CN111286265A - Wear-resistant ultraviolet-curing magnetic roller coating and preparation method thereof - Google Patents
Wear-resistant ultraviolet-curing magnetic roller coating and preparation method thereof Download PDFInfo
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- CN111286265A CN111286265A CN202010324504.4A CN202010324504A CN111286265A CN 111286265 A CN111286265 A CN 111286265A CN 202010324504 A CN202010324504 A CN 202010324504A CN 111286265 A CN111286265 A CN 111286265A
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/47—Levelling agents
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- 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
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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)
- Paints Or Removers (AREA)
Abstract
The invention discloses a coating, and particularly relates to a wear-resistant ultraviolet curing magnetic roller coating and a preparation method thereof. The coating comprises the following raw materials in parts by weight: 8-18 parts of graphene, 0.2-1.2 parts of methyl silicone oil, 2-12 parts of organic silicon resin, 0.2-1 part of organic modified polysiloxane acrylic flatting agent, 0.2-2.5 parts of fumed silica, 10-32 parts of polyurethane acrylate, 0.01-15 parts of hexanediol diacrylate, 1-8 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2-16 parts of inositol hexaphosphate, 0.25-2.5 parts of titanate coupling agent, 5-15 parts of alicyclic epoxy resin and 10-18 parts of zinc powder. The coating can conduct electricity after being cured by ultraviolet, and has enough hardness, excellent wear resistance and tensile strength.
Description
Technical Field
The invention relates to the field of coatings, and particularly relates to a wear-resistant ultraviolet curing magnetic roller coating and a preparation method thereof.
Background
The magnetic roller has various degrees of influence on the blackness, ghost, bottom ash, periodic white stripe and page yield, etc. of the printed product. The main structure of the magnetic roller comprises a magnetic roller sleeve, a magnetic core conductive bracket and a magnetic core shaft sleeve. The magnetic roller surface coating is thin, the wear resistance of the coating directly influences the printing life, if the magnetic roller coating is not wear-resistant, printing water ripples appear after a half period, the blackness of a page is obviously reduced on the specific surface, and the phenomenon of uneven page with large gray scale is very obvious.
The surface of the existing magnetic roller sleeve is coated with wear-resistant ultraviolet curing coating, so that the surface can be sprayed at one time, the ultraviolet irradiation curing is fast, and the surface is not required to be baked by a furnace. When the abrasion-resistant ultraviolet curing coating is used, the hardness of the coating film can be improved by using a polyurethane acrylate polymer with high functionality, but the high-functionality polymer of the polyacrylate has low tensile strength, so that the brittleness of the coating film is increased, and the abrasion of the coating layer is easy to occur.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an abrasion-resistant ultraviolet curing magnetic roller coating. Meanwhile, the invention also provides a preparation method of the wear-resistant ultraviolet curing magnetic roller coating.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a wear-resistant ultraviolet curing magnetic roller coating which is prepared from the following raw materials in parts by weight: 8-18 parts of graphene, 0.2-1.2 parts of methyl silicone oil, 2-12 parts of organic silicon resin, 0.2-1 part of organic modified polysiloxane acrylic flatting agent, 0.2-2.5 parts of fumed silica, 10-32 parts of urethane acrylate, 0.01-15 parts of hexanediol diacrylate, 1-8 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2-16 parts of inositol hexaphosphate, 0.25-2.5 parts of titanate coupling agent, 5-15 parts of alicyclic epoxy resin and 10-18 parts of zinc powder.
The wear-resistant ultraviolet curing magnetic roller coating is preferably prepared from the following raw materials in parts by weight: 12-14 parts of graphene, 0.4-0.8 part of methyl silicone oil, 4-8 parts of organic silicon resin, 0.5-0.8 part of organic modified polysiloxane acrylic flatting agent, 0.8-2 parts of fumed silica, 15-25 parts of urethane acrylate, 0.1-10 parts of hexanediol diacrylate, 3-6 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 4-10 parts of inositol hexaphosphate, 0.75-2 parts of titanate coupling agent, 8-12 parts of alicyclic epoxy resin and 12-16 parts of zinc powder.
The diameter of the fumed silica is 0.1-1 μm.
The functionality of the urethane acrylate is 6.
The preparation method of the wear-resistant ultraviolet curing magnetic roller coating comprises the following steps:
1) accurately weighing each component according to the formula amount for later use;
2) mixing urethane acrylate, hexanediol diacrylate and 2-hydroxy-2-methyl-1-phenyl-1-acetone, firstly stirring at a low speed of 800-;
3) mixing the organic silicon resin, the alicyclic epoxy resin and the phytic acid ester for 10-30min at the rotating speed of 800-1200rpm to obtain a mixture;
4) mixing graphene, zinc powder, fumed silica, a titanate coupling agent, methyl silicone oil and an organic modified polysiloxane acrylic flatting agent at the rotating speed of 800-1200rpm for 10-30min to obtain a mixture;
5) mixing the mixture prepared in the steps 2) -4) for 10-30min at the rotating speed of 800-.
Compared with the prior art, the invention has the following outstanding advantages and beneficial effects:
1) by adding the organic silicon resin, the fumed silica with the diameter of 0.1-1 mu m and the high-functionality polyurethane acrylate with the functionality of 6, the hardness and the wear resistance of the coating are improved;
2) the tensile strength of the coating is improved by adding the alicyclic epoxy resin, so that the adverse effect of high-functionality polyurethane acrylate on the toughness of the coating is overcome, and the wear resistance of the coating is improved;
3) the leveling property of the coating is improved by adding the organic modified polysiloxane acrylic leveling agent, so that the uniformity of the roughness of the coating is enhanced, the defect that the coating is easy to generate a shrinkage cavity shape due to the aggregation of surface particles is reduced, and the wear resistance of the coating is further enhanced.
Detailed Description
In order that the invention may be more readily understood, reference will now be made to the following examples. It is to be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Example 1
13 parts of graphene, 0.6 part of methyl silicone oil, 6 parts of organic silicon resin, 0.7 part of organic modified polysiloxane acrylic flatting agent, 1.4 parts of fumed silica (the diameter is 0.1-1 mu m), 20 parts of urethane acrylate (the functionality is 6), 5 parts of hexanediol diacrylate, 4.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 7 parts of inositol hexaphosphate, 1.4 parts of titanate coupling agent, 10 parts of alicyclic epoxy resin and 14 parts of zinc powder.
The preparation steps of the coating are as follows:
1) weighing: accurately weighing each component according to the formula amount for later use;
2) mixing urethane acrylate, hexanediol diacrylate and 2-hydroxy-2-methyl-1-phenyl-1-acetone, firstly stirring at a low speed of 1000rpm for 10min, and then adjusting the rotating speed to 2500rpm to disperse for 30min to obtain a mixture;
3) mixing organic silicon resin, alicyclic epoxy resin and phytic acid ester for 20min at the rotating speed of 1000rpm to obtain a mixture;
4) mixing graphene, zinc powder, fumed silica, a titanate coupling agent, methyl silicone oil and an organic modified polysiloxane acrylic flatting agent at the rotating speed of 1000rpm for 20min to obtain a mixture;
5) mixing the mixture prepared in the steps 2) -4) at the rotating speed of 1000rpm for 20min, and then adjusting the rotating speed to 2500rpm for dispersing for 15min to obtain the nano-silver/nano.
Example 2
12 parts of graphene, 0.8 part of methyl silicone oil, 4 parts of organic silicon resin, 0.8 part of organic modified polysiloxane acrylic flatting agent, 0.8 part of fumed silica (the diameter is 0.1-1 mu m), 25 parts of urethane acrylate (the functionality is 6), 0.1 part of hexanediol diacrylate, 6 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 4 parts of inositol hexaphosphate, 2 parts of titanate coupling agent, 8 parts of alicyclic epoxy resin and 16 parts of zinc powder.
The procedure for the preparation of the above-mentioned coating was the same as in example 1.
Example 3
14 parts of graphene, 0.4 part of methyl silicone oil, 8 parts of organic silicon resin, 0.5 part of organic modified polysiloxane acrylic flatting agent, 2 parts of fumed silica (the diameter is 0.1-1 mu m), 15 parts of urethane acrylate (the functionality is 6), 10 parts of hexanediol diacrylate, 3 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 10 parts of inositol hexaphosphate, 0.75 part of titanate coupling agent, 12 parts of alicyclic epoxy resin and 12 parts of zinc powder.
The procedure for the preparation of the above-mentioned coating was the same as in example 1.
Example 4
8 parts of graphene, 1.2 parts of methyl silicone oil, 2 parts of organic silicon resin, 1 part of organic modified polysiloxane acrylic flatting agent, 0.2 part of fumed silica (the diameter is 0.1-1 mu m), 32 parts of urethane acrylate (the functionality is 6), 0.01 part of hexanediol diacrylate, 8 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2 parts of inositol hexaphosphate, 2.5 parts of titanate coupling agent, 5 parts of alicyclic epoxy resin and 18 parts of zinc powder.
The procedure for the preparation of the above-mentioned coating was the same as in example 1.
Example 5
18 parts of graphene, 0.2 part of methyl silicone oil, 12 parts of organic silicon resin, 0.2 part of organic modified polysiloxane acrylic flatting agent, 2.5 parts of fumed silica (the diameter is 0.1-1 mu m), 10 parts of urethane acrylate (the functionality is 6), 15 parts of hexanediol diacrylate, 1 part of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 16 parts of inositol hexaphosphate, 0.25 part of titanate coupling agent, 15 parts of alicyclic epoxy resin and 10 parts of zinc powder.
The procedure for the preparation of the above-mentioned coating was the same as in example 1.
Comparative example 1
13 parts of graphene, 0.6 part of methyl silicone oil, 0.7 part of organic modified polysiloxane acrylic flatting agent, 20 parts of urethane acrylate (the functionality is 1), 5 parts of hexanediol diacrylate, 4.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 7 parts of inositol hexaphosphate, 1.4 parts of titanate coupling agent, 10 parts of alicyclic epoxy resin and 14 parts of zinc powder.
The procedure for the preparation of the above-mentioned coating was the same as in example 1.
Comparative example 2
13 parts of graphene, 0.6 part of methyl silicone oil, 6 parts of organic silicon resin, 0.7 part of organic modified polysiloxane acrylic flatting agent, 1.4 parts of fumed silica (the diameter is 0.1-1 mu m), 20 parts of urethane acrylate (the functionality is 6), 5 parts of hexanediol diacrylate, 4.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 7 parts of inositol hexaphosphate, 1.4 parts of titanate coupling agent and 14 parts of zinc powder.
The procedure for the preparation of the above-mentioned coating was the same as in example 1.
Comparative example 3
13 parts of graphene, 0.6 part of methyl silicone oil, 6 parts of organic silicon resin, 1.4 parts of fumed silica (the diameter is 0.1-1 mu m), 20 parts of urethane acrylate (the functionality is 6), 5 parts of hexanediol diacrylate, 4.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 7 parts of inositol hexaphosphate, 1.4 parts of titanate coupling agent, 10 parts of alicyclic epoxy resin and 14 parts of zinc powder.
The procedure for the preparation of the above-mentioned coating was the same as in example 1.
Test example 1
The coatings prepared in examples 1-5 and comparative examples 1-3 are respectively coated on a magnetic roller base material of a magnetic separator by using the coating materials of the examples and the comparative examples, and are cured to form a film under the irradiation of a 1000w ultraviolet lamp, and the coating thickness is kept consistent. The abrasion resistance, hardness and tensile strength of the coating were measured by the measurement methods of GB/T1768 determination of abrasion resistance of paint film, GB/T6739 determination of hardness of paint film by color paint and varnish pencil method, and GB/T6742 determination of bending test (cylindrical axis) of color paint and varnish, respectively, and the results are shown in the following tables.
TABLE 1 results of the measurements of abrasion resistance, hardness and tensile strength of the coating
The results in Table 1 show that the coatings obtained in examples 1-5 have a significant increase in abrasion resistance, hardness and tensile strength compared to comparative examples 1-3. The coating obtained by the invention has enough hardness, better wear resistance, excellent tensile strength and prolonged service life of the magnetic roller as a whole.
Claims (5)
1. The wear-resistant ultraviolet curing magnetic roller coating is characterized in that: the composition comprises the following raw materials in parts by weight:
8-18 parts of graphene, 0.2-1.2 parts of methyl silicone oil, 2-12 parts of organic silicon resin, 0.2-1 part of organic modified polysiloxane acrylic flatting agent, 0.2-2.5 parts of fumed silica, 10-32 parts of urethane acrylate, 0.01-15 parts of hexanediol diacrylate, 1-8 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2-16 parts of inositol hexaphosphate, 0.25-2.5 parts of titanate coupling agent, 5-15 parts of alicyclic epoxy resin and 10-18 parts of zinc powder.
2. The wear-resistant ultraviolet-curable magnetic roller coating material of claim 1, wherein: the composition comprises the following raw materials in parts by weight: 12-14 parts of graphene, 0.4-0.8 part of methyl silicone oil, 4-8 parts of organic silicon resin, 0.5-0.8 part of organic modified polysiloxane acrylic flatting agent, 0.8-2 parts of fumed silica, 15-25 parts of urethane acrylate, 0.1-10 parts of hexanediol diacrylate, 3-6 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 4-10 parts of inositol hexaphosphate, 0.75-2 parts of titanate coupling agent, 8-12 parts of alicyclic epoxy resin and 12-16 parts of zinc powder.
3. A wear-resistant uv-curable magnetic roller coating according to claim 1 or 2, characterized in that: the diameter of the fumed silica is 0.1-1 μm.
4. A wear-resistant uv-curable magnetic roller coating according to claim 1 or 2, characterized in that: the functionality of the urethane acrylate is 6.
5. A wear resistant UV curable magnetic roller coating according to claims 1-4, characterized by being prepared by the steps of:
1) accurately weighing each component according to the formula amount for later use;
2) mixing urethane acrylate, hexanediol diacrylate and 2-hydroxy-2-methyl-1-phenyl-1-acetone, firstly stirring at a low speed of 800-;
3) mixing the organic silicon resin, the alicyclic epoxy resin and the phytic acid ester for 10-30min at the rotating speed of 800-1200rpm to obtain a mixture;
4) mixing graphene, zinc powder, fumed silica, a titanate coupling agent, methyl silicone oil and an organic modified polysiloxane acrylic flatting agent at the rotating speed of 800-1200rpm for 10-30min to obtain a mixture;
5) mixing the mixture prepared in the steps 2) -4) for 10-30min at the rotating speed of 800-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324504.4A CN111286265A (en) | 2020-04-23 | 2020-04-23 | Wear-resistant ultraviolet-curing magnetic roller coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010324504.4A CN111286265A (en) | 2020-04-23 | 2020-04-23 | Wear-resistant ultraviolet-curing magnetic roller coating and preparation method thereof |
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| CN111286265A true CN111286265A (en) | 2020-06-16 |
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| CN202010324504.4A Withdrawn CN111286265A (en) | 2020-04-23 | 2020-04-23 | Wear-resistant ultraviolet-curing magnetic roller coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114672241A (en) * | 2022-03-02 | 2022-06-28 | 宁波辰磁电子科技有限公司 | Coating for magnetic roller surface of magnetic separator |
-
2020
- 2020-04-23 CN CN202010324504.4A patent/CN111286265A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114672241A (en) * | 2022-03-02 | 2022-06-28 | 宁波辰磁电子科技有限公司 | Coating for magnetic roller surface of magnetic separator |
| CN114672241B (en) * | 2022-03-02 | 2022-10-04 | 宁波辰磁电子科技有限公司 | Coating for surface of magnetic roller of magnetic separator |
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