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Title:
METHOD FOR PRODUCING HIGH-PURITY FLUOROPOLYMER-CONTAINING COMPOSITION, AND HIGH-PURITY FLUOROPOLYMER-CONTAINING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/277140
Kind Code:
A1
Abstract:
A method for producing a high-purity fluoropolymer-containing composition is provided in which a composition including a fluoropolymer and a polymer (I) containing a polymerized unit (I) based on a monomer (I) represented by general formula (I) is subjected to a treatment with fluorine radicals to thereby obtain the high-purity fluoropolymer-containing composition.　Formula (I): CX1X3=CX2R(-CZ1Z2-A0)m (In the formula, X1 and X3 are each independently F, Cl, H, or CF3; X2 is H, F, an alkyl group, or a fluoroalkyl group; A0 is an anionic group; R is a linking group; Z1 and Z2 are each independently H, F, an alkyl group, or a fluoroalkyl group; and m is an integer of 1 or larger.)

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Inventors:
TAIRA TAKAHIRO (JP)
MISHIMA KAZUHIRO (JP)
OKUI CHIAKI (JP)
YOSHIDA HIROTOSHI (JP)
KATO TAKETO (JP)
YAMANAKA TAKU (JP)
Application Number:
PCT/JP2022/026264
Publication Date:
January 05, 2023
Filing Date:
June 30, 2022
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F8/00; C08F2/44; C08F14/26
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Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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