CN113105215A - Fluorescent ceramic material for illumination - Google Patents

Fluorescent ceramic material for illumination Download PDF

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Publication number
CN113105215A
CN113105215A CN202110348503.8A CN202110348503A CN113105215A CN 113105215 A CN113105215 A CN 113105215A CN 202110348503 A CN202110348503 A CN 202110348503A CN 113105215 A CN113105215 A CN 113105215A
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parts
oxide
fluorescent ceramic
ceramic material
temperature
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CN202110348503.8A
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Inventor
李佳佳
叶莉
田万英
朱向楠
潘毅
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Yangzhou Polytechnic Institute
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Yangzhou Polytechnic Institute
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Priority to CN202110348503.8A priority Critical patent/CN113105215A/en
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9646—Optical properties

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention discloses a fluorescent ceramic material for illumination, which is prepared from the following raw materials in parts by mass through a high-temperature sintering process; 50-60 parts of aluminum oxide; 10-20 parts of silicon dioxide, 5-10 parts of calcium oxide, 5-10 parts of zinc phosphate, 3-5 parts of cobalt oxide, 3-5 parts of magnesium oxide, 10-15 parts of zinc copper sulfide, 2-5 parts of yttrium oxide and 2-5 parts of boric acid. According to the invention, zinc copper sulfide and yttrium oxide are added into the raw materials, so that a better fluorescence effect can be achieved; boric acid is added into the raw materials, so that the strength of the sintered ceramic can be improved; zinc phosphate is added into the raw materials, so that the corrosion resistance of the ceramic product can be improved; the cobalt oxide is added into the raw materials, so that the ceramic product can be blue which is close to the fluorescent color, and the decorative effect is improved.

Description

Fluorescent ceramic material for illumination
Technical Field
The invention relates to the technical field of ceramic materials, in particular to a fluorescent ceramic material for illumination.
Background
The housing for the illumination lamp is generally made of plastic or stainless steel, but as the lamp is used for a long time, the plastic is easy to age, and the cost of the stainless steel material is high. The fluorescent ceramic material has decoration and can save energy during illumination, but the existing fluorescent ceramic material has the problems of monotonous color, low strength and poor corrosion resistance.
Disclosure of Invention
The invention aims to solve the problems that: the fluorescent ceramic material for lighting is provided, the strength and the corrosion resistance of the fluorescent ceramic material are improved, and meanwhile, the color of the fluorescent ceramic material is beautified, and the decorative effect is improved.
The invention is realized by the following technical scheme:
the fluorescent ceramic material for illumination is characterized by being prepared from the following raw materials in parts by mass through a high-temperature sintering process; 50-60 parts of aluminum oxide; 10-20 parts of silicon dioxide, 5-10 parts of calcium oxide, 5-10 parts of zinc phosphate, 3-5 parts of cobalt oxide, 3-5 parts of magnesium oxide, 10-15 parts of zinc copper sulfide, 2-5 parts of yttrium oxide and 2-5 parts of boric acid.
Further, the zinc copper sulfide may be replaced with a rare earth doped sulfate.
The fluorescent ceramic material for illumination is prepared by the following steps:
weighing the materials according to the mass ratio, adding the materials into a ball milling tank for ball milling for 3 to 10 hours, ball milling speed is 300-, carrying out hot isostatic pressing calcination after the vacuum calcination at the temperature of 1600-1700 ℃ for 2-5 hours, the pressure is 130-150MPa, finally annealing treatment is carried out at the temperature of 700-900 ℃ for 5-8 hours, and then the temperature is cooled to room temperature, thus preparing the required fluorescent ceramic.
The invention has the beneficial effects that: according to the invention, zinc copper sulfide and yttrium oxide are added into the raw materials, so that a better fluorescence effect can be achieved; boric acid is added into the raw materials, so that the strength of the sintered ceramic can be improved; zinc phosphate is added into the raw materials, so that the corrosion resistance of the ceramic product can be improved; the cobalt oxide is added into the raw materials, so that the ceramic product can be blue which is close to the fluorescent color, and the decorative effect is improved.
Detailed Description
The technical scheme of the invention is further illustrated by combining the specific examples.
Example 1: a fluorescent ceramic material for illumination is prepared by the following raw materials in parts by mass through a high-temperature sintering process; 50 parts of aluminum oxide; 10 parts of silicon dioxide, 5 parts of calcium oxide, 5 parts of zinc phosphate, 3 parts of cobalt oxide, 3 parts of magnesium oxide, 10 parts of zinc copper sulfide, 2 parts of yttrium oxide and 2 parts of boric acid.
The fluorescent ceramic material for illumination is prepared by the following steps:
respectively weighing the materials according to the mass ratio, adding the materials into a ball milling tank for ball milling, wherein the ball milling time is 3 hours, the ball milling speed is 400 r/min, after the ball milling is finished, carrying out dry pressing molding on the materials, the pressure is 70MPa, the pressure maintaining time is 10 minutes, after the dry pressing is finished, carrying out cold isostatic pressing molding, the pressure is 300MPa, the pressure maintaining time is 10 minutes, after the cold isostatic pressing is finished, carrying out vacuum calcination on the materials, the temperature is 1400 ℃, the time is 9 hours, carrying out hot isostatic pressing calcination after the vacuum calcination, the temperature is 1600 ℃, the time is 5 hours, the pressure is 130MPa, finally carrying out annealing treatment, the temperature is 700 ℃, the time is 5 hours, and then cooling to the room temperature to prepare the required fluorescent ceramic.
Example 2: a fluorescent ceramic material for illumination is prepared by the following raw materials in parts by mass through a high-temperature sintering process; 60 parts of aluminum oxide; 20 parts of silicon dioxide, 10 parts of calcium oxide, 10 parts of zinc phosphate, 5 parts of cobalt oxide, 5 parts of magnesium oxide, 15 parts of rare earth doped sulfate, 5 parts of yttrium oxide and 5 parts of boric acid.
The fluorescent ceramic material for illumination is prepared by the following steps:
respectively weighing the materials according to the mass ratio, adding the materials into a ball milling tank for ball milling, wherein the ball milling time is 10 hours, the ball milling speed is 300 revolutions per minute, after the ball milling is finished, carrying out dry pressing molding on the materials, the pressure is 130MPa, the pressure maintaining time is 5 minutes, carrying out cold isostatic pressing molding after the dry pressing is finished, the pressure is 500MPa, the pressure maintaining time is 5 minutes, after the cold isostatic pressing is finished, carrying out vacuum calcination on the materials, the temperature is 1700 ℃, the time is 5 hours, carrying out hot isostatic pressing calcination after the vacuum calcination and sintering, the temperature is 1700 ℃, the time is 2 hours, the pressure is 150MPa, finally carrying out annealing treatment, the temperature is 900 ℃, the time is 8 hours, and then cooling to the room temperature to prepare the required fluorescent ceramic.
Example 3: a fluorescent ceramic material for illumination is prepared by the following raw materials in parts by mass through a high-temperature sintering process; 55 parts of aluminum oxide; 15 parts of silicon dioxide, 8 parts of calcium oxide, 8 parts of zinc phosphate, 4 parts of cobalt oxide, 4 parts of magnesium oxide, 13 parts of zinc copper sulfide, 4 parts of yttrium oxide and 4 parts of boric acid.
The fluorescent ceramic material for illumination is prepared by the following steps:
weighing the materials according to the mass ratio, adding the materials into a ball milling tank for ball milling, wherein the ball milling time is 6 hours, the ball milling speed is 350 r/min, after the ball milling is finished, carrying out dry pressing molding on the materials, the pressure is 100MPa, the pressure maintaining time is 7 minutes, after the dry pressing is finished, carrying out cold isostatic pressing molding, the pressure is 400MPa, the pressure maintaining time is 7 minutes, after the cold isostatic pressing is finished, carrying out vacuum calcination on the materials, the temperature is 1550 ℃, the time is 7 hours, after the vacuum calcination is finished, carrying out hot isostatic pressing calcination, the temperature is 1650 ℃, the time is 3.5 hours, the pressure is 140MPa, finally carrying out annealing treatment, the temperature is 800 ℃, the time is 6.5 hours, and then cooling to the room temperature, thus preparing the required fluorescent ceramic.
The above embodiments are merely preferred embodiments of the present invention, which are intended to be illustrative and not limiting, and any changes, substitutions, combinations, simplifications, modifications, etc. made by those skilled in the art without departing from the spirit and principle of the present invention shall be included in the scope of the present invention.

Claims (3)

1. The fluorescent ceramic material for illumination is characterized by being prepared from the following raw materials in parts by mass through a high-temperature sintering process; 50-60 parts of aluminum oxide; 10-20 parts of silicon dioxide, 5-10 parts of calcium oxide, 5-10 parts of zinc phosphate, 3-5 parts of cobalt oxide, 3-5 parts of magnesium oxide, 10-15 parts of zinc copper sulfide, 2-5 parts of yttrium oxide and 2-5 parts of boric acid.
2. Fluorescent ceramic material for lighting according to claim 1, characterized in that: the zinc copper sulfide can be replaced by rare earth doped sulfate.
3. A preparation method of a fluorescent ceramic material for illumination is characterized by comprising the following steps:
weighing the materials according to the mass ratio, adding the materials into a ball milling tank for ball milling for 3 to 10 hours, ball milling speed is 300-, carrying out hot isostatic pressing calcination after the vacuum calcination at the temperature of 1600-1700 ℃ for 2-5 hours, the pressure is 130-150MPa, finally annealing treatment is carried out at the temperature of 700-900 ℃ for 5-8 hours, and then the temperature is cooled to room temperature, thus preparing the required fluorescent ceramic.
CN202110348503.8A 2021-03-31 2021-03-31 Fluorescent ceramic material for illumination Pending CN113105215A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1546606A (en) * 2003-12-01 2004-11-17 北京交通大学 Violet or ultraviolet ray inspired borophosphate luminescent powder and its preparation method
CN101857760A (en) * 2010-07-01 2010-10-13 华东理工大学 Aqueous ultra-thin expansion type steel structure fire-proof anti-corrosive paint and preparation method thereof
CN102766457A (en) * 2012-06-29 2012-11-07 彩虹集团电子股份有限公司 Preparation method for yttrium gadolinium europium oxide red fluorescent powder applicable to 3D PDP
CN104291796A (en) * 2014-09-23 2015-01-21 上海三思电子工程有限公司 Preparation method of transparent fluorescent ceramic for LEDs (light-emitting diodes)
CN107163699A (en) * 2017-06-30 2017-09-15 周远华 A kind of corrosion-resistant ceramic coating composition and preparation method thereof
CN112479590A (en) * 2020-12-08 2021-03-12 福建省德化云水窑陶瓷有限公司 Preparation method of fluorescent glazing stained paper and fluorescent ceramic product prepared by same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1546606A (en) * 2003-12-01 2004-11-17 北京交通大学 Violet or ultraviolet ray inspired borophosphate luminescent powder and its preparation method
CN101857760A (en) * 2010-07-01 2010-10-13 华东理工大学 Aqueous ultra-thin expansion type steel structure fire-proof anti-corrosive paint and preparation method thereof
CN102766457A (en) * 2012-06-29 2012-11-07 彩虹集团电子股份有限公司 Preparation method for yttrium gadolinium europium oxide red fluorescent powder applicable to 3D PDP
CN104291796A (en) * 2014-09-23 2015-01-21 上海三思电子工程有限公司 Preparation method of transparent fluorescent ceramic for LEDs (light-emitting diodes)
CN107163699A (en) * 2017-06-30 2017-09-15 周远华 A kind of corrosion-resistant ceramic coating composition and preparation method thereof
CN112479590A (en) * 2020-12-08 2021-03-12 福建省德化云水窑陶瓷有限公司 Preparation method of fluorescent glazing stained paper and fluorescent ceramic product prepared by same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
甄立新等: "《霓虹灯及其控制技术》", 31 January 1998, 人民邮电出版社 *
袁林等: "《绿色耐火材料》", 31 January 2015, 中国建材工业出版社 *

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