Patent ID: 7087093

Claim:
A method for modifying fibers, comprising the steps of: applying a solution of a low substituted cellulose ether having a molar degree of substitution with alkyl and/or hydroxyalkyl groups in the range of 0.18 to 0.7 in an aqueous sodium hydroxide solution to fibers, and causing the solution borne on fibers to coagulate, wherein said low substituted cellulose ether is at least one selected from the group consisting of low substituted methyl cellulose, low substituted ethyl cellulose, low substituted hydroxypropyl cellulose, low substituted hydroxypropyl methyl cellulose, low substituted hydroxyethyl methyl cellulose and low substituted hydroxyethyl ethyl cellulose, and the aqueous sodium hydroxide solution consists of water and sodium hydroxide.