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Title:
METHOD FOR PRODUCING FLUOROPOLYMER-CONTAINING POWDER PARTICLES
Document Type and Number:
WIPO Patent Application WO/2018/181377
Kind Code:
A1
Abstract:
Provided is a method for producing fluoropolymer-containing powder particles having a small particle size and a narrow particle size distribution. In this method for producing fluoropolymer-containing powder particles, an aqueous solution containing water, an organic solvent, and a fluoropolymer, which contains a fluoroolefin-based unit and a unit having a carboxy group, is concentrated under reduced pressure to obtain a mother liquid containing fluoropolymer-containing powder particles, and the mother liquid is filtered to obtain fluoropolymer-containing powder particles, wherein the organic solvent is methanol, ethanol, propanol, butyl alcohol, ethylene glycol dimethyl ether, tetrahydrofuran, acetone, methyl ethyl ketone, or acetonitrile.

Inventors:
SAITO Shun (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
MORIZUMI Takashi (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
Application Number:
JP2018/012537
Publication Date:
October 04, 2018
Filing Date:
March 27, 2018
Export Citation:
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Assignee:
AGC INC. (5-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 05, 〒1008405, JP)
International Classes:
C08J3/12; B05D3/02; B05D7/24; C09D5/03; C09D127/14; C09D167/00
Foreign References:
JP2008208346A2008-09-11
JP2013170220A2013-09-02
JP2010085741A2010-04-15
JP2001316614A2001-11-16
JPH0395276A1991-04-19
JPH09263711A1997-10-07
Attorney, Agent or Firm:
SENMYO Kenji et al. (3rd Floor, PMO Kanda-Tsukasamachi 2-8-1, Kanda-Tsukasamachi, Chiyoda-k, Tokyo 48, 〒1010048, JP)
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