| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of removing a sizing agent that accomplishes continuous removing of sizing agent within a short period of time while suppressing any damage on fiber bundle (yarn) and ensures easy realization by simple construction, thereby excelling in practical utility. SOLUTION: The method of removing a sizing agent is one for removal of sizing agent adhering to yarn 1 obtained by collecting multiple fiber filaments, or a fiber body obtained by weaving weft and warp yarns resulting from collection of multiple fiber filaments, or a fiber body obtained by unidirectional draw arrangement of yarns resulting from collection of multiple fiber filaments, comprising allowing continuous passage of the yarn 1 or fiber body through solvent 2 capable of dissolving the sizing agent under generation of bubbles 3 so as to attain removal of the sizing agent from the yarn 1 or fiber body. COPYRIGHT: (C)2009,JPO&INPIT
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