公开(公告)号：US3843616A

公开(公告)日：1974-10-22

申请号：US1395770

申请日：1970-02-25

Applicant: UNION CARBIDE CORP

Inventor： RICHARDSON D ,  HARKREADER G

IPC: C08F214/06 ,  C08J9/00 ,  C08F1/11 ,  C08F15/02

CPC classification number: C08J9/00 ,  C08F214/06 ,  C08J2327/06

Abstract: A method for producing porous vinyl chloride-ethylene copolymers containing at least 98.1 per cent by weight of vinyl chloride and 0.3 to 1.9 per cent by weight of ethylene which comprises continuous one-stage suspension polymerization of vinyl chloride and ethylene; and the vinyl chloride-ethylene copolymers produced thereby.