Title:
METHOD FOR PRODUCING PURIFIED FLUOROPOLYMER
Document Type and Number:
Japanese Patent JP2019194314
Kind Code:
A
Abstract:
To provide a method for producing a purified fluoropolymer in which the number of terminal groups capable of fluorination has been reduced.SOLUTION: The method for producing a purified fluoropolymer is characterized by comprising: step (a), in which a fluoropolymer is melted to give a molten fluoropolymer; step (b), in which reaction-inhibiting substances are diminished from the molten fluoropolymer; step (c), in which after step (b), the molten fluoropolymer is brought into contact with an active substance; and step (d), in which after the step (c), volatile matter is removed from the molten fluoropolymer.SELECTED DRAWING: Figure 1
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Inventors:
ISAKA TADAHARU
FUKAGAWA RYOICHI
YABU TADAHIRO
FUKAGAWA RYOICHI
YABU TADAHIRO
Application Number:
JP2019080876A
Publication Date:
November 07, 2019
Filing Date:
April 22, 2019
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
C08F8/20; C08F14/26
Domestic Patent References:
| JPS60171110A | 1985-09-04 | |||
| JPS62104822A | 1987-05-15 | |||
| JP2015516024A | 2015-06-04 | |||
| JP2006505680A | 2006-02-16 |
Foreign References:
| WO2016031675A1 | 2016-03-03 |
Attorney, Agent or Firm:
Atomi International Patent Office