Patent ID: 7294681
Filing Date: 2007-11-13
Classification: C08F,C08L,C09J,Y10S

Abstract:
1. A branched olefin polymer prepared from a continuous process comprising the steps of: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 5% or less under selected polymerization conditions; 2) selecting a second catalyst component capable of producing polymer having an Mw of 100,000 or less and a crystallinity of 20% or more at the selected polymerization conditions; 3) contacting the catalyst components in the presence of one or more activators with one or more C3 to C40 olefins; 4) at a temperature of greater than 100° C.; and 5) at a residence time of 120 minutes or less; 6) wherein the ratio of the first catalyst to the second catalyst is from 1:1 to 50:1; 7) wherein the activity of the catalyst components is at least 50 kilograms of polymer per gram of the catalyst compounds; and wherein at least 80% of the olefins are converted to polymer, wherein the polymer has the following properties: a) a Dot T-Peel of 1 Newton or more on Kraft paper; b) an Mw of 10,000 to 100,000; c) a branching index (g′) of 0.4-0.98 measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or  a branching index (g′) of 0.4-0.95 measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000; and d) amorphous polymer segments and semi-crystalline polymer segments.