CN113212040A - Multifunctional teaching blackboard - Google Patents
Multifunctional teaching blackboard Download PDFInfo
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- CN113212040A CN113212040A CN202110182723.8A CN202110182723A CN113212040A CN 113212040 A CN113212040 A CN 113212040A CN 202110182723 A CN202110182723 A CN 202110182723A CN 113212040 A CN113212040 A CN 113212040A
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- 239000000463 material Substances 0.000 claims abstract description 47
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims abstract description 35
- 239000000049 pigment Substances 0.000 claims abstract description 13
- 239000011247 coating layer Substances 0.000 claims abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 12
- 239000004814 polyurethane Substances 0.000 claims abstract description 12
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract description 11
- 238000004040 coloring Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 11
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims abstract description 10
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 10
- 229960004217 benzyl alcohol Drugs 0.000 claims abstract description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 9
- -1 polysiloxane Polymers 0.000 claims abstract description 9
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 8
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012790 adhesive layer Substances 0.000 claims description 19
- OLPZCIDHOZATMA-UHFFFAOYSA-N 2,2-dioxooxathiiran-3-one Chemical compound O=C1OS1(=O)=O OLPZCIDHOZATMA-UHFFFAOYSA-N 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229920006332 epoxy adhesive Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 238000007639 printing Methods 0.000 abstract description 6
- 230000005764 inhibitory process Effects 0.000 abstract description 5
- 238000007790 scraping Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/10—Writing surfaces thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
-
- 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
- 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
- C08L2312/00—Crosslinking
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Drawing Aids And Blackboards (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a multifunctional teaching blackboard, wherein a matte coating layer is obtained by coating materials under the irradiation of ultraviolet light, and the coating materials comprise the following components in parts by weight: aliphatic polyurethane triacrylate, 1,6 hexanediol diacrylate, ethylene glycol diglycidyl ether, alkyl modified polysiloxane, 2-methyl methacrylate, hydroxytoluene butyl ester and organic thermosetting polymethyl urea resin; the coating material is obtained by the following steps: adding the sulfonyl acyloxy ketone, the 2-hydroxy-2-methyl-1-phenyl-1-acetone, the hydroxytoluene butyl ester, the organic thermosetting polymethyl urea resin, the 4-acryloyl morpholine, the 2-methyl methacrylate and the coloring pigment into the mixture 1 to obtain a mixture 2. The multifunctional teaching blackboard disclosed by the invention can be used for smoothly writing and resisting scraping, is high in curing speed, effectively avoids the phenomenon of oxygen inhibition of a coating material, is high in printing precision and improves the yield of products.
Description
Technical Field
The invention relates to the field of teaching equipment, in particular to a multifunctional teaching blackboard.
Background
The preparation method of the blackboard on the existing market is that toughened glass on the surface is etched by strong acid, black silk-screen printing treatment is carried out on the non-etched surface, and meanwhile, a transparent explosion-proof film is attached behind the silk-screen printing layer to prepare the blackboard. The pollution of chemical etching is strong, the degree of surface etching is not easy to control, the writing effect is not good due to the fact that etching is light, and after writing is seriously performed, a trace is not easy to wipe clean; in addition, a plurality of procedures such as glass etching, silk screen printing, explosion-proof film pasting and the like are required, so that the cost is high and the process is complicated.
The ultraviolet curing technology refers to an ink-jet technology for curing a monomer, an oligomer or a polymer matrix under the induction of ultraviolet light, and the technology has wide application in the prior printing field. However, the conventional ultraviolet curing system has a serious phenomenon of oxygen inhibition, which is a phenomenon in which radicals are consumed in the presence of oxygen in a radical photopolymerization system to affect a polymerization reaction. When a photopolymerization system is cured in air, oxygen in the air can make the photocured surface incompletely cured and sticky, and the overall performance of the photocured material is seriously affected.
Disclosure of Invention
The invention aims to provide the multifunctional teaching blackboard which effectively avoids the oxygen inhibition phenomenon of a coating material, has high printing precision, improves the product yield, and has high curing speed and high curing hardness of the coating material.
In order to achieve the purpose, the invention adopts the technical scheme that: a multifunctional teaching blackboard comprises a support plate and a writing film, wherein the writing film is attached to the surface of one side of the support plate, the writing film further comprises a base material and a matte coating layer coated on one surface of the base material, and the other surface of the base material is connected with the support plate in an adhesive manner through an adhesive layer;
the matte coating layer is obtained by coating materials under ultraviolet irradiation, and the coating materials comprise the following components in parts by weight: 24 parts of aliphatic polyurethane triacrylate, 48 parts of 1,6 hexanediol diacrylate, 13 parts of ethylene glycol diglycidyl ether, 4.5 parts of alkyl modified polysiloxane, 1.3 parts of 2-methyl methacrylate, 1.2 parts of hydroxytoluene butyl ester, 2 parts of organic thermosetting polymethyl urea resin, 0.9 part of 4-acryloyl morpholine, 4 parts of sulfonyloxy ketone, 8.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone and 6 parts of coloring pigment;
the coating material is obtained by the following steps:
adding 24 parts of aliphatic polyurethane triacrylate, 48 parts of 1,6 hexanediol diacrylate, 13 parts of ethylene glycol diglycidyl ether and 4.5 parts of alkyl modified polysiloxane into a stirring dispersion machine, and mixing at a stirring speed of 400-600 r/min for 20min to obtain a mixture 1;
step two, adding 4 parts of sulfonyloxy ketone, 8.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1.2 parts of hydroxytoluene butyl ester, 2 parts of organic thermosetting polymethyl urea resin, 0.9 part of 4-acryloyl morpholine, 1.3 parts of 2-methyl methacrylate and a coloring pigment into the mixture 1 obtained in the step one, and continuously mixing for 10min at a stirring speed of 350-450 r/min to obtain a mixture 2;
and step three, grinding the material 2 obtained in the step two until the particle size is 300-350 nm, and obtaining the coating material.
The technical scheme of further improvement in the technical scheme is as follows:
1. in the scheme, the particle size of the coloring pigment is 10-15 mu m.
2. In the above scheme, the adhesive layer is an acrylic polyester adhesive layer, an organic silicon adhesive layer, a polyurethane adhesive layer, an epoxy adhesive layer, an AB adhesive layer, or other adhesive systems.
3. In the scheme, the supporting plate is a glass layer or a metal plate layer or a plastic composite plate layer.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages and effects:
1. the multifunctional teaching blackboard adopts the matte coating layer to form the writing surface, can smoothly write and resist scraping, and simultaneously replaces the process of etching the glass surface by strong acid, thereby being more environment-friendly; in addition, the writing film is directly installed and fixed with the supporting frame, an explosion-proof film and the like do not need to be attached, the process is saved, and meanwhile the stability and the safety of the structure are guaranteed.
2. According to the multifunctional teaching blackboard disclosed by the invention, 1-5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone and 8-10 parts of sulfonyloxy ketone are added into a coating material system, so that the crosslinking rate of ethylene glycol diglycidyl ether, 1,6 hexanediol diacrylate and aliphatic polyurethane triacrylate in the coating material is favorably improved, the curing rate is high, the oxygen inhibition phenomenon of the coating material is effectively avoided, the printing precision is high, and the product yield is improved.
3. According to the multifunctional teaching blackboard, 0.8-1.2 parts of hydroxytoluene butyl ester and 2-4 parts of organic thermosetting polymethyl urea resin are added into a coating material system, so that the curing hardness and scratch resistance of the coating material are improved, the viscosity and surface tension of the coating material containing 6-8 parts of coloring pigment are reduced, and the stability is good.
Drawings
FIG. 1 is a schematic structural view of a multifunctional teaching blackboard according to the present invention;
fig. 2 is a partial schematic view of fig. 1.
In the above drawings: 1. a substrate; 2. a matte coating layer; 3. an adhesive layer; 4. a support plate; 5. a writing film.
Detailed Description
The invention is further described below with reference to the following examples:
example (b): a multifunctional teaching blackboard comprises a support plate 4 and a writing film 5, wherein the writing film 5 is attached to the surface of one side of the support plate 4, the writing film 5 further comprises a substrate 1 and a matte coating layer 2 coated on one surface of the substrate 1, and the other surface of the substrate 1 is connected with the support plate 4 in a bonding manner through an adhesive layer 3;
the matte coating layer 2 is obtained by coating materials under ultraviolet irradiation, and the coating materials comprise the following components in parts by weight: 24 parts of aliphatic polyurethane triacrylate, 48 parts of 1,6 hexanediol diacrylate, 13 parts of ethylene glycol diglycidyl ether, 4.5 parts of alkyl modified polysiloxane, 1.3 parts of 2-methyl methacrylate, 1.2 parts of hydroxytoluene butyl ester, 2 parts of organic thermosetting polymethyl urea resin, 0.9 part of 4-acryloyl morpholine, 4 parts of sulfonyloxy ketone, 8.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone and 6 parts of coloring pigment;
the coating material is obtained by the following steps:
adding 24 parts of aliphatic polyurethane triacrylate, 48 parts of 1,6 hexanediol diacrylate, 13 parts of ethylene glycol diglycidyl ether and 4.5 parts of alkyl modified polysiloxane into a stirring dispersion machine, and mixing at a stirring speed of 400-600 r/min for 20min to obtain a mixture 1;
step two, adding 4 parts of sulfonyloxy ketone, 8.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1.2 parts of hydroxytoluene butyl ester, 2 parts of organic thermosetting polymethyl urea resin, 0.9 part of 4-acryloyl morpholine, 1.3 parts of 2-methyl methacrylate and a coloring pigment into the mixture 1 obtained in the step one, and continuously mixing for 10min at a stirring speed of 350-450 r/min to obtain a mixture 2;
and step three, grinding the material 2 obtained in the step two until the particle size is 300-350 nm, and obtaining the coating material.
The particle size of the colored pigment is 10 to 15 μm.
The viscosity of the coating material is 15-30 cp at 25 ℃.
The substrate 1 is a polycarbonate PC layer; the adhesive layer 3 is an organic silicon adhesive layer; the support plate 4 is a metal plate layer.
Comparative examples 1 to 2: a multifunctional teaching blackboard comprises a support plate 4 and a writing film 5, wherein the writing film 5 is attached to the surface of one side of the support plate 4;
the writing film 5 further comprises a base material 1 and a matte coating layer 2 coated on one surface of the base material 1, and the other surface of the base material 1 is connected with the support plate 4 in an adhesive manner through an adhesive layer 3;
the matte coating layer 2 is obtained by coating a coating material under ultraviolet irradiation, wherein the coating material comprises the following components in parts by weight, and is shown in table 1:
TABLE 1
| Components | Comparative example 1 | Comparative example 2 |
| Aliphatic polyurethane triacrylate | 17 portions of | 28 portions of |
| 1,6 hexanediol diacrylate | 46 portions of | 39 portions of |
| Ethylene glycol diglycidyl ether | 13 portions of | 11 portions of |
| Alkyl modified polysiloxane | 1.5 parts of | 3 portions of |
| 2-Methylacrylate | 2.1 parts of | 1.7 parts of |
| Hydroxytoluene butyl ester | 0.9 portion | - |
| Organic thermosetting |
3 portions of | - |
| 4-acryloyl morpholine | 1.2 parts of | 0.9 portion |
| Sulfonyloxy ketones | - | 3 portions of |
| 2-hydroxy-2-methyl-1-phenyl-1-propanone | - | 10 portions of |
| Pigment BK7 | 7 portions of | 7 portions of |
The indexes of the tests of the present example and the comparative example are shown in Table 2:
TABLE 2
As can be seen from Table 2, the coating material has good hardness, low viscosity and smooth printing. The multifunctional teaching blackboard adopts the matte coating layer to form the writing surface, can smoothly write and resist scraping, and simultaneously replaces the process of etching the glass surface by strong acid, thereby being more environment-friendly; in addition, the writing film is directly installed and fixed with the support frame, an explosion-proof film and the like do not need to be attached, the process is saved, and the stability and the safety of the structure are guaranteed; secondly, 2-hydroxy-2-methyl-1-phenyl-1-acetone and sulfonyloxy ketone are added into a coating material system, so that the crosslinking rate of ethylene glycol diglycidyl ether, 1,6 hexanediol diacrylate and aliphatic polyurethane triacrylate in the coating material is improved, the curing rate is high, the oxygen inhibition phenomenon of the coating material is effectively avoided, the printing precision is high, and the product yield is improved; and thirdly, the hydroxyl toluene butyl ester and the organic thermosetting polymethyl urea resin are added into the coating material system, so that the curing hardness of the coating material is improved, the scratch resistance is realized, the viscosity and the surface tension of the coating material containing the coloring pigment are reduced, and the stability is good.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. A multifunctional teaching blackboard is characterized in that: the writing board comprises a supporting plate (4) and a writing film (5), the writing film (5) is attached to the surface of one side of the supporting plate (4), the writing film (5) further comprises a base material (1) and a matte coating layer (2) coated on one surface of the base material (1), and the other surface of the base material (1) is connected with the supporting plate (4) in an adhering mode through an adhesive layer (3);
the matte coating layer (2) is obtained by coating materials under ultraviolet irradiation, and the coating materials comprise the following components in parts by weight: 24 parts of aliphatic polyurethane triacrylate, 48 parts of 1,6 hexanediol diacrylate, 13 parts of ethylene glycol diglycidyl ether, 4.5 parts of alkyl modified polysiloxane, 1.3 parts of 2-methyl methacrylate, 1.2 parts of hydroxytoluene butyl ester, 2 parts of organic thermosetting polymethyl urea resin, 0.9 part of 4-acryloyl morpholine, 4 parts of sulfonyloxy ketone, 8.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone and 6 parts of coloring pigment;
the coating material is obtained by the following steps:
adding 24 parts of aliphatic polyurethane triacrylate, 48 parts of 1,6 hexanediol diacrylate, 13 parts of ethylene glycol diglycidyl ether and 4.5 parts of alkyl modified polysiloxane into a stirring dispersion machine, and mixing at a stirring speed of 400-600 r/min for 20min to obtain a mixture 1;
step two, adding 4 parts of sulfonyloxy ketone, 8.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1.2 parts of hydroxytoluene butyl ester, 2 parts of organic thermosetting polymethyl urea resin, 0.9 part of 4-acryloyl morpholine, 1.3 parts of 2-methyl methacrylate and a coloring pigment into the mixture 1 obtained in the step one, and continuously mixing for 10min at a stirring speed of 350-450 r/min to obtain a mixture 2;
and step three, grinding the material 2 obtained in the step two until the particle size is 300-350 nm, and obtaining the coating material.
2. A multi-functional teaching blackboard according to claim 1, characterized in that: the particle size of the coloring pigment is 10-15 mu m.
3. A multi-functional teaching blackboard according to claim 1, characterized in that: the adhesive layer (3) is an acrylic acid polyester adhesive layer, an organic silicon adhesive layer, a polyurethane adhesive layer, an epoxy adhesive layer, an AB adhesive layer or other adhesive systems.
4. A multi-functional teaching blackboard according to claim 1, characterized in that: the supporting plate (4) is a glass layer or a metal plate layer or a plastic composite plate layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110182723.8A CN113212040A (en) | 2018-09-26 | 2018-09-26 | Multifunctional teaching blackboard |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110182723.8A CN113212040A (en) | 2018-09-26 | 2018-09-26 | Multifunctional teaching blackboard |
| CN201811121946.8A CN109291697B (en) | 2018-09-26 | 2018-09-26 | Writing board |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811121946.8A Division CN109291697B (en) | 2018-09-26 | 2018-09-26 | Writing board |
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| Publication Number | Publication Date |
|---|---|
| CN113212040A true CN113212040A (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811121946.8A Active CN109291697B (en) | 2018-09-26 | 2018-09-26 | Writing board |
| CN202110172504.1A Active CN113147231B (en) | 2018-09-26 | 2018-09-26 | Teaching writing blackboard |
| CN202110186801.1A Pending CN113246639A (en) | 2018-09-26 | 2018-09-26 | Writing board for teaching |
| CN202110186785.6A Pending CN113147232A (en) | 2018-09-26 | 2018-09-26 | Writing panel for intelligent blackboard |
| CN202110182723.8A Pending CN113212040A (en) | 2018-09-26 | 2018-09-26 | Multifunctional teaching blackboard |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811121946.8A Active CN109291697B (en) | 2018-09-26 | 2018-09-26 | Writing board |
| CN202110172504.1A Active CN113147231B (en) | 2018-09-26 | 2018-09-26 | Teaching writing blackboard |
| CN202110186801.1A Pending CN113246639A (en) | 2018-09-26 | 2018-09-26 | Writing board for teaching |
| CN202110186785.6A Pending CN113147232A (en) | 2018-09-26 | 2018-09-26 | Writing panel for intelligent blackboard |
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| CN (5) | CN109291697B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854256B (en) * | 2022-05-30 | 2023-03-10 | 广州澳森环保科技有限公司 | Intelligent blackboard repairing liquid and preparation method thereof, intelligent blackboard protective film and intelligent blackboard |
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| US5747115A (en) * | 1993-09-30 | 1998-05-05 | The United States Of America As Represented By The Secretary Of The Navy | UV-curable and non-volatile pigmented coatings |
| CN101481448A (en) * | 2009-02-03 | 2009-07-15 | 广州慧谷化学有限公司 | Active oligomer, preparation thereof and white board erasable ultraviolet cured paint containing the same |
| CN102146226A (en) * | 2010-12-28 | 2011-08-10 | 西安航天三沃化学有限公司 | Ultraviolet-cured high-adhesion scraping-resistant agent for heat insulating film |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113147231B (en) | 2023-03-14 |
| CN113246639A (en) | 2021-08-13 |
| CN113147231A (en) | 2021-07-23 |
| CN109291697B (en) | 2021-02-02 |
| CN109291697A (en) | 2019-02-01 |
| CN113147232A (en) | 2021-07-23 |
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