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Title:
METHOD FOR PRODUCING DISPERSION OF INORGANIC PARTICLES, PASTE COMPOSITION AND HARDENED PRODUCT
Document Type and Number:
Japanese Patent JP2009073874
Kind Code:
A
Abstract:

To provide a method for improving light transmittance without reducing the concentration of inorganic particles in a dispersion of the inorganic particles produced by using a bead mill.

The method for producing the dispersion of the inorganic particles, containing the inorganic particles having 1 and 50 nm average particle diameter and 4.5 specific gravity, a dispersing agent and an organic solvent includes a step for carrying out the dispersion treatment by the bead mill using zirconia beads, a step for carrying out a centrifugal separation treatment under a condition in which the A-value of the following equation (1) is 200 and 1,100: A=(K-factor)[viscosity (mPa s) of dispersion][treating time (min)] (1), and a step for collecting the liquid component in order.


Inventors:
SHINBA YOICHI
TATSUTA YOSHIKO
NONAKA TOSHINAKA
Application Number:
JP2007241986A
Publication Date:
April 09, 2009
Filing Date:
September 19, 2007
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
C08L101/00; C08K3/00; G02B6/12