CN109723191A - A kind of finishing wall finiss coating method and preparation method - Google Patents
A kind of finishing wall finiss coating method and preparation method Download PDFInfo
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- CN109723191A CN109723191A CN201811392768.2A CN201811392768A CN109723191A CN 109723191 A CN109723191 A CN 109723191A CN 201811392768 A CN201811392768 A CN 201811392768A CN 109723191 A CN109723191 A CN 109723191A
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Abstract
The invention discloses a kind of finishing wall finiss, and according to parts by weight, raw material includes following components, and 200-250 parts of acrylic emulsion；4-8 parts of thickener；5-10 parts of dispersing agent；5-8 parts of coalescing agent；3-6 parts of nano silica；Thickener is the mixture of bentonite and polyvinyl alcohol, and the ratio of bentonite and polyvinyl alcohol is 1:7.Polyvinyl alcohol and bentonite are replaced into hydroxyethyl cellulose and the stronger thickener of common thixotropy, so that coating has excellent levelability, so that surface of the emulsion paint after film forming is more flat and smooth, are not easy to adhere to foul, and there is preferable stain resistant performance.Nano silica, which is added, can fill the compactness that these holes increase coating, and nano silica is formed by reticular structure can form relatively complete film, makes foul be not easy to adhere to, to improve the contrast ratio and stain resistant of coating.
Description
Technical field
The present invention relates to decorations fields, more specifically, it relates to a kind of finishing wall finiss coating method and system
Preparation Method.
Background technique
Emulsion paint is being commonly called as latex paint, is the major class synthetic resin emulsion using acrylate copolymer emulsion as representative
Coating.Emulsion paint is water-dispersible paint, it is to take resin emulsion as base material, and various auxiliary agents are added in filler after wear-resisting dispersion
Refined coating.Emulsion paint has many merits different from traditional metope coating, be such as easy to brush, it is dry rapidly,
Paint film is water-fast, scrub resistance is good etc..
Notification number is that the Chinese patent of CN101486862B discloses a kind of environment-friendly type inner wall emulsion paint, by weight percentage
Meter, which includes following components: pure water 10-30%；Cellulose thickener 0.2-0.9%；Multifunctional assistant 0.1%；Point
Powder 0.1-0.5%；Antibacterial purifying agent 0.1-2.0%；Rutile type titanium white 20-35%；Lotion 25-40%；Defoaming agent
0.1-0.5%；Associative thickeners 0.1-0.5%；Mould inhibitor 0.1%；Auxiliary material 11.1-23.5%；Antibacterial purifying agent includes weight
Measure carrier, rare earth and the nano-oxide of part 1-3:1-2:1 configuration, wherein carrier is sodium bentonite, and nano-oxide is to receive
Rice TiO2 or/and nano-ZnO.
The hydrophily of this emulsion paint is preferable, and usually there will be micropore in film, therefore working as has foul to be adhered to
It after film coated surface, can be adsorbed using water vapor in air as medium into film due to the effect of capillary force, so that applying
The stain resistant of film is poor, has much room for improvement.
Summary of the invention
It is coated in view of the deficienciess of the prior art, the first purpose of this invention is to provide a kind of finishing with wall finiss
Method has the advantages that stain resistant is good after brushing.
To realize the above-mentioned technical purpose, the present invention provides the following technical scheme that
A kind of finishing wall finiss coating method, includes the following steps, step 1: former wall plaster layer is all rooted out,
Again by interfacial agents brushing on metope；Step 2: sticking white glue patch at metope cracking, is then laid with grid in entire metope
Cloth then brushes cement mortar until wall surface levelling；Step 3: first painting one layer of base's putty, then brushes twice of surface layer putty, connects
Polishing；Step 4: one layer of alkali-resistant primer is first painted, then brushes twice of wall finiss；According to parts by weight, metope raw materials for varnish include with
Lower component, 200-250 parts of acrylic emulsion；4-8 parts of thickener；5-10 parts of dispersing agent；5-8 parts of coalescing agent；Nanometer titanium dioxide
3-6 parts of silicon；The thickener is the mixture of bentonite and polyvinyl alcohol, and the ratio of bentonite and polyvinyl alcohol is 1:7.
By using above-mentioned technical proposal, uses acrylic emulsion as base-material, can be provided well for stain resistant emulsion paint
Coating, various physical and mechanical properties required for film forming and film.
Polyvinyl alcohol and bentonite are replaced into hydroxyethyl cellulose and the stronger thickener of common thixotropy, so that coating
It with excellent levelability, so that surface of the emulsion paint after film forming is more flat and smooth, is not easy to adhere to foul, and has preferable
Stain resistant performance.
Small-size effect, surface and interface effect possessed by nano silica and macro quanta tunnel effect etc., make
Nano silica is provided with the properties such as antibacterial sterilization, antifog anti-dew, anti-fouling and self-cleaning, hydrophobic, shielding anti-aging.Nanometer two
Silicon oxide surface can form strong and weak not equal hydrogen bond there are silicic acid base and active silane key, show it is extremely strong reinforcing, and
Nano silica can be agglomerated into reticular structure when coating forms a film, and the intensity of coating is greatly improved, so that it is resistance to improve its
Scrubbing property；Meanwhile it is generally existing inside film have pore, bubble etc., nano silica, which is added, can fill these holes
Increase the compactness of coating, and nano silica is formed by reticular structure can form relatively complete film, makes dirty
Object is not easy to adhere to, to improve the contrast ratio and stain resistant of coating；Nano-silicon dioxide particle also has pole to ultraviolet light
Strong reflectivity, wherein to ultraviolet light long wave UVA (320-400nm) reflectivity up to 88%, to medium wave UVB's (280-320nm)
Reflectivity still reaches 70-80% up to 85%, to the reflectivity of shortwave UVC (200-280nm), improves the chalking resistance energy of coating.
When nano silica is in polyvinyl alcohol and Bentonite System, the reticular structure formed is coalesced in space
On it is more smooth, fine and close, to further improve the stain resistant of coating.
Further, according to parts by weight, metope raw materials for varnish includes following components, and 220-240 parts of acrylic emulsion；Thickening
4-8 parts of agent；6-8 parts of dispersing agent；6-7 parts of coalescing agent；4-5 parts of nano silica.
Further, according to parts by weight, metope raw materials for varnish includes 10-12 parts of nano-titanium dioxide.
By using above-mentioned technical proposal, while nano-titanium dioxide is as white pigment, nano-titanium dioxide is had
Some small-size effects, surface and interface effect and macro quanta tunnel effect etc. make nano-titanium dioxide be provided with antibacterial and kill
The properties such as malicious, antifog anti-dew, anti-fouling and self-cleaning, hydrophobic, shielding anti-aging.Nano-titanium dioxide is since it is with photocatalysis
Property, it decomposes the organic matter for being attached to coating surface constantly, so that dirt be made to be easy to remove, can make with nano silica dirty
The characteristic that object is not easy to be attached to coating surface mutually cooperates with the stain resistant performance for improving coating.Meanwhile nano-titanium dioxide can be with
Through the shorter ultraviolet light of visible light and scattered wave (200-400nm), film is enable to keep gay colours for a long time.
Further, the dispersing agent is polyethyleneglycol laurel ether.
It can be to nano silica and nano-titanium dioxide by using above-mentioned technical proposal polyethyleneglycol laurel ether
Apparent wetting and dispersing effect is generated, the uniformity of nano silica and nano-titanium dioxide dispersion is improved, improves two
Mutual synergistic effect between person, to improve the stain resistant performance of film.
Further, the coalescing agent is terpinol.
By using above-mentioned technical proposal, terpinol can reduce the minimum film formation temperature of coating, change as coalescing agent
Into the mobility of coating, compact in paint film degree is improved, so as to improve coating application performance and coating physical and chemical performance etc..Pine tar simultaneously
Alcohol has lilac taste, can carry out deodorization to coating, improve the experience sense of staff in the construction process, and in coating
Component does not have toxicity and not can cause environmental pollution, and belongs to ep-type material.
Terpinol can be improved scattering of the titanium dioxide to ultraviolet light, and film is enabled further to keep bright-coloured for a long time
Color.
Further, according to parts by weight, metope raw materials for varnish includes 4-6 parts of formamide.
By using above-mentioned technical proposal, formyl amine molecule enters and is dispersed in system, with acrylic emulsion and increasing
Thick dose comes into full contact with, and slightly reduces the viscosity of system, the levelability of whole system is further increased, to improve stain resistant.
Requirement for film forming agent generally is intended to volatilization slowly, and before film forming, coalescing agent cannot be vapored away, and it requires it
It volatilizees than water much slower, after film forming, coalescing agent completes their mission it is necessary to vapor away.And formyl amine molecule exists
The solubility original of terpinol is greater than the solubility in acrylic emulsion, and terpinol will take away formyl therewith in volatilization process
Amine molecule enhances so as to cause the caking property of system, so that whole system rapid film formation, and the molecular distribution after film forming is more stepped up
It is close, porosity reduce, and then effectively avoid foul due to the effect of capillary force using water vapor in air as medium be adsorbed into
In film, the stain resistant of film is effectively increased.
Another object of the present invention is to provide a kind of preparation methods of finishing wall finiss, comprising the following steps:
Step 1, water, bentonite, polyvinyl alcohol are added in blender to mix and be stirred until homogeneous, obtain compound gel
Liquid；
Step 2, continue to put into polyethyleneglycol laurel ether in blender, continue to put into terpinol and formamide and stir
Uniformly obtain mixed glue solution；
Step 3, nano silica is put into blender and is mutually mixed with mixed glue solution to uniform state, then put into and receive
Rice titanium dioxide continues to stir evenly, and obtains mixed slurry；
Step 4, mixed slurry is knocked down into capable grinding, obtains levigate slurry；
Step 5, levigate slurry and acrylic emulsion are uniformly mixed, obtain emulsion paint.
In conclusion the invention has the following advantages:
1. polyvinyl alcohol and bentonite are replaced hydroxyethyl cellulose and the stronger thickener of common thixotropy, so that applying
Material has excellent levelability, so that surface of the emulsion paint after film forming is more flat and smooth, is not easy to adhere to foul, and have compared with
Good stain resistant performance；
2. coalescing the reticular structure formed in sky when nano silica is in polyvinyl alcohol and Bentonite System
Between on it is more smooth, fine and close, to further improve the stain resistant of coating；
3. formyl amine molecule enters and is dispersed in system, come into full contact with acrylic emulsion and thickener, slightly drops
The viscosity of low system further increases the levelability of whole system, to improve stain resistant；
4. the requirement for film forming agent generally is intended to, volatilization is slow, and before film forming, coalescing agent cannot be vapored away, and it requires
It is more much slower than water volatilization, and after film forming, coalescing agent completes their mission it is necessary to vapor away.And formyl amine molecule
It is greater than the solubility in acrylic emulsion in the solubility original of terpinol, terpinol will take away first therewith in volatilization process
Amide molecule enhances so as to cause the caking property of system, so that whole system rapid film formation, and the molecular distribution after film forming is more
Closely, porosity is reduced, and then effectively foul is avoided to be adsorbed due to the effect of capillary force by medium of water vapor in air
Into in film, the stain resistant of film is effectively increased.
Detailed description of the invention
Fig. 1 is the flow chart of wall finiss preparation method provided by the invention.
Specific embodiment
Below in conjunction with drawings and examples, invention is further described in detail.
Embodiment
Embodiment 1
A kind of finishing wall finiss coating method, includes the following steps,
Step 1: former wall plaster layer is all rooted out, then by interfacial agents brushing on metope；
Step 2: sticking white glue patch at metope cracking, is then laid with grid cloth in entire metope, then brushes cement bonded sand
Slurry is until wall surface levelling；
Step 3: first painting one layer of base's putty, then brushes twice of surface layer putty, then polishes；
Step 4: one layer of alkali-resistant primer is first painted, then brushes twice of wall finiss；
According to parts by weight, wall finiss raw material components are as shown in table 1.
The preparation method of the wall finiss the following steps are included:
Step 1, water is added in blender, thickener is mixed and is stirred until homogeneous, acquisition compounding glue；
Step 2, continue to put into dispersing agent in blender, continue to put into coalescing agent and formamide and stir evenly acquisition
Mixed glue solution；
Step 3, nano silica is put into blender and is mutually mixed with mixed glue solution to uniform state, then put into and receive
Rice titanium dioxide continues to stir evenly, and obtains mixed slurry；
Step 4, mixed slurry is knocked down into capable grinding, obtains levigate slurry；
Step 5, levigate slurry and acrylic emulsion are uniformly mixed, obtain emulsion paint.
Wherein, the ratio of thickener selection bentonite and polyvinyl alcohol, bentonite and polyvinyl alcohol is 1:7, and dispersing agent is
Polyethyleneglycol laurel ether, coalescing agent are terpinol
Embodiment 2
Compared with Example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Embodiment 3
Compared with Example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Embodiment 4
Compared with Example 3, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Embodiment 5
Compared with Example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Embodiment 6
Compared with Example 5, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Comparative example
Comparative example 1
Compared with Example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Wherein, thickener replaces with carboxymethyl cellulose.
Comparative example 2
Compared with comparative example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Comparative example 3
Compared with Example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Wherein, dispersing agent replaces with calgon.
Comparative example 4
Compared with comparative example 3, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Comparative example 5
Compared with Example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Wherein, coalescing agent replaces with propylene glycol phenylate.
Comparative example 6
Compared with comparative example 5, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Comparative example 7
Compared with Example 1, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Comparative example 8
Compared with comparative example 7, the difference is that, according to parts by weight, raw material components are as shown in table 1.
Performance detection test
The stain resistant rate of emulsion paint is surveyed by GB/T 9780-2013 " building coating coating stain resistant test method "
Fixed, measurement result is as shown in table 1.
Table 1
Table 1- is continuous
As it can be seen from table 1 the mutual cooperation of formamide and terpinol, can effectively improve the stain resistant rate of emulsion paint.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. a kind of finishing wall finiss coating method, it is characterised in that: include the following steps,
Step 1: former wall plaster layer is all rooted out, then by interfacial agents brushing on metope；
Step 2: sticking white glue patch at metope cracking, is then laid with grid cloth in entire metope, and it is straight then to brush cement mortar
To wall surface levelling；
Step 3: first painting one layer of base's putty, then brushes twice of surface layer putty, then polishes；
Step 4: one layer of alkali-resistant primer is first painted, then brushes twice of wall finiss；
According to parts by weight, metope raw materials for varnish includes following components,
The thickener is the mixture of bentonite and polyvinyl alcohol, and the ratio of bentonite and polyvinyl alcohol is 1:7.
2. a kind of finishing wall finiss coating method according to claim 1, it is characterised in that: according to parts by weight, wall
Finishing coat raw material includes following components, and 220-240 parts of acrylic emulsion；4-8 parts of thickener；6-8 parts of dispersing agent；Coalescing agent 6-7
Part；4-5 parts of nano silica.
3. a kind of finishing wall finiss coating method according to claim 1, it is characterised in that: according to parts by weight, wall
Finishing coat raw material includes 10-12 parts of nano-titanium dioxide.
4. a kind of finishing wall finiss coating method according to claim 1, it is characterised in that: the dispersing agent is poly- second
Glycol list laurel ether.
5. a kind of finishing wall finiss coating method according to claim 1, it is characterised in that: the coalescing agent is pine
Oleyl alcohol.
6. a kind of finishing wall finiss coating method according to claim 5, it is characterised in that: according to parts by weight, wall
Finishing coat raw material includes 4-6 parts of formamide.
7. a kind of preparation method of any finishing wall finiss of claim 1-6, which is characterized in that including following step
It is rapid:
Step 1, water, bentonite, polyvinyl alcohol are added in blender to mix and be stirred until homogeneous, obtain compounding glue；
Step 2, continue to put into polyethyleneglycol laurel ether in blender, continue to put into terpinol and formamide and stir evenly
Obtain mixed glue solution；
Step 3, nano silica is put into blender and is mutually mixed with mixed glue solution to uniform state, then put into nanometer two
Titanium oxide continues to stir evenly, and obtains mixed slurry；
Step 4, mixed slurry is knocked down into capable grinding, obtains levigate slurry；
Step 5, levigate slurry and acrylic emulsion are uniformly mixed, obtain emulsion paint.
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| CN111718637A (en) * | 2020-07-13 | 2020-09-29 | 温州绿瑜建设有限公司 | Wall paint for decoration and preparation method thereof |
| CN111732859A (en) * | 2020-07-12 | 2020-10-02 | 西卡(上海)管理有限公司 | Low-viscosity interface agent and anti-water-diversion detection method |
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