CN112940584A - Production method of anti-flocculation coating - Google Patents
Production method of anti-flocculation coating Download PDFInfo
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- CN112940584A CN112940584A CN202110132937.4A CN202110132937A CN112940584A CN 112940584 A CN112940584 A CN 112940584A CN 202110132937 A CN202110132937 A CN 202110132937A CN 112940584 A CN112940584 A CN 112940584A
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Classifications
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a production method of an anti-flocculation coating, and relates to the technical field of coating production. The anti-flocculation coating comprises the following ingredients in parts by weight: 30-35 parts of acrylic resin, 20-25 parts of aromatic modified terpene resin, 35-40 parts of epoxy resin, 20-25 parts of vinyl chloride-vinyl acetate copolymer resin, 2.7-4.3 parts of dispersing agent, 80-95 parts of solvent, 3-4.5 parts of flatting agent, 4-5.5 parts of defoaming agent, 5-5.5 parts of flatting agent and 19.5-24.3 parts of deionized water. Polyethylene glycol, polyethylene oxide wax, vinyl distearamide and sodium hexametaphosphate are treated to form a dispersing agent, and polyethylene glycol, polyethylene oxide wax, vinyl distearamide and sodium hexametaphosphate are used as dispersing agents, so that base material particles in the coating are mutually exclusive, and meanwhile, a certain amount of base material particles are connected through a saturated adsorption layer adsorbed on the surface of the base material, so that the flocculation phenomenon is prevented, the flocculation prevention capability of the coating is effectively improved, and the coating is worthy of wide popularization.
Description
Technical Field
The invention relates to the technical field of paint production, in particular to a production method of an anti-flocculation paint.
Background
The coating is a paint which is traditionally named as paint in China, the coating is a continuous film which is coated on the surface of a protected or decorated object and can be firmly attached to the coated object, resin, oil or emulsion is usually taken as a main material, pigment and filler are added or not added, corresponding auxiliary agents are added, and viscous liquid is prepared by organic solvent or water.
In the coating production process at the present stage, the coating is easily influenced by the external environment to cause flocculation, so that the quality of coating production is directly influenced, and therefore, the flocculation of the coating is prevented from becoming a problem to be solved in the coating production process.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a production method of an anti-flocculation coating, which solves the problem that the coating is easy to flocculate.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an anti-flocculation coating comprises the following ingredients in parts by weight: 30-35 parts of acrylic resin, 20-25 parts of aromatic modified terpene resin, 35-40 parts of epoxy resin, 20-25 parts of vinyl chloride-vinyl acetate copolymer resin, 2.7-4.3 parts of dispersing agent, 80-95 parts of solvent, 3-4.5 parts of flatting agent, 4-5.5 parts of defoaming agent, 5-5.5 parts of flatting agent and 19.5-24.3 parts of deionized water.
Preferably, the dispersing agent comprises the following ingredients in parts by weight: 0.5 to 0.8 part of polyethylene glycol, 0.3 to 0.5 part of polyoxyethylene wax, 0.8 to 1.4 parts of vinyl bis stearamide and 1.1 to 1.6 parts of sodium hexametaphosphate.
Preferably, the preparation process of the dispersing agent comprises the following steps:
s1, grinding
Firstly, crushing polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate by using a grinder, and then filtering by using a 140-170 mesh screen;
s2. mixing
Sequentially adding powdered polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate into a high-speed stirring blade, then putting polyethylene glycol and deionized water into a high-speed stirrer, and fully stirring for 30-40 min at the rotating speed of 2600-2800 r/min;
s3, storage
And transferring the prepared dispersing agent into a constant temperature box for storage, wherein the set temperature of the constant temperature box is 25-27 ℃.
Preferably, the production method of the anti-flocculation coating comprises the following steps:
s1, pretreatment
Firstly, acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin are crushed by a grinder;
s2, stirring
Putting a proper amount of deionized water into a high-speed stirrer, stirring at a low speed of 1300-1600 r/min at normal temperature and normal pressure, simultaneously adding a solvent, a leveling agent, an antifoaming agent and a flatting agent in sequence, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 3700-3900 r/min for fully stirring for 10-13 min, after stirring and mixing uniformly, reducing the rotating speed of high-speed stirring blades, stirring at a low speed of 1300-1500 r/min, simultaneously slowly adding a mixture of acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin into the high-speed stirrer, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 3800-4000 r/min for fully stirring for 5-7 min, then reducing the rotating speed of the high-speed stirrer, stirring at a low speed of 1300-1600 r/min, simultaneously, adding the dispersing agent one by one, after the adding of the dispersing agent is finished, stirring at a high speed of 3800-4000 r/min by increasing the rotating speed of an impeller, and after stirring for 20-25 min, scraping off the coating at the barrel edge by a scraper to perform fineness detection;
s3. packaging
And filling the product with qualified fineness detection into a container to obtain the anti-flocculation coating.
(III) advantageous effects
The invention provides a production method of an anti-flocculation coating. The method has the following beneficial effects:
the polyethylene glycol, the polyethylene oxide wax, the vinyl distearamide and the sodium hexametaphosphate are treated to prepare the dispersing agent, wherein the polyethylene oxide wax and the resin have good compatibility and a good lubricating effect, and the vinyl distearamide and the aromatic hydrocarbon modified terpene resin in the base material are mutually soluble.
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 first embodiment is as follows:
the embodiment of the invention provides an anti-flocculation coating which comprises the following ingredients in parts by weight: 30 parts of acrylic resin, 20 parts of aromatic modified terpene resin, 35 parts of epoxy resin, 20 parts of vinyl chloride-vinyl acetate copolymer resin, 2.7 parts of dispersing agent, 80 parts of solvent, 3 parts of flatting agent, 4 parts of defoaming agent, 5 parts of flatting agent and 19.5 parts of deionized water.
The dispersing agent comprises the following ingredients in parts by weight: 0.5 part of polyethylene glycol, 0.3 part of polyethylene oxide wax, 0.8 part of vinyl bis stearamide and 1.1 parts of sodium hexametaphosphate.
The preparation process of the dispersing agent comprises the following steps:
s1, grinding
Firstly, crushing polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate by a grinder, and then filtering by a 140-mesh screen;
s2. mixing
Sequentially adding powder polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate into a high-speed stirring blade, then putting polyethylene glycol and deionized water into a high-speed stirrer, and fully stirring for 30min at the rotating speed of 2600 r/min;
s3, storage
And transferring the prepared dispersant into a constant temperature box for storage, wherein the set temperature of the constant temperature box is 25 ℃.
The production method of the anti-flocculation coating comprises the following steps:
s1, pretreatment
Firstly, acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin are crushed by a grinder;
s2, stirring
Putting a proper amount of deionized water into a high-speed stirrer, stirring at a low speed of 1300r/min at normal temperature and normal pressure, simultaneously adding a solvent, a flatting agent, a defoaming agent and a flatting agent in sequence, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 3700r/min, fully stirring for 10min, after stirring and mixing uniformly, reducing the rotating speed of a high-speed stirring blade, stirring at a low speed of 1300r/min, simultaneously slowly adding a mixture of acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin into the high-speed stirrer, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 3800r/min, fully stirring for 5min, then reducing the rotating speed of the high-speed stirrer, stirring at a low speed of 1300r/min, simultaneously adding the dispersing agent one by one, after the adding of the dispersing agent is finished, stirring at a high speed of 3800r/min by increasing the rotating speed of an impeller, and after stirring for 20min, scraping off the coating at the barrel edge by a scraper to perform fineness detection;
s3. packaging
And filling the product with qualified fineness detection into a container to obtain the anti-flocculation coating.
Example two:
the embodiment of the invention provides an anti-flocculation coating which comprises the following ingredients in parts by weight: 35 parts of acrylic resin, 25 parts of aromatic modified terpene resin, 40 parts of epoxy resin, 25 parts of vinyl chloride-vinyl acetate copolymer resin, 4.3 parts of dispersing agent, 95 parts of solvent, 4.5 parts of flatting agent, 5.5 parts of defoaming agent, 5.5 parts of flatting agent and 24.3 parts of deionized water.
The dispersing agent comprises the following ingredients in parts by weight: 0.8 part of polyethylene glycol, 0.5 part of polyethylene oxide wax, 1.4 parts of vinyl bis stearamide and 1.6 parts of sodium hexametaphosphate.
The preparation process of the dispersing agent comprises the following steps:
s1, grinding
Firstly, crushing polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate by a grinder, and then filtering by a 170-mesh screen;
s2. mixing
Sequentially adding powdered polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate into a high-speed stirring blade, then adding polyethylene glycol and deionized water into a high-speed stirrer, and fully stirring at the rotating speed of 2800r/min for 40 min;
s3, storage
And transferring the prepared dispersant into an incubator for storage, wherein the temperature of the incubator is set to be 27 ℃.
The production method of the anti-flocculation coating comprises the following steps:
s1, pretreatment
Firstly, acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin are crushed by a grinder;
s2, stirring
Putting a proper amount of deionized water into a high-speed stirrer, stirring at a low speed of 1600r/min at normal temperature and normal pressure, simultaneously adding a solvent, a leveling agent, a defoaming agent and a flatting agent in sequence, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 3900r/min, fully stirring for 13min, after stirring and mixing uniformly, reducing the rotating speed of a high-speed stirring blade, stirring at a low speed of 1500r/min, simultaneously slowly adding a mixture of acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin into the high-speed stirrer, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 4000r/min, fully stirring for 5-7 min, then reducing the rotating speed of the high-speed stirrer, stirring at a low speed of 1600r/min, simultaneously, adding the dispersing agent one by one, after the adding of the dispersing agent is finished, stirring at a high speed of 4000r/min by increasing the rotating speed of an impeller, and scraping off the coating at the barrel edge by a scraping blade for fineness detection after stirring for 5 min;
s3. packaging
And filling the product with qualified fineness detection into a container to obtain the anti-flocculation coating.
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 (4)
1. An anti-flocculation coating is characterized in that: the formula comprises the following ingredients in parts by weight: 30-35 parts of acrylic resin, 20-25 parts of aromatic modified terpene resin, 35-40 parts of epoxy resin, 20-25 parts of vinyl chloride-vinyl acetate copolymer resin, 2.7-4.3 parts of dispersing agent, 80-95 parts of solvent, 3-4.5 parts of flatting agent, 4-5.5 parts of defoaming agent, 5-5.5 parts of flatting agent and 19.5-24.3 parts of deionized water.
2. The deflocculating coating according to claim 1, wherein: the dispersing agent comprises the following ingredients in parts by weight: 0.5 to 0.8 part of polyethylene glycol, 0.3 to 0.5 part of polyoxyethylene wax, 0.8 to 1.4 parts of vinyl bis stearamide and 1.1 to 1.6 parts of sodium hexametaphosphate.
3. The deflocculating coating according to claim 2, wherein: the preparation process of the dispersing agent comprises the following steps:
s1, grinding
Firstly, crushing polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate by using a grinder, and then filtering by using a 140-170 mesh screen;
s2. mixing
Sequentially adding powdered polyoxyethylene wax, vinyl distearamide and sodium hexametaphosphate into a high-speed stirring blade, then putting polyethylene glycol and deionized water into a high-speed stirrer, and fully stirring for 30-40 min at the rotating speed of 2600-2800 r/min;
s3, storage
And transferring the prepared dispersing agent into a constant temperature box for storage, wherein the set temperature of the constant temperature box is 25-27 ℃.
4. A method of producing a deflocculating coating according to claims 1-2, wherein: the method comprises the following steps:
s1, pretreatment
Firstly, acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin are crushed by a grinder;
s2, stirring
Putting a proper amount of deionized water into a high-speed stirrer, stirring at a low speed of 1300-1600 r/min at normal temperature and normal pressure, simultaneously adding a solvent, a leveling agent, an antifoaming agent and a flatting agent in sequence, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 3700-3900 r/min for fully stirring for 10-13 min, after stirring and mixing uniformly, reducing the rotating speed of high-speed stirring blades, stirring at a low speed of 1300-1500 r/min, simultaneously slowly adding a mixture of acrylic resin, aromatic modified terpene resin, epoxy resin and vinyl chloride-vinyl acetate copolymer resin into the high-speed stirrer, then increasing the rotating speed of the high-speed stirrer, stirring at a high speed of 3800-4000 r/min for fully stirring for 5-7 min, then reducing the rotating speed of the high-speed stirrer, stirring at a low speed of 1300-1600 r/min, simultaneously, adding the dispersing agent one by one, after the adding of the dispersing agent is finished, stirring at a high speed of 3800-4000 r/min by increasing the rotating speed of an impeller, and after stirring for 20-25 min, scraping off the coating at the barrel edge by a scraper to perform fineness detection;
s3. packaging
And filling the product with qualified fineness detection into a container to obtain the anti-flocculation coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132937.4A CN112940584A (en) | 2021-02-01 | 2021-02-01 | Production method of anti-flocculation coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132937.4A CN112940584A (en) | 2021-02-01 | 2021-02-01 | Production method of anti-flocculation coating |
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|---|---|
| CN112940584A true CN112940584A (en) | 2021-06-11 |
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|---|---|---|---|
| CN202110132937.4A Pending CN112940584A (en) | 2021-02-01 | 2021-02-01 | Production method of anti-flocculation coating |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504661A (en) * | 2011-11-21 | 2012-06-20 | 沈阳化工大学科亚学院 | Nanometer heat isolation paint and preparation method thereof |
| CN104086762A (en) * | 2013-08-16 | 2014-10-08 | 立邦工业涂料(上海)有限公司 | Hyperbranched polyester resin pigment dispersant as well as preparation method thereof, color paste and application of color paste |
| CN111040555A (en) * | 2019-12-31 | 2020-04-21 | 合肥普庆新材料科技有限公司 | Galvanized coiled material colored fingerprint-resistant coating and preparation method thereof |
-
2021
- 2021-02-01 CN CN202110132937.4A patent/CN112940584A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504661A (en) * | 2011-11-21 | 2012-06-20 | 沈阳化工大学科亚学院 | Nanometer heat isolation paint and preparation method thereof |
| CN104086762A (en) * | 2013-08-16 | 2014-10-08 | 立邦工业涂料(上海)有限公司 | Hyperbranched polyester resin pigment dispersant as well as preparation method thereof, color paste and application of color paste |
| CN111040555A (en) * | 2019-12-31 | 2020-04-21 | 合肥普庆新材料科技有限公司 | Galvanized coiled material colored fingerprint-resistant coating and preparation method thereof |
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Application publication date: 20210611 |
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