Composite fiber of cellulose-polyvinylalcohol and preparation method thereof

摘要

The present invention relates to a method of preparing a cellulose/polyvinylalcohol composite fiber, including the steps of:
i) preparing a dope including cellulose and polyvinylalcohol in a weight ratio of 70:30 to 99:1;
ii) extrusion spinning the dope through spinning nozzles;
iii) cross-linking and solidifying the spun composite filaments; and
iv) washing the cross-linked and solidified filaments.