Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Reexamination Certificate
2011-07-19
2011-07-19
Edwards, N. (Department: 1798)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
C264S257000, C156S185000, C156S245000
Reexamination Certificate
active
07981500
ABSTRACT:
There are provided a carbon fiber reinforced prepreg of gas barrier properties comprising a sheet-like carbon fiber reinforcement and a matrix resin including therein a gas barrier layer having a clay mineral with a plate-like crystal structure unidirectionally aligned and densely laminated, and a carbon fiber reinforced plastic produced from the carbon fiber reinforced prepreg. Such prepreg is obtained by disposing a film material of gas barrier properties having a clay mineral with a plate-like crystal structure unidirectionally aligned and densely laminated, in at least one interlayer of a laminate of a carbon fiber reinforced prepreg comprising a sheet form carbon fiber reinforcement and a matrix resin; and then heating and/or pressurizing the laminate. The carbon fiber-reinforced composite material of the invention exhibits high gas barrier properties, and particularly hydrogen gas barrier properties.
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Ebina Takeo
Kamiya Shoji
Mizukami Fujio
Okuyama Keiichi
Yonemoto Koichi
Edwards N.
Institute of National Colleges of Technology, Japan
Kawasaki Jukogyo Kabushiki Kaisha
Kyushu Institute of Technology
National Institute of Advanced Industrial Science and Technology
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