Spin size and thermosetting aid for pitch fibers

Details Spin size and thermosetting aid for pitch fibers Spin size and thermosetting aid for pitch fibers

1979-01-29

1981-06-23

Woo, Jay H.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 292, 264130, 4234475, D01F 912

Patent

active

042750512

ABSTRACT:
A method of treating a multifilament bundle of pitch fibers, such as yarn or tow, to prepare such multifilament bundle for further processing which comprises applying to the fibers thereof an aqueous finishing composition comprising a dispersion of graphite or carbon black in water in which is dissolved a water-soluble oxidizing agent and a water-soluble surfactant. The finishing composition serves as both a size for the fiber bundle and as a thermosetting aid during infusibilization of the fibers.

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patent: 4020145 (1977-04-01), Soehngen et al.
patent: 4024227 (1977-05-01), Kishimoto et al.

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