| 摘要 |
A method for producing a liquid crystalline polyester impregnated fiber sheet, comprising a step of impregnating a fiber sheet composed of an aramid fiber or a polybenzazole fiber with a liquid composition containing a liquid crystalline polyester and an aprotic solvent free of a halogen atom and a step of removing the solvent from the fiber sheet impregnated with the liquid composition. As the above mentioned solvent, N,N-dimethylformamide, N,N-dimethylacetamide and N-methylpyrrolidone are preferably used. As the above mentioned sheet, textiles are preferably used. |
