CN110643256A - Water-based environment-friendly wall paint capable of being repeatedly written with water and preparation method thereof - Google Patents
Water-based environment-friendly wall paint capable of being repeatedly written with water and preparation method thereof Download PDFInfo
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- CN110643256A CN110643256A CN201910868772.XA CN201910868772A CN110643256A CN 110643256 A CN110643256 A CN 110643256A CN 201910868772 A CN201910868772 A CN 201910868772A CN 110643256 A CN110643256 A CN 110643256A
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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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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 provides a water-based environment-friendly wall paint capable of being repeatedly written by water and a preparation method thereof. The coating comprises the following components in percentage by mass: 20-70% of aqueous coating emulsion, 2-30% of water-induced color development pigment, 1-8% of cosolvent, 5-35% of filler, 0.5-5% of film-forming assistant, 0.5-3% of dispersing agent, 0.01-1% of defoaming agent, 0.01-1.5% of flatting agent, 0.02-3% of thickening agent, 0.03-3% of preservative and the balance of water. The water-based paint takes the water-induced color developing pigment as the color developing agent, has the performance of being colorless after being dried, developing color when meeting water, fading after being dried and dehydrated and developing color again by water after being dried, thereby realizing repeated writing on the wall surface coated with the paint by taking water as writing liquid. The coating can be used for teaching, training and board making for children doodling, and can ensure that the teaching environment is more environment-friendly, sanitary and healthy.
Description
Technical Field
The invention relates to a coating, in particular to a water-based environment-friendly coating for a wall surface capable of being repeatedly written by water and a preparation method thereof.
Background
Blackboard chalk teaching is the most original and traditional teaching mode. Writing on a blackboard with chalk can produce a large amount of dust, pollute the teaching environment, harm teachers and students' health. And dust adsorbed on classroom electronic teaching equipment still causes equipment failure easily, leads to the wasting of resources. The white board pen is an important member in teaching and office supplies, but the solvent of the writing liquid is volatile organic solvent, so the white board pen is easy to volatilize, the pen point is easy to dry, and the environment is polluted; the white board used in cooperation with the white board is a bright and clean (reflective) enamel white board resistant to organic solvents, and the strong reflective effect of the white board can cause visual fatigue and is not beneficial to teaching; the carbon black in the white board pen is easy to pollute, clothes and not easy to clean; the writing liquid has strong permeability, pollutes the board surface, and the writing is easy to leave shadows on the board surface when the writing retention time is long, and the shadows are required to be erased by organic solvents such as acetone; when the cleaned board surface is used for writing again, shadows are more easily left and are less prone to being cleaned, so that the service life of the whiteboard is shortened, and resource waste is caused.
Disclosure of Invention
The invention aims to provide a water-based environment-friendly wall paint capable of being repeatedly written with water and a preparation method thereof.
The invention provides a water-based environment-friendly wall paint capable of being repeatedly written by water, which is characterized by comprising the following components in percentage by mass:
20-70% of water-based emulsion
2 to 30 percent of water-induced color development pigment
Cosolvent: 1 to 8 percent
5 to 35 percent of filler
0.5 to 5 percent of film forming additive
Dispersing agent: 0.5 to 3 percent
0.01 to 1 percent of defoaming agent
0.01 to 1.5 percent of flatting agent
0.02 to 3 percent of thickening agent
0.01 to 3 percent of mildew preventive
Balance of deionized water
The water-induced color developing pigment comprises water-induced color developing organic pigments with structures of oxazolidine, oxazine, lactone, spiropyran, anthraquinone and the like, and is specifically one of the pigments listed in the following table:
the water-based emulsion is a composition of water-based polyurethane, styrene-acrylic or acrylic acid, or epoxy emulsion and a curing agent thereof.
The filler is titanium dioxide, or a composition of titanium dioxide, barium sulfate and silica powder, or a composition of titanium dioxide, barium sulfate, silica powder and mica powder;
the film-forming auxiliary agent is at least one of hydroxy cellulose, acrylic acid dicyclopentenyloxyethyl ester and diisopropyl alcohol adipate;
the cosolvent is at least one of isopropanol, propylene glycol methyl ether and dipropylene glycol butyl ether;
the thickening agent is a composition of a thickening agent 036 and a thickening agent 060;
dispersing agent, leveling agent, defoaming agent and mildew preventive are all general products used in general water-based paint.
The preparation method of the water-based environment-friendly paint for the wall surface capable of being repeatedly written by water comprises the following steps: adding the part of the aqueous emulsion, the water-based color developing pigment, the cosolvent, the filler, the film forming agent, the dispersant, the part of the water, the part of the leveling agent and the part of the defoaming agent into a reactor according to a specified proportion, stirring and mixing uniformly at a high speed, then adding the rest of the aqueous emulsion, adding the thickening agent, the mildew preventive, the rest of the leveling agent, the rest of the defoaming agent and the rest of the water, stirring and mixing uniformly at a high speed, and thus obtaining the water-based environment-friendly wall coating capable of being repeatedly written by water.
Compared with the prior art, the invention has the beneficial effects that:
1. the water-based environment-friendly paint can be used as a writing board surface when being coated on a wall surface, and can realize writing and drawing by taking water as writing liquid. Compared with the current common chalk, white board pen ink, water-induced fading writing liquid and embrocation fading writing liquid, the writing cost is greatly reduced, and the convenience is improved. 2. The water-based environment-friendly coating for the wall surface can avoid pollution of chalks and white board pens in teaching, is environment-friendly and sanitary, and avoids the harm of conventional teaching to the health of teachers and students. 3. Can eliminate pollution and corrosion to teaching electronic equipment. 4. The paint is coated on the inner wall, so that each wall surface can become a board surface capable of writing and drawing, and each board surface becomes a projection curtain; each blank office wall surface can become a free communication space and place; further creating a borderless classroom, a doodle wall for children and an office creative wall, arousing the learning power of children and cultivating creative thinking.
Detailed Description
The following examples are only a few examples of the present invention, and these examples are only for further illustrating the present invention and are not intended to limit the scope of the present invention.
Example 1
The raw material formula of the water-based environment-friendly wall paint capable of being repeatedly written with water comprises the following components:
epoxy emulsion: 30g of
Curing agent: 11g
A water-based coloring material having a molecular structure of No. 1: 8g
Isopropyl alcohol: 0.8mL
Propylene glycol methyl ether: 0.8mL
Titanium dioxide: 15g of
Barium sulfate: 6g
Silicon micropowder: 13g
Mica powder: 1g
Film-forming aid hydroxycellulose (2% aqueous solution): 2mL
Dispersant BYK-180: 1.5mL
Defoaming agent BYK-024: 1mL of
Leveling agent BYK-333: 1.4mL
Thickener 036: 0.5mL
Thickener 060: 0.5mL
Mildew preventive Micro-KS 119: 1.5mL
Deionized water: 6mL
The preparation method of the coating comprises the following steps: 2/3 of the aqueous emulsion, the water-based coloring material, the cosolvent, the filler, the film-forming assistant, the dispersant, 1/3 of water, 1/2 of the leveling agent and 1/2 of the defoaming agent are added into a reactor according to the proportion and stirred and mixed evenly at a high speed, then the rest of the aqueous emulsion, the thickening agent, the mildew preventive, the rest of the defoaming agent and the rest of the leveling agent are added, and the rest of the water is stirred and mixed evenly at a high speed, thus obtaining the water-based paint which can be repeatedly written and takes water as writing liquid.
After the prepared paint is coated on the inner wall, the wall surface is beige. The writing pen is filled with water as writing liquid, and the writing is written on the beige wall surface, and the written handwriting is blue. The written handwriting can fade after being dried by a blower, and the wall surface can be continuously written for 1000 times without damage marks of the wall surface.
Example 2
The raw material formula of the water-based environment-friendly wall paint capable of being repeatedly written with water comprises the following components:
styrene-acrylic aqueous emulsion: 35g of
A water-based coloring material having a molecular structure of No. 2: 4g
Isopropyl alcohol: 1mL of
Propylene glycol methyl ether: 0.5mL
Titanium dioxide: 13g
Barium sulfate: 6g
Silicon micropowder: 14g
Mica powder: 0.8g
Coalescent dicyclopentenyloxyethyl acrylate: 2mL
Dispersant BYK-180: 1mL of
Defoaming agent BYK-024: 1mL of
Leveling agent BYK-333: 0.5mL
Thickener 036: 0.3mL
Thickener 060: 0.3mL
Mildew preventive Micro-KS 119: 1mL of
Deionized water: 19.6mL
The preparation method of the coating is the same as that of example 1.
After the prepared paint is coated on the inner wall, the wall surface is beige. The writing pen is filled with water as writing liquid, and the writing is written on the beige wall surface, and the written handwriting shows magenta. The written handwriting can fade after being dried by a blower, and the wall surface can be continuously written for 1000 times without damage marks of the wall surface.
Example 3
The raw material formula of the water-based environment-friendly wall paint capable of being repeatedly written with water comprises the following components:
aqueous polyurethane emulsion: 32g
A water-based coloring material having a molecular structure of No. 4: 6g
Isopropyl alcohol: 1mL of
Propylene glycol methyl ether: 0.5mL
Dipropylene glycol butyl ether: 0.5mL
Titanium dioxide: 12g of
Barium sulfate: 7g of
Silicon micropowder: 15g of
Mica powder: 1g
Film-forming co-diisopropanolhexanedioate: 2mL
Dispersant BYK-180: 3mL of
Defoaming agent BYK-024: 1mL of
Leveling agent BYK-333: 0.5mL
Thickener 036: 0.7mL
Thickener 060: 0.3mL
Mildew preventive Micro-KS 119: 1mL of
Deionized water: 16.5mL
The preparation method of the coating is the same as that of example 1.
After the prepared paint is coated on the inner wall, the wall surface is beige. The writing pen is filled with water as writing liquid, and the writing is written on the beige wall surface, and the written handwriting is purple. The written handwriting can fade after being dried by a blower, and the wall surface can be continuously written for 1000 times without damage marks of the wall surface.
Example 4
The raw material formula of the water-based environment-friendly wall paint capable of being repeatedly written with water comprises the following components:
epoxy water-based emulsion: 42g
Curing agent: 10g
5g of a waterborne coloring material having a molecular structure of No. 19
Isopropyl alcohol: 3mL of
Titanium dioxide: 8g
Barium sulfate: 5g
Silicon micropowder: 10g
Film-forming aid hydroxycellulose (2% aqueous solution): 4mL
Dispersant BYK-180: 2mL
Defoaming agent BYK-024: 0.8mL
Leveling agent BYK-333: 1.3mL
Thickener 036: 0.5mL
Thickener 060: 0.5mL
Mildew preventive Micro-KR 110: 2mL
Deionized water: 15.9mL
The preparation method of the coating is the same as that of example 1.
After the prepared paint is coated on the inner wall, the wall surface is beige. The writing pen is filled with water as writing liquid, and the writing is written on the beige wall surface, and the written handwriting is red. The written handwriting can fade after being dried by a blower, and the wall surface can be continuously written for 1000 times without damage marks of the wall surface.
Example 5
The raw material formula of the water-based environment-friendly wall paint capable of being repeatedly written with water comprises the following components:
acrylic acid aqueous emulsion: 45g of
A water-based coloring material having a molecular structure of SEQ ID No. 20: 9g of
Isopropyl alcohol: 3mL of
Titanium dioxide: 8g
Barium sulfate: 5g
Silicon micropowder: 10g
Coalescent dicyclopentenyloxyethyl acrylate: 4mL
Dispersant BYK-180: 3mL of
Defoaming agent BYK-024: 1mL of
Leveling agent BYK-333: 1.5mL
Thickener 036: 0.5mL
Thickener 060: 0.5mL
Mildew preventive Micro-KR 110: 1.5mL
Deionized water: 8mL
The preparation method of the coating is the same as that of example 1.
After the prepared paint is coated on the inner wall, the wall surface is beige. The writing pen is filled with water as writing liquid, and the writing is written on the beige wall surface, and the written handwriting is red. The written handwriting can fade after being dried by a blower, and the wall surface can be continuously written for 1000 times without damage marks of the wall surface.
Example 6
9g of a water-based coloring material having a molecular structure No. 21; the other raw materials and the dosage, preparation method and effect are the same as those of the example 5.
Example 7
9g of a water-based coloring material having a molecular structure of SEQ ID No. 25; the other raw materials and the dosage, preparation method and effect are the same as those of the example 5.
Claims (8)
1. The water-based environment-friendly wall paint capable of being repeatedly written with water is characterized by comprising the following components in percentage by mass:
20-70% of water-based emulsion
2 to 30 percent of water-induced color development pigment
1 to 8 percent of cosolvent
5 to 35 percent of filler
0.5 to 5 percent of film forming additive
0.5 to 3 percent of dispersant
0.01 to 1 percent of defoaming agent
0.01 to 1.5 percent of flatting agent
0.02 to 3 percent of thickening agent
0.01 to 3 percent of mildew preventive
Balance of deionized water
The water-induced color developing pigment is a water-induced color developing organic pigment with oxazolidine, oxazine, lactone, spiropyran and anthraquinone structures.
2. The aqueous environmental-friendly wall paint according to claim 1, wherein the water-borne color-developing organic colorant having oxazolidine, oxazine, lactone, spiropyran and anthraquinone structures is one of the following:
3. the wall surface water-based environment-friendly paint as claimed in claim 1 or 2, wherein the water-based emulsion is water-based polyurethane, styrene-acrylic or acrylic acid, or a combination of epoxy emulsion and a curing agent thereof.
4. The wall surface water-based environment-friendly paint as claimed in claim 1 or 2, wherein the filler is titanium dioxide, or a composition of titanium dioxide, barium sulfate and silica powder, or a composition of titanium dioxide, barium sulfate, silica powder and mica powder.
5. The wall surface water-based environment-friendly paint as claimed in claim 1 or 2, wherein the film forming auxiliary agent is at least one of hydroxy cellulose, dicyclopentenyloxyethyl acrylate and diisopropanol adipate.
6. The wall surface water-based environment-friendly paint as claimed in claim 1 or 2, wherein the cosolvent is at least one of isopropanol, propylene glycol methyl ether and dipropylene glycol butyl ether.
7. The aqueous environment-friendly wall surface coating according to claim 1 or 2, wherein the thickener is a combination of thickener 036 and thickener 060.
8. The preparation method of the water-based environment-friendly wall coating as claimed in claim 1 or 2, characterized by comprising the following steps: adding the part of the aqueous emulsion, the water-based color developing pigment, the cosolvent, the filler, the film forming agent, the dispersant, the part of the water, the part of the leveling agent and the part of the defoaming agent into a reactor according to a specified proportion, stirring and mixing uniformly at a high speed, then adding the rest of the aqueous emulsion, adding the thickening agent, the mildew preventive, the rest of the leveling agent, the rest of the defoaming agent and the rest of the water, stirring and mixing uniformly at a high speed, and thus obtaining the water-based environment-friendly wall coating capable of being repeatedly written by water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868772.XA CN110643256A (en) | 2019-09-16 | 2019-09-16 | Water-based environment-friendly wall paint capable of being repeatedly written with water and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868772.XA CN110643256A (en) | 2019-09-16 | 2019-09-16 | Water-based environment-friendly wall paint capable of being repeatedly written with water and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110643256A true CN110643256A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910868772.XA Pending CN110643256A (en) | 2019-09-16 | 2019-09-16 | Water-based environment-friendly wall paint capable of being repeatedly written with water and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534161A (en) * | 2020-05-25 | 2020-08-14 | 董武强 | Nano developer |
| CN115057869A (en) * | 2022-06-07 | 2022-09-16 | 吉林大学 | Dye switch molecule, preparation method and application thereof, and reusable water writing paper and application thereof in anti-counterfeiting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732116A (en) * | 2012-07-06 | 2012-10-17 | 雅士利涂料（苏州）有限公司 | Anti-yellowing paint and preparation method thereof |
| CN105500968A (en) * | 2015-11-24 | 2016-04-20 | 吉林大学 | Reusable water writing paper |
-
2019
- 2019-09-16 CN CN201910868772.XA patent/CN110643256A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732116A (en) * | 2012-07-06 | 2012-10-17 | 雅士利涂料（苏州）有限公司 | Anti-yellowing paint and preparation method thereof |
| CN105500968A (en) * | 2015-11-24 | 2016-04-20 | 吉林大学 | Reusable water writing paper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534161A (en) * | 2020-05-25 | 2020-08-14 | 董武强 | Nano developer |
| CN115057869A (en) * | 2022-06-07 | 2022-09-16 | 吉林大学 | Dye switch molecule, preparation method and application thereof, and reusable water writing paper and application thereof in anti-counterfeiting |
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Application publication date: 20200103 |