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：BR7405132D0

公开(公告)日：1975-01-21

申请号：BR513274

申请日：1974-06-24

Applicant: TORAY INDUSTRIES

Inventor： HIDEO KOMATSU ,  ITARU NAKAMURA ,  TUNEO HANADA ,  KIYOSHI NAKAGAWA ,  ENDO T ,  MASANORI TAKEUCHI

IPC: D01D1/06 ,  D01F6/92 ,  D01F8/14 ,  D01F7/04 ,  D01D5/08 ,  D02J1/22

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.