CN104479482A - High-transparency glass paint for LED lamp - Google Patents
High-transparency glass paint for LED lamp Download PDFInfo
- Publication number
- CN104479482A CN104479482A CN201410786983.6A CN201410786983A CN104479482A CN 104479482 A CN104479482 A CN 104479482A CN 201410786983 A CN201410786983 A CN 201410786983A CN 104479482 A CN104479482 A CN 104479482A
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- Prior art keywords
- coating
- light transmittance
- high light
- glass coating
- led high
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Classifications
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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
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
- C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- 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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- 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 discloses a high-transparency glass paint for an LED lamp. The high-transparency glass paint is prepared from an inorganic substance soil, a polymeric emulsion and auxiliaries; the viscosity of the high-transparency glass paint is regulated by use of water. According to the paint, the coating formed has a certain diffuse reflection effect on light by virtue of different refractive indexes of different substances, and therefore, the light is softer and the prepared LED lamp is high in luminous flux. Compared with the existing commercial glass tubes, the passing rate of the light is increased by 10-20%, and meanwhile, the light is more uniform. The paint contains no organic solvent and is an environment-friendly water-based coating which has no potential hazard on a human body and the environment. The coating formed after the paint is cured is secure and the detection of an X marking method indicates that the firmness of the coating is at the level 5A. Meanwhile, the coating is good in weather fastness, and does not yellow even after being continuously roasted at 200+/-1 DEG C for 500 hours and irradiated by 500W ultraviolet lamplight for 48 hours.
Description
Technical field
The present invention relates to a kind of speciality coating, particularly a kind of LED high light transmittance ratio glass coating.
Background technology
LED luminous efficiency is high, is the cold light source of high-quality, is also a kind of illuminating lamp of very energy-conserving and environment-protective, day by day welcomed by the people, replaces conventional lamp more and more.
The luminescent device of LED is LED lamp bead, during as light therethrough glass direct irradiation, because its irradiating angle is less, can produce strong dazzle.For obtaining soft comfortable light, when using Glass tubing, needing on inwall, be coated with one deck White-opalescent or semitransparent coating, diffuse-reflectance is carried out to light.
Existing LED coating, mainly contains two large classes, and wherein a class is using organic solvent if N-BUTYL ACETATE, toluene etc. are as solvent, and vinylformic acid (ester) polymkeric substance is as binding agent, and calcium carbonate, silica powder, as photodiffusion material, coordinate other auxiliary agents to form.The easy conglomeration of inorganic particle in this coating, large to the stop rate of light, light transmission is not high and uneven, and the use of organic solvent causes its feature of environmental protection poor, can cause potential harm to human body and environment.
Another kind of coating not with an organic solvent, using water-base resin if ACRYLIC EMULSION, polyoxyethylene etc. are as binding agent, adds inorganics as photodiffusion material, coordinates other auxiliary agents to form.The feature of environmental protection of this coating is relatively quite a lot of, but inorganic particle still exists the problem of resistance light of reuniting, and the transmittance of coating is still poor.
Summary of the invention
The object of the present invention is to provide a kind of LED high light transmittance ratio glass coating.
The technical solution used in the present invention is:
A kind of LED high light transmittance ratio glass coating, is made up of inorganics colloidal sol, macromolecule emulsion, auxiliary agent, its viscosity of water use regulation.
As the further improvement of above-mentioned coating, in solid content, the mass mixing ratio of inorganics colloidal sol and macromolecule emulsion is (3 ~ 4): (30 ~ 40).
As the further improvement of above-mentioned coating, inorganics colloidal sol is silica alkalinity colloidal sol or alumina sol, and the particle in colloidal sol is not more than 50 nm, without solid sediment.
As the further improvement of above-mentioned coating, macromolecule emulsion is made up of polyacrylic acid or polyacrylate dispersion, water-borne acrylic resin.In solid content, the mass mixing ratio of polyacrylic acid or polyacrylic ester and water-borne acrylic resin is (3 ~ 4): (30 ~ 35).
As the further improvement of above-mentioned coating, the second-order transition temperature of polyacrylic acid or polyacrylate dispersion is 20 ~ 30 DEG C.Not containing phenyl ring in the monomer of polyacrylic acid or polyacrylic ester.
As the further improvement of above-mentioned coating, the pH of water-borne acrylic resin is 8 ~ 9.
As the further improvement of above-mentioned coating, auxiliary agent is selected from anti-aging agent, strengthening agent, tackifier.
As the further improvement of above-mentioned coating, tackifier are selected from alkaline tackifier or CMC.
The invention has the beneficial effects as follows:
Coating of the present invention, by utilizing different substances refractive index different, make coating play certain diffuse-reflectance to light, make light more soft, the LED lamplight passband prepared is high.Compared with existing available glass pipe, light percent of pass generally improves 10 ~ 20%, and light is more even simultaneously.
Coating of the present invention not with an organic solvent, is a kind of water-borne coatings of environmental protection, to human body and environment without potential hazard.
The coating of invention, the coating after solidification is firm, and the X method detection of drawing shows that its firmness reaches 5A level.Meanwhile, the good weatherability of coating, 200 DEG C ± 1 DEG C is toasted 500 hours non yellowing continuously, and 500W UV illumination 48 h does not turn yellow.
Embodiment
A kind of LED high light transmittance ratio glass coating, is made up of inorganics colloidal sol, macromolecule emulsion, auxiliary agent, its viscosity of water use regulation.
As the further improvement of above-mentioned coating, in solid content, the mass mixing ratio of inorganics colloidal sol and macromolecule emulsion is (3 ~ 4): (30 ~ 40).
As the further improvement of above-mentioned coating, inorganics colloidal sol is silica alkalinity colloidal sol or alumina sol, and the particle in colloidal sol is not more than 50 nm, without solid sediment.
As the further improvement of above-mentioned coating, macromolecule emulsion is made up of polyacrylic acid or polyacrylate dispersion, water-borne acrylic resin.In solid content, the mass mixing ratio of polyacrylic acid or polyacrylic ester and water-borne acrylic resin is (3 ~ 4): (30 ~ 35).
As the further improvement of above-mentioned coating, the second-order transition temperature of polyacrylic acid or polyacrylate dispersion is 20 ~ 30 DEG C.Not containing phenyl ring in the monomer of polyacrylic acid or polyacrylic ester.
As the further improvement of above-mentioned coating, the pH of water-borne acrylic resin is 8 ~ 9.
As the further improvement of above-mentioned coating, auxiliary agent is selected from anti-aging agent, strengthening agent, tackifier.
As the further improvement of above-mentioned coating, tackifier are selected from alkaline tackifier or CMC.
Anti-aging agent is anti-aging agent conventional in coating industry, and its object is to prevent paint aging, can be various amine, phenolic type antioxidant, such as antioxidant 4010, antioxidant SP etc.
The effect of strengthening agent is the solidification intensity improving coating, can use and select Acrysol Ws-24.
The effect of tackifier is the viscosity improving coating, is convenient to application.Viscosity as coating is not enough, can add in right amount.Tackifier are preferably alkaline tackifier or CMC(carboxymethyl cellulose).
Below in conjunction with embodiment, further illustrate technical scheme of the present invention.
The preparation method of coating is for mix belongings.
The solid content of polyacrylic acid (ester) emulsion used is 45%, refractive index 1.50 ~ 1.54 after film forming, second-order transition temperature 25 ± 5 DEG C, and in monomer, esters of acrylic acid is greater than 95%; The solid content of water-borne acrylic resin is 20%, pH is 8 ~ 9, refractive index 1.40 ~ 1.44 after film forming.
embodiment 1:
Coating forms:
Silica alkalinity colloidal sol (solid content 30%) 10 parts;
Polyacrylic acid (ester) emulsion (solid content 45%), 70 parts;
Water-borne acrylic resin (solid content 20%) 20 parts;
Antioxidant 4010 0.5 part, strengthening agent Acrysol Ws-24 1 part, water is appropriate.
embodiment 2:
Coating forms:
Silica alkalinity colloidal sol (solid content 30%) 13 parts;
Polyacrylic acid (ester) emulsion (solid content 45%), 80 parts;
Water-borne acrylic resin (solid content 20%) 15 parts;
Antioxidant SP 0.3 part, strengthening agent Acrysol Ws-24 0.8 part, water is appropriate.
embodiment 3:
Coating forms:
Silica alkalinity colloidal sol (solid content 30%) 11.5 parts;
Polyacrylic acid (ester) emulsion (solid content 45%), 75 parts;
Water-borne acrylic resin (solid content 20%) 17 parts;
Antioxidant 4010 0.6 part, strengthening agent Acrysol Ws-24 0.9 part, water is appropriate.
performance Detection:
The coating below using embodiment 1 to prepare carries out corresponding Performance Detection.
Light percent of pass:
At Glass tubing applying coatings, coat-thickness is 0.04 ~ 0.1 mm.
Distant place company PMS-80 Spectrum testing systems is adopted to detect, for T8/18W LED (commercially available), adopt same glass pipe, test is without coating, the optical throughput applying commercially available coated material, coating coated material of the present invention respectively, and light percent of pass is calculated as follows:
(have coating fluorescent tube optical throughput/without coating fluorescent tube optical throughput) × 100%=light percent of pass
After testing, compared with existing available glass pipe, use coating of the present invention can effectively improve light percent of pass, increase rate is 10 ~ 20%.
Coating firmness:
By applying coating on a glass, coat-thickness 0.04 ~ 0.1 mm, uses a stroke X method to detect completely after solidification.After testing, the firmness of coating reaches 5A.
Weathering resistance:
By applying coating on a glass, coat-thickness 0.04 ~ 0.1mm, solidification is placed on 500W ultra violet lamp completely, and the distance of sheet glass and ultraviolet lamp is 20 cm.After testing, irradiate after 48 hours without xanthochromia; 200 DEG C after applying coatings ± 1 DEG C is toasted 500 hours continuously, and detected result display is without xanthochromia; Visible, the coating that paint solidification of the present invention obtains has excellent weathering resistance.
Claims (10)
1. a LED high light transmittance ratio glass coating, is made up of inorganics colloidal sol, macromolecule emulsion, auxiliary agent, its viscosity of water use regulation.
2. a kind of LED high light transmittance ratio glass coating according to claim 1, is characterized in that: in solid content, and the mass mixing ratio of inorganics colloidal sol and macromolecule emulsion is (3 ~ 4): (30 ~ 40).
3. a kind of LED high light transmittance ratio glass coating according to claim 2, it is characterized in that: inorganics colloidal sol is silica alkalinity colloidal sol or alumina sol, the particle in colloidal sol is not more than 50 nm, without solid sediment.
4. a kind of LED high light transmittance ratio glass coating according to Claims 2 or 3, is characterized in that: macromolecule emulsion is made up of polyacrylic acid or polyacrylate dispersion, water-borne acrylic resin.
5. a kind of LED high light transmittance ratio glass coating according to claim 4, is characterized in that: in solid content, and the mass mixing ratio of polyacrylic acid or polyacrylic ester and water-borne acrylic resin is (3 ~ 4): (30 ~ 35).
6. a kind of LED high light transmittance ratio glass coating according to claim 5, is characterized in that: the second-order transition temperature of polyacrylic acid or polyacrylate dispersion is 20 ~ 30 DEG C.
7. a kind of LED high light transmittance ratio glass coating according to claim 5 or 6, is characterized in that: not containing phenyl ring in the monomer of polyacrylic acid or polyacrylic ester.
8. a kind of LED high light transmittance ratio glass coating according to claim 5 or 6, is characterized in that: the pH of water-borne acrylic resin is 8 ~ 9.
9. a kind of LED high light transmittance ratio glass coating according to claim 1,2,3,5 or 6, is characterized in that: auxiliary agent is selected from anti-aging agent, strengthening agent, tackifier.
10. a kind of LED high light transmittance ratio glass coating according to claim 9, is characterized in that: tackifier are selected from alkaline tackifier or CMC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786983.6A CN104479482A (en) | 2014-12-18 | 2014-12-18 | High-transparency glass paint for LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786983.6A CN104479482A (en) | 2014-12-18 | 2014-12-18 | High-transparency glass paint for LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104479482A true CN104479482A (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410786983.6A Pending CN104479482A (en) | 2014-12-18 | 2014-12-18 | High-transparency glass paint for LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104479482A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566336A (en) * | 2016-10-26 | 2017-04-19 | 上海维凯光电新材料有限公司 | Water-based transparent pearlescent paint and preparation method thereof |
| CN107036979A (en) * | 2017-05-26 | 2017-08-11 | 佛山柯维光电股份有限公司 | A kind of method that quick measure silicone adhesive spreads coating matching with aqueous light |
| CN109285475A (en) * | 2018-10-19 | 2019-01-29 | 敏实汽车技术研发有限公司 | A kind of automobile luminescence scutcheon |
| CN109810601A (en) * | 2019-01-31 | 2019-05-28 | 中山市大田汽车护理用品有限公司 | A kind of car light repairs aerosol and preparation method thereof |
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| CN101117502A (en) * | 2007-08-22 | 2008-02-06 | 中国化工建设总公司常州涂料化工研究院 | Environment friendly type self-crosslinking water woodware paint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566336A (en) * | 2016-10-26 | 2017-04-19 | 上海维凯光电新材料有限公司 | Water-based transparent pearlescent paint and preparation method thereof |
| CN107036979A (en) * | 2017-05-26 | 2017-08-11 | 佛山柯维光电股份有限公司 | A kind of method that quick measure silicone adhesive spreads coating matching with aqueous light |
| CN109285475A (en) * | 2018-10-19 | 2019-01-29 | 敏实汽车技术研发有限公司 | A kind of automobile luminescence scutcheon |
| CN109810601A (en) * | 2019-01-31 | 2019-05-28 | 中山市大田汽车护理用品有限公司 | A kind of car light repairs aerosol and preparation method thereof |
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Application publication date: 20150401 |
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