Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-11-06
1999-07-06
Nold, Charles
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
15624417, 427536, 427539, F16L 1100
Patent
active
059193263
ABSTRACT:
The fuel hose of this invention is a fuel hose comprising a tubular fluororesin inner ply and, as laminated onto the peripheral surface thereof, a thermoplastic resin or rubber outer ply, the tubular fluororesin inner ply having been molded from a fluororesin with an F/C ratio, i.e. ratio of the number of fluorine atoms (F) to the number of carbon atoms (C), of not greater than 1.6 and the peripheral surface layer of the fluororesin inner ply having been modified into the following treated layer (A).
(A) a layer with a distribution of oxygen atoms and having an F/C ratio, i.e. ratio of the number of fluorine atoms (F) to the number of carbon atoms (C), of not greater than 1.12 and an O/C ratio, i.e. ratio of the number of oxygen atoms (O) to the number of carbon atoms (C), of not less than 0.08.
In this fuel hose of the invention, the treated layer (A) of the tubular fluororesin inner ply has a remarkably increased adhesive affinity for thermoplastic resin and rubber, with the result that the bond strength between the tubular fluororesin inner ply and the thermoplastic resin or rubber outer layer is as high as not less than 1.2 N/mm.
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Daikai Eiichi
Ito Hiroaki
Kato Kazuhiro
Murakami Koyo
Yokoe Katsuhiko
Nold Charles
Tokai Rubber Industries Ltd.
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