CN105585917A - Water-based light diffusion coating and preparation method thereof - Google Patents
Water-based light diffusion coating and preparation method thereof Download PDFInfo
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- CN105585917A CN105585917A CN201510953981.6A CN201510953981A CN105585917A CN 105585917 A CN105585917 A CN 105585917A CN 201510953981 A CN201510953981 A CN 201510953981A CN 105585917 A CN105585917 A CN 105585917A
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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
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- 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
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- 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
- C09D7/65—Additives macromolecular
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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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of LEDs, in particular to a water-based light diffusion coating. The coating is prepared from 20-30 parts of water-based polyacrylic acid resin, 15-20 parts of high temperature resistance organic silicon resin, 5-15 parts of a light diffusion agent, 3-7 parts of an emulsifying agent, 1-1.5 parts of a defoaming agent, 2-7 parts of inorganic pigment, 3-5 parts of an active additive, 2-4 parts of a dispersing agent and 5-15 parts of a mixed solvent. According to the water-based light diffusion coating, the problems of LED lamp glare, light pollution and the like are solved, the light source is uniform, soft and full, the light permeability and light scattering performance are good, the cooling effect is good, and the service life is long.
Description
Technical field
The present invention relates to LED technical field, particularly a kind of water-based light diffusion coating and preparation method thereof.
Background technology
LED is spot light, and it needs there is the lampshade that pair light spreads and light transmittance is good during as lamp light source more, just can avoid glare problem. Glass lamp shade is current the most conventional lampshade, glass has good light transmittance, but its during as LED lampshade glare problem also particularly serious, for this reason, in prior art, most solvent-borne type light diffusion coating that adopts applies glass lamp shade, it is surperficial therein that (outer surface also can, but easily because wearing and tearing come off, how not adopt) formation light diffusion coating, make the light that LED light source sends that refraction and scattering occur, diffuse to form soft light, but this paint organic solvent content is high, volatile quantity is large, injury human body and serious environment pollution; And it is combustible and explosive articles, produce and transportation in have very large potential safety hazard. Certainly, also have some two-component coatings, but the coating that two-component coating prepares must disposable being finished, otherwise easily causing waste. Therefore, water paint is more and more subject to the favor in market. But the coating of water-based light diffusion at present uses ethanol or other volatile organic matter as diluent more, this makes existing water paint have the problem of VOC (organic volatile), can bring equally potential safety hazard; And current water-based light diffusion coating do not have good solution to the problem of dazzle, light transmission rate is low, and easily reveals the exact details.
Summary of the invention
The object of the invention is to defect and deficiency for prior art, a kind of water-based light diffusion coating is provided, the invention solves water paint and have VOC, and LED glass lamp LED point light source light-emitting, produce the problem of dazzle, be coated on LED glass shell, can make light that refraction and scattering occur, thereby realize uniformly light-emitting, the glare problem of eliminating point light source light-emitting, security performance is high.
For achieving the above object, the present invention is by the following technical solutions:
A kind of water-based light diffusion coating of the present invention, its formula is as follows: aqueous polyacrylamide acid resin 20-30 part, high-temperature resistant organic silicon resin 15-20 part, light diffusing agent 5-15 part, emulsifying agent 3-7 part, defoamer 1-1.5 part, inorganic pigment 2-7 part, active adjuvant 3-5 part, dispersant 2-4 part and mixed solvent 5-15 part.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is the one in titanium dioxide, barium sulfate, lithopone or talcum powder.
Described dispersant is at least one in calgon, sodium pyrophosphate, tertiary sodium phosphate.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is the one in nano barium sulfate, calcium carbonate, silica
In described formula, also comprise coalescents, described coalescents 5-10 part, described coalescents is at least one in propane diols, ethylene glycol, alcohol ester 12 coalescents or 2-Butoxyethyl acetate.
In described formula, also comprise diluent, described diluent 5-15 part, described diluent is made up of butanone, toluene and cyclohexanone, butanone 30-34%, toluene 15-17%, cyclohexanone 49-55%.
Beneficial effect of the present invention is: the invention provides a kind of water-based light diffusion coating, solved the problems such as the dazzle of LED lamp, light pollution, its light source is even, soft, full, has good photopermeability, light scattering, good heat dissipation effect, long service life.
Detailed description of the invention
The present invention is further illustrated below.
Embodiment 1:
A kind of water-based light diffusion coating, its formula is as follows: 5 parts of 20 parts of aqueous polyacrylamide acid resins, 15 parts of high-temperature resistant organic silicon resins, 5 parts of light diffusing agents, 3 parts of emulsifying agents, 1 part of defoamer, 2 parts of inorganic pigments, 3 parts of active adjuvants, 2 parts of dispersants and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is titanium dioxide.
Described dispersant is calgon.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is nano barium sulfate.
Embodiment 2:
A kind of water-based light diffusion coating, its formula is as follows: 15 parts of 30 parts of aqueous polyacrylamide acid resins, 20 parts of high-temperature resistant organic silicon resins, 15 parts of light diffusing agents, 7 parts of emulsifying agents, 1.5 parts of defoamers, 7 parts of inorganic pigments, 5 parts of active adjuvants, 4 parts of dispersants and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is barium sulfate.
Described dispersant is sodium pyrophosphate.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is calcium carbonate.
Embodiment 3
A kind of water-based light diffusion coating, its formula is as follows: 10 parts of 25 parts of aqueous polyacrylamide acid resins, 17 parts of high-temperature resistant organic silicon resins, 10 parts of light diffusing agents, 5 parts of emulsifying agents, 1.2 parts of defoamers, 5 parts of inorganic pigments, 4 parts of active adjuvants, 3 parts of dispersants and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is talcum powder.
Described dispersant is tertiary sodium phosphate.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is silica.
Embodiment 4:
A kind of water-based light diffusion coating, its formula is as follows: 5 parts of 20 parts of aqueous polyacrylamide acid resins, 15 parts of high-temperature resistant organic silicon resins, 5 parts of light diffusing agents, 3 parts of emulsifying agents, 1 part of defoamer, 2 parts of inorganic pigments, 3 parts of active adjuvants, 2 parts of dispersants, 5 parts of coalescents and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is titanium dioxide.
Described dispersant is calgon.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is nano barium sulfate.
Described coalescents is propane diols.
Embodiment 5:
A kind of water-based light diffusion coating, its formula is as follows: 15 parts of 30 parts of aqueous polyacrylamide acid resins, 20 parts of high-temperature resistant organic silicon resins, 15 parts of light diffusing agents, 7 parts of emulsifying agents, 1.5 parts of defoamers, 7 parts of inorganic pigments, 5 parts of active adjuvants, 4 parts of dispersants, 10 parts of coalescents and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is barium sulfate.
Described dispersant is sodium pyrophosphate.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is calcium carbonate.
Described coalescents is ethylene glycol.
Embodiment 6
A kind of water-based light diffusion coating, its formula is as follows: 10 parts of 25 parts of aqueous polyacrylamide acid resins, 17 parts of high-temperature resistant organic silicon resins, 10 parts of light diffusing agents, 5 parts of emulsifying agents, 1.2 parts of defoamers, 5 parts of inorganic pigments, 4 parts of active adjuvants, 3 parts of dispersants, 8 parts of coalescents and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is talcum powder.
Described dispersant is tertiary sodium phosphate.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is silica.
Described coalescents is 2-Butoxyethyl acetate.
Embodiment 7:
A kind of water-based light diffusion coating, its formula is as follows: 5 parts of 20 parts of aqueous polyacrylamide acid resins, 15 parts of high-temperature resistant organic silicon resins, 5 parts of light diffusing agents, 3 parts of emulsifying agents, 1 part of defoamer, 2 parts of inorganic pigments, 3 parts of active adjuvants, 2 parts of dispersants, 5 parts of diluents and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is titanium dioxide.
Described dispersant is calgon.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is nano barium sulfate.
Described diluent is made up of butanone, toluene and cyclohexanone, butanone 30%, toluene 15%, cyclohexanone 55%.
Embodiment 8:
A kind of water-based light diffusion coating, its formula is as follows: 15 parts of 30 parts of aqueous polyacrylamide acid resins, 20 parts of high-temperature resistant organic silicon resins, 15 parts of light diffusing agents, 7 parts of emulsifying agents, 1.5 parts of defoamers, 7 parts of inorganic pigments, 5 parts of active adjuvants, 4 parts of dispersants, 15 parts of diluents and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is barium sulfate.
Described dispersant is sodium pyrophosphate.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is calcium carbonate.
Described diluent is made up of butanone, toluene and cyclohexanone, butanone 34%, toluene 17%, cyclohexanone 49%.
Embodiment 9
A kind of water-based light diffusion coating, its formula is as follows: 10 parts of 25 parts of aqueous polyacrylamide acid resins, 17 parts of high-temperature resistant organic silicon resins, 10 parts of light diffusing agents, 5 parts of emulsifying agents, 1.2 parts of defoamers, 5 parts of inorganic pigments, 4 parts of active adjuvants, 3 parts of dispersants, 10 parts of diluents and mixed solvents.
Described emulsifying agent adopts acrylic acid ester emulsion.
Described inorganic pigment is talcum powder.
Described dispersant is tertiary sodium phosphate.
Described active adjuvant is rare earth oxide.
Described defoamer is conventional water-based defoamer.
Described light diffusing agent is silica.
Described diluent is made up of butanone, toluene and cyclohexanone, butanone 33%, toluene 16%, cyclohexanone 51%.
Carry out light transmittance and mist degree test comparison for embodiment 1-9
| Test event | Light transmittance % | Mist degree % |
| Embodiment 1 | 81.1 | 80.7 |
| Embodiment 2 | 83.0 | 82.2 |
| Embodiment 3 | 82.9 | 81.7 |
| Embodiment 4 | 82.2 | 81.1 |
| Embodiment 5 | 85.1 | 81.7 |
| Embodiment 6 | 86.0 | 83.2 |
| Embodiment 7 | 85.1 | 84.7 |
| Embodiment 8 | 87.1 | 85.1 |
| Embodiment 9 | 83.1 | 82.7 |
The present invention can reach good light transmittance and mist degree, thereby can be good at meeting the requirement of GB.
The above is only preferred embodiments of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (9)
1. a water-based light diffusion coating, its formula is as follows: aqueous polyacrylamide acid resin 20-30 part, high-temperature resistant organic silicon resin 15-20 part, light diffusing agent 5-15 part, emulsifying agent 3-7 part, defoamer 1-1.5 part, inorganic pigment 2-7 part, active adjuvant 3-5 part, dispersant 2-4 part and mixed solvent 5-15 part.
2. water-based light diffusion coating as claimed in claim 1, is characterized in that: described emulsifying agent adopts acrylic acid ester emulsion.
3. water-based light diffusion coating as claimed in claim 1, is characterized in that: described inorganic pigment is the one in titanium dioxide, barium sulfate, lithopone or talcum powder.
4. water-based light diffusion coating as claimed in claim 1, is characterized in that: described dispersant is at least one in calgon, sodium pyrophosphate, tertiary sodium phosphate.
5. water-based light diffusion coating as claimed in claim 1, is characterized in that: described active adjuvant is rare earth oxide.
6. water-based light diffusion coating as claimed in claim 1, is characterized in that: described defoamer is conventional water-based defoamer.
7. water-based light diffusion coating as claimed in claim 1, is characterized in that: described light diffusing agent is the one in nano barium sulfate, calcium carbonate, silica.
8. water-based light diffusion coating as claimed in claim 1, it is characterized in that: in described formula, also comprise coalescents, described coalescents 5-10 part, described coalescents is at least one in propane diols, ethylene glycol, alcohol ester 12 coalescents or 2-Butoxyethyl acetate.
9. water-based light diffusion coating as claimed in claim 1, is characterized in that: in described formula, also comprise diluent, and described diluent 5-15 part, described diluent is made up of butanone, toluene and cyclohexanone, butanone 30-34%, toluene 15-17%, cyclohexanone 49-55%.
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| CN201510953981.6A CN105585917A (en) | 2015-12-18 | 2015-12-18 | Water-based light diffusion coating and preparation method thereof |
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| CN201510953981.6A CN105585917A (en) | 2015-12-18 | 2015-12-18 | Water-based light diffusion coating and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336757A (en) * | 2016-08-27 | 2017-01-18 | 欧振云 | Environmentally friendly water-based light diffusion coating |
| CN107245299A (en) * | 2017-07-06 | 2017-10-13 | 涌奇材料技术（上海）有限公司 | A kind of aqueous light diffusion coating and its production and use |
| CN107603456A (en) * | 2016-11-17 | 2018-01-19 | 盘锦易立凯泰新材料有限公司 | A kind of UV solidifies anti-paste light diffusion coating and preparation method thereof |
| CN108384407A (en) * | 2018-01-30 | 2018-08-10 | 华南理工大学 | A kind of high diffusing reflection baking varnish coating of nano modification and preparation method thereof |
| CN110862757A (en) * | 2019-12-06 | 2020-03-06 | 深圳职业技术学院 | Light diffusion coating, light diffusion sheet, preparation method of light diffusion sheet and backlight module |
| CN114958113A (en) * | 2022-06-24 | 2022-08-30 | 绍兴长木新材料科技有限公司 | Moisture-heat-resistant high-hardness water-based optical diffusion film coating and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336757A (en) * | 2016-08-27 | 2017-01-18 | 欧振云 | Environmentally friendly water-based light diffusion coating |
| CN107603456A (en) * | 2016-11-17 | 2018-01-19 | 盘锦易立凯泰新材料有限公司 | A kind of UV solidifies anti-paste light diffusion coating and preparation method thereof |
| CN107245299A (en) * | 2017-07-06 | 2017-10-13 | 涌奇材料技术（上海）有限公司 | A kind of aqueous light diffusion coating and its production and use |
| CN108384407A (en) * | 2018-01-30 | 2018-08-10 | 华南理工大学 | A kind of high diffusing reflection baking varnish coating of nano modification and preparation method thereof |
| CN108384407B (en) * | 2018-01-30 | 2020-09-22 | 华南理工大学 | Nano-modified high-diffuse-reflection baking varnish coating and preparation method thereof |
| CN110862757A (en) * | 2019-12-06 | 2020-03-06 | 深圳职业技术学院 | Light diffusion coating, light diffusion sheet, preparation method of light diffusion sheet and backlight module |
| CN110862757B (en) * | 2019-12-06 | 2021-07-06 | 深圳职业技术学院 | Light diffusion coating, light diffusion sheet, preparation method of light diffusion sheet and backlight module |
| CN114958113A (en) * | 2022-06-24 | 2022-08-30 | 绍兴长木新材料科技有限公司 | Moisture-heat-resistant high-hardness water-based optical diffusion film coating and preparation method thereof |
| CN114958113B (en) * | 2022-06-24 | 2024-02-23 | 绍兴长木新材料科技有限公司 | Moisture-heat-resistant high-hardness water-based optical diffusion film coating and preparation method thereof |
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Application publication date: 20160518 |
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