Invention Grant
US08236213B2 Process for producing perfluoropolymer, production apparatus and process for producing electrolyte membrane for polymer electrolyte fuel cells
有权
制造全氟聚合物的方法，生产装置和用于生产用于聚合物电解质燃料电池的电解质膜的方法
- Patent Title: Process for producing perfluoropolymer, production apparatus and process for producing electrolyte membrane for polymer electrolyte fuel cells
- Patent Title (中): 制造全氟聚合物的方法，生产装置和用于生产用于聚合物电解质燃料电池的电解质膜的方法
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Application No.: US12121095Application Date: 2008-05-15
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Publication No.: US08236213B2Publication Date: 2012-08-07
- Inventor: Nobuyuki Kasahara , Noriaki Miyaki , Fusaaki Takeo , Satoshi Shiratori
- Applicant: Nobuyuki Kasahara , Noriaki Miyaki , Fusaaki Takeo , Satoshi Shiratori
- Applicant Address: JP Tokyo
- Assignee: Asahi Glass Company, Limited
- Current Assignee: Asahi Glass Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-130350 20070516
- Main IPC: B27N3/08
- IPC: B27N3/08 ; C08F14/18
Abstract:
A process for producing a perfluoropolymer, the process including extruding a polymer obtained by polymerizing a perfluoromonomer to prepare strands, and bringing a gas comprising from 3 to 50 volume % of fluorine gas into contact with the strands; the process being conducted on an apparatus that includes an extruder for melting and extruding the polymer obtained by polymerizing a perfluoromonomer, a die having a plurality of pores for preparing the strands from the molten polymer extruded, and a fluorination tank for bringing the gas comprising from 3 to 50 volume % of fluorine gas into contact with the strands.
Public/Granted literature
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