CN113549393A - UV (ultraviolet) photocuring wear-resistant anticorrosive finish coat paint and preparation method thereof - Google Patents
UV (ultraviolet) photocuring wear-resistant anticorrosive finish coat paint and preparation method thereof Download PDFInfo
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- CN113549393A CN113549393A CN202110924789.XA CN202110924789A CN113549393A CN 113549393 A CN113549393 A CN 113549393A CN 202110924789 A CN202110924789 A CN 202110924789A CN 113549393 A CN113549393 A CN 113549393A
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- parts
- resistant
- wear
- finish coat
- photocuring
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D7/45—Anti-settling agents
-
- 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
- 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
Abstract
The invention discloses a UV photocuring wear-resistant anticorrosive finish coat and a preparation method thereof, wherein the UV photocuring wear-resistant anticorrosive finish coat comprises the following main raw materials in parts by weight: dipentaerythritol hexaacrylate, polyurethane acrylate, polyester acrylic resin, anti-settling agent fumed silica, pigment rutile type titanium dioxide, solvent propylene glycol monomethyl ether acetate and initiator diphenyl phosphine oxide, wherein the required additives comprise: the UV photocuring wear-resistant anticorrosive finish coat comprises a solvent, a pigment, an anti-settling agent, an auxiliary agent and an initiator, and the formula of the preparation method of the UV photocuring wear-resistant anticorrosive finish coat selects polyurethane acrylate to provide high reaction rate, adhesion, hardness, wear resistance and physical property, and simultaneously selects polyurethane acrylic resin containing a flexible chain structure to play a toughening role in a coating film and prevent the coating film from being too brittle; the polyurethane acrylate is selected to provide better adhesive force, the wetting dispersibility, the leveling property and the balanced hardness of the pigment, and the paint is low in cost, energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of photocuring finish paint, in particular to UV photocuring wear-resistant anticorrosive finish paint and a preparation method thereof.
Background
The photocuring finish paint is mainly a novel paint which is quickly crosslinked and cured to form a film under the irradiation of ultraviolet light, is approved by the world paint industry and most management organizations due to the characteristics of high-efficiency coating and curing and environmental friendliness, is continuously mature and innovative in technology and continuously develops the varieties of raw materials since the successful commercialization in the 60 th year of the 20 th century, is widely applied to various base materials such as woodware, paper, plastics, metals, ceramics and the like, and is developing towards the functionalization direction.
Because a common paint film surface is not wear-resistant and has poor corrosion resistance, a layer of UV finish paint is usually sprayed on the primer, and the common UV paint has the defects of high shrinkage, large stress, unbalanced hard toughness, poor adhesion, unreasonable structure, and the like, and can cause the defects of coating film falling, easy cracking, insufficient vibration wear resistance and the like after a certain time.
Therefore, the UV light-cured wear-resistant anticorrosive finish coat and the preparation method thereof are needed to be designed aiming at the problems.
Disclosure of Invention
The invention aims to provide a UV photocuring wear-resistant anticorrosive finish coat paint and a preparation method thereof, and aims to solve the problems that the existing general paint film surface in the background technology is not wear-resistant and poor in corrosion resistance, so that a layer of UV finish paint is usually sprayed on the primer, and the common UV paint has the defects of high shrinkage, large stress, unbalanced hard toughness, poor adhesion, unreasonable structure, possibility of causing coating film falling, easy cracking, insufficient vibration wear resistance and the like after a certain time.
In order to achieve the purpose, the invention provides the following technical scheme: the UV photocuring wear-resistant anticorrosive finish coat comprises the following main raw materials in parts by weight: 15-20 parts of dipentaerythritol hexaacrylate by weight; 15-28 parts by weight of urethane acrylate; 4-10 parts of polyester acrylic resin by weight; 2-4 parts by weight of anti-settling agent fumed silica; 1-2 parts by weight of pigment rutile type titanium dioxide; 5-8 parts by weight of propylene glycol monomethyl ether acetate serving as a solvent; 3-4 parts by weight of initiator diphenyl phosphine oxide;
the required additives are: solvent, pigment, anti-settling agent, auxiliary agent and initiator.
Preferably, the anti-settling agent is fumed silica, and has the characteristics of small particle size and large surface area, so that the anti-settling agent has good adsorption performance and has the functions of adsorption, anti-caking, heat insulation and the like.
Preferably, the pigment is rutile titanium dioxide, titanium dioxide is used as a coloring agent, the pigment is resistant to sunlight, does not crack or change color, has high elongation and is acid-base resistant under the irradiation of sunlight, and a certain amount of rutile products are added to enhance the ozone resistance and the ultraviolet resistance.
Preferably, the solvent is propylene glycol methyl ether acetate, is a low-toxicity high-grade industrial solvent with excellent performance, and has strong dissolving capacity on polar and non-polar substances.
Preferably, the preparation steps of the UV photocuring wear-resistant anticorrosive finish coat comprise:
step 1: weighing 15-20 parts of dipentaerythritol hexaacrylate, 15-28 parts of polyurethane acrylate, 4-10 parts of polyester acrylic resin and 2-4 parts of anti-settling agent according to a proportion, and putting into a reaction kettle for later use;
step 2: heating the raw materials in the reaction kettle in the step (1) to 65-75 ℃, and dispersing at a high speed of 790-800r/min for 20-25min to obtain mixed raw materials;
and step 3: taking 5-8 parts of solvent, 1-2 parts of pigment, 3-4 parts of initiator and auxiliary agent according to parts, adding the mixture into the mixed raw material obtained in the step (2), dispersing at a rotating speed of 1000r/min for 5min at a medium speed of 600-;
and 4, step 4: and (4) inspecting the UV photocuring wear-resistant anticorrosive finish paint obtained in the step (3), packaging the qualified UV photocuring wear-resistant anticorrosive finish paint into a storage barrel, storing in a dark sealed manner, and circulating the unqualified UV photocuring wear-resistant anticorrosive finish paint to the step (3) for re-blending.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts reasonable raw material proportion, so that the product quality is stable, the preparation is convenient, the polyurethane acrylate is selected, the high reaction rate, the adhesion, the hardness, the wear resistance and the physical property are provided, and meanwhile, the polyurethane acrylate resin containing a flexible chain structure can play a toughening role in the coating film and prevent the coating film from being too brittle; the polyurethane acrylate is selected to provide better adhesive force, the wetting dispersibility, the leveling property and the balanced hardness of the pigment, and the paint is low in cost, energy-saving and environment-friendly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 invention provides a technical scheme that:
example 1:
step 1: 16 parts of dipentaerythritol hexaacrylate, 18 parts of polyurethane acrylate, 6 parts of polyester acrylic resin and 2.5 parts of anti-settling agent are put into a reaction kettle for later use;
step 2: heating the raw materials in the reaction kettle in the step (1) to 70 ℃, and dispersing at a high speed of 800r/min for 20min to obtain mixed raw materials;
and step 3: taking 5 parts of solvent, 1 part of pigment, 3 parts of initiator and auxiliary agent according to parts, adding the solvent, the pigment, the initiator and the auxiliary agent into the mixed raw material obtained in the step (2), dispersing at a medium speed of 700r/min for 5min, and then dispersing at a low speed of 500r/min for 10min to obtain the UV photocuring wear-resistant anticorrosive finish coat;
and 4, step 4: and (4) inspecting the UV photocuring wear-resistant anticorrosive finish paint obtained in the step (3), packaging the qualified UV photocuring wear-resistant anticorrosive finish paint into a storage barrel, storing in a dark sealed manner, and circulating the unqualified UV photocuring wear-resistant anticorrosive finish paint to the step (3) for re-blending.
Example 2:
step 1: 18 parts of dipentaerythritol hexaacrylate, 24 parts of polyurethane acrylate, 7 parts of polyester acrylic resin and 3 parts of anti-settling agent are put into a reaction kettle for later use;
step 2: heating the raw materials in the reaction kettle in the step (1) to 70 ℃, and dispersing at a high speed of 795r/min for 20min to obtain mixed raw materials;
and step 3: taking 6 parts of solvent, 1.5 parts of pigment, 3 parts of initiator and auxiliary agent according to parts, adding into the mixed raw material obtained in the step (2), dispersing at a medium speed of 800r/min for 5min, and then dispersing at a low speed of 600r/min for 10min to obtain the UV photocuring wear-resistant anticorrosive finish coat;
and 4, step 4: and (4) inspecting the UV photocuring wear-resistant anticorrosive finish paint obtained in the step (3), packaging the qualified UV photocuring wear-resistant anticorrosive finish paint into a storage barrel, storing in a dark sealed manner, and circulating the unqualified UV photocuring wear-resistant anticorrosive finish paint to the step (3) for re-blending.
Example 3:
step 1: 15 parts of dipentaerythritol hexaacrylate, 15 parts of polyurethane acrylate, 4 parts of polyester acrylic resin and 2 parts of anti-settling agent are put into a reaction kettle for later use;
step 2: heating the raw materials in the reaction kettle in the step (1) to 65 ℃, and dispersing at a high speed for 20min at a rotating speed of 790r/min to obtain mixed raw materials;
and step 3: taking 5 parts of solvent, 1 part of pigment, 3 parts of initiator and auxiliary agent according to parts, adding the solvent, the pigment, the initiator and the auxiliary agent into the mixed raw material obtained in the step (2), dispersing at a rotating speed of 600r/min at a medium speed for 5min, and then dispersing at a rotating speed of 400r/min at a low speed for 10min to obtain the UV photocuring wear-resistant anticorrosive finish coat;
and 4, step 4: and (4) inspecting the UV photocuring wear-resistant anticorrosive finish paint obtained in the step (3), packaging the qualified UV photocuring wear-resistant anticorrosive finish paint into a storage barrel, storing in a dark sealed manner, and circulating the unqualified UV photocuring wear-resistant anticorrosive finish paint to the step (3) for re-blending.
Example 4:
step 1: putting 20 parts of dipentaerythritol hexaacrylate, 28 parts of polyurethane acrylate, 10 parts of polyester acrylic resin and 4 parts of anti-settling agent into a reaction kettle for later use;
step 2: heating the raw materials in the reaction kettle in the step (1) to 75 ℃, and dispersing at a high speed of 800r/min for 25min to obtain mixed raw materials;
and step 3: adding 8 parts of solvent, 2 parts of pigment, 4 parts of initiator and auxiliary agent into the mixed raw material obtained in the step (2), dispersing at a medium speed of 1000r/min for 5min, and then dispersing at a low speed of 700r/min for 10min to obtain the UV light-cured wear-resistant anticorrosive finish coat;
and 4, step 4: and (4) inspecting the UV photocuring wear-resistant anticorrosive finish paint obtained in the step (3), packaging the qualified UV photocuring wear-resistant anticorrosive finish paint into a storage barrel, storing in a dark sealed manner, and circulating the unqualified UV photocuring wear-resistant anticorrosive finish paint to the step (3) for re-blending.
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 UV photocuring wear-resistant anticorrosive finish coat is characterized in that: the UV photocuring wear-resistant anticorrosive finish coat comprises the following main raw materials in parts by weight: 15-20 parts of dipentaerythritol hexaacrylate by weight; 15-28 parts by weight of urethane acrylate; 4-10 parts of polyester acrylic resin by weight; 2-4 parts by weight of anti-settling agent fumed silica; 1-2 parts by weight of pigment rutile type titanium dioxide; 5-8 parts by weight of propylene glycol monomethyl ether acetate serving as a solvent; 3-4 parts by weight of initiator diphenyl phosphine oxide;
the required additives are: solvent, pigment, anti-settling agent, auxiliary agent and initiator.
2. The UV light-curable wear-resistant and corrosion-resistant finish coat according to claim 1, wherein: the anti-settling agent is fumed silica, has the characteristics of small particle size and large surface area, has good adsorption performance, and has the functions of adsorption, anti-caking, heat insulation and the like.
3. The UV light-curable wear-resistant and corrosion-resistant finish coat according to claim 1, wherein: the pigment is rutile titanium dioxide, titanium dioxide is used as a coloring agent, the pigment is resistant to sunlight, does not crack or change color, has high elongation and is acid-base resistant under the irradiation of sunlight, and a certain amount of rutile products are added to enhance the ozone resistance and the ultraviolet resistance.
4. The UV light-curable wear-resistant and corrosion-resistant finish coat according to claim 1, wherein: the solvent is propylene glycol methyl ether acetate, is a low-toxicity high-grade industrial solvent with excellent performance, and has strong dissolving capacity on polar and non-polar substances.
5. The UV light-curable wear-resistant and corrosion-resistant finish coat according to claim 1, wherein: the preparation steps of the UV photocuring wear-resistant anticorrosive finish coat comprise:
step 1: weighing 15-20 parts of dipentaerythritol hexaacrylate, 15-28 parts of polyurethane acrylate, 4-10 parts of polyester acrylic resin and 2-4 parts of anti-settling agent according to a proportion, and putting into a reaction kettle for later use;
step 2: heating the raw materials in the reaction kettle in the step (1) to 65-75 ℃, and dispersing at a high speed of 790-800r/min for 20-25min to obtain mixed raw materials;
and step 3: taking 5-8 parts of solvent, 1-2 parts of pigment, 3-4 parts of initiator and auxiliary agent according to parts, adding the mixture into the mixed raw material obtained in the step (2), dispersing at a rotating speed of 1000r/min for 5min at a medium speed of 600-;
and 4, step 4: and (4) inspecting the UV photocuring wear-resistant anticorrosive finish paint obtained in the step (3), packaging the qualified UV photocuring wear-resistant anticorrosive finish paint into a storage barrel, storing in a dark sealed manner, and circulating the unqualified UV photocuring wear-resistant anticorrosive finish paint to the step (3) for re-blending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924789.XA CN113549393A (en) | 2021-08-12 | 2021-08-12 | UV (ultraviolet) photocuring wear-resistant anticorrosive finish coat paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924789.XA CN113549393A (en) | 2021-08-12 | 2021-08-12 | UV (ultraviolet) photocuring wear-resistant anticorrosive finish coat paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN113549393A true CN113549393A (en) | 2021-10-26 |
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| CN202110924789.XA Pending CN113549393A (en) | 2021-08-12 | 2021-08-12 | UV (ultraviolet) photocuring wear-resistant anticorrosive finish coat paint and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220084A (en) * | 2010-04-14 | 2011-10-19 | 比亚迪股份有限公司 | Photocureable coating and curing method thereof |
| CN111849283A (en) * | 2020-07-28 | 2020-10-30 | 上海蓝宝涂料有限公司 | Vacuum plating UV (ultraviolet) photocuring finish paint and preparation method thereof |
| CN111892862A (en) * | 2020-07-28 | 2020-11-06 | 上海蓝宝涂料有限公司 | Finishing varnish and preparation method thereof |
-
2021
- 2021-08-12 CN CN202110924789.XA patent/CN113549393A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220084A (en) * | 2010-04-14 | 2011-10-19 | 比亚迪股份有限公司 | Photocureable coating and curing method thereof |
| CN111849283A (en) * | 2020-07-28 | 2020-10-30 | 上海蓝宝涂料有限公司 | Vacuum plating UV (ultraviolet) photocuring finish paint and preparation method thereof |
| CN111892862A (en) * | 2020-07-28 | 2020-11-06 | 上海蓝宝涂料有限公司 | Finishing varnish and preparation method thereof |
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Application publication date: 20211026 |