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Fuel cell membrane preparation: effects of base polymer

Abstract

Radiation grafted films and membranes prepared from the partially fluorinated base copolymer poly(ethylene-alt-tetrafluoroethylene) or ETFE have better mechanical properties than those prepared from poly(tetrafluoroethylene-co-hexafluoropropylene) or FEP. The influence of the base copolymer film type on the grafting rate and yields is reported in the present investigation. An understanding of the effects of these parameters is important so that the grafting process can be carried out reproducibly in as short a time as possible. The grafting rate and yield as a function of the irradiation dose has been found to be much higher for the partially fluorinated base copolymer ETFE. (author) 2 figs., 1 tab., 5 refs.
Authors:
Brack, H P; Scherer, G G [1] 
  1. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
Publication Date:
Jun 01, 1997
Product Type:
Miscellaneous
Report Number:
ETDE/CH-mf-97750556
Reference Number:
SCA: 300501; 300503; PA: CH-97:0E0212; EDB-97:091672; SN: 97001800483
Resource Relation:
Other Information: PBD: 1997; Related Information: Is Part Of Paul Scherrer Institut annual report 1996. Annex V: PSI general energy technology newsletter 1996; Daum, C.; Leuenberger, J. [eds.]; PB: 125 p.
Subject:
30 DIRECT ENERGY CONVERSION; FUEL CELLS; MEMBRANES; FABRICATION; IRRADIATION; GAMMA RADIATION; ORGANIC POLYMERS; ORGANIC FLUORINE COMPOUNDS; CHEMICAL RADIATION EFFECTS; FILMS; EXPERIMENTAL DATA
OSTI ID:
492043
Country of Origin:
Switzerland
Language:
English
Other Identifying Numbers:
Other: ON: DE97750556; TRN: CH97E0212
Availability:
OSTI as DE97750556
Submitting Site:
CH
Size:
pp. 53-54
Announcement Date:
Jul 24, 1997

Citation Formats

Brack, H P, and Scherer, G G. Fuel cell membrane preparation: effects of base polymer. Switzerland: N. p., 1997. Web.
Brack, H P, & Scherer, G G. Fuel cell membrane preparation: effects of base polymer. Switzerland.
Brack, H P, and Scherer, G G. 1997. "Fuel cell membrane preparation: effects of base polymer." Switzerland.
@misc{etde_492043,
title = {Fuel cell membrane preparation: effects of base polymer}
author = {Brack, H P, and Scherer, G G}
abstractNote = {Radiation grafted films and membranes prepared from the partially fluorinated base copolymer poly(ethylene-alt-tetrafluoroethylene) or ETFE have better mechanical properties than those prepared from poly(tetrafluoroethylene-co-hexafluoropropylene) or FEP. The influence of the base copolymer film type on the grafting rate and yields is reported in the present investigation. An understanding of the effects of these parameters is important so that the grafting process can be carried out reproducibly in as short a time as possible. The grafting rate and yield as a function of the irradiation dose has been found to be much higher for the partially fluorinated base copolymer ETFE. (author) 2 figs., 1 tab., 5 refs.}
place = {Switzerland}
year = {1997}
month = {Jun}
}