Lg Chem, Ltd

Lg Energy Solution, Ltd.

Ye Hoon Im

Jun Won Choi

Sang Phil Han

Chae Ho Chung

Dal Mo Kang

Jin Kyu Lee

Jongmoon Yoon

Young Soo Song

Heekook Yang

Jaesung Ahn

YeonSeok Choo

Eun Jeong Kim

Dooseong Choi

Won Jong Kwon

Kwang Hyun Yoo

Dae Hun Kim

Sang Baek Shin

Yeon Seok Choo

In Young Kim

Young Bae Kim

WonChan Park

Hyun Jin Shin

Jung Kee Jang

Junyoung Lee

Junwon Choi

Jung Hoon Chang

Woo Yong Lee

Min Su Kim

Myung Han Lee

Bum Hyun Lee

Jae Hun Yang

Sung Hyun Park

Seung Jae You

Jun Young Lee

Won Chan Park

Kyunghoon Min

Sang Yoon Jeong

Jung Min Park

Jong Hyuk Park

Chae Gyu Lee

Byung Woo Choi

Hyun Chul Park

Jaesung Kim

Jin Hyun Bae

Kwanyong Kim

Sang Oeb Na

Won Am Lee

Youngsoo Song

Chang Hun Yu

Yu Shik Hong

Hyo Sook Cha

Se Woo Yang

Yoon Gyung Cho

Sang Min Park

Bu Gon Shin

Ji Eun Kim

BumHyun Lee

Dae Sik Hong

Heon Yong Kwon

Kwangwook Choi

Sun Young Kim

Kyung Yul Bae

Won Jae Lee

Jong Moon Yoon

Kyoung Ho Kim

Seung Hyun Yoon

DalMo Kang

Eun Jung Joo

Hyemin Lee

Sanghyeok Im

Yongseok Choi

Hyun Sup Lee

Tai Min Noh

Yoo Seok Kim

Yeu Young Youn

Jin Mi Jung

Juhan Kim

Sunyoung Kim

Yu Taek Sung

Jung Woo Lee

Kwangyeon Park

Oh Joo Kwon

Eugene Oh

Joon Hee Cho

Jeong Kyu Kim

Jeong Hun Cho

Jin Yeong Lee

Eunsu Jang

Ayoung Lee

Pum Suk Park

Kyoung Hoon Min

Seonyoung Jegal

Dal Moh Kang

Bumjoo Kim

Sang Eun Kim

Min Su Kang

Young Cheol Jung

Hyo Jung Kim

Jung Hyun Yeo

Jeong Hyuk Won

A photopolymerization reaction system according to an embodiment of the present disclosure may include: a housing; a UV lamp disposed within the housing; a UV light-transmitting plate disposed below the UV lamp; a ventilation part configured to receive supply and discharge therethrough of a first flow of air for heat removal from the UV lamp; and an air injection module configured to inject a second flow of air into the housing between the UV light-transmitting plate and the reactant, the air injection module being configured to prevent the UV light-transmitting plate from being contaminated by by-products generated by a photopolymerization reaction in which a reactant is supplied below the UV light-transmitting plate.

Photopolymerization reaction system including air injection module for preventing contamination of ultraviolet-transmitting plate

The present invention relates to an apparatus and a method for producing a polymer latex resin powder, and according to one aspect of the present invention, there is provided an apparatus for producing a polymer latex resin powder comprising a first flocculation tank to which a polymer latex and a flocculant are each supplied, wherein the first flocculation tank is provided with a stirring part including a rotation axis and one or more impellers mounted on the rotation axis, and a discharge line, and the first flocculation tank is configured to operate as a closed system upon operation of the stirring part.

Apparatus and method for producing polymer latex resin powder

The present invention relates to a dispersion plate and a coating device comprising the same, which provides a dispersion plate comprising a plurality of gas injection holes, wherein the dispersion plate includes a plurality of spout nozzles formed by a dense arrangement of the gas injection holes, wherein one spout nozzle is disposed at the center of the dispersion plate and the plurality of spout nozzles are arranged along a plurality of virtual concentric circles from the center of the dispersion plate to the edge of the dispersion plate, where with respect to two adjacent virtual concentric circles, the number of spout nozzles arranged along an outer concentric circle based on the center of the dispersion plate is twice the number of spout nozzles arranged along an inner concentric circle and the arrangement interval of the spout nozzles arranged along the outer concentric circle is half the arrangement interval of the spout nozzles arranged along the inner concentric circle.

Dispersion plate and coating device including same

Provided is a welding apparatus having a fume elimination function. The welding apparatus efficiently eliminates fume generated while a welding object is being welded using a laser.

Welding apparatus having fume removal function

The present invention relates to a method for preparing a carbon nanotube fiber which is a continuous array of carbon nanotube. The present invention enables minimization of rotational flow inside a tube reactor and thus can facilitate enhanced tensile strength of the prepared carbon nanotube fiber.

Method for preparing carbon nanotube fiber having enhanced tensile strength

Provided a high-pressure homogenizer comprising a channel module comprising a microchannel through which an object for homogenization passes, wherein the microchannel is provided with a first flow channel and a second flow channel sequentially arranged along the direction through which the object passes, the first flow channel is provided with a plurality of first baffles disposed so as to partition the microchannel into a plurality of spaces, the second flow channel is provided with a plurality of second baffles disposed so as to partition the microchannel into a plurality of spaces, and at least one of the first baffles is provided to be positioned between two adjacent second baffles.

High-pressure homogenizer and method for manufacturing graphene using the same

The present invention relates to a dispersion device and a defoamation device comprising the same, which provides a dispersion device comprising a dispersion plate equipped with an inclined surface extended downwards obliquely and raw material inflow nozzles formed on the inclined surface to introduce a raw material into the inclined surface; and a band spaced apart from the inclined surface of the dispersion plate to form a gap from the inclined surface, thereby being configured so that the raw material flows through the gap.

Dispersing apparatus and defoaming apparatus comprising same

Provided is a water-treatment filter module, an apparatus and a method for manufacturing a helical strand for a water-treatment filter module, and a method for manufacturing a spacer. Also provided is a water-treatment filter module comprising a membrane for filtering raw water, and a spacer laminated to the membrane and providing a plurality of passages for passing the raw water through to the membrane, wherein the spacer includes a first member extending in a first direction and a second member extending in a second direction that is different from the first direction and disposed so as to form spacer cells by intersecting with the first member, and at least one of the first member and the second member is wound in a spiral shape having a predetermined pitch of a predetermined radius around a central axis.

Water-treatment filter module, and apparatus and method for manufacturing helical strand of water-treatment filter module

A reactor for nanoparticle production comprising a main chamber including a first nozzle to which raw material gas is supplied, a lens housing connected to the main chamber in a fluidly movable manner and including a second nozzle for supplying flushing gas to the lens housing, a lens mounted on the lens housing, a light source for irradiating a laser, which passes through the lens to reach the raw material gas in the main chamber, and a hood for discharging nanoparticles generated in the main chamber. A cross-sectional area of at least a part of the lens housing decreases along a direction facing the main chamber.

Reactor for nanoparticle production

Provided is a feed spacer, in which angles of strands are differently formed in one feed spacer according to a flow direction of raw water, so that a differential pressure decrease region and a recovery increase region are separated to perform multiple functions, and a reverse osmosis filter module including the feed spacer.

Feed spacer and reverse osmosis filter module including same

Disclosed is a dispersion plate for a purification column including a support plate, at least one first fluid tube penetrating through the support plate, and a plurality of second fluid tubes arranged to be spaced apart from the first fluid tube and surround the first fluid tube, wherein a length of at least one of the second fluid tubes is longer than lengths of another second fluid tubes, and is shorter than or equal to a length of the first fluid tube.

Dispersion plate and purification column including the same

The present invention relates to a peeling device of sheet material for peeling off graphite, and the peeling device of sheet material according to the present invention is characterized in that a specific microchannel is used to apply a shear force required to peel off graphite, and simultaneously, graphene itself is not ground and the discharge flow rate of the graphene dispersion increases to increase graphene preparation efficiency.

Peeling device of sheet material including optimized outlet

The present invention provides a solid phase extraction method using a micro device having a dam forming portion including a dam, the solid phase extraction method comprising the steps of: (i) injecting a solvent and a filler into the micro device, moving the solvent to the dam forming portion, the dam allowing the solvent to flow therethrough and preventing the filler from passing therethrough, and adsorbing a material to be separated onto the filler in the dam forming portion; and (ii) extracting, from the filler, the adsorbed material, wherein the micro device is rotated with respect to a central axis during one of steps (i) and (ii), and the rotation of the micro device is performed at an angular velocity defined by equation 1.

Solid phase extraction method using micro device

A heat exchanger including: an inlet portion having a first flow path through which a fluid is introduced; a main body including a shell and a plurality of tubes. The shell has an internal space and one surface that has a plurality of penetration holes and a cross-sectional area larger than a cross-sectional area of the first flow path. Each of the plurality of tubes allows the fluid to flow therethrough, and is positioned in the internal space of the shell. An expanded tube portion connects the inlet portion and the one surface of the shell and has a second flow path. The heat exchanger also includes a fluid flow distributor disposed in the second flow path to distribute the flow of the fluid. No other member is disposed between the inlet portion and the multiple ring members.

Heat exchanger

Growing community of inventors

Daejeon, South Korea

Ye Hoon Im