CN111116820A - Silicone-acrylic emulsion for multicolor paint and preparation method thereof - Google Patents
Silicone-acrylic emulsion for multicolor paint and preparation method thereof Download PDFInfo
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- CN111116820A CN111116820A CN201911390273.0A CN201911390273A CN111116820A CN 111116820 A CN111116820 A CN 111116820A CN 201911390273 A CN201911390273 A CN 201911390273A CN 111116820 A CN111116820 A CN 111116820A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- 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
- C08K3/16—Halogen-containing compounds
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- 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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
- C08K2003/3081—Aluminum sulfate
Abstract
The invention relates to the technical field of preparation of silicone-acrylic emulsion, and discloses a silicone-acrylic emulsion for a multicolor paint and a preparation method thereof, wherein the silicone-acrylic emulsion is prepared by fully mixing a pre-emulsion A and a pre-emulsion B according to the following mass percentage: the pre-emulsion A comprises 10 to 15 percent of methyl methacrylate, 1.8 to 2.2 percent of isooctyl acrylate, 12 to 16 percent of n-butyl acrylate, 0.2 to 0.6 percent of methacrylic acid and 3 to 5 percent of hydroxyethyl methacrylate. According to the silicone-acrylate emulsion for the multicolor paint and the preparation method thereof, the protective emulsion is added into the silicone-acrylate emulsion, so that the silicone-acrylate emulsion has strong wrapping property and adsorbability, and the film-forming substance in the multicolor paint can effectively wrap the colorful particles completely, so that the colorful particles can be effectively dispersed in the silicone-acrylate emulsion, the presented color is bright, and the phenomena of color mixing and color distortion caused by the concentrated accumulation of the colorful particles cannot occur.
Description
Technical Field
The invention relates to the technical field of preparation of silicone-acrylate emulsion, in particular to silicone-acrylate emulsion for a multicolor paint and a preparation method thereof.
Background
The water-in-water multicolor paint is a multiphase suspension system, takes multicolor particles prepared by compounding water-based resin, protective glue and various color fillers as a dispersed phase of the paint, and is matched with a continuous phase consisting of protective glue solution and emulsion, can present various color patterns after spraying construction, is similar to granite paint in appearance, can effectively reduce the exploitation and processing of natural stones, has good stain resistance, corrosion resistance, weather resistance and the like, has extremely low VOC content due to complete water-based property, does not contain volatile carcinogens such as formaldehyde and the like, and has good safety and is widely applied to the field of building exterior wall decoration.
However, when the dispersed phase (multi-color particles) is added to the conventional continuous phase (silicone-acrylic emulsion), an effective protective film cannot be formed around the multi-color particles, thereby causing serious bleeding of the colorful particles in the silicone-acrylic emulsion and mutual permeation of the colors in the colorful particles, causing the colors displayed by the colorful coating after spraying to be mixed, stacked and overlapped with each other, causing serious color distortion and limiting the viscosity of the silicone-acrylic emulsion, the suspension state of the colorful particles and the stability of the colorful coating are influenced critically, the suspension of the colorful particles is facilitated due to the excessive viscosity, but the viscosity difference between the silicone-acrylic emulsion and the colorful particles is increased, further, the stability of the multicolor paint is reduced, and if the viscosity is too low, the color distortion phenomenon caused by the deposition of the multicolor particles occurs, so it is urgently needed to improve the existing silicone-acrylate emulsion to ensure the color elegance and stability of the multicolor paint.
Disclosure of Invention
Technical problem to be solved
The invention provides a silicone-acrylate emulsion for a multicolor paint and a preparation method thereof, which have the advantages of high stability and reliability of the multicolor paint, bright color and no color distortion, and solve the problems that when a disperse phase (multicolor particles) is added into the conventional continuous phase (silicone-acrylate emulsion), an effective protective film cannot be formed around the multicolor particles, so that the multicolor particles generate serious bleeding in the silicone-acrylate emulsion, the colors in the multicolor particles mutually permeate, so that the colors displayed by the multicolor paint after spraying are mixed, stacked and overlapped, the color distortion is serious, the viscosity of the silicone-acrylate emulsion is limited, the silicone-acrylate emulsion has a vital influence on the suspension state of the multicolor particles and the stability of the multicolor paint, the suspension of the multicolor particles is facilitated due to excessive viscosity, but the viscosity difference between the silicone-acrylate emulsion and the multicolor particles is increased, this in turn leads to a reduction in the stability of the multicolour paint, while an excessively low viscosity leads to the problem of colour distortion due to the deposition of the multicolour particles.
(II) technical scheme
The invention provides the following technical scheme: the silicone-acrylic emulsion for the multicolor paint is prepared by fully mixing a pre-emulsion A and a pre-emulsion B according to the following mass percent:
the pre-emulsion A comprises: 10 to 15 percent of methyl methacrylate, 1.8 to 2.2 percent of isooctyl acrylate, 12 to 16 percent of n-butyl acrylate, 0.2 to 0.6 percent of methacrylic acid, 3 to 5 percent of hydroxyethyl methacrylate, a certain amount of gamma-methacryloxypropyl triisopropoxysilane, 22 to 33 percent of deionized water and 2 to 8 percent of emulsifier;
the pre-emulsion B comprises: the rest of emulsifier, 46-53% deionized water and a small amount of sodium bicarbonate.
A preparation method of silicone-acrylate emulsion for multicolor paint comprises the following preparation processes:
step 1, uniformly mixing the raw materials for preparing the silicone-acrylic emulsion in a three-necked bottle, adding a part of emulsifier and 22-33% of deionized water, and stirring and mixing for 30 minutes at the speed of 800r/min to prepare a pre-emulsion A;
step 2, adding the rest part of emulsifier, 46-53% of deionized water and sodium bicarbonate into a four-necked bottle provided with a constant pressure dropping funnel, a thermometer and a stirrer, and uniformly stirring for 15 minutes at a speed of 100-200 r/min in a water bath kettle at (85 +/-1) DEG C to prepare a pre-emulsion B;
step 3, pouring the pre-emulsion A into a constant-pressure dropping funnel, beginning to dropwise add the pre-emulsion A into the pre-emulsion B, ensuring that the pre-emulsion A is completely dropwise added within about 4 hours, and then keeping the mixed emulsion of the pre-emulsion A and the pre-emulsion B at the water bath temperature of 85 ℃ for 1 hour;
and 4, adjusting the temperature of the mixed emulsion to 75 ℃, dropwise adding an initiator aqueous solution for 1 hour, keeping the temperature for 30min, cooling to room temperature, neutralizing the pH value of the mixed solution to 8 by using a neutralizing agent, and filtering to obtain the silicone-acrylic emulsion.
Preferably, the neutralizer is a mixed solution of 0.5-1.0% of aluminum sulfate and 0.5% of ferric chloride by mass percent.
Preferably, the silicone acrylic emulsion is mixed with a protective emulsion formed by adding a mixed solution of 0.12-0.30% by mass of hydroxyethyl methyl cellulose and 0.5-1.0% by mass of sodium pyrophosphate.
Preferably, the addition of the protective emulsion requires that the silicone-acrylic emulsion is continuously added in a small amount under the condition of 1200 r/min-1500 r/min, and the silicone-acrylic emulsion is continuously stirred for 10-15 min after the protective emulsion is added.
(III) advantageous effects
The invention has the following beneficial effects:
1. according to the silicone-acrylate emulsion for the colorful coating and the preparation method thereof, the protective emulsion formed by the mixed solution of hydroxyethyl methyl cellulose and sodium pyrophosphate is added into the silicone-acrylate emulsion, so that the silicone-acrylate emulsion has strong wrapping property and adsorbability, and the film-forming substance in the colorful coating can effectively and completely coat the colorful particles in the silicone-acrylate emulsion, so that the colorful particles can be effectively dispersed in the silicone-acrylate emulsion, the presented color is bright, and the phenomenon of color mixing and distortion caused by the concentrated accumulation of the colorful particles in the silicone-acrylate emulsion can be avoided.
2. According to the silicone-acrylic emulsion for the multicolor paint and the preparation method thereof, the protective emulsion formed by the mixed solution of the hydroxyethyl methylcellulose and the sodium pyrophosphate is added into the silicone-acrylic emulsion, so that the colorful particles can be well coated, the viscosity of the silicone-acrylic emulsion can be effectively improved, the colorful particles in the silicone-acrylic emulsion can be stably kept in a suspended state, the phenomenon that the colorful particles float upwards or disperse and sink due to accumulation is further ensured, and the phenomena of color mixing and distortion after the colorful paint is sprayed are further ensured.
3. According to the silicone-acrylic emulsion for the multicolor paint and the preparation method thereof, the neutralizing agent mixed by aluminum sulfate and ferric chloride is added into the silicone-acrylic emulsion, the pH value of the silicone-acrylic emulsion is adjusted, the cation content in the silicone-acrylic emulsion can be effectively increased, and an effective flexible colloid protective film is formed around hydroxyethyl methyl cellulose, so that the colorful particles can be kept in a stable state for a long time in the silicone-acrylic emulsion without the phenomenon of color bleeding, and the granulation effect of the colorful particles in the silicone-acrylic emulsion and the color effect displayed by the colorful particles are more vivid.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious 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.
The silicone-acrylic emulsion for the multicolor paint is prepared by fully mixing a pre-emulsion A and a pre-emulsion B according to the following mass percent:
the pre-emulsion A comprises: 10 to 15 percent of methyl methacrylate, 1.8 to 2.2 percent of isooctyl acrylate, 12 to 16 percent of n-butyl acrylate, 0.2 to 0.6 percent of methacrylic acid, 3 to 5 percent of hydroxyethyl methacrylate, a certain amount of gamma-methacryloxypropyl triisopropoxysilane, 22 to 33 percent of deionized water and 2 to 8 percent of emulsifier;
the pre-emulsion B comprises: the rest of emulsifier, 46-53% deionized water and a small amount of sodium bicarbonate.
A preparation method of silicone-acrylate emulsion for multicolor paint comprises the following preparation processes:
step 1, uniformly mixing the raw materials for preparing the silicone-acrylic emulsion in a three-necked bottle, adding a part of emulsifier and 22-33% of deionized water, and stirring and mixing for 30 minutes at the speed of 800r/min to prepare a pre-emulsion A;
step 2, adding the rest part of emulsifier, 46-53% of deionized water and sodium bicarbonate into a four-necked bottle provided with a constant pressure dropping funnel, a thermometer and a stirrer, and uniformly stirring for 15 minutes at a speed of 100-200 r/min in a water bath kettle at (85 +/-1) DEG C to prepare a pre-emulsion B;
step 3, pouring the pre-emulsion A into a constant-pressure dropping funnel, beginning to dropwise add the pre-emulsion A into the pre-emulsion B, ensuring that the pre-emulsion A is completely dropwise added within about 4 hours, and then keeping the mixed emulsion of the pre-emulsion A and the pre-emulsion B at the water bath temperature of 85 ℃ for 1 hour;
and 4, adjusting the temperature of the mixed emulsion to 75 ℃, dropwise adding an initiator aqueous solution for 1 hour, keeping the temperature for 30min, cooling to room temperature, neutralizing the pH value of the mixed solution to 8 by using a neutralizing agent, and filtering to obtain the silicone-acrylic emulsion.
Detailed description of the preferred embodiment
In the technical scheme, the neutralizer is a mixed solution consisting of 0.5-1.0% of aluminum sulfate and 0.5% of ferric chloride in percentage by mass.
The addition of the neutralizing agent and the proportion of the neutralizing agent can form a stable and effective flexible protective film for the added colorful particles, so that the colorful particles can be kept in a stable state for a long time in the silicone-acrylic emulsion without bleeding, and the granulation effect of the colorful particles in the silicone-acrylic emulsion and the color effect displayed by the colorful particles are more vivid.
Detailed description of the invention
In the technical scheme, the neutralizer is a mixed solution composed of 1.0-3.0% of aluminum sulfate and 0.6-1.0% of ferric chloride in percentage by mass.
The colorful particles in the silicone-acrylic emulsion cannot be effectively protected, so that the stability of the whole colorful coating is poor, and the colorful particles can be subjected to a bleeding phenomenon after standing for 1-4 hours and cannot be stored for a long time.
Detailed description of the preferred embodiment
In the technical scheme, a protective emulsion composed of 0.12-0.30% by mass of hydroxyethyl methylcellulose and 0.5-1.0% by mass of sodium pyrophosphate mixed solution is mixed and added into the silicone-acrylic emulsion.
The viscosity of the silicone-acrylic emulsion can be effectively improved by setting the components of the protective emulsion, so that the colorful particles in the silicone-acrylic emulsion are stably kept in a suspended state, and the phenomena of mixing and distortion of the color of the paint after spraying due to the floating or sinking of the colorful particles are avoided.
Detailed description of the invention
In the technical scheme, a protective emulsion composed of 0.30-0.50% of hydroxyethyl methyl cellulose and 1.0-3.0% of sodium pyrophosphate mixed solution by mass percent is mixed and added into the silicone-acrylic emulsion.
Although the viscosity difference between the silicone-acrylic emulsion and the colorful particles is improved, the colorful particles can be stably and effectively suspended in the silicone-acrylic emulsion, the whole stability of the colorful coating is obviously reduced, the colorful particles can be subjected to a bleeding phenomenon after standing for 3-5 hours, and the stability and the reliability are poor.
In the technical scheme, the addition of the protective emulsion needs to continuously add a small amount of silicone-acrylic emulsion under the condition of 1200 r/min-1500 r/min, and the silicone-acrylic emulsion is continuously stirred for 10-15 min after the protective emulsion is added.
The addition mode of the protective emulsion is set because hydroxyethyl methyl cellulose is easy to agglomerate, and the flocculent complex precipitation in the silicone-acrylic emulsion can be effectively prevented by adopting a high-speed stirring mode.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The silicone-acrylic emulsion for the multicolor paint is characterized by being prepared by fully mixing a pre-emulsion A and a pre-emulsion B according to the following mass percent:
the pre-emulsion A comprises: 10 to 15 percent of methyl methacrylate, 1.8 to 2.2 percent of isooctyl acrylate, 12 to 16 percent of n-butyl acrylate, 0.2 to 0.6 percent of methacrylic acid, 3 to 5 percent of hydroxyethyl methacrylate, a certain amount of gamma-methacryloxypropyl triisopropoxysilane, 22 to 33 percent of deionized water and 2 to 8 percent of emulsifier;
the pre-emulsion B comprises: the rest of emulsifier, 46-53% deionized water and a small amount of sodium bicarbonate.
2. The preparation method of the silicone-acrylate emulsion for the multicolor paint is characterized by comprising the following preparation processes:
step 1, uniformly mixing the raw materials for preparing the silicone-acrylic emulsion in a three-necked bottle, adding a part of emulsifier and 22-33% of deionized water, and stirring and mixing for 30 minutes at the speed of 800r/min to prepare a pre-emulsion A;
step 2, adding the rest part of emulsifier, 46-53% of deionized water and sodium bicarbonate into a four-necked bottle provided with a constant pressure dropping funnel, a thermometer and a stirrer, and uniformly stirring for 15 minutes at a speed of 100-200 r/min in a water bath kettle at (85 +/-1) DEG C to prepare a pre-emulsion B;
step 3, pouring the pre-emulsion A into a constant-pressure dropping funnel, beginning to dropwise add the pre-emulsion A into the pre-emulsion B, ensuring that the pre-emulsion A is completely dropwise added within about 4 hours, and then keeping the mixed emulsion of the pre-emulsion A and the pre-emulsion B at the water bath temperature of 85 ℃ for 1 hour;
and 4, adjusting the temperature of the mixed emulsion to 75 ℃, dropwise adding an initiator aqueous solution for 1 hour, keeping the temperature for 30min, cooling to room temperature, neutralizing the pH value of the mixed solution to 8 by using a neutralizing agent, and filtering to obtain the silicone-acrylic emulsion.
3. The method for preparing silicone-acrylic emulsion for multicolor paint according to claim 1, characterized in that: the neutralizer is a mixed solution consisting of 0.5-1.0% of aluminum sulfate and 0.5% of ferric chloride in percentage by mass.
4. The method for preparing silicone-acrylic emulsion for multicolor paint according to claim 1, characterized in that: the silicone acrylic emulsion is mixed with a protective emulsion which is composed of 0.12-0.30 percent of hydroxyethyl methyl cellulose and 0.5-1.0 percent of sodium pyrophosphate mixed solution by mass percent.
5. The method for preparing silicone-acrylic emulsion for multicolor paint as claimed in claim 4, characterized in that: the addition of the protective emulsion requires that a small amount of silicone-acrylic emulsion is continuously added under the condition of 1200 r/min-1500 r/min, and the silicone-acrylic emulsion is continuously stirred for 10-15 min after the protective emulsion is added.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390273.0A CN111116820A (en) | 2019-12-30 | 2019-12-30 | Silicone-acrylic emulsion for multicolor paint and preparation method thereof |
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| CN201911390273.0A CN111116820A (en) | 2019-12-30 | 2019-12-30 | Silicone-acrylic emulsion for multicolor paint and preparation method thereof |
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| CN111116820A true CN111116820A (en) | 2020-05-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113801263A (en) * | 2021-09-22 | 2021-12-17 | 烟台宜彬新材料科技有限公司 | Silicone-acrylic emulsion for base paint for multicolor paint and preparation method thereof |
| CN115785752A (en) * | 2022-12-06 | 2023-03-14 | 福建省天泽环保科技有限公司 | Silicone-acrylic emulsion for multicolor paint and preparation method thereof |
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| CN105949374A (en) * | 2016-07-02 | 2016-09-21 | 安徽中恩化工有限公司 | Preparation method of modified silicone-acrylic water-in-water emulsion for multicolor paint |
| CN106279503A (en) * | 2016-08-05 | 2017-01-04 | 江苏紫石化工科技有限公司 | A kind of colorful silicone acrylic emulsion and preparation method thereof |
| CN106632816A (en) * | 2016-10-21 | 2017-05-10 | 中山市巴德富化工科技有限公司 | Colored continuous-phase silicone-acrylic emulsion reactable with protective glue and preparation method thereof |
| CN107163761A (en) * | 2017-05-19 | 2017-09-15 | 佛山市顺德区巴德富实业有限公司 | A kind of colorful base paint emulsion of excellent performance and preparation method thereof |
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2019
- 2019-12-30 CN CN201911390273.0A patent/CN111116820A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105949374A (en) * | 2016-07-02 | 2016-09-21 | 安徽中恩化工有限公司 | Preparation method of modified silicone-acrylic water-in-water emulsion for multicolor paint |
| CN106279503A (en) * | 2016-08-05 | 2017-01-04 | 江苏紫石化工科技有限公司 | A kind of colorful silicone acrylic emulsion and preparation method thereof |
| CN106632816A (en) * | 2016-10-21 | 2017-05-10 | 中山市巴德富化工科技有限公司 | Colored continuous-phase silicone-acrylic emulsion reactable with protective glue and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113801263A (en) * | 2021-09-22 | 2021-12-17 | 烟台宜彬新材料科技有限公司 | Silicone-acrylic emulsion for base paint for multicolor paint and preparation method thereof |
| CN115785752A (en) * | 2022-12-06 | 2023-03-14 | 福建省天泽环保科技有限公司 | Silicone-acrylic emulsion for multicolor paint and preparation method thereof |
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