A block copolymer composition is disclosed herein. In some embodiments, a block copolymer composition has a weight average molecular weight (M.sub.w) of 70,000 g/mol to 120,000 g/mol, a polydispersity index (PDI) of 1.0 to 2.0, a glass transition temperature (T.sub.g) of −55° C. to −30° C., and a melt index (MI), measured at 230° C. and a loading condition of 5 kg, of 0.2 g/10 minutes to 3.0 g/10 minutes. The block copolymer composition has excellent processability.

This disclosure includes a polymer blend comprising. The polymer blend includes at least 60% by weight olefin-based polymer, and a diblock copolymer comprising an non-polar block and a polar block, wherein the diblock copolymer has a number average molecular weight number (M.sub.n) less than 5000 g/mol as determined by proton nuclear magnetic resonance (.sup.1H NMR); and wherein the non-polar block and the polar block are connected by a thiol linkage.

This disclosure includes a polymer blend comprising. The polymer blend includes at least 60% by weight olefin-based polymer, and a diblock copolymer comprising an non-polar block and a polar block, wherein the diblock copolymer has a number average molecular weight number (M.sub.n) less than 5000 g/mol as determined by proton nuclear magnetic resonance (.sup.1H NMR); and wherein the non-polar block and the polar block are connected by a thiol linkage.

The present invention relates to a catalyst composition including a transition metal compound represented by the following Formula 1; and one or more of a compound represented by the following Formula 2, a compound represented by the following Formula 3 and a compound represented by the following Formula 4. The catalyst composition according to the present invention has excellent copolymerization properties, and can be usefully used as a catalyst for a polymerization reaction for preparing an olefin-based polymer having a high molecular weight.

The present invention relates to a catalyst composition including a transition metal compound represented by the following Formula 1; and one or more of a compound represented by the following Formula 2, a compound represented by the following Formula 3 and a compound represented by the following Formula 4. The catalyst composition according to the present invention has excellent copolymerization properties, and can be usefully used as a catalyst for a polymerization reaction for preparing an olefin-based polymer having a high molecular weight.

The present disclosure is directed to a silicon-terminated telechelic polyolefin composition comprising a compound of formula (I). Embodiments related to a process for preparing the silicon-terminated telechelic polyolefin composition comprising a compound of formula (I), the process comprising combining starting materials comprising (A) a silicon-terminated organo-metal compound and (B) a silicon-based functionalization agent, thereby obtaining a product comprising the silicon-terminated telechelic polyolefin composition. In further embodiments, the starting materials of the process may further comprise (C) a nitrogen containing heterocycle. In further embodiments, the starting materials of the process may further comprise (D) a solvent.

The present disclosure is directed to a silicon-terminated telechelic polyolefin composition comprising a compound of formula (I). Embodiments related to a process for preparing the silicon-terminated telechelic polyolefin composition comprising a compound of formula (I), the process comprising combining starting materials comprising (A) a silicon-terminated organo-metal compound and (B) a silicon-based functionalization agent, thereby obtaining a product comprising the silicon-terminated telechelic polyolefin composition. In further embodiments, the starting materials of the process may further comprise (C) a nitrogen containing heterocycle. In further embodiments, the starting materials of the process may further comprise (D) a solvent.

A block copolymer composition is disclosed herein. In some embodiments, the block copolymer composition includes a diblock copolymer and a triblock copolymer which each include a polyolefin-based block and a polystyrene-based block. A content of the diblock copolymer is less than or equal to 19% by weight, based on the total weight of the block copolymer composition, the polyolefin-based block includes a repeating unit represented by Formula 1, and the polystyrene-based block includes one or more selected from the group consisting of Formulas 2 and 3.

A block copolymer composition is disclosed herein. In some embodiments, the block copolymer composition includes a diblock copolymer and a triblock copolymer which each include a polyolefin-based block and a polystyrene-based block. A content of the diblock copolymer is less than or equal to 19% by weight, based on the total weight of the block copolymer composition, the polyolefin-based block includes a repeating unit represented by Formula 1, and the polystyrene-based block includes one or more selected from the group consisting of Formulas 2 and 3.

The present disclosure relates to silyl-bridged pyridylamide transition metal complexes and catalyst systems including silyl-bridged pyridylamide transition metal complexes and their use in polymerization processes to produce polyolefin polymers, such as polyethylene polymers and polypropylene polymers, from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support.