Title:
WATER TREATMENT METHOD AND COMPOSITION
Document Type and Number:
Japanese Patent JP2023160860
Kind Code:
A
Abstract:
To provide a novel treatment method for removing a specific polymer from water.SOLUTION: A water treatment method comprises a removal step of removing a polymer (I) containing a polymerization unit (I) based on a monomer represented by the following general formula (I) from water containing the polymer (I): CX1X3=CX2R(-CZ1Z2-A0)m (I), wherein X1 and X3 are each independently F, Cl, H, or CF3; X2 is H, F, an alkyl group, or a fluorine-containing alkyl group; A0 is an anionic group; R is a linking group; Z1 and Z2 are each independently H, F, an alkyl group, or a fluorine-containing alkyl group; and m is an integer of 1 or more.SELECTED DRAWING: None
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Inventors:
TAIRA TAKAHIRO
HAYASHI TADAO
FUKITA NOBUO
YOSHIDA HIROTOSHI
HAYASHI TADAO
FUKITA NOBUO
YOSHIDA HIROTOSHI
Application Number:
JP2023138790A
Publication Date:
November 02, 2023
Filing Date:
August 29, 2023
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
C02F1/52; B01D21/01; B01D37/02; C02F1/28; C02F1/44; C02F1/56; C08L27/12; C08L27/18
Attorney, Agent or Firm:
Patent Attorney Corporation Tokoshie Patent Office