Title:
METHOD FOR PRODUCING HARDENED AMINO RESIN PARTICLES
Document Type and Number:
WIPO Patent Application WO/2013/176057
Kind Code:
A1
Abstract:
[Problem] To provide a method for producing resin particles having a small average particle diameter even when there is a high concentration of the raw material for resin particles in the reaction system during the production of melamine hardened resin particles. [Solution] A method for producing hardened amino resin particles, the method comprising: a step in which an aldehyde compound and at least one kind of amino monomer compound which comprises a polyfunctional amino compound are reacted in basic conditions and in an aqueous suspension of colloidal silica having an average particle diameter of 5-70nm, thus producing an aqueous solution of an initial condensate of water-soluble amino resin; and a step in which at least two kinds of acid catalysts are added to the aqueous solution, and spherical hardened amino resin particles are deposited.
Inventors:
KAWAGUCHI SEIGOU (JP)
SHIKAUCHI YASUFUMI (JP)
KOYAMA KAORU (JP)
FUJITA SATOSHI (JP)
SHIKAUCHI YASUFUMI (JP)
KOYAMA KAORU (JP)
FUJITA SATOSHI (JP)
Application Number:
PCT/JP2013/063814
Publication Date:
November 28, 2013
Filing Date:
May 17, 2013
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
C08G12/06
Foreign References:
| JP2005097575A | 2005-04-14 | |||
| JP2004083848A | 2004-03-18 | |||
| JP2003306521A | 2003-10-31 | |||
| JP2002327036A | 2002-11-15 | |||
| JPS6330516A | 1988-02-09 |
Attorney, Agent or Firm:
HANABUSA, Tsuneo et al. (JP)
Sepal Tsuneo (JP)
Sepal Tsuneo (JP)
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