CN116496653A - Preparation method of ultraviolet absorbent grafted nano silicon dioxide antifogging liquid - Google Patents
Preparation method of ultraviolet absorbent grafted nano silicon dioxide antifogging liquid Download PDFInfo
- Publication number
- CN116496653A CN116496653A CN202310455389.8A CN202310455389A CN116496653A CN 116496653 A CN116496653 A CN 116496653A CN 202310455389 A CN202310455389 A CN 202310455389A CN 116496653 A CN116496653 A CN 116496653A
- Authority
- CN
- China
- Prior art keywords
- silicon dioxide
- nano silicon
- ultraviolet absorbent
- ultraviolet
- grafted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 69
- 239000005543 nano-size silicon particle Substances 0.000 title claims abstract description 64
- 239000002250 absorbent Substances 0.000 title claims abstract description 57
- 230000002745 absorbent Effects 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000032683 aging Effects 0.000 claims abstract description 13
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 12
- 230000006750 UV protection Effects 0.000 claims abstract description 10
- NZZFYRREKKOMAT-UHFFFAOYSA-N diiodomethane Chemical compound ICI NZZFYRREKKOMAT-UHFFFAOYSA-N 0.000 claims abstract description 9
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 7
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002841 Lewis acid Substances 0.000 claims abstract description 6
- 150000007517 lewis acids Chemical class 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 238000000498 ball milling Methods 0.000 claims description 8
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical group OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000013530 defoamer Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000007142 ring opening reaction Methods 0.000 claims description 4
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000002310 reflectometry Methods 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 2
- 150000002433 hydrophilic molecules Chemical class 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 19
- 230000004224 protection Effects 0.000 abstract description 2
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 description 10
- 229920000915 polyvinyl chloride Polymers 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 5
- 229910052724 xenon Inorganic materials 0.000 description 5
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 5
- 238000005507 spraying Methods 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007306 functionalization reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229940124543 ultraviolet light absorber Drugs 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention provides a preparation method of an ultraviolet absorbent grafted nano silicon dioxide antifogging liquid, and relates to outdoor protection of ultraviolet aging-resistant materials such as color films. The preparation method of the antifogging liquid comprises the following steps: firstly, modifying nano silicon dioxide by using a silane coupling agent in a ball mill; then the dried modified nano silicon dioxide and an ultraviolet absorbent are mixed according to the mass ratio of 1-3: 10, adding 1% of Lewis acid, and grafting an ultraviolet absorbent on the nano silicon dioxide in a ball mill; and finally, matching the ultraviolet absorbent grafted nano silicon dioxide with methyl methacrylate, n-butyl acrylate, butyl methacrylate, isooctyl acrylate and a defoaming agent according to a certain mass ratio to obtain the ultraviolet absorbent grafted nano silicon dioxide antifogging liquid. By introducing an ultraviolet absorber, the anti-fog liquid is endowed with ultraviolet resistance, the contact angle of the anti-fog liquid with water is smaller than 25.0 degrees, the contact angle of the anti-fog liquid with diiodomethane is smaller than 35.0 degrees, and the anti-fog ultraviolet resistance is excellent.
Description
Technical Field
The invention relates to the technical field of anti-ultraviolet aging of anti-fog spray, in particular to a preparation method of an anti-fog liquid containing ultraviolet absorbent grafted nano silicon dioxide.
Background
With the development of technology and the improvement of living standard of people, more and more materials are required to be endowed with functionalization. The anti-fog and anti-ultraviolet functionalization of the material are one of important requirements of human beings. The internal antifogging agent and the ultraviolet absorber are added into the material during the material proportioning, and are characterized by difficult loss and lasting efficacy, but high requirements on the material. For example, it is difficult to obtain good antifogging properties for materials having high crystallinity (e.g., polystyrene).
Different from the internal addition type auxiliary agent, the antifogging/anti-ultraviolet spray is used as an external spray, has the advantages of convenient use, no limitation of the shape of an object and the like, and can be widely applied to various fields of construction, automobiles and the like on the surfaces of various materials such as plastics, rubber, fibers and the like. The anti-fog spray product has low cost, but has poor durability, is easy to wash off or wipe off, has single function, cannot have multiple effects of ultraviolet resistance and the like, and limits the application field.
Disclosure of Invention
(one) solving the technical problems
The invention aims to provide a preparation method of an anti-fog liquid containing ultraviolet absorbent grafted nano silicon dioxide, aiming at the functional deficiency of the existing anti-fog spray product. The modified antifogging agent has an ultraviolet-proof effect compared with the commercially available nanometer antifogging agent, and the antifogging performance is improved.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the nanometer silicon dioxide has high reflectivity to ultraviolet rays with the wavelength of 490nm or less, and can achieve the purposes of long-acting ultraviolet aging resistance and heat aging resistance when being added into the antifogging liquid; the ultraviolet absorber is grafted on the surface of the nano silicon dioxide, so that the ultraviolet resistance mechanism is further enhanced. Specifically, gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and nano silicon dioxide are mixed according to the mass ratio of 1:10, mixing, adding deionized water accounting for 20% of the total mass of the two, and carrying out silane coupling agent modified nano silicon dioxide in a ball mill; then the dried silane coupling agent modified nano silicon dioxide and ultraviolet absorbent are mixed according to the mass ratio of 1-3: 10, adding 1% of Lewis acid, and grafting an ultraviolet absorbent onto the nano silicon dioxide in a ball mill (the time is 60 min) according to an epoxy ring opening mechanism to obtain the ultraviolet absorbent grafted nano silicon dioxide; finally, the nanometer silicon dioxide grafted by the ultraviolet absorbent is matched with methyl methacrylate, n-butyl acrylate, butyl methacrylate, isooctyl acrylate and defoamer according to a certain mass ratio, and the nanometer silicon dioxide antifogging liquid grafted by the ultraviolet absorbent is prepared by high-speed stirring. The antifogging liquid contains an ultraviolet absorbent, has a contact angle with water of less than 25.0 degrees and a contact angle with diiodomethane of less than 35.0 degrees, and has excellent antifogging and ultraviolet resistance. Can be used for outdoor protection of polyvinyl chloride (PVC) color films and the like.
Preferably, the ultraviolet absorber is 2-hydroxy-4-n-octoxybenzophenone.
Preferably, the ultraviolet absorber grafting method is a ball milling grafting method.
Preferably, the nano silicon dioxide is nano silicon dioxide with the particle size of 8-20 nanometers and the surface containing epoxy groups.
Preferably, the other components of the antifogging agent are methyl methacrylate (10% -20%), n-butyl acrylate (15% -20%), butyl methacrylate (15% -20%), isooctyl acrylate (30% -40%), and defoamer (5%).
Working principle: the invention adopts a ball milling grafting method to graft an ultraviolet absorbent on the surface of the nano silicon dioxide modified by the epoxy silane coupling agent. The method utilizes the high temperature generated in the ball milling process to prepare the material with the characteristic of one-step method, does not need post-treatment, and has quick and simple production. Then, the ultraviolet aging resistance and the anti-fog performance of the anti-fog spray are improved by utilizing the nano silicon dioxide grafted by the ultraviolet absorbent. The mechanism is that the ultraviolet absorbent is grafted with nano silicon dioxide to improve the anti-fog performance and the ultraviolet resistance of the anti-fog spray. The mechanism is that the nano silicon dioxide has high reflectivity to ultraviolet rays with the wavelength of 490nm or less, and the long-acting ultraviolet aging resistance and heat aging resistance can be achieved when the nano silicon dioxide is added into the antifogging liquid; the ultraviolet absorber is grafted on the surface of the nano silicon dioxide, so that the ultraviolet resistance mechanism is further enhanced; the grafted ultraviolet absorbent 2-hydroxy-4-n-octoxybenzophenone is a hydrophilic molecule, so that the hydrophilic performance of the antifogging liquid can be further improved, and the antifogging effect is optimized.
The test of the nano silicon dioxide containing the ultraviolet absorbent adopts an infrared visible absorption spectrum and a scanning electron microscope; an antifogging agent test, which adopts a glass substrate, and measures the contact angle with water under the conditions that the temperature is 25 ℃ and the relative humidity is 50+/-5%; the anti-aging test uses PVC color film containing organic pigment (easy to age and change color) as base material, and spray-coating anti-fog spray-coating agent on the surface of base material, at 65deg.C, relative humidity of 50+ -5%, xenon lamp 30W/cm 2 Weather resistance was tested under the conditions.
(III) beneficial effects
The invention provides a preparation method of an ultraviolet absorbent grafted nano silicon dioxide antifogging liquid. The beneficial effects are as follows:
1. the preparation of the grafted nano silicon dioxide containing the ultraviolet absorbent adopts a ball milling grafting method, and the method does not need post-treatment, and has quick and simple production. .
2. After the ultraviolet absorbent grafted nano silicon dioxide is introduced into the antifogging liquid, the contact angle of the antifogging liquid with water is smaller than 25.0 degrees, the contact angle of the antifogging liquid with diiodomethane is smaller than 35.0 degrees, and the antifogging effect is obvious.
3. Xenon lamp aging experiments after spraying PVC color films on the anti-fog liquid, the novel anti-fog liquid has excellent anti-fog and ultraviolet resistance.
Drawings
FIG. 1 is an infrared-visible absorption spectrum of the nanosilica containing the ultraviolet light absorber of the present invention;
FIG. 2 is a surface scanning electron microscope image of a nanosilica anti-fog layer containing an ultraviolet light absorber of the present invention;
FIG. 3 is a contact angle test of an anti-fog liquid containing an ultraviolet absorbent grafted nano-silica of the present invention (a. Example 1 versus water; b. Example 1 versus diiodomethane; c. Example 2 versus water; d. Example 2 versus diiodomethane; e. Example 3 versus water; f. Example 3 versus diiodomethane);
FIG. 4 shows the results of a xenon lamp aging test of a PVC color film sprayed with an ultraviolet absorbent grafted nano-silica anti-fog liquid.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the embodiment of the invention provides a preparation method of an ultraviolet absorbent grafted nano silicon dioxide antifogging liquid, which comprises the following steps of (by mass ratio) gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and nano silicon dioxide: 10, adding deionized water accounting for 20 percent of the total mass of the two materials, and carrying out silane coupling agent modified nano silicon dioxide in a ball mill (an infrared spectrum of a product is shown as figure 1, and an aggregation form of the nano silicon dioxide on the surface of a material is shown as figure 2); then the dried silane coupling agent modified nano silicon dioxide and an ultraviolet absorber are mixed according to the mass ratio of 2:10, adding 1% of Lewis acid, and performing grafting reaction in a ball mill to obtain nano silicon dioxide grafted by an ultraviolet absorbent; finally, the ultraviolet absorbent grafted nano silicon dioxide (2%) is matched with methyl methacrylate (18%), n-butyl acrylate (20%), butyl methacrylate (20%), isooctyl acrylate (35%) and defoamer (5%) according to a certain mass ratio, and the ultraviolet absorbent grafted nano silicon dioxide antifogging liquid is prepared by stirring at a high speed. The antifogging liquid contains an ultraviolet absorber, and has a contact angle with water of 25.0 DEG and a contact angle with diiodomethane of 26.3 DEG (FIGS. 3a, b); the xenon lamp aging test of the ultraviolet absorbent grafted nano silicon dioxide anti-fog liquid spray-coated PVC color film shows that after 336 hours, the yellowing index of the PVC base material containing the organic color material is 1.5, and the PVC base material is slightly discolored (shown in figure 4).
Embodiment two:
the present embodiment is different from the first embodiment in that: the dosage of the grafted ultraviolet absorbent and the dosage of the nano silicon dioxide are improved. Specifically, gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and nano silicon dioxide are mixed according to the mass ratio of 3:10, mixing, adding deionized water accounting for 20% of the total mass of the two, and carrying out silane coupling agent modified nano silicon dioxide in a ball mill; then the dried silane coupling agent modified nano silicon dioxide and an ultraviolet absorber are mixed according to the mass ratio of 3:10, adding 1% of Lewis acid, and grafting an ultraviolet absorbent onto the nano silicon dioxide in a ball mill (the time is 60 min) according to an epoxy ring opening mechanism to obtain the ultraviolet absorbent grafted nano silicon dioxide; finally, the ultraviolet absorbent grafted nano silicon dioxide (5%) is matched with methyl methacrylate (15%), n-butyl acrylate (20%), butyl methacrylate (20%), isooctyl acrylate (35%) and defoamer (5%) according to a certain mass ratio, and the ultraviolet absorbent grafted nano silicon dioxide antifogging liquid is prepared by stirring at a high speed. The antifogging liquid contains an ultraviolet absorbent, the contact angle of the antifogging liquid with water is smaller than 5.0 degrees, the contact angle of the antifogging liquid with diiodomethane is smaller than 21.1 degrees, and the antifogging performance is improved (shown in figures 3c and d); the xenon lamp aging test of the ultraviolet absorbent grafted nano silicon dioxide anti-fog liquid spray-coated PVC color film shows that after 336 hours, the yellowing index of the PVC base material containing the organic color material is 1.3, and the PVC base material is slightly discolored (shown in figure 4).
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A preparation method of an ultraviolet absorbent grafted nano silicon dioxide antifogging liquid is characterized by comprising the following steps: gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and nano silicon dioxide are mixed according to the mass ratio of 1:10, mixing, adding deionized water accounting for 20% of the total mass of the two, and carrying out silane coupling agent modified nano silicon dioxide in a ball mill; then the dried silane coupling agent modified nano silicon dioxide and ultraviolet absorbent are mixed according to the mass ratio of 1-3: 10, adding 1% of Lewis acid, and grafting an ultraviolet absorbent onto the nano silicon dioxide in a ball mill (the time is 60 min) according to an epoxy ring opening mechanism to obtain the ultraviolet absorbent grafted nano silicon dioxide; finally, the nanometer silicon dioxide grafted by the ultraviolet absorbent is matched with methyl methacrylate, n-butyl acrylate, butyl methacrylate, isooctyl acrylate and defoamer according to a certain mass ratio, and the nanometer silicon dioxide antifogging liquid grafted by the ultraviolet absorbent is prepared by high-speed stirring.
2. The method for preparing the ultraviolet absorbent grafted nano silica antifogging liquid according to claim 1, which is characterized in that: adopting a ball milling grafting method, and mixing gamma- (2, 3-glycidoxy) propyl trimethoxy silane and nano silicon dioxide according to the mass ratio of 1:10, mixing, adding deionized water accounting for 20% of the total mass of the two, and carrying out silane coupling agent modified nano silicon dioxide in a ball mill; then the dried silane coupling agent modified nano silicon dioxide and ultraviolet absorbent are mixed according to the mass ratio of 1-3: 10, adding 1% of Lewis acid, and grafting the ultraviolet absorbent on the nano silicon dioxide in a ball mill (the time is 60 min) according to an epoxy ring opening mechanism to obtain the ultraviolet absorbent grafted nano silicon dioxide. The ball milling method is fast, simple and convenient, and is suitable for popularization of enterprises.
3. The method for preparing the ultraviolet absorbent grafted nano silica antifogging liquid according to claim 1, which is characterized in that: the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone.
4. The method for preparing the ultraviolet absorbent grafted nano silica antifogging liquid according to claim 1, which is characterized in that: the other components are methyl methacrylate (10-20%), n-butyl acrylate (15-20%), butyl methacrylate (15-20%), isooctyl acrylate (30-40%) and defoamer (5%).
5. The method for preparing the ultraviolet absorbent grafted nano silica antifogging liquid according to claim 1, which is characterized in that: the nano silicon dioxide is unmodified nano silicon dioxide with the particle size of 8-20 nanometers.
6. The method for preparing the ultraviolet absorbent grafted nano silica antifogging liquid according to claim 1, which is characterized in that: the contact angle with water is smaller than 25.0 degrees, the contact angle with diiodomethane is smaller than 35.0 degrees, and the anti-fog and ultraviolet-resistant performances are excellent.
7. The method for preparing the ultraviolet absorbent grafted nano silica antifogging liquid according to claim 1, which is characterized in that: the ultraviolet absorbent grafted nano silicon dioxide adopts a ball milling grafting method. The method utilizes the high temperature generated in the ball milling process to quickly volatilize the aqueous solution of the ethanol, and the preparation method has the characteristic of one-step method, does not need post treatment, and is quick and simple.
8. The method for preparing the ultraviolet absorbent grafted nano silica antifogging liquid according to claim 1, which is characterized in that: the ultraviolet absorbent is grafted with the nano silicon dioxide to improve the anti-fog performance and the ultraviolet resistance of the anti-fog spray. The mechanism is that the nano silicon dioxide has high reflectivity to ultraviolet rays with the wavelength of 490nm or less, and the long-acting ultraviolet aging resistance and heat aging resistance can be achieved when the nano silicon dioxide is added into the antifogging liquid; the ultraviolet absorber is grafted on the surface of the nano silicon dioxide, so that the ultraviolet resistance mechanism is further enhanced; the grafted ultraviolet absorbent 2-hydroxy-4-n-octoxybenzophenone is a hydrophilic molecule, so that the hydrophilic performance of the antifogging liquid can be further improved, and the antifogging effect is optimized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310455389.8A CN116496653A (en) | 2023-04-25 | 2023-04-25 | Preparation method of ultraviolet absorbent grafted nano silicon dioxide antifogging liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310455389.8A CN116496653A (en) | 2023-04-25 | 2023-04-25 | Preparation method of ultraviolet absorbent grafted nano silicon dioxide antifogging liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116496653A true CN116496653A (en) | 2023-07-28 |
Family
ID=87322526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310455389.8A Pending CN116496653A (en) | 2023-04-25 | 2023-04-25 | Preparation method of ultraviolet absorbent grafted nano silicon dioxide antifogging liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116496653A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080045356A (en) * | 2006-11-20 | 2008-05-23 | 에이비씨나노텍 주식회사 | Silica bead for light diffusing and process for preparing the same |
| JP2008308477A (en) * | 2007-06-16 | 2008-12-25 | Cosme Techno:Kk | Organic uv absorber immobilized powder and compounded cosmetic thereof |
| CN101591494A (en) * | 2009-07-03 | 2009-12-02 | 北京瑞博奥生物科技有限公司 | A kind of antifogging coating and special-purpose anti fogging coating composite and antifog article |
| CN103849165A (en) * | 2012-11-28 | 2014-06-11 | 中国科学院化学研究所 | Functionalized nanometer silica with ultraviolet ray absorption function group grafted on surface, and preparation method thereof |
| JP2016108523A (en) * | 2014-11-28 | 2016-06-20 | 日本板硝子株式会社 | Article with anti-fogging film |
| CN106189504A (en) * | 2016-08-29 | 2016-12-07 | 佛山市高明区海帝陶瓷原料有限公司 | A kind of environment-friendly type aqueous UV photocuring ceramic ink jet ink and preparation method thereof |
| CN106255727A (en) * | 2014-04-28 | 2016-12-21 | 旭硝子株式会社 | Fluid composition and antibacterial articles |
| CN108727625A (en) * | 2017-04-21 | 2018-11-02 | 北京化工大学 | The preparation method of hydrophilic modifying thin polymer film |
| US20210379586A1 (en) * | 2018-12-26 | 2021-12-09 | 3M Innovative Properties Company | Film for Microfluidic Device, Microfluidic Device and Method for Manufacturing Same |
| WO2022097418A1 (en) * | 2020-11-09 | 2022-05-12 | 関西ペイント株式会社 | Coating material composition, and method for forming multilayer coating film |
| CN115109492A (en) * | 2022-07-27 | 2022-09-27 | 中国科学院长春应用化学研究所 | Preparation method of hydrophilic anti-ice coating |
| CN115286966A (en) * | 2022-08-31 | 2022-11-04 | 福耀玻璃工业集团股份有限公司 | Antifogging coating, antifogging glass and preparation method |
-
2023
- 2023-04-25 CN CN202310455389.8A patent/CN116496653A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080045356A (en) * | 2006-11-20 | 2008-05-23 | 에이비씨나노텍 주식회사 | Silica bead for light diffusing and process for preparing the same |
| JP2008308477A (en) * | 2007-06-16 | 2008-12-25 | Cosme Techno:Kk | Organic uv absorber immobilized powder and compounded cosmetic thereof |
| CN101591494A (en) * | 2009-07-03 | 2009-12-02 | 北京瑞博奥生物科技有限公司 | A kind of antifogging coating and special-purpose anti fogging coating composite and antifog article |
| CN103849165A (en) * | 2012-11-28 | 2014-06-11 | 中国科学院化学研究所 | Functionalized nanometer silica with ultraviolet ray absorption function group grafted on surface, and preparation method thereof |
| CN106255727A (en) * | 2014-04-28 | 2016-12-21 | 旭硝子株式会社 | Fluid composition and antibacterial articles |
| JP2016108523A (en) * | 2014-11-28 | 2016-06-20 | 日本板硝子株式会社 | Article with anti-fogging film |
| CN106189504A (en) * | 2016-08-29 | 2016-12-07 | 佛山市高明区海帝陶瓷原料有限公司 | A kind of environment-friendly type aqueous UV photocuring ceramic ink jet ink and preparation method thereof |
| CN108727625A (en) * | 2017-04-21 | 2018-11-02 | 北京化工大学 | The preparation method of hydrophilic modifying thin polymer film |
| US20210379586A1 (en) * | 2018-12-26 | 2021-12-09 | 3M Innovative Properties Company | Film for Microfluidic Device, Microfluidic Device and Method for Manufacturing Same |
| WO2022097418A1 (en) * | 2020-11-09 | 2022-05-12 | 関西ペイント株式会社 | Coating material composition, and method for forming multilayer coating film |
| CN115109492A (en) * | 2022-07-27 | 2022-09-27 | 中国科学院长春应用化学研究所 | Preparation method of hydrophilic anti-ice coating |
| CN115286966A (en) * | 2022-08-31 | 2022-11-04 | 福耀玻璃工业集团股份有限公司 | Antifogging coating, antifogging glass and preparation method |
Non-Patent Citations (2)
| Title |
|---|
| 赵海平;郑春森;姚伯龙;刘云;王利魁;李洪萍;: "热固型聚丙烯酸酯亲水防雾涂层的制备研究", 涂料工业, no. 01, 1 January 2017 (2017-01-01) * |
| 鞠振华;刘秀军;曹俊辉;张庆印;: "光固化环氧丙烯酸树脂水性化及其改性研究进展", 塑料工业, no. 09, 20 September 2018 (2018-09-20) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3897408B2 (en) | Antifogging coating material, antifogging coating film and antifogging article | |
| CN113462247B (en) | Water-based sand-containing multicolor paint and preparation method thereof | |
| TWI322169B (en) | Silicone-based coating composition with middle and high refractive index, method of preparing the same, and optical lens prepared therefrom | |
| CN106674852A (en) | Blue-ray-proof lens and resin raw material thereof | |
| CN105176293B (en) | Super hydrophilic coating and preparation method thereof and super-hydrophilic coating and preparation method | |
| CN105176371A (en) | Ultraviolet curing coating and preparation method thereof, and super-hydrophilic transparent antifogging coating layer and preparation method thereof | |
| CN101029206A (en) | Thermal-insulating external-wall coating of nano-composite water and its production | |
| CN109207003B (en) | Full-spectrum solar spectrum reflection cooling coating for road and preparation method thereof | |
| CN109868025B (en) | Preparation method of water-based normal-temperature self-crosslinking super-hydrophilic anti-fog coating | |
| JPWO2009148097A1 (en) | Core-shell particle manufacturing method, core-shell particle, hollow particle manufacturing method, coating composition and article | |
| CN111534202B (en) | Hydrophilic anti-fogging coating and preparation method thereof | |
| CN104769023B (en) | For the nanometer titanium dioxide silicon coating for hindering dewdrop to be formed | |
| CN109836918B (en) | Antifogging liquid and preparation method thereof | |
| CN104497659A (en) | Antifog surface treatment agent for resin optical glasses | |
| CN106519741B (en) | The compound super hydrophilic wear-resistant paint of silicon zirconium | |
| CN110591555A (en) | Preparation method of self-cleaning antifogging astronomical telescope lens | |
| CN110698947A (en) | Preparation method of insulating antistatic high-reflection water-based paint | |
| CN107285640A (en) | Enhanced intelligent temperature control vanadium dioxide laminated film of a kind of infrared light regulating power and preparation method thereof | |
| CN104558661A (en) | Antifogging resin optical lens and preparation method thereof | |
| CN114292485A (en) | Antibacterial adhesion-resistant hydrophobic anti-reflection material and preparation method and application thereof | |
| CN109369861A (en) | A kind of hydrophilic organic silicon microballoon and preparation method thereof | |
| CN103739210B (en) | A kind of titanium deoxid film and preparation method thereof | |
| CN116496653A (en) | Preparation method of ultraviolet absorbent grafted nano silicon dioxide antifogging liquid | |
| JP2002309157A (en) | Infrared light-shielding coating for transparent base material, and coating film-forming method and transparent base material | |
| CN1361186A (en) | Nanometer acrylic acid microemulsion, water-thinned heat reflecting and isolating paint and their production process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |