公开(公告)号：US3751547A

公开(公告)日：1973-08-07

申请号：US3751547D

申请日：1971-06-28

Applicant: UNITIKA LTD

Inventor： KAWAKAMI H ,  KAWABATA K ,  KIMURA K ,  SATOH H ,  MIYOSHI A

IPC: D01F6/14 ,  D02J1/22 ,  D01F7/00

CPC classification number: D02J1/228 ,  D01F6/14

Abstract: A PROCESS FOR PRODUCING HIGH MODULUS POLYVINYL ALCOHOL SYNTHETIC FIBERS WHICH COMPRISES SPIN-DRAWING POLYVINYL ALCOHOL SYNTHETIC FIBERS HAVING A HOMOGENEOUS SECTION AND THE CARRYING OUT A MULTISTAGE HOT DRAWING. POLYVINYL ALCOHOL SYNTHETIC FIBERS ARE PRODUCED BY SUCH A PROCESS.