Title:
FLUORORESIN, AND PRODUCTION METHOD THEREOF
Document Type and Number:
Japanese Patent JP2023115245
Kind Code:
A
Abstract:
To provide a fluororesin having coloration reduced when heated and a production method of a fluororesin.SOLUTION: A fluororesin contains a residue unit represented by the following general formula (1) and has a total content of chrome, iron, and nickel of 500 mass ppb or less. (in the formula (1), Rf1, Rf2, Rf3, and Rf4 each independently indicate a linear, branched, or cyclic perfluoroalkyl group that may have a fluorine atom or a C1-7 ethereal oxygen atom. Rf1, Rf2, Rf3, and Rf4 may bond to each other to form a perfluoro aliphatic ring that may have a C4-8 ethereal oxygen atom.)SELECTED DRAWING: None
Inventors:
IWANAGA KAZUYA
SHIMONO TOMOYA
SAKAGUCHI KOTA
TANABIKI MASAO
SHIMONO TOMOYA
SAKAGUCHI KOTA
TANABIKI MASAO
Application Number:
JP2023106017A
Publication Date:
August 18, 2023
Filing Date:
June 28, 2023
Export Citation:
Assignee:
TOSOH CORP
International Classes:
C08F14/18
Attorney, Agent or Firm:
Sykes Patent Attorney Corporation