Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1987-02-11
1988-03-08
Andrews, R. L.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204 28, C25F 500
Patent
active
047298200
ABSTRACT:
Carbon fibers subjected to an electrolytic treatment in an oxidizer bath followed by electrolytic treatment in an ammonium bath have surface elemental content of oxygen greater than 7% and nitrogen greater than 4%. Composites based on the carbon fiber in combination with bis-maleimide type matrix resins have improved toughness and interfacial bonding.
REFERENCES:
patent: 3832297 (1974-08-01), Paul
Amoco Corporation
Andrews R. L.
Magidson William H.
Medhurst Ralph C.
Schlott Richard J.
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