Abstract: Provided are a polyethylene resin composition having excellent stretchability and physical properties, and a biaxially stretched film using the same, wherein the polyethylene resin composition satisfies specific requirements of a density, an NCD index, a bimodal molecular weight distribution curve, a content of a highly crystalline fraction eluted at an elution temperature of 100° C. or higher, and a Z-average molecular weight (Mz).

Abstract: Provided are a polyethylene resin composition having excellent stretchability and physical properties, and a biaxially stretched film using the same, wherein the polyethylene resin composition satisfies specific requirements of a ratio (WLC/WHC) of a low-crystalline polymer content (WLC) in a low temperature range of Tm of 100° C. or lower to a high-crystalline polymer content (WHC) in a high temperature range of Tm of 120° C. or higher when a relative content of a peak area according to a melting temperature (Tm) (C) is measured using SSA (Successive Self-nucleation and Annealing) analysis, a density, and a melt index (MI2.16).

Abstract: Provided is a polyethylene resin composition having excellent stretchability and process stability, and a stretched film prepared using the same, wherein the polyethylene resin composition comprises a copolymer of ethylene and two or more kinds of C4 to C10 alpha olefin comonomers, and satisfying that in a molecular weight distribution curve, an area ratio of a region wherein log Mw?6.0 to a total area of the molecular weight distribution curve is 2 to 8%, and an area ratio of a region wherein log Mw?3.5 to a total area of the molecular weight distribution curve is 8 to 15%.

Abstract: Provided is a polyethylene resin composition exhibiting reduced TVOCs along with excellent stretchability, thereby being useful in manufacturing stretched films, wherein the polyethylene resin composition satisfies specific requirements of a content of a first crystalline polymer (defined as a ratio of a peak area of a fraction eluted in the elution temperature range of 25° C. to 30° C. relative to the total peak area in a TREF analysis graph), a content of a second crystalline polymer (defined as a ratio of a peak area of a fraction eluted in the elution temperature range of 40° C. to 90° C. relative to the total peak area in the TREF analysis graph), a density, and a melt index (MI2.16).

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: The present invention provides a polyamic acid aqueous solution composition capable of polymerizing polyamic acid in water rather than in an organic solvent, as well as achieving a high imidization rate during low-temperature curing.

Abstract: A method and apparatus for constructing a composite function block, a composite function block, and a storage medium are provided. The method applies to a function block library and includes: selecting at least one composite paradigm from a plurality of composite paradigms; acquiring an arrangement operation for at least two function blocks of the plurality of function blocks to obtain a computation sequence; based on the computation sequence, performing a concatenation operation to determine a joining relationship between the at least two function blocks; and based on an interface of each function block of the at least two function blocks and the joining relationship between the at least two function blocks, encapsulating the at least two function blocks into a composite function block and generating an interface corresponding to the composite function block.

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: Provided are a polyethylene capable of improving tensile strength while maintaining excellent processability and Mooney viscosity characteristics when preparing a chlorinated polyethylene compound by implementing a molecular structure having a low content of low molecular weight and a high content of high molecular weight, and a chlorinated polyethylene prepared using 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: There are provided a polyethylene capable of improving tensile strength while maintaining excellent processability and Mooney viscosity characteristics when preparing a chlorinated polyethylene compound by implementing a molecular structure having a low content of low molecular weight and a high content of high molecular weight, and a chlorinated polyethylene prepared using the same.

Abstract: The present disclosure relates to a polyethylene resin composition capable of improving transparency and moisture barrier properties without deterioration in physical properties of a film, and a film including the same, wherein the polyethylene resin composition comprises a nucleating agent and a lubricant both containing a cation of a same metal selected from Group 2 or Group 12 metals.

Abstract: The present disclosure relates to a polyethylene suitable for preparing fibers with enhanced yellow index and filterability in the spinning process by having improved aging lifetime of the polyethylene, and a preparation method of the same.

Abstract: The polyethylene according to the present disclosure has a short relaxation time and a uniform particle size, thereby preparing a chlorinated polyethylene excellent in chlorination productivity and glass transition temperature by reacting with chlorine. And, a PVC composition with improved impact strength may also be prepared by including the same.

Abstract: Provided are a polyethylene having excellent processability and capable of reducing an injection molding defect rate, and a method of preparing the same. The polyethylene has an integral value in the region where the Log Mw is 5.5 or more in a GPC curve, wherein the x-axis is log Mw and the y-axis is dw/dlogMw, of 9% or less of the total integral value: and has a ratio (Tc10/Tc40) of a crystallization temperature (Tc10) measured at a cooling rate of 10° C./min to a crystallization temperature (Tc40) measured at a cooling rate of 40° C./min of less than 1.04.

Abstract: Provided are a polyethylene which is improved in terms of total volatile organic compounds (TVOCs) generated by low molecular weight polymers, thereby being suitable for fiber production, and a method of preparing the same.

Abstract: The present invention relates to a method for evaluating an injection physical property of a plastic resin, and a polyethylene resin suitable for an injection molding process and, more particularly, to a novel method for evaluating an injection physical property of a plastic resin, which, when a particular plastic resin is processed by an injection process, can accurately derive injection suitability of the plastic resin and injection pressure in the injection process through a physical property value measured by using a resin specimen, and a polyethylene resin suitable for injection molding.

Abstract: The polyethylene according to the present disclosure reacts with chlorine to prepare a chlorinated polyethylene having excellent processability during extrusion with a high tensile strength by implementing a molecular structure having a high content of medium molecular weight, and may also prepare a CPE compound including the chlorinated polyethylene.

Abstract: This invention relates to polyethylene and a method for preparing the same. More specifically, this invention relates to polyethylene that has low melt index, narrow molecular weight distribution, and a high content of high molecular weight components, and thus, exhibits excellent ESCR and tensile strength, and a method for preparing the same.

Abstract: Provided is a polyethylene. More particularly, provided is a polyethylene which has excellent abrasion resistance and thus is suitable for fiber production.