CN113249006B - High-strength heat-preservation and heat-insulation building coating and preparation method thereof - Google Patents
High-strength heat-preservation and heat-insulation building coating and preparation method thereof Download PDFInfo
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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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C09D161/14—Modified phenol-aldehyde condensates
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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
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- 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
- C08K3/02—Elements
- C08K2003/026—Phosphorus
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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Abstract
The invention is suitable for the technical field of heat-insulating materials, and provides a high-strength heat-insulating building coating and a preparation method thereof, wherein the high-strength heat-insulating building coating comprises the following components: the paint comprises modified phenolic resin, diacetone alcohol, a filler, a heat insulation material, an auxiliary agent, a pigment and deionized water, wherein the modified phenolic resin is obtained by modifying the phenolic resin through magnesium aluminum silicate; according to the embodiment of the invention, the phenolic resin is modified and the surface of the modified phenolic resin is treated, so that the coating in the embodiment of the invention has good bonding strength, can prevent the coating from falling off from a wall, and is beneficial to long-term use of the coating; solves the problem that the existing coating has low bonding strength to a matrix, so that the heat-insulating coating is easy to fall off from the matrix.
Description
Technical Field
The invention belongs to the technical field of heat-insulating materials, and particularly relates to a high-strength heat-insulating building coating and a preparation method thereof.
Background
Under the environment of 'energy conservation and emission reduction', the problem of building energy conservation gradually becomes a hot topic of attention of all circles, and the building energy conservation plays a decisive role in the sustainable development of the country in future. At present, energy-saving and heat-insulating are carried out on houses and public buildings.
The heat-insulating paint is made up of high-quality natural minerals, chemical additive and high-temp adhesive through such technological steps as pulping, moulding, shaping, baking, and packing. At present, the composite silicate heat-insulating coating is widely used in the building industry, but the bonding strength of the composite silicate heat-insulating coating to a substrate is low, so that the heat-insulating coating is easy to fall off from the substrate.
Disclosure of Invention
The invention aims to provide a high-strength heat-preservation and heat-insulation building coating and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the aim, the invention provides a high-strength heat-preservation and heat-insulation building coating which comprises the following components:
the modified phenolic resin is prepared by modifying phenolic resin through magnesium aluminum silicate.
Preferably, the composition comprises the following components in parts by weight:
40-60 parts of modified phenolic resin, 30-50 parts of diacetone alcohol, 10-14 parts of filler, 30-50 parts of heat-insulating material, 2-4 parts of auxiliary agent, 6-10 parts of pigment and 30-50 parts of deionized water.
Preferably, the composition comprises the following components in parts by weight:
45-55 parts of modified phenolic resin, 35-45 parts of diacetone alcohol, 11-13 parts of filler, 35-45 parts of thermal insulation material, 2.5-3.5 parts of auxiliary agent, 7-9 parts of pigment and 35-45 parts of deionized water.
Preferably, the auxiliaries include flame retardants, defoamers, light stabilizers, dispersants and mildewcides.
Preferably, the filler is one or more of talcum powder, porous powder quartz and calcium carbonate.
The preparation method of the high-strength heat-preservation and heat-insulation building coating comprises the following steps:
(1) preparing modified phenolic resin;
(2) surface treatment of modified phenolic resin: crushing the modified phenolic resin obtained in the step (1), placing the crushed modified phenolic resin into a reaction kettle for sealing and heating, heating to 260-300 ℃ to ensure that the pressure in the reaction kettle is 2-3MPa, carrying out heating reaction for 30-40min, introducing condensed water into the shell wall of the interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, simultaneously stirring for rapid cooling, and carrying out laser treatment on the modified phenolic resin when the temperature in the reaction kettle is cooled to 80 ℃.
(3) And uniformly stirring the modified phenolic resin subjected to laser treatment, diacetone alcohol, a filler, a heat insulation material, an auxiliary agent, a pigment and deionized water to obtain the product.
Preferably, a modified phenolic resin is prepared: crushing phenolic resin to obtain phenolic resin powder, adding deionized water and a curing agent into magnesium aluminum silicate, mixing and stirring uniformly, then adding the phenolic resin powder, stirring and heating, reacting for 1-2h at the temperature of 180-200 ℃, and then cooling to obtain the modified phenolic resin.
In summary, due to the adoption of the technical scheme, the method has the following beneficial effects:
the invention provides a high-strength heat-preservation and heat-insulation building coating and a preparation method thereof.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The existing heat-insulating coating has low bonding strength to a matrix, so that the heat-insulating coating is easy to fall off from the matrix. According to the embodiment of the invention, the phenolic resin is modified and the surface of the modified phenolic resin is treated, so that the coating in the embodiment of the invention has good bonding strength, can prevent the coating from falling off from a wall, and is beneficial to long-term use of the coating
Example 1
(1) Preparing modified phenolic resin: crushing 60g of phenolic resin to obtain phenolic resin powder, adding 20g of deionized water and 0.1g of tertiary amine into 4g of magnesium aluminum silicate, uniformly mixing and stirring, then adding the phenolic resin powder, stirring and heating, reacting for 1h at the temperature of 180 ℃, and then cooling to obtain modified phenolic resin;
(2) surface treatment of modified phenolic resin: crushing the modified phenolic resin obtained in the step (1), putting the crushed modified phenolic resin into a reaction kettle for sealed heating, heating to 260 ℃ to enable the pressure in the reaction kettle to be 2MPa, heating for reaction for 30min, introducing condensed water into the wall of an interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, stirring for rapid cooling, and performing laser treatment on the modified phenolic resin for 5min when the temperature in the reaction kettle is cooled to 80 ℃; the laser scanning speed is 1.6m/min, the focal length is 300mm, and the defocusing amount is 30 m.
(3) Mixing 40g of modified phenolic resin subjected to laser treatment, 30g of diacetone alcohol, 10g of filler, 30g of heat-insulating material, 2g of auxiliary agent, 6g of pigment and 30g of deionized water, wherein the filler is talcum powder, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
Example 2
(1) Preparing modified phenolic resin: crushing 60g of phenolic resin to obtain phenolic resin powder, adding 25g of deionized water and 0.2g of tertiary amine into 5g of magnesium aluminum silicate, uniformly mixing and stirring, then adding the phenolic resin powder, stirring and heating, reacting at the temperature of 190 ℃ for 1.5h, and then cooling to obtain modified phenolic resin;
(2) surface treatment of modified phenolic resin: crushing the modified phenolic resin obtained in the step (1), putting the crushed modified phenolic resin into a reaction kettle for sealed heating, heating to 280 ℃ to ensure that the pressure in the reaction kettle is 2.5MPa, carrying out heating reaction for 35min, then introducing condensed water into the shell wall of an interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, simultaneously stirring for rapid cooling, and then carrying out laser treatment on the modified phenolic resin for 7min when the temperature in the reaction kettle is cooled to 80 ℃; the laser scanning speed is 1.7m/min, the focal length is 300mm, and the defocusing amount is 35 m;
(3) mixing 45g of modified phenolic resin subjected to laser treatment, 35g of diacetone alcohol, 11g of filler, 35g of heat-insulating material, 2.5g of auxiliary agent, 7g of pigment and 35g of deionized water, wherein the filler is porous powder quartz, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
Example 3
(1) Preparing modified phenolic resin: crushing 60g of phenolic resin to obtain phenolic resin powder, adding 25g of deionized water and 0.2g of tertiary amine into 5g of magnesium aluminum silicate, uniformly mixing and stirring, then adding the phenolic resin powder, stirring and heating, reacting at the temperature of 190 ℃ for 1.5h, and then cooling to obtain modified phenolic resin;
(2) surface treatment of modified phenolic resin: crushing the modified phenolic resin obtained in the step (1), putting the crushed modified phenolic resin into a reaction kettle for sealed heating, heating to 280 ℃ to ensure that the pressure in the reaction kettle is 2.5MPa, carrying out heating reaction for 35min, then introducing condensed water into the shell wall of an interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, simultaneously stirring for rapid cooling, and then carrying out laser treatment on the modified phenolic resin for 7min when the temperature in the reaction kettle is cooled to 80 ℃; the laser scanning speed is 1.7m/min, the focal length is 300mm, and the defocusing amount is 35 m;
(3) mixing 50g of modified phenolic resin subjected to laser treatment, 40g of diacetone alcohol, 12g of filler, 40g of heat-insulating material, 3g of auxiliary agent, 8g of pigment and 40g of deionized water, wherein the filler is prepared from the following components in a mass ratio of 1: 1, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
Example 4
(1) Preparing modified phenolic resin: crushing 60g of phenolic resin to obtain phenolic resin powder, adding 25g of deionized water and 0.2g of tertiary amine into 5g of magnesium aluminum silicate, uniformly mixing and stirring, then adding the phenolic resin powder, stirring and heating, reacting at the temperature of 190 ℃ for 1.5h, and then cooling to obtain modified phenolic resin;
(2) surface treatment of modified phenolic resin: crushing the modified phenolic resin obtained in the step (1), putting the crushed modified phenolic resin into a reaction kettle for sealed heating, heating to 280 ℃ to ensure that the pressure in the reaction kettle is 2.5MPa, carrying out heating reaction for 35min, then introducing condensed water into the shell wall of an interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, simultaneously stirring for rapid cooling, and then carrying out laser treatment on the modified phenolic resin for 7min when the temperature in the reaction kettle is cooled to 80 ℃; the laser scanning speed is 1.7m/min, the focal length is 300mm, and the defocusing amount is 35 m;
(3) mixing 55g of modified phenolic resin subjected to laser treatment, 45g of diacetone alcohol, 13g of filler, 45g of heat-insulating material, 3.5g of auxiliary agent, 9g of pigment and 45g of deionized water, wherein the filler is prepared from the following components in a mass ratio of 1: 1, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
Example 5
(1) Preparing modified phenolic resin: crushing 60g of phenolic resin to obtain phenolic resin powder, adding 40g of deionized water and 0.3g of tertiary amine into 6g of magnesium aluminum silicate, uniformly mixing and stirring, then adding the phenolic resin powder, stirring and heating, reacting for 2 hours at the temperature of 200 ℃, and then cooling to obtain modified phenolic resin;
(2) surface treatment of modified phenolic resin: crushing the modified phenolic resin obtained in the step (1), putting the crushed modified phenolic resin into a reaction kettle for sealed heating, heating to 300 ℃ to enable the pressure in the reaction kettle to be 3MPa, heating for 40min for reaction, introducing condensed water into the wall of an interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, stirring for rapid cooling, and performing laser treatment on the modified phenolic resin for 8min when the temperature in the reaction kettle is cooled to 80 ℃; the laser scanning speed is 1.8m/min, the focal length is 300mm, and the defocusing amount is 40 m;
(3) mixing 60g of modified phenolic resin subjected to laser treatment, 50g of diacetone alcohol, 14g of filler, 50g of heat-insulating material, 4g of auxiliary agent, 10g of pigment and 50g of deionized water, wherein the filler is prepared from the following components in a mass ratio of 1: 1, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
Comparative example 1
(1) Preparing modified phenolic resin: crushing 60g of phenolic resin to obtain phenolic resin powder, adding 25g of deionized water and 0.2g of tertiary amine into 5g of magnesium aluminum silicate, uniformly mixing and stirring, then adding the phenolic resin powder, stirring and heating, reacting at the temperature of 190 ℃ for 1.5h, and then cooling to obtain modified phenolic resin;
(2) mixing 50g of modified phenolic resin, 40g of diacetone alcohol, 12g of filler, 40g of heat-insulating material, 3g of auxiliary agent, 8g of pigment and 40g of deionized water, wherein the filler is prepared from the following components in a mass ratio of 1: 1, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
Comparative example 2
(1) Surface treatment of phenolic resin: crushing phenolic resin, putting the crushed modified phenolic resin into a reaction kettle for sealed heating, heating to 280 ℃ to ensure that the pressure in the reaction kettle is 2.5MPa, carrying out heating reaction for 35min, then introducing condensed water into the shell wall of an interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, stirring simultaneously for rapid cooling, and then carrying out laser treatment on the modified phenolic resin for 7min when the temperature in the reaction kettle is cooled to 80 ℃; the laser scanning speed is 1.7m/min, the focal length is 300mm, and the defocusing amount is 35 m;
(2) mixing 50g of phenolic resin subjected to laser treatment, 40g of diacetone alcohol, 12g of filler, 40g of heat-insulating material, 3g of auxiliary agent, 8g of pigment and 40g of deionized water, wherein the filler is prepared from the following components in a mass ratio of 1: 1, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
Comparative example 3
Mixing 50g of phenolic resin, 40g of diacetone alcohol, 12g of filler, 40g of heat-insulating material, 3g of auxiliary agent, 8g of pigment and 40g of deionized water, wherein the filler is prepared from the following components in a mass ratio of 1: 1, the heat-insulating material is nano hollow microspheres, the auxiliary agent comprises a flame retardant, a defoaming agent, a light stabilizer, a dispersing agent and a mildew inhibitor, and the mass ratio of the flame retardant to the defoaming agent to the light stabilizer to the dispersing agent to the mildew inhibitor is 1.2: 1: 1: 0.6: 0.8, the flame retardant consists of microencapsulated red phosphorus with the mass fraction of 40%, diammonium phosphate with the mass fraction of 30% and ammonium polyphosphate with the mass fraction of 30%, the antifoaming agent consists of 60% of trialkyl melamine with the mass fraction of 40% and polyether modified silicone oil with the mass fraction of 40%, the light stabilizer consists of 45% of butyl octanol salicylate and 55% of 2-hydroxy-4-n-octoxy benzophenone with the mass fraction of 65%, the dispersant consists of polyethylene glycol with the mass fraction of 35% of stearamide, and the mildew preventive consists of 50% of phenyl mercury oleate with the mass fraction of 50% and 50% of copper sulfate with the mass fraction of 50%, and the product can be obtained after uniform stirring.
System freeze-thaw resistance test method reference JGJ144-2019
The sample is composed of an insulating layer and a protective layer containing a decorative layer, and the size of the sample is 500mm multiplied by 500mm
Freeze thawing for 30 times, each time for 24 hr
Should be soaked in tap water at 20 deg.C for 8 h. When the sample is immersed in water, the finishing layer or protective layer is faced down, the finishing layer is immersed in water, and air bubbles on the surface of the sample are removed.
It should be frozen in a-20 deg.C refrigerator for 16 h. When the test is to be interrupted during the test, the test specimen should be placed in a refrigerator and stored at (-20. + -. 2). degree.C.
After 3 cycles, the samples were observed for cracks, hollows, and drops, and the results are reported in Table 1.
TABLE 1
In summary, the following steps: the invention provides a high-strength heat-preservation and heat-insulation building coating and a preparation method thereof.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A high-strength heat-preservation and heat-insulation building coating is characterized by comprising the following components:
the modified phenolic resin is prepared by modifying phenolic resin through magnesium aluminum silicate, and the preparation and surface treatment of the modified phenolic resin comprise the following steps:
crushing phenolic resin to obtain phenolic resin powder, adding deionized water and a curing agent into magnesium aluminum silicate, mixing and stirring uniformly, then adding the phenolic resin powder, stirring and heating, reacting at the temperature of 180 ℃ and 200 ℃ for 1-2h, and then cooling to obtain modified phenolic resin;
surface treatment of modified phenolic resin: crushing the obtained modified phenolic resin, placing the crushed modified phenolic resin into a reaction kettle for sealing and heating to 260-300 ℃ to ensure that the pressure in the reaction kettle is 2-3MPa, carrying out heating reaction for 30-40min, then introducing condensed water into the shell wall of the interlayer of the reaction kettle to cool the modified phenolic resin in the reaction kettle, simultaneously stirring for rapid cooling, and then carrying out laser treatment on the modified phenolic resin when the temperature in the reaction kettle is cooled to 80 ℃.
2. The high-strength heat-preservation heat-insulation building coating as claimed in claim 1, which is characterized by comprising the following components in parts by weight:
40-60 parts of modified phenolic resin, 30-50 parts of diacetone alcohol, 10-14 parts of filler, 30-50 parts of heat-insulating material, 2-4 parts of auxiliary agent, 6-10 parts of pigment and 30-50 parts of deionized water.
3. The high-strength heat-preservation and heat-insulation building coating as claimed in claim 2, which is characterized by comprising the following components in parts by weight:
45-55 parts of modified phenolic resin, 35-45 parts of diacetone alcohol, 11-13 parts of filler, 35-45 parts of thermal insulation material, 2.5-3.5 parts of auxiliary agent, 7-9 parts of pigment and 35-45 parts of deionized water.
4. A high-strength thermal insulating building coating as claimed in claim 3, wherein said auxiliary agents include flame retardant, defoaming agent, light stabilizer, dispersant and mildewproof agent.
5. A high strength thermal insulating building coating as claimed in claim 3, wherein said filler is one or more of talc, porous quartz and calcium carbonate.
6. A method for preparing a high-strength heat-insulating building coating as claimed in any one of claims 1 to 5, comprising the steps of:
preparing modified phenolic resin;
surface treatment of modified phenolic resin:
and uniformly stirring the modified phenolic resin subjected to laser treatment, diacetone alcohol, a filler, a heat insulation material, an auxiliary agent, a pigment and deionized water to obtain the product.
Priority Applications (1)
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| WO2007000876A1 (en) * | 2005-06-29 | 2007-01-04 | Adeka Corporation | Resin additive composition and resin composition |
| CN102408671A (en) * | 2011-07-22 | 2012-04-11 | 江苏安捷汽车配件有限公司 | Hemp fiber doped saloon car brake pad and preparation process thereof |
| CN107082590A (en) * | 2017-04-24 | 2017-08-22 | 胡伟明 | A kind of complex magnesium aluminum silicate energy-saving and heat-insulating paint and preparation technology |
| CN112390958A (en) * | 2021-01-19 | 2021-02-23 | 泽铱(佛山)工业技术有限公司 | Titanium-based polymer alloy copolymer and preparation method and application thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007000876A1 (en) * | 2005-06-29 | 2007-01-04 | Adeka Corporation | Resin additive composition and resin composition |
| CN102408671A (en) * | 2011-07-22 | 2012-04-11 | 江苏安捷汽车配件有限公司 | Hemp fiber doped saloon car brake pad and preparation process thereof |
| CN107082590A (en) * | 2017-04-24 | 2017-08-22 | 胡伟明 | A kind of complex magnesium aluminum silicate energy-saving and heat-insulating paint and preparation technology |
| CN112390958A (en) * | 2021-01-19 | 2021-02-23 | 泽铱(佛山)工业技术有限公司 | Titanium-based polymer alloy copolymer and preparation method and application thereof |
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