CN113604123A - Water-in-water coating capable of adjusting color externally and application thereof - Google Patents

Water-in-water coating capable of adjusting color externally and application thereof Download PDF

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CN113604123A
CN113604123A CN202110796128.3A CN202110796128A CN113604123A CN 113604123 A CN113604123 A CN 113604123A CN 202110796128 A CN202110796128 A CN 202110796128A CN 113604123 A CN113604123 A CN 113604123A
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water
emulsion
raw materials
percent
paint
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CN113604123B (en
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何兆强
胡恒志
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Guangdong Carpoly Science & Technology Material Co ltd
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Guangdong Carpoly Science & Technology Material Co ltd
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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
    • 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
    • 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
    • C09D7/65—Additives macromolecular
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • 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 a water-in-water coating capable of realizing external color matching and application thereof. The coating comprises a base paint, a granulating liquid and a continuous phase, wherein the base paint comprises: 56-80% of water, 0.5-1.2% of hydroxyethyl cellulose, 8-20% of acrylate emulsion, 0.4-20% of pigment and filler, 0.24-1.12% of protective glue containing magnesium lithium silicate and 1.2-8% of first alkali swelling thickener; the granulation liquid comprises: 90 to 95 percent of water and 4.8 to 10 percent of protective glue containing magnesium lithium silicate; the continuous phase comprises: 39.2 to 69.2 percent of water, 30 to 60 percent of acrylate emulsion and 0.3 to 0.8 percent of second alkali swelling thickener; the preparation method of the coating comprises the steps of mixing the base paint and the granulating liquid according to the mass ratio of more than 2:1 to prepare the colored particles with the particle size of less than 1mm, and mixing the colored particles and the continuous phase according to the mass ratio (0.25-1.5) to 1. The paint has proper strength and can be externally toned.

Description

Water-in-water coating capable of adjusting color externally and application thereof
Technical Field
The invention relates to the field of coatings, in particular to a water-in-water coating capable of realizing external color matching and application thereof.
Background
The water-in-water colorful paint, also called liquid stone, belongs to a full-aqueous and one-time spraying colorful granite paint, and the produced color is vivid, durable and high in simulation degree. Compared with the traditional real stone paint product, the water-in-water multicolor paint has the characteristics of low cost, low paint consumption in construction, convenience in transportation, high raw material requirement and the like.
Although the water-in-water multicolor paint has a plurality of excellent performances, the production is very troublesome, mainly because the water-insoluble flexible film on the surface of the colored particles is difficult to control, the water-in-water multicolor paint can only be used for toning the base paint, the color of the colored points is well mixed in advance, the color of the finished product cannot be mixed with the color paste additionally (for external toning), and when the finished product is finished, the finished product cannot be changed, so a plurality of toning personnel need to be arranged for careful operation, the inventory pressure is high, products with different colors need to be packaged separately, the batch color has large color and color point proportion difference, the products except a few main color number products need to be subjected to plate production according to needs, the production efficiency is low, the production time span is long, and the water-in-water multicolor paint is not suitable for the market.
Therefore, the development of the water-in-water coating product capable of color matching externally has an extremely important role, such as obvious reduction of the inventory pressure of enterprises, obvious reduction of the production difficulty, and on-site color matching of a construction party, and better satisfaction of the instantaneity requirement.
Disclosure of Invention
Based on the water-in-water paint, the invention provides the water-in-water paint with the external color adjustable.
The technical scheme is as follows:
a water-in-water coating capable of externally toning comprises raw materials for preparing the coating, wherein the raw materials comprise a base paint, a granulating liquid and a continuous phase;
the base paint is prepared from the following raw materials in percentage by mass: 56-80% of water, 0.5-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 0.4-20% of pigment and filler, 0.24-1.12% of protective glue containing magnesium lithium silicate and 1.2-8% of first alkali swelling thickener;
the granulation liquid is prepared from the following raw materials in percentage by mass: 90 to 95 percent of water and 4.8 to 10 percent of protective glue containing magnesium lithium silicate;
the continuous phase is prepared from the following raw materials in percentage by mass: 39.2-69.2% of water, 30-60% of second emulsion and 0.3-0.8% of second alkali swelling thickener;
the first emulsion and the second emulsion are selected from acrylate emulsions, the first emulsion and the protective glue containing the magnesium lithium silicate have reactivity, and the second emulsion and the protective glue containing the magnesium lithium silicate have no reactivity;
the continuous phase does not contain protective glue;
the preparation method of the water-in-water coating comprises the steps of mixing the base paint and the granulating liquid according to the mass ratio of more than 2:1 to prepare color particles with the particle size of less than 1mm, and mixing the color particles and the continuous phase according to the mass ratio of (0.25-1.5) to 1.
In one embodiment, the viscosity of the hydroxyethyl cellulose aqueous solution containing the hydroxyethyl cellulose at 25 ℃ and having a mass concentration of the hydroxyethyl cellulose of 1% is 5000-15000 centipoises;
the viscosity of the first emulsion at 25 ℃ is 100 mPs-3000 mPs, and the solid content is 45% +/-5%;
the viscosity of the second emulsion at 25 ℃ is less than or equal to 500mP & s, and the solid content is 36% +/-8%.
In one embodiment, the hydroxyethyl cellulose is Shilan HE-10K;
the first emulsion is a Wanhua 8029 emulsion, and the second emulsion is a Wanhua 8087 emulsion;
the first alkali swelling thickener and the second alkali swelling thickener are each independently selected from TT935 or TT 615.
In one embodiment, the pigment and filler comprises 0.2-10% of titanium dioxide and 0.2-10% of kaolin in percentage by mass of the base paint.
In one embodiment, the raw materials for preparing the base paint further comprise a dispersing agent, a wetting agent, a first defoaming agent, a first film-forming assistant, a first multifunctional assistant and a first preservative;
the raw materials for preparing the granulating liquid also comprise a second preservative;
the preparation raw materials of the continuous phase also comprise a second defoaming agent, a second film forming auxiliary agent, an antifreezing agent, a second multifunctional auxiliary agent and a third corrosion inhibitor.
In one embodiment, the base paint is prepared from the following raw materials in percentage by mass: 56-80% of water, 0.5-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 0.4-20% of pigment and filler, 0.24-1.12% of protective glue containing magnesium lithium silicate, 1.2-8% of first alkali swelling thickener, 0.1-0.4% of dispersant, 0.1-0.4% of wetting agent, 0.1-0.4% of first defoaming agent, 0.2-2% of first film forming auxiliary agent, 0.05-0.3% of first multifunctional auxiliary agent and 0.2-1% of first preservative;
the granulation liquid is prepared from the following raw materials in percentage by mass: 90-95% of water, 4.8-10% of protective glue containing magnesium lithium silicate and 0.2-0.5% of second preservative;
the continuous phase is prepared from the following raw materials in percentage by mass: 39.2 to 67 percent of water, 30 to 58 percent of second emulsion, 0.3 to 0.8 percent of second alkali swelling thickener, 0.1 to 0.5 percent of second defoamer, 1.5 to 4.0 percent of second film forming additive, 0.3 to 1.2 percent of antifreeze, 0.05 to 0.4 percent of second multifunctional additive and 0.2 to 0.6 percent of third preservative.
In one embodiment, the base paint is prepared from the following raw materials in percentage by mass: 60-75% of water, 0.8-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 2-10% of pigment and filler, 0.48-1% of protective glue containing magnesium lithium silicate, 1.4-5% of first alkali swelling thickener, 0.1-0.4% of dispersant, 0.1-0.4% of wetting agent, 0.1-0.4% of first defoaming agent, 0.2-2% of first film forming auxiliary agent, 0.05-0.3% of first multifunctional auxiliary agent and 0.2-1% of first preservative;
the granulation liquid is prepared from the following raw materials in percentage by mass: 91-94.5% of water, 5-8.7% of protective glue containing lithium magnesium silicate and 0.3-0.5% of second preservative;
the continuous phase is prepared from the following raw materials in percentage by mass: 40-60% of water, 35-53% of second emulsion, 0.4-0.8% of second alkali swelling thickener, 0.1-0.5% of second defoaming agent, 1.5-4.0% of second film forming aid, 0.3-1.2% of antifreezing agent, 0.05-0.4% of second multifunctional aid and 0.2-0.6% of third corrosion inhibitor.
In one embodiment, the dispersant is a sodium polycarboxylate dispersant; and/or the presence of a gas in the gas,
the wetting agent is selected from at least one of polyoxyethylene alkylphenol ether, polyoxyethylene fatty alcohol ether, polyoxyethylene polyoxypropylene block copolymer, polyoxyethylene alkylaryl ether, polyethoxy nonylphenol or nonionic alkoxylated alcohol surfactant; and/or the presence of a gas in the gas,
the first and second defoaming agents are selected from silicone surfactants.
In one embodiment, the dispersant is ECODIS P30 or SN-5040; and/or the presence of a gas in the gas,
the wetting agent is ECODIS P30 or SN-5040; and/or the presence of a gas in the gas,
the first defoaming agent and the second defoaming agent are both NXZ of Nopochaceae; and/or the presence of a gas in the gas,
the first film forming auxiliary agent and the second film forming auxiliary agent are alcohol ester twelve; and/or the presence of a gas in the gas,
the first multifunctional auxiliary agent and the second multifunctional auxiliary agent are both Dow AMP-95; and/or the presence of a gas in the gas,
the antifreezing agent is ethylene glycol; and/or the presence of a gas in the gas,
the first preservative, the second preservative and the third preservative are all MBS 5050.
In one embodiment, the preparation method of the base paint comprises the following steps:
mixing the raw materials for preparing the base paint;
the preparation method of the granulating liquid comprises the following steps:
mixing raw materials for preparing the granulating liquid;
the preparation method of the continuous phase comprises the following steps:
the raw materials for preparing the continuous are mixed.
In one embodiment, the step of mixing the base paint and the granulating liquid according to the mass ratio of more than 2:1 to prepare the colored particles with the particle size of less than 1mm comprises the following steps:
and adding the granulating liquid into the base paint, and stirring and granulating.
The invention also provides a decorative coating, and the preparation raw materials of the decorative coating comprise the water-in-water coating capable of realizing external color matching.
In one embodiment, the decorative coating is a building interior wall decorative coating.
The invention has the following beneficial effects:
the inventor finds that when the strength of the water-insoluble flexible film on the surface of the colored particles is too strong, the color paste is positioned outside the flexible film and cannot enter the inside of the colored particles, so that the color mixing effect of the additional color paste cannot be achieved. When the strength of the flexible film is low, the flexible film of the color grains is easy to break, and the components such as emulsion, powder, auxiliary agent, water and the like in the color grains are exposed, so that the phenomena of color grain reduction, thinning, pasting and the like are shown. Only when the strength of the flexible film is controlled within a proper range, the color paste can enter the interior of the color particles through the flexible film on the surface of the color particles, so that the effect of external color mixing is achieved; meanwhile, the flexible film has enough strength to protect the emulsion, powder, auxiliary agent and water in the color particles from being broken or exposed.
The invention adopts specific amount of water, hydroxyethyl cellulose, emulsion, pigment filler, protective glue and alkali swelling thickener to prepare the base paint, through the coordination effect among raw materials, the base paint can present a state similar to 'bean curd block', wherein the high content of alkali swelling thickener can cause the base paint to present a high cohesive force, but the cohesive force is very weak, in the granulation process according to the specific ratio of the base paint and the granulating liquid, when the base paint is subjected to the shearing force of a rotating dispersion disc, the color particles are very easy to diminish, the outer surfaces of the color particles present a broken and torn shape (different from the smooth shape of the conventional color particles), the flexible film of the color particles is not complete enough, but the color particles cannot be broken or pasted due to the strong cohesive force, thereby having good 'false strength', under the 'false strength', the state of the color particles is not abnormal, but the flexible film of the color particles is not complete enough, part of substances can move inside and outside the colored particles through the flexible film, and when the color paste is added into the water-in-water paint, the color paste is diluted, has lower viscosity and small particle size, and enters the inside of the colored particles through the incomplete flexible film, so that the effect of dyeing the colored particles is achieved, namely, the color is mixed externally.
Drawings
FIG. 1 is a construction effect picture of example 1;
fig. 2 is a construction effect picture of comparative example 1.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
When the strength of the water-insoluble flexible film on the surface of the color particles is too strong, the color paste is positioned outside the flexible film and cannot enter the interior of the color particles, so that the color-mixing effect of the additional color paste cannot be achieved. When the strength of the flexible film is low, the flexible film of the color grains is easy to break, and the components such as emulsion, powder, auxiliary agent, water and the like in the color grains are exposed, so that the phenomena of color grain reduction, thinning, pasting and the like are shown. How to control the strength of the flexible film within a proper range to ensure that color paste can enter the interior of the color particles through the flexible film on the surface of the color particles so as to achieve the effect of external color mixing; meanwhile, the flexible film has enough strength to protect the emulsion, powder, additives and water in the color particles from being broken or exposed, which always troubles related researchers.
In the case of the strength requirement of the flexible film, the specific surface area of the large color particles is smaller than that of the small color particles in the base paint and the granulating liquid with the same weight ratio, so that the consumed amount of the protective glue is smaller when the stable flexible film is formed, and the strength of the flexible film is higher than that of the flexible film with the small color particles. However, the large color particles are subjected to larger force during shearing because of large volume, and the phenomenon that color dots are broken is more easily shown instead.
Aiming at the problems, the invention provides the water-in-water coating which has proper strength and can be externally toned.
The technical scheme is as follows:
a water-in-water coating capable of externally toning comprises raw materials for preparing the coating, wherein the raw materials comprise a base paint, a granulating liquid and a continuous phase;
the base paint is prepared from the following raw materials in percentage by mass: 56-80% of water, 0.5-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 0.4-20% of pigment and filler, 0.24-1.12% of protective glue containing magnesium lithium silicate and 1.2-8% of first alkali swelling thickener;
the granulation liquid is prepared from the following raw materials in percentage by mass: 90 to 95 percent of water and 4.8 to 10 percent of protective glue containing magnesium lithium silicate;
the continuous phase is prepared from the following raw materials in percentage by mass: 39.2-69.2% of water, 30-60% of second emulsion and 0.3-0.8% of second alkali swelling thickener;
the first emulsion and the second emulsion are selected from acrylate emulsions, the first emulsion and the protective glue containing the magnesium lithium silicate have reactivity, and the second emulsion and the protective glue containing the magnesium lithium silicate have no reactivity;
the continuous phase does not contain protective glue;
the preparation method of the water-in-water coating comprises the steps of mixing the base paint and the granulating liquid according to the mass ratio of more than 2:1 to prepare color particles with the particle size of less than 1mm, and mixing the color particles and the continuous phase according to the mass ratio of (0.25-1.5) to 1. By the preparation method and the proportion, the content concentration of the protective glue except the color particles of the water-in-water coating can be controlled to be less than 1 percent, otherwise, color paste color particles can be formed due to overhigh protective glue concentration, and external color mixing cannot be carried out.
In one embodiment, the viscosity of the hydroxyethyl cellulose aqueous solution containing the hydroxyethyl cellulose at 25 ℃ and having a mass concentration of the hydroxyethyl cellulose of 1% is 5000-15000 cps. Preferably, the hydroxyethyl cellulose is Shilan HE-10K.
In one embodiment, the first emulsion has a viscosity of 100 mPs to 3000 mPs at 25 ℃ and a solids content of 45% + -5%. Preferably, the first emulsion is a wanhua 8029 emulsion.
In one embodiment, the first alkali swelling thickener is selected from TT935 or TT 615. Preferably, the first alkali swelling thickener is TT 935.
In one preferred embodiment, the hydroxyethyl cellulose in the base paint is Shilan HE-10K cellulose, the first emulsion is Wanhua 8029 emulsion, the first alkali swelling thickener is TT935, and the protective glue containing lithium magnesium silicate is S482 of ByK, which further promotes the base paint to be in a state similar to a bean curd block and the base paint has high cohesion.
In one embodiment, the pigment and filler comprises 0.2-10% of titanium dioxide and 0.2-10% of kaolin in percentage by mass of the base paint. Preferably, the titanium dioxide is selected from R996 titanium dioxide of python, and the kaolin is selected from calcined kaolin, such as DB80 of Sanfeng chemical engineering.
In one embodiment, the raw materials for preparing the base paint further comprise a dispersing agent, a wetting agent, a first defoaming agent, a first film-forming assistant, a first multifunctional assistant and a first preservative.
In one embodiment, the base paint is prepared from the following raw materials in percentage by mass: 56-80% of water, 0.5-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 0.4-20% of pigment and filler, 0.24-1.12% of protective glue containing magnesium lithium silicate, 1.2-8% of first alkali swelling thickener, 0.1-0.4% of dispersant, 0.1-0.4% of wetting agent, 0.1-0.4% of first defoaming agent, 0.2-2% of first film forming auxiliary agent, 0.05-0.3% of first multifunctional auxiliary agent and 0.2-1% of first preservative.
In one preferred embodiment, the base paint is prepared from the following raw materials in percentage by mass: 60-75% of water, 0.8-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 2-10% of pigment and filler, 0.48-1% of protective glue containing magnesium lithium, 1.4-5% of first alkali swelling thickener, 0.1-0.4% of dispersant, 0.1-0.4% of wetting agent, 0.1-0.4% of first defoaming agent, 0.2-2% of first film forming auxiliary agent, 0.05-0.3% of first multifunctional auxiliary agent and 0.2-1% of first preservative.
In one embodiment, the dispersant is a sodium polycarboxylate dispersant. Preferably, the dispersant is ECODIS P30 or SN-5040
In one embodiment, the wetting agent is selected from at least one of polyoxyethylene alkylphenol ethers, polyoxyethylene fatty alcohol ethers, polyoxyethylene polyoxypropylene block copolymers, polyoxyethylene alkylaryl ethers, polyethoxy nonylphenol, or nonionic alkoxylated alcohol surfactants. For example, the humectant is LCN 407 from clariant.
In one embodiment, the first anti-foaming agent is a silicone surfactant. Preferably, the first antifoaming agent is NXZ of nopinaceae.
In one embodiment, the first film forming aid is alcohol ester twelve.
In one embodiment, the first multifunctional adjuvant is Dow AMP-9.
In one embodiment, the first preservative is MBS 5050.
In one embodiment, the protective colloid containing lithium magnesium silicate in the granulation liquid is S482 from BYK, germany.
In one embodiment, the raw materials for preparing the granulating liquid further comprise a second preservative.
In one embodiment, the granulation liquid is prepared from the following raw materials in percentage by mass: 90-95% of water, 4.8-10% of protective glue containing magnesium lithium silicate and 0.2-0.5% of second preservative;
in one preferred embodiment, the granulation liquid is prepared from the following raw materials in percentage by mass: 91-94.5% of water, 5-8.7% of protective glue containing lithium magnesium silicate and 0.3-0.5% of second preservative.
In one embodiment, the second preservative is MBS 5050.
In one embodiment, the raw materials for preparing the continuous phase further comprise a second defoaming agent, a second film forming aid, an antifreezing agent, a second multifunctional aid and a third corrosion inhibitor.
In one embodiment, the continuous phase is prepared from the following raw materials in percentage by mass: 39.2 to 67 percent of water, 30 to 58 percent of second emulsion, 0.3 to 0.8 percent of second alkali swelling thickener, 0.1 to 0.5 percent of second defoamer, 1.5 to 4.0 percent of second film forming additive, 0.3 to 1.2 percent of antifreeze, 0.05 to 0.4 percent of second multifunctional additive and 0.2 to 0.6 percent of third preservative.
In one embodiment, the continuous phase is prepared from the following raw materials in percentage by mass: 40-60% of water, 35-53% of second emulsion, 0.4-0.8% of second alkali swelling thickener, 0.1-0.5% of second defoaming agent, 1.5-4.0% of second film forming aid, 0.3-1.2% of antifreezing agent, 0.05-0.4% of second multifunctional aid and 0.2-0.6% of third corrosion inhibitor.
In one embodiment, the second anti-foaming agent is a silicone surfactant. Preferably, the second antifoaming agent is NXZ of nopinaceae.
In one embodiment, the second film aid is alcohol ester twelve.
In one embodiment, the second multifunctional adjuvant is Dow AMP-95.
In one embodiment, the antifreeze is ethylene glycol.
In one embodiment, the third corrosion inhibitor is MBS 5050.
The invention also provides a preparation method of the water-in-water coating capable of externally toning, which comprises the following steps:
(1) preparing a base paint:
mixing the hydroxyethyl cellulose, the first emulsion, the first alkali swelling thickener, the pigment and filler, the protective glue containing the magnesium lithium silicate and water;
(2) preparing a granulating liquid:
mixing the protective glue containing the magnesium lithium silicate with water;
(3) preparing color particles:
and adding the granulating liquid into the base paint, and stirring and granulating to obtain the colored particles, wherein the mass ratio of the base paint to the granulating liquid is more than 2: 1. Preferably, the mass ratio of the base paint to the granulating liquid is (7:3) - (6: 1).
(4) Preparation of the continuous phase:
mixing said second emulsion, a second alkali swelling thickener and water.
(5) Preparing the water-in-water paint capable of externally toning:
and (3) carrying out color particle preparation on the obtained color particles: the continuous phases are mixed according to the mass ratio (0.25-1.5) to 1, and the water-in-water coating capable of externally toning can be prepared.
Preferably, the preparation method of the base paint comprises the following steps of preparing a formula containing water, hydroxyethyl cellulose, a dispersing agent, a wetting agent, a first defoaming agent, a first film-forming auxiliary agent, a first multifunctional auxiliary agent, pigment and filler, a first emulsion, a first alkali swelling thickener and a first preservative;
adding most of water and hydroxyethyl cellulose into a dispersion cylinder, and dispersing at low speed for 5 min; then adding a dispersing agent, a wetting agent, a first defoaming agent, a first film forming auxiliary agent and a first multifunctional auxiliary agent, and dispersing for 5min at medium speed; then adding titanium dioxide and kaolin, and dispersing at high speed for 10 min; then adding the first emulsion, and dispersing at medium speed for 5 min; then adding a first alkali swelling thickener added with water, and dispersing at medium speed for 5 min; then adding a protective glue solution with the protective glue mass concentration of 8%, and dispersing at medium speed for 5 min; and finally, adding a first preservative, and dispersing at a low speed for 10min to prepare the base paint.
Preferably, the preparation method of the formula of the granulation liquid containing water, the protective colloid containing the magnesium silicate and the lithium silicate and the second preservative comprises the following steps:
adding water and protective glue containing magnesium lithium silicate into a dispersion cylinder, and dispersing at high speed for 60 min; then adding a second preservative, and dispersing at medium speed for 5min to obtain the granulating liquid.
Preferably, the preparation method of the formula containing water, a second emulsion, a second defoaming agent, a second film forming aid, an antifreezing agent, a second multifunctional aid, a second alkali swelling thickener and a third corrosion inhibitor in the continuous phase comprises the following steps;
adding most of water, a second defoaming agent, a second film forming aid, an antifreezing agent, a second multifunctional aid and a third corrosion inhibitor into a dispersion cylinder, and dispersing at a low speed for 5 min; then adding the second emulsion, and dispersing at low speed for 5 min; and finally adding a second alkali swelling thickener added with water, and dispersing at medium speed for 15min to obtain the continuous phase.
In the invention, the rotating speed of low-speed dispersion is 300rpm-500rpm, the rotating speed of medium-speed dispersion is 500rpm-800rpm, and the rotating speed of high-speed dispersion is 800rpm-1200 rpm.
The invention also provides a decorative paint capable of being brushed, and the preparation raw materials of the decorative paint comprise the water-in-water paint capable of being externally toned.
In one embodiment, the decorative coating is a building interior wall decorative coating.
The following are specific examples.
The following examples and comparative examples use the following starting materials:
the first alkali swelling thickener and the second alkali swelling thickener are both TT935, the dispersant is Gaotai ECODIS P30, the wetting agent is LCN 407 of Kelaien, the first defoamer and the second defoamer are both NXZ of Nopulidae, the first multifunctional additive and the second multifunctional additive are both Dow AMP-95, the antifreeze is ethylene glycol, the first preservative, the second preservative and the third preservative are all MBS5050, the titanium dioxide is R996 titanium dioxide of python, the kaolin is DB80 of Sanfeng chemical industry, and the protective glue is S482 of German Bik BYK.
Example 1
The embodiment provides a water-in-water coating and a preparation method thereof.
(1) The preparation raw materials of the water-in-water coating are as follows:
the base paint is prepared from the following raw materials in percentage by mass:
Figure BDA0003162879370000121
Figure BDA0003162879370000131
secondly, the granulating liquid is prepared from the following raw materials in percentage by mass:
91.6 percent of water,
Protective glue 8% and
0.4% of second preservative.
And the continuous phase is prepared from the following raw materials in percentage by mass:
Figure BDA0003162879370000132
Figure BDA0003162879370000141
(2) preparing the water-in-water paint capable of externally toning:
preparing a base paint:
adding water and hydroxyethyl cellulose into a dispersion cylinder, and dispersing at low speed for 5 min; then adding a dispersing agent, a wetting agent, a first defoaming agent, a first film forming auxiliary agent and a first multifunctional auxiliary agent, and dispersing for 5min at medium speed; then adding titanium dioxide and kaolin, and dispersing at high speed for 10 min; then adding the first emulsion, and dispersing at medium speed for 5 min; then adding a first alkali swelling thickener added with water, and dispersing at medium speed for 5 min; then adding a protective glue solution with the protective glue mass concentration of 8%, and dispersing at medium speed for 5 min; and finally, adding a first preservative, and dispersing at a low speed for 10min to obtain the base paint.
Preparing a granulating liquid:
adding water and protective glue containing magnesium lithium silicate into a dispersion cylinder, and dispersing at high speed for 60 min; then adding a second preservative, and dispersing at medium speed for 5min to obtain the granulation liquid.
And thirdly, granulating:
and adding the granulating liquid into the base paint, and stirring and granulating to obtain colored particles with the particle size of 0.5 mm. Wherein the mass ratio of the base paint to the granulating liquid is 7: 3.
Preparing a continuous phase:
adding water, a second defoaming agent, a second film forming aid, an antifreezing agent, a second multifunctional aid and a third corrosion inhibitor into a dispersion cylinder, and dispersing at a low speed for 5 min; and then adding a second emulsion, dispersing at a low speed for 5min, finally adding a water-blended second alkali swelling thickener, and dispersing at a medium speed for 15min to obtain a continuous phase.
Preparing the water-in-water coating:
and (4) mixing the color particles obtained in the step (III) with the continuous phase obtained in the step (IV) according to the mass ratio of 1:1, and uniformly stirring to obtain the water-in-water coating.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used.
Example 2
The embodiment provides a water-in-water coating and a preparation method thereof. The difference compared to example 1 is that the base paint has 77.66% water and the first alkali swelling thickener is 1.2%.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used. But the strength was slightly inferior to that of example 1.
Example 3
The embodiment provides a water-in-water coating and a preparation method thereof. The difference compared to example 1 is that the base paint has water added in 77.56% and hydroxyethyl cellulose added in 0.6%.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used. But the strength was slightly inferior to that of example 1.
Example 4
The embodiment provides a water-in-water coating and a preparation method thereof. Compared with example 1, the mass ratio of the base paint to the granulating liquid in the granulating process is 5: 1.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used. But the strength was slightly inferior to that of example 1.
Example 5
The embodiment provides a water-in-water coating and a preparation method thereof. Compared with example 1, the mass ratio of the color particles to the continuous phase in the process of preparing the water-in-water paint is 0.5: 1.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used. But the strength was slightly inferior to that of example 1.
Example 6
The embodiment provides a water-in-water coating and a preparation method thereof. The difference compared to example 1 is that the first emulsion in the base paint is LR-656 emulsion from hengsheng company and the second emulsion in the continuous phase is LR-6338 emulsion.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used.
Example 7
The embodiment provides a water-in-water coating and a preparation method thereof. The difference compared to example 1 is that the hydroxyethyl cellulose in the base paint is lentian's B100K cellulose.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used. But slightly weaker than example 1.
Example 8
The embodiment provides a water-in-water coating capable of realizing external color matching and a preparation method thereof.
(1) The preparation raw materials of the water-in-water coating are as follows:
the base paint is prepared from the following raw materials in percentage by mass:
Figure BDA0003162879370000171
secondly, the granulating liquid is prepared from the following raw materials in percentage by mass:
91.6 percent of water,
Protective glue 8% and
0.4% of second preservative.
And the continuous phase is prepared from the following raw materials in percentage by mass:
Figure BDA0003162879370000181
(2) preparing the water-in-water paint capable of externally toning:
the preparation method is the same as that of example 1, the mass ratio of the base paint to the granulating liquid is 4:1 when preparing the colored particles, and the mass ratio of the colored particles to the continuous phase is 1.25:1 when preparing the water-in-water coating.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used. But the strength was inferior compared to example 1.
Example 9
The embodiment provides a water-in-water coating and a preparation method thereof. Compared with example 1, the base paint is characterized in that the addition amount of water in the base paint is 77.76 percent, and the addition amount of the protective glue is 0.24 percent.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint, the color particles can be toned, the effect of adding the color paste to tone the finished water-in-water paint is achieved, and the water-in-water paint can be normally used.
Comparative example 1
This comparative example provides a water-in-water coating and a method of making the same. Compared with the example 1, the mass ratio of the base paint to the granulating liquid is 6.5:3.5, and the mass ratio of the colored particles to the continuous phase is 55:45 when the water-in-water coating is prepared.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint product, color paste colored particles can be formed, the color paste is wrapped by protective glue, cannot enter the interior of the colored particles for dyeing, cannot be externally mixed, and cannot meet the use requirements.
Comparative example 2
This comparative example provides a water-in-water coating and a method of making the same. Compared with the example 1, the mass ratio of the base paint to the granulating liquid is 5: 5.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint product, color paste colored particles can be formed, the color paste is wrapped by protective glue, cannot enter the interior of the colored particles for dyeing, cannot be externally mixed, and cannot meet the use requirements.
Comparative example 3
This comparative example provides a water-in-water coating and a method of making the same. The base paints differed from example 1 in that the amount of water added in the base paint was 77.86% and the amount of hydroxyethyl cellulose added was 0.3%.
Tests prove that the water-in-water paint has good strength, and the diluted color paste (4 parts of water and 1 part of color paste are mixed) can be added into a finished water-in-water paint product for external color adjustment, but the strength is low, and the color particles are easy to be broken and pasted during construction, cannot be normally used and cannot meet the use requirement.
Comparative example 4
This comparative example provides a water-in-water coating and a method of making the same. The rotation speed was reduced during the granulation treatment as compared with example 1, and the particle diameter of the obtained colored pellets was 3 mm.
Tests show that the water-in-water coating has large color particles, is easy to break, cannot be used and is difficult to color in the preparation process.
Comparative example 5
This comparative example provides a water-in-water coating and a method of making the same. The difference compared to example 1 is that the amount of water added to the continuous phase was 42.1% and that 5% of protective gum was added to the continuous phase. In the preparation method, when the continuous phase is prepared, after the second alkali swelling thickening agent is added and before the third corrosion inhibitor is added, a protective glue solution with the mass concentration of 8% of protective glue is added into the dispersion cylinder, and the continuous phase is dispersed for 5min at medium speed.
Tests prove that the water-in-water paint has good strength, and after diluted color paste (4 parts of water and 1 part of color paste are mixed) is added into a finished water-in-water paint product, color paste colored particles can be formed, the color paste is wrapped by protective glue, cannot enter the interior of the colored particles for dyeing, cannot be externally mixed, and cannot meet the use requirements.
Comparative example 6
This comparative example provides a water-in-water coating and a method of making the same. The difference compared to example 1 is that the base paint and the emulsion in the continuous phase are both a Wanhua 8029 emulsion.
Tests show that after the continuous phase is added after the water-in-water coating is granulated into color particles, the finished product has high viscosity and serious thickening, and the color particles are damaged and cannot be used.
Comparative example 7
This comparative example provides a water-in-water coating and a method of making the same. The difference compared to example 1 is that the base paint and the emulsion in the continuous phase are both Wanhua 8087 emulsions.
Tests prove that the water-in-water coating formula is difficult to use in the granulation process.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, so as to understand the technical solutions of the present invention specifically and in detail, but not to be understood as the limitation of the protection scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. It should be understood that the technical solutions provided by the present invention, which are obtained by logical analysis, reasoning or limited experiments, are within the scope of the present invention as set forth in the appended claims. Therefore, the protection scope of the present invention should be subject to the content of the appended claims, and the description and the drawings can be used for explaining the content of the claims.

Claims (11)

1. The water-in-water coating capable of realizing external color matching is characterized in that raw materials for preparing the water-in-water coating comprise base paint, granulating liquid and a continuous phase;
the base paint is prepared from the following raw materials in percentage by mass: 56-80% of water, 0.5-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 0.4-20% of pigment and filler, 0.24-1.12% of protective glue containing magnesium lithium silicate and 1.2-8% of first alkali swelling thickener;
the granulation liquid is prepared from the following raw materials in percentage by mass: 90 to 95 percent of water and 4.8 to 10 percent of protective glue containing magnesium lithium silicate;
the continuous phase is prepared from the following raw materials in percentage by mass: 39.2-69.2% of water, 30-60% of second emulsion and 0.3-0.8% of second alkali swelling thickener;
the first emulsion and the second emulsion are selected from acrylate emulsions, the first emulsion and the protective glue containing the magnesium lithium silicate have reactivity, and the second emulsion and the protective glue containing the magnesium lithium silicate have no reactivity;
the continuous phase does not contain protective glue;
the preparation method of the water-in-water coating capable of externally toning comprises the steps of mixing the base paint and the granulating liquid according to the mass ratio of more than 2:1 to prepare colored particles with the particle size of less than 1mm, and mixing the colored particles and the continuous phase according to the mass ratio of (0.25-1.5): 1.
2. The water-in-water paint with external color matching capability according to claim 1, wherein the viscosity of the hydroxyethyl cellulose aqueous solution containing the hydroxyethyl cellulose and having a mass concentration of 1% of the hydroxyethyl cellulose is 5000-15000 cps at 25 ℃;
the viscosity of the first emulsion at 25 ℃ is 100 mPs-3000 mPs, and the solid content is 45% +/-5%;
the viscosity of the second emulsion at 25 ℃ is less than or equal to 500mP & s, and the solid content is 36% +/-8%.
3. The externally tintable water-in-water coating of claim 2, wherein the hydroxyethyl cellulose is methylene blue HE-10K;
the first emulsion is a Wanhua 8029 emulsion, and the second emulsion is a Wanhua 8087 emulsion;
the first alkali swelling thickener and the second alkali swelling thickener are each independently selected from TT935 or TT 615.
4. The externally toning water-in-water coating according to claim 1, wherein the pigment and filler comprise 0.2-10% of titanium dioxide and 0.2-10% of kaolin in percentage by mass of the base paint.
5. The externally-toning water-in-water coating according to claim 1, wherein the base paint is prepared from raw materials further comprising a dispersing agent, a wetting agent, a first defoaming agent, a first film-forming aid, a first multifunctional aid and a first preservative;
the raw materials for preparing the granulating liquid also comprise a second preservative;
the preparation raw materials of the continuous phase also comprise a second defoaming agent, a second film forming auxiliary agent, an antifreezing agent, a second multifunctional auxiliary agent and a third corrosion inhibitor.
6. The water-in-water paint capable of externally toning according to claim 5, wherein the base paint is prepared from the following raw materials in percentage by mass: 56-80% of water, 0.5-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 0.4-20% of pigment and filler, 0.24-1.12% of protective glue containing magnesium lithium silicate, 1.2-8% of first alkali swelling thickener, 0.1-0.4% of dispersant, 0.1-0.4% of wetting agent, 0.1-0.4% of first defoaming agent, 0.2-2% of first film forming auxiliary agent, 0.05-0.3% of first multifunctional auxiliary agent and 0.2-1% of first preservative;
the granulation liquid is prepared from the following raw materials in percentage by mass: 90-95% of water, 4.8-10% of protective glue containing magnesium lithium silicate and 0.2-0.5% of second preservative;
the continuous phase is prepared from the following raw materials in percentage by mass: 39.2 to 67 percent of water, 30 to 58 percent of second emulsion, 0.3 to 0.8 percent of second alkali swelling thickener, 0.1 to 0.5 percent of second defoamer, 1.5 to 4.0 percent of second film forming additive, 0.3 to 1.2 percent of antifreeze, 0.05 to 0.4 percent of second multifunctional additive and 0.2 to 0.6 percent of third preservative.
7. The water-in-water paint capable of externally toning according to claim 6, wherein the base paint is prepared from the following raw materials in percentage by mass: 60-75% of water, 0.8-1.2% of hydroxyethyl cellulose, 8-20% of first emulsion, 2-10% of pigment and filler, 0.48-1% of protective glue containing magnesium lithium silicate, 1.5-5% of first alkali swelling thickener, 0.1-0.4% of dispersant, 0.1-0.4% of wetting agent, 0.1-0.4% of first defoaming agent, 0.2-2% of first film forming auxiliary agent, 0.05-0.3% of first multifunctional auxiliary agent and 0.2-1% of first preservative;
the granulation liquid is prepared from the following raw materials in percentage by mass: 91-94.5% of water, 5-8.7% of protective glue containing lithium magnesium silicate and 0.3-0.5% of second preservative;
the continuous phase is prepared from the following raw materials in percentage by mass: 40-60% of water, 35-53% of second emulsion, 0.4-0.8% of second alkali swelling thickener, 0.1-0.5% of second defoaming agent, 1.5-4.0% of second film forming aid, 0.3-1.2% of antifreezing agent, 0.05-0.4% of second multifunctional aid and 0.2-0.6% of third corrosion inhibitor.
8. The externally tintable water-in-water coating of claim 6, wherein the dispersant is a sodium polycarboxylate dispersant; and/or the presence of a gas in the gas,
the wetting agent is selected from at least one of polyoxyethylene alkylphenol ether, polyoxyethylene fatty alcohol ether, polyoxyethylene polyoxypropylene block copolymer, polyoxyethylene alkylaryl ether, polyethoxy nonylphenol or nonionic alkoxylated alcohol surfactant; and/or the presence of a gas in the gas,
the first and second defoaming agents are selected from silicone surfactants.
9. The water-in-water coating according to any one of claims 1 to 8, wherein the preparation method of the base paint comprises the following steps:
mixing the raw materials for preparing the base paint;
the preparation method of the granulating liquid comprises the following steps:
mixing raw materials for preparing the granulating liquid;
the preparation method of the continuous phase comprises the following steps:
the raw materials for preparing the continuous phase are mixed.
10. The water-in-water coating as claimed in claim 9, wherein the step of mixing the base paint and the granulating liquid according to a mass ratio of more than 2:1 to prepare the colored particles with the particle size of less than 1mm comprises:
and adding the granulating liquid into the base paint, and stirring and granulating.
11. A decorative coating, characterized in that it is prepared from a raw material comprising the externally tintable water-in-water coating of any one of claims 1 to 10.
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