| abstract |
It is an object of the present invention to provide a polyamide fiber for water jet loom untwisted and non-glue weaving that has a high commercial value and is free from jet contamination problems. SOLUTION: A polyamide fiber and a chelating agent provided with an oil agent composition containing a chelating agent include ethylenediamine tetraacetate, hydroxyethylenediamine triacetate and nitrilotriacetate, crown ether compound and porphyrin compound. One or more selected from the group consisting of one or more compounds selected from the group consisting of ethylenediamine tetraacetate, hydroxyethylenediamine triacetate and nitrilotriacetic acid, and crown ether The polyamide fiber, which is a blend with one or more compounds selected from a compound and a porphyrin compound. [Selection figure] None |