WO2018101898A1 - Revêtement dur, transparent, de protection contre les uv comprenant des nanoparticules anorganiques, et verre métallisé - Google Patents

Revêtement dur, transparent, de protection contre les uv comprenant des nanoparticules anorganiques, et verre métallisé Download PDF

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Publication number
WO2018101898A1
WO2018101898A1 PCT/TR2017/050391 TR2017050391W WO2018101898A1 WO 2018101898 A1 WO2018101898 A1 WO 2018101898A1 TR 2017050391 W TR2017050391 W TR 2017050391W WO 2018101898 A1 WO2018101898 A1 WO 2018101898A1
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WO
WIPO (PCT)
Prior art keywords
protective coating
coating composition
nano
particle
anorganic
Prior art date
Application number
PCT/TR2017/050391
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English (en)
Inventor
Refika BUDAKOĞLU
Murat Akarsu
Ahmet Gencer
Original Assignee
Türki̇ye Şi̇şe Ve Cam Fabri̇kalari A.Ş.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Türki̇ye Şi̇şe Ve Cam Fabri̇kalari A.Ş. filed Critical Türki̇ye Şi̇şe Ve Cam Fabri̇kalari A.Ş.
Publication of WO2018101898A1 publication Critical patent/WO2018101898A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences

Definitions

  • the present invention relates to a transparent coating composition which provides protection against ultraviolet rays and which has high mechanical strength surfaces to which this coating composition is applied, and the preparation and application method of said composition.
  • transparent glass is light-transparent in the UV-A region, the energy of the light in this region leads to the decomposition of many organic compounds. Thus, transparent glass delimits the usage areas of transparent package products which include foodstuff.
  • the coating solutions are easily prepared by means of dissolving the UV protective organic compounds in polymer resins like acrylic, alkyd.
  • polymer resins like acrylic, alkyd.
  • the polymers used have poor resistance to UV rays, alternatively mixtures of functional silane derivatives whose UV resistance is better when compared with organic polymers are used. Since, the amount of UV protective organic compounds in the coating has been found to decrease over time, the organic coating loses its UV protection function in time.
  • compositions of food and beverages consist of various organic substances, they are easily affected by UV light. As a result of being subject to UV light, changes occur in their chemical structures and they lose their nutritive values and original tastes.
  • the oxygen in the medium changes the structure of the food and beverages and it increases the undesired effect of the UV light. Therefore, in order for the foodstuff and drinks to preserve their freshness, they shall be kept in packages which do not transmit UV light and oxygen.
  • Tetrapak package and aluminum boxes are used. Although Tetrapak packages provide UV protection and although their oxygen transmittance is low, the aluminum layer is coated with a plastic film in order to prevent foodstuff contamination and taste change which results from contact with used aluminum.
  • this plastic film prevents corrosion of aluminum. It is known that the plasticizers and Bisfenol A existing in plastic film have unfavorable effects on human health. This leads to contamination of the foodstuff and beverage, put into aluminum boxes, in time and may change the taste of the foodstuff or beverage. Since said boxes are easily subject to corrosion, the usage areas of these boxes are limited. Glass is a fairly healthy packaging material because it does not interact with the food or beverage it contains and does not allow gas input from the outside since its oxygen permeability is low. However, since transparent glass transmits UV rays, the usage of glass for food and beverages as a package is limited. In order to reduce UV transmittance of glass, color is provided to glass from batch material and thermal process is applied at high temperature. Thus, since special raw materials are used for providing UV protection to the glass from the batch, this method is an expensive method, and moreover, transparency of the glass is compromised and the glass has to be colored as green, bronze, etc.
  • the present invention relates to a transparent coating composition which provides protection against ultraviolet rays and of which the mechanical resistance is high, and the surfaces where said coating composition is applied, for eliminating the above mentioned disadvantages and for bringing new advantages to the related technical field.
  • the main object of the present invention is to provide a UV coated glass package where protection against ultraviolet rays is provided.
  • Another object of the present invention is to provide a UV coated glass package which transmits daylight. Another object of the present invention is to provide a UV coated glass package of which the mechanical resistance is high.
  • Another object of the present invention is to provide a UV coated glass package of which the chemical resistance is high.
  • the present invention is a UV protective coating composition which is in colloidal form and developed by means of sol-gel method in order to be applied onto a glass package. Accordingly, said invention is characterized by comprising at least one type of anorganic nano-particle therein, at least one type of silan embodiment wherein said anorganic nano-particles are doped, at least one type of solvent and at least one type of surface active substance which provides homogeneous distribution on the surface where the composition is applied.
  • the anorganic nano-particle is at least one of Ti0 2 , ZnO and Ce0 2 .
  • the subject matter composition is a composition applied by means of spraying method onto the glass surface.
  • the anorganic nano-particle source comprises at least one of titanium (IV) etoxide, titanium (IV) isopropoxide, titanium (IV) butoxide, titanium (IV) chloride, titanium based alkoxides or salts, zinc sulphate, zinc acetate, zinc chloride, zinc based slats, cerium oxide aqueous dispersion.
  • the subject matter composition comprises titanium (IV) isopropoxide.
  • the subject matter composition comprises zinc chloride.
  • the silan embodiment where the anorganic nano-particles are to be doped it comprises at least one of 3-glycidoxypropyltrietoxysilane, 3-glycidoxypropyltrimetoxysilane, 3-metacryloxypropylmetoxysilane, 3- metacryloxypropyltrietoxysilane, epoxy and/or acrylate functional cross binding silane.
  • the subject matter composition comprises 3- glycidoxypropyltriethoxysilan.
  • the subject matter composition comprises at least one of 1 -methoxy-2-propanol and butyl glycol.
  • the subject matter composition comprises poly-ether modified polydimethylsilan.
  • the amount of surface active substance in the total UV protective coating composition is between 0.20 and 0.80% by weight.
  • the particle dimension of the Ti0 2 nano-particle provided in the subject matter composition is between 2 and 20 nm.
  • the particle dimension of the Ce0 2 nano-particle provided in the subject matter composition is between 2 and 20 nm.
  • the particle dimension of the ZnO nano-particle provided in the subject matter composition is between 15 and 50 nm.
  • the amount of the anorganic nano-particle amount doped into the silan embodiment is 5-35% of the total weight.
  • the present invention is a coated glass package to whose surface a UV protective coating composition, given in Claim 1 and which is in colloidal structure, is applied. Accordingly, said Tuv value is at most 30%.
  • Tv value is at least 85%. In another preferred embodiment of the invention, Te value is at least 81 %.
  • the coating thickness is between 1 .0 and 1 .5 micrometers.
  • the pencil hardness value of the coating is between 6H and 9H.
  • the adhesion of the coating to the glass surface is 5B.
  • the present invention is a UV protective coating composition production method which is in colloidal structure given above. Accordingly, said method is characterized by comprising the steps of:
  • step (d) Adding surface active substance to the UV protective coating composition.
  • step (a) as the nano-particle source, at least one of titanium (IV) etoxide, titanium (IV) isopropoxide, titanium (IV) butoxide, titanium (IV) chloride, titanium based alkoxides or salts, zinc sulphate, zinc acetate, zinc chloride, zinc based salts, cerium oxide aqueous dispersion is used.
  • step (b) as the silan embodiment where the anorganic nano-particles are to be doped, it comprises at least one of 3- glycidoxypropyltrietoxysilane, 3-glycidoxypropyltrimetoxysilane, 3-metacryloxypropylmetoxy- silane, 3-metacryloxypropyltrietoxysilane, epoxy and/or acrylate functional cross binding silane.
  • step (c) as the solvent, it comprises at least one of 1 -metoxy-2-propanol and butyl glycol.
  • step (d) as the surface active substance, polyether modified poly-dimethyl-silan based materials are used.
  • step (a) at least one of Ti0 2 or ZnO or Ce0 2 is mixed and diluted with at least one type of alcohol and completely dissolved.
  • step (a) the diluted anorganic nano-particle is waited in a back-cooler in at least 60 S C and for at least 1 hour.
  • step (a) acid and water is added into the solution after diluting for obtaining Ti0 2 nano-particle.
  • the proportion of mole acid/mole titanium used is between 0.30 - 0.70%.
  • step (a) for obtaining ZnO nano-particle aqueous sodium hydroxide solution is added into the solution after dilution.
  • the silan binding system comprising Si0 2 nano- particles used in step (b), has 43-48% solid ingredient.
  • the doping amount of at least one of Ti0 2 or Ce0 2 or ZnO nano-particles into the silane binding system solution comprising Si0 2 nano-particles is between 5 and 35% by weight.
  • the present invention is the application method of the coating composition, obtained by means of the abovementioned method, onto a glass package. Accordingly, spraying is realized such that the gun vertical speed is 50 mm/second onto the glass package surface and such that the glass package rotation speed is 90 rev/minutes.
  • UV protective coating solution which is to be applied onto the glass package, is obtained by means of sol-gel method, and said UV protective coating solution comprises anorganic nano- particles.
  • the UV protective coating solution comprising the obtained anorganic nano-particle, glass, ceramic, etc. structures can be coated by using methods like immersion, spraying, sputtering, etc. In the preferred application, spraying method is used.
  • UV protective coating solution comprises at least one type of anorganic nano-particle, at least one type of silan embodiment which is the sol medium where said anorganic nano-particles are to be doped and at least one type of solvent.
  • at least one type of surface active substance can be added into the coating solution in order to provide dispersion in a homogeneous manner on the surface where preferably the UV protective coating solution is applied.
  • the surface active substance preferably polyether modified poly-dimethyl-silan is used.
  • solvent at least one of 1 -methoxy-2-propanol (PM) and butyl-glycol or a mixture of these with the pre-calculated proportion is used.
  • At least one of Ti0 2 , ZnO and Ce0 2 nano-particles is used as the anorganic substance.
  • Ti0 2 nano-particles are used as anorganic substance, at least one of titanium-based alcoxides or salts like titanium (IV) etoxide, titanium (IV) isopropoxide, titanium (IV) butoxide, titanium (IV) chloride is used or the mixture of some of them at a pre-calculated proportion for synthesis of the Ti0 2 nano-particles is used.
  • titanium (IV) isopropoxide is used.
  • ZnO nano-particles are used as the anorganic substance
  • at least one of zinc salts like zinc sulphate, zinc acetate, zinc chloride is used for the synthesis of the ZnO nano- particles or the mixture of some of them at a pre-calculated proportion is used.
  • zinc chloride is used.
  • Ce0 2 nano-particles are used as the anorganic substance
  • at least one of Ce0 2 dispersions is used for the synthesis of Ce0 2 nano-particles.
  • At least one of epoxy or acrylate functional cross binding silane like 3-glycidoxy-propyl-tri-etoxy-silane (GLYEO), 3-glycidoxypropyltrimetoxysilane (GLYMO), 3-metacryloxypropyltrimetoxysilane (MPTS), 3-metacryloxypropyltrietoxysilane (MPTES) is used or the mixture of some of them at a pre-calculated proportion is used.
  • GLYEO 3- glycidoxypropyltrietoxysilane
  • Si0 2 nano-particle mixtures are used for increasing mechanical resistance of the system.
  • the nano-particle selected from Ti0 2 or ZnO or Ce0 2 is synthesized/prepared, and afterwards, the particles are added to the silan binding system comprising Si0 2 nano-particles and they are diluted by means of solvents in a compliant manner to the coating method.
  • titanium (IV) isopropoxide used for the synthesis of Ti0 2 nano- particles, is diluted in an alcohol medium like dehydrated ethyl alcohol. After the dilution process, the titanium (IV) isopropoxide, existing in ethyl alcohol, is stirred in a strong manner in the magnetic stirrer, and meanwhile, acid catalyst and water needed for hydrolysis are respectively added thereon, and the water is preferably added drop by drop.
  • the acid catalyst at least one of an acid with anorganic properties like HN0 3 , HCI is used.
  • the prepared solution is fixed back to the cooler mechanism and it is held for 12-20 hours in the temperature range of 75 and 1 10 S C, and particle formation is provided. In the preferred application, the prepared solution is subjected to the back cooler mechanism in the temperature range of 80 and 105 S C. More preferably, the prepared solution is subjected to back cooler mechanism in the temperature range of 85 and 95 S C.
  • the mole proportion of the used anorganic acids like nitric and/or hydrochloric acid to the used titanium compound; the proportion of the mole acid/mole titanium compound is between 0.30 and 0.70. In the preferred application, the proportion of mole acid/mole titanium compound is between 0.35 and 0.65. More preferably, the proportion of mole acid/mole titanium compound is between 0.40 and 0.60.
  • the mole proportion of the used water to the used titanium compound; the mole water/mole titanium compound proportion is between 0.50 and 3.00. In the preferred application, mole water/mole titanium compound proportion is between 1 .00 and 2.80. More preferably, mole water/mole titanium compound proportion is between 1 .50 and 2.50.
  • the mole alcohol/mole titanium compound proportion is between 0.60 and 2.80. In the preferred application, mole alcohol/mole titanium compound proportion is between 1 .20 and 2.50. More preferably, mole alcohol/mole titanium compound proportion is between 1 .80 and 2.20.
  • At least one of mineral acids like hydrochloric acid, nitric acid or mixtures with pre-calculated proportion can be used as the abovementioned acid catalyst.
  • hydrochloric acid is used as the acid catalyst.
  • zinc chloride is diluted in ethylene glycol medium.
  • the diluted zinc chloride solution is fixed to the back cooler mechanism, and zinc chloride is completely dissolved in the temperature range of 30 and 70 S C.
  • Aqueous sodium hydroxide solution is prepared in a separate vessel and it is added drop by drop onto the zinc solution completely dissolved which is stirred in the magnetic stirrer and it is mechanically stirred.
  • the pH of the solution is adjusted to the range of 7.8 and 13.0 by adding sodium hydroxide. In the preferred application, the pH of the solution is adjusted to the range of 8.2 and 12.0. More preferably, the pH of the solution is adjusted to the range of 8.5 and 1 1 .0.
  • the prepared solution is fixed again to the back cooler mechanism and it is kept for time range of 1 and 4 hours in the temperature range of 60 and 100 S C, and formation of the ZnO nano-particles is provided.
  • the prepared solution is subjected to back cooling mechanism in the temperature range between 75 and 85 S C.
  • Ce0 2 dispersions which comprise 2.5% acetic acid for the synthesis of Ce0 2 nano-particles.
  • the used Ce0 2 dispersions are obtained from the company Sigma-Aldrich.
  • the changes, which occur in the particle dimension depending on the hydrolysis and condensation duration and depending on the used acid/base catalyst amount, are monitored by means of the particle dimension analyzer.
  • the particle dimensions of the particles to be used in coating systems are between 2 nm and 20 nm for Ti0 2 and Ce0 2 .
  • the particle dimensions for Ti0 2 and Ce0 2 are between 5 nm and 15 nm. More preferably, the particle dimensions for Ti0 2 and Ce0 2 are between 8 nm and 12 nm.
  • the particle dimension for ZnO is between 15 and 50 nm. In the preferred application, the particle dimension for ZnO is preferably between 22 and 40 nm. More preferably, the particle dimension for ZnO is between 28 and 35 nm.
  • GLYEO 3-glycidoxypropyltrietoxysilane
  • GLYEO is mixed with aqueous dispersion of acidic Si0 2 nano-particle for increasing the mechanical characteristic of the coating.
  • Levasil 200S/30 coded product of the Obermeier Company As the acidic Si0 2 nano-particle aqueous dispersion, Levasil 200S/30 coded product of the Obermeier Company is used which has 200 m 2 /g of surface area on the average with proportion of 30% by weight in acidic aqueous medium and which is in 15 nm particle dimension on the average.
  • suitable amount of Levasil 200S/30 product is added on GLYEO weighed in a glass vessel, and the mixture is mixed in a strong manner in a mechanical stirrer for at least 6 hours. The mixture is adjusted such that 70% of the mixture is GLYEO and 30% of the mixture is Levasil. More preferably, the mixture is adjusted such that it comprises 50% of GLYEO and 50% of Levasil.
  • the proportion of the section, described as solid section and which is not evaporative and which may form film on the surface after thermal processes, is between 43 and 48%.
  • At least one of Ti0 2 or Ce0 2 or ZnO nano- particles in the range of 5 and 35% by weight is doped into the binding system solution having solid ingredient between 43 and 48%.
  • at least one of Ti0 2 or Ce0 2 or ZnO nano-particles in the range of 10 and 30% by weight is doped into the binding system solution. More preferably, at least one of Ti0 2 or Ce0 2 or ZnO nano-particles in the range of 15 and 25% by weight is doped into the binding system solution.
  • the obtained UV protective transparent coating solution whose mechanical resistance is high is diluted by means of solvents having different boiling points in a compliant manner to the coating method by means of spraying.
  • solvent 1 -metoxy-2-propanol (PM) and butyl glycol (BG) solvents whose boiling points are respectively 120°C and 171 °C are used.
  • the solvents are added such that the total solid amount of the silan binding system, where at least one of Ti0 2 or Ce0 2 or ZnO nano-particles is doped, is obtained as 15%.
  • poly- ether modified polydimethylsilane surface active agent BYK 306 is added such that its amount in the total composition is between 0.20 and 0.80% by weight, and thus, the UV protective coating composition becomes ready for being applied onto the surface.
  • polyether modified polydimethylsilane surface active agent BYK 306 is added such that its weight in the total solution is between 0.30 and 0.70%.
  • polyether modified polydimethylsilane surface active agent BYK 306 is added such that its weight in the total solution is between 0.40 and 0.60%.
  • the UV protective composition, which is the final product, is in homogeneous colloidal structure.
  • the obtained UV protective coating composition is applied onto the glass package by means of spraying method.
  • Optimum UV protective coating thickness and optimum performance are obtained by means of 50 mm/second gun vertical speed of spraying onto the glass surface of the UV protective coating composition and by means of single direction spraying settings.
  • the glass package rotates with speed 90 rev/minute.
  • the thickness of the UV coatings on the glass package is between 1 .0 and 1 .5 micrometers.
  • Table 1 Optical measurements for uncoated glass bottle and UV protective coated glass bottle comprising cerium oxide with proportion of 20%
  • the increase in the amount of nano-particle has strong unfavorable effect on hardness for UV protective coatings comprising Ce0 2 and for UV protective coatings comprising Ti0 2 and ZnO.
  • the hardness value of the UV protective coating comprising Ce0 2 or Ti0 2 or ZnO is high.
  • UV protective coating is at the highest hardness value for all of the three components.
  • the glass packages where UV protective coating solution comprising particle amount in the range of 5 and 35%, is applied have been subjected to base resistance test.
  • the base resistance test has been realized by using 0.5% Sodium Hydroxide solution by weight by means of waiting for five each minutes in stove at 65°C.
  • the results are given in Table 5.
  • the increase in the nano-particle amount decreases the chemical resistance of the UV protective coating solution.
  • the UV protection performances of the glass packages coated by means of coating composition have been realized by using bacteria.
  • the UV protection is directly proportional with the surviving bacteria proportion.
  • the survival percent of the bacteria also increases.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

La présente invention concerne une composition de revêtement de protection contre les UV sous forme colloïdale pour être appliquée sur un emballage en verre, caractérisée en ce qu'elle comprend au moins un type de nanoparticule anorganique en son sein, au moins un type de silane réalisé avec un dopage desdites nanoparticules anorganiques, au moins un type de solvant et au moins un type de substance tensioactive qui assure une distribution homogène sur la surface à laquelle est appliquée la composition.
PCT/TR2017/050391 2016-12-02 2017-08-16 Revêtement dur, transparent, de protection contre les uv comprenant des nanoparticules anorganiques, et verre métallisé WO2018101898A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2016/17722A TR201617722A2 (tr) 2016-12-02 2016-12-02 Anorgani̇k nanoparti̇küller i̇çeren saydam uv koruyucu sert kaplama ve kaplamali cam
TR2016/17722 2016-12-02

Publications (1)

Publication Number Publication Date
WO2018101898A1 true WO2018101898A1 (fr) 2018-06-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021165487A1 (fr) * 2020-02-21 2021-08-26 Nexdot Filtre bleu incolore pour récipient en verre
CN114213966A (zh) * 2021-11-30 2022-03-22 上海空间电源研究所 一种空间太阳电池阵表面用防护层及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799963A (en) * 1986-10-03 1989-01-24 Ppg Industries, Inc. Optically transparent UV-protective coatings
US5316854A (en) * 1991-12-06 1994-05-31 Ppg Industries, Inc. Glass or quartz articles having high temperature UV absorbing coatings containing ceria
US6008285A (en) * 1993-11-10 1999-12-28 Institut Fuer Neue Materialien Gemeinnuetzige Gmbh Process for the production of compounds based on silanes containing epoxy groups
US20010044020A1 (en) * 2000-04-14 2001-11-22 Steffen Hofacker Plastics stabilized with zinc oxide-containing, abrasion-resistant multilayers
US20100035067A1 (en) * 2008-08-06 2010-02-11 Ppg Industries Ohio, Inc. Tintable film-forming compositions having high refractive indices and coated optical articles using same
EP2423269A1 (fr) * 2009-04-24 2012-02-29 Fundacion Labein Procédé pour obtenir des revêtements photocatalytiques sur des substrats métalliques

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799963A (en) * 1986-10-03 1989-01-24 Ppg Industries, Inc. Optically transparent UV-protective coatings
US5316854A (en) * 1991-12-06 1994-05-31 Ppg Industries, Inc. Glass or quartz articles having high temperature UV absorbing coatings containing ceria
US6008285A (en) * 1993-11-10 1999-12-28 Institut Fuer Neue Materialien Gemeinnuetzige Gmbh Process for the production of compounds based on silanes containing epoxy groups
US20010044020A1 (en) * 2000-04-14 2001-11-22 Steffen Hofacker Plastics stabilized with zinc oxide-containing, abrasion-resistant multilayers
US20100035067A1 (en) * 2008-08-06 2010-02-11 Ppg Industries Ohio, Inc. Tintable film-forming compositions having high refractive indices and coated optical articles using same
EP2423269A1 (fr) * 2009-04-24 2012-02-29 Fundacion Labein Procédé pour obtenir des revêtements photocatalytiques sur des substrats métalliques

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021165487A1 (fr) * 2020-02-21 2021-08-26 Nexdot Filtre bleu incolore pour récipient en verre
CN114213966A (zh) * 2021-11-30 2022-03-22 上海空间电源研究所 一种空间太阳电池阵表面用防护层及其制备方法
CN114213966B (zh) * 2021-11-30 2022-12-09 上海空间电源研究所 一种空间太阳电池阵表面用防护层及其制备方法

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