CN109825152A - A kind of inner wall surface basis protective coating and preparation method thereof - Google Patents
A kind of inner wall surface basis protective coating and preparation method thereof Download PDFInfo
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- CN109825152A CN109825152A CN201910115243.2A CN201910115243A CN109825152A CN 109825152 A CN109825152 A CN 109825152A CN 201910115243 A CN201910115243 A CN 201910115243A CN 109825152 A CN109825152 A CN 109825152A
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- mixed liquor
- wall surface
- protective coating
- surface basis
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Abstract
The present invention discloses a kind of inner wall surface basis protective coating and preparation method thereof; component is as follows according to weight fraction: 30-35 parts of deionized water; 30-35 parts of water-based acrylic resin; 5-10 parts of aqueous polyurethane; 2-4 parts of pH buffer, 3-5 parts of coalescing agent, 3-5 parts of thickener; 1-2 parts of wetting agent, 1-2 parts of defoaming agent.Preparation method step: titanium dioxide is added to deionized water, dispersion, is put into ball mill stirring 30min and forms mixed liquor A；By water-based acrylic resin, aqueous polyurethane, pH buffer, coalescing agent, wetting agent, thickener sequentially adds in mixed liquor A, stirs 40min, obtain mixed liquid B；Deionized water is added in defoaming agent, stirs 10min, obtains mixed liquor C；Mixed liquor C is filtered, can be prepared by.The present invention can reach antiacid alkali resistant, waterproof, while operating procedure is simple, the beneficial effect that can be mass-produced.
Description
Technical field
The invention belongs to technical field of coatings, in particular to a kind of inner wall surface basis protective coating and preparation method thereof.
Background technique
The main problem of inner wall surface at present is that pH value variation causes cement to go wrong in hydration process mostly,
Interior wall paint is caused phenomena such as blistering, cracking occur.Neutralization reaction, product can occur for the calcium hydroxide in acidic materials and cement
Volume is loose, expands, and dusting is easily hydrolyzed after meeting water, to influence quality.
Therefore, the related resistance for how improving coating, prolongs the service life, and constantly studies for each manufacturer.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of inner wall surface basis protective coating and its preparation
Method can reach antiacid alkali resistant, waterproof, while operating procedure is simple, the beneficial effect that can be mass-produced.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of inner wall surface basis protective coating, component
It is as follows according to weight fraction:
30-35 parts of deionized water, 30-35 parts of water-based acrylic resin, 5-10 parts of aqueous polyurethane, 2-4 parts of pH buffer,
3-5 parts of coalescing agent, 3-5 parts of thickener, 1-2 parts of wetting agent, 1-2 parts of defoaming agent.
Preferably, pH buffer uses 2-amino-2-methyl-1-propanol.
Preferably, thickener uses the modest chemistry WT-105A hydroxyethyl cellulose of moral.
Preferably, wetting agent uses Docusate Sodium.
Preferably, defoaming agent uses the BYK-022 modified silicon dimethyl silicone polymer of Bi Ke chemistry.
A kind of preparation method of inner wall surface basis protective coating, comprising the following steps:
(1) a certain amount of titanium dioxide is added in 30-35 parts of deionized waters, is dispersed, be then placed in ball mill stirring
30min forms mixed liquor A；
(2) by 30-35 parts of water-based acrylic resins, 5-10 parts of aqueous polyurethanes, 2-4 parts of pH buffers, 3-5 parts of film forming are helped
Agent, 1-2 parts of wetting agents, 3-5 parts of thickeners sequentially add in mixed liquor A, and mixed liquor A is pumped into the dispersion machine of high shear force
40min is stirred, mixed liquid B is obtained；
(3) a small amount of deionized water will be added in 1-2 parts of defoaming agents, stirs evenly, be added dropwise by the way of spraying, and reduces
Dispersion machine mixing speed stirs 10min, obtains mixed liquor C；
(4) mixed liquor C is filtered, is can be prepared by.
Compared with prior art, the present invention has the beneficial effects that the present invention product has excellent permeability,
Wall basic level material surface can be sufficiently infiltrated, keeps hydrated cementitious primary product more closely knit by reactions such as glue connection, improves interface
Adhesive force improves the adhesive strength of mortar or putty and surface of wall, prevents hollowing.The surface of metope is effectively reduced simultaneously
Power can effectively prevent water, and soda acid liquid is soaked in surface of wall to permeate, to play the purpose of waterproof, anti-soda acid, operate simultaneously
Simple process can be mass-produced.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, combined with specific embodiments below to this hair
It is bright to elaborate.
Embodiment one:
A kind of inner wall surface basis protective coating, component are as follows according to weight fraction:
30 parts of deionized water, 30 parts of water-based acrylic resin, 5 parts of aqueous polyurethane, 5 parts of titanium dioxide, 2- amino -2- first
2 parts of base -1- propyl alcohol, 3 parts of coalescing agent, 3 parts of hydroxyethyl cellulose, 1 part of Docusate Sodium, modified silicon polydimethylsiloxanes
1 part of alkane.
A kind of preparation method of inner wall surface basis protective coating, comprising the following steps:
(1) a certain amount of titanium dioxide is added in 30 parts of deionized waters, is dispersed, be then placed in ball mill stirring
30min forms mixed liquor A；
(2) by 30 parts of water-based acrylic resins, 5 parts of aqueous polyurethanes, 2 part of 2 one amino-2-methyl -1- propyl alcohol, 3 parts at
Film auxiliary agent, 1 part of Docusate Sodium, 3 parts of hydroxyethyl celluloses sequentially add in mixed liquor A, and mixed liquor A is pumped into height and is cut
40min is stirred in the dispersion machine of shear force, obtains mixed liquid B；
(3) a small amount of deionized water will be added in 1 part of modified silicon dimethyl silicone polymer, stirs evenly, using the side sprayed
Formula is added dropwise, and reduces dispersion machine mixing speed, stirs 10min, obtains mixed liquor C；
(4) mixed liquor C is filtered, is can be prepared by.
Scratch measures adhesive force, and paint film is intact, and adhesive force is good, it is determined as 1 grade.
Measuring method is scratched according to JB/T 3998-1999 coating levelability, all together, two pairs flat for stream for three pairs of parallel bands
Row band does not flow together, is 6 grades.
The test of indices is carried out to wall finiss according to GB/T 9755-2014:
Appearance of film: it places for 24 hours, observes film by visual observation, do not find obvious shrinkage cavity and sagging, and film is uniform, be
Normally.
Alkali resistance: testing according to GB/T 9265, has 3 pieces of abnormal phenomenon such as do not occur blistering in 3 pieces of test plate (panel)s, is without exception.
Water resistance: testing according to GB/T 1733-1993, has 3 pieces of abnormal phenomenon such as do not occur blistering in 3 pieces of test plate (panel)s, is nothing
It is abnormal.
Embodiment two:
A kind of inner wall surface basis protective coating, component are as follows according to weight fraction:
32 parts of deionized water, 33 parts of water-based acrylic resin, 8 parts of aqueous polyurethane, 6 parts of titanium dioxide, 2- amino -2- first
3 parts of base -1- propyl alcohol, 4 parts of coalescing agent, 4 parts of hydroxyethyl cellulose, 1 part of Docusate Sodium, modified silicon polydimethylsiloxanes
2 parts of alkane.
A kind of preparation method of inner wall surface basis protective coating, comprising the following steps:
(1) a certain amount of titanium dioxide is added in 32 parts of deionized waters, is dispersed, be then placed in ball mill stirring
30min forms mixed liquor A；
(2) by 33 parts of water-based acrylic resins, 8 parts of aqueous polyurethanes, 3 parts of 2-amino-2-methyl-1-propanols, 4 parts of film forming
Auxiliary agent, 1 part of Docusate Sodium, 4 parts of hydroxyethyl celluloses sequentially add in mixed liquor A, and mixed liquor A is pumped into high shear
40min is stirred in the dispersion machine of power, obtains mixed liquid B；
(3) a small amount of deionized water will be added in 2 parts of modified silicon dimethyl silicone polymers, stirs evenly, using the side sprayed
Formula is added dropwise, and reduces dispersion machine mixing speed, stirs 10min, obtains mixed liquor C；
(4) mixed liquor C is filtered, is can be prepared by.
Scratch measures adhesive force, and paint film is intact, and adhesive force is good, it is determined as 1 grade.
Measuring method is scratched according to JB/T 3998-1999 coating levelability, four pairs of parallel bands all flow together, Yi Duiping
Row band does not flow together, is 8 grades.
The test of indices is carried out to wall finiss according to GB/T 9755-2014:
Appearance of film: it places for 24 hours, observes film by visual observation, do not find obvious shrinkage cavity and sagging, and film is uniform, be
Normally.
Alkali resistance: testing according to GB/T 9265, has 2 pieces of abnormal phenomenon such as do not occur blistering in 3 pieces of test plate (panel)s, is without exception.
Water resistance: testing according to GB/T 1733-1993, has 3 pieces of abnormal phenomenon such as do not occur blistering in 3 pieces of test plate (panel)s, is nothing
It is abnormal.
Embodiment three:
A kind of inner wall surface basis protective coating, component are as follows according to weight fraction:
35 parts of deionized water, 35 parts of water-based acrylic resin, 10 parts of aqueous polyurethane, 10 parts of titanium dioxide, 2- amino -2-
4 parts of methyl-1-propyl alcohol, 5 parts of coalescing agent, 5 parts of hydroxyethyl cellulose, 2 parts of Docusate Sodium, modified silicon poly dimethyl silicon
2 parts of oxygen alkane.
A kind of preparation method of inner wall surface basis protective coating, comprising the following steps:
(1) a certain amount of titanium dioxide is added in 35 parts of deionized waters, is dispersed, be then placed in ball mill stirring
30min forms mixed liquor A；
(2) by 35 parts of water-based acrylic resins, 10 parts of aqueous polyurethanes, 4 parts of 2-amino-2-methyl-1-propanols, 5 parts at
Film auxiliary agent, 2 parts of Docusate Sodiums, 5 parts of hydroxyethyl celluloses sequentially add in mixed liquor A, and mixed liquor A is pumped into height and is cut
40min is stirred in the dispersion machine of shear force, obtains mixed liquid B；
(3) a small amount of deionized water will be added in 2 parts of modified silicon dimethyl silicone polymers, stirs evenly, using the side sprayed
Formula is added dropwise, and reduces dispersion machine mixing speed, stirs 10min, obtains mixed liquor C；
(4) mixed liquor C is filtered, is can be prepared by.
Scratch measures adhesive force, and paint film is intact, and adhesive force is good, it is determined as 1 grade.
Measuring method is scratched according to JB/T 3998-1999 coating levelability, two pairs of parallel bands all flow together, Yi Duiping
Together, two pairs of parallel bands do not flow together the most of stream of row band, are 5 grades.
The test of indices is carried out to wall finiss according to GB/T 9755-2014:
Appearance of film: it places for 24 hours, observes film by visual observation, do not find obvious shrinkage cavity and sagging, and film is uniform, be
Normally.
Alkali resistance: testing according to GB/T 9265, has 2 pieces of abnormal phenomenon such as do not occur blistering in 3 pieces of test plate (panel)s, is without exception.
Water resistance: testing according to GB/T 1733-1993, has 2 pieces of abnormal phenomenon such as do not occur blistering in 3 pieces of test plate (panel)s, is nothing
It is abnormal.
It is described the invention in detail above by embodiment, but the content is only exemplary implementation of the invention
Example, should not be considered as limiting the scope of the invention.Protection scope of the present invention is defined by the claims.All utilizations
Technical solutions according to the invention or those skilled in the art are under the inspiration of technical solution of the present invention, in reality of the invention
In matter and protection scope, designs similar technical solution and reach above-mentioned technical effect, or to made by application range
All the changes and improvements etc. should still belong to patent of the invention and cover within protection scope.It should be noted that in order to clear
It is stated, part and protection scope of the present invention is omitted in explanation of the invention without being directly significantly associated with but this field skill
The statement of component known to art personnel and processing.
Claims (6)
1. a kind of inner wall surface basis protective coating, which is characterized in that component is as follows according to weight fraction:
30-35 parts of deionized water, 30-35 parts of water-based acrylic resin, 5-10 parts of aqueous polyurethane, 2-4 parts of pH buffer, film forming
3-5 parts of auxiliary agent, 3-5 parts of thickener, 1-2 parts of wetting agent, 1-2 parts of defoaming agent.
2. a kind of inner wall surface basis protective coating according to claim 1, which is characterized in that pH buffer uses 2- ammonia
Base-2- methyl-1-propyl alcohol.
3. a kind of inner wall surface basis protective coating according to claim 1, which is characterized in that thickener is fine using ethoxy
Dimension element.
4. a kind of inner wall surface basis protective coating according to claim 1, which is characterized in that wetting agent uses amber monooctyl ester
Sodium sulfonate.
5. a kind of inner wall surface basis protective coating according to claim 1, which is characterized in that defoaming agent is poly- using modified silicon
Dimethyl siloxane.
6. a kind of preparation method of inner wall surface basis protective coating, comprising the following steps:
(1) a certain amount of titanium dioxide is added in 30-35 parts of deionized waters, is dispersed, be then placed in ball mill stirring 30min
Form mixed liquor A；
(2) by 30-35 parts of water-based acrylic resins, 5-10 parts of aqueous polyurethanes, 2-4 parts of pH buffers, 3-5 parts of coalescing agents,
1-2 parts of wetting agents, 3-5 parts of thickeners sequentially add in mixed liquor A, and mixed liquor A is pumped into the dispersion machine of high shear force and is stirred
40min is mixed, mixed liquid B is obtained；
(3) a small amount of deionized water will be added in 1-2 parts of defoaming agents, stirs evenly, be added dropwise by the way of spraying, and reduces dispersion
Machine mixing speed stirs 10min, obtains mixed liquor C；
(4) mixed liquor C is filtered, is can be prepared by.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910115243.2A CN109825152A (en) | 2019-02-14 | 2019-02-14 | A kind of inner wall surface basis protective coating and preparation method thereof |
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| CN201910115243.2A CN109825152A (en) | 2019-02-14 | 2019-02-14 | A kind of inner wall surface basis protective coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563781A (en) * | 2021-08-24 | 2021-10-29 | 东莞市巴德迩新材料有限公司 | Environment-friendly water-based paint and preparation process thereof |
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| CN103627279A (en) * | 2013-11-18 | 2014-03-12 | 广东巴德士化工有限公司 | Single-component waterborne finishing coat and preparation method thereof |
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Application publication date: 20190531 |