CN116063876A - Environment-friendly inorganic correction fluid and preparation method thereof - Google Patents
Environment-friendly inorganic correction fluid and preparation method thereof Download PDFInfo
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- CN116063876A CN116063876A CN202211237755.4A CN202211237755A CN116063876A CN 116063876 A CN116063876 A CN 116063876A CN 202211237755 A CN202211237755 A CN 202211237755A CN 116063876 A CN116063876 A CN 116063876A
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- 239000002989 correction material Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000839 emulsion Substances 0.000 claims abstract description 27
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 14
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 14
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000013530 defoamer Substances 0.000 claims abstract description 11
- 230000007935 neutral effect Effects 0.000 claims abstract description 7
- 239000011256 inorganic filler Substances 0.000 claims abstract description 6
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 6
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims abstract description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229920000388 Polyphosphate Polymers 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 239000001205 polyphosphate Substances 0.000 claims description 5
- 235000011176 polyphosphates Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 description 18
- 238000000576 coating method Methods 0.000 description 18
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 6
- 235000019353 potassium silicate Nutrition 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 208000032839 leukemia Diseases 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- 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
- C09D10/00—Correcting fluids, e.g. fluid media for correction of typographical errors by coating
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an environment-friendly inorganic correction fluid and a preparation method thereof, wherein the environment-friendly inorganic correction fluid comprises the following components in parts by weight: 10-20 parts of resin emulsion, 20-30 parts of water, 5-10 parts of silica sol, 100 parts of sodium silicate, 140-160 parts of neutral white water-insoluble inorganic filler with a particle size of more than 400 meshes, 2-5 parts of defoamer, 0.2-1 part of silane coupling agent and 1-5 parts of propylene carbonate. The product has the characteristics of fire resistance, no pungent smell, low cost and the like, and is suitable for students.
Description
Technical Field
The invention relates to the field of human correction fluid, in particular to environment-friendly inorganic correction fluid and a preparation method thereof.
Background
The correction fluid on the market contains a large amount of organic solvents, and a hardened film is formed by rapid volatilization of the solvents, and the main components of the correction fluid are three kinds of trichloroethane, methylcyclohexane and cyclohexane, and in addition, the correction fluid contains heavy metals such as lead and barium. It has been reported that the use of the correction fluid containing the above toxic and harmful substances for a long period of time may cause irreversible damage to organs such as liver and kidney, and some children may even cause diseases such as leukemia. In addition to correction fluids, there are also correction tapes for masking erroneous characters in the market, which have main components AS, PS, resin, titanium dioxide, etc., but have weak adhesion to paper, are easily detached, and are not suitable for use over a large area.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an environment-friendly inorganic correction fluid and a preparation method thereof.
The invention is realized by the following technical scheme: the composite material comprises the following components in parts by weight: 10-20 parts of resin emulsion, 20-30 parts of water, 5-10 parts of silica sol, 100 parts of sodium silicate, 140-160 parts of neutral white water-insoluble inorganic filler with a particle size of more than 400 meshes, 2-5 parts of defoamer, 0.2-1 part of silane coupling agent and 1-5 parts of propylene carbonate.
Furthermore, the environment-friendly inorganic correction fluid and the preparation method thereof are characterized in that: the silane coupling agent is one or two of KH560 and KH 550.
Furthermore, the environment-friendly inorganic correction fluid and the preparation method thereof are characterized in that: the PH value of the alkaline silica sol is 8-10.
Furthermore, the environment-friendly inorganic correction fluid and the preparation method thereof are characterized in that: the resin emulsion comprises one or more of styrene-acrylic emulsion, EVA emulsion, acrylic resin emulsion, epoxy resin emulsion and polyurethane emulsion.
Furthermore, the environment-friendly inorganic correction fluid and the preparation method thereof are characterized in that the neutral white water-insoluble inorganic fine filler with more than 400 meshes is one or two of calcium carbonate powder with more than 400 meshes, titanium dioxide with more than 400 meshes and aluminum dihydrogen polyphosphate with more than 400 meshes.
The invention also discloses a preparation method and a use method of the environment-friendly inorganic correction fluid, which are characterized by comprising the following steps: weighing 20-30 parts of resin emulsion according to the weight fraction ratio, adding 20-30 parts of water into a reaction container, fully stirring to fully dissolve the resin emulsion, then adding 5-10 parts of silica sol, 100 parts of sodium water glass, 140-160 parts of neutral white water-insoluble inorganic filler with more than 400 meshes, 2-5 parts of defoamer and 0.2-1 part of silane coupling agent, grinding for 10 minutes, and discharging to obtain environment-friendly inorganic correction fluid; when in use, the environment-friendly inorganic correction fluid is painted on the surface of characters to be modified, and then a proper amount of propylene carbonate is sprayed.
The principle of the invention is as follows: the invention utilizes the characteristic that the water glass coating film is easy to solidify in the air at normal temperature, combines the resin emulsion, increases the toughness of the coating film, and improves the adhesive force between the water glass coating film and paper. The silica sol added in the system is alkalescent, and aims to increase the inorganic silicon content under the condition of not increasing the alkalinity, improve the strength of a coating film and reduce the shrinkage rate. The inorganic filler used in the invention needs to have enough covering power and fineness, and is preferably aluminum dihydrogen polyphosphate which can be solidified and reacted with water glass at normal temperature. In the present invention, both organic and inorganic systems exist, and thus a silane coupling agent is required to fuse the two systems. The correction fluid of the invention contains a small amount of water, and the water glass reacts with carbon dioxide in the air along with the absorption and volatilization of the water by paper, so that the process of gradually solidifying the coating takes about 10 minutes, and in order to accelerate the solidification speed of the coating, the invention provides a scheme that a small amount of propylene carbonate is sprayed on the surface of the coating, and carbonic acid generated by the hydrolysis of the propylene carbonate accelerates the solidification of the water glass, and the process takes about 3 minutes.
The beneficial effects of the invention are as follows:
1. improving the fire resistance of the paper. Most of the correction fluid system is made of inorganic materials, and after the paper is coated, the paper coated with the correction fluid system has fire resistance;
2. the cost is low, the raw materials used in the invention are all conventional articles, the cost is low, and the cost is reduced;
3. no harmful gas is released, no matter in the production process or when the product of the invention is used, the invention has better environmental protection property and is suitable for students to use.
4. The adhesive force with paper is strong, and the resin emulsion provided by the invention is broken in the curing process of water glass, so that the resin permeates into the paper and is well combined with the paper, and the adhesive force of a coating film is fully improved.
Detailed Description
The following detailed description of the preferred embodiments of the invention is provided to enable those skilled in the art to more readily understand the advantages and features of the invention and to make a clear and concise definition of the scope of the invention.
Example 1
The refractory wallboard and the preparation method thereof comprise the following components in parts by weight: 10 parts of styrene-acrylic emulsion, 20 parts of water, 5 parts of silica sol, 100 parts of sodium water glass, 140 parts of calcium carbonate powder with more than 400 meshes, 2 parts of defoamer, 0.2 part of KH560 silane coupling agent and 1 part of propylene carbonate.
The preparation and use process comprises the following steps: firstly, weighing 10 parts of styrene-acrylic emulsion, 20 parts of water, 5 parts of silica sol, 100 parts of sodium water glass, 140 parts of calcium carbonate powder with more than 400 meshes, 2 parts of defoamer and 0.2 part of KH560 silane coupling agent according to the weight percentage ratio, and fully grinding and stirring for 10 minutes to obtain correction fluid;
and step two, uniformly coating the correction fluid obtained in the step one on the corrected error word, immediately and uniformly spraying 1 part of propylene carbonate, hardening a coating film about 3 minutes, and re-writing on the coating film.
Example two
The refractory wallboard and the preparation method thereof comprise the following components in parts by weight: 15 parts of EVA emulsion, 25 parts of water, 8 parts of silica sol, 100 parts of sodium water glass, 150 parts of titanium dioxide with more than 400 meshes, 3 parts of defoamer, 0.3 part of KH550 silane coupling agent and 3 parts of propylene carbonate.
The preparation and use process comprises the following steps: firstly, weighing 10 parts of styrene-acrylic emulsion, 20 parts of water, 5 parts of silica sol, 100 parts of sodium water glass, 140 parts of calcium carbonate powder with more than 400 meshes, 2 parts of defoamer and 0.3 part of KH550 silane coupling agent according to the weight percentage ratio, and fully grinding and stirring for 10 minutes to obtain correction fluid;
and step two, uniformly coating the correction fluid obtained in the step one on the corrected error word, immediately and uniformly spraying 3 parts of propylene carbonate, hardening a coating film about 3 minutes, and re-writing on the coating film.
Example III
The refractory wallboard and the preparation method thereof comprise the following components in parts by weight: 20 parts of epoxy resin emulsion, 30 parts of water, 10 parts of silica sol, 100 parts of sodium water glass, 160 parts of aluminum dihydrogen polyphosphate powder with more than 400 meshes, 5 parts of defoamer, 1 part of KH560 silane coupling agent and 5 parts of propylene carbonate.
The preparation and use process comprises the following steps: step one, weighing 20 parts of epoxy resin emulsion, 30 parts of water, 10 parts of silica sol, 100 parts of sodium water glass, 160 parts of more than 400-mesh aluminum dihydrogen polyphosphate powder, 5 parts of defoamer and 1 part of KH560 silane coupling agent according to the weight percentage ratio, and fully grinding and stirring for 10 minutes to obtain correction fluid;
and step two, uniformly coating the correction fluid obtained in the step one on the corrected error word, immediately and uniformly spraying 5 parts of propylene carbonate, hardening a coating film about 3 minutes, and re-writing on the coating film.
TABLE one comparison of the Performance of the correction fluids of the invention with other products
The method for measuring UV aging resistance of the correction fluid coating film was conducted in accordance with ASTM G154, and whether the color and gloss were visually changed before and after irradiation with light and whether cracking occurred were examined. Adhesive force reference when tested according to GB/T5210-1985 "pull-apart test method of paint and varnish-adhesive force", 3 sheets of paper coated with the correction fluids (tapes) of example I, II, III and comparative example I, II were each fixed on a test apparatus, the surface was coated with an adhesive for test, after the adhesive was cured, a vertical, uniform tensile force was applied at a speed of 10 mm/min, and the test results were averaged over 3 tests in kg/cm 2. Scratch hardness is detected by referring to GB/T6739-2006 Standard of paint film hardness determination by the method of colored paint and varnish Pencil, and before detection, the first, second and third examples and the first, second and 5 correction fluids (belts) of the comparative examples are arranged on a smooth phosphated steel plate meeting the requirements of GB/T9271-2008 standard. Considering that the fire resistance of the correction fluid is not a characteristic mainly required in the application field of the product, the fire resistance is tested and judged in a simple qualitative mode, and the testing process is as follows: the paper coated with the correction fluids (tapes) of examples one, two, three and comparative examples one and two were placed on an open fire for 5 seconds, respectively, and the fire resistance of the sample was judged to be poor when the paper was on fire, and the fire resistance was judged to be good when the paper was off fire.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the present invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort shall be construed as falling within the scope of the present invention.
Claims (6)
1. An environment-friendly inorganic correction fluid and a preparation method thereof are characterized in that: the composite material comprises the following components in parts by weight: 10-20 parts of resin emulsion, 20-30 parts of water, 5-10 parts of silica sol, 100 parts of sodium silicate, 140-160 parts of neutral white water-insoluble inorganic filler with a particle size of more than 400 meshes, 2-5 parts of defoamer, 0.2-1 part of silane coupling agent and 1-5 parts of propylene carbonate.
2. The environment-friendly inorganic correction fluid and the preparation method thereof according to claim 1, wherein the environment-friendly inorganic correction fluid is characterized in that: the silane coupling agent is one or two of KH560 and KH 550.
3. The environment-friendly inorganic correction fluid and the preparation method thereof according to claim 1, wherein the environment-friendly inorganic correction fluid is characterized in that: the PH value of the alkaline silica sol is 8-10.
4. The environment-friendly inorganic correction fluid and the preparation method thereof according to claim 1, wherein the environment-friendly inorganic correction fluid is characterized in that: the resin emulsion comprises one or more of styrene-acrylic emulsion, EVA emulsion, acrylic resin emulsion, epoxy resin emulsion and polyurethane emulsion.
5. The environment-friendly inorganic correction fluid and the preparation method thereof according to claim 1, wherein the neutral white water-insoluble inorganic fine filler with more than 400 meshes is one or two combinations of calcium carbonate powder with more than 400 meshes, titanium dioxide with more than 400 meshes and aluminum dihydrogen polyphosphate with more than 400 meshes.
6. The environment-friendly inorganic correction fluid and the preparation method thereof according to claim 1, wherein the method comprises the following steps: weighing 20-30 parts of resin emulsion according to the weight fraction ratio, adding 20-30 parts of water into a reaction container, fully stirring to fully dissolve the resin emulsion, then adding 5-10 parts of silica sol, 100 parts of sodium water glass, 140-160 parts of neutral white water-insoluble inorganic filler with more than 400 meshes, 2-5 parts of defoamer and 0.2-1 part of silane coupling agent, grinding for 10 minutes, and discharging to obtain environment-friendly inorganic correction fluid; when in use, the environment-friendly inorganic correction fluid is painted on the surface of characters to be modified, and then a proper amount of propylene carbonate is sprayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211237755.4A CN116063876A (en) | 2022-10-11 | 2022-10-11 | Environment-friendly inorganic correction fluid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211237755.4A CN116063876A (en) | 2022-10-11 | 2022-10-11 | Environment-friendly inorganic correction fluid and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116063876A true CN116063876A (en) | 2023-05-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211237755.4A Pending CN116063876A (en) | 2022-10-11 | 2022-10-11 | Environment-friendly inorganic correction fluid and preparation method thereof |
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Application publication date: 20230505 |