CN116875186A - Quick-change color coating for optical lenses and films and preparation method thereof - Google Patents
Quick-change color coating for optical lenses and films and preparation method thereof Download PDFInfo
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- CN116875186A CN116875186A CN202310885327.0A CN202310885327A CN116875186A CN 116875186 A CN116875186 A CN 116875186A CN 202310885327 A CN202310885327 A CN 202310885327A CN 116875186 A CN116875186 A CN 116875186A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 238000009500 colour coating Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 48
- 239000011248 coating agent Substances 0.000 claims abstract description 46
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000011521 glass Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000002904 solvent Substances 0.000 claims abstract description 33
- 239000011324 bead Substances 0.000 claims abstract description 31
- 239000004611 light stabiliser Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 28
- 239000010703 silicon Substances 0.000 claims abstract description 28
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000126 substance Substances 0.000 claims abstract description 25
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 24
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 20
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 20
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 16
- 229960000583 acetic acid Drugs 0.000 claims abstract description 12
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 12
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 11
- UCWKLNZSXHXPMB-UHFFFAOYSA-N 2-phenoxynaphthalene-1,4-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C=C1OC1=CC=CC=C1 UCWKLNZSXHXPMB-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001412 amines Chemical class 0.000 claims abstract description 7
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 5
- 239000005388 borosilicate glass Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229920002050 silicone resin Polymers 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005562 fading Methods 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 239000002552 dosage form Substances 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229940124543 ultraviolet light absorber Drugs 0.000 description 1
- 238000009736 wetting Methods 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
Abstract
The invention discloses a quick-change color coating for an optical lens and a film and a preparation method thereof, and relates to the field of optical coatings. The invention comprises organic silicon resin, liquid alcohol solvent, photochromic substance, light stabilizer, antioxidant and ultra-fine glass beads; the organic silicon resin is composed of tetraethoxysilane, phenyl trimethoxysilane, a silane coupling agent, dimethyl dimethoxy silane, isopropanol, deionized water and glacial acetic acid; the photochromic substance adopts phenoxy naphthoquinone polymer; the light stabilizer is composed of hindered amine light stabilizer and ultraviolet absorber. The quick-change color coating of the invention only needs one-time coating; the paint can realize quick color change and fading, has excellent color change performance, good grinding performance, adhesive force and ductility, and has certain strength; the photochromic is efficient and has high stability, and the processing preparation method is easy to operate, thereby being beneficial to large-scale operation and mass production.
Description
Technical Field
The invention belongs to the field of optical coatings, and particularly relates to a quick-change color coating for optical lenses and films and a preparation method thereof.
Background
The photochromic phenomenon refers to a phenomenon that a compound is subjected to chemical reaction under the irradiation of light with a certain wavelength to obtain a product with another color, and can be restored to the original form under the irradiation of light with another wavelength or under the action of heat. Applications based on photochromic phenomena include scenes such as sunglasses, automotive glass, window glass, light transmitting films, etc.
In the prior art, in order to realize photochromic, a given color-changing coating product is coated at least twice, once with a color-changing layer and once with a hard coating, so as to realize the color change of the coating product and improve the scratch resistance of the surface of the coating product; as disclosed in CN202010727696.3, a technical scheme disclosed in patent technology of an ophthalmic lens containing a color-changing coating cured by visible light, which has the disadvantages of complicated manufacturing process, low yield and high cost; the corresponding color change effect is relatively poor, the color change can reach a deep value only in 3 minutes, and the color change can be performed in 5-10 minutes; the color change and fading effects of the coating products on the market at present are weaker by adopting at least two coating or three coating modes; therefore, aiming at the problems, the method is provided, which only needs one-time coating, is favorable for realizing the enhanced scratch resistance of the adhesive force of the base material and the surface coating based on a dosage form mode, does not need under coating, does not need a protective layer, does not need a mode of coating a hard coating on the surface coating, is favorable for simplifying the manufacturing process, improving the process yield and reducing the cost.
Disclosure of Invention
The invention provides a quick color-changing coating for optical lenses and films and a preparation method thereof, which only need one-time coating, realize the enhanced scratch resistance of the adhesive force and the top coating of a base material based on a dosage form mode, do not need a base coat, a protective layer and a hard coating, solve the problems of complex license process, low process yield and high cost caused by at least two or three coating of the existing color-changing coating, and have better enhanced scratch resistance.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a quick-change coating for optical lenses and films, which is prepared from the following raw materials in percentage by weight: 30% -48% of organic silicon resin, 30% -48% of liquid alcohol solvent, 0.1% -10% of photochromic substance, 0.1% -12% of light stabilizer, 1% -8% of antioxidant and 1% -15% of superfine glass beads.
Further, the quick-change color coating is prepared from the following raw materials in percentage by weight: 35-40% of organic silicon resin, 35-40% of liquid alcohol solvent, 1-8% of photochromic substance, 1-10% of light stabilizer, 2-6% of antioxidant and 3-12% of superfine glass beads.
Further, the raw materials for preparing the quick-change color coating and the weight percentages thereof are further optimized as follows: 38% of silicone resin, 38% of liquid alcohol solvent, 6% of photochromic substance, 8% of light stabilizer, 4% of antioxidant and 6% of ultra-fine glass beads.
Further, the organic silicon resin is prepared by blending 30% tetraethoxysilane TEOS, 15.5% phenyltrimethoxysilane PTMOS, 3.5% silane coupling agent KH560, 2.5% dimethyl dimethoxy silane, 29.5% isopropanol, 18.5% deionized water and 0.5% glacial acetic acid for 6 hours.
Further, the liquid alcohol solvent is methanol and/or ethanol.
Further, the photochromic substance adopts phenoxy naphthoquinone polymer.
Further, the light stabilizer is composed of 30% -50% of hindered amine light stabilizer and 50% -70% of ultraviolet absorber, and the ultraviolet absorber is ultraviolet absorber UV-O.
Further, the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:3-1:1.
Further, the superfine glass beads adopt borosilicate glass beads with the average particle diameter of 0.05um, which are formed after grinding; the particle size of the ultra-fine glass beads ranges from 0.03um to 0.08um.
A preparation method of a quick-change color coating for optical lenses and films comprises the following steps:
s1, preparing organic silicon resin: the preparation method comprises the steps of putting 30% tetraethoxysilane TEOS, 15.5% phenyltrimethoxysilane PTMOS, 3.5% silane coupling agent KH560, 2.5% dimethyl dimethoxy silane, 29.5% isopropanol, 18.5% deionized water and 0.5% glacial acetic acid in a three-neck flask, and carrying out blending reaction for 6 hours at the temperature of 32-35 ℃ at the stirring speed of 800 r/min;
s2, mixing 30-48% of liquid alcohol solvent by weight percentage with 30-48% of organic silicon resin by weight percentage correspondingly prepared, heating to 35 ℃, and stirring for 30min at 1200r/min to dissolve the organic silicon resin in the liquid alcohol solvent;
s3, adding 0.1% -10% of photochromic substances, 0.1% -12% of light stabilizer, 1% -8% of antioxidant and 1% -15% of ultra-fine glass beads which are corresponding to the total weight percentage, and continuously stirring for 1h to dissolve and mix uniformly to obtain the quick-change color coating;
s4, the obtained quick-change color coating is subjected to the environment of 18-28 ℃ and humidity of 30-55 percent at 0.02cm 2 /s-0.2cm 2 And/s is coated or dipped on the optical lens or the film, and a photochromic layer is formed after the liquid alcohol solvent volatilizes.
Compared with the prior art, the invention has the following beneficial effects:
(1) The quick color-changing coating provided by the invention is only required to be coated once, the enhanced scratch resistance of the adhesive force and the surface coating of the optical lens or the film substrate is realized based on a dosage form mode, and the under coat, the protective layer and the hard coat are not required, so that the problems of complex license process and low process yield caused by at least two or three times of coating of the existing color-changing coating are solved;
(2) The quick-change color coating has high scratch resistance, can realize quick change and fading, has excellent color changing performance, good adhesive force and ductility, and has certain strength;
(3) The quick-change color coating adopts novel organic resin which is prepared by blending tetraethoxysilane TEOS, phenyl trimethoxysilane, dimethyl dimethoxy silane, isopropanol, deionized water, glacial acetic acid and the like, has good compatibility with photochromic substances, light stabilizers and superfine glass beads, has good fluidity and uniformity, and has good wear resistance; the phenoxy naphthoquinone polymer is used as a photochromic substance, is different from the existing common photochromic substances such as spiropyran, spirooxazine and the like, has more efficient photochromic performance and has higher speed; the light stabilizer composed of 30% -50% of hindered amine light stabilizer and 50% -70% of ultraviolet light absorber is added to realize the mutual matching and fusion with the photochromic substance, so that the high efficiency and stability of the photochromic are greatly improved, and the ultraviolet light absorbing agent has the function of absorbing ultraviolet light; the ratio of the organic silicon resin to the liquid alcohol solvent is 1:1, the organic silicon resin and the liquid alcohol solvent are hydrophilic, and the liquid alcohol solvent is easy to volatilize, so that the rapid formation of a coating is facilitated;
(4) The quick-change color coating disclosed by the invention is simple in formula composition, and the processing preparation method is easy to operate, so that the quick-change color coating is beneficial to large-scale operation and mass production.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments 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.
Example 1:
in the embodiment, the fast-changing coating for the optical lens and the film comprises the following raw materials in percentage by weight: 38% of silicone resin, 38% of liquid alcohol solvent, 6% of photochromic substance, 8% of light stabilizer, 4% of antioxidant and 6% of ultra-fine glass beads;
the organic silicon resin is prepared by mixing and reacting 30 weight percent of tetraethoxysilane TEOS, 15.5 weight percent of phenyltrimethoxysilane PTMOS, 3.5 weight percent of silane coupling agent KH560, 2.5 weight percent of dimethyl dimethoxy silane, 29.5 weight percent of isopropanol, 18.5 weight percent of deionized water and 0.5 weight percent of glacial acetic acid for 6 hours;
the liquid alcohol solvent is formed by blending 50% of methanol and 50% of ethanol in percentage by mass;
the photochromic substance adopts phenoxy naphthoquinone polymer;
the light stabilizer is composed of 40% of hindered amine light stabilizer and 60% of ultraviolet absorber, wherein the ultraviolet absorber is ultraviolet absorber UV-O;
the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:2;
the superfine glass beads are borosilicate glass beads with the average particle diameter of 0.05um formed after grinding; the particle size of the ultra-fine glass beads is in the range of 0.03um to 0.08um;
a preparation method of a quick-change color coating for optical lenses and films comprises the following steps:
s1, preparing organic silicon resin: the preparation method comprises the steps of putting 30% tetraethoxysilane TEOS, 15.5% phenyltrimethoxysilane PTMOS, 3.5% silane coupling agent KH560, 2.5% dimethyl dimethoxy silane, 29.5% isopropanol, 18.5% deionized water and 0.5% glacial acetic acid in a three-neck flask, and carrying out blending reaction for 6 hours at the temperature of 33 ℃ at the stirring speed of 800 r/min;
s2, mixing a liquid alcohol solvent accounting for 38 percent of the total weight with the corresponding prepared organic silicon resin accounting for 38 percent of the total weight, heating to 35 ℃, and stirring for 30min at 1200r/min to dissolve the organic silicon resin in the liquid alcohol solvent;
s3, adding the photochromic substance accounting for 6 percent of the total weight, the light stabilizer accounting for 8 percent, the antioxidant accounting for 4 percent and the superfine glass beads accounting for 6 percent, and continuously stirring for 1 hour to dissolve and mix uniformly to obtain the quick-change coating;
s4, the obtained quick-change color coating is subjected to 0.1cm at 25 ℃ under the environment of 35% humidity 2 The speed of/s is coated or dipped on an optical lens or a film, the specific embodiment is selected as a raw lens of the glasses, and a photochromic layer is formed after the liquid alcohol solvent volatilizes;
the obtained eyeglass lens coated with the color-changing coating has a reversible photochromic function, and can be darkened in sunlight and fade in a room. Irradiating the obtained original glasses with ultraviolet lamp for 1 min, immediately testing with a Japanese Shimadzu U-2600 spectrophotometer, wherein the visible light transmittance of the glasses is 12.8%, and after indoor 3min, the visible light transmittance of the glasses is 81.5%, and the glasses are recovered to be close to the original ground color, and have excellent color change performance; the original eyeglass lens coated with the color-changing coating is tested for the friction resistance of the eyeglass lens according to QBT2410-2008 standard, the initial haze is 0.76, the haze of the eyeglass lens after 1000 times of friction is 1.12, and the abrasion resistance is excellent; the measured surface hardness reaches 4H-4 grade, and the tensile strength is 76Mpa.
Example 2:
in the embodiment, the fast-changing coating for the optical lens and the film comprises the following raw materials in percentage by weight: 30% of organic silicon resin, 30% of liquid alcohol solvent, 8% of photochromic substance, 10% of light stabilizer, 7% of antioxidant and 15% of ultra-fine glass beads;
the organic silicon resin is prepared by mixing and reacting 30 weight percent of tetraethoxysilane TEOS, 15.5 weight percent of phenyltrimethoxysilane PTMOS, 3.5 weight percent of silane coupling agent KH560, 2.5 weight percent of dimethyl dimethoxy silane, 29.5 weight percent of isopropanol, 18.5 weight percent of deionized water and 0.5 weight percent of glacial acetic acid for 6 hours;
the liquid alcohol solvent is ethanol;
the photochromic substance adopts phenoxy naphthoquinone polymer;
the light stabilizer is composed of 30% of hindered amine light stabilizer and 70% of ultraviolet absorber, wherein the ultraviolet absorber is ultraviolet absorber UV-O;
the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:2;
the superfine glass beads are borosilicate glass beads with the average particle diameter of 0.05um formed after grinding; the particle size of the ultra-fine glass beads is in the range of 0.03um to 0.08um;
a preparation method of a quick-change color coating for optical lenses and films comprises the following steps:
s1, preparing organic silicon resin: the preparation method comprises the steps of putting 30% tetraethoxysilane TEOS, 15.5% phenyltrimethoxysilane PTMOS, 3.5% silane coupling agent KH560, 2.5% dimethyl dimethoxy silane, 29.5% isopropanol, 18.5% deionized water and 0.5% glacial acetic acid in a three-neck flask, and carrying out blending reaction for 6 hours at the temperature of 33 ℃ at the stirring speed of 800 r/min;
s2, mixing 30 percent of liquid alcohol solvent with the total weight percentage with the corresponding prepared organic silicon resin with the total weight percentage of 30 percent, heating to 35 ℃, and stirring for 30min at 1200r/min to dissolve the organic silicon resin in the liquid alcohol solvent;
s3, adding the photochromic substance, the light stabilizer, the antioxidant and the ultra-fine glass beads which account for 10 percent of the total weight percent, and stirring for 1h continuously to dissolve and mix uniformly to obtain the quick-change coating;
s4, the obtained quick-change color coating is subjected to 0.1cm at 25 ℃ under the environment of 35% humidity 2 The speed of/s is coated or dipped on an optical lens or a film, the specific embodiment is selected as a raw lens of the glasses, and a photochromic layer is formed after the liquid alcohol solvent volatilizes;
irradiating the obtained original lens with ultraviolet lamp for 1 min, and immediately testing with a Japanese Shimadzu U-2600 spectrophotometer, wherein the visible light transmittance of the lens is 10.5%; after the indoor glass lens is tested for 2 minutes, the visible light transmittance is 80.7%, the glass lens is restored to be close to the original ground color, and the color-changing performance is excellent; the original eyeglass lens coated with the color-changing coating is tested for the friction resistance of the eyeglass lens according to QBT2410-2008 standard, the initial haze is 0.79, the haze of the eyeglass lens after 1000 times of friction is 1.13, and the abrasion resistance is excellent; the measured surface hardness reaches 4H-5 level, and the tensile strength is 78Mpa.
Example 3:
in the embodiment, the fast-changing coating for the optical lens and the film comprises the following raw materials in percentage by weight: 48% of silicone resin, 48% of liquid alcohol solvent, 0.5% of photochromic substance, 0.5% of light stabilizer, 1.5% of antioxidant and 1.5% of ultra-fine glass beads;
the organic silicon resin is prepared by mixing and reacting 30 weight percent of tetraethoxysilane TEOS, 15.5 weight percent of phenyltrimethoxysilane PTMOS, 3.5 weight percent of silane coupling agent KH560, 2.5 weight percent of dimethyl dimethoxy silane, 29.5 weight percent of isopropanol, 18.5 weight percent of deionized water and 0.5 weight percent of glacial acetic acid for 6 hours;
the liquid alcohol solvent is ethanol;
the photochromic substance adopts phenoxy naphthoquinone polymer;
the light stabilizer is composed of 40% of hindered amine light stabilizer and 60% of ultraviolet absorber, wherein the ultraviolet absorber is ultraviolet absorber UV-O;
the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:2;
the superfine glass beads are borosilicate glass beads with the average particle diameter of 0.05um formed after grinding; the particle size of the ultra-fine glass beads ranges from 0.03um to 0.08um.
A preparation method of a quick-change color coating for optical lenses and films comprises the following steps:
s1, preparing organic silicon resin: the preparation method comprises the steps of putting 30% tetraethoxysilane TEOS, 15.5% phenyltrimethoxysilane PTMOS, 3.5% silane coupling agent KH560, 2.5% dimethyl dimethoxy silane, 29.5% isopropanol, 18.5% deionized water and 0.5% glacial acetic acid in a three-neck flask, and carrying out blending reaction for 6 hours at the temperature of 33 ℃ at the stirring speed of 800 r/min;
s2, mixing the liquid alcohol solvent accounting for 48 percent of the total weight with the organic silicon resin accounting for 48 percent of the total weight, heating to 35 ℃, and stirring for 30min at 1200r/min to dissolve the organic silicon resin in the liquid alcohol solvent;
s3, adding the photochromic substance accounting for 0.5 percent of the total weight, the light stabilizer accounting for 0.5 percent of the total weight, the antioxidant accounting for 1.5 percent of the total weight and the ultra-fine glass beads accounting for 1.5 percent of the total weight, and continuously stirring for 1 hour to dissolve and mix uniformly to obtain the quick-change coating;
s4, wetting the obtained quick-change color coating at 25 DEG CAt a temperature of 35%, 0.1cm 2 The speed of/s is coated or dipped on an optical lens or a film, the specific embodiment is selected as a raw lens of the glasses, and a photochromic layer is formed after the liquid alcohol solvent volatilizes;
irradiating the obtained original glasses with ultraviolet lamp for 1 min, immediately testing with Japanese Shimadzu U-2600 spectrophotometer, wherein the visible light transmittance of the glasses is 15.3%, and after indoor 4 min, the visible light transmittance of the glasses is 86.3%, and the glasses is recovered to be close to original ground color, and has excellent color change performance; the original eyeglass lens coated with the color-changing coating is tested for the friction resistance of the eyeglass lens according to QBT2410-2008 standard, the initial haze is 0.72, the haze of the eyeglass lens after 1000 times of friction is 1.03, and the abrasion resistance is excellent; the measured surface hardness reaches 4H-4 grade, and the tensile strength is 73Mpa.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The quick-change color coating for the optical lenses and the films is characterized by comprising the following raw materials in percentage by weight: 30% -48% of organic silicon resin, 30% -48% of liquid alcohol solvent, 0.1% -10% of photochromic substance, 0.1% -12% of light stabilizer, 1% -8% of antioxidant and 1% -15% of superfine glass beads.
2. The fast color changing coating for optical lenses and films according to claim 1, wherein the fast color changing coating is prepared from the following raw materials in percentage by weight: 35-40% of organic silicon resin, 35-40% of liquid alcohol solvent, 1-8% of photochromic substance, 1-10% of light stabilizer, 2-6% of antioxidant and 3-12% of superfine glass beads.
3. The fast color changing coating for optical lenses and films according to claim 2, wherein the raw materials for preparing the fast color changing coating and the weight percentages thereof are further optimized: 38% of silicone resin, 38% of liquid alcohol solvent, 6% of photochromic substance, 8% of light stabilizer, 4% of antioxidant and 6% of ultra-fine glass beads.
4. The quick change coating for optical lenses and films according to claim 1, wherein the silicone resin is prepared by blending 30% tetraethoxysilane, 15.5% phenyltrimethoxysilane, 3.5% silane coupling agent, 2.5% dimethyldimethoxysilane, 29.5% isopropyl alcohol, 18.5% deionized water and 0.5% glacial acetic acid by weight for 6 hours.
5. The fast color changing coating for optical lenses, films according to claim 1, wherein the liquid alcohol solvent is methanol and/or ethanol.
6. The fast color changing coating for optical lenses and films according to claim 1, wherein said photochromic substance is a phenoxy naphthoquinone polymer.
7. The fast color changing coating for optical lenses, films according to claim 1, wherein the light stabilizer is comprised of 30% -50% of hindered amine light stabilizer and 50% -70% of ultraviolet absorber, the ultraviolet absorber is UV-O.
8. The fast changing color coating for optical lenses and films according to claim 1, wherein the antioxidant is formed by mixing antioxidant 1010 and antioxidant 168 according to the weight ratio of 1:3-1:1.
9. The rapid color-changing coating for optical lenses and films according to claim 1, wherein the ultra-fine glass beads are borosilicate glass beads with an average particle diameter of 0.05um formed after grinding; the particle size of the ultra-fine glass beads ranges from 0.03um to 0.08um.
10. A method for preparing a fast changing colour coating for optical lenses, films according to any one of claims 1-9, comprising the steps of:
s1, preparing organic silicon resin: the preparation method comprises the steps of putting 30% tetraethoxysilane TEOS, 15.5% phenyltrimethoxysilane PTMOS, 3.5% silane coupling agent KH560, 2.5% dimethyl dimethoxy silane, 29.5% isopropanol, 18.5% deionized water and 0.5% glacial acetic acid in a three-neck flask, and carrying out blending reaction for 6 hours at the temperature of 32-35 ℃ at the stirring speed of 800 r/min;
s2, mixing 30-48% of liquid alcohol solvent by weight percentage with 30-48% of organic silicon resin by weight percentage correspondingly prepared, heating to 35 ℃, and stirring for 30min at 1200r/min to dissolve the organic silicon resin in the liquid alcohol solvent;
s3, adding 0.1% -10% of photochromic substances, 0.1% -12% of light stabilizer, 1% -8% of antioxidant and 1% -15% of ultra-fine glass beads which are corresponding to the total weight percentage, and continuously stirring for 1h to dissolve and mix uniformly to obtain the quick-change color coating;
s4, the obtained quick-change color coating is subjected to the environment of 18-28 ℃ and humidity of 30-55 percent at 0.02cm 2 /s-0.2cm 2 And/s is coated or dipped on the optical lens or the film, and a photochromic layer is formed after the liquid alcohol solvent volatilizes.
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| CN117402360A (en) * | 2023-12-15 | 2024-01-16 | 荣耀终端有限公司 | Polysiloxane, hardening layer composition, display module protective film, display module, display panel and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117402360A (en) * | 2023-12-15 | 2024-01-16 | 荣耀终端有限公司 | Polysiloxane, hardening layer composition, display module protective film, display module, display panel and electronic equipment |
| CN117402360B (en) * | 2023-12-15 | 2024-05-07 | 荣耀终端有限公司 | Polysiloxane, hardening layer composition, display module protective film, display module, display panel and electronic equipment |
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