JAEA
  • help
  • PC | SP
  • JP | EN
          
Refine your search：     
Report No.
 - 
Clear All
Search Results: Records 1-4 displayed on this page of 4
  • 1

Presentation/Publication Type

Initialising ...

Refine

Journal/Book Title

Initialising ...

Meeting title

Initialising ...

First Author

Initialising ...

Keyword

Initialising ...

Language

Initialising ...

Publication Year

Initialising ...

Held year of conference

Initialising ...

Save select records

Oral presentation

Development of hydrogen selective separation membrane using radiation induced graft polymerization

Hasegawa, Shin; Koshikawa, Hiroshi; Sawada, Shinichi; Maekawa, Yasunari; Hashimoto, Naoyuki*; Isobe, Shigehito*

no journal, , 

For establishing a safe and non-electric power type explosion prevention system with hydrogen storage materials, hydrogen permselective membranes against oxygen and water vapor have been developed. Using a radiation-induced grafting method, 4-trimethoxysilylstyrene (TMSS) and acrylic acid (AAc) monomers were introduced onto porous poly(vinylidene fluoride) (PVDF) films to obtain TMSS- and AAc-grafted PVDF membranes with grafting degrees of 29 and 24%. The TMSS- and AAc-grafted PVDF membranes showed permeabilities of hydrogen 3.5 and 12 time higher than those of water vapor. The above results indicated that radiation-grafting of porous films should be very effective method to obtain hydrogen permselective membranes.

Oral presentation

Alicyclic polybenzimidazole electrolyte membranes prepared by radiation-induced graftpolymerization; Enhancement of mechanical property by blending

Asano, Masaharu; Maekawa, Yasunari; Park, J.*; Takayama, Toshio*; Kudo, Kazuaki*

no journal, , 

no abstracts in English

Oral presentation

Anion-exchange porous polymer sheet for rapid analysis of $$^{237}$$Np in spent nuclear fuel

Asai, Shiho; Hanzawa, Yukiko; Konda, Miki; Suzuki, Daisuke; Magara, Masaaki; Kimura, Takaumi; Ishihara, Ryo*; Saito, Kyoichi*; Yamada, Shinsuke*; Hirota, Hideyuki*

no journal, , 

no abstracts in English

Oral presentation

Kinetic analysis of ion-track grafting reactions

Yamaki, Tetsuya; Sekine, Toshihiko*; Sawada, Shinichi; Koshikawa, Hiroshi; Suzuki, Akihiro*; Terai, Takayuki*; Asano, Masaharu; Maekawa, Yasunari

no journal, , 

This study concerns how irradiation conditions affected the ion-track grafting of styrene into a poly(ethylene-${it co}$-tetrafluoroethylene) base film. The grafting was performed by the pre-irradiation method using an isopropanol/water mixture as a medium. The grafting kinetics in terms of the initial polymerization rate (r$$_{p0}$$), radical recombination rate ($$gamma$$) and delay time (t$$_{0}$$) was evaluated. The rate and the extent of grafting were found to be strongly dependent on the irradiation conditions. This means that the structure of the ion track would be one of the most important parameters determining the grafting kinetics.

4 (Records 1-4 displayed on this page)
  • 1