CN105985684B - A kind of dumb light, high-weatherability, high hydrophobicity exterior wall latex paint and preparation method thereof - Google Patents
A kind of dumb light, high-weatherability, high hydrophobicity exterior wall latex paint and preparation method thereof Download PDFInfo
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- CN105985684B CN105985684B CN201510070656.5A CN201510070656A CN105985684B CN 105985684 B CN105985684 B CN 105985684B CN 201510070656 A CN201510070656 A CN 201510070656A CN 105985684 B CN105985684 B CN 105985684B
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Abstract
A kind of exterior wall latex paint, water including filler 25-50 parts by weight, pH adjusting agent 0.2-0.3 parts by weight, lotion 20-30 parts by weight, coalescing agent 1.5-2 parts by weight, thickener 0-2 parts by weight, hydrophobing agent 0.5-1 parts by weight, mill base 3-5 parts by weight and surplus, wherein, the filler is selected from one of titanium dioxide, calcium carbonate, mica powder, diatomite, talcum powder or a variety of.The exterior wall latex paint of the application has many advantages, such as that dumb light, high-weatherability, hydrophobicity and good permeability, color stability are good, the existing exterior wall latex paint weatherability of effective solution is poor, hydrophobicity difference and the problem of poor air permeability, and it can mix colours to the color closer to Tian An-men script, be more suitable for Tian An-men outer wall coating.
Description
Technical field
This application involves the field of building materials, in particular to a kind of aqueous architectural emulsion paint and preparation method thereof.
Background technique
The exterior wall of building is subjected to exposing to the sun and rain throughout the year, not only influences the neat and artistic of appearance, and substantially reduce and build
The service life of object is built, therefore is frequently necessary to safeguard the exterior wall of building, more especially building with historic significance
Building object can only safeguard and can not rebuild that the maintenance of exterior wall is with regard to even more important.By taking Tian An-men as an example: Tian An-men be China as
Sign, Pekinese's landmark building, the place that people of the whole China yearn for have unnumbered ginseng to see browsing every year, take a photo as a moment, because
It is extremely important and necessary that this, which keeps intact, beautiful, the cleaning of Tian An-men metope,.Dimension of the country to Tian An-men metope in recent years
Shield frequency, capital investment constantly increase.But we also noted that the exterior wall in Tian An-men still has many problems: (1) Tian An-men
The film of exterior wall is glossy, and the uneven of metope is covered all at one glance；(2) color of Tian An-men metope is in gradually dimmed, vividness
It reduces, is detected by spectrophotometer, indicate a value decline of red phase color value, indicate that the b value of yellow mutually value rises, show wall finiss
Weatherability it is bad, red slurry occurs colour migration and moves, and macromolecular chain fracture, causes paint film to turn yellow in film.In addition, Tian An-men city wall
For inclined-plane, therefore sleet is much bigger to the metope that the damage ratio of metope is upright, and then Tian An-men exterior wall is to the hydrophobicity of paint film
It is more demanding.
Therefore need a kind of dumb light, high-weatherability, high hydrophobicity exterior wall latex paint.
Summary of the invention
The first purpose of the application is to provide a kind of exterior wall latex paint.
Exterior wall latex paint provided herein includes each group of following parts by weight in 100 parts by weight exterior wall latex paints
Point:
In some embodiments, the filler includes one or more each components selected from following parts by weight:
Preferably, the filler includes mica powder and two kinds of diatomite.
Preferably, the titanium dioxide is rutile type titanium white.
Preferably, the calcium carbonate is the calcium carbonate superfine powder that granularity is 700 mesh or 800 mesh.
Preferably, the mica powder is the wet process sericite in powder that granularity is 400 mesh.
Preferably, the model Celite499 of the diatomite.
Preferably, the granularity of the talcum powder is 425 mesh.
In some embodiments, the hydrophobing agent is organic silicon hydrophobic agent.
In some embodiments, the lotion includes styrene-acrylic emulsion；Preferably, the content of the styrene-acrylic emulsion is 20-
30 parts by weight.
In some embodiments, the lotion further comprises organic silicon emulsion；Preferably, the organic silicon emulsion
Content is 5-10 parts by weight.
In some embodiments, the exterior wall latex paint further comprises one or more selected from following parts by weight
Each component:
Preferably, the dispersing agent is one of copolymer ammonium salt or a variety of.It is further preferred that the dispersing agent is
Ammonium polyacrylate salt copolymer dispersant.
Preferably, the wetting agent is non-ionic wetting agent.
Preferably, the defoaming agent is one of mineral oil or organic silicon defoaming agent or a variety of.
Preferably, the antifreezing agent is one of ethylene glycol or propylene glycol or a variety of.
In some embodiments, the pH adjusting agent is organic amine.
In some embodiments, the coalescing agent is lauryl alcohol lipid.
In some embodiments, the thickener is one of acrylic thickener or alkali-swelling type thickener or more
Kind, it is preferable that the content of the acrylic thickener is 0-2 parts by weight, and the content of the alkali-swelling type thickener is 0-2 weight
Part.
In some embodiments, the mill base includes iron oxide red mill base, fuchsin mill base and black slurry, it is preferable that the iron
Red slurry is Klein iron oxide red B130-C, and the fuchsin mill base is Xi Bisi DAWN mill base MM2, the black slurry is Xi Bisi
DAWN mill base CH2.
By measuring the discovery of Tian An-men metope shelter paint film, former wall finiss uses iron oxide red color paste toning more, form and aspect and
Intensity of colour and Tian An-men had very big difference still to reach even if being adjusted by black slurry with the color of traditional coating brushing originally
Less than desired color, in addition paint film is shallow, and jaundice has the feeling floatd, with original vermeil serious elegant also some distances.Needle
To the above problem, establish the toning standard suitable for Tian An-men exterior wall, i.e., extremely using the color of the mill base tune emulsion paint:
Red L:39.87, a:19.80, b:8.70, the brushing suitable for Tian An-men red exterior wall；
Or ash L:58.43, a:0.79, b:2.45, the brushing suitable for grey parts on the reviewing stand of Tian An-men.
The second purpose of the application is to provide a kind of preparation method of exterior wall latex paint comprising following steps:
Step 1: by the water of 23-28 parts by weight, the filler of 25-50 parts by weight, 0.2-0.3 parts by weight pH adjusting agent in height
It is slowly added in mixing tank under speed stirring, high speed dispersion 10-40 minutes after addition, obtains slurry of the fineness less than 60 microns
Material；
Step 2: the lotion of 20-30 parts by weight, the coalescing agent of 1.5-2 parts by weight are slowly added to walk in the case where stirring at low speed
In slurry made from rapid 1；
Step 3: the thickener of 0-2 parts by weight and the water of surplus are slowly added to slurry made from step 2 in the case where stirring at low speed
In material, until viscosity is 100-110KU, pH value is 8-9；
Step 4: the hydrophobing agent of 0.5-1 parts by weight is slowly added in slurry made from step 3 in the case where stirring at low speed, and according to
Need to be added suitable mill base according to color.
The exterior wall latex paint of the application has dumb light, high-weatherability, hydrophobicity and good permeability, color stability good etc. excellent
Point, and color-adjustable to closer to Tian An-men script color.
Specific embodiment
Presently filed embodiment is described below by embodiment, it will be appreciated by the person skilled in the art that these
Specific embodiment only indicates to achieve the purpose that the application and the implementation technical solution that selects, is not to technical solution
Limitation.According to teachings of the present application, be to the improvement of technical scheme in conjunction with the prior art it is obvious, belong to the application
The range of protection.
Embodiment 1
The exterior wall latex paint of the embodiment of the present application 1 is prepared by the following method:
(1) weigh the water of 23-28 parts by weight, the filler of 25-50 parts by weight, 0.2-0.3 parts by weight pH adjusting agent, in height
It is slowly added in mixing tank under speed stirring, high speed dispersion 10-40 minutes after addition, obtains slurry of the fineness less than 60 microns
Material；
(2) lotion, the coalescing agent of 1.5-2 parts by weight for weighing 20-30 parts by weight, are slowly added to walk in the case where stirring at low speed
In slurry made from rapid 1；
(3) thickener of 0-2 parts by weight and the water of surplus are slowly added to slurry made from step 2 in the case where stirring at low speed
In, viscosimetric and pH value are simultaneously adjusted, while adjusting mixing speed according to viscosity change, and viscosity is bigger, and mixing speed is faster,
Viscosimetric is 100-110KU, pH value is 8-9；
(4) hydrophobing agent of 0.5-1 parts by weight is slowly added in slurry made from step 3 in the case where stirring at low speed, and foundation
Color needs to be added suitable mill base.
The exterior wall latex paint of embodiment 1 and the exterior wall latex paint of the prior art are subjected to performance comparative experiments, the prior art
The preparation method of exterior wall latex paint is substantially same as Example 1, the difference is that not adding hydrophobing agent.Comparing result shows:
The permeability rate that the prior art does not add the exterior wall latex paint film of hydrophobing agent is 4.5ml, and the exterior wall latex paint addition of embodiment 1 is dredged
The permeability rate of film is less than 2ml after aqua.Meanwhile after the emulsion paint film for not adding hydrophobing agent is soaked, drying is very slow,
And film coated surface can leave white washmarking after drying, and influence appearance of film.The emulsion paint film for being added to hydrophobing agent is drenched by water
After wet, film can dry (naked eyes visible rate of drying fast) very fast, and film does not leave any trace, it is beautiful such as
Newly.
The exterior wall latex paint of the embodiment of the present application 2-8 is prepared by the following method:
Raw material used in following embodiment is commercially available unless otherwise instructed.
(1) each raw material is weighed by the proportion of table 1 and table 2, water, ammonium polyacrylate dipersant (model: is made pottery in the U.S. first
Family name chemistry CA2500), non-ionic wetting agent (model: Dow Chemical DB109), defoaming agent (model: Japanese Nuo Puke
NXZ), it is slowly added in mixing tank under the conditions of stirring at low speed；Then it is slowly added to rutile type titanium white under high velocity agitation
(model: imperial boa R-996), the calcium carbonate superfine powder that granularity is 700 mesh (model: wide good fortune CC-700), the wet process thin,tough silk that granularity is 400 mesh
Mica powder (model: the auspicious sericite of Anhui Chuzhou's lattice), Cellite499 diatomite, the talcum powder (model: wide that granularity is 425 mesh
425 mesh talcum powder of good fortune), pH adjusting agent (model: Dow Chemical AMP-95), high speed dispersion 10-40 minutes after addition,
Obtain slurry of the fineness less than 60 microns；
(2) by defoaming agent, styrene-acrylic emulsion (model: Dow Chemical DC-420), organic silicon emulsion (model: watt gram change
Learn BS45), lauryl alcohol lipid coalescing agent (model: eastman chemical Texanol), propylene glycol antifreezing agent, 1,2- benzisothia
Oxazoline -3- ketone (BIT) preservative (model: Troy K9N), is slowly added in slurry made from step (1) in the case where stirring at low speed；
(3) water of alkali-swelling type thickener (model: Dow Chemical TT-935) and surplus is being stirred at low speed into lower delay
Slow to be added in slurry made from step (2), viscosimetric and pH value are simultaneously adjusted, while adjusting stirring speed according to viscosity change
Degree, viscosity is bigger, and mixing speed is faster, and viscosimetric 100-110KU, pH value are 8-9；
(4) organic silicon hydrophobic agent (model: wacker chemicals 1306) is slowly added to made from step (3) in the case where stirring at low speed
In slurry, and need to be added suitable mill base according to color.
Embodiment 2-5
The each component content of embodiment 2-5 is see the following table 1.
Table 1
The consistency and barrier properties of film can be improved in mica powder with layer structure, and then improves the waterproof function of film
Can, while mica powder also has certain photoextinction.It can make film that there is preferable waterproof with porous diatomite
Property, while also there is gas permeability and extinction.The hydrophobicity of film coated surface can be enhanced in organic silicon hydrophobic agent, has film coated surface
There is lotus leaf effect.As can be seen from the data in table 1, while it above-mentioned three kinds of substances being added can significantly improve the hydrophobicity of exterior wall latex paint
Energy.
In addition copolymer ammonium salt is selected to select the propylene of high occupy-place acid-thickened as dispersing agent, while in thickened systems
Agent can effectively solve the color stability of colored paint, guarantee the consistency of painting color when construction.
Embodiment 6-8
The each component content of embodiment 6-8 is see the following table 2.
Table 2
For alkali resistance, the intensity for improving film, major gelled material of the styrene-acrylic emulsion as the formula is selected, considers dumb light
Pool, lotion additive amount are unsuitable excessively high.To make coating weatherability with higher, organic siliconresin has been especially added with as second
Cementitious material.By the data of table 2 it is found that exterior wall latex paint can be greatly improved by adding styrene-acrylic emulsion and organic silicon emulsion simultaneously
Weatherability.
The foregoing is merely preferred embodiment of the present application, not to the application make in any form with substantial limit
System.Those skilled in the art, in the range of not departing from technical scheme, in using disclosed above technology
Hold and the equivalent variations of a little change, modification and differentiation made is the equivalent embodiment of the application；Meanwhile it is all according to this Shen
Change, modification and differentiation of any equivalent variations to the above embodiments of substantial technological please etc. are in the application by weighing
Benefit requires in the range of defining.
Claims (5)
1. a kind of Tian An-men exterior wall exterior wall latex paint, which is characterized in that 100 parts by weight exterior wall latex paints are by following parts by weight
Each group be grouped as:
Wherein, the mill base includes iron oxide red mill base, fuchsin mill base and black slurry；
When the exterior wall latex paint is used to brush Tian An-men red exterior wall, the titanium dioxide is 1 parts by weight, and the mill base makes
The color of the exterior wall latex paint is L:39.87, a:19.80, b:8.70；When the exterior wall latex paint is for brushing Tian An-men ash
When color exterior wall, the titanium dioxide is 12 parts by weight, and the mill base makes the color of the exterior wall latex paint be L:58.43, a:
0.79、b:2.45。
2. exterior wall latex paint as described in claim 1, wherein the titanium dioxide is rutile type titanium white；The calcium carbonate
It is the calcium carbonate superfine powder of 700 mesh or 800 mesh for granularity；The mica powder is the wet process sericite in powder that granularity is 400 mesh；The silicon
The model Celite499 of diatomaceous earth；The granularity of the talcum powder is 425 mesh.
3. exterior wall latex paint as described in claim 1, wherein the defoaming agent is in mineral oil or organic silicon defoaming agent
It is one or more.
4. exterior wall latex paint as described in claim 1, wherein
The pH adjusting agent is organic amine；
The coalescing agent is lauryl alcohol lipid；
The iron oxide red mill base is Klein iron oxide red B130-C, and the fuchsin mill base is Xi Bisi DAWN mill base MM2, the black slurry
For Xi Bisi DAWN mill base CH2.
5. a kind of preparation method of Tian An-men exterior wall exterior wall latex paint, which comprises the following steps:
Step 1: by the water of 23-26 parts by weight, the ammonium polyacrylate dipersant of 1-1.2 parts by weight, 0.2-0.3 parts by weight it is non-
Ionic wetting agent, 0.2-0.3 parts by weight defoaming agent be slowly added in mixing tank under the conditions of stirring at low speed；Then by 1 or
The titanium dioxide of 12 parts by weight, the calcium carbonate of 8-20 parts by weight, the mica powder of 4-5 parts by weight, 3-4 parts by weight diatomite, 10-12
The talcum powder of parts by weight, the pH adjusting agent of 0.2-0.3 parts by weight are slowly added in mixing tank under high velocity agitation, after addition
High speed dispersion 10-40 minutes, obtain slurry of the fineness less than 60 microns；
Step 2: by the defoaming agent of 0.2 parts by weight, the styrene-acrylic emulsion of 20-25 parts by weight, 5-10 parts by weight organic silicon emulsion,
The coalescing agent of 1.7-2 parts by weight, the propylene glycol antifreezing agent of 0.5-0.8 parts by weight, 0.1-0.2 parts by weight preservative in low speed
It is slowly added in slurry made from step 1 under stirring；
Step 3: the water of the acrylic thickener of 0.8-1 parts by weight, the alkali-swelling type thickener of 0.5-1 parts by weight and surplus is existed
It stirs at low speed down and is slowly added in slurry made from step 2, until viscosity is 100-110KU, pH value is 8-9；
Step 4: the organic silicon hydrophobic agent of 0.7-1 parts by weight is slowly added in slurry made from step 3 in the case where stirring at low speed, and
Corresponding mill base is added according to the color needed；
Wherein, the mill base includes iron oxide red mill base, fuchsin mill base and black slurry；
When preparing the exterior wall latex paint for brushing Tian An-men red exterior wall, the titanium dioxide is 1 parts by weight, and the mill base makes
The color for obtaining the exterior wall latex paint is L:39.87, a:19.80, b:8.70；When preparation is for brushing Tian An-men grey exterior wall
When exterior wall latex paint, the titanium dioxide be 12 parts by weight, the mill base make the exterior wall latex paint color be L:58.43,
a:0.79、b:2.45。
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| CN106957571A (en) * | 2017-02-16 | 2017-07-18 | 河北晨阳工贸集团有限公司 | Low multi-functional sealing waxes of VOC and preparation method thereof |
| CN110551427A (en) * | 2018-05-31 | 2019-12-10 | 北新集团建材股份有限公司 | Extinction coating and preparation method and application thereof |
| CN108997808A (en) * | 2018-08-13 | 2018-12-14 | 台州智子科技有限公司 | A kind of water-repellent paint for external wall of building and preparation method thereof and construction method |
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| DE4222413C2 (en) * | 1992-07-08 | 1996-07-25 | Schulz Gmbh & Co Kg Farben Und | wood stain |
| JP2000044875A (en) * | 1998-05-18 | 2000-02-15 | Jsr Corp | Film-forming composition, method for forming film and low density film |
| CN101085895A (en) * | 2007-06-20 | 2007-12-12 | 深圳市明远氟涂料有限公司 | Concrete transparent protecting paint |
| CN101381541B (en) * | 2008-10-16 | 2010-12-29 | 中山华兹卜化学工业有限公司 | Nano organosilicon exterior wall paint |
| CN102675993A (en) * | 2012-05-23 | 2012-09-19 | 开平市日固力涂料有限公司 | Colorful heat insulating and waterproof building paint |
| CN103409023A (en) * | 2013-08-13 | 2013-11-27 | 浙江志强涂料有限公司 | Aqueous high weather-proof matt exterior wall emulsion paint and preparation method thereof |
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