CN114213001B - Glass tube for lead-free ultraviolet-transmitting lamp - Google Patents

Glass tube for lead-free ultraviolet-transmitting lamp Download PDF

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CN114213001B
CN114213001B CN202210014623.9A CN202210014623A CN114213001B CN 114213001 B CN114213001 B CN 114213001B CN 202210014623 A CN202210014623 A CN 202210014623A CN 114213001 B CN114213001 B CN 114213001B
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percent
lead
glass tube
ultraviolet
free ultraviolet
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CN114213001A (en
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林加喜
童荔霞
林大鹏
徐涛
卢德明
李胜春
宁伟
朱春江
顾沈尧
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Shanghai Luojin Photoelectric Technology Co ltd
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Shanghai Luojin Photoelectric Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/04—Opacifiers, e.g. fluorides or phosphates; Pigments
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0085—Compositions for glass with special properties for UV-transmitting glass

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Glass Compositions (AREA)

Abstract

The invention relates to a lead-free ultraviolet-transmitting glass tube for a lamp, which comprises the following raw materials in percentage by mass: na (Na) 2 6 to 14 percent of O, 0.01 to 5 percent of MgO and 0.to 5 percent of Al 2 O 3 1 to 6 percent of SiO 2 60 to 66 percent of P 2 O 5 0.01 to 1 percent of K 2 1 to 6 percent of O, 0.01 to 5 percent of CaO, 0.01 to 0.1 percent of MnO and Fe 2 O 3 0.01 to 0.5 percent of Co 3 O 4 0.01 to 1 percent, 1 to 5 percent of NiO, 0.01 to 0.1 percent of CuO, 0.01 to 0.1 percent of ZnO and Rb 2 0.01 to 0.1 percent of O, 0.1 to 2 percent of SrO and ZrO 2 0.1 to 2 percent of MoO 3 0.1 to 2 percent, 5 to 15 percent of BaO and HfO 2 0.01 to 0.1 percent, 0.01 to 1 percent of Cl and 0.01 to 0.07 percent of PbO. The lamp tube does not contain lead, fills the blank of the type of products in China, adopts the all-electric melting furnace for production, is energy-saving and environment-friendly, has good workshop labor environment and is easy to process.

Description

Glass tube for lead-free ultraviolet-transmitting lamp
Technical Field
The invention relates to the technical field of electric light sources, in particular to a glass tube for a lead-free ultraviolet-transmitting lamp.
Background
Ultraviolet-transmitting lamps are widely used in current life and industrial and agricultural production, and have widely accepted excellent and environment-friendly sterilization effects, and annual production is greatly increased. However, the traditional glass tube for the ultraviolet-transmitting lamp contains a large amount of heavy metal lead, and the scrapped lamp tube causes great harm to the environment, so that the glass tube for the lead-free ultraviolet-transmitting lamp is urgently needed to be developed, the performance and the effect of the domestic ultraviolet-transmitting fluorescent lamp can be further improved, imported products can be replaced, the utilization rate of the domestic ultraviolet-transmitting glass tube is improved, the market of the ultraviolet-transmitting fluorescent lamp is promoted, and the purposes of benefiting society and people are achieved.
The Chinese patent (application number: 201910542298.1) discloses environment-friendly high-refractive-index ultraviolet-transmitting glass and a preparation method thereof, wherein the ultraviolet-transmitting glass comprises the following components in percentage by weight: siO (SiO) 2 30-40％，B 2 O 3 0.2-15％，MgO 0-5％，CaO 6-10％，SrO 0-5％，BaO 2-10％，ZnO 1-5％，La 2 O 3 31-40％，Nb 2 O 5 0.01-2％，Ta 2 O 5 0.01-2％，CaF 2 0.01-5%, the preparation method is as follows: iron removal treatment is carried out on the main raw materials, then the raw materials are weighed according to the weight percentage of each component, ball milling and mixing are carried out on the raw materials uniformly to prepare a mixture, the mixture is heated, then the temperature is raised, the glass melt is stirred for many times in the melting process of the glass mixture, then the glass melt is taken out from a furnace and rapidly poured into a preheated heat-resistant steel mould to be poured into a specified specification, and then the environment-friendly high-refractive-index ultraviolet-transmitting glass material is obtained after annealing treatment in an annealing furnace and cooling. The invention has the advantages of environmental protection, high refractive index, high ultraviolet transmittance, proper thermal expansion coefficient, good chemical stability and simple preparation method, and has wide market application prospect.
The Chinese patent (application number: 201410594076.1) discloses a high refractive index ultraviolet-transmitting glass and a preparation method thereof, wherein the ultraviolet-transmitting glass comprises the following components in percentage by weight: siO (SiO) 2 5-15、B 2 O 3 10-25、CaO 0-5、SrO 0-5、BaO 10-50、La 2 O 3 10-50、Nb 2 O 5 5-15、Y 2 O 3 0-5、ZrO 2 0-5、TiO 2 0-5. The invention also provides a preparation method of the ultraviolet-transmitting glass, which comprises the steps of putting quartz sand, boric acid or boric anhydride, calcium carbonate, strontium carbonate, barium carbonate, lanthanum trioxide, niobium pentoxide, yttrium trioxide, zirconium oxide and titanium dioxide into a pure platinum crucible according to the batching requirement, adding a reducing agent, melting for 6-10 hours at 1400-1600 ℃, stirring for 2-3 times in the glass melting process, and casting the molten glass into specified specifications after the glass is melted. Use of ultraviolet-transmitting glass in an ultraviolet-transmitting optical fiber panel. The ultraviolet-transmitting glass has the advantages of high refractive index, high transmittance and good chemical stability.
The Chinese patent (application number: 201110269199.4) discloses a gray ultraviolet-transmitting quartz glass tube, which takes high-purity quartz sand as a basic raw material in parts by weight and is matched with 5.84-7.46% by weight of trace element additives, wherein the trace element additives consist of the following raw materials: cobalt oxide CO and cuprous oxide Cu 2 O, manganese oxide MnO, and nickel sesquioxide Ni 2 O 3 Stannous oxide SnO, potassium carbonate K 2 CO 3 Calcium fluoride CaF 2 Potassium fluosilicate K 2 SiF 6 Cerium nitrate Ce (NO) 3 ) 3 ·6H 2 O. The gray ultraviolet-transmitting quartz glass tube drawn and formed by adopting the tube wall integral coloring preparation process has the advantages of good toughness, strong pressure resistance, high softening point, no crystallization, wide light absorption range, no tube explosion after long-time working and heating, and the cut-off wavelength of the gray ultraviolet-transmitting quartz glass tube can reach 3630cm, and the transmittance is 82.0%.
Chinese patent (application number 201210040317.9) discloses a rare earth ultraviolet light-transmitting glass, which comprises the following components in percentage by weight based on oxides 2 Is 62-65% of Al 2 O 3 3-5%, B 2 O 3 22-24% of Na 2 O is 5-7%, rare earth is 0.1-1%, li 2 O is 0.1-1%, znO is 0.1-1%. The ultraviolet light transmittance of the alloy in the UVC wave band is more than 89-90%, and the alloy can be directly sealed with refractory metals (tungsten, tantalum, molybdenum, niobium, hafnium, chromium, vanadium, zirconium and titanium). It is suitable for glass bulb manufacture or optical window material of photoelectric tube, photomultiplier, ultraviolet sterilizing tube, ozone generating tube, etc.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a lead-free ultraviolet-transmitting glass tube for a lamp.
The aim of the invention is realized by the following technical scheme:
the glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 6 to 14 percent of O, 0.01 to 5 percent of MgO and 0.to 5 percent of Al 2 O 3 1 to 6 percent of SiO 2 60 to 66 percent of P 2 O 5 0.01 to 1 percent of K 2 1 to 6 percent of O, 0.01 to 5 percent of CaO, 0.01 to 0.1 percent of MnO and Fe 2 O 3 0.01 to 0.5 percent of Co 3 O 4 0.01 to 1 percent, 1 to 5 percent of NiO, 0.01 to 0.1 percent of CuO, 0.01 to 0.1 percent of ZnO and Rb 2 0.01 to 0.1 percent of O, 0.1 to 2 percent of SrO and ZrO 2 0.1 to 2 percent of MoO 3 0.1 to 2 percent, 5 to 15 percent of BaO and HfO 2 0.01 to 0.1 percent, 0.01 to 1 percent of Cl and 0.01 to 0.07 percent of PbO.
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 O is 8-12%, mgO is 1-2%, al 2 O 3 3 to 5 percent of SiO 2 Is 62 to 64 percent of P 2 O 5 0.05 to 0.09 percent, K 2 3 to 5 percent of O, 1 to 3 percent of CaO, 0.02 to 0.05 percent of MnO and Fe 2 O 3 0.1 to 0.2 percent of Co 3 O 4 0.5 to 0.9 percent, 2 to 3 percent of NiO, 0.02 to 0.04 percent of CuO, 0.02 to 0.04 percent of ZnO and Rb 2 0.05 to 0.07 percent of O, 0.7 to 1 percent of SrO and ZrO 2 0.2 to 0.5 percent of MoO 3 0.1 to 0.3 percent and BaO is 8～12％、HfO 2 0.02 to 0.05 percent, 0.1 to 0.4 percent of Cl and 0.02 to 0.05 percent of PbO.
Na of the glass tube for the lead-free ultraviolet-transmitting lamp 2 10.09% O, 1.2% MgO, and Al 2 O 3 4.14% of SiO 2 63.04%, P 2 O 5 0.09%, K 2 4.19% O, 2.06% CaO, 0.03% MnO, fe 2 O 3 0.17% Co 3 O 4 0.75%, niO 2.13%, cuO 0.02%, znO 0.03%, rb 2 0.06% of O, 0.78% of SrO and ZrO 2 0.38% MoO 3 0.16%, baO 10.38%, hfO 2 0.03%, 0.24% Cl and 0.03% PbO.
Co in the raw material components of the glass tube for the lead-free ultraviolet-transmitting lamp 3 O 4 Is introduced by nanometer cobaltosic oxide, has a spherical shape, an average particle diameter of 50nm and a purity of 99.9 percent.
NiO in the raw material components of the lead-free ultraviolet-transmitting glass tube is introduced by nickel oxide nanowires, the average length is 20 mu m, and the average diameter is 20nm.
The lead content (mass fraction) of the glass tube for the lead-free ultraviolet-transmitting lamp is less than or equal to 0.07 percent, and the average transmittance<0.1% and the maximum ultraviolet transmittance is more than 75%, and the expansion coefficient (0-300 ℃) is (93.4+/-2.0) multiplied by 10 -7 The softening point is 672+/-5 ℃ and the water resistance is not lower than HGB1 grade.
The glass tube for the lead-free ultraviolet-transmitting lamp is prepared by weighing and mixing the raw material components in percentage by mass, melting the raw material components by adopting an all-electric melting furnace, wherein the temperature of a hot spot is 1570-1590 ℃, the retention time of a hot spot area is 60-90 min, the temperature of a clarification area is 1280-1350 ℃, and the retention time of the clarification area is 120-150 min.
Co 3 O 4 Is a relatively stable strong colorant which can lead the glass to obtain bright blue with reddish color, is not influenced by atmosphere, can be used together with copper compounds to prepare blue, blue-green and green glass with uniform color tone, thereby adjusting the transmittance of the glass tube. The invention selects the nanometer cobaltosic oxide to effectively improve the conductivity of the glass tube and reduce the average permeabilityThe overrate improves the durability and chemical stability of the glass tube for long-term use.
NiO has extremely strong 3d electron-related properties and extremely high optical sensitivity, and thus has excellent optical and electrical properties that are not possessed by general oxides, such as photoelectric properties, discoloration properties, and the like. The invention selects the nickel oxide nanowire to fully utilize the characteristic, especially the nano-scale raw material, and the nickel oxide nanowire has larger specific surface area, so that more active sites are provided, the characteristic is particularly important for improving the performance of the glass tube, and the optical performance of the lamp tube can be obviously improved.
The lead content test of the invention is carried out according to the lead and cadmium leaching amount measuring method of the GB/T21170-2007 glass container.
The iron content of the invention is checked according to the GB/T1347-2008 sodium-calcium-silicon glass chemical analysis and determination method.
The average transmittance of the invention is tested according to the GB/T5433-2008 daily glass light transmittance measuring method.
The maximum ultraviolet transmittance of the invention is tested according to the GB/T5433-2008 daily glass light transmittance measuring method.
The expansion coefficient of the invention is checked according to the ejector rod method of the GB/T16535-2008 fine ceramic wire thermal expansion coefficient test method.
The softening point test of the invention is carried out according to the GBT 28195-2011 glass softening point test method.
The test of the water resistance of the invention is carried out according to the particle test method and classification of the water resistance of GB/T6582-1997 glass at 98 ℃.
Compared with the prior art, the invention has the following positive effects:
(1) The glass tube for the lead-free ultraviolet-transmitting lamp does not contain lead, and fills the blank of the type of products in China;
(2) The production is carried out by adopting the all-electric melting furnace, so that the energy is saved, the environment is protected, the workshop labor environment is good, and the processing is easy;
(3) The lamp tube has long service life, high structural strength and high corrosion resistance, and can be used for a long time under outdoor environment conditions;
(4) The key raw materials are introduced by adopting the nano-scale oxide, so that the raw material consumption can be reduced, and simultaneously, the higher performance parameter index is achieved.
Detailed Description
The following provides specific embodiments of a glass tube for a lead-free ultraviolet-transmitting lamp according to the present invention.
Example 1
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 10.09% O, 1.2% MgO, and Al 2 O 3 4.14% of SiO 2 63.04%, P 2 O 5 0.09%, K 2 4.19% O, 2.06% CaO, 0.03% MnO, fe 2 O 3 0.17% Co 3 O 4 0.75%, niO 2.13%, cuO 0.02%, znO 0.03%, rb 2 0.06% of O, 0.78% of SrO and ZrO 2 0.38% MoO 3 0.16%, baO 10.38%, hfO 2 0.03%, 0.24% Cl and 0.03% PbO.
Example 2
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 14% O, 4.62% MgO, al 2 O 3 5.2% of SiO 2 60.6% of P 2 O 5 0.05% of K 2 1.03% O, 0.01% CaO, 0.05% MnO, fe 2 O 3 0.08% Co 3 O 4 0.06%, niO 5%, cuO 0.06%, znO 0.09%, rb 2 0.1% O, 0.62% SrO, zrO 2 0.11% MoO 3 1.94%, baO 5.35%, hfO 2 0.02%, 0.94% Cl and 0.07% PbO.
Example 3
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 9% O, 2.35% MgO, al 2 O 3 1% of SiO 2 62%, P 2 O 5 0.94% of K 2 3.37% O, 0.67% CaO, 0.07% MnO, fe 2 O 3 0.45 percent,Co 3 O 4 0.44%, 1% NiO, 0.09% CuO, 0.04% ZnO and Rb 2 0.04% of O, 1.92% of SrO and ZrO 2 1.96% MoO 3 0.13%, baO 14%, hfO 2 0.04%, cl 0.45% and PbO 0.04%.
Example 4
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 6% O, 0.86% MgO, and Al 2 O 3 1.2% of SiO 2 66%, P 2 O 5 0.23% of K 2 6% O, 4.3% CaO, 0.09% MnO, fe 2 O 3 0.32% Co 3 O 4 0.97%, niO 1.66%, cuO 0.01%, znO 0.01%, rb 2 0.01% O, 0.1% SrO, zrO 2 0.16% MoO 3 1.04%, baO 10.56%, hfO 2 0.08%, 0.34% Cl and 0.06% PbO.
Example 5
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 12.01% O, 1.5% MgO, and Al 2 O 3 3% of SiO 2 61.5% P 2 O 5 0.03% of K 2 5.7% O, 3.9% CaO, 0.1% MnO, fe 2 O 3 0.5% Co 3 O 4 1%, niO 2.09%, cuO 0.04%, znO 0.06%, rb 2 0.04% of O, 1.2% of SrO and ZrO 2 0.5% MoO 3 0.5%, baO 6%, hfO 2 0.02%, 0.24% Cl and 0.07% PbO.
Example 6
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 7% O, 2.4% MgO, al 2 O 3 4% of SiO 2 64.5% of P 2 O 5 0.75% of K 2 1.2% O, 5% CaO, 0.06% MnO, fe 2 O 3 0.05% Co 3 O 4 0.05%, niO 4.76%, cuO 0.07% and ZnO 0.07％、Rb 2 0.06% of O, 1% of SrO and ZrO 2 0.7% MoO 3 0.6%, baO 7%, hfO 2 0.06%, cl 0.62% and PbO 0.05%.
Comparative example 1
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 7% O, 2.4% MgO, al 2 O 3 4% of SiO 2 64.5% of P 2 O 5 0.75% of K 2 1.2% O, 5% CaO, 0.06% MnO, fe 2 O 3 0.05% Co 3 O 4 0.05%, niO 4.76%, cuO 0.07%, znO 0.07%, rb 2 0.06% of O, 1% of SrO and ZrO 2 0.7% MoO 3 0.6%, baO 7%, hfO 2 0.06%, cl 0.62% and PbO 0.05%.
Comparative example 1 the mass percentages of the raw material components in example 6 are the same, but Co in the raw material component of comparative example 1 3 O 4 NiO is introduced from industrial grade oxide raw materials.
Comparative example 2
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 5% of O, 2.6% of MgO and 2.6% of Al 2 O 3 5% of SiO 2 68%, P 2 O 5 0.4% of K 2 2% O, 4.2% CaO, 0.05% MnO, fe 2 O 3 0.15% Co 3 O 4 0.3%, niO 3%, cuO 0.05%, znO 0.07%, rb 2 0.03% of O, 0.6% of SrO and ZrO 2 0.2% MoO 3 0.25%, baO 8%, hfO 2 0.04%, cl 0.03% and PbO 0.03%.
Comparative example 3
The glass tube for the lead-free ultraviolet-transmitting lamp comprises the following raw materials in percentage by mass: na (Na) 2 15% of O, 5% of MgO and 5% of Al 2 O 3 0.5% of SiO 2 57%, P 2 O 5 1.4% of K 2 2.98% O, 4.1% CaO, 0.06% MnO, fe 2 O 3 0.27% Co 3 O 4 0.41%, 1.5% NiO, 0.04% CuO, 0.07% ZnO and Rb 2 O is 0.02%, moO 3 0.56%, baO 11%, hfO 2 0.03%, 0.04% Cl and 0.02% PbO.
TABLE 1 glass management index for lead-free ultraviolet-transmitting lamp
The glass tube for the lead-free ultraviolet-transmitting lamp is prepared by weighing and mixing the raw material components according to the mass percentage, adopting an all-electric melting furnace to melt, wherein the temperature of a hot spot is 1570-1590 ℃, the retention time of a hot spot area is 60-90 min, the temperature of a clarification area is 1280-1350 ℃, and the retention time of the clarification area is 120-150 min.
The lead content test is carried out according to the lead and cadmium leaching amount measuring method of the GB/T21170-2007 glass container.
The iron content test is carried out according to the GB/T1347-2008 sodium-calcium-silicon glass chemical analysis and determination method.
The average transmittance of the glass is tested according to the GB/T5433-2008 daily glass light transmittance measuring method.
The maximum ultraviolet transmittance of the application is tested according to the GB/T5433-2008 daily glass light transmittance measuring method.
The expansion coefficient test is carried out according to the ejector rod method of the GB/T16535-2008 fine ceramic wire thermal expansion coefficient test method.
The softening point test of the present application was performed according to the GBT 28195-2011 glass softening point test method.
The test of the water resistance of the glass is carried out according to the particle test method and classification of the water resistance of GB/T6582-1997 glass at 98 ℃.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present invention, and are intended to be within the scope of the present invention.

Claims (6)

1. The glass tube for the lead-free ultraviolet-transmitting lamp is characterized by comprising the following raw material components in percentage by mass: na (Na) 2 6 to 14 percent of O, 0.01 to 5 percent of MgO and 0.to 5 percent of Al 2 O 3 1 to 6 percent of SiO 2 60 to 66 percent of P 2 O 5 0.01 to 1 percent of K 2 1 to 6 percent of O, 0.01 to 5 percent of CaO, 0.01 to 0.1 percent of MnO and Fe 2 O 3 0.01 to 0.5 percent of Co 3 O 4 0.01 to 1 percent, 1 to 5 percent of NiO, 0.01 to 0.1 percent of CuO, 0.01 to 0.1 percent of ZnO and Rb 2 0.01 to 0.1 percent of O, 0.1 to 2 percent of SrO and ZrO 2 0.1 to 2 percent of MoO 3 0.1 to 2 percent, 5 to 15 percent of BaO and HfO 2 0.01 to 0.1 percent, 0.01 to 1 percent of Cl and 0.01 to 0.07 percent of PbO;
Co 3 O 4 is introduced by nano cobaltosic oxide;
NiO is introduced by nickel oxide nanowires;
the glass tube for the lead-free ultraviolet-transmitting lamp is prepared by weighing and mixing the raw material components in percentage by mass, melting the raw material components by adopting an all-electric melting furnace, wherein the temperature of a hot spot is 1570-1590 ℃, the retention time of a hot spot area is 60-90 min, the temperature of a clarification area is 1280-1350 ℃, and the retention time of the clarification area is 120-150 min.
2. The glass tube for the lead-free ultraviolet-transmitting lamp according to claim 1, wherein the glass tube comprises the following raw material components in percentage by mass: na (Na) 2 O is 8-12%, mgO is 1-2%, al 2 O 3 3 to 5 percent of SiO 2 Is 62 to 64 percent of P 2 O 5 0.05 to 0.09 percent, K 2 3 to 5 percent of O, 1 to 3 percent of CaO, 0.02 to 0.05 percent of MnO and Fe 2 O 3 0.1 to 0.2 percent of Co 3 O 4 0.5 to 0.9 percent, 2 to 3 percent of NiO, 0.02 to 0.04 percent of CuO, 0.02 to 0.04 percent of ZnO and Rb 2 0.05 to 0.07 percent of O, 0.7 to 1 percent of SrO and ZrO 2 0.2 to 0.5 percent of MoO 3 0.1 to 0.3 percent, 8 to 12 percent of BaO and HfO 2 0.02 to 0.05 percent, 0.1 to 0.4 percent of Cl and 0.02 to 0.05 percent of PbO。
3. The lead-free ultraviolet-transmitting glass tube as defined in claim 1, wherein the Na of the lead-free ultraviolet-transmitting glass tube is as follows 2 10.09% O, 1.2% MgO, and Al 2 O 3 4.14% of SiO 2 63.04%, P 2 O 5 0.09%, K 2 4.19% O, 2.06% CaO, 0.03% MnO, fe 2 O 3 0.17% Co 3 O 4 0.75%, niO 2.13%, cuO 0.02%, znO 0.03%, rb 2 0.06% of O, 0.78% of SrO and ZrO 2 0.38% MoO 3 0.16%, baO 10.38%, hfO 2 0.03%, 0.24% Cl and 0.03% PbO.
4. The glass tube for a lead-free ultraviolet-transmitting lamp as defined in claim 1, wherein Co in the raw material composition of the glass tube for a lead-free ultraviolet-transmitting lamp 3 O 4 The shape of (C) was spherical, the average particle diameter was 50nm, and the purity was 99.9%.
5. The glass tube for a lead-free ultraviolet-transmitting lamp according to claim 1, wherein the average length of NiO in the raw material composition for the lead-free ultraviolet-transmitting lamp is 20 μm and the average diameter is 20nm.
6. The glass tube for a lead-free ultraviolet-transmitting lamp as defined in claim 1, wherein the glass tube for a lead-free ultraviolet-transmitting lamp has a lead content of 0.07% or less and an average transmittance<0.1 percent, the maximum ultraviolet transmittance is more than 75 percent, and the expansion coefficient is (93.4+/-2.0) multiplied by 10 -7 The softening point is 672+/-5 ℃ and the water resistance is not lower than HGB1 grade.
CN202210014623.9A 2022-01-06 2022-01-06 Glass tube for lead-free ultraviolet-transmitting lamp Active CN114213001B (en)

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CN115108720A (en) * 2022-07-15 2022-09-27 昆明理工大学 Blue-light laser induced purple color-changing glass and preparation method and optical storage application thereof
CN115180825B (en) * 2022-08-09 2023-10-10 中建材玻璃新材料研究院集团有限公司 Ultraviolet high-transmittance glass suitable for float forming and preparation method thereof
CN115784610B (en) * 2022-11-29 2024-05-28 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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