Patent ID: 6037442
Filing Date: 2000-03-14
Classification: C08G

Abstract:
A polymerization process, comprising, contacting, at a temperature of about -90.degree. C. to about 270.degree. C.:(a) one or both of carbon monoxide and sulfur dioxide;(b) one or more olefins of the formula H.sub.2 C.dbd.CHR.sup.1, wherein each R.sup.1 is independently hydrogen or n-alkyl containing 1 to 20 carbon atoms;(c) an active Lewis acid selected from the group consisting of a halide of titanium, iron, and a Group 13 element; and(d) a metal or compound of a metal selected from the group consisting of aluminum, chromium, cobalt, copper, a rare earth metal, iridium, manganese, molybdenum, nickel, niobium, platinum, rhodium, ruthenium, scandium, silver, tin, vanadium, zinc, zirconium, tungsten, titanium, iron and palladium;and provided that a polymer produced in said polymerization process is an alternating copolymer.