Dyed polypropylene fiber structures, medical products using the same, and dyes for dyeing using supercritical carbon dioxide fluid as a dyeing medium

摘要

The dyed polypropylene fiber structure of one aspect of the present invention has the following general formula (1): [Tue 1] (In the formula, R ₁ is a linear or branched alkyl group having 4 to 14 carbon atoms.) It is dyed with a blue dye that appears as