公开(公告)号：BR7306512D0

公开(公告)日：1975-04-08

申请号：BR651273

申请日：1973-08-23

Applicant: TORAY INDUSTRIES

Inventor： ENDO T ,  TAKEUCHI M ,  TAKAGI Y

IPC: C09K3/18 ,  D06M11/04 ,  D06M15/66

公开(公告)号：DE2430533A1

公开(公告)日：1975-01-23

申请号：DE2430533

申请日：1974-06-25

Applicant: TORAY INDUSTRIES

Inventor： ENDO TADAKAZU ,  TAKEUCHI M ,  HANADA TUNEO ,  NAKAGAWA KIYOSHI ,  KOMATSU HIDEO ,  NAKAMAURA ITARU

IPC: D01D1/06 ,  D01F6/92 ,  D01F8/14

Abstract: A polyester filament in which a polyether-polyester block copolymer is dispersed as fine striae along the filament axis, at least one of which is substantially endless. Process for preparing the same includes a melt spinning apparatus with static mixing elements interposed between separate molten polymer feed passageways and spinneret holes.