Lg Chem, Ltd

Other

Lg Energy Solution, Ltd.

Jae Sun Choi

Youk Reol Na

Jin Young Kim

No Ma Kim

Kyoung Hwan Oh

He Seung Lee

You Seok Seo

Jung Hwan Oh

Ro Mi Lee

Ho Young Lee

Yu Jin Kim

Hyun Jun Kim

Suk Joon Yoo

Hye Jung Shin

Jae Moon Jun

Jun Houng Lee

The present invention relates to an oil-extended modified conjugated diene-based polymer having excellent tensile properties and abrasion resistance, a method for preparing same and a rubber composition including same, and provides an oil-extended modified conjugated diene-based polymer including a modified polymer chain including a repeating unit derived from a conjugated diene-based monomer and a functional group derived from an aminoalkoxysilane-based modifier; and a derived unit from a vegetable oil, wherein at least one of the modified polymer chain is coupled with the derived unit from vegetable oil, N and Si atoms are included in 100 ppm or more each based on a total weight of the polymer, two glass transition temperatures of Tg1 and Tg2 measured by differential scanning calorimetry (DSC) are shown, Tg1 is −80° C. to −20° C., Tg2 is −50° C. to 30° C., and Tg2 is higher than Tg1, a method for preparing same and a rubber composition including same.

Oil-extended modified conjugated diene-based polymer, method for preparing same and rubber composition comprising same

The present invention relates to a modified conjugated diene-based polymer having excellent rolling resistance and improved processability, a method for preparing the same and a rubber composition including the same, and provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer, and a functional group derived from a modifier, and satisfies conditions (i) to (vii), a method for preparing the same and a rubber composition including the same.

Modified conjugated diene-based polymer, method for preparing the same and rubber composition including the same

A modified conjugated diene-based polymer, a method of making the same, and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes a first chain including a repeating unit derived from a conjugated diene-based monomer, a second chain including a repeating unit derived from a compound represented by Formula 1 or Formula 2, and a derived unit from an alkoxysilane-based modifier, wherein the first chain and the second chain are coupled by the derived unit from the modifier.

A rubber composition having excellent abrasion resistance and improved viscoelasticity properties, and a tire manufactured using the same are disclosed herein. In some embodiments, a rubber composition includes a first synthetic rubber and a second synthetic rubber, and has an interaction parameter (χ) defined by Mathematical Formula 1 at room temperature is 2.0×10or more. The first synthetic rubber is a solution-polymerized modified conjugated diene-based rubber which has a 1,2-vinyl bond content of 50 wt % or more and includes a functional group bonded to at least one terminal, and the second synthetic rubber is a conjugated diene-based rubber which has a 1,2-vinyl bond content of less than 50 wt %.

Rubber composition and molded article manufactured therefrom

A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes silicon (Si) and nitrogen (N), and has an N content of 150 ppm or more based on the weight of the modified conjugated diene-based polymer and a rate of change of mooney viscosity (MV) of 20% or less.

A battery pack packing box capable of easily fixing a battery pack in a lower case by using a buffering member including an insertion hole into which the upper portion of the battery pack is inserted is provided. The buffering member includes a frame and a plurality of wing-shaped ribs.

Battery pack packaging box, and battery pack stored in same

The present invention relates to a rubber composition having excellent abrasion resistance and improved tensile properties and viscoelasticity properties by controlling compatibility among rubber components, and a tire manufactured using the same.

Rubber composition

The present invention relates to a rubber composition having excellent abrasion resistance and improved tensile and viscoelastic properties by controlling compatibility among rubber components, and a tire manufactured using the same.

The disclosed invention relates to a wind power generation device for a window trim frame, the wind power generation device: enabling alignment and provision in a prefabricated manner so as to fit the size of a window trim frame or the window frame of a general house or a building such that the installation thereof is simplified; manufactured in a small size such that purchase and production costs are relatively lower than those of other power generation facilities and the like; and charging, with produced electric energy, a storage battery provided at the end thereof and, simultaneously, enabling a charging completion to be immediately checked, thereby easily being used.

Growing community of inventors

Daejeon, South Korea

Jae Sun Choi