Dispersing apparatus

A dispersing device and dispersing technology, applied in the direction of grain processing, etc., can solve the problems of complex structure and complex manufacturing process.

Inactive Publication Date: 2003-08-20
TOYO INK SC HOLD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above structure has the problem that the outer surface of the first rotor does not engage with the outer surface of the second rotor, so the rotation tracks of the rotors do not overlap, and the manufacturing process of the rotor becomes too co

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example

[0058] In order to confirm the dispersing effect of the dispersing device with the above-mentioned structure, a comparative test was carried out. (Test example)

[0059] Samples 1 to 7 and comparative samples 1 to 7

[0060] Pigment (12 parts by weight), alkyd resin (38 parts by weight) and xylene (40 parts by weight) are mixed in the above ratio, and then used according to the present invention. figure 1 versus figure 2 The dispersion device of the structure shown performs dispersion. As a result, a dispersed pigment paste was prepared. Melamine resin (12 parts by weight) is mixed with the dispersed pigment paste (88 parts by weight) to prepare an alkyd / melamine coating material. As the coating material of the comparative sample, the raw material having the same composition as the above sample, using commonly used materials such as Figure 7 The dispersing device of the uniaxial sand mill structure shown is obtained by dispersing at the same time. The measured particle size dis...

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Abstract

It is arranged to disperse particle media (PM) in a vessel by stirring blades (SB) thereof to satisfactorily perform dispersing process to effectively use energy of SB to dispersing pigment so as to reduce required quantity of the PM to be discharged, prevent generation of short pass and chocking phenomena. It has structure having 1st and 2nd rotational shafts (5A,5B) dispersed in a vessel (3) having ports for supplying and discharging a material to be dispersed, to run parallel to each other and rotatively, a plurality of SB (7A,7B) provided in an axial direction and apart from one another at arbitrary intervals, and PM arranged to perform a process for dispersing the material and enclosed in (3), wherein portions of rotational region of (7A,7B) provided for (5A,5B) overlap and (3) has an inner surface formed by combining two circular arc curved surface formed along the outer rotational ends of (7A,7B).

Description

field of invention [0001] The present invention relates to a kind of dispersing device that carries out dispersing process to material, and this material is, for example, the raw material of a kind of pigment slurry, wherein pigment powder is dispersed in varnish or solvent with high concentration; The present invention particularly relates to a kind of dispersing device, this In the device, the moving distance of the material to be dispersed in the container is lengthened, so that the material can be fully dispersed. Background technique [0002] For example, printing inks or coating materials are manufactured using pigment pastes in which powdery pigments are dispersed in high concentrations in varnishes or solvents. During the dispersion process of powdered pigments in solvents or similar media, the regenerated particles formed by the aggregation of pigment powders are preferably pulverized and dispersed in solvents to form fine pigment particles without coarse particles....

Claims

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Application Information

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IPC IPC(8): B02C17/16
Inventor 清水英雄土肥城
Owner TOYO INK SC HOLD CO LTD
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