CN111925698A - Water-based woodenware coating and preparation method thereof - Google Patents
Water-based woodenware coating and preparation method thereof Download PDFInfo
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- CN111925698A CN111925698A CN202010686842.2A CN202010686842A CN111925698A CN 111925698 A CN111925698 A CN 111925698A CN 202010686842 A CN202010686842 A CN 202010686842A CN 111925698 A CN111925698 A CN 111925698A
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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
- C09D7/20—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
- C09D7/40—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
- C08L2205/03—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
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Abstract
The application relates to the technical field of coatings, and provides a water-based wood coating, which comprises a first component and a second component, wherein the first component comprises the following components in parts by weight: 50-65 parts of water-based cationic acrylic resin, 5-8 parts of ethanol, 10-15 parts of water, 2-3 parts of milled powder, 1-2 parts of anti-settling agent, 0.3-0.5 part of drier, 0.2-0.5 part of defoaming agent, 0.1-0.3 part of flatting agent, 0.8-1.2 parts of dispersing agent, 0.3-0.5 part of wetting agent and 0.3-0.6 part of thickening agent, wherein the second component comprises a water-based curing agent. The cross-linking density of the system can be improved after cross-linking reaction of each component substance of the aqueous bi-component wood coating, the expansion-preventing performance, the adhesive force and the hole-entering performance are enhanced, and the aqueous wood coating with smooth and continuous surface and strong environmental protection performance is ensured to be obtained.
Description
Technical Field
The application belongs to the technical field of coatings, and particularly relates to a water-based wood coating and a preparation method thereof.
Background
The wood is a natural product, has complex structure, uneven material quality, multiple pores and hydrophilic expansion and contraction, and is better applied to manufacturing furniture and decorating rooms due to the special texture, appearance and material color. Currently, commercially available wood products include solid wood and man-made boards (plywood, medium density fiberboard and particle board).
With the increasing demands on quality, the requirements on the surface coating effect of the coating on the wood product substrate, such as open log grain effect, anti-expansion property, adhesion and the like, are higher and higher, especially for the surface decoration of some high-end solid wood-suit furniture, office furniture and the like, the coating performance for the wood product must be improved for better decoration and protection.
The wood coatings refer to coatings for wood products and are classified into solvent-based coatings, water-based coatings and solvent-free coatings according to the types of the coatings. The development types of the water-based wood paint in China include self-crosslinking type, acid curing type and polyurethane water dispersion type, compared with solvent paint, the water-based wood paint has incomparable superiority in the aspects of saving energy and protecting environment, a large amount of VOC is not volatilized into the air, organic solvent is not used, water is used as diluent, the energy is saved, the application field is increasingly wide based on the excellent performance of the water-based wood paint, but the existing water-based wood paint has weak hole entry property and poor expansion preventing performance on wood product base materials, so that the fullness of a paint film is not superior to solvent-based wood paint, the wide application of the water-based wood paint is influenced,
disclosure of Invention
The application aims to provide the water-based wood coating and the preparation method thereof, and aims to solve the problems of poor hole penetration performance and poor rib expansion prevention performance of the water-based wood coating in the prior art.
In order to achieve the purpose of the application, the technical scheme adopted by the application is as follows:
in a first aspect, the present application provides an aqueous wood coating, comprising a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component includes a water-based curing agent.
In a second aspect, the present application provides a method for preparing the waterborne wood coating, wherein the method for preparing the first component comprises the following steps:
carrying out first mixing treatment on water-based cationic acrylic resin, ethanol and water to obtain a first mixture;
carrying out second mixing treatment on the milled powder, the anti-settling agent, the drier and the first mixture to obtain a second mixture;
and carrying out third mixing treatment on the defoaming agent, the flatting agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture to obtain the first component.
The waterborne wood coating provided by the first aspect of the application is a waterborne dual-component wood coating, wherein the first component of the waterborne dual-component wood coating takes waterborne cationic acrylic resin as a main material, and the crosslinking density of the waterborne wood coating can be improved after the waterborne wood coating and a second component of a waterborne curing agent are subjected to crosslinking reaction, so that the rib expansion prevention performance of the waterborne wood coating on the surface of a wood product substrate is enhanced; meanwhile, ethanol is taken as a quick-drying agent and compounded with a drier, so that the drying performance and the rib expansion prevention performance of the coating are improved, a wetting agent, a defoaming agent, a flatting agent, a dispersing agent, an anti-settling agent and a thickening agent which are compounded in a specific weight part ratio are used, a more stable reticular structure is obtained, the stability of a system is improved, the adhesion and the hole penetration of the waterborne wood coating on the surface of a wood product substrate are further improved, and the waterborne wood coating with a smooth and continuous surface and strong environmental protection performance is ensured to be obtained.
According to the preparation method of the waterborne wood coating provided by the second aspect of the application, the first component is obtained by mixing and processing various materials of the first component, and the first component and the second component are mixed in the using process; in the preparation process of the first component, the raw materials in the formula are mixed in sequence, and the method is simple and convenient, easy to control and beneficial to large-scale use.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application more clearly apparent, the present application is further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In this application, the term "and/or" describes an association relationship of associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a is present alone, A and B are present simultaneously, and B is present alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In the present application, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, "at least one (a), b, or c", or "at least one (a), b, and c", may each represent: a, b, c, a-b (i.e., a and b), a-c, b-c, or a-b-c, wherein a, b, and c may be single or plural, respectively.
It should be understood that, in various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, some or all of the steps may be executed in parallel or executed sequentially, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The weight of the related components mentioned in the description of the embodiments of the present application may not only refer to the specific content of each component, but also represent the proportional relationship of the weight among the components, and therefore, the content of the related components is scaled up or down within the scope disclosed in the description of the embodiments of the present application as long as it is scaled up or down according to the description of the embodiments of the present application. Specifically, the mass described in the specification of the embodiments of the present application may be a mass unit known in the chemical industry field such as μ g, mg, g, kg, etc.
The terms "first" and "second" are used for descriptive purposes only and are used for distinguishing purposes such as substances from one another, and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. For example, a first XX may also be referred to as a second XX, and similarly, a second XX may also be referred to as a first XX, without departing from the scope of embodiments of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The first aspect of the embodiments of the present application provides an aqueous wood coating, which comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component includes a water-based curing agent.
The waterborne wood coating provided by the first aspect of the application is a waterborne dual-component wood coating, wherein the first component of the waterborne dual-component wood coating takes waterborne cationic acrylic resin as a main material, and the crosslinking density of the waterborne wood coating can be improved after the waterborne wood coating and a second component of a waterborne curing agent are subjected to crosslinking reaction, so that the rib expansion prevention performance of the waterborne wood coating on the surface of a wood product substrate is enhanced; meanwhile, the adhesive force and the hole-entering property of the waterborne wood coating on the surface of the wood product substrate are further improved by compounding with other additives, and the waterborne wood coating with a smooth and continuous surface is ensured to be obtained.
Specifically, the water-based wood coating comprises a first component and a second component, wherein the first component comprises 50-65 parts of water-based cationic acrylic resin, the water-based cationic acrylic resin is used as a main component of the first component, the water-based cationic acrylic resin is added in parts by weight, and the water-based cationic acrylic resin is compounded with other additives for use, so that the adhesive force and the hole-entering property of the water-based wood coating on the surface of a wood product substrate are improved, and the water-based wood coating with a smooth and flat surface is obtained. In the embodiment of the invention, the adding parts of the aqueous cationic acrylic resin are selected from 50 parts, 52 parts, 54 parts, 56 parts, 58 parts, 60 parts, 62 parts and 64 parts.
As an embodiment, the aqueous cationic acrylic resin is 1831A cationic acrylic resin manufactured by Nanchang Yushi Techni Co.
Specifically, the first component of the water-based wood coating comprises 5-8 parts of ethanol, the added ethanol is used as a cosolvent of the water-based wood coating, the ethanol can be mutually dissolved with water, the compatibility of each component can be improved, and meanwhile, in the using process, the ethanol has certain volatility, and the drying performance of the water-based wood coating can be improved. Furthermore, the adding part of the ethanol is controlled, so that the ethanol is well compounded with various additives in the using process, the drying speed of the water-based wood coating is favorably improved, and the construction performance of the water-based wood coating is improved. Preferably, the ethanol is selected from absolute ethanol, and the absolute ethanol is selected to ensure stronger drying performance.
In the embodiment of the invention, the adding parts of the ethanol are selected from 5 parts, 6 parts, 7 parts and 8 parts.
Specifically, the first component of the water-based wood coating comprises 2-3 parts of grinding powder; preferably, the polishing powder is selected from zinc stearate, and the zinc stearate is selected as the polishing powder, so that the polishing performance in a system can be improved, and the use of the water-based wood coating is facilitated. In the specific embodiment of the invention, the addition parts of the grinding powder are selected from 2 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.8 parts and 3 parts.
As an embodiment, the abrasive powder is selected from the abrasive powder of model TP200 of hanwei corporation.
Specifically, the first component of the water-based wood coating comprises 1-2 parts of an anti-settling agent, and the anti-settling agent is a rheological control agent of the coating, so that the coating has thixotropy, the viscosity is greatly improved, and the adhesion performance of the water-based wood coating is improved. In the embodiment of the invention, the addition parts of the anti-settling agent are selected from 1 part, 1.2 parts, 1.4 parts, 1.6 parts, 1.8 parts and 2 parts.
Preferably, the anti-settling agent is selected from polyamide waxes. As an embodiment, the anti-settling agent is selected from 8800 polyamide wax from China, and is selected to cooperate with a dispersant in the system to provide excellent anti-settling properties.
Specifically, the first component of the water-based wood coating comprises 0.3-0.5 part of a drier; the addition of the drier can promote the drying performance of the waterborne wood coating in the using process, improve the drying degree and facilitate the rapid film forming of the waterborne wood coating. In the embodiment of the invention, the addition parts of the drier are selected from 0.3 part, 0.4 part and 0.5 part.
Preferably, the drier is selected from the naphthenates of cobalt manganese oxides. The naphthenate of cobalt-manganese oxide is an oxidation type drier with strong catalytic activity and can play a better role in drying.
Specifically, the first component of the water-based wood coating comprises 0.2-0.5 part of defoaming agent, and the defoaming agent can reduce the surface tension of water, solution, suspension and the like, prevent the formation of foam, or reduce or eliminate the original foam. In the embodiment of the present invention, the addition part of the defoaming agent is selected from 0.2 part, 0.3 part, 0.4 part and 0.5 part.
Preferably, the defoaming agent is selected from polysiloxane, the polyether modified polysiloxane defoaming agent is formed by introducing a polyether chain segment on a polysiloxane chain segment through modification, in the molecule of the silicon ether copolymer, the siloxane chain segment has lipophilicity, the polyether chain segment has hydrophilicity, a polyethylene oxide chain in the polyether chain segment can provide hydrophilicity and foamability, a polypropylene oxide chain can provide hydrophobicity and penetrability, and the defoaming effect is further achieved. Preferably, the antifoaming agent is selected from at least one of TEGO Foamex 810, BYK024, TEGO Airex 902W.
Specifically, the first component of the water-based wood coating comprises 0.1-0.3 part of a flatting agent, and the flatting agent can promote the coating to form a flat, smooth and uniform coating film in the drying film-forming process, can effectively reduce the surface tension of the coating liquid, improve the flatting property and uniformity of the coating liquid, improve the permeability of the coating liquid, reduce the possibility of generating spots and stains during brushing, increase the coverage property, and enable the film to be formed uniformly and naturally. In the embodiment of the invention, the addition part of the leveling agent is selected from 0.1 part, 0.15 part, 0.2 part, 0.25 part and 0.3 part.
As an embodiment, the leveling agent is selected to be tego450 of dyao. The leveling agent can improve the rapid leveling performance of the coating during construction and enhance the smoothness and hand feeling of a dry film in a system.
Specifically, the first component of the water-based wood coating comprises 0.8-1.2 parts of a dispersing agent; the dispersant is added, so that the components can be uniformly dispersed, and the beneficial storage stability of the components in a system can be ensured. In the specific embodiment of the present invention, the addition part of the dispersant is selected from 0.8 part, 0.9 part, 1.0 part, 1.1 part and 1.2 parts.
As an embodiment, the dispersant is selected as BYK190 of BYK chemical, germany.
Specifically, the first component of the water-based wood coating comprises 0.3-0.5 part of wetting agent; the addition of wetting agents enables the solid materials to be more easily wetted by water, which can be spread on or penetrated into the surface of the solid materials by reducing the surface tension or interfacial tension thereof, thereby wetting the solid materials. In a specific embodiment of the invention, the wetting agent is added in an amount selected from the group consisting of 0.3 parts, 0.4 parts, and 0.5 parts.
Preferably, the wetting agent is selected from aqueous wetting agents, the aqueous wetting agent is present on the surface of the liquid, the hydrophilic group of the aqueous wetting agent extends into the liquid water, and the hydrophobic group is exposed in the air to form a monomolecular layer, so that the surface tension of the coating is reduced, the coating is promoted to better wet the substrate, and the wetting effect is achieved.
As an embodiment, the wetting agent is selected from BYK349, BYK chemical, germany. The wetting agent can effectively reduce the surface tension of the coating.
Specifically, the first component of the water-based wood coating comprises 0.3-0.6 part of a thickening agent; the thickening agent can increase the viscosity of latex and liquid, and can improve the viscosity of a system, so that the system is kept in a uniform and stable suspension state or an emulsion state, or forms gel. Preferably, the thickener is selected from polyurethane associative thickeners, which are aqueous polymer system thickeners and can improve the viscosity and the film forming effect of the system. In a specific embodiment of the present invention, the thickener is added in an amount selected from the group consisting of 0.3 parts, 0.4 parts, 0.5 parts, and 0.6 parts.
Preferably, the thickener is selected from polyurethane thickening and leveling agents. As an embodiment, the thickener is chosen from RM-8W of the Dow chemistry, which thickener is chosen to achieve its stable thixotropy in the system and not to affect the leveling of the paint film.
Specifically, the second component of the waterborne wood coating comprises a waterborne curing agent. Preferably, the aqueous curing agent is selected from silane oligomers. The silane oligomer serving as a curing agent of the waterborne wood coating can react with various inorganic and organic materials, so that the crosslinking density of the waterborne wood coating is improved, the rib expansion prevention performance of the waterborne wood coating on the surface of a wood product substrate is enhanced, the adhesive force of the waterborne wood coating is remarkably improved along with the improvement of the crosslinking density of a paint film, a more stable reticular structure is obtained through the synergistic effect of the silane oligomer, the waterborne cationic acrylic resin and other components in the coating, and the stability of a system is improved.
Preferably, the mass ratio of the first component to the second component is 100: (5-15), the addition amount of the silane oligomer is further controlled, so that the crosslinking density among the water-based cationic acrylic resins can be improved to the maximum extent, the crosslinking efficiency is fully exerted, and high crosslinking performance is ensured. In a specific embodiment of the present invention, the silane oligomer is added in a part selected from the group consisting of 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, and 15 parts.
As an embodiment, the aqueous curing agent is selected from silane oligomer 503 from Nanchang Yushi technologies, Inc.
In a second aspect of the embodiments of the present application, a method for preparing an aqueous wood coating is provided, where the method for preparing the first component includes the following steps:
s01, carrying out first mixing treatment on water-based cationic acrylic resin, ethanol and water to obtain a first mixture;
s02, carrying out second mixing treatment on the milled powder, the anti-settling agent, the drier and the first mixture to obtain a second mixture;
and S03, carrying out third mixing treatment on the defoaming agent, the flatting agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture to obtain a first component.
According to the preparation method of the first component in the waterborne wood coating provided by the second aspect of the application, the first component is obtained by mixing and processing various substances of the first component; the raw material components are low in cost and easy to obtain, and the preparation method is simple and quick and is beneficial to large-scale use.
Specifically, in step S01, the first mixture is obtained by subjecting the aqueous cationic acrylic resin, ethanol, and water to a first mixing treatment. Preferably, in the step of subjecting the aqueous cationic acrylic resin, ethanol and water to the first mixed material treatment, the aqueous cationic acrylic resin, ethanol and water are subjected to dispersion treatment at a rotation speed of 600-800rpm for 3-5 minutes. The mixing is carried out at a low rotating speed, so that the emulsion particles are not easy to be damaged by the ethanol solvent.
Specifically, in step S02, the second mixing treatment is performed on the milled powder, the anti-settling agent, the drier, and the first mixture to obtain a second mixture. Preferably, in the step of performing the second mixing treatment on the milled powder, the anti-settling agent, the drier and the first mixture, the milled powder, the anti-settling agent, the drier and the first mixture are subjected to dispersion treatment at the rotation speed of 1000-1200rpm for 10-30 minutes; the mixing is carried out under the condition of high-speed rotating speed, so that the high-efficiency and quick dispersion powder can reach the required fineness.
And further preferably, the fineness of the second mixture is controlled to be less than or equal to 30 micrometers, so that the uniformly mixed waterborne wood coating particles are fine and smooth, are not easy to block in the using process, and cannot influence the use.
Specifically, in the step S03, in the step of performing the third mixture treatment on the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent, the silane oligomer and the second mixture, the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture are subjected to the dispersion treatment at the rotation speed of 800-1000rpm for 5-15 minutes, and the dispersion treatment is performed under the condition of medium rotation speed, so that the required viscosity and excellent thixotropy can be stably obtained.
The preparation method comprises the steps of mixing materials of the first component to obtain the first component, and mixing the first component with the second component in the using process; in the preparation process of the first component, the raw materials in the formula are mixed in sequence, and the method is simple and convenient, easy to control and beneficial to large-scale use.
Furthermore, in the using process, the first component and the second component are mixed uniformly and then used.
The following description will be given with reference to specific examples.
Example 1
Water-based woodenware coating
The water-based wood coating comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component comprises a water-based curing agent; the adding part of the water-based curing agent is 15 parts.
Wherein the water-based cationic acrylic resin is 1831A cationic acrylic resin produced by Nanchang Yushi Techni Co Ltd; the ethanol is selected from anhydrous ethanol; the milling powder is selected from TP200 of Hanwei company; the anti-settling agent is selected from 8800 polyamide wax from China; the drier is selected from naphthenate of cobalt manganese oxide; the defoaming agent is selected from BYK 024; the leveling agent is tego450 with digao; the dispersant is selected from BYK190 of German Bick chemistry; the wetting agent is selected from BYK349 of Picker Germany; the thickener is selected from RM-8W of Dow chemistry, and the water-based curing agent is selected from silane oligomer 503 of Nanchang Yushi science and technology Limited.
Preparation method of water-based wood coating
A preparation method of an aqueous woodenware coating comprises the following steps:
dispersing the water-based cationic acrylic resin, ethanol and water at the rotating speed of 800rpm for 5 minutes to obtain a first mixture;
dispersing the milled powder, the anti-settling agent, the drier and the first mixture at the rotating speed of 1200rpm for 30 minutes to obtain a second mixture;
and dispersing the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotating speed of 1000rpm for 5 minutes to obtain a first component.
In the using process, the first component and the second component are uniformly mixed to obtain the waterborne wood coating.
Example 2
Water-based woodenware coating
The water-based wood coating comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component comprises a water-based curing agent; the adding part of the water-based curing agent is 5 parts.
Wherein the water-based cationic acrylic resin is 1831A cationic acrylic resin produced by Nanchang Yushi Techni Co Ltd; the ethanol is selected from anhydrous ethanol; the milling powder is selected from TP200 of Hanwei company; the anti-settling agent is selected from 8800 polyamide wax from China; the drier is selected from naphthenate of cobalt manganese oxide; the defoaming agent is selected from BYK 024; the leveling agent is tego450 with digao; the dispersant is selected from BYK190 of German Bick chemistry; the wetting agent is selected from BYK349 of Picker Germany; the thickener is selected from RM-8W of Dow chemistry, and the water-based curing agent is selected from silane oligomer 503 of Nanchang Yushi science and technology Limited.
Preparation method of water-based wood coating
A preparation method of an aqueous woodenware coating comprises the following steps:
dispersing the water-based cationic acrylic resin, ethanol and water at the rotating speed of 800rpm for 3 minutes to obtain a first mixture;
dispersing the milled powder, the anti-settling agent, the drier and the first mixture at the rotating speed of 1200rpm for 30 minutes to obtain a second mixture;
and dispersing the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotating speed of 1000rpm for 10 minutes to obtain a first component.
In the using process, the first component and the second component are uniformly mixed to obtain the waterborne wood coating.
Example 3
Water-based woodenware coating
The water-based wood coating comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component comprises a water-based curing agent; the adding part of the water-based curing agent is 10 parts.
Wherein the water-based cationic acrylic resin is 1831A cationic acrylic resin produced by Nanchang Yushi Techni Co Ltd; the ethanol is selected from anhydrous ethanol; the milling powder is selected from TP200 of Hanwei company; the anti-settling agent is selected from 8800 polyamide wax from China; the drier is selected from naphthenate of cobalt manganese oxide; the defoaming agent is selected from BYK 024; the leveling agent is tego450 with digao; the dispersant is selected from BYK190 of German Bick chemistry; the wetting agent is selected from BYK349 of Picker Germany; the thickener is selected from RM-8W of Dow chemistry, and the water-based curing agent is selected from silane oligomer 503 of Nanchang Yushi science and technology Limited.
Preparation method of water-based wood coating
A preparation method of an aqueous woodenware coating comprises the following steps:
dispersing the water-based cationic acrylic resin, ethanol and water at the rotating speed of 800rpm for 4 minutes to obtain a first mixture;
dispersing the milled powder, the anti-settling agent, the drier and the first mixture at the rotating speed of 1200rpm for 30 minutes to obtain a second mixture;
and dispersing the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotating speed of 1000rpm for 12 minutes to obtain a first component.
In the using process, the first component and the second component are uniformly mixed to obtain the waterborne wood coating.
Example 4
Water-based woodenware coating
The water-based wood coating comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component comprises a water-based curing agent; the adding part of the water-based curing agent is 15 parts.
Wherein the water-based cationic acrylic resin is 1831A cationic acrylic resin produced by Nanchang Yushi Techni Co Ltd; the ethanol is selected from anhydrous ethanol; the milling powder is selected from TP200 of Hanwei company; the anti-settling agent is selected from 8800 polyamide wax from China; the drier is selected from naphthenate of cobalt manganese oxide; the defoaming agent is selected from BYK 024; the leveling agent is tego450 with digao; the dispersant is selected from BYK190 of German Bick chemistry; the wetting agent is selected from BYK349 of Picker Germany; the thickener is selected from RM-8W of Dow chemistry, and the water-based curing agent is selected from silane oligomer 503 of Nanchang Yushi science and technology Limited.
Preparation method of water-based wood coating
A preparation method of an aqueous woodenware coating comprises the following steps:
dispersing the water-based cationic acrylic resin, ethanol and water at the rotating speed of 800rpm for 3 minutes to obtain a first mixture;
dispersing the milled powder, the anti-settling agent, the drier and the first mixture at the rotating speed of 1200rpm for 30 minutes to obtain a second mixture;
and dispersing the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotating speed of 1000rpm for 12 minutes to obtain a first component.
In the using process, the first component and the second component are uniformly mixed to obtain the waterborne wood coating.
Example 5
Water-based woodenware coating
The water-based wood coating comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component comprises a water-based curing agent; the adding part of the water-based curing agent is 15 parts.
Wherein the water-based cationic acrylic resin is 1831A cationic acrylic resin produced by Nanchang Yushi Techni Co Ltd; the ethanol is selected from anhydrous ethanol; the milling powder is selected from TP200 of Hanwei company; the anti-settling agent is selected from 8800 polyamide wax from China; the drier is selected from naphthenate of cobalt manganese oxide; the defoaming agent is selected from BYK 024; the leveling agent is tego450 with digao; the dispersant is selected from BYK190 of German Bick chemistry; the wetting agent is selected from BYK349 of Picker Germany; the thickener is selected from RM-8W of Dow chemistry, and the water-based curing agent is selected from silane oligomer 503 of Nanchang Yushi science and technology Limited.
Preparation method of water-based wood coating
A preparation method of an aqueous woodenware coating comprises the following steps:
dispersing the water-based cationic acrylic resin, ethanol and water at the rotating speed of 800rpm for 5 minutes to obtain a first mixture;
dispersing the milled powder, the anti-settling agent, the drier and the first mixture at the rotating speed of 1200rpm for 30 minutes to obtain a second mixture;
and dispersing the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotating speed of 1000rpm for 15 minutes to obtain a first component.
In the using process, the first component and the second component are uniformly mixed to obtain the waterborne wood coating.
Comparative example 1
Water-based woodenware coating
The water-based wood coating comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component comprises a water-based curing agent; the adding part of the water-based curing agent is 15 parts.
Wherein the water-based cationic acrylic resin is 1831A cationic acrylic resin produced by Nanchang Yushi Techni Co Ltd; the ethanol is selected from anhydrous ethanol; the milling powder is selected from TP200 of Hanwei company; the anti-settling agent is selected from 8800 polyamide wax from China; the defoaming agent is selected from BYK 024; the leveling agent is tego450 with digao; the dispersant is selected from BYK190 of German Bick chemistry; the wetting agent is selected from BYK349 of Picker Germany; the thickener is selected from RM-8W of Dow chemistry, and the water-based curing agent is selected from silane oligomer 503 of Nanchang Yushi science and technology Limited.
Preparation method of water-based wood coating
A preparation method of an aqueous woodenware coating comprises the following steps:
dispersing the water-based cationic acrylic resin, ethanol and water at the rotating speed of 800rpm for 5 minutes to obtain a first mixture;
dispersing the milled powder, the anti-settling agent and the first mixture at the rotating speed of 1200rpm for 30 minutes to obtain a second mixture;
and dispersing the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotating speed of 1000rpm for 5 minutes to obtain a first component.
In the using process, the first component and the second component are uniformly mixed to obtain the waterborne wood coating.
Comparative example 2
Water-based woodenware coating
The water-based wood coating comprises a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component comprises a water-based curing agent; the adding part of the water-based curing agent is 15 parts.
Wherein the water-based cationic acrylic resin is 1831A cationic acrylic resin produced by Nanchang Yushi Techni Co Ltd; the ethanol is selected from anhydrous ethanol; the milling powder is selected from TP200 of Hanwei company; the anti-settling agent is selected from 8800 polyamide wax from China; the drier is selected from naphthenate of cobalt manganese oxide; the defoaming agent is selected from BYK 024; the leveling agent is tego450 with digao; the dispersant is selected from BYK190 of German Bick chemistry; the wetting agent is selected from BYK349 of Picker Germany; the thickener is selected from RM-8W of the Dow chemical, and the waterborne curing agent is selected from XP2655 of a Bayer HDI waterborne curing agent.
Preparation method of water-based wood coating
A preparation method of an aqueous woodenware coating comprises the following steps:
dispersing the water-based cationic acrylic resin, ethanol and water at the rotating speed of 800rpm for 5 minutes to obtain a first mixture;
dispersing the milled powder, the anti-settling agent, the drier and the first mixture at the rotating speed of 1200rpm for 30 minutes to obtain a second mixture;
and dispersing the defoaming agent, the leveling agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotating speed of 1000rpm for 5 minutes to obtain a first component.
In the using process, the first component and the second component are uniformly mixed to obtain the waterborne wood coating.
Performance testing
The performance of the aqueous wood coatings prepared in the example 1 and the comparative examples 1-2 is measured, the temperature is adjusted to 30S (25 ℃ T-2 cup) at the end of the year, the aqueous wood coatings are sprayed on the surface of a wood product substrate, the formed paint films are respectively tested, and the test results are shown in Table 1.
As shown in the results in table 1, the surface drying time of the aqueous wood coating provided in example 1 of the present invention on the wood product substrate is 20 minutes, the actual drying time is 1 hour and 30 minutes, no rib swelling phenomenon occurs, and the hole penetration performance is excellent; the surface drying time of the aqueous wood coating provided by the comparative example 1 on the wood product substrate is 35 minutes, the actual drying time is 2 hours and 30 minutes, the phenomenon of slight rib expansion exists, the hole-entering performance is generally good, the surface drying time of the aqueous wood coating provided by the comparative example 2 on the wood product substrate is 25 minutes, the actual drying time is 1 hour and 45 minutes, the phenomenon of rib expansion exists, and the hole-entering performance is generally good. Therefore, the water-based wood coating provided by the embodiment 1 of the invention has the characteristics of high drying speed, good hole-entering performance and opening effect, excellent rib expansion prevention performance and good adhesive force.
TABLE 1
Remarking: good delta general x difference
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. The water-based wood coating is characterized by comprising a first component and a second component, wherein the first component comprises the following components in parts by weight:
the second component includes a water-based curing agent.
2. The aqueous woodenware coating according to claim 1, wherein the mass ratio of the first component to the second component is 100: (5-15).
3. The aqueous wood coating of claim 1, wherein the ethanol is selected from the group consisting of absolute ethanol.
4. The aqueous wood coating according to any one of claims 1 to 3, wherein the abrasive powder is selected from zinc stearate.
5. The aqueous woodenware coating as claimed in any one of claims 1 to 3, wherein the anti-settling agent is selected from polyamide wax.
6. The aqueous wood coating according to any one of claims 1 to 3, wherein the drier is selected from naphthenates of cobalt manganese oxides.
7. The aqueous woodenware coating according to any one of claims 1 to 3, characterized in that the defoaming agent is selected from polysiloxane.
8. The waterborne wood coating according to any one of claims 1 to 3, wherein the waterborne curing agent is selected from silane oligomers.
9. The preparation method of the water-based wood coating as claimed in any one of claims 1 to 8, wherein the preparation method of the first component comprises the following steps:
carrying out first mixing treatment on water-based cationic acrylic resin, ethanol and water to obtain a first mixture;
carrying out second mixing treatment on the milled powder, the anti-settling agent, the drier and the first mixture to obtain a second mixture;
and carrying out third mixing treatment on the defoaming agent, the flatting agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture to obtain the first component.
10. The method for preparing the waterborne wood coating according to claim 9, wherein in the step of performing the first mixing treatment on the waterborne cationic acrylic resin, the ethanol and the water, the waterborne cationic acrylic resin, the ethanol and the water are subjected to the dispersion treatment for 3-5 minutes at a rotation speed of 600-800 rpm; and/or the presence of a gas in the gas,
in the step of carrying out second mixing treatment on the milling powder, the anti-settling agent, the drier and the first mixture, carrying out dispersion treatment on the milling powder, the anti-settling agent, the drier and the first mixture at the rotation speed of 1000-1200rpm for 10-30 minutes;
and in the step of carrying out third mixed material treatment on the defoaming agent, the flatting agent, the dispersing agent, the wetting agent, the thickening agent, the silane oligomer and the second mixture, carrying out dispersion treatment on the defoaming agent, the flatting agent, the dispersing agent, the wetting agent, the thickening agent and the second mixture at the rotation speed of 800-1000rpm for 5-15 minutes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512327A (en) * | 2021-08-09 | 2021-10-19 | 鹤山市君子兰涂料有限公司 | Odorless water-based wood finish and preparation method thereof |
| CN114763445A (en) * | 2021-10-12 | 2022-07-19 | 上海君子兰新材料股份有限公司 | Water-based cationic acrylic matte finish paint and preparation method and application thereof |
| CN116218307A (en) * | 2023-04-03 | 2023-06-06 | 广东农工商职业技术学院 | Medium density fiberboard water-based anti-swelling external baking paint and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293044A (en) * | 2014-10-17 | 2015-01-21 | 上海展辰涂料有限公司 | Environment-friendly water-based bi-component seal primer |
| CN106221541A (en) * | 2016-08-25 | 2016-12-14 | 北京建筑材料科学研究总院有限公司 | A kind of aqueous dual-component woodwork coating and preparation method thereof |
| CN109504204A (en) * | 2018-11-06 | 2019-03-22 | 青岛展辰新材料有限公司 | A kind of wooden ware sealing priming paint and preparation method thereof for preventing from seeping on tannic acid |
| CN110317502A (en) * | 2019-06-04 | 2019-10-11 | 嘉宝莉化工集团股份有限公司 | A kind of aqueous wooden ware seal coat and preparation method thereof |
| CN111234632A (en) * | 2020-03-18 | 2020-06-05 | 深圳市长丰环保新材料有限公司 | Water-based primer coating and using method thereof |
-
2020
- 2020-07-16 CN CN202010686842.2A patent/CN111925698A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293044A (en) * | 2014-10-17 | 2015-01-21 | 上海展辰涂料有限公司 | Environment-friendly water-based bi-component seal primer |
| CN106221541A (en) * | 2016-08-25 | 2016-12-14 | 北京建筑材料科学研究总院有限公司 | A kind of aqueous dual-component woodwork coating and preparation method thereof |
| CN109504204A (en) * | 2018-11-06 | 2019-03-22 | 青岛展辰新材料有限公司 | A kind of wooden ware sealing priming paint and preparation method thereof for preventing from seeping on tannic acid |
| CN110317502A (en) * | 2019-06-04 | 2019-10-11 | 嘉宝莉化工集团股份有限公司 | A kind of aqueous wooden ware seal coat and preparation method thereof |
| CN111234632A (en) * | 2020-03-18 | 2020-06-05 | 深圳市长丰环保新材料有限公司 | Water-based primer coating and using method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512327A (en) * | 2021-08-09 | 2021-10-19 | 鹤山市君子兰涂料有限公司 | Odorless water-based wood finish and preparation method thereof |
| CN114763445A (en) * | 2021-10-12 | 2022-07-19 | 上海君子兰新材料股份有限公司 | Water-based cationic acrylic matte finish paint and preparation method and application thereof |
| CN116218307A (en) * | 2023-04-03 | 2023-06-06 | 广东农工商职业技术学院 | Medium density fiberboard water-based anti-swelling external baking paint and preparation method and application thereof |
| CN116218307B (en) * | 2023-04-03 | 2024-03-26 | 广东农工商职业技术学院 | Medium density fiberboard water-based anti-swelling external baking paint and preparation method and application thereof |
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