CN111303695A - Environment-friendly water-based color paste and preparation method and application thereof - Google Patents
Environment-friendly water-based color paste and preparation method and application thereof Download PDFInfo
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- CN111303695A CN111303695A CN202010161565.3A CN202010161565A CN111303695A CN 111303695 A CN111303695 A CN 111303695A CN 202010161565 A CN202010161565 A CN 202010161565A CN 111303695 A CN111303695 A CN 111303695A
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- color paste
- silicone oil
- environment
- pigment
- preservative
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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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/001—Pigment pastes, e.g. for mixing in paints in aqueous medium
-
- 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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
-
- 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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/007—Metal oxide
-
- 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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/007—Metal oxide
- C09D17/008—Titanium dioxide
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of color paste, and provides an environment-friendly water-based color paste which at least comprises the following raw materials in percentage by weight: 0.1-0.5% of preservative, 1-5% of dispersing agent, 0.1-1% of defoaming agent, 1-10% of wetting agent, 20-40% of pigment, 1-5% of functional silicone oil and the balance of deionized water.
Description
Technical Field
The invention relates to the technical field of color paste, in particular to environment-friendly water-based color paste and a preparation method and application thereof.
Background
The color paste is a pigment concentrated paste as the name implies, and is prepared by utilizing different pigments and through the technologies of pigment surface treatment, surface coating and the like and strict processing technology. According to different solvents used by the color paste, the color paste is divided into water-based color paste, oil-based color paste, water-oil-based color paste and the like; according to different purposes of the color paste, the color paste is divided into paint color paste, adhesive tape color paste, paper making color paste, textile color paste, mechanical color paste, toy color paste, latex product color paste and the like; according to different tools using color pastes, people simply divide color pastes into factory color pastes, machine color pastes and the like. The color paste is a semi-product formed by dispersing pigment or pigment and filling material in the paint vehicle. The pure oil is used as the adhesive to be called as the oily color paste. Resin paint is used as adhesive and is called resin color paste. The pigment and filler pulp which is formed by dispersing water as a medium and adding a surfactant is called water-based color paste. Because the paint types are various, the color paste types are also various. In order to disperse the pigment and the like in the paint more well, a small amount of a surfactant, zinc naphthenate and the like are often added during the manufacturing process.
With the improvement of the requirement of environmental protection, the prior solvent-based color paste is gradually changed into the water-based color paste, and compared with the traditional solvent-based color paste, the water-based color paste is a novel green environment-friendly product, does not contain toxic solvent, has relatively low formaldehyde content and is more and more concerned. However, the existing water-based color paste has poor stability, and is easy to deteriorate in the storage process.
Disclosure of Invention
In order to solve the technical problem, the first aspect of the present invention provides an environment-friendly water-based color paste, which comprises the following raw materials, by weight: 0.1-0.5% of preservative, 1-5% of dispersing agent, 0.1-1% of defoaming agent, 1-10% of wetting agent, 20-40% of pigment, 1-5% of functional silicone oil and the balance of deionized water.
As a preferred technical scheme, the environment-friendly aqueous color paste provided by the invention at least comprises the following raw materials in percentage by weight: 0.2-0.4% of preservative, 2-4% of dispersant, 0.4-0.8% of defoaming agent, 3-7% of wetting agent, 25-35% of pigment, 2.5-4.5% of functional silicone oil and the balance of deionized water.
As a preferred technical scheme, the environment-friendly aqueous color paste provided by the invention at least comprises the following raw materials in percentage by weight: 0.3% of preservative, 3% of dispersant, 0.6% of defoamer, 5% of wetting agent, 30% of pigment, 3.5% of functional silicone oil and the balance of deionized water.
As a preferable technical scheme, the functional silicone oil is polyether modified silicone oil and/or epoxy-terminated silicone oil.
As a preferable technical solution, the weight ratio of the polyether modified silicone oil to the epoxy-terminated silicone oil in the present invention is 1: (0.5-3.5).
As a preferable technical solution, the weight ratio of the polyether modified silicone oil to the epoxy-terminated silicone oil in the present invention is 1: (1-2.5).
As a preferable technical solution, the pigment in the present invention includes at least one of nano zinc oxide, nano titanium dioxide, and nano silicon dioxide.
As a preferred technical scheme, the pigment is a mixture of nano zinc oxide and nano titanium dioxide; the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: (1-5).
The second aspect of the invention provides a preparation method of the environment-friendly water-based color paste, which at least comprises the following steps: (1) adding a preservative, a dispersing agent, a defoaming agent, a wetting agent and functional silicone oil into deionized water, and stirring and dispersing to obtain a dispersion liquid; (3) adding the pigment into the dispersion liquid, stirring for 1-3 hours, and grinding for 2-6 hours to obtain pigment slurry; grinding and filtering to obtain the product.
The third aspect of the invention provides an application of the environment-friendly water-based color paste, which is applied to at least one of paint, leather coloring, ink, printing and paper.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an environment-friendly water-based color paste and a preparation method thereof, the color paste takes water as a solvent matrix, is safe and environment-friendly, has very good storage stability, and is not easy to deteriorate. Because the end group contains active epoxy group, the cohesive force of the color paste can be increased in the color paste system, and the stability can be kept for a long time.
Detailed Description
The technical features of the technical solutions provided by the present invention will be further clearly and completely described below with reference to the specific embodiments, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including 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. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The words "preferred", "preferably", "more preferred", and the like, in the present invention, refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
The invention provides an environment-friendly water-based color paste, which at least comprises the following raw materials in percentage by weight: 0.1-0.5% of preservative, 1-5% of dispersing agent, 0.1-1% of defoaming agent, 1-10% of wetting agent, 20-40% of pigment, 1-5% of functional silicone oil and the balance of deionized water.
In some preferred embodiments, the environment-friendly aqueous color paste at least comprises the following raw materials in percentage by weight: 0.2-0.4% of preservative, 2-4% of dispersant, 0.4-0.8% of defoaming agent, 3-7% of wetting agent, 25-35% of pigment, 2.5-4.5% of functional silicone oil and the balance of deionized water.
In some more preferred embodiments, the environment-friendly aqueous color paste at least comprises the following raw materials in percentage by weight: 0.3% of preservative, 3% of dispersant, 0.6% of defoamer, 5% of wetting agent, 30% of pigment, 3.5% of functional silicone oil and the balance of deionized water.
In some embodiments, the functional silicone oil is a polyether modified silicone oil and/or an epoxy-terminated silicone oil.
In some preferred embodiments, the functional silicone oil is a polyether-modified silicone oil and an epoxy-terminated silicone oil.
In some embodiments, the weight ratio of the polyether-modified silicone oil to the epoxy-terminated silicone oil is 1: (0.5-3.5).
In some preferred embodiments, the weight ratio of the polyether-modified silicone oil to the epoxy-terminated silicone oil is 1: (1-2.5).
In some more preferred embodiments, the weight ratio of the polyether-modified silicone oil to the epoxy-terminated silicone oil is 1: 2.
in some embodiments, the pigment comprises at least one of nano zinc oxide, nano titanium dioxide, nano silicon dioxide.
In some preferred embodiments, the pigment is a mixture of nano zinc oxide, nano titanium dioxide; the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: (1-5).
In some more preferred embodiments, the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: 3.5.
in the present invention, the kind of the preservative is not particularly limited, and preferably, the preservative is 2-methyl-4-isothiazolin-3-one.
In some embodiments, the dispersant comprises at least one of sodium lauryl sulfate, methyl amyl alcohol, polyacrylamide, fatty acid polyglycol ester.
In some preferred embodiments, the dispersant is sodium lauryl sulfate.
In the present invention, the kind of the defoaming agent is not particularly limited, and preferably, the defoaming agent is mineral oil.
In some embodiments, the wetting agent is dioctyl sodium sulfosuccinate.
The second aspect of the invention provides a preparation method of the environment-friendly water-based color paste, which at least comprises the following steps: (1) adding a preservative, a dispersing agent, a defoaming agent, a wetting agent and functional silicone oil into deionized water, and stirring and dispersing to obtain a dispersion liquid; (3) adding the pigment into the dispersion liquid, stirring for 1-3 hours, and grinding for 2-6 hours to obtain pigment slurry; grinding and filtering to obtain the product.
The third aspect of the invention provides an application of the environment-friendly water-based color paste, which is characterized by being applied to at least one of paint, leather coloring, ink, printing and paper.
The present invention is described in detail below by way of examples, and it should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention.
Example 1
The environment-friendly water-based color paste at least comprises the following raw materials in percentage by weight: 0.3% of preservative, 3% of dispersant, 0.6% of defoamer, 5% of wetting agent, 30% of pigment, 3.5% of functional silicone oil and the balance of deionized water. The preservative is 2-methyl-4-isothiazoline-3-ketone. The dispersing agent is sodium dodecyl sulfate. The defoaming agent is mineral oil. The wetting agent is dioctyl sodium sulfosuccinate.
The functional silicone oil is polyether modified silicone oil and end epoxy group silicone oil, and the weight ratio of the polyether modified silicone oil to the end epoxy group silicone oil is 1: 2, the polyether modified silicone oil is purchased from Suzhou Changke new materials science and technology limited, and the epoxy-terminated silicone oil is purchased from Nanjing Chen chemical industry with the mark of CG-276.
The pigment is a mixture of nano zinc oxide and nano titanium dioxide; the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: 3.5.
the preparation method of the environment-friendly water-based color paste at least comprises the following steps: (1) adding a preservative, a dispersing agent, a defoaming agent, a wetting agent and functional silicone oil into deionized water, and stirring and dispersing to obtain a dispersion liquid; (3) adding the pigment into the dispersion liquid, stirring for 2.5 hours, and grinding for 4 hours to obtain pigment slurry; grinding and filtering to obtain the product.
Example 2
The environment-friendly water-based color paste at least comprises the following raw materials in percentage by weight: 0.3% of preservative, 3% of dispersant, 0.6% of defoamer, 5% of wetting agent, 30% of pigment, 3.5% of functional silicone oil and the balance of deionized water. The preservative is 2-methyl-4-isothiazoline-3-ketone. The dispersing agent is sodium dodecyl sulfate. The defoaming agent is mineral oil. The wetting agent is dioctyl sodium sulfosuccinate.
The functional silicone oil is polyether amine.
The pigment is a mixture of nano zinc oxide and nano titanium dioxide; the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: 3.5.
the preparation method of the environment-friendly water-based color paste at least comprises the following steps: (1) adding a preservative, a dispersing agent, a defoaming agent, a wetting agent and functional silicone oil into deionized water, and stirring and dispersing to obtain a dispersion liquid; (3) adding the pigment into the dispersion liquid, stirring for 2.5 hours, and grinding for 4 hours to obtain pigment slurry; grinding and filtering to obtain the product.
Example 3
The environment-friendly water-based color paste at least comprises the following raw materials in percentage by weight: 0.3% of preservative, 3% of dispersant, 0.6% of defoamer, 5% of wetting agent, 30% of pigment, 3.5% of functional silicone oil and the balance of deionized water. The preservative is 2-methyl-4-isothiazoline-3-ketone. The dispersing agent is sodium dodecyl sulfate. The defoaming agent is mineral oil. The wetting agent is dioctyl sodium sulfosuccinate.
The functional silicone oil is polyether modified silicone oil which is purchased from Suzhou Changke new material science and technology limited company.
The pigment is a mixture of nano zinc oxide and nano titanium dioxide; the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: 3.5.
the preparation method of the environment-friendly water-based color paste at least comprises the following steps: (1) adding a preservative, a dispersing agent, a defoaming agent, a wetting agent and functional silicone oil into deionized water, and stirring and dispersing to obtain a dispersion liquid; (3) adding the pigment into the dispersion liquid, stirring for 2.5 hours, and grinding for 4 hours to obtain pigment slurry; grinding and filtering to obtain the product.
Example 4
The environment-friendly water-based color paste at least comprises the following raw materials in percentage by weight: 0.3% of preservative, 3% of dispersant, 0.6% of defoamer, 5% of wetting agent, 30% of pigment, 3.5% of functional silicone oil and the balance of deionized water. The preservative is 2-methyl-4-isothiazoline-3-ketone. The dispersing agent is sodium dodecyl sulfate. The defoaming agent is mineral oil. The wetting agent is dioctyl sodium sulfosuccinate.
The functional silicone oil is end-epoxy-terminated silicone oil which is purchased from Nanjing Entechinical chemical industry and has the mark of CG-276.
The pigment is a mixture of nano zinc oxide and nano titanium dioxide; the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: 3.5.
the preparation method of the environment-friendly water-based color paste at least comprises the following steps: (1) adding a preservative, a dispersing agent, a defoaming agent, a wetting agent and functional silicone oil into deionized water, and stirring and dispersing to obtain a dispersion liquid; (3) adding the pigment into the dispersion liquid, stirring for 2.5 hours, and grinding for 4 hours to obtain pigment slurry; grinding and filtering to obtain the product.
Performance testing
The aqueous color pastes prepared in the examples 1 to 4 are placed for 3 months, 6 months and 9 months, followed and observed to judge whether the precipitate is generated, and the test results are shown in the table 1 based on the visual inspection.
Table 1 results of performance testing
| Examples | 3 months old | 6 months old | 9 months old |
| Example 1 | Is free of | Is free of | Is free of |
| Example 2 | Is provided with | Is provided with | Is provided with |
| Example 3 | Is free of | Is provided with | Is provided with |
| Example 4 | Is free of | Is free of | Is provided with |
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content disclosed above into an equivalent embodiment with equivalent changes, but all those simple modifications, equivalent changes and modifications made on the above embodiment according to the technical spirit of the present invention still belong to the protection scope of the present invention.
Claims (10)
1. The environment-friendly water-based color paste is characterized by at least comprising the following raw materials in percentage by weight: 0.1-0.5% of preservative, 1-5% of dispersing agent, 0.1-1% of defoaming agent, 1-10% of wetting agent, 20-40% of pigment, 1-5% of functional silicone oil and the balance of deionized water.
2. The environment-friendly aqueous color paste according to claim 1, wherein the raw materials at least comprise, by weight: 0.2-0.4% of preservative, 2-4% of dispersant, 0.4-0.8% of defoaming agent, 3-7% of wetting agent, 25-35% of pigment, 2.5-4.5% of functional silicone oil and the balance of deionized water.
3. The environment-friendly aqueous color paste according to claim 1 or 2, wherein the raw materials at least comprise, by weight: 0.3% of preservative, 3% of dispersant, 0.6% of defoamer, 5% of wetting agent, 30% of pigment, 3.5% of functional silicone oil and the balance of deionized water.
4. The environment-friendly aqueous color paste according to any one of claims 1 to 3, wherein the functional silicone oil is polyether modified silicone oil and/or epoxy-terminated silicone oil.
5. The environment-friendly aqueous color paste according to claim 4, wherein the weight ratio of the polyether modified silicone oil to the epoxy-terminated silicone oil is 1: (0.5-3.5).
6. The environment-friendly aqueous color paste according to claim 5, wherein the weight ratio of the polyether modified silicone oil to the epoxy-terminated silicone oil is 1: (1-2.5).
7. The environment-friendly aqueous color paste according to any one of claims 1 to 3, wherein the pigment comprises at least one of nano zinc oxide, nano titanium dioxide and nano silicon dioxide.
8. The environment-friendly aqueous color paste according to claim 7, wherein the pigment is a mixture of nano zinc oxide and nano titanium dioxide; the weight ratio of the nano zinc oxide to the nano titanium dioxide is 1: (1-5).
9. The preparation method of the environment-friendly aqueous color paste according to any one of claims 1 to 8, characterized by comprising the following steps: (1) adding a preservative, a dispersing agent, a defoaming agent, a wetting agent and functional silicone oil into deionized water, and stirring and dispersing to obtain a dispersion liquid; (3) adding the pigment into the dispersion liquid, stirring for 1-3 hours, and grinding for 2-6 hours to obtain pigment slurry; grinding and filtering to obtain the product.
10. The use of the environmental-friendly aqueous color paste according to any one of claims 1 to 8, wherein the environmental-friendly aqueous color paste is applied to at least one of paint, leather coloring, ink, printing and paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010161565.3A CN111303695A (en) | 2020-03-10 | 2020-03-10 | Environment-friendly water-based color paste and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010161565.3A CN111303695A (en) | 2020-03-10 | 2020-03-10 | Environment-friendly water-based color paste and preparation method and application thereof |
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| CN111303695A true CN111303695A (en) | 2020-06-19 |
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| CN202010161565.3A Withdrawn CN111303695A (en) | 2020-03-10 | 2020-03-10 | Environment-friendly water-based color paste and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745719A (en) * | 2021-01-29 | 2021-05-04 | 南京信彩科技有限公司 | Preparation process of environment-friendly color paste for spinning |
| CN116376316A (en) * | 2023-02-27 | 2023-07-04 | 杭州映山花颜料化工有限公司 | Water-based organic pigment and preparation method thereof |
-
2020
- 2020-03-10 CN CN202010161565.3A patent/CN111303695A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745719A (en) * | 2021-01-29 | 2021-05-04 | 南京信彩科技有限公司 | Preparation process of environment-friendly color paste for spinning |
| CN116376316A (en) * | 2023-02-27 | 2023-07-04 | 杭州映山花颜料化工有限公司 | Water-based organic pigment and preparation method thereof |
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