CN109608861B - Selective filtering material capable of completely filtering blue and violet light - Google Patents
Selective filtering material capable of completely filtering blue and violet light Download PDFInfo
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- CN109608861B CN109608861B CN201910047873.0A CN201910047873A CN109608861B CN 109608861 B CN109608861 B CN 109608861B CN 201910047873 A CN201910047873 A CN 201910047873A CN 109608861 B CN109608861 B CN 109608861B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention discloses a selective light filtering material capable of completely filtering blue-violet light, which belongs to the technical field of optical materials and comprises resin master batches, blue light absorbent and auxiliary agents, wherein the cut-off wavelength is randomly adjusted by adjusting the thickness of the material, the variety, the addition proportion and the addition amount of the blue light additive, and is controlled between 480 and 520nm, so that the blue-violet light can be completely filtered. The prepared filtering material can completely meet the requirement of filtering blue and violet light, and can adjust the filtering cutoff wavelength according to the requirement of customers.
Description
Technical Field
The invention relates to an organic polymer material, in particular to a selective light filtering material capable of completely filtering blue-violet light, belonging to the technical field of optical materials.
Background
The PCB factory, the microelectronic factory, the printing factory, the IC semiconductor electronic factory, the liquid crystal panel factory and the like mostly adopt a photoetching and chemical etching method to print fine circuits on a specific substrate, the existing photoetching technology mainly adopts ultraviolet photoetching, and if a common white light lamp tube or a fluorescent lamp tube containing ultraviolet rays and blue light is adopted for illumination, the curing process of photoresist is influenced, the edge of the fine circuit etched by a circuit board is blurred, and the quality of products or the quality of printing and plate making is seriously reduced.
In order to prevent the blue and violet light emitted by the lighting lamp tube from influencing the ultraviolet photoetching process, all factories using ultraviolet photoetching must use the lamp tube without the blue and violet light for lighting, so as to avoid the interference of the blue and violet light.
Many yellow light tubes on the market can only filter partial blue-violet light, cannot meet the requirement of completely filtering the blue-violet light, and cannot adjust the filtering cutoff wavelength according to the requirement of customers.
Disclosure of Invention
The invention mainly aims to solve the problems that the filter material in the prior art can only filter partial blue-violet light, cannot meet the requirement of completely filtering the blue-violet light and cannot adjust the filtering cutoff wavelength according to the requirement of a client, and provides a selective filter material capable of completely filtering the blue-violet light.
The purpose of the invention can be achieved by adopting the following technical scheme:
the selective light filtering material capable of completely filtering blue and violet light consists of resin mother particle 95.0-99.9 wt%, blue light absorbent 0.01-3.00 wt% and assistant 0.01-2.0 wt%, and through regulating the composition and amount of the blue light absorbent, the cut-off wavelength of the light filtering material is controlled to be 480-520nm and the blue and violet light before the cut-off wavelength is filtered completely.
The resin master batch is selected from one of polycarbonate, polystyrene, polymethyl methacrylate, polypropylene resin and polyethylene terephthalate.
The blue light absorbent is selected from one or more of bismuth vanadate, benzimidazolone yellow HG, benzimidazolone orange HL, Claumofta orange GP and Elgargin DPP orange.
Electrons in the blue light absorbers can be excited by high-energy light, the absorption wavelength is moved to a blue light region by reducing the excitation energy of the electrons, each blue light absorber has stronger blue-violet light absorption capacity, the excitation of the electrons is reduced by compounding a plurality of blue light absorbers, the absorption wavelength is moved to a long wave direction, and the cut-off wavelength of the filter material is continuously adjustable between 480 and 520nm by adjusting different compounding combinations, changing the addition amount and adjusting the thickness of the material.
The auxiliary agent comprises one or more of light stabilizer, antioxidant, halogen-free flame retardant and light diffusant.
The light stabilizer is UV-531 (2-hydroxy-4-n-octyloxybenzophenone), UV-3346 (poly { (6-morpholinyl-5-triazine-2, 4-diyl) (2,2,6, 6-tetramethylpiperidyl) imido hexamethylene [ (2,2,6, 6-tetramethylpiperidyl) -imido ] }), one or more of UV-1164(2- (4, 6-bis (2, 4-dimethylphenyl) -1,3, 5-triazin-2-yl) -5-octyloxyphenol) and UV-320(2- (2H-benzotriazol-2-yl) -4, 6-bis (1, 1-dimethylethyl) phenol) in an amount of 0.1-0.5% of the total amount.
The antioxidant is one or more of antioxidant-1010 (pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate), antioxidant-1076 (n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate) and antioxidant-168 (tris [ 2.4-di-tert-butylphenyl ] phosphite), and the addition amount is 0.1-0.5% of the total amount.
The halogen-free flame retardant is one or more of phosphorus flame retardants, aromatic sulfonate flame retardants, silicon flame retardants, boron flame retardants and the like, and the addition amount of the halogen-free flame retardant is 0.05-1.0% of the total amount.
The light diffusion agent is at least one of organosilicon light diffusion agent and acrylic acid light diffusion agent, and the addition amount is 0.4-1.0% of the total amount.
The antioxidant is formed by compounding antioxidant-1010 and antioxidant-168 according to the ratio of 1: 1; the halogen-free flame retardant is one or more of sodium trichlorobenzene sulfonate STB, FR-2025 and X-40-9805, and the total amount of the halogen-free flame retardant is 0.05-1.0%; the light diffusion agent is one or more of KMP-590, DF20A0 and KM-506, and the total amount of the light diffusion agent is 0.4-1.0%.
The invention has the beneficial technical effects that:
the invention adjusts the cut-off wavelength by adjusting the thickness of the material and the type, the adding proportion and the adding amount of the blue light absorbent, controls the wavelength between 480 and 520nm, and can completely filter the blue-violet light.
Drawings
FIG. 1 shows the filtering effect of three samples on the same light source;
FIG. 2 is a comparison of spectra before and after filtering by PC filter material with thickness of 0.8mm and 0.9 mm;
FIG. 3 shows the spectral contrast before and after filtering by PC filter material for completely filtering blue-violet light below 500 nm.
Detailed Description
The present invention will be described in further detail below in order to make the technical solutions of the present invention more clear and definite to those skilled in the art, but the embodiments of the present invention are not limited thereto.
Example 1:
the selective filter material capable of completely filtering blue-violet light provided in this embodiment 1 is a PC filter material capable of completely filtering blue-violet light below 490nm, and includes the following raw materials by weight: 98 parts of polycarbonate, 0.3 part of blue light absorbent (0.3 part of benzimidazolone orange HL in the scheme, 0.2 part of benzimidazolone orange HL in the scheme, 0.1 part of Klumoftalr orange GP in the scheme, 0.15 part of benzimidazolone orange HL in the scheme, 0.1 part of Klumoftalr orange GP in the scheme, 0.05 part of Izoda DPP orange), 10100.2 parts of antioxidant, 1680.2 parts of antioxidant, UV-5310.3 parts of light stabilizer, X-40-98050.5 parts of halogen-free flame retardant and KMP-5900.5 parts of light diffusant;
in this embodiment 1, the selective filter material capable of completely filtering blue-violet light is prepared as follows: firstly, placing polycarbonate in a forced air drier at 150 ℃ for drying for one and a half hours, then weighing the raw materials according to the formula, adding the raw materials into a high-speed mixer for stirring for 30 minutes to obtain a uniformly mixed material, conveying the uniformly mixed material into a double-screw extruder, and carrying out melt mixing extrusion to prepare light-filtering PC material particles, wherein the particles can be extruded and molded by the double-screw extruder to prepare a sample plate with the thickness of 0.8 mm;
in this embodiment 1, through tests, the sample plate added with three blue light absorbers has the best filtering effect, can completely filter blue-violet light below 490nm, and the sample plate added with one blue light absorber has the worst filtering effect, because the complex combination of the blue light absorbers is favorable for forming a synergistic effect, so that the excitation energy of electrons is further reduced, and the sample plate has the effect of 1+1>2, the absorption wavelength moves towards the long-wave direction, and the blue light absorption rate is improved, and the filtering effects of the three sample plates on the same light source are shown in fig. 1.
Example 2:
the selective filter material capable of completely filtering blue-violet light provided in this embodiment 2 is a PC filter material capable of completely filtering blue-violet light below 495nm, and includes the following raw materials by weight: 98 parts of polycarbonate, 0.2 part of blue light absorbent (0.05 part of bismuth vanadate, 0.15 part of benzimidazolone yellow HG), 10100.2 parts of antioxidant, 1680.2 parts of antioxidant, UV-5310.3 parts of light stabilizer, X-40-98050.5 parts of halogen-free flame retardant and KMP-5900.6 parts of light diffusant;
in this embodiment 2, the selective filter material capable of completely filtering blue-violet light is prepared as follows: firstly, placing polycarbonate in a forced air drier at 150 ℃ for drying for one and a half hours, then weighing the raw materials according to the formula, adding the raw materials into a high-speed mixer for stirring for 30 minutes to obtain a uniformly mixed material, conveying the uniformly mixed material into a double-screw extruder, and carrying out melt mixing extrusion to prepare light-filtering PC material particles, wherein the particles can be extruded and molded by the double-screw extruder to prepare a T8 lampshade with the thickness of 0.8mm and 0.9 mm;
in this embodiment 2, it is tested that blue-violet light with a wavelength below 495nm can be completely filtered, and the thicker the material is, the longer the cut-off wavelength is, the better the filtering effect is, and the spectra before and after filtering are shown in fig. 2.
Example 3:
the selective filter material capable of completely filtering blue-violet light provided in this embodiment 3 is a PC filter material capable of completely filtering blue-violet light below 500nm, and includes the following raw materials by weight: 98 parts of polycarbonate, 0.3 part of blue light absorbent (0.15 part of Clomegatal orange GP, 0.1 percent of benzimidazolone orange HL and 0.05 part of benzimidazolone yellow HG), 10100.25 parts of antioxidant, 1680.25 parts of antioxidant, UV-33460.15 parts of light stabilizer, UV-3200.15 parts of halogen-free flame retardant X-40-98050.1 parts, FR-20250.2 parts and DF20A00.6 parts of light diffusant;
in this embodiment 2, the selective filter material capable of completely filtering blue-violet light is prepared as follows: firstly, placing polycarbonate in a forced air drier at 150 ℃ for drying for one and a half hours, then weighing the raw materials according to the formula, adding the raw materials into a high-speed mixer for stirring for 30 minutes to obtain a uniformly mixed material, conveying the uniformly mixed material into a double-screw extruder, and carrying out melt mixing extrusion to prepare filtering PC material particles, wherein the particles can be extruded and molded by the double-screw extruder to prepare a 0.8mm T8 lampshade;
in this example 3, blue-violet light with a wavelength of 500nm or less can be completely filtered by the test, and the spectrum before and after filtering is shown in fig. 3.
The filter material prepared by the invention can arbitrarily adjust the cut-off wavelength by adjusting the thickness of the material, the type, the addition ratio and the addition amount of the blue-light absorbent, and the cut-off wavelength is controlled to be between 480 and 520nm, so that the blue-violet light can be completely filtered, and the cut-off wavelength can be adjusted according to the requirements of customers.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (7)
1. The selective filter material capable of completely filtering blue-violet light is characterized by comprising 95.0-99.9% of resin master batch, 0.01-3.00% of blue light absorbent and 0.01-2.0% of auxiliary agent, wherein the thickness of the filter material is adjusted to be 0.8mm, the blue light absorbent comprises 0.15 parts of benzimidazolone orange HL, 0.1 part of Claumutal orange GP and 0.05 part of Elegal DPP orange in addition, the cut-off wavelength of the filter material is controlled to be within 480-520nm, the blue-violet light before the cut-off wavelength is completely filtered, the auxiliary agent comprises one or more of a light stabilizer, an antioxidant, a halogen-free flame retardant and a light diffuser, the light diffuser is at least one of an organic silicon light diffuser and an acrylic light diffuser, and the addition amount is 0.4-1.0% of the total amount.
2. The selective filter material for completely filtering blue-violet light according to claim 1, wherein the resin master is one selected from the group consisting of polycarbonate, polystyrene, polymethylmethacrylate, polypropylene resin and polyethylene terephthalate.
3. The selective filter material as claimed in claim 1, wherein electrons in the blue-light absorber can be excited by high-energy light, the absorption wavelength can be shifted to the blue region by reducing the excitation energy of the electrons, each of the blue-light absorbers has a strong ability to absorb blue-violet light, the blue-light absorbers are compounded to reduce the excitation of electrons, the absorption wavelength is shifted to the long wavelength direction, and the cut-off wavelength of the filter material can be continuously adjusted between 480-520nm by adjusting different compounding combinations, changing the addition amount and adjusting the material thickness.
4. The selective filter material for completely filtering blue-violet light as claimed in claim 1, wherein the light stabilizer is one or more of UV-531, UV-3346 and UV-1164, and is added in an amount of 0.1-0.5% by weight.
5. The selective filter material capable of completely filtering bluish violet light of claim 1, wherein the antioxidant is one or more of antioxidant-1010, antioxidant-1076 and antioxidant-168, and the addition amount is 0.1-0.5% of the total amount.
6. The selective filter material of claim 1, wherein the halogen-free flame retardant is one or more of phosphorus flame retardants, aromatic sulfonate flame retardants, silicon flame retardants, and boron flame retardants, and the amount of the halogen-free flame retardants is 0.05-1.0% of the total amount.
7. The selective filter material capable of completely filtering bluish violet light of claim 1, wherein the antioxidant is a combination of antioxidant-1010 and antioxidant-168 in a ratio of 1: 1; the halogen-free flame retardant is one or more of sodium trichlorobenzene sulfonate STB, FR-2025 and X-40-9805, and the total amount of the halogen-free flame retardant is 0.05-1.0%; the light diffusion agent is one or more of KMP-590, DF20A0 and KM-506, and the total amount of the light diffusion agent is 0.4-1.0%.
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| CN201910047873.0A CN109608861B (en) | 2019-01-18 | 2019-01-18 | Selective filtering material capable of completely filtering blue and violet light |
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| CN201910047873.0A CN109608861B (en) | 2019-01-18 | 2019-01-18 | Selective filtering material capable of completely filtering blue and violet light |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110272617A (en) * | 2019-06-27 | 2019-09-24 | 横店集团得邦工程塑料有限公司 | A kind of extrusion grade anti-blue light LED light diffusion composite material and preparation method and application |
| CN110564094A (en) * | 2019-09-12 | 2019-12-13 | 伍家轩 | Blue light prevention material, preparation method thereof and blue light prevention lamp element |
| CN111333345B (en) * | 2020-03-09 | 2021-06-18 | 上海大学 | Application of blue light prevention film, blue light prevention diaphragm and preparation method and application thereof |
| CN115594963A (en) * | 2021-07-07 | 2023-01-13 | 常熟卓辉光电科技股份有限公司（Cn） | Selective light absorption material and process for preparing diffusion plate by using same |
| CN113801455B (en) * | 2021-08-23 | 2022-12-06 | 金发科技股份有限公司 | PC resin material with neutral light filtering effect and preparation method and application thereof |
| CN113845741A (en) * | 2021-10-11 | 2021-12-28 | 常州市巨雄光电科技有限公司 | Material for increasing light diffusion of acrylic lamp shade and processing method and equipment thereof |
| CN115784610A (en) * | 2022-11-29 | 2023-03-14 | 南京华生皓光电科技有限公司 | Glass tube for UVB ultraviolet fluorescent lamp for liquid crystal alignment process and application |
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| TW207008B (en) * | 1989-07-20 | 1993-06-01 | Toppan Printing Co Ltd | |
| CN101747688A (en) * | 2008-12-04 | 2010-06-23 | 昆山市世名科技开发有限公司 | Water-based pigment preparation matter for crystal soil coloring |
| CN205535353U (en) * | 2016-04-01 | 2016-08-31 | 南京华生皓光电科技有限公司 | Take clean lamp of LED of optical filtering function |
| CN107686642A (en) * | 2017-09-14 | 2018-02-13 | 东莞市安塑亿高分子材料科技有限公司 | A kind of material that may filter that blue light and preparation method thereof |
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2019
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW207008B (en) * | 1989-07-20 | 1993-06-01 | Toppan Printing Co Ltd | |
| CN101747688A (en) * | 2008-12-04 | 2010-06-23 | 昆山市世名科技开发有限公司 | Water-based pigment preparation matter for crystal soil coloring |
| CN205535353U (en) * | 2016-04-01 | 2016-08-31 | 南京华生皓光电科技有限公司 | Take clean lamp of LED of optical filtering function |
| CN107686642A (en) * | 2017-09-14 | 2018-02-13 | 东莞市安塑亿高分子材料科技有限公司 | A kind of material that may filter that blue light and preparation method thereof |
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