Abstract: A structural fiber product usable as an adsorbent or the like is provided. A graft component for forming a graft chain is graft-polymerized onto a structural fiber object; the structural fiber object comprises a fiber assembly comprising at least a conjugated fiber, and an ethylene-vinyl alcohol-series copolymer exists on at least part of a surface of the fiber. The graft polymerization may be conducted, for example, by exposing a structural fiber object to radiation to generate an active species and immersing the structural fiber object in a liquid containing a graft component to bring the structural fiber object into contact with the graft component. According to the method, the graft component can be polymerized at a high degree of grafting, and a structural fiber product having an excellent adsorption characteristic is obtained.

Abstract: Provided is a moldable sheet comprising a synthetic organic fiber nonwoven fabric for reinforcing resinous molded article and a resin composition having impregnated the nonwoven fabric. The nonwoven fabric comprises opened single filaments having a specific fineness and bundles of filaments laid parallel with one another having a specific total fineness distribution, said single filaments and said bundles of filaments being bonded with a binder of non-fiber form. By employing this construction, the nonwoven fabric can, when used for reinforcing resinous article, improve the impact resistance, i.e. falling ball impact resistance and Izod impact resistance, which have been poor with conventional glass-fiber reinforced resinous shaped articles, while maintaining the high mechanical strength of the resinous article.