Lg Chem, Ltd

Korea Research Institute of Chemical Technology

Korea Advanced Institute of Science and Technology

Lg Display Co., Ltd.

Eun Jung Lee

Choong Hoon Lee

In Sung Park

Jin Sam Gong

Jung Ho Jun

Sang Eun Park

Rae Keun Gwak

Hyun Jin Ju

Seul Ki Kim

Tae Su Kim

Hyo Jung Han

Seungwhan Jung

Bun Yeoul Lee

Young Woo Lee

Jin Kuk Lee

Ki Won Han

Tae Wan Kim

Sang Hyun Lee

Seung Hwan Jung

Si Jae Park

Taek Ho Yang

Hye Ok Kang

Jae Kwon Jang

Kyung Bok Bae

Boram Lee

Young Min Choi

Su Yeon Lee

Jong Joo Ha

Ik Je Choe

Beyong Hwan Ryu

Sun Ho Jeong

Jin Woo Kim

Dae Woong Lee

Dae June Joe

Jung A Lee

Young Hoon Na

Beomdoo Seo

Hong Kue Kim

Ki Soo Lee

Sangwoo Lee

Tae Gon Kim

Yoon Hee Cho

Si Jung Lee

Ui Gab Joung

Byoung Soo Kim

Young Shil Do

Jung Bin Lee

Ye Jin Jo

Hak Kyun Kim

Yeong Hui Seo

Seung Tae Lee

Jong Gil Kim

Sang Jin Oh

Seungtae Lee

Hakkyun Kim

Jun Hyuk Lee

An ethylene/alpha-olefin copolymer and method for preparing the same is disclosed herein. In some embodiments, an ethylene/alpha-olefin copolymer satisfying the following conditions, (a) a density of 0.85 to 0.89 g/cc, (b) a molecular weight distribution of 1.5 to 2.3, (c) a melting temperature of 85° C. or less, and (d) a free volume proportional constant (C) of 600 or less. The ethylene/alpha-olefin copolymer has high volume resistance and light transmittance.

Ethylene/alpha-olefin copolymer with excellent electrical insulation

An ethylene/alpha-olefin copolymer and method for preparing the same is disclosed herein. In some embodiments, an ethylene/alpha-olefin copolymer satisfying the following conditions, (a) a density of 0.85 to 0.89 g/cc, (b) a molecular weight distribution of 1.8 to 2.3, (c) a melt index (MI) of 1 to 100 dg/min, and (d) a full width at half maximum (FWHM) of a crystallization peak of 15 or more. The ethylene/alpha-olefin copolymer has high volume resistance and light transmittance.

The present invention relates to a polypropylene-based composite, including (A) polypropylene, and (B) an olefin-based polymer satisfying the following conditions: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a melting temperature when measured by differential scanning calorimetry (DSC) is from 20° C. to 70° C., and (3) a high temperature melting peak is confirmed at 75° C. to 150° C. when measured by a differential scanning calorimetry precise measurement method (SSA), and a total enthalpy of fusion ΔH(75) of a corresponding region is 1.0 J/g or more. The polypropylene-based composite of the present invention may show excellent impact strength.

Polypropylene-based composite

The present invention relates to a composition for an encapsulant film, including an ethylene/alpha-olefin copolymer having high volume resistance and light transmittance, and an encapsulant film using the same.

Composition for encapsulant film comprising ethylene/alpha-olefin copolymer and encapsulant film comprising the same

The present invention relates to a polypropylene-based composite, including (A) polypropylene, and (B) an olefin-based polymer satisfying the following conditions: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)-T(50)≤50 and T(95)-T(90)≥10 are satisfied, wherein T(50), T(90) and T(95) are temperatures at which 50%, 90%, and 95% are melted, respectively, when fractionating a temperature-heat capacity curve from measurement results by the differential scanning calorimetry precise measurement method (SSA). The polypropylene-based composite of the present invention may show excellent impact strength.

The present invention relates to an ethylene/alpha-olefin copolymer having a high weight average molecular weight and narrow molecular weight distribution, and at the same time, a reduced characteristic relaxation time, thereby showing excellent physical properties, and a method for preparing the same. A resin composition having improved volume resistance and excellent light transmittance may be prepared by using such ethylene/alpha-olefin copolymer. Accordingly, the ethylene/alpha-olefin copolymer may be utilized in various uses in electrical and electronic industrial fields.

Ethylene/alpha-olefin copolymer and method for preparing the same

An olefin-based polymer and method of making the same is disclosed herein. In some embodiments, the olefin-based polymer has multiple crystallinity and satisfies the following: (1) two or more peaks in a temperature range of −20° C. to 120° C. when measured by cross-fractionation chromatography (CFC), and T(90)−T(50)<8.0° C., (2) a soluble fraction (SF) of 1 wt % or less at −20° C. in CFC, (3) 15° C.<elution temperature (Te)<50° C., and Te has a linear correlation with a density (d) of the polymer, and satisfies the following Equation 1, Te=1,220×d−A, wherein 1,031≤A≤1,039. The olefin-based polymer according to the present invention is an olefin-based polymer having relatively increased the ratio of high crystal regions, and exhibits excellent mechanical properties such as improved tensile strength, tear strength, and flexural modulus.

Olefin-based polymer

The present invention relates to an olefin-based polymer satisfying conditions as follow: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)−T(50)≤50 and T(95)−T(90)≥10 are satisfied when measured by a differential scanning calorimetry precise measurement method (SSA). The olefin-based polymer according to the present invention is a low-density olefin-based polymer introducing a highly crystalline region and showing high mechanical rigidity.

The present disclosure relates to a PROX1 (Prospero homeobox protein 1) protein binding molecule. More specifically, the binding molecule of the present disclosure relates to a binding molecule having excellent binding ability to the PROX1 protein and having an excellent neutralizing effect on the PROX1 protein, and it is very useful for diagnosis, prevention or treatment of retinal neurodegenerative diseases.

Binding molecule able to neutralize PROX1 protein

The present invention relates to a polypropylene-based composite material having improved physical properties including impact strength at low temperature and at room temperature, flexural strength, flexural modulus, etc., and a method for preparing the same.

Polypropylene-based composite material and method for preparing the same

The present invention relates to an olefin-based copolymer of which soluble fraction at a low temperature has a high weight average molecular weight, and which has high flowability and improved physical properties of hardness, flexural strength, tearing strength, etc., and a method for preparing the same.

Olefin-based copolymer and method for preparing the same

The present invention relates to a composition for an encapsulant film including an ethylene/alpha-olefin copolymer having high volume resistance and light transmittance, and an encapsulant film using the same.

Disclosed is a method for regulating the extracellular secretion ability of a homeoprotein and a homeoprotein variant having regulated extracellular secretion ability using the same, and more particularly, a method for increasing or decreasing the extracellular secretion ability through the increase or decrease in hydrophobicity of an amino acid sequence among homeodomain external amino acid sequences, or a homeoprotein whose extracellular secretion ability is increased or decreased through the increase or decrease in hydrophobicity of the homeodomain external amino acid sequence.

Method for regulating secretion ability of homeoproteins and their variants having altered secretion ability

An olefin-based copolymer and method of making the same are disclosed herein. In some embodiments, the olefin-based copolymer includes a repeating unit derived from an alpha-olefin, wherein the alphas-olefin is present in the copolymer at 15 wt % to 45 wt %, wherein the copolymer has a density (d) of 0.85 to 0.89 g/cc, a melt index (MI), measured at 190&#xb0; C. and 2.16 kg load, of 15 g/10 min to 100 g/10 min, and a hardness defined by Equation 1. The olefin-based copolymer has improved hardness and is highly flowable, and may show improved physical properties of tensile strength, elongation rate and flexural modulus.

The present invention provides an adhesive composition including an ethylene/alpha-olefin copolymer; and a tackifier, wherein the ethylene/alpha-olefin copolymer has narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, and particularly a small amount of vinylidene among the unsaturated functional groups, thereby showing excellent physical properties.

Adhesive composition including ethylene/alpha-olefin copolymer

Growing community of inventors

Daejeon, South Korea

Eun Jung Lee