CN113502454A - Camera lens film-coating silk-screen printing method - Google Patents
Camera lens film-coating silk-screen printing method Download PDFInfo
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- CN113502454A CN113502454A CN202110828510.8A CN202110828510A CN113502454A CN 113502454 A CN113502454 A CN 113502454A CN 202110828510 A CN202110828510 A CN 202110828510A CN 113502454 A CN113502454 A CN 113502454A
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007888 film coating Substances 0.000 title claims abstract description 18
- 238000009501 film coating Methods 0.000 title claims abstract description 18
- 238000007747 plating Methods 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 60
- 229910052681 coesite Inorganic materials 0.000 claims description 30
- 229910052906 cristobalite Inorganic materials 0.000 claims description 30
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- 235000012239 silicon dioxide Nutrition 0.000 claims description 30
- 229910052682 stishovite Inorganic materials 0.000 claims description 30
- 229910052905 tridymite Inorganic materials 0.000 claims description 30
- 210000002381 plasma Anatomy 0.000 claims description 12
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 9
- 239000012965 benzophenone Substances 0.000 claims description 9
- 229910052746 lanthanum Inorganic materials 0.000 claims description 9
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 claims description 7
- 229940073608 benzyl chloride Drugs 0.000 claims description 7
- XTLZRWNIJGNTCE-UHFFFAOYSA-N (2-ethoxyphenyl) prop-2-enoate Chemical compound CCOC1=CC=CC=C1OC(=O)C=C XTLZRWNIJGNTCE-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 6
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
- -1 polydimethylsiloxane Polymers 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 6
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 29
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000005281 excited state Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003666 anti-fingerprint Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002576 ketones Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 150000003512 tertiary amines Chemical group 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/10—Glass or silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/401—Oxides containing silicon
- C23C16/402—Silicon dioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
Abstract
The invention discloses a camera lens film coating silk-screen printing method, which comprises the following steps: step 1: plating an AR film on the back surface of the lens; step 2: plating an AF film on the front surface of the lens; and step 3: carrying out plasma bombardment on the back surface of the lens; step 4; and carrying out silk-screen printing treatment on the back surface of the lens. The invention has the beneficial effects that: the camera lens prepared by the coating silk-screen method has high ink adhesion.
Description
Technical Field
The invention relates to a camera lens, in particular to a camera lens film-coating silk-screen printing method.
Background
With the development of smart phones, camera functions become more and more important reference bases for people to select mobile phones. The lens of the camera is an important part for realizing the camera function of the mobile phone.
In the production process of the camera lens, the lens needs to be subjected to film coating treatment and silk-screen printing treatment in sequence. The coating treatment is to coat an AR film and an AF film on the surface of the lens in sequence. The AR coating is used for reducing reflection of light and enabling the light to pass through to the maximum extent, so that the quality of the image pickup is guaranteed. The AF film is plated to prevent sweat from contaminating the surface of the lens and affecting light transmission through the lens.
However, after the film plating treatment, the dyne value of the lens surface is reduced, which affects the adhesion of the ink during the silk-screen printing treatment, and even the ink on the lens naturally falls off, and needs to be improved.
Disclosure of Invention
The invention aims to provide a camera lens film-coating silk-screen printing method. The camera lens prepared by the coating silk-screen method has high ink adhesion.
The technical purpose of the invention is realized by the following technical scheme:
a camera lens film coating silk-screen printing method comprises the following steps:
step 1: plating an AR film on the back surface of the lens;
step 2: plating an AF film on the front surface of the lens;
and step 3: carrying out plasma bombardment on the back surface of the lens;
step 4; and carrying out silk-screen printing treatment on the back surface of the lens.
The invention is further configured to: step1 and step2 are both carried out in a vacuum environment, and step3 is carried out in a normal pressure environment.
The invention is further configured to: and 3, the working gas bombarded by the plasmas in the step3 is air, the air flow is 90-110Sccm, the ICP power is 3-5KW, and the time is 50-70 s.
The invention is further configured to: the step1 comprises the following steps:
step 1: plating a SiO2 film layer on the back surface of the lens in a vacuum environment;
step 2: plating a lanthanum titanate film layer on the surface of the SiO2 film layer in a vacuum environment;
step 3: plating a SiO2 film layer on the surface of the lanthanum titanate film layer in a vacuum environment;
step 4: repeating the steps 2 and 3 twice under vacuum environment.
The invention is further configured to: the film layer structure of the AR film plated in the step1 is sequentially SiO2/H4/SiO2/H4/SiO2/H4/SiO2 from the side close to the lens to the side far away from the lens, wherein SiO2 represents a SiO2 film layer, and H4 represents a lanthanum titanate film layer; the thickness of the film layer structure of the AR film plated in the step1 is 14.4/12.7/47/47/13.8/75.6/70 in nm from the side close to the lens to the side far from the lens.
The invention is further configured to: vacuum levels of 3.0 × 10 at steps 1, 2, 3 and 4-3Pa, temperature 300 ℃.
The invention is further configured to: the step4 comprises the following steps:
s1: pouring the printing ink into the gauze;
s2: transferring the ink from the screen to the back of the lens with a squeegee;
s3: and drying the ink on the lens.
The invention is further configured to: the ink comprises the following components in parts by weight:
40-50 parts of polyester acrylate
10-20 parts of epoxy acrylate
10-20 parts of ethoxy phenol acrylate
3-8 parts of benzophenone
3-6 parts of methyl glycol amine
1-2 parts of 2, 6-di-tert-butyl cresol
1-2 parts of rutile type titanium dioxide
1-2 parts of polydimethylsiloxane oil
1-3 parts of benzyl chloride.
The invention is further configured to: the preparation method of the ink comprises the following steps:
uniformly mixing 40-50 parts of polyester acrylate, 10-20 parts of epoxy acrylate, 10-20 parts of ethoxy phenol acrylate and 1-2 parts of polydimethylsiloxane;
II, adding 1-2 parts of 2, 6-di-tert-butyl cresol, 1-2 parts of rutile titanium dioxide and 1-3 parts of benzyl chloride according to parts by weight, and uniformly mixing;
and III, finally adding 3-8 parts of benzophenone and 3-6 parts of methyl glycol amine according to parts by weight, and uniformly mixing.
The invention is further configured to: the step2 comprises the following steps: all vacuum degrees are 3.0 x 10-3Pa, and plating an AF film on the front surface of the lens in an environment with the temperature of 300 ℃.
In conclusion, the invention has the following beneficial effects:
1. the AF film is collectively called a high-transmittance anti-fingerprint film. When the AR film and the AF film are plated, the AR film is plated before the AF film. When the AF film is plated, molecules of the AF film are diffracted to the surface of the AR film which is already plated, so that the dyne value of the AR film is reduced. The functional group of the AF film molecule is-CH 2-CF3, and the AF film molecule on the surface of the AR film generates a vacant bond through ion bombardment, so that the back surface of the lens is activated, the dyne value is improved, and the adhesive force of the printing ink is improved. Therefore, before the screen printing treatment is carried out on the back surface of the lens, the AF film molecules attached to the AR film are damaged by carrying out plasma bombardment on the back surface of the lens, so that the adhesive force of the printing ink is improved;
2. when the AR film and the AF film are plated, the lens is in a vacuum environment. If plasma bombardment is performed on the back surface of the lens to destroy AF film molecules attached to the AR film, the plasma bombardment is also performed in a vacuum environment, resulting in an increased demand for a vacuum environment and an increased production cost. More importantly, plasma bombardment in a vacuum environment can destroy the properties of the AF film on the front surface of the lens, such as the hydrophobic and oleophobic properties of the AF film, due to diffraction of ions and molecules. Therefore, the back surface of the lens is subjected to plasma bombardment in a normal-pressure environment, so that the cost can be reduced, the influence on the performance of an AF (AF) film can be avoided, the dyne value of the back surface of the lens is finally improved, and the adhesive force of ink is improved;
3. the main component of the lens is SiO2, the side of the film layer structure of the AR film closest to the lens is also a SiO2 film layer, and meanwhile, the film layer structure of the AR film is internally provided with a plurality of SiO2 film layers, so that the expansion coefficients of the AR film and the lens are close, the bonding strength of the AR film and the lens is enhanced, and the stress between the AR film and the lens when the temperature becomes high is reduced;
4. the polyester acrylate and the epoxy acrylate are prepolymers and are main substances for forming films after the ink is cured. The properties of the prepolymer directly affect the properties of the ink, such as adhesion, hardness, flexibility, etc. after curing of the ink. The prepolymer has high molecular weight and high viscosity;
5. ethoxy phenol acrylate is a diluent monomer. The viscosity of the prepolymer is higher, and the viscosity of the ink can be reduced by adding the diluting monomer;
6. benzophenone is a hydrogen abstraction type photoinitiator, and if it is used alone, it cannot photopolymerize an olefin monomer. If benzophenone is used in combination with an alcohol ether, oxygen readily quenches the excited benzophenone upon extraction of hydrogen atoms from the alcohol and ether. The benzophenone and the methyl glycol amine are used together, hydrogen atoms are extracted from the methyl glycol amine, and the ketone forms an excited state complex compound with the amine immediately after forming the excited state, so that the energy transfer to oxygen molecules is avoided, and the quenching by oxygen is not easy;
7. the methyl glycol amine is colorless or dark yellow oily liquid, can be mixed and dissolved with water and alcohol, and is slightly soluble in ether;
8. 2, 6-di-tert-butyl cresol can make the ink more stable;
9. the rutile titanium dioxide has compact crystal structure, stability, small optical activity, good weather resistance and higher covering power;
10. the polydimethylsiloxane oil is used as a defoaming agent, so that the leveling property of the printing ink can be improved, and shrinkage cavities are prevented;
11. methyl glycol amine is tertiary amine, and can react with benzyl chloride to generate quaternary ammonium salt, so as to form positive charge with larger particle size. And the AF film on the back of the lens can generate vacant bonds after being bombarded by plasma, so that quaternary ammonium salt generated by methyl glycol amine and benzyl chloride can easily generate stronger intermolecular force with the AF film on the back of the lens, thereby enhancing the adhesive force of the ink.
Detailed Description
Examples 1 to 5 are for explaining the components of the ink. The compositions of the inks of examples 1 to 5 are shown in Table 1.
TABLE 1, EXAMPLES 1-5 ink composition tables
Note: the unit "parts" means parts by weight.
The following describes the preparation of the ink in detail with reference to table 1.
A preparation method of the ink comprises the following steps:
uniformly mixing polyester acrylate, epoxy acrylate, ethoxy phenol acrylate and polydimethylsiloxane oil according to parts by weight;
II, adding 2, 6-di-tert-butyl cresol, rutile titanium dioxide and benzyl chloride according to the parts by weight, and uniformly mixing;
and III, finally adding the benzophenone and the methyl glycol amine according to the parts by weight, and uniformly mixing.
Examples 6 to 10 are for explaining a camera coating screen printing method.
A camera lens film coating silk-screen printing method comprises the following steps:
step 1: plating an AR film on the back surface of the lens;
step 2: plating an AF film on the front surface of the lens;
and step 3: carrying out plasma bombardment on the back surface of the lens;
step 4; and carrying out silk-screen printing treatment on the back surface of the lens.
Wherein the step1 comprises the following steps:
the step1 comprises the following steps:
step 1: all vacuum degrees are 3.0 x 10-3Pa, plating a SiO2 film layer on the back surface of the lens in a vacuum environment at the temperature of 300 ℃;
step 2: all vacuum degrees are 3.0 x 10-3Pa, plating a lanthanum titanate film layer on the surface of the SiO2 film layer in a vacuum environment at the temperature of 300 ℃;
step 3: all vacuum degrees are 3.0 x 10-3Pa, plating a SiO2 film layer on the surface of the lanthanum titanate film layer in a vacuum environment at the temperature of 300 ℃;
step 4: all vacuum degrees are 3.0 x 10-3Pa, and repeating Step2 and Step3 twice at the temperature of 300 ℃ in a vacuum environment.
The film layer structure of the AR film plated in the step1 is sequentially SiO2/H4/SiO2/H4/SiO2/H4/SiO2 from the side close to the lens to the side far away from the lens. Wherein SiO2 represents SiO2 film layer, H4 represents lanthanum titanate film layer. The thickness of the film layer structure of the AR film plated in the step1 is 14.4/12.7/47/47/13.8/75.6/70 in nm from the side close to the lens to the side far from the lens.
The step2 comprises the following steps:
all vacuum degrees are 3.0 x 10-3Pa, and plating an AF film on the front surface of the lens in an environment with the temperature of 300 ℃.
And step3 is carried out in a normal pressure environment, the working gas bombarded by the plasma is air, the air flow is 90-110Sccm, the ICP power is 3-5KW, and the time is 50-70 s.
The step4 comprises the following steps:
s1: pouring the printing ink into the gauze;
s2: transferring the ink from the screen to the back of the lens with a squeegee;
s3: and drying the ink on the lens.
TABLE 2, EXAMPLES 6-10 parameter tables
Adhesion test
The inks on the lenses obtained in examples 6 to 10 were tested with reference to GB/T13217.7-2009 test method for liquid ink adhesion fastness
Table 3, examples 6-10 lens ink adhesion test record table
| Example 6 | Example 7 | Example 8 | Example 9 | Example 10 | |
| Fastness to adhesion | 100％ | 100％ | 100％ | 100％ | 100％ |
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A camera lens film coating silk-screen printing method is characterized by comprising the following steps: the method comprises the following steps:
step 1: plating an AR film on the back surface of the lens;
step 2: plating an AF film on the front surface of the lens;
and step 3: carrying out plasma bombardment on the back surface of the lens;
step 4; and carrying out silk-screen printing treatment on the back surface of the lens.
2. The camera lens film-coating silk-screen printing method according to claim 1, which is characterized in that: step1 and step2 are both carried out in a vacuum environment, and step3 is carried out in a normal pressure environment.
3. The camera lens film-coating silk-screen printing method according to claim 1, which is characterized in that: and 3, the working gas bombarded by the plasmas in the step3 is air, the air flow is 90-110Sccm, the ICP power is 3-5KW, and the time is 50-70 s.
4. The camera lens film-coating silk-screen printing method according to claim 1, which is characterized in that: the step1 comprises the following steps:
step 1: plating a SiO2 film layer on the back surface of the lens in a vacuum environment;
step 2: plating a lanthanum titanate film layer on the surface of the SiO2 film layer in a vacuum environment;
step 3: plating a SiO2 film layer on the surface of the lanthanum titanate film layer in a vacuum environment;
step 4: repeating the steps 2 and 3 twice under vacuum environment.
5. The camera lens film-coating silk-screen printing method according to claim 4, which is characterized in that: the film layer structure of the AR film plated in the step1 is sequentially SiO2/H4/SiO2/H4/SiO2/H4/SiO2 from the side close to the lens to the side far away from the lens, wherein SiO2 represents a SiO2 film layer, and H4 represents a lanthanum titanate film layer; the thickness of the film layer structure of the AR film plated in the step1 is 14.4/12.7/47/47/13.8/75.6/70 in nm from the side close to the lens to the side far from the lens.
6. The camera lens film-coating silk-screen printing method according to claim 4, which is characterized in that: vacuum levels of 3.0 × 10 at steps 1, 2, 3 and 4-3Pa, temperature 300 ℃.
7. The camera lens film-coating silk-screen printing method according to claim 1, which is characterized in that: the step4 comprises the following steps:
s1: pouring the printing ink into the gauze;
s2: transferring the ink from the screen to the back of the lens with a squeegee;
s3: and drying the ink on the lens.
8. The camera lens film-coating silk-screen printing method according to claim 1, which is characterized in that: the ink comprises the following components in parts by weight:
40-50 parts of polyester acrylate
10-20 parts of epoxy acrylate
10-20 parts of ethoxy phenol acrylate
3-8 parts of benzophenone
3-6 parts of methyl glycol amine
1-2 parts of 2, 6-di-tert-butyl cresol
1-2 parts of rutile type titanium dioxide
1-2 parts of polydimethylsiloxane oil
1-3 parts of benzyl chloride.
9. The camera lens film-coating silk-screen printing method according to claim 8, which is characterized in that: the preparation method of the ink comprises the following steps:
uniformly mixing 40-50 parts of polyester acrylate, 10-20 parts of epoxy acrylate, 10-20 parts of ethoxy phenol acrylate and 1-2 parts of polydimethylsiloxane;
II, adding 1-2 parts of 2, 6-di-tert-butyl cresol, 1-2 parts of rutile titanium dioxide and 1-3 parts of benzyl chloride according to parts by weight, and uniformly mixing;
and III, finally adding 3-8 parts of benzophenone and 3-6 parts of methyl glycol amine according to parts by weight, and uniformly mixing.
10. The camera lens film-coating silk-screen printing method according to claim 1, which is characterized in that: the step2 comprises the following steps: all vacuum degrees are 3.0 x 10-3Pa, and plating an AF film on the front surface of the lens in an environment with the temperature of 300 ℃.
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