Nano zircon oxide slurry composition and preparation process thereof

A technology of nano-zirconia and composition, which is applied in the field of nano-scale, can solve the problems of undiscovered nano-zirconia slurry patent report, inability to use, high viscosity, etc., and achieve the effect of satisfying storage stability, improving use efficiency, and being easy to use

Inactive Publication Date: 2005-06-15
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 ammonium polyacrylate are commonly used dispersants for 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 When it is less than 50% and greater than 50%, the viscosity is high and it is almost impossible to use [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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Abstract

The invention relates to a nano-zirconia slurry composition and a preparation method thereof. The composition is composed of 10-75% of nano-zirconia with an average particle diameter of primary particles below 100nm, and 0.4-15% of a polymer dispersant. %, the remainder of the solvent composition; the preparation method is to add the polymer dispersant to the solvent, then add nano-zirconia, disperse with a high-speed disperser at 400-2200rpm for 10-70 minutes, and grind the obtained nano-zirconia slurry for 15 minutes- After 30 hours, the finished product of nano-zirconia slurry is made. The nano zirconia slurry of the present invention is a dispersion system with high solid content and low viscosity, has good monodispersity and high stability, and can be widely used in the fields of ceramics, coatings, inks, textiles, cosmetics, adhesives and the like.

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 Patents(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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