The invention relates to coffee
viscose fiber, which is prepared by crude materials including cotton pulp and coffee residue, wherein the content of the coffee residue accounts for 10 to 30 wt% of
cellulose. A preparation method of the coffee
viscose fiber comprises the following steps: taking pulp as a crude material for staple
fiber production; performing processes including dipping, squeezing, crushing, aging, yellowing, dissolving, defoaming, and filtering so as to obtain a
viscose solution;
grinding coffee residue into
powder and dispersing the
powder into an
aqueous solution to obtain a
slurry; adding the
slurry into the viscose solution to obtain a
spinning viscose
stock solution, wherein the addition amount of the coffee residue accounts for 10 to 30% by weight of the
cellulose of the viscose solution; and carrying out
spinning and molding on the prepared
spinning viscose
stock solution in a coagulating bath, and performing processes of drafting, refining, and
drying to obtain a finished product of the coffee
viscose fiber. According to the invention, the coffee residue, which is distributed evenly in the fiber, is not easy to be lost, so that the antibiotic and
odor resistant functions of the coffee residue are lasting. The coffee
viscose fiber not only has functions of bacteriostasis, deodorization, and
moisture absorption and
perspiration, but also has characteristics of
moisture absorption and air permeability as well as comfortable wearing property of the
viscose fiber. Textiles made from the coffee viscose fibers have a good
moisture adsorption performance and a good
moisture regain rate as well as have characteristics of comfortable hand feeling and softness and
dryness.