Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method of nano neodymium oxide coated zirconium oxide powder

A technology of zirconia powder and neodymium oxide is applied in the field of preparation of nano-neodymium oxide-coated zirconia powder, which can solve problems such as scratches on optical glass and Arabic phenomenon, so as to solve scratches, solve Arabic phenomenon and improve quality stable effect

Active Publication Date: 2020-11-13
HUNAN HAOZHI TECH
View PDF9 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a zirconia powder, which can not only solve the problem of optical glass scratches, ensure that the glass is not corroded, but also solve the Araby phenomenon that usually occurs in the polishing process of domestic products

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of nano neodymium oxide coated zirconium oxide powder
  • Preparation method of nano neodymium oxide coated zirconium oxide powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The preparation method of nano neodymium oxide coated zirconia powder of the present embodiment, its preparation steps are as follows:

[0035] (1) Preparation of composite suspension: first heat deionized water to 75°C, then add sodium polyacrylate with a molecular weight of 10,000, then add BYK-420, and finally add Tween 80, stir, dissolve, clarify, and then cool to make each group In the solution, the mass ratio is 0.1% sodium polyacrylate (molecular weight: 10000), 0.2% BYK-420, 0.3% Tween 80, to obtain a composite suspension agent, and set aside;

[0036] (2) Preparation of neodymium chloride and praseodymium chloride solution: Weigh 200kg of deionized water and add it to an oil bath reactor, then add neodymium chloride and praseodymium chloride with a molar ratio of 99:1 into the deionized water to prepare Neodymium chloride and praseodymium chloride molar concentration is the neodymium chloride and praseodymium chloride solution of 0.3mol / L, standby;

[0037] (3...

Embodiment 2

[0044] The preparation method of nano neodymium oxide coated zirconia powder of the present embodiment, its preparation steps are as follows:

[0045] (1) Preparation of composite suspending agent: first heat deionized water to 80°C, then add sodium polyacrylate with a molecular weight of 10,000, then add BYK-420, and finally add Tween 80, stir, dissolve, clarify, and then cool to make each group The mass ratio in the solution is 0.3% sodium polyacrylate (molecular weight: 10,000), 0.1% BYK-420, 0.1% Tween 80, to obtain a composite suspension agent, and set aside;

[0046](2) Preparation of neodymium chloride and praseodymium chloride solution: Weigh 250kg of deionized water and add it to an oil bath reactor, then add neodymium chloride and praseodymium chloride with a molar ratio of 99:1 into the deionized water to prepare Become neodymium chloride and praseodymium chloride molar concentration and be the neodymium chloride and praseodymium chloride solution of 0.4mol / L, stand...

Embodiment 3

[0054] The preparation method of nano neodymium oxide coated zirconia powder of the present embodiment, its preparation steps are as follows:

[0055] (1) Preparation of composite suspending agent: first heat deionized water to 85°C, then add sodium polyacrylate with a molecular weight of 10,000, then add BYK-420, and finally add Tween 80, stir, dissolve, clarify, and then cool to make each group In the solution, the mass ratio is 0.2% sodium polyacrylate (molecular weight: 10000), 0.3% BYK-420, 0.2% Tween 80, to obtain a composite suspending agent for future use;

[0056] (2) Preparation of neodymium chloride and praseodymium chloride solution: Weigh 300kg of deionized water and add it to the oil bath reactor, then add neodymium chloride and praseodymium chloride with a molar ratio of 99:1 into the deionized water to prepare Become neodymium chloride and praseodymium chloride molar concentration and be the neodymium chloride and praseodymium chloride solution of 1.0mol / L, sta...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a preparation method of nano neodymium oxide coated zirconium oxide powder, and relates to the technical field of preparation of materials for optical glass processing and polishing. The preparation method comprises the following steps: (1) preparing a composite suspending agent; (2) preparing neodymium chloride and praseodymium chloride solutions; (3) preparing a precipitator; (4) preparing a mixing agent; (5) performing precipitation reaction; (6) filtering; (7) performing spray drying; and (8) calcinng. The nano neodymium oxide coated zirconium oxide powder obtainedby the preparation method has the characteristics of solving the problem of scratch of optical glass, ensuring that the glass is not corroded, solving the Arabic phenomenon commonly occurring in the polishing process of domestic products and the like, and is suitable for processing precision optical glass lenses; the method is particularly suitable for precision machining of large-caliber opticalglass lenses and optical glass made of special soft materials.

Description

technical field [0001] The invention relates to the technical field of preparation of materials used in optical glass processing and polishing, in particular to a preparation method of nano-neodymium oxide-coated zirconia powder. Background technique [0002] With the advancement of science and technology, the market demand for high-precision, large-diameter optical glass lenses is increasing, and the requirements for precision optical glass lens processing are getting higher and higher, and the market demand for various polishing products is also increasing day by day. . Among the polishing materials, zirconia has moderate hardness, wear resistance, corrosion resistance and good chemical stability. The polishing liquid made of zirconia powder can be used for processing optical glass, especially for the precision processing effect of optical glass made of special soft materials. very good. At present, zirconia polishing products used for precision processing of optical ins...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C09G1/02
CPCC09G1/02
Inventor 彭付贵
Owner HUNAN HAOZHI TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com