CN113929457A - 氧化锆粉体及其制备方法 - Google Patents
氧化锆粉体及其制备方法 Download PDFInfo
- Publication number
- CN113929457A CN113929457A CN202111332570.7A CN202111332570A CN113929457A CN 113929457 A CN113929457 A CN 113929457A CN 202111332570 A CN202111332570 A CN 202111332570A CN 113929457 A CN113929457 A CN 113929457A
- Authority
- CN
- China
- Prior art keywords
- precipitate
- zirconium oxide
- oxide powder
- solution
- producing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 title claims description 22
- 229910001928 zirconium oxide Inorganic materials 0.000 title claims description 22
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000002244 precipitate Substances 0.000 claims abstract description 50
- 239000000084 colloidal system Substances 0.000 claims abstract description 34
- 239000011259 mixed solution Substances 0.000 claims abstract description 26
- 239000000243 solution Substances 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000001354 calcination Methods 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 11
- 239000007864 aqueous solution Substances 0.000 claims abstract description 10
- 229910006251 ZrOCl2.8H2O Inorganic materials 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
- IVORCBKUUYGUOL-UHFFFAOYSA-N 1-ethynyl-2,4-dimethoxybenzene Chemical compound COC1=CC=C(C#C)C(OC)=C1 IVORCBKUUYGUOL-UHFFFAOYSA-N 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical group [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 8
- 238000003828 vacuum filtration Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000012716 precipitator Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 9
- 238000001556 precipitation Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 8
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 6
- 238000005245 sintering Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000004570 mortar (masonry) Substances 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 7
- 239000000292 calcium oxide Substances 0.000 description 7
- 239000011575 calcium Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Inorganic materials [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/486—Fine ceramics
- C04B35/488—Composites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5409—Particle size related information expressed by specific surface values
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5454—Particle size related information expressed by the size of the particles or aggregates thereof nanometer sized, i.e. below 100 nm
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Composite Materials (AREA)
- Nanotechnology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
本发明涉及一种氧化锆粉体及其制备方法,属于纳米陶瓷材料制备技术领域。本发明包括:(1)分别配置ZrOCl2﹒8H2O和Ca(NO3)2水溶液;(2)按照ZrO2和Y2O3的摩尔比配置混合溶液,并加入分散剂;(3)将溶液加入到沉淀剂溶液中;(4)在滴加中不断产生胶体,测其混合溶液的pH值,在pH值为7~8时,胶体向沉淀转变,在pH到达9~10时,完全转变为沉淀;(5)将沉淀溶液静置,真空抽滤,清洗,将清洗完的沉淀干燥;(6)将沉淀置入研钵体中研磨,再经煅烧。本发明设计科学合理,操作简单易行,成本低,得到的粉体强度高、颗粒均匀,具有更加良好的烧结稳定性。
Description
技术领域
本发明涉及一种氧化锆粉体及其制备方法,属于纳米陶瓷材料制备技术领域。
背景技术
纳米陶瓷材料具有超塑性以及电、光、热、磁等特殊性能,使其成为材料科学领域的研究热点,纳米氧化锆是一种重要的陶瓷材料,它具有强度高、耐腐蚀、耐热、导热系数低和抗氧化性能强等稳定特点,因而被材料界广泛关注,广泛应用于光纤插芯、光纤套管、牙齿、牙套、表壳、切削工具等,氧化锆粉体作为材料供应的基础产业,未来几年,必将随着国内高涨的需求的不断崛起,各行各业对其的需求呈一个爆发之势,国外的龙头企业也会借此机会,开拓国内市场,而在国内,要迎接挑战,加深自主研发的能力。
目前制备氧化锆粉体应用最多的方法为溶胶凝胶法、水解法、共沉淀法,但现有技术在制备粉体过程中都会出现粉体团聚现象,这样会直接影响到粉体后期成型加工及烧结,造成氧化锆陶瓷性能变差。
发明内容
本发明的目的是提供一种氧化锆粉体的制备方法,其设计科学合理,操作简单易行,成本低,得到的粉体强度高、颗粒均匀,具有更加良好的烧结稳定性。
本发明所述的氧化锆粉体的制备方法,包括以下步骤:
(1)分别配置浓度为0.05mol/L~0.5mol/L的ZrOCl2﹒8H2O和Ca(NO3)2水溶液;
(2)按照ZrO2和CaO的摩尔比93~98:7~2配置混合溶液,并加入分散剂;
(3)将步骤(2)所得的溶液缓慢加入到过量沉淀剂溶液中;
(4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7~8时,胶体会向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀;
(5)将沉淀溶液静置18~36h,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗次,将清洗完的沉淀在70℃~85℃的恒温鼓风干燥箱中干燥12h~24h;
(6)将干燥之后的沉淀置入研钵体中研磨1h~3h,再经700℃~1000℃煅烧2h~4h,即得氧化锆粉体。
优选的,分散剂为聚乙二醇(PEG2000)、丙三醇或丙烯酸酯中的一种或多种。
优选的,分散剂的加入量为混合溶液质量的0.01%~0.2%。
优选的,沉淀剂为氨水。
优选的,沉淀剂的浓度为15g/L~50g/L。
以往制备氧化锆粉体的方法,都是通过降低晶体粒径的途径来降低粉体的粒径,这种方法的不足之处是造成粉体的大量团聚,本发明所选择的分散剂,能够有效降低表面张力,防止浆料在后期出现大量团聚;目前,氧化锆粉体制备过程中最常用的稳定剂为氧化钇,本发明选用氧化钙作为稳定剂,来源更加广泛,成本更低,效果更佳;选用氨水为沉淀剂,在强碱的作用下,形成了均一的反应体系,能够形成高聚体沉淀,这样在后期煅烧时有利于得到更加小的粒径;本发明运用有机添加剂-强碱共沉淀方法,保证了反应时氧氯化锆周围环境的一致性,得到了室温下稳定的四方相纳米氧化锆粉体。
本发明具有以下有益效果:
(1)本发明制备的纳米氧化锆粉体粒径小(40~60nm),比表面积大(8~9m2/g),主要晶相为四方相,老化稳定性强等特点;
(2)本发明采用共沉淀法制备氧化锆粉体,操作简单,成本较低,且粉体在处理工程中不易团聚,易于工业化生产。
附图说明
图1是本发明烧成的氧化锆粉体状态示意图。
具体实施方式
下面结合实施例对本发明作进一步的说明,但其并不限制本发明的实施。
实施例1
一种氧化锆粉体的制备方法,包括以下步骤:
1)分别配置0.1mol/L的ZrOCl2﹒8H2O和Ca(NO3)2水溶液;
2)按照ZrO2和CaO的摩尔比为94:6配置混合溶液,并加入0.01%的PEG2000;
3)将混合溶液缓慢加入到浓度为15g/L的过量氨水溶液中;
4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7~8时,胶体会向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀。
5)将沉淀溶液静置18h,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗2次,将清洗完的沉淀在75℃的恒温鼓风干燥箱中干燥12h;
6)将干燥之后的沉淀置入研钵体中研磨1h,再经800℃煅烧2h,即得氧化锆粉体。
实施例2
一种氧化锆粉体的制备方法,包括以下步骤:
1)分别配置0.2mol/L的ZrOCl2﹒8H2O和Ca(NO3)2水溶液;
2)按照ZrO2和CaO的摩尔比为96:4配置混合溶液,并加入0.01%的丙三醇;
3)将混合溶液缓慢加入到浓度为20g/L的过量氨水溶液中;
4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7~8时,胶体会向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀。
5)将沉淀溶液静置18h,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗2次,将清洗完的沉淀在75℃的恒温鼓风干燥箱中干燥12h;
6)将干燥之后的沉淀置入研钵体中研磨1h,再经900℃煅烧2h,即得氧化锆粉体。
实施例3
一种氧化锆粉体的制备方法,包括以下步骤:
1)分别配置0.3mol/L的ZrOCl2﹒8H2O和Ca(NO3)2水溶液;
2)按照ZrO2和CaO的摩尔比为98:2配置混合溶液,并加入0.01%的丙三醇;
3)将混合溶液缓慢加入到浓度为25g/L的过量氨水溶液中;
4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7时,胶体会向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀。
5)将沉淀溶液静置18h,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗2次,将清洗完的沉淀在85℃的恒温鼓风干燥箱中干燥12h;
6)将干燥之后的沉淀置入研钵体中研磨1h,再经950℃煅烧2h,即得氧化锆粉体。
实施例4
一种氧化锆粉体的制备方法,包括以下步骤:
1)分别配置0.4mol/L的ZrOCl2﹒8H2O和Ca(NO3)2水溶液;
2)按照ZrO2和CaO的摩尔比为95:5配置混合溶液,并加入0.02%的丙烯酸酯;
3)将混合溶液缓慢加入到浓度为15g/L的过量氨水溶液中;
4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7时,胶体会向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀。
5)将沉淀溶液静置18h,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗2次,将清洗完的沉淀在80℃的恒温鼓风干燥箱中干燥12h;
6)将干燥之后的沉淀置入研钵体中研磨1h,再经1000℃煅烧2h,即得氧化锆粉体。
对比例1
一种氧化锆粉体的制备方法,包括以下步骤:
1)分别配置0.1mol/L的ZrOCl2﹒8H2O和Ca(NO3)2水溶液;
2)按照ZrO2和CaO的摩尔比为94:6配置混合溶液,并加入0.01%的PEG2000;
3)将混合溶液缓慢加入到浓度为15g/L的过量KOH溶液中;
4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7~8时,胶体会向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀。
5)将沉淀溶液静置18h,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗2次,将清洗完的沉淀在75℃的恒温鼓风干燥箱中干燥12h;
6)将干燥之后的沉淀置入研钵体中研磨1h,再经800℃煅烧2h,即得氧化锆粉体。
对比例2
一种氧化锆粉体的制备方法,包括以下步骤:
1)分别配置0.2mol/L的ZrOCl2﹒8H2O和CsNO3水溶液;
2)按照ZrO2和Cs2O的摩尔比为96:4配置混合溶液,并加入0.01%的丙三醇;
3)将混合溶液缓慢加入到浓度为20g/L的过量氨水溶液中;
4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7~8时,胶体会向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀。
5)将沉淀溶液静置18h,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗2次,将清洗完的沉淀在75℃的恒温鼓风干燥箱中干燥12h;
6)将干燥之后的沉淀置入研钵体中研磨1h,再经900℃煅烧2h,即得氧化锆粉体。
将以上实施例1-4制备的氧化锆粉体和对比例1-2制得的氧化锆粉体,进行性能检测:
粒径检测方法为GB 6288-86粒状分子筛粒度测定方法;
强度检测方法为GB/T 232-2010弯曲试验法;
比表面积检测方法为GB/T 8074-2008勃式法;
晶相检测方法为GB/T 1555-1997半导体单晶晶向检测方法法;
老化稳定性检测方法为GB/T 15750-1995压电陶瓷材料老化性能试验规程。
表1氧化锆粉体的物理性能
Claims (10)
1.一种氧化锆粉体的制备方法,其特征在于:包括以下步骤:
(1)分别配置ZrOCl2﹒8H2O和Ca(NO3)2水溶液;
(2)按照ZrO2和CaO的摩尔比配置混合溶液,并加入分散剂;
(3)将步骤(2)所得的溶液加入到过量沉淀剂溶液中;
(4)在滴加的过程中不断产生氢氧化锆胶体,随着不断地滴加,絮状胶体逐渐增多,用pH测试仪测其混合溶液的pH值,在pH值为7~8时,胶体向沉淀转变,在pH到达9~10时,絮状胶体完全转变为沉淀;
(5)将沉淀溶液静置,将沉淀进行真空抽滤,然后依次用蒸馏水和乙醇进行清洗,将清洗完的沉淀在恒温鼓风干燥箱中干燥;
(6)将干燥之后的沉淀置入研钵体中研磨,再经煅烧,即得氧化锆粉体。
2.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:步骤(1)中,ZrOCl2﹒8H2O与Ca(NO3)2水溶液的浓度为0.05mol/L~0.5mol/L。
3.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:步骤(2)中,ZrO2和CaO的摩尔比为93~98:7~2。
4.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:分散剂为聚乙二醇、丙三醇或丙烯酸酯中的一种或多种。
5.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:分散剂的加入量为混合溶液质量的0.01%~0.2%。
6.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:沉淀剂为氨水。
7.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:沉淀剂的浓度为15g/L~50g/L。
8.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:步骤(5)中,将沉淀溶液静置18~36h;在70℃~85℃的恒温鼓风干燥箱中干燥12h~24h。
9.根据权利要求1所述的氧化锆粉体的制备方法,其特征在于:步骤(6)中,研磨1h~3h,再经700℃~1000℃煅烧2h~4h。
10.一种氧化锆粉体,其特征在于:由权利要求1-9任一所述的氧化锆粉体的制备方法制得。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111332570.7A CN113929457A (zh) | 2021-11-11 | 2021-11-11 | 氧化锆粉体及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111332570.7A CN113929457A (zh) | 2021-11-11 | 2021-11-11 | 氧化锆粉体及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113929457A true CN113929457A (zh) | 2022-01-14 |
Family
ID=79286208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111332570.7A Pending CN113929457A (zh) | 2021-11-11 | 2021-11-11 | 氧化锆粉体及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113929457A (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4900701A (en) * | 1985-03-07 | 1990-02-13 | Nippon Soda Co., Ltd. | Zirconia sintered body and process for the production thereof |
CN1256244A (zh) * | 1999-11-19 | 2000-06-14 | 清华大学 | 氧化锆固溶体超细粉的绿色合成方法 |
CN1397597A (zh) * | 2001-09-13 | 2003-02-19 | 湖北葛店开发区地大纳米材料制造有限公司 | 纳米氧化锆粉体的制备方法 |
CN101024514A (zh) * | 2007-01-31 | 2007-08-29 | 吉林大学 | 一种制备四方相(立方相)纳米二氧化锆的新方法 |
US20070232824A1 (en) * | 2006-01-20 | 2007-10-04 | Yuhan Sun | Heterogeneous catalysis solid base catalyst and a preparation process and a use thereof |
FR3091866A1 (fr) * | 2019-01-18 | 2020-07-24 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Billes frittees d’alumine-zircone |
CN111848161A (zh) * | 2020-08-05 | 2020-10-30 | 上海大学(浙江·嘉兴)新兴产业研究院 | 一种纳米氧化锆粉体的制备方法 |
CN113233893A (zh) * | 2021-06-25 | 2021-08-10 | 西安热工研究院有限公司 | 一种微纳米碳化硅/氧化钙稳定氧化锆球形喂料及制备方法 |
-
2021
- 2021-11-11 CN CN202111332570.7A patent/CN113929457A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4900701A (en) * | 1985-03-07 | 1990-02-13 | Nippon Soda Co., Ltd. | Zirconia sintered body and process for the production thereof |
CN1256244A (zh) * | 1999-11-19 | 2000-06-14 | 清华大学 | 氧化锆固溶体超细粉的绿色合成方法 |
CN1397597A (zh) * | 2001-09-13 | 2003-02-19 | 湖北葛店开发区地大纳米材料制造有限公司 | 纳米氧化锆粉体的制备方法 |
US20070232824A1 (en) * | 2006-01-20 | 2007-10-04 | Yuhan Sun | Heterogeneous catalysis solid base catalyst and a preparation process and a use thereof |
CN101024514A (zh) * | 2007-01-31 | 2007-08-29 | 吉林大学 | 一种制备四方相(立方相)纳米二氧化锆的新方法 |
FR3091866A1 (fr) * | 2019-01-18 | 2020-07-24 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Billes frittees d’alumine-zircone |
CN111848161A (zh) * | 2020-08-05 | 2020-10-30 | 上海大学(浙江·嘉兴)新兴产业研究院 | 一种纳米氧化锆粉体的制备方法 |
CN113233893A (zh) * | 2021-06-25 | 2021-08-10 | 西安热工研究院有限公司 | 一种微纳米碳化硅/氧化钙稳定氧化锆球形喂料及制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110203969A (zh) | 一种高分散四方相纳米氧化锆及其制备方法 | |
CN102923770B (zh) | 一种钇稳定纳米二氧化锆粉体的制备方法 | |
CN107285770B (zh) | 一种纯度高形貌均匀的锆酸镧钆粉体及透明陶瓷制备方法 | |
CN109704403A (zh) | 一种高韧性氧化锆基复合粉及其制备方法 | |
CN103373743A (zh) | 一种多元醇辅助水热法合成氧化锆纳米粉体的方法 | |
CN109704759A (zh) | 一种复合稀土改性氧化锆陶瓷粉体及其制备方法 | |
CN102078771B (zh) | 荷正电三维纳米纤维膜的制备方法 | |
CN105219385A (zh) | 一种pH稳定的强发光的碳量子点的制备方法 | |
CN106964376A (zh) | 一种可见光响应BiFeO3/BiOCl异质结光催化剂的制备方法 | |
CN109052450A (zh) | 一种高纯度氧化钆的制备方法 | |
CN102849774A (zh) | 一种水热法制备纳米氧化铈的方法 | |
CN108467264A (zh) | 一种用于氧传感器的复合氧化锆粉 | |
CN101544402B (zh) | 一种纳米级锆质溶胶及其制备方法 | |
CN108609652A (zh) | 一种利用熔盐制备二氧化锆纳米粉体的方法 | |
CN113929457A (zh) | 氧化锆粉体及其制备方法 | |
CN113683117A (zh) | 一种纳米氧化锡粉体及其制备方法 | |
CN110817954B (zh) | 一种固体电解质、其制备方法及固体氧化物燃料电池 | |
CN112573570A (zh) | 一种掺杂钪铈氧化锆超细粉体及其制备方法 | |
CN104891541B (zh) | 碳酸铝铵热解法制备片状α氧化铝的方法 | |
CN109592711B (zh) | 一种用于氧传感器的石墨烯改性氧化锆粉的制备方法 | |
CN105753047B (zh) | 一种制备牙科用纳米氧化锆粉末的新方法 | |
CN109179492A (zh) | 一种钛酸锂纳米颗粒及其制备方法和应用 | |
CN104088133A (zh) | 枝状结构ZnSnO3/TiO2复合纳米纤维湿敏材料的制备方法 | |
CN102531053A (zh) | 一种纳米氧化锆颗粒的组合物、纳米氧化锆颗粒与其单分散水溶胶及其制备方法 | |
CN102659152B (zh) | 一种水分散性良好的纳米氧化铝浆料的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220114 |
|
RJ01 | Rejection of invention patent application after publication |