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US 6,673,445 B2Granted
Polybenzazole fibers and their utilization
AssigneeToyo Boseki Kabushiki Kaisha
InventorsTooru Kitagawa, Hideki Sugihara, Yoshimitsu Sakaguchi, Atsushi Kaji, Yukihiro Nomura
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Abstract
Polybenzazole fibers wherein the mean square roughness of the fiber surface is 20 nm or less, or polybenzazole fibers wherein the X-ray meridian diffraction half-height width factor is 0.3°/GPa or less, and their utilization such as shock-resistant members and heat-resistant felt, etc.
Claims15
A polybenzazole fiber whose mean square roughness of the fiber surface is 20 nm or less.
A polybenzazole fiber whose the X-ray meridional diffraction half-height width factor is 0.3°/GPa or less.
Dependencies are inferred from the claim text.