Composite particle production apparatus and method for producing composite particles
The composite particle device is manufactured through electrostatic attraction, and the viscosity change is used to monitor the addition of the regulator, which solves the problem of difficulty in controlling the amount of polymer electrolyte added and improves the efficiency and continuous production capacity of composite particle manufacturing.
Active Publication Date: 2016-06-22
TOYOHASHI UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
However, in mechanical mixing such as ball mills, it is difficult to avoid contamination of raw materials, or to increase the yield of target composite particles
Method used
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Experimental program
Comparison scheme
Effect test
experiment example
[0136] Next, an experiment was conducted on the relationship between the viscosity and the Zeta potential when the charge was adjusted by the above-mentioned charge adjustment method. The experimental method is that the aluminum oxide (α-Al 2 o 3 ) particles (diameter 100nm) liquid, while gradually adding polystyrene sulfonic acid (PSS) solution, the viscosity and Jieda potential were measured. Then, the viscosity and the Zeta potential were measured when a poly(diallylmethylammonium chloride) (PDDA) solution was gradually added to the liquid containing the polyanion-adsorbing particles produced as above.
[0137] Figure 14 represent the experimental results. As shown in the graph of the figure, when the polyanion (PSS) is gradually added to the particles, the Zeta potential changes from positive to negative, and the time when the value first becomes a value near the minimum value is closely related to the viscosity of the liquid containing the particles. Small values a...
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Abstract
Provided are a composite particle manufacturing apparatus and a composite particle manufacturing method, which can add regulators such as polymer electrolytes for adjusting the surface charge of particles without excess or deficiency, thereby improving operability and production efficiency. It has: a storage tank (1) for storing a liquid containing either the first particle or the second particle; a dispersion state measurement unit (2) for measuring the dispersion state of the particles in the liquid stored in the storage tank; a dispersion state storage unit (33), when the regulator for adjusting the surface charge of the particles contained in the liquid in the storage tank is added to the storage tank, store the dispersion state measured by the dispersion state measurement unit; the information output unit (37), according to the dispersion state The dispersion state stored in the state storage means outputs information indicating that the dispersion state of the particles in the liquid in the storage tank is in a desired state.
Description
technical field [0001] The present invention relates to a manufacturing device and a manufacturing method for manufacturing composite particles, and more particularly to a manufacturing device and manufacturing of composite particles capable of easily and efficiently manufacturing composite particles by adding an appropriate amount of a regulator for adjusting the surface charge of the particles method. Background technique [0002] In general, in the production of composite particles, a mechanical mixing method of mixing two or more raw material particles using a ball mill or the like is known. However, in mechanical mixing such as a ball mill, it is difficult to avoid raw material contamination, or to increase the yield of target composite particles. Therefore, the following technology is disclosed: one kind of particle to be composited and another kind of particle are dispersed in the liquid phase whose pH is adjusted in such a manner that the surface charges are reverse...
Claims
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IPC IPC(8): B01J2/00B01J13/00
CPCB01J2/10B05C19/06B05D1/007
Owner TOYOHASHI UNIVERSITY OF TECHNOLOGY