Nano zircon oxide slurry composition and preparation process thereof

A technology of nano-zirconia and composition, which is applied in the field of nanometers, can solve the problems of high viscosity, unusability, and no patent reports of nano-zirconia slurry, etc., and achieve the effects of easy use, improved use efficiency, and storage stability

Inactive Publication Date: 2003-10-22
中科纳米涂料技术(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Polyacrylic acid and polyacrylic acid ammonium are more commonly used dispersants of nano-zirconia powder [Sun Jing, Gao Lian, Guo Jingkun. Journal of Inorganic Materials, 1999, 14 (3): 465; Jing Sun, Lian Gao and Jingkun Guo.Journal of the European Ceramic Society, 1999,19,1725; Tang Fengqiu, et al.Ceramics International, 2000,26,93], but this type of dispersant is generally limited to the dispersion system in which water is the dispersion medium, and the solid content of nano-zirconia is less than 50%, greater than 50%, the viscosity is high, almost unusable [Wang Jun, Sun Jing, Gao Lian. Journal of Inorganic Materials, 1999, 14(2): 233; Fang Min, Zhang Zongtao, Hu Liming. Journal of Inorganic Materials, 1995 , 10(4):417]
No patent report on nano-zirconia slurry has been found in the current patent literature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Weigh 50g of n-butyl acetate in a 300ml beaker, add 2.5g polymer dispersant Solsperse24000, 10g polymer dispersant # 2150, add 187.5g of 100nm cubic crystal nano-zirconia treated by aluminum oxide coating, disperse for 40 minutes with a high-speed disperser at 2000rpm, and grind for 24 hours with a ball mill to make nano-zirconia with a weight ratio of 75%. Zirconia slurry. The total amount of polymer dispersant in the nano zirconia slurry is 5%.

Embodiment 2

[0021] Nano zirconia slurry preparation method is the same as in Example 1, adjusting polymer dispersant Solsperse24000, polymer dispersant # The addition of 2150 and nanometer zirconia makes the total amount of polymer dispersant be 0.6%, wherein polymer dispersant Solsperse24000 and polymer dispersant # 2150 The weight ratio between the two is the same as in Example 1, and the nano-zirconia slurry with a weight ratio of 75% of nano-zirconia is made.

Embodiment 3

[0023] Nano zirconia slurry preparation method is the same as in Example 1, adjusting polymer dispersant Solsperse24000, polymer dispersant # The addition of 2150 and nanometer zirconia makes the total amount of polymer dispersant be 12%, wherein polymer dispersant Solsperse24000 and polymer dispersant # 2150 The weight ratio between the two is the same as in Example 1, and the nano-zirconia slurry with a weight ratio of 75% of nano-zirconia is made.

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PUM

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Abstract

The present invention relates to a nano zirconia slurry composite and its preparation method. Its composition is formed from 10-75% of nano zirconia whose average grain size is below 100nm, 0.4-15% of polymer dispersing agent and the rest is solvent. Its preparation method includes the following steps: adding the polymer dispersing agent into the solvent, then adding nano zirconia, using high-speed dispersing machine to disperse them for 10-70 min. at 400-2200 rpm. and grinding obtained slurry material for 15 min.-30 hr. so as to obtain the invented nano zirconia slurry finished product with good dispersion property and high stability. It can be extensively used in the fields of ceramics, paint, printing ink textile, cosmetics and adhesive, etc.

Description

technical field [0001] The invention relates to nanotechnology, in particular to a nano zirconia slurry composition and a preparation method thereof. Background technique [0002] Nano zirconia is one of the important nano oxides, which has important applications in ceramic materials, coatings, cosmetics, antibacterial materials, photocatalytic materials and other fields. Japanese Patent Laid-Open No. 5-179535 reports adding 1 to 3% zirconia to polyester and spinning it with cellulose to form an anti-ultraviolet composite fabric. Colloidal molding of nano-zirconia can prepare new high-performance ceramics with superplasticity and ultrahigh hardness. However, due to the large specific surface area of ​​nano-zirconia, it is easy to agglomerate, and the impact of the secondary particle size on the properties of the slurry is very significant. Therefore, whether nano-zirconia can be effectively and stably dispersed is a key issue in the application of nano-zirconia. Polyacryl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/00C09C3/10
Inventor 刘福春韩恩厚柯伟
Owner 中科纳米涂料技术(苏州)有限公司
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