is the patents of invention of CN201610840319.4 to disclose one kind
Super hydrophobic coating based on water-based emulsion in ethanol by inorganic nano-particle dispersion sequentially adds water-based emulsion and fluorine silicon
Alkane coupling agent stirring 0.5-2h is sprayed at the substrates such as glass, metal, obtains super-hydrophobic coat after dry.To sum up, rarely have at present specially
Door ensures the waterproof thermal-insulated performance of inorganic heat insulation material in application process for the waterproof coating of inorganic heat insulation material.
Summary of the invention
In the presence of overcoming the shortcomings of the prior art, the present invention provides a kind of construction is simple, environmental-friendly, waterproofness
Can it is good, cheap and can large-area applications inorganic heat insulation material waterproof coating coating process.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is as follows:
A kind of coating process of inorganic heat insulation material waterproof coating, comprising the following steps: it is thick to spray 2 ~ 4mm in heat insulation material surface
Bottom Tu, one layer of spray adhesive is sprayed after air drying, then spray-coating surface applies again；Waterproof coating spraying is completed after drying；
The primary coat is made of solid portion, liquid part and auxiliary agent, and the solid portion is inorganic filler；The face applies
Inorganic solid waste particle, silane coupling agent and ethyl alcohol.
Further, the liquid portion of the primary coat is organic styrene-acrylic emulsion and water, the volume of the styrene-acrylic emulsion and water
Than for 3:(1 ~ 2), the solid portion of the primary coat is inorganic filler；The mass ratio of the liquid portion and solid portion is 1:(1
~3)。
Further, the bottom-coating is specific the preparation method comprises the following steps: styrene-acrylic emulsion is soluble in water, addition auxiliary agent, machine
Tool stirs 10min, adds inorganic filler, and bottom-coating is made after stirring 10-20min.
Further, the liquid portion of the primary coat is the mixing liquid of epoxy resin, curing agent and water composition, the ring
The mass ratio of oxygen resin and curing agent is 2:1, and the solid portion of the primary coat is inorganic filler；The liquid portion of the primary coat and
The ratio of solid portion is 3:(1 ~ 3).
Further, the bottom-coating specific is the preparation method comprises the following steps: that auxiliary agent is dissolved in deionized water is low with 200 r/min
Speed stirring 10 min, be added inorganic filler, epoxy resin, improve mixing speed to 500 r/min stir 20 min after, finally plus
Enter curing agent and stirs obtained coating.
Further, the auxiliary agent includes one of dispersing agent, defoaming agent, levelling agent or a variety of.
Further, inorganic solid waste mass particle score is that 0.5 ~ 10%, silane coupling agent mass fraction is in the face painting
0.5~2%。
Further, the inorganic solid waste particle is coal-powder boiler flyash, fluidization bed fly ash, plant ash, straw ash, cunning
One of mountain flour is a variety of；The silane coupling agent is 17 fluorine ruthenium trimethoxysilanes, 17 fluorine decyl, three ethoxy
Base silane, 3-aminopropyltriethoxysilane, 3- (2,3- the third oxygen of epoxy) propyl trimethoxy silicane, 3- methacryloxypropyl
One of propyl trimethoxy silicane is a variety of.
Further, the partial size of the inorganic solid waste particle is 0.1 ~ 40 micron.
Further, the face apply the preparation method comprises the following steps: silane coupling agent is dissolved in ethyl alcohol, the silane coupling agent and second
Alcohol volume ratio is (0.5 ~ 2): 100, inorganic solid waste particle is added, painting coating is made in ultrasonic 10-20min.
Compared with prior art, the advantageous effect of present invention is that:
The present invention provides a kind of coating process of inorganic heat insulation material waterproof coating, including primary coat and face to apply, and bottom Tu is with aqueous
Lotion and water are dilution dispersing agent, with ethyl alcohol are dilution dispersing agent in table Tu, avoid the use of volatile organic solvent, so that
The water-repellent paint has environment friendly；Effectively increase waterproofness, the heat insulating ability of inorganic heat insulation material；Face Tu of the present invention and
Solid waste composition granule can be used in filler in the Tu of bottom, can not only reduce cost, but also can turn waste into wealth；Waterproof of the invention
Coating making step is simple, easily controllable, is conducive to large-scale industrial production.
Detailed description of the invention
Fig. 1 is the Static water contact angles figure of the inorganic foamed concrete water-proof coating of the embodiment of the present invention 1；
Fig. 2 is the water suction experimental comparison figure of the inorganic foamed concrete water-proof coating of the embodiment of the present invention 1；
Fig. 3 is the surface SEM figure of the inorganic foamed concrete water-proof coating of the embodiment of the present invention 1；
Fig. 4 is the test result of 1-5 of the embodiment of the present invention and comparative example；
Fig. 5 is the test result of 6-9 of the embodiment of the present invention and comparative example.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of coating process of inorganic heat insulation material waterproof coating, comprising the following steps: heat insulation material surface spray 2 ~
The bottom Tu of 4mm thickness sprays one layer of spray adhesive after air drying, and then spray-coating surface applies again；Waterproof coating spraying is completed after drying；
The primary coat is made of solid portion, liquid part and auxiliary agent, and the solid portion is inorganic filler；It includes inorganic that the face, which applies,
Solid waste particle, silane coupling agent and ethyl alcohol.
The liquid portion of the primary coat is organic styrene-acrylic emulsion and water, the volume ratio of the styrene-acrylic emulsion and water be 3:(1 ~
2), the solid portion of the primary coat is inorganic filler；The mass ratio of the liquid portion and solid portion is 1:(1 ~ 3).It is described
Bottom-coating it is specific the preparation method comprises the following steps: styrene-acrylic emulsion is soluble in water, auxiliary agent is added, mechanical stirring 10min is added inorganic
Bottom-coating is made after stirring 10-20min in filler.
The liquid portion of the primary coat be epoxy resin, curing agent and water composition mixing liquid, the epoxy resin with
The mass ratio of curing agent is 2:1, and the solid portion of the primary coat is inorganic filler；The liquid portion and solid portion of the primary coat
Ratio be 3:(1 ~ 3).The bottom-coating specific is the preparation method comprises the following steps: that auxiliary agent is dissolved in deionized water is low with 200 r/min
Speed stirring 10 min, be added inorganic filler, epoxy resin, improve mixing speed to 500 r/min stir 20 min after, finally plus
Enter curing agent and stirs obtained coating.
The auxiliary agent includes one of dispersing agent, defoaming agent, levelling agent or a variety of.
It is 0.5 ~ 2% that inorganic solid waste mass particle score, which is 0.5 ~ 10%, silane coupling agent mass fraction, in the face painting.Institute
Stating inorganic solid waste particle is one of coal-powder boiler flyash, fluidization bed fly ash, plant ash, straw ash, talcum powder or a variety of；
The silane coupling agent is 17 fluorine ruthenium trimethoxysilanes, heptadecafluorodecyl triethoxysilane, 3- aminopropyl three
Ethoxysilane, 3- (2,3- the third oxygen of epoxy) propyl trimethoxy silicane, in 3- methyl allyl acyloxypropyl trimethoxysilane
It is one or more.The partial size of the inorganic solid waste particle is 0.1 ~ 40 micron.It is that the face applies the preparation method comprises the following steps: by silane idol
Connection agent is dissolved in ethyl alcohol, and the silane coupling agent and ethyl alcohol volume ratio are (0.5 ~ 2): 100, inorganic solid waste particle is added, ultrasound
Painting coating is made in 10-20min.
In the present embodiment, the partial size of inorganic solid waste particle is preferably 0.5 ~ 20 micron.
Embodiment 1
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600r/min and stirs 10min, adds
The primary coat is made after stirring 20min in 42.5 grades of ordinary portland cements for entering flyash and 40g that 60g partial size is 2.8 μm
Coating；17 fluorine ruthenium trimethoxysilane of 1ml is dissolved in 50ml ethyl alcohol, the flyash that 1g partial size is 2.8 μm is added, ultrasound
20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
The Static water contact angles of super-hydrophobic coat after drying are 168.2 °, and Fig. 1 is the inorganic foamed concrete of embodiment 1
The static water contact angular measurement figure of waterproof coating.Fig. 2 is the 6h water suction experiment of the inorganic foamed concrete water-proof coating of embodiment 1
Comparison diagram shows in figure: the water absorption rate of uncoated inorganic foamed concrete is 58.09%, has the water absorption rate of waterproof coating to be
0.81%, illustrate that waterproof coating has good waterproof effect to inorganic foamed concrete.Fig. 3 is the inorganic foamed coagulation of embodiment 1
The surface SEM of native waterproof coating schemes, and show in figure: coating surface forms the coarse structure of micro-meter scale.
Embodiment 2
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600r/min and stirs 10min, adds
The primary coat is made after stirring 20min in 42.5 grades of ordinary portland cements for entering flyash and 40g that 60g partial size is 2.8 μm
Coating；17 fluorine ruthenium trimethoxysilane of 0.9ml is dissolved in 50ml ethyl alcohol, the flyash that 1g partial size is 2.8 μm is added, ultrasound
20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
Embodiment 3
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600r/min and stirs 10min, adds
The primary coat is made after stirring 20min in 42.5 grades of ordinary portland cements for entering flyash and 40g that 60g partial size is 2.8 μm
Coating；17 fluorine ruthenium trimethoxysilane of 0.8ml is dissolved in 50ml ethyl alcohol, the flyash that 1g partial size is 2.8 μm is added, ultrasound
20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
Embodiment 4
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600r/min and stirs 10min, adds
The primary coat is made after stirring 20min in 42.5 grades of ordinary portland cements for entering flyash and 40g that 60g partial size is 2.8 μm
Coating；17 fluorine ruthenium trimethoxysilane of 0.7ml is dissolved in 50ml ethyl alcohol, the flyash that 1g partial size is 2.8 μm is added, ultrasound
20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
Embodiment 5
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600r/min and stirs 10min, adds
The primary coat is made after stirring 20min in 42.5 grades of ordinary portland cements for entering flyash and 40g that 60g partial size is 2.8 μm
Coating；17 fluorine ruthenium trimethoxysilane of 0.6ml is dissolved in 50ml ethyl alcohol, the flyash that 1g partial size is 2.8 μm is added, ultrasound
20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
The contact angle of testing example 1 ~ 5 and comparative example and water suction experiment, test results are shown in figure 4 for gained.Embodiment 2
The Static water contact angles test chart of the super-hydrophobic coat of ~ 5 preparations, water absorption rate comparison diagram, SEM figure are similar with embodiment 1.
Embodiment 6
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600 r/min and stirs 10 min,
In 42.5 grades of ordinary portland cements that flyash and 40g that 60g partial size is 2.8 microns is added, it is made described after stirring 20min
Bottom-coating.
1ml 3-aminopropyltriethoxysilane is dissolved in 50ml ethyl alcohol, the flyash that 1g partial size is 5.1 microns disperses
Into ethyl alcohol silicon fluoride modification liquid, ultrasonic 20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
Embodiment 7
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600 r/min and stirs 10 min,
In 42.5 grades of ordinary portland cements that flyash and 40g that 60g partial size is 2.8 microns is added, it is made described after stirring 20min
Bottom-coating.
1ml 3-aminopropyltriethoxysilane is dissolved in 50ml ethyl alcohol, the fine coal ash content that 0.8g partial size is 5.1 microns
It is scattered in ethyl alcohol silicon fluoride modification liquid, ultrasonic 20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
Embodiment 8
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600 r/min and stirs 10 min,
In 42.5 grades of ordinary portland cements that flyash and 40g that 60g partial size is 2.8 microns is added, it is made described after stirring 20min
Bottom-coating.
1ml 3-aminopropyltriethoxysilane is dissolved in 50ml ethyl alcohol, the fine coal ash content that 0.6g partial size is 5.1 microns
It is scattered in ethyl alcohol silicon fluoride modification liquid, ultrasonic 20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
Embodiment 9
50g styrene-acrylic emulsion is dissolved in deionized water, 0.02g dispersing agent, defoaming agent is added with 600 r/min and stirs 10 min,
In 42.5 grades of ordinary portland cements that flyash and 40g that 60g partial size is 2.8 microns is added, it is made described after stirring 20min
Bottom-coating.
1ml 3-aminopropyltriethoxysilane is dissolved in 50ml ethyl alcohol, the fine coal ash content that 0.4g partial size is 5.1 microns
It is scattered in ethyl alcohol silicon fluoride modification liquid, ultrasonic 20min obtains the super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
The contact angle of testing example 6 ~ 9 and comparative example and water suction experiment, test results are shown in figure 5 for gained.Embodiment 6
The Static water contact angles test chart of the super-hydrophobic coat of ~ 9 preparations, water absorption rate comparison diagram, SEM figure are similar with embodiment 1.
Embodiment 10
0.02g dispersing agent, defoaming agent are dissolved in deionized water and stir at low speed 10 min with 200 r/min, 20g flyash is added,
40g epoxy resin is added, 0.02g levelling agent is added, after improving mixing speed to 500 r/min stirring, 20 min, 20g is added
Curing agent, which stirs, is made bottom-coating；1ml heptadecafluorodecyl triethoxysilane is dissolved in 50ml ethyl alcohol, 1g partial size is 10.5 μ
The talcum powder of m is distributed in ethyl alcohol silicon fluoride modification liquid, and ultrasonic 20min obtains super-hydrophobic painting coating.
In use, in the bottom-coating of inorganic foamed concrete test block surface spraying about 3mm thickness, drying sprays one afterwards for 24 hours
After layer spray adhesive, then spray one layer of super hydrophobic coating.
In the present embodiment, the Static water contact angles of the super-hydrophobic coat after drying are 164.4 °, and 6h water absorption rate is
0.92%.Static water contact angles test chart, water absorption rate comparison diagram, SEM figure and the embodiment of super-hydrophobic coat manufactured in the present embodiment
1 is similar.
Comparative example
Uncoated inorganic foamed concrete.
Only presently preferred embodiments of the present invention is explained in detail above, but the present invention is not limited to above-described embodiment,
Within the knowledge of a person skilled in the art, it can also make without departing from the purpose of the present invention each
Kind variation, various change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of coating process of inorganic heat insulation material waterproof coating, which comprises the following steps: in thermal insulation material table
Face coating thickness is the bottom Tu of 2 ~ 4mm, sprays one layer of spray adhesive after air drying, then spray-coating surface applies again；Waterproof after drying
Coating spraying is completed；
The primary coat is made of solid portion, liquid part and auxiliary agent, and the solid portion is inorganic filler；The face applies
Inorganic solid waste particle, silane coupling agent and ethyl alcohol.
2. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 1, it is characterised in that: the bottom
The liquid portion of painting is organic styrene-acrylic emulsion and water, and the volume ratio of the styrene-acrylic emulsion and water is 3:(1 ~ 2), the primary coat is consolidated
Body portion is inorganic filler；The mass ratio of the liquid portion and solid portion is 1:(1 ~ 3).
3. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 2, which is characterized in that the bottom
The specific the preparation method comprises the following steps: styrene-acrylic emulsion is soluble in water of coating is applied, addition auxiliary agent, mechanical stirring 10min adds inorganic fill out
Bottom-coating is made after stirring 10-20min in material.
4. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 1, it is characterised in that: the bottom
The liquid portion of painting is the mixing liquid of epoxy resin, curing agent and water composition, the mass ratio of the epoxy resin and curing agent
For 2:1, the solid portion of the primary coat is inorganic filler；The ratio of the liquid portion of the primary coat and solid portion be 3:(1 ~
3)。
5. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 4, which is characterized in that the bottom
The specific of coating is applied the preparation method comprises the following steps: auxiliary agent, which is dissolved in deionized water, stirs at low speed 10 min with 200 r/min, addition is inorganic to fill out
Material, epoxy resin after improving mixing speed to 500 r/min stirring, 20 min, are eventually adding curing agent and stir obtained coating.
6. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 1, it is characterised in that: described
Auxiliary agent includes one of dispersing agent, defoaming agent, levelling agent or a variety of.
7. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 1, it is characterised in that: the face
It is 0.5 ~ 2% that inorganic solid waste mass particle score, which is 0.5 ~ 10%, silane coupling agent mass fraction, in painting.
8. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 1 or claim 7, it is characterised in that: institute
Stating inorganic solid waste particle is one of coal-powder boiler flyash, fluidization bed fly ash, plant ash, straw ash, talcum powder or a variety of；
The silane coupling agent is 17 fluorine ruthenium trimethoxysilanes, heptadecafluorodecyl triethoxysilane, 3- aminopropyl three
Ethoxysilane, 3- (2,3- the third oxygen of epoxy) propyl trimethoxy silicane, in 3- methyl allyl acyloxypropyl trimethoxysilane
It is one or more.
9. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 1 or claim 7, it is characterised in that: institute
The partial size for stating inorganic solid waste particle is 0.1 ~ 40 micron.
10. a kind of coating process of inorganic heat insulation material waterproof coating according to claim 1 or claim 7, which is characterized in that institute
State that face applies the preparation method comprises the following steps: silane coupling agent is dissolved in ethyl alcohol, the silane coupling agent and ethyl alcohol volume ratio are (0.5 ~ 2):
100, inorganic solid waste particle is added, painting coating is made in ultrasonic 10-20min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055351A (en) * | 2022-08-02 | 2022-09-16 | 合肥工业大学 | Preparation method of super-hydrophobic film layer on surface of electrogalvanized steel |
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