CN105482570B - Exterior wall alkali-resistant primer and preparation method thereof - Google Patents
Exterior wall alkali-resistant primer and preparation method thereof Download PDFInfo
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- CN105482570B CN105482570B CN201610023396.0A CN201610023396A CN105482570B CN 105482570 B CN105482570 B CN 105482570B CN 201610023396 A CN201610023396 A CN 201610023396A CN 105482570 B CN105482570 B CN 105482570B
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- exterior wall
- resistant primer
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- wall alkali
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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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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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
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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
- C09D7/63—Additives non-macromolecular organic
Abstract
The present invention relates to a kind of exterior wall alkali-resistant primer and preparation method thereof, wherein the exterior wall alkali-resistant primer raw material includes aqueous priming paint lotion 30.00%~45.00% by mass percentage；Pigment 5.10 12.00%；Filler 15.00~35.00%；Wetting agent 0.10 0.20%；Dispersant 0.30~0.60%；PH conditioning agents 0.05~0.15%；Defoamer 0.10~0.50%；Preservative 0.10~0.30%；Hydroxyethyl cellulose 0.10 0.30%；Thickener 0.20~0.60%；Coalescents 2.60~4.00%；Antifreezing agent 0.10~0.20%；Slow-release naphthalene water reducer, that is, organic base modified naphthalene sulfonate formaldehyde condensation products 2.00~5.00% and water 18.00~25.00%.Employ exterior wall alkali-resistant primer in the invention and preparation method thereof, play closing basic unit alkalescence for exterior wall putty or mortar, reduce the film defect caused by the accumulation of salt in the surface soil, improve the coating system service life, it is low to basic unit's screed or putty layer curing requirements, shorten the exterior wall coating decoration phase, meet current domestic decoration of exterior wall actual conditions, there is very extensive promotional value.
Description
Technical field
The present invention relates to exterior wall paint field, more particularly to exterior wall base paint field, in particular to a kind of exterior wall alkali-resistant primer and
Its preparation method.
Background technology
In China's external wall construction, it is tight the duration often occur, and construction interval is short, screed or insulating layer, putty layer construction
Afterwards, the Safety Maintenance phase less than just coating application is carried out, causes veneer coating to occur the floating of the paint film accumulation of salt in the surface soil, colour fading after constructing, play drum
The disadvantages such as cracking, peeling, influence the dicoration and service life of coating.For current China's building external paint construction status and
There is the accumulation of salt in the surface soil after outer wall water-based coating construction, the disadvantage such as saltout makes a kind of closing alkali-resistant primer of low base treatment requirement, solution
Certainly because the duration is nervous, mortar putty curing period, is inadequate, paint film accumulation of salt in the surface soil floating caused by basic unit's alkalescence is excessive, colour fading, cracking and
The film defects such as drum.
The content of the invention
The shortcomings that the purpose of the present invention is overcoming the above-mentioned prior art, there is provided one kind can realize reduction because the accumulation of salt in the surface soil draws
The film defect that rises, the exterior wall alkali-resistant primer and preparation method thereof for improving the coating system service life.
To achieve these goals, the present invention has following form：
The exterior wall alkali-resistant primer, it is mainly characterized by, and the exterior wall alkali-resistant primer includes slow-release naphthalene water reducer, institute
The priming paint raw material stated includes according to mass percent：
Aqueous priming paint lotion 30.00%~45.00%；
Pigment 5.10~12.00%；
Filler 15.00~35.00%；
Wetting agent 0.10~0.20%；
Dispersant 0.30~0.60%；
PH conditioning agents 0.05~0.15%；
Defoamer 0.10~0.50%；
Preservative 0.10~0.30%；
Hydroxyethyl cellulose 0.10~0.30%；
Thickener 0.20~0.60%；
Coalescents 2.60~4.00%；
Antifreezing agent 0.10~0.20%；
Slow-release naphthalene water reducer 2.00~5.00%；And
Water 18.00~25.00%.
Preferably, the slow-release naphthalene water reducer is organic base modified naphthalene sulfonate formaldehyde condensation products.
It is highly preferred that the pH value of the exterior wall alkali-resistant primer is 7.5~9.0.
It is further preferred that the pigment includes：Rutile titanium white powder, powdered whiting, kaolin.
It is further preferred that the dispersant includes polycarboxylic acids ammonium salt, ammonium polyacrylate salt or its composition.
Still further preferably, the antifreezing agent is propane diols, ethylene glycol or its composition.
Most preferably, the water is deionized water.
The exterior wall alkali-resistant primer and preparation method thereof, it is mainly characterized by, and the preparation method includes：
According to component requirements, the deionized water, cellulose, wetting dispersing agent agent, defoamer, PH conditioning agents are added
Produce in kettle, stirred evenly with high speed dispersion agent, stir lower addition color stuffing, slow-release naphthalene water reducer and high speed dispersion,
The lotion, coalescents, antifreezing agent, thickener are added under the speed of agitator of 400~600rpm, is uniformly mixed.
Preferably, the high speed dispersion is below 40 μm of fineness of dispersion.
Exterior wall alkali-resistant primer in the invention and preparation method thereof is employed, closing basic unit is played for exterior wall putty or mortar
The effect of alkalescence, reduces the film defect caused by the accumulation of salt in the surface soil, improves the coating system service life, and basic unit's screed or putty layer are conserved
It is required that low, shorten the exterior wall coating decoration phase, because the duration is nervous in exterior wall application at home of having determined, cement mortar, heat preservation putty and
Exterior wall putty curing time is inadequate, the influence of the not high External Wall architectural surface of basic unit's alkalescence releasing degree, can shorten exterior wall painting
The duration is filled, reduces application expense, meets current domestic decoration of exterior wall actual conditions, there is very extensive promotional value.
Embodiment
In order to more clearly describe the technology contents of the present invention, carried out with reference to specific embodiment further
Description.
Raw material effect and source in embodiment：
Primer emulsion is selected with outstanding closure, adhesive property, water resistance, alkali resistance, the lotion of chemical stability,
As DOW Chemical hundred goes through 420 lotions of DC of rubbing, Shanghai Ahmedabad richness RS-306 lotions.
Naphthalenesulfonate formaldehyde condensation compound (naphthalene water reducer) has very strong peptizaiton to cement particle, in concrete system
The dosage of water can be reduced in work, improves the initial slump of concrete, has significantly early strong, enhancing effect to concrete, improves
The Yi Hexing of concrete, improves the physical and mechanical property of concrete, is widely used in concrete for making.Sustained release is modified to be had
Machine alkali modification naphthalene sulfonic salt formaldehyde condensation products (slow-release naphthalene water reducer) are insoluble in water under neutral and weak basic condition,
It can be dissolved under alkaline condition of the pH value more than 12 in alkaline water, using the concentration for making water-reducing agent in system in concrete for making
It is maintained or lasting growth achievees the purpose that to reduce slump-loss.The present invention uses in water-based exterior wall seal coat
It is filler to add slow-release naphthalene water reducer (organic base modified naphthalene sulfonate formaldehyde condensation products), when the hydrogen-oxygen that hydrated cementitious produces
Change calcium to ooze out when prime coat runs into slow-release naphthalene water reducer (organic base modified naphthalene sulfonate formaldehyde condensation products) with moisture, delay
The dissolving of type naphthalene water reducer and calcium hydroxide generation sulfoacid calcium are released, prevents calcium hydroxide from oozing out paint film, avoids going out in coating surface
Existing calcium hydroxide causes the destruction of paint film floating and lye to finishing coat with Carbon Dioxide in Air generation calcium carbonate.The sustained release
Type naphthalene water reducer is organic base modified naphthalene sulfonate formaldehyde condensation products, sh- II such as Shanghai Yao Qian architectural finishes Co., Ltd,
Shanghai perseverance Foucault skill HF retardation water reducing agents etc..
Rutile titanium white powder, powdered whiting, kaolin etc. can be selected in the color stuffing material.The rutile type titanium
White powder is Sichuan dragon boa R996, center China source R2196 etc..Powdered whiting is the CC700 of the wide good fortune in Jiangling, kaolin is Shanxi gold
DB80 of sun etc..
The dispersant is preferably the polycarboxylic acids ammonium salt and/or ammonium polyacrylate that dispersion performance is good, has excellent water-resistance
Dipersant, such as Nuo Pu sections SN-5040 acrylic acid sodium salts.
The wetting agent is the wetting agent CF-10 or wetting agent X-405 of Dow Chemical.
Conventional use of PH conditioning agents in paint field can be selected in the PH conditioning agents, for the pH adjustment of coating to be existed
In the range of 7.5~9.0, the 2-amino-2-methyl-1-propanol of water-resistance property of coating is not influenced preferably, as Dow Chemical gives birth to
The AMP-95 of production.
Defoamer NXZ, the DF 5800C of Rhodia that the defoamer such as Nippon Nopco Assistant Co., Ltd. sells
Middle one or more.
The preservative such as LXE of the preservative HF of Sol chemistry, DOW Chemical etc..
The thickener rises thickener compounding for HEC celluloses and association type alkali soluble, moistens such as Shanghai Australia and provides Germany's letter
HS30000YP2 hydroxyethyl celluloses more, the HBR250 etc. of sub- Silan and the TT-935 association type alkali solubles of DOW Chemical rise thickening
Agent etc..
The coalescents Texanol of the coalescents such as Eastman Chemical Company (EASTMAN).
The propane diols and/or ethylene glycol of the antifreezing agent such as DOW Chemical.
The water is deionized water.
Embodiment 1：
The each group distribution ratio of water-based exterior wall seal coat coating is (wt%)：
Preparation method comprises the following steps：According to formula, by deionized water, cellulose, wetting dispersing agent agent, defoamer,
PH conditioning agents are added in production kettle, are stirred evenly with high speed dispersion agent, stir lower addition color stuffing, slow-release naphthalene water reducer simultaneously
Below high speed dispersion to 40 μm of fineness, lotion, coalescents, antifreezing agent, thickener are added under the speed of agitator of 500rpm, is mixed
Close uniform.
Embodiment 2：
The each group distribution ratio of water-based exterior wall seal coat coating is (wt%)：
Preparation method comprises the following steps：According to formula, by deionized water, cellulose, wetting dispersing agent agent, defoamer,
PH conditioning agents are added in production kettle, are stirred evenly with high speed dispersion agent, stir lower addition color stuffing, slow-release naphthalene water reducer simultaneously
Below high speed dispersion to 40 μm of fineness, lotion, coalescents, antifreezing agent, thickener are added under the speed of agitator of 400rpm, is mixed
Close uniform.
Embodiment 3：
The each group distribution ratio of water-based exterior wall seal coat coating is (wt%)：
Preparation method comprises the following steps：According to formula, by deionized water, cellulose, wetting dispersing agent agent, defoamer,
PH conditioning agents are added in production kettle, are stirred evenly with high speed dispersion agent, stir lower addition color stuffing, slow-release naphthalene water reducer simultaneously
Below high speed dispersion to 40 μm of fineness, lotion, coalescents, antifreezing agent, thickener are added under the speed of agitator of 600rpm, is mixed
Close uniform.
Embodiment 4：
Material in being formulated more than, makes the excellent alkali-resistant sealing primer of traditional performance, is carried out with each embodiment product
Alkali resistant closed performance is tested, and conventional primer formula (each group distribution ratio is wt%) is as follows：
It is spare that product is made by following technique：By deionized water, cellulose, wetting dispersing agent agent, defoamer, PH conditioning agents
Add in production kettle, stirred evenly with high speed dispersion agent, stir lower addition color stuffing, slow-release naphthalene water reducer and high speed dispersion
To 40 μm of fineness, lotion, coalescents, antifreezing agent, thickener are added under the speed of agitator of 500rpm, is uniformly mixed i.e.
Can.
Embodiment compares：
Using commercially available building building cement, building yellow ground, in mass ratio 1：3 mixing, add suitable quantity of water to stir evenly, and criticize and spread to cement
Mortar face, after mortar is dried 7 days and is 1 month dry, 4 embodiment products is uniformly brushed in cement sand pulp respectively, are done
The accumulation of salt in the surface soil test of water drenching test finishing coat surface is done in brushing water-soluble latex paint for exposed wall, drying again after 7 days after dry 2 days, and test result is as follows：
Application test result such as table 1 below after 7 days dry：
Table 1：7 days test results
| Test priming paint | Accumulation of salt in the surface soil situation |
| Embodiment 1 | Finishing coat surface is normal, no accumulation of salt in the surface soil |
| Embodiment 2 | Finishing coat surface is normal, no accumulation of salt in the surface soil |
| Embodiment 3 | Finishing coat surface is normal, no accumulation of salt in the surface soil |
| Embodiment 4 | Finishing coat surface has watermark shape white object to separate out, lacquer painting floating, and color is inconsistent |
Application test result such as table 2 below after one month dry：
Table 2：One month test result
| Test priming paint | Accumulation of salt in the surface soil situation |
| Embodiment 1 | Finishing coat surface is normal, no accumulation of salt in the surface soil |
| Embodiment 2 | Finishing coat surface is normal, no accumulation of salt in the surface soil |
| Embodiment 3 | Finishing coat surface is normal, no accumulation of salt in the surface soil |
| Embodiment 4 | Finishing coat surface is normal, no accumulation of salt in the surface soil |
It was found from experiment, product of the present invention has obvious closing alkali resistant effect, can close because of maintaining cement mortar not
Destruction of the lye produced enough to coating finish, can be obviously shortened the construction time limit.
Exterior wall alkali-resistant primer in the invention and preparation method thereof is employed, closing basic unit is played for exterior wall putty or mortar
The effect of alkalescence, reduces the film defect caused by the accumulation of salt in the surface soil, improves the coating system service life, and basic unit's screed or putty layer are conserved
It is required that low, shorten the exterior wall coating decoration phase, because the duration is nervous in exterior wall application at home of having determined, cement mortar, heat preservation putty and
Exterior wall putty curing time is inadequate, the influence of the not high External Wall architectural surface of basic unit's alkalescence releasing degree, can shorten exterior wall painting
The duration is filled, reduces application expense, meets current domestic decoration of exterior wall actual conditions, there is very extensive promotional value.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that it can still make
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification is considered as illustrative rather than limit
Property processed.
Claims (8)
1. a kind of exterior wall alkali-resistant primer, it is characterised in that the exterior wall alkali-resistant primer includes slow-release naphthalene water reducer, described
Priming paint raw material include according to mass percent：
Aqueous priming paint lotion 30.00%~45.00%；
Pigment 5.10~12.00%；
Filler 15.00~35.00%；
Wetting agent 0.10~0.20%；
Dispersant 0.30~0.60%；
PH adjusting agent 0.05~0.15%；
Defoamer 0.10~0.50%；
Preservative 0.10~0.30%；
Hydroxyethyl cellulose 0.10~0.30%；
Thickener 0.20~0.60%；
Coalescents 2.60~4.00%；
Antifreezing agent 0.10~0.20%；
Slow-release naphthalene water reducer 2.00~5.00%, the slow-release naphthalene water reducer are organic base modified naphthalene sulfonate first
Aldehyde condensate；And
Water 18.00~25.00%.
2. exterior wall alkali-resistant primer according to claim 1, it is characterised in that the pH value of the exterior wall alkali-resistant primer is
7.5~9.0.
3. exterior wall alkali-resistant primer according to claim 1, it is characterised in that the pigment includes：Rutile titanium white powder,
Powdered whiting, kaolin.
4. exterior wall alkali-resistant primer according to claim 1, it is characterised in that the dispersant include polycarboxylic acids ammonium salt,
Ammonium polyacrylate salt or its composition.
5. exterior wall alkali-resistant primer according to claim 1, it is characterised in that the antifreezing agent is propane diols, ethylene glycol
Or its composition.
6. exterior wall alkali-resistant primer according to claim 1, it is characterised in that the water is deionized water.
7. the preparation method of exterior wall alkali-resistant primer according to claim 1, it is characterised in that the preparation method bag
Include：
According to component requirements, the water, hydroxyethyl cellulose, wetting agent, dispersant, defoamer, pH adjusting agent are added into life
Produce in kettle, stirred evenly with high speed dispersor, stir lower addition pigment, filler, slow-release naphthalene water reducer and high speed dispersion,
The aqueous priming paint lotion, coalescents, antifreezing agent, thickener are added under the speed of agitator of 400~600rpm, mixing is equal
It is even.
8. the preparation method of exterior wall alkali-resistant primer according to claim 7, it is characterised in that the high speed dispersion is point
Dissipate below 40 μm of fineness.
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| CN106009952A (en) * | 2016-06-28 | 2016-10-12 | 安徽真信涂料有限公司 | Preparation method of external wall alkali-resistant primer |
| CN105949974A (en) * | 2016-07-07 | 2016-09-21 | 张学健 | Supporting primer special for elastic exterior wall coating |
| CN107384049A (en) * | 2017-09-22 | 2017-11-24 | 苏州振振好新型建材科技有限公司 | A kind of high adhesion force high osmosis exterior wall alkali-resistant primer and preparation method thereof |
| TWI668091B (en) * | 2018-04-12 | 2019-08-11 | 大陸商漳州三德利油漆塗料有限公司 | High adhesion water-based waterproof primer and preparation method and application thereof |
| CN109096920A (en) * | 2018-08-01 | 2018-12-28 | 淮北庆丰涂料有限公司 | A kind of exterior wall alkali-resistant primer and preparation method thereof |
| CN109880448A (en) * | 2019-03-14 | 2019-06-14 | 赵雪亮 | Novel anti-stick patch black backing varnish of one kind and preparation method thereof |
| CN114605874A (en) * | 2022-04-10 | 2022-06-10 | 上海三银涂料科技股份有限公司 | Reinforced alkali-resistant permeable primer and preparation method thereof |
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| CN102311686A (en) * | 2011-10-13 | 2012-01-11 | 沈阳顺风新城建筑材料有限公司 | White antialkali sealing priming paint and its preparation method |
| CN102838910A (en) * | 2012-09-20 | 2012-12-26 | 合众（佛山）化工有限公司 | Preparation method for cationic silicone/acrylic emulsion alkali resistant seal primer |
| CN103804972A (en) * | 2012-11-07 | 2014-05-21 | 哈尔滨鸿雁翔贸易有限公司 | Production method for fireproof and water resistant polymer coating |
| CN104592819B (en) * | 2014-12-26 | 2018-07-31 | 三棵树涂料股份有限公司 | A kind of economic exterior coating and preparation method thereof |
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