CN114806409A - Heat-insulating water-based non-cured waterproof coating and preparation method thereof - Google Patents
Heat-insulating water-based non-cured waterproof coating and preparation method thereof Download PDFInfo
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- CN114806409A CN114806409A CN202210358262.XA CN202210358262A CN114806409A CN 114806409 A CN114806409 A CN 114806409A CN 202210358262 A CN202210358262 A CN 202210358262A CN 114806409 A CN114806409 A CN 114806409A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000000576 coating method Methods 0.000 title claims abstract description 61
- 239000011248 coating agent Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000010426 asphalt Substances 0.000 claims abstract description 126
- 239000002270 dispersing agent Substances 0.000 claims abstract description 70
- 239000000839 emulsion Substances 0.000 claims abstract description 68
- 229920000642 polymer Polymers 0.000 claims abstract description 49
- 239000000945 filler Substances 0.000 claims abstract description 43
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 42
- 239000012628 flowing agent Substances 0.000 claims abstract description 41
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000000084 colloidal system Substances 0.000 claims abstract description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 45
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 30
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 15
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 15
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 15
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 15
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 15
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 12
- 229910000077 silane Inorganic materials 0.000 claims description 12
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- -1 polyoxypropylene glycerol Polymers 0.000 claims description 3
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000005303 weighing Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Abstract
The invention relates to the field of waterproof coatings, in particular to a heat-insulating water-based non-cured waterproof coating and a preparation method thereof, wherein the heat-insulating water-based non-cured waterproof coating comprises the following raw material components in parts by weight: 65-80 parts of emulsified asphalt, 0.3-0.5 part of anti-flowing agent, 5-15 parts of modified polymer emulsion, 0.3-1 part of defoaming agent, 0.1-0.5 part of dispersing agent and 5-20 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is increased to 180 ℃, the mixture is stirred and sheared for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10 minutes to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Description
Technical Field
The invention relates to the field of waterproof coatings, in particular to a heat-insulating water-based non-cured waterproof coating and a preparation method thereof.
Background
Non-curable waterproof coatings are an important type of coating, and are generally classified into oil-based non-curable waterproof coatings and water-based non-curable waterproof coatings according to their solvent systems. The existing non-curing waterproof coating is generally an oily material, the material is in a solid state in a packaging barrel, the material can be used after being heated to about 150-170 ℃ by fire or electric heating during use and becoming liquid, the heating process is long in time, and the risk of being scalded exists in the use process. Traditional non-curing waterproof coating can lead to the construction heating time to prolong greatly if add heat preservation and insulation material, therefore it is necessary to develop a waterborne non-curing waterproof coating, can construct under the normal atmospheric temperature, need not heating, construction convenience, equipment requirement are lower etc. receive people's favor, in addition through adding other material for waterproof coating has functions such as thermal-insulated, heat preservation.
Disclosure of Invention
The invention aims to overcome the technical defects in the prior art and provide a heat-insulating water-based non-curing waterproof coating and a preparation method thereof.
In order to achieve the purpose, the invention provides a heat-insulating water-based non-cured waterproof coating which comprises the following components in parts by weight: 65-80 parts of emulsified asphalt, 0.3-0.5 part of anti-flowing agent, 5-15 parts of modified polymer emulsion, 0.3-1 part of defoaming agent, 0.1-0.5 part of dispersing agent and 5-20 parts of filler;
preferably: the solid content of the modified polymer emulsion is 45-55%.
Preferably, the heat-insulating water-based non-cured waterproof coating comprises the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler; the modified polymer emulsion had a solids content of 50%.
Preferably, the emulsified asphalt is at least one of asphalt No. 70, asphalt No. 90, asphalt No. 110, and asphalt No. 130.
Preferably, the emulsified asphalt may be replaced with modified asphalt.
Preferably, the anti-flowing agent comprises hydroxypropyl methyl cellulose ether and a monoisocyanate end-capping prepolymer, wherein the mass ratio of the hydroxypropyl methyl cellulose ether to the monoisocyanate end-capping prepolymer is as follows: 3:2
Preferably, the modified polymer emulsion is a modified VAE emulsion and/or a modified acrylate emulsion.
Preferably, the defoaming agent is one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether or polyoxypropylene glycerol ether.
Preferably, the dispersant is at least one of titanate dispersant, silane dispersant and carboxylic acid dispersant.
Preferably, the filler is at least one of nano calcium carbonate, precipitated barium sulfate, heavy calcium carbonate, light calcium carbonate and talcum powder.
The invention also provides a preparation method of the heat-insulating and heat-preserving water-based non-cured waterproof coating, which comprises the steps of firstly heating and melting the asphalt, adding the anti-flowing agent after the asphalt is melted, heating to 180 ℃, stirring and shearing for 1 hour, then enabling the completely mixed asphalt to flow into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then slowly adding the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler, and fully stirring for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
The waterproof coating prepared by the method provided by the invention has the characteristic of long-term non-curing, can keep the initial viscous state for a long time, has good waterproof performance, creep property, adhesive property and self-healing waterproof performance, and also has excellent salt resistance, can keep excellent waterproof performance and adhesive property in a salt environment, and has long service life and strong salt resistance.
The invention adds a certain anti-flowing agent, modified polymer emulsion, defoamer, dispersant and filler after the matrix asphalt is heated, the high temperature resistance and the low temperature resistance are excellent, and the emulsion is formed into the water-based non-cured waterproof coating by stirring after the asphalt emulsion is modified. Compared with the common waterproof roll, the heat-insulating and heat-preserving water-based non-cured waterproof coating has the advantages of good waterproof performance, creep performance, adhesive performance, self-healing waterproof performance, heat preservation, heat insulation and the like, has the characteristics of simple production process, convenience in construction, excellent weather resistance and the like, and can be widely used for waterproofing of various base surfaces.
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The invention provides a heat-insulating water-based non-cured waterproof coating which comprises the following components in parts by weight: 65-80 parts of emulsified asphalt, 0.3-0.5 part of anti-flowing agent, 5-15 parts of modified polymer emulsion, 0.3-1 part of defoaming agent, 0.1-0.5 part of dispersing agent and 5-20 parts of filler;
the solid content of the modified polymer emulsion is 45-55%.
The heat-insulating water-based non-cured waterproof coating comprises the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler; the modified polymer emulsion had a solids content of 50%.
The emulsified asphalt is at least one of No. 70 asphalt, No. 90 asphalt, No. 110 asphalt and No. 130 asphalt.
The emulsified asphalt can be replaced by modified asphalt.
The anti-flowing agent comprises hydroxypropyl methyl cellulose ether and a monoisocyanate terminated prepolymer, wherein the mass ratio of the hydroxypropyl methyl cellulose ether to the monoisocyanate terminated prepolymer is as follows: 3:2
The modified polymer emulsion is modified VAE emulsion and/or modified acrylate emulsion.
The defoaming agent is one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether or polyoxypropylene glycerol ether.
The dispersant is at least one of titanate dispersant, silane dispersant and carboxylic acid dispersant.
The filler is at least one of nano calcium carbonate, precipitated barium sulfate, heavy calcium carbonate, light calcium carbonate and talcum powder.
The invention also provides a preparation method of the heat-insulating and heat-preserving water-based non-cured waterproof coating, which comprises the steps of firstly heating and melting the asphalt, adding the anti-flowing agent after the asphalt is melted, heating to 180 ℃, stirring and shearing for 1 hour, then enabling the completely mixed asphalt to flow into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then slowly adding the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler, and fully stirring for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
The present invention will be described in detail below by way of examples.
Example 1
This example is used to illustrate a thermal insulation water-based non-curable waterproof coating material according to the present invention.
Weighing the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the stirring and the shearing are carried out for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 90 asphalt and No. 110 asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 2
This example is used to illustrate a thermal insulation water-based non-curable waterproof coating material according to the present invention.
Weighing the following components in parts by weight: 65 parts of emulsified asphalt, 0.3 part of anti-flowing agent, 5 parts of modified polymer emulsion, 0.3 part of defoaming agent, 0.1 part of dispersing agent and 5 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, stirring and shearing are carried out for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ and is mixed with water to form emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10 minutes to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 70 asphalt and No. 130 asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 3
This example is used to illustrate a thermal insulation water-based non-curable waterproof coating material according to the present invention.
Weighing the following components in parts by weight: 80 parts of emulsified asphalt, 0.5 part of anti-flowing agent, 15 parts of modified polymer emulsion, 1 part of defoaming agent, 0.5 part of dispersing agent and 20 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, stirring and shearing are carried out for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 90 asphalt and No. 110 asphalt;
wherein the anti-flowing agent is 0.3 part of hydroxypropyl methyl cellulose ether and 0.2 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified acrylate emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether;
wherein the dispersing agent is titanate dispersing agent and silane dispersing agent;
wherein the filler is nano calcium carbonate and precipitated barium sulfate.
Example 4
This example is used to illustrate a thermal insulation water-based non-curable waterproof coating material according to the present invention.
Weighing the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the stirring and the shearing are carried out for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is replaced by modified asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 5
Weighing the following components in parts by weight: 75 parts of emulsified common asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the mixture is stirred and sheared for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is common asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 6
Weighing the following components in parts by weight: 75 parts of emulsified asphalt, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler, wherein the asphalt is heated and melted, the anti-flow agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the mixture is stirred and sheared for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ and is mixed with water to form the emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10 minutes to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 90 asphalt and No. 110 asphalt;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 7
This example is used to illustrate a thermal insulation water-based non-curable waterproof coating material according to the present invention.
Weighing the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the mixture is stirred and sheared for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ and is mixed with water to form the emulsified asphalt, then the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 90 asphalt and No. 110 asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 8
This example is used to illustrate a thermal insulation water-based non-curable waterproof coating material according to the present invention.
Weighing the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.3 part of dispersing agent and 13.5 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the mixture is stirred and sheared for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ and is mixed with water to form the emulsified asphalt, then the modified polymer emulsion, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5-10 minutes to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 90 asphalt and No. 110 asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 9
This example is used to illustrate a thermal insulation water-based non-curable waterproof coating material according to the present invention.
Weighing the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent and 13.5 parts of filler, wherein the asphalt is heated and melted, the anti-flowing agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the mixture is stirred and sheared for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ and is mixed with water to form the emulsified asphalt, then the modified polymer emulsion, the defoaming agent and the filler are slowly added, and the mixture is fully stirred for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 90 asphalt and No. 110 asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the filler is precipitated barium sulfate and ground calcium carbonate.
Example 10
This example is for illustrating the present invention, a heat-insulating and water-based non-curable waterproof coating.
Weighing the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent and 0.3 part of dispersing agent, heating to melt the asphalt, adding the anti-flowing agent after the asphalt is melted, heating to 180 ℃, stirring and shearing for 1 hour, then flowing the completely mixed asphalt into a colloid mill with the temperature of more than 90 ℃ to be mixed with water to form emulsified asphalt, then slowly adding the modified polymer emulsion, the defoaming agent and the dispersing agent, and fully stirring for 5-10min to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
Wherein the emulsified asphalt is No. 90 asphalt and No. 110 asphalt;
wherein the anti-flowing agent is 0.24 part of hydroxypropyl methyl cellulose ether and 0.16 part of monoisocyanate end-capping prepolymer;
wherein the modified polymer emulsion is a modified VAE emulsion;
wherein the defoaming agent is polyoxyethylene polyoxypropylene ether;
wherein the dispersant is silane dispersant and carboxylic acid dispersant;
the tests of the heat-insulating and heat-preserving water-based non-curable waterproof coating materials of the above examples 1-10 were carried out, wherein the examples 1-5 had good properties, and the properties of the examples 6-10 were very different from those of the examples 1-5, and could not achieve the excellent properties of the present invention,
the invention adds certain flow-resistant agent, modified polymer emulsion, defoaming agent, dispersing agent and filler after the substrate asphalt is heated, the high temperature resistance and low temperature resistance are excellent, and the emulsion is formed into the water-based non-cured waterproof coating by stirring the modified asphalt emulsion. Compared with common waterproof coiled materials, the heat-insulating water-based non-cured waterproof coating has good waterproof performance, creep property, adhesive property and self-healing waterproof performance, has the functions of heat insulation and the like, has the characteristics of simple production process, convenience in construction, excellent weather resistance and the like, and can be widely used for waterproofing of various base surfaces.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. The heat-insulating water-based non-curing waterproof coating is characterized in that: the composition comprises the following components in parts by weight: 65-80 parts of emulsified asphalt, 0.3-0.5 part of anti-flowing agent, 5-15 parts of modified polymer emulsion, 0.3-1 part of defoaming agent, 0.1-0.5 part of dispersing agent and 5-20 parts of filler;
the solid content of the modified polymer emulsion is 45-55%.
2. The heat-insulating water-based non-cured waterproof coating as claimed in claim 1, wherein the heat-insulating water-based non-cured waterproof coating comprises the following components in parts by weight: 75 parts of emulsified asphalt, 0.4 part of anti-flowing agent, 10 parts of modified polymer emulsion, 0.6 part of defoaming agent, 0.3 part of dispersing agent and 13.5 parts of filler;
the modified polymer emulsion had a solids content of 50%.
3. The heat-insulating and heat-preserving water-based non-curable waterproof coating material according to claim 1, wherein the emulsified asphalt is at least one of asphalt No. 70, asphalt No. 90, asphalt No. 110 and asphalt No. 130.
4. The heat-insulating water-based non-curable waterproof coating material according to claim 1, wherein the emulsified asphalt is replaced with modified asphalt.
5. The heat-insulating and heat-preserving water-based non-curable waterproof coating as claimed in claim 1, wherein the anti-flowing agent comprises hydroxypropyl methyl cellulose ether and monoisocyanate terminated prepolymer, wherein the mass ratio of the hydroxypropyl methyl cellulose ether to the monoisocyanate terminated prepolymer is as follows: 3:2.
6. The heat-insulating and heat-preserving water-based non-cured waterproof coating material as claimed in claim 1, wherein the modified polymer emulsion is a modified VAE emulsion and/or a modified acrylate emulsion.
7. The heat-insulating water-based non-curable waterproof coating material according to claim 1, wherein the defoaming agent is one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether or polyoxypropylene glycerol ether.
8. The heat-insulating and heat-preserving aqueous non-curable waterproof coating material according to claim 1, wherein the dispersant is at least one of a titanate dispersant, a silane dispersant and a carboxylic acid dispersant.
9. The heat-insulating water-based non-curable waterproof coating material according to claim 1, wherein the filler is at least one of nano calcium carbonate, precipitated barium sulfate, heavy calcium carbonate, light calcium carbonate and talc.
10. The method for preparing the heat-insulating and heat-preserving water-based non-cured waterproof coating as claimed in any one of claims 1 to 9, wherein the asphalt is heated and melted, the anti-flow agent is added after the asphalt is melted, the temperature is raised to 180 ℃, the stirring and the shearing are carried out for 1 hour, then the completely mixed asphalt flows into a colloid mill with the temperature of more than 90 ℃ and is mixed with water to form emulsified asphalt, then the modified polymer emulsion, the defoaming agent, the dispersing agent and the filler are slowly added, and the mixture is fully stirred for 5 to 10 minutes to obtain the heat-insulating and heat-preserving water-based non-cured waterproof coating.
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