Title:
METHOD FOR PRODUCING ZIRCONIA PARTICLE-CONTAINING POWDER
Document Type and Number:
WIPO Patent Application WO/2019/026811
Kind Code:
A1
Abstract:
The present invention provides a method for producing a zirconia particle-containing powder that enables the convenient production of a zirconia sintered body that combines high transparency with high strength. The present invention relates to a method for producing a zirconia particle-containing powder, wherein the production method has a drying step for spray drying a zirconia particle-containing slurry, the average primary particle diameter of the zirconia particles is not more than 30 nm, and the dispersion medium in the slurry contains a liquid having a surface tension at 25°C of not more than 50 mN/m. The zirconia particles preferably contain 2.0-9.0 mol% yttria, and the content of the liquid in the dispersion medium is preferably at least 50 mass%.
Inventors:
KUDO YASUTAKA (JP)
Application Number:
PCT/JP2018/028331
Publication Date:
February 07, 2019
Filing Date:
July 27, 2018
Export Citation:
Assignee:
KURARAY NORITAKE DENTAL INC (JP)
International Classes:
C01G25/02; C04B35/486; A61C13/083
Domestic Patent References:
| WO2017057636A1 | 2017-04-06 | |||
| WO2012042911A1 | 2012-04-05 | |||
| WO2014126034A1 | 2014-08-21 |
Foreign References:
| JP2011073907A | 2011-04-14 | |||
| JP2010222466A | 2010-10-07 | |||
| JPS6144718A | 1986-03-04 | |||
| JP2010514665A | 2010-05-06 | |||
| JP2000159621A | 2000-06-13 |
Other References:
See also references of EP 3663264A4
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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