| US 7,514,145 B2 | ||
| Method and apparatus for producing resin particles using granulation-prevention agent, and resin particles produced by the method | ||
| Koji Akioka, Nagano (Japan); Toshiaki Yamagami, Nagano (Japan); Hiroshi Kaiho, Nagano (Japan); and Ken Ikuma, Nagano (Japan) | ||
| Assigned to Seiko Epson Corporation, Tokyo (Japan) | ||
| Filed on Nov. 28, 2005, as Appl. No. 11/288,993. | ||
| Claims priority of application No. 2004-342048 (JP), filed on Nov. 26, 2004. | ||
| Prior Publication US 2006/0142425 A1, Jun. 29, 2006 | ||
| Int. Cl. B32B 5/16 (2006.01); B28B 1/54 (2006.01) | ||
| U.S. Cl. 428—402 [428/403; 430/137.11; 430/137.21; 425/6; 425/7; 425/86; 425/90; 425/97] | 18 Claims |
| 1. A resin particles producing method using a dispersion liquid which comprises a dispersion medium and fine particles of
a resin material, the fine particles being dispersed in the dispersion medium, the method comprising:
ejecting the dispersion liquid in the form of droplets each of which contains two or more of the fine particles; and
removing the dispersion medium from each of the ejected droplets of the dispersion liquid, to obtain resin particles which
are derived from the fine particles contained in each of the droplets;
wherein a granulation prevention agent for preventing or suppressing the fine particles from being agglomerated and granulated
in each droplet is applied to the dispersion liquid during the removing the dispersion medium.
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