CN108841255A - A kind of VAE method of producing waterproof coating material - Google Patents
A kind of VAE method of producing waterproof coating material Download PDFInfo
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- CN108841255A CN108841255A CN201810517435.1A CN201810517435A CN108841255A CN 108841255 A CN108841255 A CN 108841255A CN 201810517435 A CN201810517435 A CN 201810517435A CN 108841255 A CN108841255 A CN 108841255A
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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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
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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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of VAE method of producing waterproof coating material, include the following steps：(1) modified Nano rectorite slurry is prepared；(2) weighing；(3) mixed liquid material；(4) mixed powder；(5) mixture pumping.VAE method of producing waterproof coating material of the invention, by carrying out to Nano-meter Clay, surface is modified, improve formulation for coating material, optimization mixing sequence and vacuum place the measures steps such as ageing, keep VAE water-repellent paint obtained and the basal plane compatibility of concrete or mortar good, adhesion strength is high, stability, workability, endurance quality and ageing-resistant performance are good, and particulate material sedimentation and wet film sagging phenomenon, integrated artistic step can be prevented simple, strong operability is suitble to industrialized production.
Description
Technical field
The present invention relates to water-repellent paint technical fields, more particularly, to a kind of VAE method of producing waterproof coating material.
Background technique
VAE water-repellent paint is a kind of current common macromolecule flexible waterproof coating, mainly with aqueous ethyl vinyl acetate second
Alkene copolymer emulsion (VAE) is base-material, is equipped with a certain amount of auxiliary agent and filler is blended through special process.Existing VAE waterproof
Coating has the following disadvantages：(1) and the basal plane poor compatibility of concrete or mortar, adhesion strength are low；(2) endurance quality and resistance to old
It is poor to change performance；(3) pinprick stomata is also easy to produce in construction, it is necessary to carry out construction in layer, cover up and down, reduce construction efficiency, together
When existing VAE water-repellent paint in the preparation, without specific order by merging, cause component unevenly distributed, be also easy to produce sedimentation simultaneously
With a large amount of bubbles, workability and waterproof effect are influenced
For example, the Chinese patent of application publication number CN104610876A discloses a kind of silicon rubber waterproof coating preparation work
Nanosized SiO_2, cenosphere are carried out high speed dispersion in the technique by skill, and dispersion effect is poor, and nanosized SiO_2, cenosphere carry out high
Still easily reunite after speed dispersion, while being eventually adding bentonite and organic silicon defoamer, bentonitic addition can make to apply
Material, which generates, to be reunited and settles, and organic silicon defoamer will increase cost, while can also influence the performance of coating to a certain extent,
It is had the following defects additionally by the silicon rubber waterproof coating that the technique obtains：(1) silicon rubber waterproof coating is that macromolecule is soft
Property water-repellent paint, the basal plane poor compatibility with concrete or mortar, adhesion strength are low；(2) contain bentonite, bentonite companion has
Machine matter and deeper other dirts of form and aspect, lead to coating hue difference；(3) it is also easy to produce pin hole in construction, influences waterproof effect
Fruit；(4) the easy sagging of wet film after construction, causes in uneven thickness, influences waterproof effect；(5) nanosized SiO_2 is not easy evenly dispersed,
Easily reunite.
Summary of the invention
The present invention is to provide one kind to solve the above problem present in the water-repellent paint preparation process of the prior art
Processing step is simple, strong operability, is suitble to the VAE method of producing waterproof coating material of industrialized production, VAE water-repellent paint obtained
Good with the basal plane compatibility of concrete or mortar, adhesion strength is high, stability, workability, endurance quality and resistance to ag(e)ing
Can be good, particulate material sedimentation and wet film sagging phenomenon can be prevented.
To achieve the goals above, the present invention uses following technical scheme：
A kind of VAE method of producing waterproof coating material of the invention, includes the following steps：
(1) modified Nano rectorite slurry is prepared
It weighs 100g Nano-meter Clay to be distributed in distilled water, stirs at least 2h at normal temperature, obtain mass percentage
For 1.5% suspension；8g sodium carbonate is taken, sodium carbonate liquor is obtained after being dissolved with suitable quantity of water, sodium carbonate liquor is added to suspension
It in liquid, after stirring and reacting at least 2h, is aged at least for 24 hours in 30 DEG C of waters bath with thermostatic control, obtains sodium base Nano-meter Clay slurry；In sodium
25g octadecyltrimethylammonium chloride and appropriate dodecyl dimethyl tertiary amine oxide are added in base Nano-meter Clay slurry, adjusts
80~90 DEG C are warming up to after section pH to 6.5~7, after stirring at least 3h at this temperature, 20~25 DEG C is naturally cooled to and changes to obtain the final product
Property Nano-meter Clay slurry.Sodium carbonate is first passed through in the present invention natural calcium base rectorite is modified to obtain sodium base rectorite,
Intercalation modifying is carried out to Nano-meter Clay using octadecyltrimethylammonium chloride again, makes it have better dispersion performance and table
Face performance, not easy to reunite, sedimentation increase the viscosity of system and consistency, play the sedimentation for preventing or slowing down particulate matter in coating
Effect.
(2) weighing
Each component is weighed by following weight：40~45 parts of VAE lotions, 15~20 parts of acrylic emulsions, 5~10 parts
Without soap organosilicon rubber emulsion, 3~8 parts of modified Nano rectorite slurries, 0.2~0.4 part of alkyl phenol polyoxyethylene ether, 1~1.5
Part Sodium Polyacrylate, 0.5~1 part of ethylene glycol monobutyl ether, 1~1.5 part of lithium magnesium silicate, 1~2 part 2,2,4- trimethyls -1,3- penta
Monoisobutyrate, 20~25 parts of talcum powder, 0.3~0.5 part of polycarboxylic acids ammonium salt, 0.5~1 part of Antisepticize and mildew preventive, 15~20
Part water, appropriate pH regulator.
In the present invention in addition to modified Nano rectorite slurry is self-control, remaining component is commercial product；The present invention is to VAE
The formula of water-repellent paint is improved and optimizated, and water-repellent paint most importantly selectes base-material, with VAE cream in the present invention
Liquid, acrylic emulsion and compounding is carried out as base-material without three kinds of polymer emulsions of soap organosilicon rubber emulsion, VAE lotion in base-material
Content highest, VAE lotion has excellent compatibility, and can guarantee the flexibility and elasticity of coating, and acrylic emulsion can reduce
The surface tension of coating improves coating to the wettability of concrete or mortar basal plane, to be conducive to improve coating and concrete
Or the adhesion strength of mortar basal plane, no soap organosilicon rubber emulsion have very excellent high and low temperature resistance, under high temperature (or spoke
Penetrate irradiation) chemical bond of molecule is not broken, does not decompose, and when low temperature, still has very high extension property, either chemical property
Or physical mechanical property, variation with temperature all very littles, therefore the lotion can use within the scope of a very wide temperature, in addition
No soap organosilicon rubber emulsion is not easy to be decomposed by ultraviolet light and ozone, but higher cost, it is therefore desirable to which control is without soap organosilicon rubber
The additional amount of latex solution, comprehensively considers, with 40~45 parts of VAE lotions in the present invention, 15~20 parts of acrylic emulsions, and 5~10 parts
No soap organosilicon rubber emulsion as base-material, on the basis of controlling cost, farthest improve adhesion strength of the present invention,
Elasticity, weatherability and resistance to ag(e)ing；It also added modified Nano rectorite slurry in the present invention, the modified Nano in the slurry is tired
Support soil is uniformly dispersed, not easy to reunite, has good dispersibility, suspension and levelability, so that coating film forming is smooth, after film forming
It is not likely to produce pin hole, in addition, modified Nano rectorite has good UV blocking capability, can be further improved the resistance to of coating
Hou Xing, meanwhile, modified Nano rectorite has the quantum effect of nano material, can greatly improve the adhesive force of coating, most important
, modified Nano rectorite have bigger specific surface area, which increases with certain polarity in polymer emulsion in coating
The absorption and crosslinked action of group such as hydroxyl, epoxy group and alkoxy etc. make the organic matter in modified Nano rectorite and coating
It is connected to each other to form network structure, increases the viscosity of system and consistency, play the sedimentation for preventing or slowing down particulate matter in coating
Effect, but the dosage of strict control modified Nano rectorite slurry is answered, it otherwise can generate false thickening behavior；Coating levelability and touching
The balance of denaturation is also technology very crucial in the present invention, to make every effort to thixotropy sufficiently take into account levelability, is accomplished best
Balance selects 0.5~1 part of ethylene glycol monobutyl ether as levelling to obtain ideal rheological property and construction effect in the present invention
Agent, the lithium magnesium silicate for selecting 1~1.5 part of purity high thixotropic good is as thixotropic agent；Alkyl phenol polyoxyethylene ether is wetting agent；It is poly-
Sodium acrylate is anti-sagging agent, can prevent wet film sagging；2,2,4- trimethyl -1,3- pentanediol mono isobutyrate is that film forming helps
Agent can reduce minimum film formation temperature, can also improve the performances such as weatherability, the washable property of paint film；Talcum powder as filler not only
Cost can be reduced, moreover it is possible to improve the weatherability and mechanical property of film, combine the performance of base-material and the reality of coating in the present invention
It is required that selecting index of refraction greatly and the talcum powder of workability can be improved as filler；Polycarboxylic acids ammonium salt (Orotan1124) is point
Powder, has good low bubble performance, and compatibility is splendid；It is mouldy that Antisepticize and mildew preventive prevents microorganism from causing.
(3) mixed liquid material
It mixes, stirs with water by VAE lotion, acrylic emulsion, without soap organosilicon rubber emulsion, modified Nano rectorite slurry
After mixing 1~2min, alkyl phenol polyoxyethylene ether, ethylene glycol monobutyl ether, 2,2,4- trimethyl -1,3- pentanediol list isobutyric acids are added
Ester stirs evenly to obtain liquid material.
(4) mixed powder
Sodium Polyacrylate, lithium magnesium silicate, talcum powder, polycarboxylic acids ammonium salt and Antisepticize and mildew preventive are uniformly mixed, powder is obtained.
(5) mixture pumping
PH regulator is added to adjust liquid material pH to after 8~8.5, powder is added in feed liquid, after being dispersed with stirring uniformly, in
At least 2h is placed under vacuum condition to get VAE water-repellent paint.Coating is relatively stable in the range of pH8~8.5, therefore this hair
Bright middle first adjustment liquid material pH is so that effect caused by pH difference minimizes, to improve the stability of coating；In sky after dispersion
Under the conditions of place ageing, can be by removal of bubbles in coating, there is no need to add defoaming agent.
Preferably, the Antisepticize and mildew preventive is titanium dioxide carrying silver antimicrobials.Titanium dioxide carrying silver antimicrobials are abilities
The common antibacterial agent in domain, combines the broad spectrum activity of silver-ion antibiotic, and not only germicidal efficiency is high but also is not likely to produce drug resistance, has
Have the advantages that anti-microbial property is stable, the bactericidal effect time is long, do not influenced by light, is easy to use, preparation method can refer to《It receives
The preparation and its research to Cotton Fabric of rice carrying silver antimicrobials》The preparation of middle types of nano-silver base inorganic antibacterial agents.
Preferably, the talcum powder fineness is 400~800 mesh.
Preferably, the pH regulator is ammonium hydroxide.
Therefore, the present invention has the advantages that：A kind of VAE method of producing waterproof coating material is provided, by nanometer
Rectorite carries out modified surface, improvement formulation for coating material, optimization mixing sequence and vacuum and places the measures steps such as ageing, makes to be made
VAE water-repellent paint and the basal plane compatibility of concrete or mortar it is good, adhesion strength is high, stability, workability, durability
Can be good with ageing-resistant performance, particulate material sedimentation and wet film sagging phenomenon can be prevented, processing step is simple, strong operability, is suitble to
Industrialized production.
Specific embodiment
Below by specific embodiment, the present invention will be further described.
Embodiment 1
(1) modified Nano rectorite slurry is prepared
It weighs 100g Nano-meter Clay to be distributed in distilled water, stirs at least 2h at normal temperature, obtain mass percentage
For 1.5% suspension；8g sodium carbonate is taken, sodium carbonate liquor is obtained after being dissolved with suitable quantity of water, sodium carbonate liquor is added to suspension
It in liquid, after stirring and reacting at least 2h, is aged at least for 24 hours in 30 DEG C of waters bath with thermostatic control, obtains sodium base Nano-meter Clay slurry；In sodium
25g octadecyltrimethylammonium chloride and appropriate dodecyl dimethyl tertiary amine oxide are added in base Nano-meter Clay slurry, adjusts
80~90 DEG C are warming up to after section pH to 6.5~7, after stirring at least 3h at this temperature, 20~25 DEG C is naturally cooled to and changes to obtain the final product
Property Nano-meter Clay slurry；
(2) weighing
By 40kgVAE lotion, 20kg acrylic emulsion, 10kg is without soap organosilicon rubber emulsion, 8kg modified Nano rectorite
Slurry, 0.4kg alkyl phenol polyoxyethylene ether, 1.5kg Sodium Polyacrylate, 1kg ethylene glycol monobutyl ether, 1.5kg lithium magnesium silicate,
2kg2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, 25kg fineness be 800 mesh talcum powder, 0.5kg polycarboxylic acids ammonium salt,
The quality proportioning of 1kg Antisepticize and mildew preventive (titanium dioxide carrying silver antimicrobials), 20kg water, appropriate pH regulator (ammonium hydroxide) weighs each group
Point；
(3) mixed liquid material
It mixes, stirs with water by VAE lotion, acrylic emulsion, without soap organosilicon rubber emulsion, modified Nano rectorite slurry
After mixing 2min, addition alkyl phenol polyoxyethylene ether, ethylene glycol monobutyl ether, 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates,
Stir evenly to obtain liquid material；
(4) mixed powder
Sodium Polyacrylate, lithium magnesium silicate, talcum powder, polycarboxylic acids ammonium salt and Antisepticize and mildew preventive are uniformly mixed, powder is obtained；
(5) mixture pumping
PH regulator is added to adjust liquid material pH to after 8.5, powder is added in feed liquid, after being dispersed with stirring uniformly, Yu Zhen
At least 2h is placed under empty condition to get VAE water-repellent paint.
Comparative example 1
Comparative example 1 difference from example 1 is that：Polymer emulsion only adds VAE lotion, and additive amount, which is equal to, to be implemented
VAE lotion, acrylic emulsion in example 1, without soap organosilicon rubber emulsion quality sum, remaining is identical with embodiment 1.
Comparative example 2
Comparative example 2 difference from example 1 is that：Polymer emulsion only adds acrylic emulsion, and additive amount is equal to
VAE lotion, acrylic emulsion in embodiment 1, without soap organosilicon rubber emulsion quality sum, remaining is identical with embodiment 1.
Comparative example 3
Comparative example 3 difference from example 1 is that：Polymer emulsion only adds no soap organosilicon rubber emulsion, adds
Dosage is equal to VAE lotion, acrylic emulsion in embodiment 1, without soap organosilicon rubber emulsion quality sum, remaining and embodiment 1
It is identical.
Comparative example 4
Comparative example 4 difference from example 1 is that：Modified Nano rectorite slurry is not added, remaining and implementation
Example 1 is identical.
The water-repellent paint comprehensive performance in embodiment 1, comparative example 1~4 is surveyed according to GB/16777-2008 related request
Examination, obtained test result are as shown in table 1：
Water-repellent paint all-round property testing result in 1 embodiment 1 of table, comparative example 1~4
As it can be seen from table 1 using VAE lotion, acrylic emulsion and without three kinds of polymer creams of soap organosilicon rubber emulsion
Liquid, which carries out compounding as base-material, can improve paint adhesion intensity, elasticity, weatherability and resistance to ag(e)ing produced by the present invention, and addition changes
Property Nano-meter Clay slurry can dramatically increase paint adhesion intensity and intensity produced by the present invention, coating obtained through the invention
Comprehensive performance is good.
Embodiment 2
(1) modified Nano rectorite slurry is prepared
It weighs 100g Nano-meter Clay to be distributed in distilled water, stirs at least 2h at normal temperature, obtain mass percentage
For 1.5% suspension；8g sodium carbonate is taken, sodium carbonate liquor is obtained after being dissolved with suitable quantity of water, sodium carbonate liquor is added to suspension
It in liquid, after stirring and reacting at least 2h, is aged at least for 24 hours in 30 DEG C of waters bath with thermostatic control, obtains sodium base Nano-meter Clay slurry；In sodium
25g octadecyltrimethylammonium chloride and appropriate dodecyl dimethyl tertiary amine oxide are added in base Nano-meter Clay slurry, adjusts
80~90 DEG C are warming up to after section pH to 6.5~7, after stirring at least 3h at this temperature, 20~25 DEG C is naturally cooled to and changes to obtain the final product
Property Nano-meter Clay slurry；
(2) weighing
By 42kgVAE lotion, 18kg acrylic emulsion, 8kg is without soap organosilicon rubber emulsion, 7kg modified Nano rectorite
Slurry, 0.3kg alkyl phenol polyoxyethylene ether, 1.2kg Sodium Polyacrylate, 0.8kg ethylene glycol monobutyl ether, 1.2kg lithium magnesium silicate,
1.5kg2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, 22kg fineness be 600 mesh talcum powder, 0.4kg polycarboxylic acids ammonium salt,
The quality proportioning of 0.8kg Antisepticize and mildew preventive (titanium dioxide carrying silver antimicrobials), 18kg water, appropriate pH regulator (ammonium hydroxide) weighs respectively
Component；
(3) mixed liquid material
It mixes, stirs with water by VAE lotion, acrylic emulsion, without soap organosilicon rubber emulsion, modified Nano rectorite slurry
After mixing 1.5min, alkyl phenol polyoxyethylene ether, ethylene glycol monobutyl ether, 2,2,4- trimethyl -1,3- pentanediol list isobutyric acids are added
Ester stirs evenly to obtain liquid material.
(4) mixed powder
Sodium Polyacrylate, lithium magnesium silicate, talcum powder, polycarboxylic acids ammonium salt and Antisepticize and mildew preventive are uniformly mixed, powder is obtained.
(5) mixture pumping
PH regulator is added to adjust liquid material pH to after 8.2, powder is added in feed liquid, after being dispersed with stirring uniformly, Yu Zhen
At least 2h is placed under empty condition to get VAE water-repellent paint.
Embodiment 3
(1) modified Nano rectorite slurry is prepared
It weighs 100g Nano-meter Clay to be distributed in distilled water, stirs at least 2h at normal temperature, obtain mass percentage
For 1.5% suspension；8g sodium carbonate is taken, sodium carbonate liquor is obtained after being dissolved with suitable quantity of water, sodium carbonate liquor is added to suspension
It in liquid, after stirring and reacting at least 2h, is aged at least for 24 hours in 30 DEG C of waters bath with thermostatic control, obtains sodium base Nano-meter Clay slurry；In sodium
25g octadecyltrimethylammonium chloride and appropriate dodecyl dimethyl tertiary amine oxide are added in base Nano-meter Clay slurry, adjusts
80 DEG C are warming up to after section pH to 6.5, after stirring at least 3h at this temperature, naturally cools to 20 DEG C up to modified Nano rectorite
Slurry；
(2) weighing
By 40kgVAE lotion, 15kg acrylic emulsion, 5kg is without soap organosilicon rubber emulsion, 3kg modified Nano rectorite
Slurry, 0.2kg alkyl phenol polyoxyethylene ether, 1kg Sodium Polyacrylate, 0.5kg ethylene glycol monobutyl ether, 1kg lithium magnesium silicate, 1kg2,
2,4- trimethyl -1,3- pentanediol mono isobutyrates, 20kg fineness are 400 mesh talcum powder, 0.3kg polycarboxylic acids ammonium salt, and 0.5kg is anti-
Rotten mould inhibitor (titanium dioxide carrying silver antimicrobials), the quality proportioning of 15kg water, appropriate pH regulator (ammonium hydroxide) weigh each component；
(3) mixed liquid material
It mixes, stirs with water by VAE lotion, acrylic emulsion, without soap organosilicon rubber emulsion, modified Nano rectorite slurry
After mixing 1min, addition alkyl phenol polyoxyethylene ether, ethylene glycol monobutyl ether, 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates,
Stir evenly to obtain liquid material.
(4) mixed powder
Sodium Polyacrylate, lithium magnesium silicate, talcum powder, polycarboxylic acids ammonium salt and Antisepticize and mildew preventive are uniformly mixed, powder is obtained.
(5) mixture pumping
PH regulator is added to adjust liquid material pH to after 8, powder is added in feed liquid, after being dispersed with stirring uniformly, in vacuum
Under the conditions of place at least 2h to get VAE water-repellent paint.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (4)
1. a kind of VAE method of producing waterproof coating material, which is characterized in that include the following steps：
(1) modified Nano rectorite slurry is prepared
It weighs 100g Nano-meter Clay to be distributed in distilled water, stirs at least 2h at normal temperature, obtaining mass percentage is
1.5% suspension；8g sodium carbonate is taken, sodium carbonate liquor is obtained after being dissolved with suitable quantity of water, sodium carbonate liquor is added to suspension
In, it after stirring and reacting at least 2h, is aged at least for 24 hours in 30 DEG C of waters bath with thermostatic control, obtains sodium base Nano-meter Clay slurry；In sodium base
25g octadecyltrimethylammonium chloride and appropriate dodecyl dimethyl tertiary amine oxide are added in Nano-meter Clay slurry, adjusts
It is warming up to 80~90 DEG C after pH to 6.5~7, after stirring at least 3h at this temperature, naturally cools to 20~25 DEG C up to modified
Nano-meter Clay slurry；
(2) weighing
Each component is weighed by following weight：40~45 parts of VAE lotions, 15~20 parts of acrylic emulsions, 5~10 parts without soap
Organosilicon rubber emulsion, 3~8 parts of modified Nano rectorite slurries, 0.2~0.4 part of alkyl phenol polyoxyethylene ether, 1~1.5 part poly-
Sodium acrylate, 0.5~1 part of ethylene glycol monobutyl ether, 1~1.5 part of lithium magnesium silicate, 1~2 part 2,2,4- trimethyl -1,3- pentanediols
Mono isobutyrate, 20~25 parts of talcum powder, 0.3~0.5 part of polycarboxylic acids ammonium salt, 0.5~1 part of Antisepticize and mildew preventive, 15~20 parts of water,
Appropriate pH regulator；
(3) mixed liquid material
It is mixed by VAE lotion, acrylic emulsion, without soap organosilicon rubber emulsion, modified Nano rectorite slurry with water, stirring 1
After~2min, addition alkyl phenol polyoxyethylene ether, ethylene glycol monobutyl ether, 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates,
Stir evenly to obtain liquid material；
(4) mixed powder
Sodium Polyacrylate, lithium magnesium silicate, talcum powder, polycarboxylic acids ammonium salt and Antisepticize and mildew preventive are uniformly mixed, powder is obtained；
(5) mixture pumping
PH regulator is added to adjust liquid material pH to after 8~8.5, powder is added in feed liquid, after being dispersed with stirring uniformly, in vacuum
Under the conditions of place at least 2h to get VAE water-repellent paint.
2. a kind of VAE method of producing waterproof coating material according to claim 1, which is characterized in that the Antisepticize and mildew preventive is
Titanium dioxide carrying silver antimicrobials.
3. a kind of VAE method of producing waterproof coating material according to claim 1, which is characterized in that the talcum powder fineness is
400~800 mesh.
4. a kind of VAE method of producing waterproof coating material according to claim 1, which is characterized in that the pH regulator is ammonia
Water.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110628277A (en) * | 2019-09-09 | 2019-12-31 | 青岛科技大学 | Heat insulation functional material for fire scene and preparation method thereof |
| CN115101141A (en) * | 2022-06-24 | 2022-09-23 | 湖北远见高新材料有限公司 | Formula optimization method and system of water-based industrial coating |
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