DEORORIZING FIBER, PROCESS FOR PREPARING THE SAME, AND DEODORIZING FIBER PRODUCT

摘要

Described is a deodorizing fiber having an acid group in the fiber substrate of the fiber in a proportionate amount of 0.01 - 2.5 mol/kg fiber and an amino group containing compound in a proportionate amount of 0.03 - 3 mol/kg fiber and the amino group containing compound being chemically bonded in the fiber between the acid group and at least a part of the amino group contained in the amino group containing compound. The acid group can be carboxyl group and/or sulfonic acid group. A preferred amino group containing compound is a water soluble polyimine having a molecular weight of 1,000 - 200,000. The fiber of the invention is preferably prepared by impregnating or immersing a never-dried wet spun acrylic fiber with an aqueous solution of a water soluble polyamine, and heat treating the impregnated fiber at a temperature between 100 and 180 DEG C. A textile article made from the deodorizing fiber of the invention in combination with a deodorizing fiber having an anionic functional group can remove an objectionable compound smell or odor in the ambient atmosphere.