Abstract: The present invention relates to a block copolymer, and relates to a block copolymer capable of improving all the low temperature heat seal strength, the seal initiation temperature and the low temperature impact strength of a polyolefin-based resin composition, a method for preparing same, and a polyolefin-based resin composition comprising same.

Abstract: The present disclosure relates to a polyethylene having high degree of crosslinking and a crosslinked polyethylene pipe including the same. The polyethylene according to the present disclosure has a high content of ultra-high molecular weight, and thus a crosslinking rate is improved, and thus a sufficient degree of crosslinking is exhibited even when the crosslinking time is shortened, thereby exhibiting excellent strength and pressure resistance characteristics.

Abstract: A multiblock copolymer having a structure in which polystyrene chains are attached to both terminals of a polyolefin chain, a resin composition comprising same, and methods for preparing them are described herein.

Abstract: The present disclosure relates to a crosslinked polyethylene pipe having excellent physical properties. The crosslinked polyethylene pipe according to the present disclosure has optimized the degree of crosslinking and storage modulus by finding out the optimum physical property range between the degree of crosslinking and the storage modulus which have a mutual trade-off relationship, whereby the crosslinked polyethylene pipe according to the present disclosure has excellent long-term durability and short-term pressure resistance, and thus can be applied to various fields requiring these physical properties.

Abstract: The present disclosure relates to a polyethylene having high pressure resistance and a crosslinked polyethylene pipe including the same. The polyethylene according to the present disclosure has high melt index and density and exhibits a sufficient degree of crosslinking, thereby exhibiting excellent strength and pressure resistance characteristics.

Abstract: The present disclosure provides an olefin polymer having excellent film processability and physical properties, and a preparation method of the same.

Abstract: Provided are a pellet-type polyethylene resin composition capable of improving pipe pressure resistance property, dimensional stability, and processability at the same time, and a method of preparing the same.

Abstract: The present disclosure relates to a polyethylene having high pressure resistance and a crosslinked polyethylene pipe including the same. The polyethylene according to the present disclosure has high melt index and density and exhibits a sufficient degree of crosslinking, thereby exhibiting excellent strength and pressure resistance characteristics.

Abstract: The present disclosure relates to a crosslinked polyethylene pipe having excellent physical properties. The crosslinked polyethylene pipe according to the present disclosure has optimized the degree of crosslinking and storage modulus by finding out the optimum physical property range between the degree of crosslinking and the storage modulus which have a mutual trade-off relationship, whereby the crosslinked polyethylene pipe according to the present disclosure has excellent long-term durability and short-term pressure resistance, and thus can be applied to various fields requiring these physical properties.

Abstract: The present disclosure provides an olefin polymer having excellent film processability and physical properties, and a preparation method of the same.

Abstract: The present disclosure relates to a polyethylene having high degree of crosslinking and a crosslinked polyethylene pipe including the same. The polyethylene according to the present disclosure has a high content of ultra-high molecular weight, and thus a crosslinking rate is improved, and thus a sufficient degree of crosslinking is exhibited even when the crosslinking time is shortened, thereby exhibiting excellent strength and pressure resistance characteristics.

Abstract: Provided is a polyethylene resin film exhibiting more improved transparency while exhibiting excellent processability and mechanical properties. The polyethylene resin film having a density of 0.910 g/cm3 to 0.930 g/cm3, and a haze of 10% or less at a thickness of 90 ?m to 110 ?m includes a first polyethylene resin and a second polyethylene resin at a weight ratio of 6:4 to 8:2, wherein the first polyethylene resin has an MFRR (21.6/2.16) value of 27 to 40, and the second polyethylene resin has an MFRR (21.6/2.16) value of 15 to 23, and the MFRR (21.6/2.16) value is obtained by dividing a melt flow rate (MFR21.6) measured at a temperature of 230° C. under a load of 21.6 kg in accordance with ISO 1133 by a melt flow rate (MFR2.16) measured at a temperature of 230° C. under a load of 2.16 kg in accordance with ISO 1133.

Abstract: The present invention provides a hybrid supported catalyst capable of easily preparing an olefin polymer capable of having improved melt strength even while having appropriate molecular weight distribution, and thus having improved bubble stability and exhibiting excellent blown film processability, and a method for preparing an olefin polymer using the same.

Abstract: The present disclosure provides a supported hybrid catalyst which facilitates the preparation of polyolefins having improved bubble stability and exhibiting excellent processability for a blown film while maintaining high transparent haze and improved melt strength, and a method for preparing the same.

Abstract: The present invention relates to an olefin polymer and a preparation method thereof. The olefin polymer exhibits excellent mechanical strength and high processability, and thus is expected to be utilized as a material for various products. Particularly, the olefin polymer can be stably produced into films by a melt-blowing process and thus is expected to be usefully used as a material for products prepared by a melt-blowing process.

Abstract: Provided is a polyethylene resin film exhibiting more improved transparency while exhibiting excellent processability and mechanical properties. The polyethylene resin film having a density of 0.910 g/cm3 to 0.930 g/cm3, and a haze of 10% or less at a thickness of 90 ?m to 110 ?m includes a first polyethylene resin and a second polyethylene resin at a weight ratio of 6:4 to 8:2, wherein the first polyethylene resin has an MFRR (21.6/2.16) value of 27 to 40, and the second polyethylene resin has an MFRR (21.6/2.16) value of 15 to 23, and the MFRR (21.6/2.16) value is obtained by dividing a melt flow rate (MFR21.6) measured at a temperature of 230° C. under a load of 21.6 kg in accordance with ISO 1133 by a melt flow rate (MFR2.16) measured at a temperature of 230° C. under a load of 2.16 kg in accordance with ISO 1133.

Abstract: The present invention provides an olefin polymer in which LCB (long chain branch) is introduced into mLLDPE (metallocene linear low-density polyethylene) to control the storage modulus, whereby the olefin polymer has excellent bubble stability and processing load characteristics and exhibits excellent processability during preparation of a film, and further has excellent mechanical properties and transparency.

Abstract: The present invention provides a hybrid supported catalyst capable of easily preparing an olefin polymer capable of having improved melt strength even while having appropriate molecular weight distribution, and thus having improved bubble stability and exhibiting excellent blown film processability, and a method for preparing an olefin polymer using the same.

Abstract: The present disclosure provides a supported hybrid catalyst which facilitates the preparation of polyolefins having improved bubble stability and exhibiting excellent processability for a blown film while maintaining high transparent haze and improved melt strength, and a method for preparing the same.

Abstract: The low density polyethylene copolymer according to the present invention is characterized in that as LCB (Long Chain Branch) is introduced into LLDPE, the melt strength is remarkably high even without blending with LDPE, and thus it can be advantageously applied to blown film processing and the like.