CN104559576B - Single-component water-based dumb light coating varnish and preparation method thereof - Google Patents
Single-component water-based dumb light coating varnish and preparation method thereof Download PDFInfo
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- CN104559576B CN104559576B CN201510050771.6A CN201510050771A CN104559576B CN 104559576 B CN104559576 B CN 104559576B CN 201510050771 A CN201510050771 A CN 201510050771A CN 104559576 B CN104559576 B CN 104559576B
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- dumb light
- flocculant
- light coating
- coating varnish
- thickening agent
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
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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
- C09D7/65—Additives macromolecular
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of single-component water-based dumb light coating varnish and preparation method thereof, the varnish is made up of following components by mass percentage, including：Acrylic emulsion 30～90%, thickening agent 0.1～3.0%, defoamer 0.1～2.0%, coalescents 3.0～8.0%, antifreezing agent 0.5～6.0%, flocculant 0.1～1.0% and water 0.1～50%.Method is：Add water in container, add flocculant while stirring, stirring 5min is uniformly dispersed under 300～400rmp rotating speeds, obtains flocculant solution；Acrylic emulsion, coalescents, antifreezing agent and defoamer are added in another container, 300～500rmp rotating speeds are stirring evenly and then adding into flocculant solution, 5min is to being uniformly dispersed for stirring, adds thickening agent, and 300～700rmp rotating speeds stirring 5min mix homogeneously obtains the varnish.Matte effect is realized by flocculation, it is to avoid add adverse effect of the flatting silica to varnish.
Description
Technical field
The present invention relates to building coating, more particularly to a kind of single-component water-based coating varnish preparation with matte effect
Method.
Background technology
In order to further protect outer wall coating, outer wall building coating generally to need after construction to brush coating varnish, so as to
Improve the weatherability of coating, stain resistance and meet special decorative effect.Coating varnish can be divided into aqueouss Lacquer finish by type
Varnish and oiliness coating varnish.Conventional water-based finishing varnish main component is polymer emulsion, is characterized in that paint film is smooth, light
Ze Dugao, during large-area construction easily produces the equation of light, phenomenon of growing dim occurs.Aqueouss dumb light coating varnish can be very convenient
Ground solves this problem.
At present, the preparation method of aqueouss dumb light coating varnish is mainly divided is obtained by adding flatting silica in polymer emulsion
?.By adding flatting silica, after film forming, the flatting silica particle being distributed in paint film forms a kind of slightly rough surface to coating so that
Surface irregularity, increases to scattering of light and reduces reflection, so as to produce the matte effect of low gloss.But due to flatting silica material
The restriction of material self character, flatting silica difficulties in dispersion in polymer emulsion, longer-term storage easily produce sedimentation.Additionally, due to disappearing
Light powder poor transparency, easily causes laccase prodution, the phenomenon that permeability reduces.
Content of the invention
The problems of based on above-mentioned prior art, the present invention provide a kind of single-component water-based dumb light coating varnish and its
Preparation method, is avoided that flatting silica difficulties in dispersion longer-term storage easily produces sedimentation and affects varnish transparency, causes paint film to send out
The problem for reducing with permeability in vain.
For solving above-mentioned technical problem, the present invention provides a kind of single-component water-based dumb light coating varnish, and the varnish is by by matter
The following components of amount percentages is made, including：
In above-mentioned varnish, flocculant is high volence metal ion inorganic salt or cationic polyelectrolyte.High volence metal ion without
Machine salt is selected from：Any one in calcium chloride, aluminum sulfate, magnesium sulfate, zinc sulfate or combinations thereof；Cationic polyelectrolyte is selected from：
PAMC, polyacrylamide oxy-ethyl-trimethyl salmiac, polymethyl acyloxyethyl trimethyl ammonium chloride, poly-
Any one in dimethyl diallyl ammonium chloride or combinations thereof.
In above-mentioned varnish, thickening agent is using polyurethaness thickening agent or cellulose ether thickening agent；Or using other not with wadding
Solidifying agent produces the thickening agent of precipitation.
In above-mentioned varnish, defoamer adopts silicone defoamer；Coalescents adopt alcohol ester 12；Antifreezing agent adopts third
Glycol.
Preferably, in above-mentioned varnish, flocculant can adopt high volence metal ion inorganic salt (such as calcium chloride, aluminum sulfate, sulphuric acid
Magnesium, zinc sulfate) and cationic polyelectrolyte (such as PAMC, polyacrylamide oxy-ethyl-trimethyl salmiac, poly- first
Base acrylyl oxy-ethyl-trimethyl salmiac, PDDA etc.)；Thickening agent need to use polyurethaness thickening
Agent, cellulose ether thickening agent or with flocculant produce precipitation other type thickeners.
The embodiment of the present invention also provides a kind of preparation method of single-component water-based dumb light coating varnish, for preparing the present invention
Single-component water-based dumb light coating varnish, including：
First add water in container, add flocculant while stirring, stirring 5min is equal to disperseing under 300～400rmp rotating speeds
Even, obtain flocculant solution；
Acrylic emulsion, coalescents, antifreezing agent and defoamer are added in another container, under 300～500rmp rotating speeds
Stir.Then the flocculant solution is slowly added thereto to, is continued stirring 5min to being uniformly dispersed, is added thickening
Agent, 300～700rmp rotating speeds stirring 5min mix homogeneously obtain single-component water-based dumb light coating varnish.
Beneficial effects of the present invention are：The varnish is by adding appropriate flocculant in acrylic emulsion so that emulsion exists
Keep stable in storing process, after brushing construction, with moisture evaporation, flocculant concentration increases in system, under stability of emulsion
Flocculation phenomenon drops and produces.Flocculation can cause coating surface roughness descent, gloss to reduce.Meanwhile, flocculated by adjusting
Agent consumption, in that context it may be convenient to reconcile flocculating strength, and then reconcile the glossiness of paint film.Because realizing in the case of flatting silica is not added
Matte effect, it is to avoid the difficulties in dispersion that caused using flatting silica, longer-term storage be also easy to produce sedimentation and affect to dry after paint film
Transparency, the problems such as cause laccase prodution and permeability to reduce.
Specific embodiment
Below to the embodiment of the present invention in technical scheme be clearly and completely described, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.It is based on embodiments of the invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to protection scope of the present invention.
With reference to specific embodiment, the invention will be further described.
Embodiment one
In the present embodiment, the mass percent of each component is made up of following components：
| Component | Mass percent |
| Acrylic emulsion | 70.0% |
| Thickening agent | 1.0% |
| Defoamer | 0.5% |
| Coalescents | 3.5% |
| Antifreezing agent | 1.5% |
| Flocculant | 0.4% |
| Water | 23.1% |
Aforesaid propylene yogurt liquid adopts 2800 emulsion of Henkel；Thickening agent adopts polyurethane thickener SN-612NC；Defoamer
Using silicone defoamer BYK024；Coalescents adopt alcohol ester 12；Antifreezing agent adopts Propylene Glycol；Flocculant is using anhydrous
Calcium chloride；Water adopts tap water.
The preparation method of the single-component water-based dumb light coating varnish of the present embodiment is：According to formula in the present embodiment table, first
Add water in container, add flocculant while stirring, stirring 5min is flocculated to being uniformly dispersed under 300-400rmp rotating speeds
Agent solution；
Acrylic emulsion, coalescents, antifreezing agent and defoamer are added in another container, is stirred under 300-500rmp rotating speeds
Mix uniform.Then flocculant solution is slowly added thereto to, is continued stirring 5min to being uniformly dispersed, is added thickening agent, 300-
700rmp rotating speeds stirring 5min mix homogeneously obtains required single-component water-based dumb light coating varnish.
Embodiment two
In the present embodiment, the mass percent of each component is made up of following components：
| Component | Mass percent |
| Acrylic emulsion | 60.0% |
| Thickening agent | 0.5% |
| Defoamer | 0.5% |
| Coalescents | 3.5% |
| Antifreezing agent | 1.5% |
| Flocculant | 0.25% |
| Water | 33.75% |
Aforesaid propylene yogurt liquid adopts Ahmedabad richness RS-2709A emulsions；Thickening agent adopts cellulose ether thickening agent HBR250；
Defoamer adopts silicone defoamer BYK024；Coalescents adopt alcohol ester 12；Antifreezing agent adopts Propylene Glycol；Flocculant is adopted
Use aluminum sulfate；Water adopts tap water.
The preparation method of the single-component water-based dumb light coating varnish of the present embodiment is：According to formula in the present embodiment table, first
Add water in container, add flocculant while stirring, stirring 5min is flocculated to being uniformly dispersed under 300-400rmp rotating speeds
Agent solution；
Acrylic emulsion, coalescents, antifreezing agent and defoamer are added in another container, is stirred under 300-500rmp rotating speeds
Mix uniform.Then flocculant solution is slowly added thereto to, is continued stirring 5min to being uniformly dispersed, is added thickening agent, 300-
700rmp rotating speeds stirring 5min mix homogeneously obtains required single-component water-based dumb light coating varnish.
Embodiment three
In the present embodiment, the mass percent of each component is made up of following components：
| Component | Mass percent |
| Acrylic emulsion | 70.0% |
| Thickening agent | 0.2% |
| Defoamer | 0.5% |
| Coalescents | 3.5% |
| Antifreezing agent | 1.5% |
| Flocculant | 0.8% |
| Water | 23.0% |
Aforesaid propylene yogurt liquid adopts 2800 emulsion of Henkel；Thickening agent adopts polyurethane thickener SN-612NC；Defoamer
Using silicone defoamer BYK024；Coalescents adopt alcohol ester 12；Antifreezing agent adopts Propylene Glycol；Flocculant adopts quality
Concentration is 40% polymethyl acyloxyethyl trimethyl ammonia chloride ammonium salt solution；Water adopts tap water.
The preparation method of the single-component water-based dumb light coating varnish of the present embodiment is：According to formula in the present embodiment table, first
Add water in container, add flocculant while stirring, stirring 5min is flocculated to being uniformly dispersed under 300-400rmp rotating speeds
Agent solution；
Acrylic emulsion, coalescents, antifreezing agent and defoamer are added in another container, is stirred under 300-500rmp rotating speeds
Mix uniform.Then flocculant solution is slowly added thereto to, is continued stirring 5min to being uniformly dispersed, is added thickening agent, 300-
700rmp rotating speeds stirring 5min mix homogeneously obtains final product required single-component water-based dumb light coating varnish.
Obtained by the various embodiments described above, aqueouss dumb light coating varnish performance is as follows：
Can be seen that by above-mentioned performance table
The aqueouss dumb light coating varnish of the present invention, by adding flocculant, by way of flocculation, particularly scalable is wadded a quilt with cotton
Solidifying agent consumption, easily reconciles flocculating strength, and then the glossiness of conciliation paint film, such that it is able to realize without adding flatting silica
Matte effect, it is to avoid add flatting silica to realize the adverse effect that matte effect causes to coating varnish；As use flocculation is made
Glossiness is reconciled with the method for regulation and control paint film flatness, the materials such as flatting silica is not used, in storing process, is not likely to produce sedimentation, and
And paint film permeability is high after drying.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change or replacement that can readily occur in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (6)
1. a kind of single-component water-based dumb light coating varnish, it is characterised in that the varnish is by following components by mass percentage
Make, including：
The flocculant is using high volence metal ion inorganic salt or cationic polyelectrolyte.
2. single-component water-based dumb light coating varnish according to claim 1, it is characterised in that the high volence metal ion without
Machine salt is selected from：Any one in calcium chloride, aluminum sulfate, magnesium sulfate, zinc sulfate or combinations thereof；
The cationic polyelectrolyte is selected from：PAMC, polyacrylamide oxy-ethyl-trimethyl salmiac, poly- methyl
Any one in acrylyl oxy-ethyl-trimethyl salmiac, PDDA or combinations thereof.
3. single-component water-based dumb light coating varnish according to claim 1 and 2, it is characterised in that the thickening agent is adopted
Polyurethaness thickening agent or cellulose ether thickening agent.
4. single-component water-based dumb light coating varnish according to claim 1 and 2, it is characterised in that the thickening agent is adopted
The thickening agent of precipitation is not produced with flocculant.
5. single-component water-based dumb light coating varnish according to claim 1 and 2, it is characterised in that the defoamer is adopted
Silicone defoamer；
The coalescents adopt alcohol ester 12；
The antifreezing agent adopts Propylene Glycol.
6. the preparation method of single-component water-based dumb light coating varnish described in a kind of any one of claim 1 to 5, it is characterised in that
Including：
First add water in container, add flocculant while stirring, under 300～400rmp rotating speeds stirring 5min to being uniformly dispersed,
Obtain flocculant solution；
Acrylic emulsion, coalescents, antifreezing agent and defoamer are added in another container, is stirred under 300～500rmp rotating speeds
Uniformly, the flocculant solution is then slowly added thereto to, is continued stirring 5min to being uniformly dispersed, is added thickening agent, 300
～700rmp rotating speeds stirring 5min mix homogeneously obtains single-component water-based dumb light coating varnish.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510050771.6A CN104559576B (en) | 2015-01-30 | 2015-01-30 | Single-component water-based dumb light coating varnish and preparation method thereof |
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| CN104559576A CN104559576A (en) | 2015-04-29 |
| CN104559576B true CN104559576B (en) | 2017-03-15 |
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| CN111423775B (en) * | 2019-12-26 | 2021-07-06 | 浙江潘季新材料股份有限公司 | Single-component water-based finishing varnish and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101375000A (en) * | 2006-01-25 | 2009-02-25 | 巴科曼实验室国际公司 | Papermaking processes using coagulants and optical brighteners |
| CN102020905A (en) * | 2010-12-14 | 2011-04-20 | 惠州市长润发涂料有限公司 | One-component water-based semi-gloss varnish and preparation method thereof |
| CN103013251A (en) * | 2012-11-26 | 2013-04-03 | 安徽西格尔涂料科技有限公司 | Preparation method of special acetone-resistant water varnish |
-
2015
- 2015-01-30 CN CN201510050771.6A patent/CN104559576B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101375000A (en) * | 2006-01-25 | 2009-02-25 | 巴科曼实验室国际公司 | Papermaking processes using coagulants and optical brighteners |
| CN102020905A (en) * | 2010-12-14 | 2011-04-20 | 惠州市长润发涂料有限公司 | One-component water-based semi-gloss varnish and preparation method thereof |
| CN103013251A (en) * | 2012-11-26 | 2013-04-03 | 安徽西格尔涂料科技有限公司 | Preparation method of special acetone-resistant water varnish |
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