Title:
POLYMERIZATION TANK FOR PRODUCTION OF FLUORINE-CONTAINING POLYMER AND METHOD FOR PRODUCING FLUORINE-CONTAINING POLYMER
Document Type and Number:
WIPO Patent Application WO/2023/132186
Kind Code:
A1
Abstract:
Provided is a polymerization tank that enables efficient withdrawal of a reaction mixture containing a particulate fluorine-containing polymer and water from the polymerization tank. A polymerization tank for polymerizing at least a fluorine-containing monomer through suspension polymerization in a reaction mixture that contains water to obtain a particulate fluorine-containing polymer, wherein: the polymerization tank has a side wall, a conical sloped bottom positioned below the side wall, and a withdrawal port for the reaction mixture positioned at the lower apex of the conical sloped bottom; and the apex angle of the conical sloped bottom is 90-120° inclusive.
Inventors:
MARUYA YOSHIKI (JP)
TAKAOKA HIROSHI (JP)
SUZUKI TAKAAKI (JP)
NAKAO YUKI (JP)
TAKAOKA HIROSHI (JP)
SUZUKI TAKAAKI (JP)
NAKAO YUKI (JP)
Application Number:
PCT/JP2022/045470
Publication Date:
July 13, 2023
Filing Date:
December 09, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F2/01; B01J19/08; C08F14/18; C08G85/00
Domestic Patent References:
| WO2005123805A1 | 2005-12-29 |
Foreign References:
| JPS4921300B1 | 1974-05-31 | |||
| JPS6183202A | 1986-04-26 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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