Lg Chem, Ltd

Korea Aerospace Research Institute

Korea Advanced Institute of Science and Technology

Sk on Co., Ltd.

Hanbat National University Industry-academic Cooperation Foundation

Dong Min Kim

Jeong Seok Lee

Jun Seok Ko

Hoi In Jeong

Woo Sung Hwang

Ki Soo Lee

Ki Hyun Kim

Eun Ji Shin

Seok Pil Sa

Seul Ki Im

Mi Kyung Kim

Ji Hyun Park

Jun Hee Jung

Hyun Mo Lee

Yun Joo Noh

Dae Gab Gweon

Sang Mo Shin

Yun Kon Kim

Seung Jung Yu

Su Ji Yoon

Jeong Hoh Park

Gae Min Lee

Jong Yeop Shim

The present invention relates to a method for preparing a polyolefin-polystyrene-based multiblock copolymer having a uniform structure and showing excellent physical properties through continuous type coordination polymerization and batch type anionic polymerization.

Method for preparing polyolefin-polystyrene-based multiblock copolymer

There is provided a battery module, in which a relatively wide contact area between an end plate and a lifting device may be secured when the battery module is elevated, the rigidity of the end plate may be sufficiently secured when the battery module is elevated, while forming a relatively thin end plate. The battery module includes a cell stack provided by stacking a plurality of battery cells, a module case accommodating the cell stack, an end plate disposed on front side and rear side of the module case, and a lifting support portion disposed on the end plate and having a support surface in surface contact with a lifting device.

Battery module and battery pack having the same

A method of separating an organic solvent which may easily separate and recover an organic solvent from a mixed solution containing the organic solvent, and an organic solvent separation system capable of performing the same are disclosed herein. In some embodiments, the method includes introducing a first mixed solution into a first distillation column to recover an organic solvent and discharge a first fraction containing an unrecovered organic solvent and a high boiling point compound A to a bottom of the column, introducing a second mixed solution into a second distillation column to recover organic solvent and discharge a second fraction containing an unrecovered organic solvent and a high boiling point compound B, and introducing the first fraction and the second fraction into a third distillation column to recover an organic solvent-rich fraction and a high boiling point compound-rich fraction.

Method of separating organic solvent from mixed solution containing the organic solvent

A method of preparing a conjugated diene-based polymer is provided. The method includes: adding a conjugated diene-based monomer, a catalyst, and a solvent to parallel polymerization reactors, performing a polymerization reaction to prepare a first polymer solution including a first conjugated diene-based polymer; and adding the first polymer solution to a polymerization reactor connected in series to the parallel polymerization reactors, performing the polymerization reaction to prepare a second polymer solution including a second conjugated diene-based polymer. After the polymerization reaction in the series polymerization reactor, gas produced by polymerization heat is condensed in the series polymerization reactor and refluxed to the parallel polymerization reactors, and a reaction temperature of the series polymerization reactor is maintained to be lower than a reaction temperature of the parallel polymerization reactors by 10&#xb0; C. or more.

Method of preparing conjugated diene-based polymer and apparatus for preparing conjugated diene-based polymer

A method of preparing a conjugated diene-based polymer is provided including: a step of polymerizing a first conjugated diene-based monomer in solution in a first polymerization reactor to prepare a first polymer solution including a first conjugated diene-based polymer; a step of polymerizing a second conjugated diene-based monomer in solution in a second polymerization reactor to prepare a second polymer solution including a second conjugated diene-based polymer; a step of supplying a first fluid separated from the first polymer solution to a first purification unit and purifying the first fluid; and a step of supplying a second fluid separated from the second polymer solution to a second purification unit and purifying the second fluid. An apparatus for preparing a conjugated diene-based polymer is also provided.

Provided is a flight vehicle operating method including: mooring a flight vehicle to a mooring unit by a cable; reducing a weight of the flight vehicle, increasing the flotage of the flight vehicle, or increasing the flotage of the flight vehicle while reducing the weight of the flight vehicle, by using a first flotation adjuster; floating the flight vehicle at a suitable altitude in the air; increasing the weight of the flight vehicle, reducing the flotage of the flight vehicle, or reducing the flotage of the flight vehicle while increasing the weight of the flight vehicle, by using a second flotation adjuster or a propelling unit of the flight vehicle; and releasing the connection between the flight vehicle and the mooring unit and withdrawing the cable.

Flight vehicle operating method and operating system using same

A flying object with a landing gear module serving as a floating weight that can be used simultaneously with an airship and an aerial mooring type aerostat, and more particularly, a flying object capable of simultaneously allowing a landing gear to serve as a floating weight, thereby stably simplifying a mooring process of the flying object and manufacturing the flying object at low cost.

Flying object with multi-purpose landing gear module

The present invention relates to an apparatus and method for generating a three-dimensional image of a polymer substance. The three-dimensional image generating apparatus of the present invention comprises: a specimen state adjustor for adjusting a temperature or pressure of a solid specimen in order to maintain, in a solid state, the solid specimen including a plurality of polymer substances; an image collector for collecting a partial image of the plurality of polymer substances exposed on a surface of the solid specimen; a low molecule image database for storing an image of an element low molecule substance; and an image processor for generating a three-dimensional image of the polymer substance by matching the collected partial image with an image in the low molecule image database.

Apparatus and method for generating three-dimensional image of polymer solute substance which exists in liquid solvent

A 3-axis straight-line motion stage and a sample test device using the same for supporting a predetermined sample, and comprising X-axis, Y-axis and Z-axis stages for moving the sample independently and precisely in the direction of the X-axis, the Y-axis or the Z-axis of rectangular coordinates. The 3-axis straight-line motion stage comprises a bottom platehaving a predetermined area and thickness; a X-axis stagefixed in a reference area RR of the bottom platefor moving in the direction of the X-axis a first X area RXpositioned from the reference RR to the direction of the X-axis; a Y-axis stagepositioned within the first X area RXand fixed in a second X area RXwhich is located within the first X area RXfor moving in the direction of the Y-axis a second Y area RYpositioned from the second X area to the direction of the Y-axis; and a Z-axis stagefixed in the second Y area RYwhich is located within the first Y area RYand supporting a predetermined sample for moving the sample in the direction of the Z-axis.

3-axis straight-line motion stage and sample test device using the same

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Daejeon, South Korea

Dong Min Kim