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A method for preparing nanometer erbium oxide by reaction ball milling

An erbium oxide, ball milling technology, applied in chemical instruments and methods, nanotechnology, nanotechnology and other directions, can solve the problems of poor particle dispersion and uniformity, slow reaction speed of precipitation method, small specific surface area, etc., to achieve controllability High, short preparation cycle, the effect of increasing the specific surface area

Active Publication Date: 2019-11-12
CHANGZHOU GEOQUIN NANO NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The precipitation method is commonly used in the mass production of nano-erbium oxide in the existing process, but the reaction speed of the precipitation method is slow, the production cycle is long, the particle dispersion and uniformity are poor, it is difficult to achieve 10-30nm, and the specific surface area is too small

Method used

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  • A method for preparing nanometer erbium oxide by reaction ball milling
  • A method for preparing nanometer erbium oxide by reaction ball milling
  • A method for preparing nanometer erbium oxide by reaction ball milling

Examples

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Effect test

Embodiment 1

[0034] A method for preparing nano-erbium oxide by reaction ball milling, the specific process is as follows:

[0035] (1) Get 9.2L of 1.7mol / L erbium chloride solution, add 78.2L deionized water (50°C-60°C), and prepare 0.2mol / L erbium chloride solution A;

[0036] (2) Ultrasonic dispersion of 0.2g graphene oxide in 50ml of absolute ethanol for a dispersion time of 30min to obtain alcohol solution B of graphene oxide;

[0037] (3) Take 90g of sodium dodecylbenzenesulfonate, put it into 100ml of deionized water, the temperature of the deionized water is 50°C-60°C, stir until fully dissolved, and obtain solution C;

[0038] (4) get sodium carbonate 4200g, as precipitant powder D;

[0039] (5) In the grinding cavity of the planetary ball mill with a grinding cavity volume of 100L, add zirconia zirconium beads with a diameter of 1 μm, the filling volume of the zirconium oxide zirconium beads in the grinding cavity of the ball mill accounts for 50% of the grinding cavity volume, ...

Embodiment 2

[0046] A method for preparing nano-erbium oxide by reaction ball milling, the specific process is as follows:

[0047] (1) Get 9.2L of 1.7mol / L erbium chloride solution, add 31.28L deionized water (50°C-60°C), and prepare 0.5mol / L erbium chloride solution A;

[0048] (2) Ultrasonic dispersion of 0.3g graphene oxide in 50ml of absolute ethanol, dispersion time 50min, to obtain alcohol solution B of graphene oxide;

[0049] (3) Take 120g of sodium dodecylbenzenesulfonate, put it into 100ml of deionized water (50°C-60°C) and fully dissolve it to obtain solution C;

[0050] (4) Take 3200g of sodium bicarbonate and 1150g of sodium oxalate respectively, and fully mix to obtain powder D;

[0051] (5) In the grinding cavity of the planetary ball mill with a grinding cavity volume of 100L, add zirconia zirconium beads with a diameter of 1 μm, the filling volume of the zirconium oxide zirconium beads in the grinding cavity of the ball mill accounts for 50% of the grinding cavity volume, ...

Embodiment 3

[0058] A method for preparing nano-erbium oxide by reaction ball milling, the specific process is as follows:

[0059] (1) Get 9.2L of 1.7mol / L erbium nitrate solution, add 39.1L deionized water (50°C-60°C), and prepare 0.4mol / L erbium nitrate solution A;

[0060] (2) Ultrasonic dispersion of 0.4g graphene oxide in 50ml of absolute ethanol, dispersion time 60min, to obtain alcohol solution B of graphene oxide;

[0061] (3) Take 120 g of sodium dodecylbenzene sulfonate, put it into 100 ml of deionized water (50°C-60°C) and fully dissolve it to obtain solution C;

[0062] (4) Take 2000g of sodium carbonate, 1100g of sodium bicarbonate and 1100g of sodium oxalate respectively, and fully mix to obtain powder D;

[0063] (5) In the grinding cavity of the planetary ball mill with a grinding cavity volume of 100L, add zirconia zirconium beads with a diameter of 1 μm, the filling volume of the zirconium oxide zirconium beads in the grinding cavity of the ball mill accounts for 50% of...

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Abstract

The invention discloses a method for preparing nanometer erbium oxide by a reaction ball milling method. The method comprises the following steps of simultaneously putting erbium-containing inorganicsalt water solution, graphene oxide-containing alcoholic solution, surfactants, precipitants and grinding body zirconium oxide beads into a ball milling cavity; taking a reaction on various raw materials under the ball milling effect; forming a nanometer erbium oxide precursor; performing filtering, washing, drying and roasting to obtain high-purity high-dispersion nanometer erbium oxide. Throughthe application of the reaction ball milling method, the graphene oxide-containing alcoholic solution and the surfactants, the prepared nanometer erbium oxide has the primary particle diameter of 10 to 30 nm through TEM detection. The method has the advantages that the process is simple; the cost is low; the controllability is high; the product particle uniformity is obviously improved; no pollution is caused on the environment; the method is suitable for industrial production.

Description

technical field [0001] The invention belongs to the technical field of preparation of ultrafine powder of rare earth compounds, and in particular relates to a method for preparing nanometer erbium oxide by a reaction ball milling method. Background technique [0002] Erbium oxide is mainly used as yttrium iron garnet additive and nuclear reactor control material. It is also used in the manufacture of special luminescent glass and infrared-absorbing glass, and is also used as a glass colorant. The optoelectronic properties of erbium oxide make it have high application value in the fields of photonics, optics and communication science; large particle erbium oxide is applied to coating materials, and its excellent anti-corrosion performance is expected to become an excellent anti-corrosion coating; Its high refractive index and high transparency are used as reflective coatings for solar cells and other devices; erbium oxide coatings are used for fusion reactor cladding hydrogen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01F17/00B82Y30/00
CPCB82Y30/00C01F17/206C01P2004/04C01P2004/64C01P2006/12
Inventor 龚晔
Owner CHANGZHOU GEOQUIN NANO NEW MATERIALS
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