CN110760223A - Water-based single-color paint and preparation method thereof - Google Patents
Water-based single-color paint and preparation method thereof Download PDFInfo
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- CN110760223A CN110760223A CN201910949074.2A CN201910949074A CN110760223A CN 110760223 A CN110760223 A CN 110760223A CN 201910949074 A CN201910949074 A CN 201910949074A CN 110760223 A CN110760223 A CN 110760223A
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- 239000003973 paint Substances 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims abstract description 25
- 239000000839 emulsion Substances 0.000 claims abstract description 24
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 18
- 239000002562 thickening agent Substances 0.000 claims abstract description 18
- 239000004593 Epoxy Substances 0.000 claims abstract description 16
- 239000006184 cosolvent Substances 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 16
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 16
- 150000002148 esters Chemical class 0.000 claims abstract description 16
- 239000000080 wetting agent Substances 0.000 claims abstract description 16
- 239000013530 defoamer Substances 0.000 claims abstract description 11
- 239000003112 inhibitor Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 20
- -1 polysiloxane Polymers 0.000 claims description 13
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 230000003472 neutralizing effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 4
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000013522 chelant Substances 0.000 claims description 4
- 229960002887 deanol Drugs 0.000 claims description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 4
- 239000012972 dimethylethanolamine Substances 0.000 claims description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N ethyl butylhexanol Natural products CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims description 3
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 2
- 239000002905 metal composite material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 230000031877 prophase Effects 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 235000013799 ultramarine blue Nutrition 0.000 description 13
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 235000010288 sodium nitrite Nutrition 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- 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 relates to the technical field of coatings, and particularly discloses a water-based single-color paint and a preparation method thereof. The water-based single-color paint comprises the following components in parts by weight: 15-30 parts of water-based epoxy ester resin, 40-60 parts of styrene-acrylic emulsion, 0.5-1 part of drier, 2-5 parts of cosolvent, 1-3 parts of neutralizer, 1-3 parts of dispersant, 0.5-1 part of defoamer, 10-20 parts of ultramarine, 5-10 parts of film-forming assistant, 0.5-1 part of base material wetting agent, 2-5 parts of flash rust inhibitor, 0.5-1 part of thickener and 10-30 parts of deionized water. The water-based single-color paint has the characteristics of good stability, high pigment compatibility, no flooding, good water resistance and corrosion resistance and high drying speed.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based single-color paint and a preparation method thereof.
Background
The traditional single-color paint is generally a solvent-type paint, the dispersion medium of the solvent-type paint is an organic solvent, and the organic solvent volatilized from a coating film belongs to toxic and harmful substances, so that the paint is harmful to a human body and pollutes the natural environment. Therefore, the current water-based paint with ultra-low VOC content becomes the development direction of the paint industry, the water-based paint adopts water as a diluent, belongs to non-dangerous chemicals, has the characteristics of safety, environmental protection and no toxicity, and part of the water-based paint has better properties with solvent-based paint. However, the existing water-based single-color paint is easy to yellow after long-term use, especially white and blue single-color paint.
The ultramarine blue is the oldest blue inorganic pigment, has bright color, can eliminate yellow color light in substances, further avoids the phenomenon that a paint film is easy to yellow after being used for a long time, but has the characteristic of poor compatibility with most resins, so that after the ultramarine blue is added into a single-color paint, the paint is easy to have the characteristics of flooding, poor water resistance and poor weather resistance, and meanwhile, the addition of the ultramarine blue can reduce the drying speed of the paint film, so that the emulsion breaking phenomenon is easy to occur in the mechanical mixing process of the paint, and the stability of the paint is reduced.
Disclosure of Invention
The invention provides a water-based single-color paint and a preparation method thereof, aiming at the problems of poor stability, easy flooding, poor water resistance and weather resistance and low drying speed of a coating caused by poor compatibility between resin and ultramarine blue in the existing single-color paint when ultramarine blue is added as a pigment.
In order to achieve the purpose of the invention, the embodiment of the invention adopts the following technical scheme:
the water-based single-color paint comprises the following components in parts by weight:
15-30 parts of water-based epoxy ester resin, 40-60 parts of styrene-acrylic emulsion, 0.5-1 part of drier, 2-5 parts of cosolvent, 1-3 parts of neutralizer, 1-3 parts of dispersant, 0.5-1 part of defoamer, 10-20 parts of ultramarine, 5-10 parts of film-forming assistant, 0.5-1 part of base material wetting agent, 2-5 parts of flash rust inhibitor, 0.5-1 part of thickener and 10-30 parts of deionized water.
Compared with the prior art, the waterborne single-color paint provided by the invention combines the waterborne epoxy resin and the styrene-acrylic emulsion together to be used as a film-forming substance, so that the compatibility between the ultramarine blue and the film-forming substance can be improved, the stability of the ultramarine blue in the paint is increased, and the phenomenon of flooding of the ultramarine blue in the paint is avoided; on the other hand, due to the combination of the water-based epoxy resin and the styrene-acrylic emulsion, in the film forming process, the formed polymer has good dispersing and coating effects on ultramarine blue to form a paint film with good compactness, the water resistance of the paint film is improved by continuously closing fine channels in the paint film in the film forming process, the drying speed of the paint film is not influenced, the service performance of the water-based single-color paint is greatly improved, and the formed paint film has the excellent characteristics of quick drying, water resistance, corrosion resistance, good pigment dispersibility and no yellowing of the paint film; in addition, the water-based single-color paint provided by the invention has better compatibility with other water-based paints, can be independently used as color mixing paste to be added into other water-based paints for use without color floating, and is multifunctional water-based single-color paint.
Preferably, the type of the waterborne epoxy ester resin is GS-5000B; the model of the styrene-acrylic emulsion is 0612.
The combination of the two film-forming substances can increase the drying speed of a paint film, increase the stability of ultramarine in the paint and avoid the demulsification phenomenon in the mechanical stirring process.
Preferably, the drier is an aqueous metal composite drier, and TP-026 drier can be selected; the cosolvent is one or a combination of more of ethylene glycol butyl ether, dipropylene glycol methyl ether and dipropylene glycol butyl ether.
Preferably, the neutralizing agent is one or two of triethylamine and dimethylethanolamine.
Preferably, the dispersant is a high molecular weight block copolymer solution containing pigment affinity groups, and can be selected from an XH-9001 dispersant; the defoaming agent is polysiloxane.
Preferably, the film forming aid is one or a combination of two of dodecyl alcohol ester and diethylene glycol butyl ether.
Preferably, the base material wetting agent is one or a combination of two of alkyl polyoxyethylene ether and polyether modified polydimethylsiloxane.
Preferably, the flash rust prevention is a mixture of an organic zinc chelate and nitrite; the organic zinc chelate is selected from NALZIN FA 179 of Hamming Siemens.
More preferably, the flash rust prevention stain consists of NALZIN FA 179 and sodium nitrite in a mass ratio of 1-3: 1.
The addition of the nitrite can improve the action effect of the organic zinc chelate and reduce the addition amount of the flash rust prevention.
Preferably, the thickener is an associative polyurethane thickener, and can be selected from DeuRheo WT-204 of Hamming.
The invention also provides a preparation method of the water-based single-color paint, which at least comprises the following steps:
a. mixing water-based epoxy ester resin, cosolvent, drier and 1/2 parts by weight of neutralizer, stirring for 10-15min at 400r/min, sequentially adding 1/2 parts by weight of deionized water, dispersant and defoamer, adjusting the stirring speed to 600 + 800r/min, stirring for 5-10min, adding ultramarine and flash rust inhibitor, and grinding until the fineness is less than or equal to 25 mu m to obtain prophase slurry;
b. and sequentially adding the rest of deionized water, the rest of neutralizing agent, the film-forming aid and the substrate wetting agent into the styrene-acrylic emulsion, stirring for 5-10min at 500r/min, adding the early-stage slurry, and adjusting to the construction viscosity by using the thickening agent to obtain the water-based single-color paint.
Compared with the prior art, the preparation method of the water-based single-color paint provided by the invention is simple to operate, has low requirements on equipment, can be used independently or used as color paste to be added into other water-based paints, has good compatibility and stability, and is a multipurpose water-based single-color paint.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The water-based single-color paint comprises the following components in parts by weight:
15 parts of water-based epoxy ester resin, 60 parts of styrene-acrylic emulsion, 0.5 part of drier, 2 parts of cosolvent, 1 part of neutralizer, 1 part of dispersant, 0.5 part of defoamer, 10 parts of ultramarine, 5 parts of film-forming assistant, 0.5 part of base material wetting agent, 2 parts of flash rust inhibitor, 0.5 part of thickener and 10 parts of deionized water.
Wherein the water-based epoxy ester resin is GS-5000B water-based epoxy resin of Guangxi trees of Changzhou; the styrene-acrylic emulsion is 0612 emulsion of Wanhua chemistry; the drier is TP-026 drier; the cosolvent is ethylene glycol butyl ether; the neutralizer is triethylamine; the dispersant is XH-9001 dispersant; the defoaming agent is polysiloxane; ultramarine blue 5008 is provided by Kaiyn chemical Co., Ltd; the film-forming additive is dodecyl alcohol ester; the base material wetting agent is alkyl polyoxyethylene ether; the anti-flash rust comprises NALZIN FA 179 and sodium nitrite of a Hamming moded with a mass ratio of 1: 1; the thickening agent is DeuRheo WT-204 of Haimines.
The preparation method of the water-based single-color paint comprises the following steps:
a. mixing water-based epoxy ester resin, cosolvent, drier and 1/2 parts of neutralizer according to the weight ratio, stirring for 10min at 300r/min, sequentially adding 1/2 parts of deionized water, dispersant and defoamer, adjusting the stirring speed to 600r/min, stirring for 5min, sequentially adding ultramarine and flash rust inhibitor, and grinding until the fineness is less than or equal to 25um to obtain early-stage slurry;
b. and sequentially adding the rest of deionized water, the rest of neutralizing agent, the film forming aid and the substrate wetting agent into the styrene-acrylic emulsion, stirring for 5min at 300r/min, then adding the early-stage slurry, and adjusting to the construction viscosity by using the thickening agent to obtain the water-based monochromatic paint.
Example 2
The water-based single-color paint comprises the following components in parts by weight:
25 parts of water-based epoxy ester resin, 50 parts of styrene-acrylic emulsion, 0.8 part of drier, 3 parts of cosolvent, 2 parts of neutralizer, 2 parts of dispersant, 0.7 part of defoamer, 15 parts of ultramarine, 8 parts of film-forming assistant, 0.8 part of base material wetting agent, 3 parts of flash rust inhibitor, 0.7 part of thickener and 20 parts of deionized water.
Wherein the water-based epoxy ester resin is GS-5000B water-based epoxy resin of Guangxi trees of Changzhou; the styrene-acrylic emulsion is 0612 emulsion of Wanhua chemistry; the drier is TP-026 drier; the cosolvent is dipropylene glycol methyl ether; the neutralizer is dimethylethanolamine; the dispersant is XH-9001 dispersant; the defoaming agent is polysiloxane; ultramarine blue 5008 is provided by Kaiyn chemical Co., Ltd; the film-forming auxiliary agent is diethylene glycol butyl ether; the base material wetting agent is polyether modified polydimethylsiloxane; the anti-flash rust comprises NALZIN FA 179 and sodium nitrite of a Hamming moded with a mass ratio of 2: 1; the thickening agent is DeuRheo WT-204 of Haimines.
The preparation method of the water-based single-color paint comprises the following steps:
a. mixing water-based epoxy ester resin, cosolvent, drier and 1/2 parts of neutralizer according to the weight ratio, stirring for 12min at 400r/min, sequentially adding 1/2 parts of deionized water, dispersant and defoamer, adjusting the stirring speed to 700r/min, stirring for 8min, sequentially adding ultramarine and flash rust inhibitor, and grinding until the fineness is less than or equal to 25um to obtain early-stage slurry;
b. and sequentially adding the rest of deionized water, the rest of neutralizing agent, the film forming aid and the substrate wetting agent into the styrene-acrylic emulsion, stirring for 8min at a speed of 400r/min, then adding the early-stage slurry, and adjusting to the construction viscosity by using the thickening agent to obtain the water-based monochromatic paint.
Example 3
An aqueous monochromatic paint, characterized in that: the paint comprises the following components in parts by weight:
30 parts of water-based epoxy ester resin, 40 parts of styrene-acrylic emulsion, 1 part of drier, 5 parts of cosolvent, 3 parts of neutralizer, 3 parts of dispersant, 1 part of defoamer, 20 parts of ultramarine, 10 parts of film-forming assistant, 1 part of substrate wetting agent, 5 parts of anti-flash rust agent, 1 part of thickener and 30 parts of deionized water.
Wherein the water-based epoxy ester resin is GS-5000B water-based epoxy resin of Guangxi trees of Changzhou; the styrene-acrylic emulsion is 0612 emulsion of Wanhua chemistry; the drier is TP-026 drier; the cosolvent is dipropylene glycol butyl ether; the neutralizer consists of triethylamine and dimethylethanolamine in a mass ratio of 1: 1; the dispersant is XH-9001 dispersant; the defoaming agent is polysiloxane; ultramarine blue 5008 is provided by Kaiyn chemical Co., Ltd; the film-forming assistant consists of dodecyl alcohol ester and diethylene glycol butyl ether in a mass ratio of 1: 1; the base material wetting agent consists of alkyl polyoxyethylene ether and polyether modified polydimethylsiloxane in a mass ratio of 1: 1; the flash rust prevention consists of NALZIN FA 179 and sodium nitrite which are moderate at the mass ratio of 3: 1; the thickening agent is DeuRheo WT-204 of Haimines.
The preparation method of the water-based single-color paint comprises the following steps:
a. mixing water-based epoxy ester resin, cosolvent, drier and 1/2 parts of neutralizer according to the weight ratio, stirring for 15min at 400r/min, sequentially adding 1/2 parts of deionized water, dispersant and defoamer, adjusting the stirring speed to 800r/min, stirring for 10min, sequentially adding ultramarine and flash rust inhibitor, and grinding until the fineness is less than or equal to 25um to obtain early-stage slurry;
b. and sequentially adding the rest of deionized water, the rest of neutralizing agent, the film forming aid and the substrate wetting agent into the styrene-acrylic emulsion, stirring for 10min at the speed of 500r/min, then adding the early-stage slurry, and adjusting the construction viscosity by using the thickening agent to obtain the water-based monochromatic paint.
Comparative example 1
The same amount of pure acrylic emulsion was used in place of the acrylic emulsion in 1, and the other components and methods were the same as in example 1 to obtain an aqueous monochromatic paint.
Comparative example 2
An aqueous single-color paint was obtained by replacing ultramarine blue in example 1 with an equal amount of cobalt blue and by following the same procedure as in example 1.
The properties of the aqueous single color paints obtained in examples 1 to 3 and comparative examples 1 to 2 were measured, and the results are shown in the following table:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An aqueous monochromatic paint, characterized in that: the paint comprises the following components in parts by weight:
15-30 parts of water-based epoxy ester resin, 40-60 parts of styrene-acrylic emulsion, 0.5-1 part of drier, 2-5 parts of cosolvent, 1-3 parts of neutralizer, 1-3 parts of dispersant, 0.5-1 part of defoamer, 10-20 parts of ultramarine, 5-10 parts of film-forming assistant, 0.5-1 part of base material wetting agent, 2-5 parts of flash rust inhibitor, 0.5-1 part of thickener and 10-30 parts of deionized water.
2. The aqueous monochromatic paint according to claim 1, characterized in that: the type of the waterborne epoxy ester resin is GS-5000B; the model of the styrene-acrylic emulsion is 0612.
3. The aqueous monochromatic paint according to claim 1, characterized in that: the drier is a water-based metal composite drier; the cosolvent is one or a combination of more of ethylene glycol butyl ether, dipropylene glycol methyl ether and dipropylene glycol butyl ether.
4. The aqueous monochromatic paint according to claim 1, characterized in that: the neutralizing agent is one or the combination of two of triethylamine and dimethylethanolamine.
5. The aqueous monochromatic paint according to claim 1, characterized in that: the dispersing agent is a high molecular weight block copolymer solution containing pigment affinity groups; the defoaming agent is polysiloxane.
6. The aqueous monochromatic paint according to claim 1, characterized in that: the film-forming assistant is one or the combination of two of dodecyl alcohol ester and diethylene glycol butyl ether.
7. The aqueous monochromatic paint according to claim 1, characterized in that: the base material wetting agent is one or a combination of two of alkyl polyoxyethylene ether and polyether modified polydimethylsiloxane.
8. The aqueous monochromatic paint according to claim 1, characterized in that: the flash rust prevention is a mixture of organic zinc chelate and nitrite.
9. The aqueous monochromatic paint according to claim 1, characterized in that: the thickening agent is an associated polyurethane thickening agent.
10. A process for the preparation of an aqueous mono-chrome paint according to any one of claims 1 to 9, characterized in that: at least comprises the following steps:
a. mixing water-based epoxy ester resin, cosolvent, drier and 1/2 parts by weight of neutralizer, stirring for 10-15min at 400r/min, sequentially adding 1/2 parts by weight of deionized water, dispersant and defoamer, adjusting the stirring speed to 600 + 800r/min, stirring for 5-10min, adding ultramarine and flash rust inhibitor, and grinding until the fineness is less than or equal to 25 mu m to obtain prophase slurry;
b. and sequentially adding the rest of deionized water, the rest of neutralizing agent, the film-forming aid and the substrate wetting agent into the styrene-acrylic emulsion, stirring for 5-10min at 500r/min, adding the early-stage slurry, and adjusting to the construction viscosity by using the thickening agent to obtain the water-based single-color paint.
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| CN111320908A (en) * | 2020-03-20 | 2020-06-23 | 山东七维新材料有限公司 | Bottom-surface-in-one dip-coating paint special for engineering machinery crawler belt and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111320908A (en) * | 2020-03-20 | 2020-06-23 | 山东七维新材料有限公司 | Bottom-surface-in-one dip-coating paint special for engineering machinery crawler belt and preparation method thereof |
| CN112662242A (en) * | 2020-12-29 | 2021-04-16 | 湖南金化科技集团有限公司 | Water-based antirust coating for hot-rolled steel pipe and preparation method thereof |
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| CN115634821B (en) * | 2022-09-09 | 2023-10-20 | 深圳市华剑建设集团股份有限公司 | Coating method of household decorative plate |
| CN115672702A (en) * | 2022-10-26 | 2023-02-03 | 北京奥达建筑装饰有限责任公司 | Decorative board and processing technology thereof |
| CN115672702B (en) * | 2022-10-26 | 2023-11-10 | 青岛美中建材机械有限公司 | Decorative board and processing technology thereof |
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Application publication date: 20200207 |