CN111205710B - Quick-drying type water-based color modifier and preparation method thereof - Google Patents
Quick-drying type water-based color modifier and preparation method thereof Download PDFInfo
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- CN111205710B CN111205710B CN202010056321.9A CN202010056321A CN111205710B CN 111205710 B CN111205710 B CN 111205710B CN 202010056321 A CN202010056321 A CN 202010056321A CN 111205710 B CN111205710 B CN 111205710B
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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
- C09D133/04—Homopolymers or copolymers of 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
- C09D7/20—Diluents or solvents
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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
- C09D7/80—Processes for incorporating ingredients
Abstract
The invention provides a quick-drying water-based color modifier, belonging to the technical field of wood coating. The quick-drying water-based color modifier provided by the invention comprises the following components in parts by weight: 5.30-6.20 parts of water-based resin, 2.60-3.50 parts of film forming agent, 0.13-0.25 part of defoaming agent, 0.30-0.42 part of wetting agent, 89.12-91.51 parts of ethanol and 0-0.25 part of antiseptic and mildew inhibitor. The water-based color modifier disclosed by the invention has the advantages that the content of ethanol is increased, the content of water-based resin is reduced, the water-based color modifier can be quickly dried within 1min after color modification and coating is ensured, the drying time after color modification and coating is greatly shortened, the working requirements of a spraying production line are met, and meanwhile, the components are mutually matched, so that the obtained water-based color modifier is uniform in color modification and has strong adhesive force.
Description
Technical Field
The invention belongs to the technical field of woodware coating, and particularly relates to a quick-drying water-based color modifier and a preparation method thereof.
Background
In recent years, the water-based wood lacquer is gradually paid attention to by people due to health and environmental protection. The waterborne wood paint needs to be firstly subjected to color correction and then sprayed with finish paint in the coating construction process, and a color correcting agent needs to be adopted in the color correction process, but after the color correction coating is finished by the conventional color correcting agent, the waterborne wood paint can be sprayed after being dried for 2-3 hours in the environment with the temperature of 1-35 ℃ and the relative humidity of 50-80%, so that the requirements of the coating assembly line process are difficult to adapt.
Patent CN108841278A discloses an aqueous woodware color modifier and a preparation method thereof, and the aqueous woodware color modifier provided by the patent comprises the following components in percentage by weight: 10.0 to 20.0 percent of water-based resin, 1.0 to 5.0 percent of film-forming agent, 0.5 to 3.0 percent of water-based cross-linking agent, 0.1 to 0.3 percent of water-based defoaming agent, 0.2 to 0.5 percent of wetting agent and 75.0 to 88.2 percent of ethanol. The color modifier disclosed in the patent can be sprayed with the water-based finish paint only after being sprayed on the substrate and dried for more than 3 minutes in an environment at 25 ℃, although the patent greatly shortens the drying time in the prior art, the drying time needs to be further reduced in order to further improve the efficiency of a coating production line.
Disclosure of Invention
The invention provides a quick-drying water-based color modifier for solving the technical problems, and the water-based color modifier has good construction performance and can be quickly dried in 1min after being coated.
The invention provides a quick-drying water-based color modifier, which comprises the following components in parts by weight:
the solid content of the water-based resin is 40-45%;
the pH value of the quick-drying type water-based color modifier is 7.0-9.0.
Preferably, the solid content of the water-based resin is 40-45%, and the water-based resin comprises water-soluble acrylic resin.
Preferably, the film forming agent comprises one or more of dipropylene glycol butyl ether, dipropylene glycol methyl ether and diethylene glycol butyl ether.
Preferably, the defoamer comprises a polyether siloxane defoamer and/or a mineral oil.
Preferably, the wetting agent comprises an acrylic-type wetting agent.
Preferably, the pH value regulator for regulating the pH value of the quick-drying type aqueous color modifier comprises organic amine.
Preferably, the antiseptic and mildew-proof agent comprises a catharsis antiseptic and mildew-proof agent.
The invention also provides a preparation method of the quick-drying type water-based color modifier in the technical scheme, which comprises the following steps:
1) mixing part of ethanol, water-based resin, a film forming agent, a defoaming agent, a wetting agent, a pH value regulator and an antiseptic and mildew-proof agent for the first time to obtain a mixed solution; the part of ethanol accounts for 55-60% of the total weight of the ethanol;
2) and carrying out second mixing on the mixed solution and the residual ethanol, and filtering to obtain the quick-drying water-based color modifier.
Preferably, the first mixing mode is stirring; the stirring speed is 380-420 r/min, and the time is 8-11 min.
Preferably, the second mixing mode is stirring; the stirring speed is 380-420 r/min, and the time is 4-8 min.
The invention provides a quick-drying water-based color modifier which comprises the following components in parts by weight:
5.30-6.20 parts of water-based resin, 2.60-3.50 parts of film forming agent, 0.13-0.25 part of defoaming agent, 0.30-0.42 part of wetting agent, 89.12-91.51 parts of ethanol and 0-0.25 part of antiseptic and mildew inhibitor, wherein the pH value of the quick-drying water-based color modifier is 7.0-9.0. The water-based color modifier disclosed by the invention has the advantages that the content of ethanol is reasonably increased, the content of water-based resin is reasonably reduced, the water-based color modifier can be quickly dried within 1min after color modification coating is ensured, the drying time after color modification coating is greatly shortened, the working requirement of a spraying production line is met, and meanwhile, the components are mutually matched, so that the obtained water-based color modifier is uniformly colored and has strong adhesive force.
The invention also provides a preparation method of the water-based color modifier, the preparation method provided by the invention is characterized in that ethanol is added twice, and the water-based resin, the film forming agent, the defoaming agent, the pH value regulator and the wetting agent are fully dispersed in the ethanol by the first addition, so that the color modifying effect is improved; and diluting the color modifier with ethanol for the second time to improve the air drying speed after color modification.
Detailed Description
The invention provides a quick-drying water-based color modifier, which comprises the following components in parts by weight: 5.3-6.2 parts of water-based resin, 2.5-3.5 parts of film forming agent, 0.13-0.25 part of defoaming agent, 0.30-0.42 part of wetting agent, 89.12-91.51 parts of ethanol and 0-0.25 part of antiseptic mildew inhibitor; the solid content of the water-based resin is 40-45%; the pH value of the quick-drying type water-based color modifier is 7.0-9.0.
The quick-drying water-based color modifier comprises, by mass, 5.3-6.2 parts of water-based resin, and preferably 5.5-6.0 parts of water-based resin. In the invention, the solid content of the water-based resin is preferably 40-45%, and the water-based resin preferably comprises water-soluble acrylic resin; the invention has no special requirement on the source of the water-based resin, and the water-based resin is a commercial product, and in the embodiment of the invention, the water-based resin is NeoCryl XK-12 of Inssman company.
In the invention, the aqueous resin can coat or fix the aqueous color concentrate so as to improve the coloring effect on the surface of the base material.
Based on the mass parts of the aqueous resin, the quick-drying aqueous color modifier provided by the invention comprises 2.5-3.5 parts of a film forming agent, and preferably 2.7-3.3 parts. In the present invention, the film forming agent is preferably an alcohol ether, more preferably includes one or more of dipropylene glycol butyl ether, dipropylene glycol methyl ether, and diethylene glycol butyl ether, and more preferably one of dipropylene glycol methyl ether, and diethylene glycol butyl ether. The invention has no special requirement on the source of the film forming agent, and the film forming agent is a commercially available product, wherein the film forming agent of the dipropylene glycol butyl ether and the dipropylene glycol methyl ether is purchased from American DOW company or Jiangsu Tianyin chemical engineering Co., Ltd, and the film forming agent of the diethylene glycol butyl ether is purchased from American DOW company.
In the present invention, the film former is capable of dissolving latex particles, plasticizing the polymer, and improving its coalescence.
Based on the mass parts of the water-based resin, the quick-drying water-based color modifier provided by the invention comprises 0.13-0.25 part of defoaming agent, preferably 0.15-0.22 part, and more preferably 0.2 part. In the invention, the defoaming agent preferably comprises polyether siloxane defoaming agent and/or mineral oil, the defoaming agent is obtained by using a commercial product without special requirement on the source of the defoaming agent, and in the embodiment of the invention, the defoaming agent is TEGO810 from TEGO company or a product of AIREX901w from BYK022 or BYK093 from Bick company.
In the invention, the defoaming agent can break the balance between gas and liquid interfaces, promote the bubbles to break quickly when the bubbles move to the liquid level, and prevent the bubbles from bursting out of the liquid and breaking the bubbles to cause the phenomenon of color development of the color modifier.
Based on the mass parts of the water-based resin, the quick-drying water-based color modifier provided by the invention comprises 0.30-0.42 part of wetting agent, preferably 0.32-0.41 part, and more preferably 0.35-4.00 parts. In the invention, the wetting agent preferably comprises an acrylic wetting agent, the wetting agent has no special requirement, and the wetting agent can be a commercially available product, and in the embodiment of the invention, the wetting agent is TEGO245 from TEGO company or Dynol604 from Air Products company.
In the invention, the wetting agent can reduce the surface tension of a paint film, so that the color modifier and the color concentrate can be effectively spread on the surface of a wood material, and the drying time is shortened.
Based on the mass parts of the water-based resin, the quick-drying water-based color modifier provided by the invention comprises 89.12-91.51 parts of ethanol, preferably 90.3-91.2 parts, and more preferably 90.5 parts. In the invention, the ethanol has low boiling point and can be quickly volatilized, so that the drying speed of the coated color modifier is accelerated, and the drying time is shortened.
The water-based color modifier provided by the invention ensures the normal performance of the color modifier under the combined action of all components, reduces the time for drying and improves the coating efficiency.
Based on the mass parts of the water-based resin, the quick-drying water-based color modifier provided by the invention comprises 0-0.25 part of an antiseptic and mildew-proof agent, and preferably 0.15-0.2 part. In the present invention, the preservative and mildew inhibitor preferably comprises a cason preservative and mildew inhibitor. The antiseptic and mildew-proof agent has no special requirement on the source, and is a commercially available product, the antiseptic and mildew-proof agent in the embodiment of the invention is kasong, the card is preferably a mixture of methylisothiazolinone and methylchloroisothiazolinone, and the mass ratio of the methylisothiazolinone to the methylchloroisothiazolinone is 3: 1.
In the invention, the pH value of the quick-drying type water-based color modifier is preferably obtained by adjusting a pH value regulator, the pH value regulator preferably comprises organic amine, and the organic amine is preferably triethylamine or 2-amino-2-methyl-1-propanol. The invention has no special requirements on the source of the pH value regulator, and the pH value regulator can be obtained by adopting a product sold in the market, wherein 2-amino-2-methyl-1-propanol in the embodiment of the invention is purchased from the company DOW in the United states. When the pH value regulator is used, the dosage of the pH value regulator in the quick-drying type water-based color modifier provided by the invention is preferably 0.05-0.26 part, more preferably 0.08-0.20 part and most preferably 0.12-0.15 part based on the mass parts of the water-based resin. In the invention, the pH value regulator can regulate the pH value of the color modifier, ensure that the pH value of the color modifier is 7.0-9.0, and ensure that the color modifier stably exists in the pH value range.
The invention also provides a preparation method of the quick-drying type water-based color modifier in the technical scheme, which comprises the following steps:
1) mixing part of ethanol, water-based resin, a film forming agent, a defoaming agent, a wetting agent and a pH value regulator for the first time to obtain a mixed solution; the part of ethanol accounts for 55-60% of the total weight of the ethanol;
2) and carrying out second mixing on the mixed solution and the residual ethanol, and filtering to obtain the quick-drying water-based color modifier.
The method comprises the following steps of firstly mixing part of ethanol, water-based resin, a film forming agent, a defoaming agent, a wetting agent and a pH value regulator to obtain a mixed solution; the part of ethanol accounts for 55-60% of the total weight of the ethanol. In the present invention, the first mixing is preferably performed by stirring; the rotating speed of the stirring is preferably 380-420 r/min, and more preferably 390-400 r/min; the stirring time is preferably 8-11 min, more preferably 10min, and the stirring is preferably mechanical stirring. In the invention, part of ethanol is used as a dispersing agent, so that the water-based resin, the film forming agent, the defoaming agent, the pH value regulator and the wetting agent are fully mixed and uniformly dispersed in the solution, and further, the color correction uniformity is improved.
After the mixed solution is obtained, the mixed solution and the residual ethanol are subjected to secondary mixing and then are filtered, so that the quick-drying type water-based color modifier is obtained. In the present invention, the second mixing is preferably performed by stirring; the rotating speed of the stirring is preferably 380-420 r/min, and more preferably 410 r/min; the stirring time is preferably 4-8 min, more preferably 5min, and the stirring is preferably mechanical stirring. In the invention, the particulate matters in the solution are removed by filtration, so that the color modifier can be uniformly coated on the base material, and the coating effect is improved. In the invention, the residual ethanol plays a role in diluting the solution, so that the content of the ethanol in the solution is improved, and the drying speed of the color modifier is accelerated.
To further illustrate the present invention, a quick-drying type aqueous color modifier and a method for preparing the same according to the present invention will be described in detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
Example 1
The raw materials were weighed according to the formulation in table 1.
Firstly mixing ethanol accounting for 55 percent of the total weight of the ethanol, aqueous resin, a film forming agent, a defoaming agent, a pH value regulator and a wetting agent, and stirring at a rotating speed of 390r/min for 10min to obtain a mixed solution;
and secondly, mixing the mixed solution with the residual ethanol, stirring for 5min at a rotating speed of 410r/min, and filtering to remove impurities to obtain the quick-drying water-based color modifier.
Example 2
The raw materials were weighed according to the formulation in table 1.
A quick-drying aqueous color modifier was prepared according to the method of example 1.
Example 3
The raw materials were weighed according to the formulation in table 1.
The only difference in preparing the quick-drying aqueous color modifier according to the method of example 1 is that the first mixing is carried out with the addition of a preservative and anti-mildew agent.
Example 4
The raw materials were weighed according to the formulation in table 1.
A quick-drying aqueous color modifier was prepared according to the method of example 1, except that the first mixing was performed with the addition of a preservative and anti-mildew agent.
Comparative example 1
The raw materials were weighed according to the formulation in table 1.
Mixing ethanol, aqueous resin, a film forming agent, a defoaming agent, a wetting agent and an aqueous cross-linking agent, stirring at a rotating speed of 390r/min for 10min, and filtering to obtain the aqueous color modifier.
TABLE 1 formulations of examples 1-4 and comparative example 1
When the UV color repairing paint is used, after the water-based color concentrate is added into the color repairing agents prepared in the embodiments 1-4 and the comparative example 1 for color matching, spraying and color repairing are carried out on a base material which is well polished after a UV primer is made, after drying, spraying the water-based clear finish paint, after drying, detecting the relevant performance according to the national standard GB/T23999-.
TABLE 2 after-coating product Properties of examples 1 to 4 and comparative example 1
Note: adhesion rating of "0-5" is preferred, and "0" is most preferred.
The results in table 2 show that the color modifier provided by the invention ensures that the color modifier has stronger adhesive force, has uniform color without floating after color modification, greatly shortens the drying time after color modification coating, can spray water-based finish within 1min after the color modification coating procedure, and improves the production efficiency of the coating production line.
Although the present invention has been described in detail with reference to the above embodiments, it is only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and the embodiments are within the scope of the present invention.
Claims (7)
1. A quick-drying water-based color modifier comprises the following components in parts by weight:
5.3-6.2 parts of water-based resin;
2.5-3.5 parts of a film-forming assistant;
0.13-0.25 part of defoaming agent;
0.30-0.42 part of wetting agent;
89.12-91.51 parts of ethanol;
0-0.25 part of antiseptic and mildew preventive and is not equal to 0;
a pH value regulator;
the solid content of the water-based resin is 40-45%, and the water-based resin is water-soluble acrylic resin;
the wetting agent is an acrylic acid type wetting agent;
the pH value of the quick-drying type water-based color modifier is 7.0-9.0;
the preparation method of the quick-drying type water-based color modifier comprises the following steps:
1) mixing part of ethanol with water-based resin, a film-forming auxiliary agent, a defoaming agent, a wetting agent, a pH value regulator and an antiseptic and mildew-proof agent for the first time to obtain a mixed solution; the part of ethanol accounts for 55-60% of the total weight of the ethanol;
2) carrying out second mixing on the mixed solution and the residual ethanol, and filtering to obtain a quick-drying type aqueous color modifier;
the film-forming assistant is one or more of dipropylene glycol butyl ether, dipropylene glycol methyl ether and diethylene glycol butyl ether.
2. The quick-drying aqueous color modifier of claim 1, wherein the defoamer is a polyether siloxane defoamer and/or mineral oil.
3. The quick-drying aqueous color modifier of claim 1, wherein the pH adjuster is an organic amine.
4. The quick-drying aqueous color modifier according to claim 1, wherein the preservative and mildewproof agent is a cason preservative and mildewproof agent.
5. A method for preparing the quick-drying type aqueous color modifier according to any one of claims 1 to 4, comprising the steps of:
1) mixing part of ethanol with water-based resin, a film-forming auxiliary agent, a defoaming agent, a wetting agent, a pH value regulator and an antiseptic and mildew-proof agent for the first time to obtain a mixed solution; the part of ethanol accounts for 55-60% of the total weight of the ethanol;
2) and carrying out second mixing on the mixed solution and the residual ethanol, and filtering to obtain the quick-drying water-based color modifier.
6. The method according to claim 5, wherein the first mixing is performed by stirring; the stirring speed is 380-420 r/min, and the time is 8-11 min.
7. The method according to claim 5, wherein the second mixing is performed by stirring; the stirring speed is 380-420 r/min, and the time is 4-8 min.
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| CN112251123B (en) * | 2020-09-27 | 2021-10-26 | 广东美涂士建材股份有限公司 | Ultraviolet-resistant color modifier and preparation method thereof |
| CN112657809B (en) * | 2020-12-18 | 2023-03-14 | 喜临门酒店家具有限公司 | Wooden furniture coating method considering environmental protection and economy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108841278A (en) * | 2018-06-28 | 2018-11-20 | 梦天木门集团有限公司 | A kind of aqueous wooden ware dressing agent and preparation method thereof |
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| JP2009149804A (en) * | 2007-12-21 | 2009-07-09 | Nippon Shokubai Co Ltd | Side chain double bond-containing modified polymer for slit coating, and use of the same |
| US9399722B2 (en) * | 2011-03-31 | 2016-07-26 | The Armor All/Stp Products Company | Compositions and methods for treating automotive surfaces |
| CN106634387B (en) * | 2016-12-22 | 2020-06-23 | 合肥科天水性科技有限责任公司 | Quick-drying water-based color modifier base material and preparation method thereof |
| CN110172295A (en) * | 2019-04-25 | 2019-08-27 | 合肥科天水性科技有限责任公司 | One kind repairing color composition and its preparation method and application |
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| CN108841278A (en) * | 2018-06-28 | 2018-11-20 | 梦天木门集团有限公司 | A kind of aqueous wooden ware dressing agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| "水性木器涂料的干燥速度与相关因素讨论";奚祥;《水性木器涂料与涂装》;20111231;第26卷(第7期);第58-62页 * |
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