FINE-DENIER POLYESTER STAPLE FIBER

To provide an ultrafine polyester staple fiber having a good handling property while maintaining a cut cotton quality and a cutting property.SOLUTION: There is provided a fine-denier polyester staple fiber with a single filament fineness of 0.2dtex or less and a fiber length of 1 to 100 mm, in which...

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Bibliographic Details
Main Author SUMITOMO RYUHEI
Format Patent
LanguageEnglish
Japanese
Published 13.10.2022
Subjects
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
TEXTILES
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Summary:To provide an ultrafine polyester staple fiber having a good handling property while maintaining a cut cotton quality and a cutting property.SOLUTION: There is provided a fine-denier polyester staple fiber with a single filament fineness of 0.2dtex or less and a fiber length of 1 to 100 mm, in which a fiber cross section of the fiber is a modified cross-section having at least three protrusions on a substantially circular arc, and a degree of the modification is 1.05 to 1.7.SELECTED DRAWING: None 【課題】カット綿品位とカット性を維持しつつ、取り扱い性の良い極細ポリエステル短繊維を提供する。【解決手段】単糸繊度が０．２ｄｔｅｘ以下、かつ繊維長が１～１００ｍｍの細繊度ポリエステル短繊維であり、繊維横断面が実質的に円形の円弧上に少なくとも３個の凸部を有する異形断面であり、その異型度が１．０５～１．７であることを特徴とする、細繊度ポリエステル短繊維。【選択図】なし
Bibliography:Application Number: JP20210057006