公开(公告)号：DE1951879A1

公开(公告)日：1971-04-29

申请号：DE1951879

申请日：1969-10-15

Applicant: BASF AG

Inventor： STARK KURT DR ,  GROPPER HANS DR ,  URBAN FRIEDRICH DR ,  PFANNMUELLER HELMUT DR

IPC: C08F10/00 ,  C08F3/04

公开(公告)号：DE1943698A1

公开(公告)日：1971-03-11

申请号：DE1943698

申请日：1969-08-28

Applicant: BASF AG

Inventor： GROPPER HANS DR ,  STARK KURT DR ,  PFANNMUELLER HELMUT DR ,  URBAN FRIEDRICH

IPC: C08F10/00 ,  C08F3/04

Abstract: 1310739 Polymerizing ethylene BADISCHE ANILIN- & SODA-FABRIK AG 27 Aug 1970 [28 Aug 1969] 41190/70 Heading C3P Ethylene is polymerized at 150‹ to 400‹ C. under high pressure in the presence of 1 to 50 molar parts per million of methyl isobutyl ketone peroxide. A mixture of oxygen and methyl isobutyl ketone peroxide in a weight ratio of 0À1 : 1 to 5 : 1 may be used as initiator, and conventional polymerization regulators may be present. The process may be effected batchwise or continuously in a tubular reactor. The product is stiff transparent polyethylene of density 0À924 to 0À935 g./c.c. In examples ethylene is polymerized in the presence of methyl isobutyl ketone peroxide and (1) acetone, (2) methyl ethyl ketone and (3) oxygen and methyl ethyl ketone.