高強度炭素繊維束へのポリイミド含浸性

概要

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On the assumption that an impregnation of polyimide using the filament winding method, the impregnating ability of polyimide into a PAN based high strength carbon fiber bundle was discussed. Polyimide precursor solution (Skybond 703) for the prepreg manufacturing process was diluted to control viscosity in a range from 0.01 to 1.41 Pa・s by n-methyl-2-pirroridon (NMP). Impregnation into a carbon fiber bundle (T1000 GB-12000) was under atmospheric pressure. The impregnated bundle was heat to 343℃ for imidization. The bundle was held vertically and also horizontally on a substrate. Fiber volume content of the prepared bundle was measured from the cross-sectional morphology by optical microscopy. When the impregnated bundle is laid level on a substrate buring the heating process, the viscosity of the precorsor solution from 0.1 to 0.6 Pa・s must be adjusted to obtain the desired fiber volume content of 50-60 vol% for the carbon fiber reinforced polyimide.
一般社団法人日本機械学会の論文
2006-10-25