| abstract |
An addition polymerization process, in which propylene and ethylene, or propylene, ethylene and one or more monomers selected from the group consisting of 1-octene, 4-methyl-1-pentene, ethylideneborborne, 2,4-hexadiene are copolymerized and 1-butene are copolymerized at a temperature of 100 to 130 ° C, a pressure of 100kPa at 10 MPa, and a partial pressure of hydrogen of 25 to 500 kPa, characterized in that the catalytic composition comprises a metal complex corresponding to the formula: where X is an anionic ligand group; and covalent bonds are represented by lines and coordination interactions are represented by arrows, and a co-catalyst, and wherein the process is a solution polymerization process. |