CN110713737A - Fireproof and heat-insulating inorganic mineral coating for buildings and preparation method thereof - Google Patents

Fireproof and heat-insulating inorganic mineral coating for buildings and preparation method thereof Download PDF

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CN110713737A
CN110713737A CN201910926299.6A CN201910926299A CN110713737A CN 110713737 A CN110713737 A CN 110713737A CN 201910926299 A CN201910926299 A CN 201910926299A CN 110713737 A CN110713737 A CN 110713737A
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heat
coating
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insulating
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童彬原
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Blue Sky Dolphin Green Building Materials (xiangyin) Co Ltd
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Blue Sky Dolphin Green Building Materials (xiangyin) Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D143/00Coating 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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
    • C09D143/04Homopolymers or copolymers of monomers containing silicon
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/34Filling pastes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres

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Abstract

The invention provides a fireproof and heat-insulating inorganic mineral coating for buildings and a preparation method thereof. The coating is prepared by compounding and processing aerogel, hollow microspheres, high-fire-resistance resin, an inorganic cementing material and other auxiliaries; the nano-silica aerogel is the best heat insulation material at present, the glass hollow microspheres and the ceramic vacuum microspheres also have excellent heat insulation effect, the nano-silica aerogel is matched with the aerogel to be used, so that the heat insulation performance is improved, the volume weight of the coating is reduced as a filler, the heat insulation effect is more remarkable, and the blending of the silica sol and the silicon acrylic resin not only ensures the void ratio of a coating system, but also ensures the strength and the fireproof performance of a coating film. The invention also provides a composite coating using the paint, and the heat-insulating putty adopts an inorganic gelling system taking expanded and vitrified micro bubbles as lightweight aggregate, has excellent heat-insulating property, has super-strong heat-insulating capability, A-level fireproof capability and high-temperature resistance capability, and well controls the cost.

Description

Fireproof and heat-insulating inorganic mineral coating for buildings and preparation method thereof
Technical Field
The invention relates to the technical field of building heat-insulating coatings, in particular to a building fireproof heat-insulating inorganic mineral coating and a preparation method thereof.
Technical Field
In the trend of advocating energy conservation and emission reduction and ecological greenness in the world, the heat insulation material is mainly changed from industrial heat insulation to building heat insulation. The country advocates the low-carbon energy-saving industry and the energy-saving industry, so that the research, development, popularization and application of the building heat-insulating and heat-preserving coating are more important.
The heat insulation coating is a coating which is coated on the surface of a building and can play a role in heat insulation, and is divided into a transparent heat insulation coating and a non-transparent heat insulation coating according to different use occasions; according to the heat insulation mechanism, the coating can be classified into barrier heat insulation coating, reflective heat insulation coating and radiation heat insulation coating 3. At present, domestic patents such as CN200910061883.6 and CN201010230484.0 refer to heat-insulating coatings with single heat-insulating related performance, pure acrylic resin is used as a film-forming substance, and the fire-proof grade of the material cannot be guaranteed to be A-grade non-combustible level.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a fireproof and heat-insulating inorganic mineral coating for buildings and a preparation method thereof. The heat insulation coating is prepared by compounding and processing aerogel, hollow microspheres, high-fire-resistance resin, an inorganic gelling material and other auxiliary agents; the nano-silica aerogel is the best heat insulation material at present, the glass hollow microspheres and the ceramic vacuum microspheres also have excellent heat insulation effect, the nano-silica aerogel is matched with the aerogel to be used, so that the heat insulation performance is improved, the volume weight of the coating is reduced as a filler, the heat insulation effect is more remarkable, and the blending of the silica sol and the silicon acrylic resin not only ensures the void ratio of a coating system, but also ensures the strength and the fire prevention performance of a coating film. The invention also provides a heat-insulating composite coating using the coating, which mainly comprises heat-insulating putty, a glass fiber net and a heat-insulating coating, wherein the heat-insulating putty adopts an inorganic gelling system taking expanded and vitrified micro bubbles as a lightweight aggregate and has excellent heat-insulating property. The composite coating has the advantages of super-strong heat preservation and insulation capability, A-level fireproof capability and high temperature resistance, and the cost is well controlled.
The specific technical scheme of the invention is as follows:
the inorganic mineral coating comprises deionized water, a gelling material, a functional filler and an auxiliary agent, wherein the gelling material comprises silica sol and silica acrylic resin, the functional filler comprises nano silica aerogel, glass hollow microspheres and ceramic vacuum microspheres, the auxiliary agent comprises a thickening agent, and the weight fractions of the components comprise, by weight, 250-300 parts of deionized water, 100-150 parts of nano silica aerogel, 100-125 parts of glass hollow microspheres, 90-110 parts of ceramic vacuum microspheres, 250-300 parts of silica sol, 20-25 parts of silica acrylic resin and 4-6 parts of the thickening agent.
Furthermore, the auxiliary agent also comprises a dispersing agent, a wetting agent, a defoaming agent and a multifunctional auxiliary agent, wherein the dispersing agent accounts for 4-6 weight percent, the wetting agent accounts for 1.5-3 weight percent, the defoaming agent accounts for 1.5-2 weight percent, and the multifunctional auxiliary agent accounts for 1-2 weight percent.
Furthermore, the auxiliary agent also comprises cellulose, an antiseptic bactericide and propylene glycol, wherein the weight fractions of the auxiliary agent in the inorganic mineral coating are 1-2 of the cellulose, 1-2 of the antiseptic bactericide and 10-20 of the propylene glycol.
Furthermore, the weight fraction of each component is preferably 250-280 deionized water, 1.5-2 defoamer, 1-1.5 cellulose, 1-2 multifunctional assistant, 4-6 dispersant, 1.5-3 wetting agent, 1-2 antiseptic bactericide, 10-15 propylene glycol, 100 nano-silica aerogel 150, 100 glass hollow microspheres 125, 90-110 ceramic vacuum microspheres, 250 silica sol 300, 20-25 silicon acrylic resin and 4-6 thickener.
The invention further provides a composite coating, which mainly comprises a heat-preservation putty layer, a glass fiber net and a heat-insulation coating layer, wherein the innermost layer is the heat-preservation putty layer, the glass fiber net is arranged outside the heat-preservation putty layer, the heat-insulation coating is arranged outside the glass fiber net,
the heat-insulating putty comprises, by weight, 300-400 parts of vitrified micro bubbles, 300-400 parts of Portland cement, 300-400 parts of quartz sand, 1-2 parts of PP short fibers, 4-5 parts of rubber powder and 1-2 parts of cellulose ether;
the heat insulation coating layer adopts the fireproof heat insulation inorganic mineral coating.
Further, the thickness of the heat-preservation putty layer is 5-10mm, the thickness of the glass fiber net is 5mm, and the thickness of the heat-insulation coating is 1-3 mm.
Furthermore, the composite coating further comprises a decorative layer and a radiation layer, the decorative layer is arranged outside the heat insulation coating, the radiation layer is arranged outside the device layer, the thickness of the decorative layer is 1-3mm, and the thickness of the radiation layer is 1-3 mm.
The invention further provides a preparation method of the fireproof and heat-insulating inorganic mineral coating for buildings, which comprises the following steps:
firstly, adding 250 parts of deionized water and 280 parts of deionized water for stirring;
secondly, adding 100-150 parts of nano-silica aerogel, 100-125 parts of glass hollow microspheres and 90-110 parts of ceramic vacuum microspheres, and dispersing at medium speed;
and the third step, adding 300 parts of silica sol of 250 and 20-25 parts of silicon acrylic resin, uniformly stirring, and adding 4-6 parts of thickening agent to adjust the viscosity.
Further, the method also comprises the step of adding 1.5-2 parts of defoaming agent, 1-1.5 parts of cellulose, 1-2 parts of multifunctional auxiliary agent, 4-6 parts of dispersing agent, 1.5-3 parts of wetting agent, 1-2 parts of antiseptic and bactericidal agent and 10-15 parts of propylene glycol after adding deionized water and uniformly stirring.
Further, the medium speed in the second step is specifically 700-900 rpm, preferably 800 rpm, and the dispersion time is 25 to 35 minutes, preferably 30 minutes.
Further, the stirring time in the third step is 15 to 20 minutes.
The invention further provides a preparation method of the composite coating, which comprises the following steps:
1) preparing heat-preservation putty:
the first step is to add 400 portions of quartz sand of 300-;
secondly, adding 4-2 parts of rubber powder, 1-2 parts of pp short fiber and 1-2 parts of cellulose ether and mixing;
2) coating the prepared heat-insulating putty on a base layer;
3) laying a glass fiber net outside the heat-insulating putty layer;
4) coating the fireproof heat-insulating inorganic mineral coating outside the glass fiber net;
5) coating a decorative layer outside the heat-insulating coating layer;
6) and coating a radiation layer outside the decorative layer.
The beneficial effects of the invention are as follows:
1. the heat insulation coating is prepared by compounding and processing aerogel, hollow microspheres, high-fire-resistance resin, an inorganic cementing material and other auxiliaries; the nano-silica aerogel is the best heat insulation material at present, the glass hollow microspheres and the ceramic vacuum microspheres also have excellent heat insulation effect, the nano-silica aerogel is matched with the aerogel to be used, the heat insulation performance is improved, the volume weight of the coating is reduced as a filler, the heat insulation effect is more remarkable, and the porosity of the coating system is ensured by blending the silica sol and the silicon acrylic resin, and the strength and the fireproof performance of a coating film are also ensured.
2. The composite coating mainly comprises heat-insulating putty, a glass fiber net and heat-insulating coating, wherein the heat-insulating putty adopts an inorganic gelling system taking expanded and vitrified micro bubbles as lightweight aggregate and has excellent heat-insulating property. The composite coating has the advantages of super-strong heat preservation and insulation capability, A-level fireproof capability and high temperature resistance, and the cost is well controlled.
Drawings
FIG. 1 is a schematic structural diagram of the composite coating of the present invention.
The heat-insulating coating comprises, by weight, 1-a base layer, 2-a heat-insulating putty layer, 3-a glass fiber net, 4-a heat-insulating coating, 5-a decorative layer and 6-a radiation layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The embodiment 1 of the invention provides a fireproof heat-insulation inorganic mineral coating, which comprises deionized water, a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an anticorrosive bactericide, propylene glycol, nano-silica aerogel, glass hollow microspheres, ceramic vacuum microspheres, silica sol, silicon acrylic resin and a thickening agent, wherein the deionized water 275, the defoaming agent 1.5, the cellulose 2, the multifunctional auxiliary agent 1.5, the dispersing agent 5, the wetting agent 2, the anticorrosive bactericide 2, the propylene glycol 20, the nano-silica aerogel 150, the glass hollow microspheres 100, the ceramic vacuum microspheres 110, the silica sol 300, the silicon acrylic resin 25 and the thickening agent 6 in percentage by weight.
The preparation method comprises the following steps:
firstly, adding deionized water and stirring;
secondly, adding a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an antiseptic bactericide and propylene glycol, and stirring for 15 minutes;
thirdly, adding nano-silica aerogel, glass hollow microspheres and ceramic vacuum microspheres, and dispersing for 30 minutes at the speed of 800 rpm;
fourthly, adding silica sol and silicon acrylic resin, stirring for 15 minutes, and adding a thickening agent to adjust the viscosity.
The invention provides a composite coating, as shown in fig. 1, the composite coating comprises a heat-insulating putty layer 2, a glass fiber net 3 and a heat-insulating coating layer 4, wherein the innermost layer is the heat-insulating putty layer 2, the glass fiber net 3 is arranged outside the heat-insulating putty layer 2, and the heat-insulating coating layer 4 is arranged outside the glass fiber net 3. The thickness of the heat-preservation putty layer 2 is 5-10mm, the thickness of the glass fiber net 3 is 5mm, and the thickness of the heat-insulation coating 4 is 1-3 mm. The composite coating further comprises a decorative layer 5 and a radiation layer 6, wherein the decorative layer 5 is arranged outside the heat insulation coating 4, the radiation layer 6 is arranged outside the device layer 5, the thickness of the decorative layer 5 is 1-3mm, and the thickness of the radiation layer 6 is 1-3 mm.
The composite coating is prepared by the following steps:
coating the prepared heat-insulating putty on the base layer 1;
laying a glass fiber net 3 outside the heat-insulating putty layer 2;
coating the thermal insulation coating on the outside 3 of the glass fiber net;
coating a decorative layer 5 outside the heat insulation coating layer 4;
and a radiation layer 6 is coated outside the decoration layer 5.
Wherein, the preparation method of the heat-insulating putty comprises the following steps,
firstly, adding quartz sand, Portland cement and vitrified micro-beads;
secondly, adding rubber powder, PP short fiber and cellulose ether for mixing
The high-performance cement mortar comprises the following components, by weight, 300 parts of vitrified micro bubbles, 400 parts of Portland cement, 300 parts of quartz sand, 4 parts of rubber powder, 1 part of PP short fibers and 1 part of cellulose ether.
The test shows that the thermal resistance value of the composite coating reaches 0.6m2K/W, fire rating class A or not.
Example 2
The embodiment 2 of the invention provides a fireproof heat-insulation inorganic mineral coating, which comprises deionized water, a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an anticorrosive bactericide, propylene glycol, nano-silica aerogel, hollow glass beads, ceramic vacuum beads, silica sol, silica acrylic resin and a thickening agent, wherein the components comprise 300 parts of deionized water, 2 parts of the defoaming agent, 1.5 parts of the cellulose, 2 parts of the multifunctional auxiliary agent, 6 parts of the dispersing agent, 1.5 parts of the wetting agent, 2 parts of the anticorrosive bactericide, 14 parts of propylene glycol, 135 parts of the nano-silica aerogel, 125 parts of the hollow glass beads, 100 parts of the ceramic vacuum beads, 100 parts of the silica acrylic resin, 280 parts of the silica sol and 6 parts of the thickening agent.
The preparation method comprises the following steps:
firstly, adding deionized water and stirring;
secondly, adding a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an antiseptic bactericide and propylene glycol, and stirring for 15 minutes;
thirdly, adding nano-silica aerogel, glass hollow microspheres and ceramic vacuum microspheres, and dispersing for 30 minutes at the speed of 800 rpm;
fourthly, adding silica sol and silicon acrylic resin, stirring for 15 minutes, and adding a thickening agent to adjust the viscosity.
The invention provides a composite coating, as shown in fig. 1, the composite coating comprises a heat-insulating putty layer 2, a glass fiber net 3 and a heat-insulating coating layer 4, wherein the innermost layer is the heat-insulating putty layer 2, the glass fiber net 3 is arranged outside the heat-insulating putty layer 2, and the heat-insulating coating layer 4 is arranged outside the glass fiber net 3. The thickness of the heat-preservation putty layer 2 is 5-10mm, the thickness of the glass fiber net 3 is 5mm, and the thickness of the heat-insulation coating 4 is 1-3 mm. The composite coating further comprises a decorative layer 5 and a radiation layer 6, wherein the decorative layer 5 is arranged outside the heat insulation coating 4, the radiation layer 6 is arranged outside the device layer 5, the thickness of the decorative layer 5 is 1-3mm, and the thickness of the radiation layer 6 is 1-3 mm.
The composite coating is prepared by the following steps:
coating the prepared heat-insulating putty on the base layer 1;
laying a glass fiber net 3 outside the heat-insulating putty layer 2;
coating the thermal insulation coating on the outside 3 of the glass fiber net;
coating a decorative layer 5 outside the heat insulation coating layer 4;
and a radiation layer 6 is coated outside the decoration layer 5.
Wherein, the preparation method of the heat-insulating putty comprises the following steps,
firstly, adding quartz sand, Portland cement and vitrified micro-beads;
secondly, adding rubber powder, PP short fiber and cellulose ether for mixing
The components comprise, by weight, 400 parts of vitrified micro bubbles, 300 parts of Portland cement, 400 parts of quartz sand, 4 parts of rubber powder, 2 parts of PP short fibers and 2 parts of cellulose ether.
The test shows that the thermal resistance value of the composite coating reaches 0.5m2K/W, fire rating class A or not.
Example 3
The embodiment 3 of the invention provides a fireproof heat-insulation inorganic mineral coating, which comprises deionized water, a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an anticorrosive bactericide, propylene glycol, nano-silica aerogel, glass hollow microspheres, ceramic vacuum microspheres, silica sol, silicon acrylic resin and a thickening agent, wherein the deionized water 280, the defoaming agent 1.5, the cellulose 1.5, the multifunctional auxiliary agent 1, the dispersing agent 6, the wetting agent 1.5, the anticorrosive bactericide 1, propylene glycol 15, the nano-silica aerogel 150, the glass hollow microspheres 125, the ceramic vacuum microspheres 110, the silica sol 300, the silicon acrylic resin 20 and the thickening agent 4 are used in percentage by weight.
The preparation method comprises the following steps:
firstly, adding deionized water and stirring;
secondly, adding a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an antiseptic bactericide and propylene glycol, and stirring for 15 minutes;
thirdly, adding nano-silica aerogel, glass hollow microspheres and ceramic vacuum microspheres, and dispersing for 30 minutes at the speed of 800 rpm;
fourthly, adding silica sol and silicon acrylic resin, stirring for 15 minutes, and adding a thickening agent to adjust the viscosity.
The invention provides a composite coating, as shown in fig. 1, the composite coating comprises a heat-insulating putty layer 2, a glass fiber net 3 and a heat-insulating coating layer 4, wherein the innermost layer is the heat-insulating putty layer 2, the glass fiber net 3 is arranged outside the heat-insulating putty layer 2, and the heat-insulating coating layer 4 is arranged outside the glass fiber net 3. The thickness of the heat-preservation putty layer 2 is 5-10mm, the thickness of the glass fiber net 3 is 5mm, and the thickness of the heat-insulation coating 4 is 1-3 mm. The composite coating further comprises a decorative layer 5 and a radiation layer 6, wherein the decorative layer 5 is arranged outside the heat insulation coating 4, the radiation layer 6 is arranged outside the device layer 5, the thickness of the decorative layer 5 is 1-3mm, and the thickness of the radiation layer 6 is 1-3 mm.
The composite coating is prepared by the following steps:
coating the prepared heat-insulating putty on the base layer 1;
laying a glass fiber net 3 outside the heat-insulating putty layer 2;
coating the thermal insulation coating on the outside 3 of the glass fiber net;
coating a decorative layer 5 outside the heat insulation coating layer 4;
and a radiation layer 6 is coated outside the decoration layer 5.
Wherein, the preparation method of the heat-insulating putty comprises the following steps,
firstly, adding quartz sand, Portland cement and vitrified micro-beads;
secondly, adding rubber powder, PP short fiber and cellulose ether for mixing
Wherein the weight percentage of each component is 350 percent of vitrified micro bubbles, 350 percent of Portland cement, 300 percent of quartz sand, 5 percent of rubber powder, 1.5 percent of PP short fiber and 1.5 percent of cellulose ether.
The test shows that the thermal resistance value of the composite coating reaches 0.5m2K/W, fire rating class A or not.
Example 4
The embodiment 4 of the invention provides a fireproof heat-insulation inorganic mineral coating, which comprises deionized water, a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an anticorrosive bactericide, propylene glycol, nano-silica aerogel, hollow glass beads, ceramic vacuum beads, silica sol, silicon acrylic resin and a thickening agent, wherein the deionized water is 250 weight percent, the defoaming agent is 2 weight percent, the cellulose is 1 weight percent, the multifunctional auxiliary agent is 2 weight percent, the dispersing agent is 4 weight percent, the wetting agent is 3 weight percent, the anticorrosive bactericide is 2 weight percent, the propylene glycol is 15 weight percent, the nano-silica aerogel 135 weight percent, the hollow glass beads 125 weight percent, the ceramic vacuum beads 110 weight percent, the silica sol 300 weight percent, the silicon acrylic resin 20 weight percent and the thickening agent 4 weight.
The preparation method comprises the following steps:
firstly, adding deionized water and stirring;
secondly, adding a defoaming agent, cellulose, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, an antiseptic bactericide and propylene glycol, and stirring for 15 minutes;
thirdly, adding nano-silica aerogel, glass hollow microspheres and ceramic vacuum microspheres, and dispersing for 30 minutes at the speed of 800 rpm;
fourthly, adding silica sol and silicon acrylic resin, stirring for 15 minutes, and adding a thickening agent to adjust the viscosity.
The invention provides a composite coating, as shown in fig. 1, the composite coating comprises a heat-insulating putty layer 2, a glass fiber net 3 and a heat-insulating coating layer 4, wherein the innermost layer is the heat-insulating putty layer 2, the glass fiber net 3 is arranged outside the heat-insulating putty layer 2, and the heat-insulating coating layer 4 is arranged outside the glass fiber net 3. The thickness of the heat-preservation putty layer 2 is 5-10mm, the thickness of the glass fiber net 3 is 5mm, and the thickness of the heat-insulation coating 4 is 1-3 mm. The composite coating further comprises a decorative layer 5 and a radiation layer 6, wherein the decorative layer 5 is arranged outside the heat insulation coating 4, the radiation layer 6 is arranged outside the device layer 5, the thickness of the decorative layer 5 is 1-3mm, and the thickness of the radiation layer 6 is 1-3 mm.
The composite coating is prepared by the following steps:
coating the prepared heat-insulating putty on the base layer 1;
laying a glass fiber net 3 outside the heat-insulating putty layer 2;
coating the thermal insulation coating on the outside 3 of the glass fiber net;
coating a decorative layer 5 outside the heat insulation coating layer 4;
and a radiation layer 6 is coated outside the decoration layer 5.
Wherein, the preparation method of the heat-insulating putty comprises the following steps,
firstly, adding quartz sand, Portland cement and vitrified micro-beads;
secondly, adding rubber powder, PP short fiber and cellulose ether for mixing
Wherein the weight percentage of each component is 350 percent of vitrified micro bubbles, 350 percent of Portland cement, 300 percent of quartz sand, 5 percent of rubber powder, 1.5 percent of PP short fiber and 1.5 percent of cellulose ether.
The test shows that the thermal resistance value of the composite coating reaches 0.45m2K/W, fire rating class A or not.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. The inorganic mineral coating for fire prevention and heat insulation of the building is characterized by comprising deionized water, a cementing material, a functional filler and an auxiliary agent, wherein the cementing material comprises silica sol and silicon acrylic resin, the functional filler comprises nano-silica aerogel, glass hollow microspheres and ceramic vacuum microspheres, the auxiliary agent comprises a thickening agent, and the weight fractions of the components comprise 250-300 parts of deionized water, 100-150 parts of nano-silica aerogel, 100-125 parts of glass hollow microspheres, 90-110 parts of ceramic vacuum microspheres, 250-300 parts of silica sol, 20-25 parts of silicon acrylic resin and 4-6 parts of thickening agent.
2. The inorganic mineral coating for fire prevention and heat insulation of a building as claimed in claim 1, wherein the auxiliary agent further comprises a dispersing agent, a wetting agent, a defoaming agent and a multifunctional auxiliary agent, and the weight fractions of the dispersing agent, the wetting agent, the defoaming agent and the multifunctional auxiliary agent in the inorganic mineral coating are 4-6, 1.5-3, 1.5-2 and 1-2.
3. The fireproof and heat-insulating inorganic mineral coating for buildings according to claim 2, wherein the auxiliary agent further comprises cellulose, an antiseptic bactericide and propylene glycol, and the weight fractions of the cellulose, the antiseptic bactericide and the propylene glycol in the inorganic mineral coating are 1-2, 1-2 and 10-20.
4. The inorganic mineral coating for fire prevention and heat insulation of a building as claimed in claim 3, wherein the weight fraction of each component is 250-280 deionized water, 1.5-2 defoamer, 1-1.5 cellulose, 1-2 multifunctional assistant, 4-6 dispersant, 1.5-3 wetting agent, 1-2 antiseptic bactericide, 10-15 propylene glycol, 100-150 nano silica aerogel, 100-125 glass hollow microsphere, 90-110 ceramic vacuum microsphere, 250-300 silica sol, 20-25 silicon acrylic resin and 4-6 thickener.
5. A composite coating is characterized in that the composite coating mainly comprises a heat-preservation putty layer, a glass fiber net and a heat-insulation coating layer, the innermost layer of the composite coating is the heat-preservation putty layer, the glass fiber net is arranged outside the heat-preservation putty layer, the heat-insulation coating is arranged outside the glass fiber net,
the heat-insulating putty comprises, by weight, 300-400 parts of vitrified micro bubbles, 300-400 parts of Portland cement, 300-400 parts of quartz sand, 1-2 parts of PP short fibers, 4-5 parts of rubber powder and 1-2 parts of cellulose ether;
the heat-insulating coating layer adopts the fireproof heat-insulating inorganic mineral coating for buildings as claimed in any one of claims 1 to 4.
6. The composite coating of claim 5, wherein the thermal grease layer has a thickness of 5-10mm, the glass fiber web has a thickness of 5mm, and the thermal barrier coating has a thickness of 1-3 mm.
7. The composite coating of claim 6, further comprising a decorative layer disposed over the thermal barrier coating and a radiation layer disposed over the device layer, the decorative layer having a thickness of 1-3mm and the radiation layer having a thickness of 1-3 mm.
8. A preparation method of a fireproof and heat-insulating inorganic mineral coating for buildings is characterized by comprising the following steps:
firstly, adding 250 parts of deionized water and 280 parts of deionized water for stirring;
secondly, adding 100-150 parts of nano-silica aerogel, 100-125 parts of glass hollow microspheres and 90-110 parts of ceramic vacuum microspheres, and dispersing at medium speed;
and the third step, adding 300 parts of silica sol of 250 and 20-25 parts of silicon acrylic resin, uniformly stirring, and adding 4-6 parts of thickening agent to adjust the viscosity.
9. The preparation method of the fireproof and heat-insulating inorganic mineral coating for buildings according to claim 8, wherein the method further comprises the step of adding 1.5-2 parts of defoaming agent, 1-1.5 parts of cellulose, 1-2 parts of multifunctional auxiliary agent, 4-6 parts of dispersing agent, 1.5-3 parts of wetting agent, 1-2 parts of antiseptic bactericide and 10-15 parts of propylene glycol after adding deionized water.
10. A method of preparing a composite coating, the method comprising the steps of:
1) preparing heat-preservation putty:
the first step is to add 400 portions of quartz sand of 300-;
secondly, adding 4-2 parts of rubber powder, 1-2 parts of pp short fiber and 1-2 parts of cellulose ether and mixing;
2) coating the prepared heat-insulating putty on a base layer;
3) laying a glass fiber net outside the heat-insulating putty layer;
4) coating the fireproof heat-insulating inorganic mineral coating outside the glass fiber net;
5) coating a decorative layer outside the heat-insulating coating layer;
6) and coating a radiation layer outside the decorative layer.
CN201910926299.6A 2019-09-27 2019-09-27 Fireproof and heat-insulating inorganic mineral coating for buildings and preparation method thereof Pending CN110713737A (en)

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CN116851235A (en) * 2023-07-12 2023-10-10 浙大宁波理工学院 Reflective heat-insulating multicolor paint and preparation method and application thereof

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Application publication date: 20200121