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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 213. Отображено 100.
08-04-2016 дата публикации

A silica support and preparation method of metallocene catalyst using the same

Номер: KR0101610879B1
Автор: 홍대식, 이기수, 권헌용, 김현국, 송은경, 이용호
Принадлежит: 주식회사 엘지화학

... 본 발명은 올레핀 중합에 사용되는 메탈로센 촉매용 실리카 담체 및 그 제조방법과 이를 이용한 메탈로센 촉매 및 올레핀 중합체에 관한 것이다. 구체적으로, 본 발명은 올레핀 담지 촉매를 만들 때 사용하는 실리카 담체를 특정 할로겐화 금속 화합물로 처리함으로써, 메탈로센 촉매 제조시 조촉매에 대한 반응 사이트를 다변화하여 동일한 메탈로센 촉매를 담지하여도 기존에 비해 올레핀 중합체의 분자량 분포를 훨씬 넓힐 수 있고 고분자를 구현할 수 있다.

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Номер записи: 1
14-09-2017 дата публикации

메탈로센 화합물, 이를 포함하는 촉매 조성물 및 이를 이용한 올레핀계 중합체의 제조 방법

Номер: KR0101778762B1
Автор: 박성호, 김세영, 이기수, 홍대식, 이승민, 홍복기, 이용호, 조민석, 김대환, 조경진, 한창완, 박진영
Принадлежит: 주식회사 엘지화학

... 본 발명은 신규한 메탈로센 화합물, 이를 포함하는 촉매 조성물 및 이를 이용하는 올레핀계 중합체의 제조 방법에 관한 것이다. 본 발명에 따른 메탈로센 화합물은 특히 에틸렌과 알파-올레핀의 공중합 반응에서 우수한 활성을 나타낼 수 있고, 낮은 분자량을 가지면서 공단량체의 함량이 높은 올레핀계 중합체의 제공을 가능케 한다.

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Номер записи: 2
02-08-2018 дата публикации

SUPPORTED HYBRID CATALYST

Номер: KR1020180087868A
Автор: LEE, JIN YOUNG, PARK, SUNG HO, KWON, HEON YONG, KWON, HYUN JEE, CHO, SOL, KWON, OH JOO, LEE, KI SOO, HONG, DAE SIK
Принадлежит:

The present invention relates to a supported hybrid catalyst which enables a user to easily produce an olefin polymer exhibiting improved melting strength for improving bubble stability and providing excellent blown-film processing ability, while maintaining the haze characteristic of high transparency. The present invention also relates to a production method of an olefin polymer using the supported hybrid catalyst. COPYRIGHT KIPO 2018 ...

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Номер записи: 3
21-04-2016 дата публикации

ETHYLENE/1-HEXENE OR ETHYLENE/1-BUTENE COPOLYMER HAVING EXCELLENT PROCESSIBILITY AND ENVIRONMENTAL STRESS CRACK RESISTANCE

Номер: KR1020160043516A
Автор: KIM, JOONG SOO, KWON, HYUCK JU, CHOI, YI YOUNG, LEE, KI SOO, SONG, EUN KYOUNG, SONG, NAK KYU, HONG, DAE SIK, KIM, WOO RI, KIM, SI YONG
Принадлежит:

The present invention relates to an ethylene/1-hexene or ethylene/1-butene copolymer having excellent processibility. The ethylene/1-hexene or ethylene/1-butene copolymer according to the present invention has excellent processibility by having high molecular weight and wide molecular weight distribution, and can be applied to a heating tube with high internal pressure, a mining pipe or a large diameter pipe by means of excellent environmental stress crack resistance. The ethylene/1-hexene or ethylene/1-butene copolymer has weight average molecular weight (g/mol) of 10,000 to 400,000, molecular weight distribution (Mw/Mn, PDI) of 2 to 30, and environmental stress crack resistance (ESCR) of 400 to 20,000 hours, wherein the environmental stress crack is measured by a full notch creep test at 4.0 MPa and 80°C according to ISO 16770. COPYRIGHT KIPO 2016 (AA) Comparative example 1-1 (BB) Comparative example 1-2 (CC) Example 1-1 (DD) Example 1-2 (EE) Example 1-3 (FF) Region for influencing FNCT ...

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Номер записи: 4
16-06-2016 дата публикации

SUPPORTED METALLOCENE CATALYST AND POLYOLEFIN PREPARATION METHOD USING SAME

Номер: WO2016093678A1
Автор: SHIN, Eun Young, KWON, Heon Yong, KIM, Se Young, KWON, Hyun Jee, HONG, Dae Sik, LEE, Sung Min, LEE, Ki Soo
Принадлежит:

The present invention relates to a novel supported metallocene catalyst and a polyolefin preparation method using the same. The supported metallocene catalyst according to the present invention can be used for preparing polyolefins, has excellent activity and reactivity with a comonomer, and can effectively prepare olefinic polymers of high molecular weight and low molecular weight.

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Номер записи: 5
21-01-2016 дата публикации

ETHYLENE-1-HEXENE-1-BUTENE TERPOLYMER AND FILM COMPRISING SAME

Номер: WO2016010400A1
Автор: SUNG, Yu Taek, KWON, Heon Yong, HONG, Dae Sik, LEE, Seung Mi, LEE, Ki Soo, JEONG, Dong Hoon, SHIN, Eun Young, JANG, Chang-Hwan
Принадлежит:

The present invention relates to an ethylene-1-hexene-1-butene terpolymer and a film comprising the same. The ethylene-1-hexene-1-butene terpolymer according to the present invention has optimized ranges of density and melting index, comprises 1-hexene and 1-butene as comonomers, and can provide a polymer with excellent physical properties by adjusting the content ratio of the comonomers to a predetermined range. Therefore, the film manufactured using the same retains excellent adhesiveness, processability, and dart impact strength so as to be suitable for, especially, a stretch film, and thus can be favorably used.

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Номер записи: 6
04-04-2019 дата публикации

METHOD FOR PREDICTING LONG-TERM DURABILITY OF PIPE RESIN COMPOSITION AND OLEFIN-BASED POLYMER USED FOR PIPE RESIN

Номер: WO2019066516A1
Автор: PARK, Sung Hyun, LEE, Hyun Sup, PARK, Jong Sang, KIM, Joong Soo, YOU, Young Suk, HONG, Dae Sik, LEE, Myung Han
Принадлежит:

The present application relates to a method for evaluating long-term durability of a pipe resin, and can provide a method capable of predicting long-term durability of a pipe resin in a short time through simple equation calculation using the content of tie molecules, entanglement molecular weight (Me), and the content of an ultra-high-molecular-weight component, unlike a conventional FNCT evaluation method that is very time consuming. The present application also relates to an olefin-based polymer. The polymer is configured such that the content of tie molecules, the entanglement molecular weight (Me), and the content of an ultra-high-molecular-weight component have a predetermined relationship, and therefore, the polymer of the present application can be used in the manufacturing of heating pipes required to have excellent long-term durability.

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Номер записи: 7
10-10-2016 дата публикации

METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING DATA BETWEEN TERMINAL AND BASE STATION

Номер: KR1020160117079A
Автор: JI, HYOUNG JU, HONG, DAE SIK, KIM, YOUN SUN, KIM, HYUN SOO, BANG, JONG HYU
Принадлежит:

The present invention relates to a method for transmitting and receiving data. A method for receiving data of a terminal according to the present invention includes a step of receiving a random sequence generation parameter for generating random sequence comprising a random variable in a first band from a base station, a step of generating the random sequence by using the received parameter, and a step of performing decoding based on the random variable included in the random sequence in a second band. So, the transmission time of data can be estimated by using predetermine control information between the base station and the terminal. COPYRIGHT KIPO 2016 (AA) Base station (BB) Terminal (CC) Transmitting a reservation signal and a preamble or a synchronization signal (S910) Transmitting a random sequence generation parameter (S920) Generating a random sequence (S930) Determining whether an unlicensed frequency band is in an idle state (S950) Estimating a preamble transmission period (S960 ...

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Номер записи: 8
28-12-2018 дата публикации

DEVICE FOR TRANSMITTING AND RECEIVING SIGNALS BY USING FBMC APPLIED TO MIMO ANTENNA, AND METHOD THEREOF

Номер: KR1020180138078A
Автор: HONG, DAE SIK, KIM, JIN TAE, CHOI, SOO YONG, PARK, YO SUB, JEONG, JIN KYO
Принадлежит:

Disclosed are a device for transmitting and receiving signals by using an FBMC applied to a MIMO antenna, and a method thereof. The disclosed transmitting device comprises: a preprocessing unit for performing preprocessing on an input signal; and an FBMC transmitting unit for transmitting the preprocessed signal by using a QAM-based FBMC transmission matrix. The preprocessing unit performs preprocessing by using a right specific vector matrix V generated by performing SVD on the FBMC transmission matrix. According to the disclosed device, the QAM-based FMBC can be applied to a MIMO antenna without changing the shape of the filter and without a protective section. In addition, provided is an advantage that FMBC transmission is capable of eliminating all inter-carrier interference and inter-symbol interference in the MIMO antenna. COPYRIGHT KIPO 2019 (AA) Channel coefficient h_(m,n) (BB) Noise ...

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Номер записи: 9
05-02-2016 дата публикации

METHOD AND APPARATUS FOR PERFORMING SEQUENCE SYNCHRONIZATION IN MOBILE COMMUNICATIONS SYSTEM

Номер: KR1020160013794A
Автор: HONG, DAE SIK, CHUNG, WON SUK, KIM, CHAN HONG
Принадлежит:

The present invention provides a transmitting and receiving method which can predict definite time and frequency synchronization using sequences in a filter bank multi-carrier transmission system. The present invention comprises the steps of: mapping sequences in correspondence with filters respectively; introducing auxiliary sequences helping the sequence for the synchronization maintain a correlation characteristic; and extracting the auxiliary sequences having no influence on data demodulation while making it possible to predict the time and the frequency synchronization. The present invention can definitely predict the time and the frequency synchronization via the synchronization sequences and the auxiliary sequences generated via a filter bank multi-carrier transmission method. COPYRIGHT KIPO 2016 (100) Synchronization information generating unit (11) Constellation mapping unit (12) Serial to parallel conversion unit (13) Filter bank (15) Parallel to serial conversion unit (AA) Data ...

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Номер записи: 10
07-04-2016 дата публикации

PREPARATION METHOD FOR POLYOLEFIN POLYMER FOR FIBER PRODUCTION

Номер: WO2016052982A8
Автор: LEE, Seung Mi, CHOI, Yi Young, HONG, Dae Sik, SONG, Eun Kyoung, KWON, Heon Yong, YOU, Young Suk, LEE, Ki Soo, SONG, Ki Heon
Принадлежит:

The present invention relates to: a polyolefin which exhibits narrow molecular weight distribution, high strength and a high stretching ratio; and a preparation method therefor. According to the present invention, it is possible to provide polyethylene with high catalyst activity, high molecular weight, and controlled molecular weight distribution by using, in polymerization of an olefin monomer, a hybrid metallocene supported catalyst in which a borate compound is used as a second co-catalyst. In addition, if the polyolefin is processed, it is possible to produce a fiber with excellent mechanical properties and an excellent stretching ratio.

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Номер записи: 11
26-07-2016 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING PACKET IN FILTER BANK MULTI-CARRIER WIRELESS COMMUNICATION SYSTEM

Номер: KR1020160088643A
Автор: YUN, YEO HUN, CHOI, SOO YONG, NAM, HYUNG JU, CHUNG, WON SUK, CHOI, MOON CHANG, HAN, SEONG BAE, HONG, DAE SIK
Принадлежит:

The present invention relates to a method and an apparatus for transmitting a packet in a wireless communication system, and more specifically, to a method and an apparatus for transmitting a packet in a filter bank multi-carrier (FBMC) wireless communication system. The transmission method according to an embodiment of the present invention is a packet transmission method in a filter bank multi-carrier wireless communication system, and comprises the steps of: generating an OQAM symbol by extracting a transmission data section from data in which data to be transmitted are repeated with a value of an overlapping factor; performing an inverse fast Fourier transform (ITTF) on the OQAM symbol; performing a cyclic shift on the inverse fast Fourier transformed symbol, if the overlapping factor is even; filtering the cyclic-shifted, inverse fast Fourier-transformed symbol with a shortened correction filter; and transmitting the filtered symbol by performing OQAM overlapping. Thereby, reduction ...

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Номер записи: 12
07-12-2015 дата публикации

MANUFACTURING METHOD OF HYBRID SUPPORTED METALLOCENE CATALYST

Номер: KR1020150136282A
Автор: KIM, HYEON GOOK, CHOI, YI YOUNG, LEE, KI SOO, SONG, EUN KYOUNG, KWON, HEON YONG, HONG, DAE SIK, JEON, MAN SEONG, LEE, SEUNG MI
Принадлежит:

The present invention provides a manufacturing method of hybrid supported metallocene catalyst which can be used for manufacturing a polyolefin, hybrid supported metallocene catalyst thereby, and a manufacturing method of a polyolefin by using the catalyst. According to the present invention, a manufacturing method of hybrid supported metallocene catalyst is capable of manufacturing catalyst which enables to manufacture a polyolefin with excellent olefin polymerization activities and high bulk density at low costs and with a simplified process, and smoothly progressing a manufacturing process of a polyolefin by using the catalyst. COPYRIGHT KIPO 2016 ...

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Номер записи: 13
10-05-2018 дата публикации

DEVICE AND METHOD FOR SCHEDULING FOR MULTI-SUBBAND MOBILE COMMUNICATION SYSTEM

Номер: KR1020180047486A
Автор: NA, MIN SOO, PARK, HAE SUNG, CHOI, CHANG SOON, HONG, DAE SIK, WANG, HAN HO, KIM, JIN TAE
Принадлежит:

The present invention provides a device and a method for improving data transmission efficiency by minimizing a scheduling delay. According to an embodiment of the present invention, a base station to which a scheduling method for a multi-subband system is applied comprises: a recognition part recognizing a transmitting start point in each of transmission periods, if the transmission periods of at least two subbands among a plurality of subbands are different, when a frequency band is divided into the plurality of subbands by a frequency division multiplexing; a selection part selecting the subband having the transmission start point which firstly arrives among the plurality of subbands based on a time transmitting data to a terminal; and a communication part transmitting the data to the terminal by using the selected subband. COPYRIGHT KIPO 2018 (AA) Time ...

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Номер записи: 14
28-10-2016 дата публикации

BASE STATION APPARATUS AND METHOD FOR OPERATING BASE STATION APPARATUS

Номер: KR1020160124507A
Автор: NA, MIN SOO, YU, TAK KI, HONG, DAE SIK, WANG, HAN HO, LEE, KWON JONG
Принадлежит:

In the present invention, disclosed are a base station apparatus, and a method for operating a base station apparatus which can standardize a signal receiving quality of each small cell through a small cell operation (a transmitting power size) control method with a suitable dispersed form in an ultra-high concentration system without premising small cell connection and information exchange. The base station apparatus comprises: a verification unit for verifying a signal receiving quality value of a terminal accessing a specific cell; a measurement unit for measuring a required resource amount required in the specific cell; and a control unit for controlling the transmitting power size of a downlink signal transmitted by the specific cell based on the signal receiving quality value and the required resource amount. COPYRIGHT KIPO 2016 (110) Verification unit (120) Measurement unit (130) Control unit (140) Report unit ...

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Номер записи: 15
13-06-2013 дата публикации

METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING AVAILABLE CHANNEL INFORMATION BASED ON DIRECTIVITY IN WIRELESS COMMUNICATION SYSTEM

Номер: WO2013085275A1
Автор: KIM, Eunsun, HONG, Dae Sik, NOH, Gosan, SEOK, Yongho, HEO, Ji-Haeng
Принадлежит:

Disclosed are a method and device for transmitting and receiving available channel information based on directivity in a wireless communication system. A method for enabling a station (STA) to receive available channel information in a whitespace band according to one embodiment of the present invention comprises the steps of: determining a current position of the STA and a position at which the direction is changed on a moving path of the STA; determining K (K≥1) operating ranges based on the current position of the STA and the position at which the direction is changed; transmitting a channel availability query (CAQ) request frame for the K operating ranges to a database; and receiving available channel information on the K operating ranges through a CAQ response frame from the database.

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Номер записи: 16
18-02-2016 дата публикации

METALLOCENE COMPOUND, CATALYST COMPOSITION COMPRISING SAME, AND OLEFIN POLYMER PRODUCTION METHOD USING SAME

Номер: WO2016024818A8
Автор: LEE, Sung Min, LEE, Ki Soo, KWON, Heon Yong, HONG, Dae Sik, KIM, Se Young, LEE, Yong Ho, SHIN, Eun Young, PARK, Sung Ho, CHO, Min Seok, CHO, Kyung Jin, PARK, Jin Young
Принадлежит:

The present invention relates to: a transition metal compound which not only can exhibit a high level of activity in an olefin polymerization reaction but also allows easy adjustment of characteristics such as the chemical structure, molecular weight distribution and mechanical properties of an olefin polymer synthesised thereby; a catalyst composition comprising same; and an olefin polymer production method using the catalyst composition.

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Номер записи: 17
28-06-2018 дата публикации

POLYOLEFIN-BASED FILM

Номер: KR1020180071853A
Автор: KWON, OH JOO, CHO, SOL, LEE, KI SOO, JANG, CHANG HWAN, HONG, DAE SIK, PARK, SUNG HYUN, SHIN, EUN JI, KWON, HYUN JEE, PARK, SUNG HO
Принадлежит:

In the present invention, provided is a polyolefin-based film, in which the content of a branched polymer structure in a polymer and the weight average molecular weight of a main chain in the structure are controlled, and an olefin polymer having improved mechanical properties and transparency with excellent processability is contained to exhibit high transparency independent of processing conditions and show a small increase in film haze even when the thickness of the film is increased. COPYRIGHT KIPO 2018 ...

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Номер записи: 18
23-06-2016 дата публикации

OLEFIN-BASED POLYMER WITH EXCELLENT PROCESSABILITY

Номер: KR1020160072779A
Автор: SUNG, YU TAEK, LEE, KI SOO, KWON, HEON YONG, HONG, DAE SIK, KIM, SE YOUNG, LEE, SUNG MIN, JEONG, DONG HOON, SHIN, EUN YOUNG, KWON, HYUN JEE
Принадлежит:

The present invention relates to an ethylene-alpha-olefin copolymer with excellent processability. According to the present invention, the copolymer has the high molecular weight and a wide distribution range of the molecular weight, thereby exhibiting excellent processability and improved mechanical properties. Thus, the copolymer can be useful. COPYRIGHT KIPO 2016 ...

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Номер записи: 19
04-01-2017 дата публикации

METHOD AND APPARATUS FOR OBTAINING INFORMATION OF INTERFERENCE SOURCE IN WIRELESS COMMUNICATION SYSTEM

Номер: KR1020170001152A
Автор: HONG, DAE SIK, HEO, JI HAENG
Принадлежит:

Disclosed is technology about a method and apparatus for obtaining interference source information without cooperation between cells based on a control signal of an adjacent cell. The disclosed method for obtaining interference source information includes the steps of: receiving control signals of at least one or more adjacent cells; obtaining the interference source information by decoding the control signals; and transmitting the interference source information to a base station of a linked cell including the apparatus for obtaining the interference source information. COPYRIGHT KIPO 2017 (AA) Control signal of a linked cell (BB) Control signal of an adjacent cell (CC) Base station (DD) Apparatus for obtaining interference source information (EE) Terminal ...

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Номер записи: 20
10-11-2016 дата публикации

GLASS SUBSTRATE MOLDING DEVICE AND GLASS SUBSTRATE MOLDING METHOD

Номер: KR1020160129948A
Автор: HONG, DAE SIK, KOO, BON KI, KIM, DONG SUN, JANG, JIN SEOK, JOO, YOUNG KUIL
Принадлежит:

According to an embodiment of the present invention, provided is a glass substrate molding device. The glass substrate molding device comprises a pre-heating unit, molding unit, and a cooling unit which are arranged in a sequence. The pre-heating unit includes a pre-heating part body and a glass substrate support. The molding unit includes: a molding part body having at least one vacuum port; a molding support arranged on the molding part body, and supporting the edge of a glass substrate; and a heating means which heats the molding part body. The cooling unit includes a cooling part body and a cooling plate. COPYRIGHT KIPO 2016 ...

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Номер записи: 21
08-06-2015 дата публикации

OLEFIN BASED POLYMER HAVING EXCELLENT PROCESSIBILITY

Номер: KR1020150062924A
Автор: SUNG, YU TAEK, KWON, HEON YONG, LEE, KI SOO, HONG, DAE SIK, JEONG, DONG HOON, SHIN, EUN YOUNG
Принадлежит:

The present invention relates to an olefin based polymer with excellent processibility, which has high molecular weight and large distribution of molecules and accordingly has excellent processibility and improved transparency, thereby being widely used wherein the olefin based polymer has the polydispersity index, which is Mw divided by Mn, which is between 3 and 20, the value of MFR10/MFR2 measured by ASTM1238 which is between 9 and 15, the gradient in a complex visicosity η*[Pa.s] graph according to frequency ω [rad/s] which is between -0.55 and -0.35. COPYRIGHT KIPO 2015 ...

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Номер записи: 22
24-01-2013 дата публикации

METHOD AND APPARATUS FOR TRANSCEIVING A CONTACT VERIFICATION SIGNAL REGARDING AVAILABLE CHANNELS IN A PLURALITY OF LOCATIONS IN A WIRELESS COMMUNICATION SYSTEM

Номер: WO2013012140A1
Автор: KIM, Eunsun, HONG, Dae Sik, HEO, Ji-Haeng, NOH, Gosan, SEOK, Yongho, LEE, Jihyun
Принадлежит:

Disclosed are a method and apparatus for transceiving a contact verification signal regarding available channels in a plurality of locations in a wireless communication system. The method according to one embodiment of the present invention for receiving, by a first-type station (STA) in a wireless communication system, available channel information regarding a number K (where K > 2) of locations from a second-type STA, may comprise the steps of: receiving a channel availability query (CAQ) response message from the second-type STA, the CAQ response message including a list field for the number K of available channels, the list field consisting of: information on fields for the number of locations (K); and one available channel list for each of the number K of locations; and carrying out communication in a white space bandwidth using an available channel included in an available channel list on one location from among the number K of locations. Here, the list field for the number K of available ...

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Номер записи: 23
02-08-2018 дата публикации

HYBRID SUPPORTED CATALYST AND METHOD FOR PREPARING OLEFIN POLYMER BY USING SAME

Номер: WO2017131490A3
Автор: KWON, Hyun Jee, KWON, Heon Yong, HONG, Dae Sik, KIM, Dae Hwan, LEE, Sung Min, SHIN, Eun Young, PARK, Sung Ho, YOU, Young Suk, LEE, Jin Young
Принадлежит:

The present invention relates to a hybrid supported catalyst and a method for preparing an olefin polymer by using the same. The olefin polymer, which shows processability more remarkably improved than that of a conventional olefin polymer while maintaining the excellent mechanical strength of an olefin polymer polymerized by a conventional metallocene catalyst, can be provided by using the hybrid supported catalyst.

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Номер записи: 24
07-03-2017 дата публикации

흑연 기판의 표면 특성 개질 방법

Номер: KR0101712387B1
Автор: 황정태, 박장식, 안상철, 장진석, 홍대식, 김동선
Принадлежит: (주)제너코트, 삼성디스플레이 주식회사

... 본 발명은 흑연 기판의 표면 특성 개질 방법에 관한 것으로, 반응로를 관통하여 위치하는 흑연 지그를 냉각로에 연결하고, 상기 흑연 지그가 상기 냉각로로부터 전달받은 냉기를 상기 흑연 지그 상부에 위치하는 흑연기판으로 전달하여 상기 흑연기판이 냉각되는 단계, 코팅된 분말 상태의 실리콘을 상기 반응로에 주입하는 단계, 상기 반응로를 진공으로 형성하고 상기 반응로의 온도를 설정된 온도로 유지하여, 상기 분말 상태의 실리콘이 기체 상태의 실리콘으로 기화하는 단계, 그리고 상기 기체 상태의 실리콘이 상기 냉각된 흑연기판의 표면에 닿아 액체 상태의 실리콘으로 액화하고, 상기 액화된 실리콘이 상기 냉각된 흑연기판을 형성하는 고체 상태의 탄소와 발열활성 반응을 통해 탄화규소 코팅층을 형성하여 상기 탄화규소 코팅층이 상기 흑연기판의 상부에 장착되는 단계를 포함한다. 이로 인해, 흑연 기판에 흡착된 기체 상태의 실리콘이 냉각대에 연결된 흑연 기판에 의해 액체 상태로 빠르게 변하고, 액체 상태의 실리콘과 고체 상태의 탄소의 발열활성 반응에 의해 흑연 기판 상부에 탄화규소 코팅층이 두껍게 형성되므로, 흑연기판의 표면 특성의 개질 효율이 좋다.

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Номер записи: 25
28-04-2017 дата публикации

무선 통신 시스템에서의 간섭원 정보 획득 방법 및 장치

Номер: KR0101731707B1
Автор: 홍대식, 허지행
Принадлежит: 연세대학교 산학협력단

... 인접 셀의 제어 신호를 기반으로 셀 간 협동없이 간섭원 정보를 획득할 수 있는 방법 및 장치에 관한 기술이 개시된다. 개시된 간섭원 정보 획득 방법은 적어도 하나 이상의 인접 셀의 제어 신호를 수신하는 단계; 상기 제어 신호를 디코딩하여 간섭원 정보를 획득하는 단계; 및 상기 간섭원 정보를, 상기 간섭원 정보 획득 장치가 포함된 연관 셀의 기지국으로 전송하는 단계를 포함한다.

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Номер записи: 26
07-12-2016 дата публикации

APPARATUS AND METHOD FOR DETECTING FILTER BANK MULTICARRIER SYMBOLS IN WIRELESS COMMUNICATION SYSTEM

Номер: KR1020160140018A
Автор: KIM, CHAN HONG, HONG, DAE SIK, WEON, SUNG WOO, CHUNG, WON SUK
Принадлежит:

The present invention relates to a fifth generation (5G) or pre-5G communication system provided to support a further higher data transmission rate after a fourth generation (4G) communication system such as long term evolution (LTE). The present invention provides a method for determining a time offset and re-determining a synchronization point when the time offset occurs between signals received in a base station due to each different propagation time of terminals in a filter bank multicarrier system (FBMC). The method for determining a time offset and re-determining a synchronization point comprises: a step of determining a size of a synchronization error of each terminal through an error vector magnitude; a step of determining a sign (or a direction) of a synchronization error of each terminal through a mechanism for removing already known symbols; and a step of determining an optimum synchronization point based on the size of the determined synchronization error and the sign. According ...

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Номер записи: 27
08-06-2018 дата публикации

METHOD FOR PREPARING POLYOLFIN

Номер: KR1020180062116A
Автор: KWON, HYUCK JU, HONG, YOON KI, SONG, EUN KYOUNG, HONG, DAE SIK, LEE, YE JIN, KIM, JOONG SOO, SHIN, EUN YOUNG, YOU, YOUNG SUK, LEE, KI SOO
Принадлежит:

The present invention relates to a method for preparing polyolfin. More specifically, the present invention provides a method for preparing polyolfin, which can easily and effectively prepare polyolefin having a high molecular weight and excellent stress crack resistance (full notch creep test, FNCT). COPYRIGHT KIPO 2018 ...

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Номер записи: 28
07-04-2016 дата публикации

METHOD FOR PRODUCING POLYOLEFIN, AND POLYOLEFIN PRODUCED THEREFROM

Номер: KR1020160038589A
Автор: KWON, HYUCK JU, CHOI, YI YOUNG, SONG, EUN KYOUNG, HONG, DAE SIK, SONG, KI HEON, KIM, WOO RI, LEE, KI SOO
Принадлежит:

The present invention relates to: a method for producing polyolefin capable of effectively producing polyolefin which is preferably useful for large products or the like since the polyolefin has high molecular weight and multimodal molecular weight distribution; and polyolefin produced therefrom. The producing method of the polyolefin comprises a step of polymerizing olefin-based monomers in the presence of a hybrid-supported metallocene catalyst. COPYRIGHT KIPO 2016 (A1,A2) Slurry mixture (BB) Metallocene catalyst. First olefin-based monomer (CC) Metallocene catalyst. Second olefin-based monomer (DD) Polyolefin (EE) First reactor (FF) Second reactor (GG) Post reactor ...

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Номер записи: 29
28-06-2017 дата публикации

BIMETALLIC METALLOCENE COMPOUND, PRODUCTION METHOD THEREOF, CATALYST COMPOSITION, AND PRODUCTION METHOD OF POLYOLEFIN USING SAME

Номер: KR1020170073473A
Автор: LEE, JIN YOUNG, YOU, YOUNG SUK, KIM, DAE HWAN, PARK, SUNG HO, LEE, KI SOO, HONG, DAE SIK
Принадлежит:

The present invention relates to a bimetallic metallocene compound of a novel structure, capable of producing a polyolefin having a long chain branch (LCB) content, to a production method thereof, to a catalyst composition, and to a production method of a polyolefin using the same. COPYRIGHT KIPO 2017 ...

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Номер записи: 30
28-06-2018 дата публикации

OLEFIN POLYMER AND PREPARATION METHOD THEREFOR

Номер: WO2018117364A1
Автор: KWON, Oh Joo, CHO, Sol, PARK, Seung Ki, LEE, Ki Soo, KWON, Heon Yong, HONG, Dae Sik, PARK, Sung Hyun, PARK, Sung Ho, LEE, Jin Young
Принадлежит:

The present invention provides an olefin polymer exhibiting excellent film processability and physical properties, and a preparation method therefor.

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Номер записи: 31
06-10-2016 дата публикации

METHOD AND DEVICE FOR TRANSMITTING UPLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Номер: WO2016159681A1
Автор: JI, Hyoung-Ju, HONG, Dae-Sik, KIM, Youn-Sun, BANG, Jong-Hyun, KIM, Hyun-Soo
Принадлежит:

Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system, such as LTE, and subsequent systems, and a method for transmitting an uplink control signal in a wireless communication system comprises the steps of: transmitting information indicating a first frequency domain to which an uplink control signal is transmitted from a base station, which has determined to perform full-duplex based communication; and performing downlink reception through the remaining frequency domains excluding the first frequency domain.

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Номер записи: 32
30-07-2015 дата публикации

METHOD FOR SETTING RESOURCE FOR FDR COMMUNICATION BY NODE IN FDR COMMUNICATION ENVIRONMENT

Номер: WO2015111859A1
Автор: KAM, Seunglae, CHUNG, Jaehoon, KIM, Jinmin, LEE, Haesoon, KIM, Dongkyu, HONG, Daesik
Принадлежит:

Disclosed is a method for setting a resource, the method comprising the steps of: estimating channel information on each of a plurality of frequency resources available through CA by a base station in a FDR communication environment supporting the CA; transmitting the estimated channel information on the plurality of frequency resources to a counterpart node with which the base station is to perform a FDR communication; receiving channel information estimated by the counterpart node from the counterpart node; and selecting a frequency resource to be used for the FDR communication among the plurality of frequency resources by considering first channel information and second channel information together.

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Номер записи: 33
10-03-2016 дата публикации

SUPPORTED HYBRID CATALYST AND METHOD FOR PREPARING OLEFIN-BASED POLYMER USING SAME

Номер: WO2016036221A1
Автор: KWON, Heon Yong, SHIN, Eun Young, LEE, Ki Soo, HONG, Dae Sik, KIM, Se Young, LEE, Sung Min, KWON, Hyun Jee, LEE, Yong Ho, SUNG, Yu Taek, JEONG, Dong Hoon
Принадлежит:

The present invention relates to a supported hybrid metallocene catalyst and a method for preparing an olefin-based polymer using the same. The supported hybrid catalyst according to the present invention can be used in the preparation of an olefin-based polymer, and the olefin-based polymer prepared using the supported hybrid catalyst has excellent processability and mechanical properties and thus can be used usefully in the use as a film, etc.

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Номер записи: 34
10-03-2016 дата публикации

OLEFIN-BASED POLYMER WITH EXCELLENT PROCESSABILITY

Номер: WO2016036204A1
Автор: KIM, Joong Soo, SUNG, Yu Taek, LEE, Ki Soo, HONG, Dae Sik, SONG, Ki Heon, SONG, Eun Kyoung, KWON, Heon Yong, LEE, Yong Ho, JEONG, Dong Hoon, SUN, Soon Ho, KIM, Sun Mi
Принадлежит:

The present invention relates to an olefin-based polymer with excellent processability. The olefin-based polymer according to the present invention has excellent processability and exhibits improved mechanical properties due to having a high molecular weight and a wide distribution of molecular weight, and thus can be useful for a required use.

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Номер записи: 35
03-02-2011 дата публикации

METALLOCENE COMPOUND, CATALYST COMPOSITION COMPRISING THE SAME, AND OLEFINIC POLYMERS PRODUCED USING THE SAME

Номер: KR2011014022A2
Автор: LEE, Yong-Ho, JEON, Man-Seong, LEE, Ki-Soo, KWON, Heon-Yong, CHO, Min-Seok, PARK, Jong-Sang, CHO, Joon-Hee, KIM, Hyeon-Gook, SONG, Eun-Kyoung, KIM, Seon-Kyoung, HONG, Dae-Sik
Принадлежит:

The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerisation properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.

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Номер записи: 36
15-03-2016 дата публикации

OLEFIN-BASED POLYMER HAVING EXCELLENT PROCESSABILITY

Номер: KR1020160029704A
Автор: KIM, JOONG SOO, SUNG, YU TAEK, LEE, KI SOO, HONG, DAE SIK, SONG, KI HEON, SONG, EUN KYOUNG, KWON, HEON YONG, LEE, YONG HO, JEONG, DONG HOON, SUN, SOON HO, KIM, SUN MI
Принадлежит:

The present invention relates to an olefin-based polymer having excellent processability. The olefin-based polymer according to the present invention has excellent processability due to the high molecular weight and the wide molecular weight distribution, and exhibits improved mechanical properties, thereby being helpfully used in a required use. The olefin polymer has: the molecular weight distribution (Mw/Mn) of 5 to 30; the melting flow rate ratio (MFR_21.6/MFR_2.16) of 35 to 200 measured by ASTM1238 at 190°C; a slope of -0.8 to -0.2 in a complex visicosity (eta*[Pa.s]) graph depending on the frequency (omega[rad/s]); and a co-monomer incorporation (CI) index of 0.5 to 5. COPYRIGHT KIPO 2016 (AA) Example 1 (BB) Example 2 (CC) Example 3 (DD) Comparative example 1 ...

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Номер записи: 37
12-06-2015 дата публикации

METHOD AND APPARATUS FOR UPLINK SCHEDULING IN MULTIPLE-INPUT AND MULTIPLE-OUTPUT SYSTEM

Номер: KR1020150065044A
Автор: SUH, SANG WOOK, HONG, DAE SIK, KIM, BEOM JU, LIM, SUNG MOOK, JUNG, WON SEOK
Принадлежит:

Disclosed is a multi-user multiple-input and multiple-output system, wherein a method for uplink scheduling of base station includes the following processes of: selecting at least one set of members for simultaneous transmission among terminals by using the channel information received from each of the terminals; and generating a power control value of at least one of the sets and transmitting the value to the terminals configuring the corresponding set, wherein at least one of the sets is characterized by including a second set composed of the terminals selected according to interference regulation affecting the first set among the remaining terminals except for the first set of members composed of the terminals selected from the descending order of high reception power among the terminals. COPYRIGHT KIPO 2015 (100) MINO system (116) Communication unit (116-1) Second encoding unit (116-2) First encoding unit (118) Control unit ...

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Номер записи: 38
11-05-2017 дата публикации

HYBRID BEAMFORMING TRANSMITTING APPARATUS AND HYBRID BEAMFORMING METHOD

Номер: KR1020170049952A
Автор: NA, MIN SOO, CHOI, CHANG SOON, PARK, HAE SUNG, HONG, DAE SIK, WANG, HAN HO, LEE, KWON JONG, KIM, JOON KI
Принадлежит:

According to the present invention, disclosed are a hybrid beamforming transmitting apparatus and a hybrid beamforming method which can operate optimal beamforming by considering a trade-off relation between a transmission capacity gain and a delay problem according to the number of antennas used for analog beamforming in a MIMO system using a hybrid beamforming technology. The transmitting apparatus comprises: an analog beamforming training unit; a digital beamforming training unit; and a training control unit. COPYRIGHT KIPO 2017 (110) Analog beamforming training unit (120) Digital beamforming training unit (130) Training control unit ...

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Номер записи: 39
05-04-2012 дата публикации

PREPARATION METHOD OF HYBRID SUPPORTED METALLOCENE CATALYST

Номер: WO2012044063A3
Автор: KIM, Hyeon-Gook, LEE, Ki-Soo, HONG, Dae-Sik, SONG, Eun-Kyoung, JEON, Man-Seong
Принадлежит:

The present invention relates to a preparation method of a metallocene catalyst, and more specifically, to a preparation method of a hybrid supported metallocene catalyst, comprising the following steps: treating a support having a water content of 4-7 wt% with trialkyl aluminum at a predetermined temperature; supporting an alkyl aluminoxane on the support; and supporting a metallocene compound on the alkyl aluminoxane-supported support. According to the present invention, it is possible to prepare a hybrid supported metallocene catalyst which shows a high activity to the polymerization of olefins and enables the polymerization of olefins having a high bulk density, by a simple process.

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Номер записи: 40
25-06-2020 дата публикации

POLYOLEFIN

Номер: WO2020130720A1
Автор: LEE, Jinyoung, LEE, Sung Min, LEE, Jeongkyu, LEE, Hyojoon, KIM, Seyoung, PARK, Sung Ho, IM, Seul Ki, KIM, Seok Hwan, HONG, Daesik
Принадлежит:

The present invention relates to a polyolefin. More particularly, the present invention relates to a polyolefin, which has excellent drop impact strength and can exhibit improved transparency.

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Номер записи: 41
27-11-2015 дата публикации

Apparatus and method for allocating frequency resource to micro UE in a mobile communication system

Номер: KR0101571904B1
Автор: 조준호, 왕한호, 홍대식, 노고산, 김병훈, 이지현
Принадлежит: 연세대학교 산학협력단

... 계층적 셀 구조로 이루어진 이동통신 시스템에서 각 마이크로 단말(Micro UE)에게 주파수 자원을 할당하는 마이크로 기지국(Micro eNodeB) 장치와 그 방법이 개시된다. 초기정보 획득 모듈은 각 매크로 단말(Macro UE) 또는 매크로 기지국(Macro eNodeB)에 할당된 주파수 자원에서의 상기 각 매크로 단말 또는 상기 매크로 기지국의 트래픽에 대한 정보와, 상기 각 매크로 단말 또는 상기 매크로 기지국으로부터의 신호에 대해 상기 각 마이크로 단말이 측정한 제 1 신호 대 잡음비(Signal to Noise Ratio, SNR) 정보와, 상기 각 마이크로 단말로부터의 신호에 대해 각 마이크로 기지국에서 측정한 제 2 신호 대 잡음비 정보를 획득한다. 전송률 계산 모듈은 상기 획득한 트래픽 정보, 상기 제 1 신호 대 잡음비 정보 및 상기 제 2 신호 대 잡음비 정보를 이용하여 상기 각 마이크로 단말에서의 전송률을 계산한다. 주파수 자원 결정 모듈은 상기 계산된 전송률 정보를 이용하여 상기 각 마이크로 단말에게 할당할 주파수 자원을 결정한다. 주파수 자원 할당 모듈은 상기 결정된 주파수 자원을 상기 각 마이크로 단말에게 할당한다.

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Номер записи: 42
03-07-2017 дата публикации

HYBRID SUPPORTED CATALYST AND METHOD FOR PRODUCING OLEFIN POLYMER USING SAME

Номер: KR1020170075531A
Автор: PARK, SUNG HO, LEE, KI SOO, KWON, HEON YONG, HONG, DAE SIK, KIM, DAE HWAN, SHIN, EUN YOUNG, KWON, HYUN JEE, YOU, YOUNG SUK, LEE, JIN YEONG
Принадлежит:

The present invention relates to a hybrid supported catalyst, and a method for producing an olefin polymer using the same. The use of the hybrid supported catalyst enables the production of olefin polymers with enhanced bubble stability, and the olefin polymers produced thereby are expected to be applied as raw materials for various products ensuring high processability. Particularly, the olefin polymers can stably produce films via a melt-blown method, and thus can be useful as the raw materials for products produced via the melt-blown method. COPYRIGHT KIPO 2017 ...

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Номер записи: 43
26-11-2015 дата публикации

Channel selecting apparatus and method in a cognitive radio system

Номер: KR0101571899B1
Автор: 조준호, 이제민, 홍대식, 노고산
Принадлежит: 연세대학교 산학협력단

... 본 발명은 제한된 무선 자원을 효율적으로 사용하기 위하여, 무선 단말이 주변의 통신 환경에 대한 학습과 적응을 통해 산출된 결과를 통해서 최적의 통신을 수행하는 지능형 무선 기술인 인지 무선 시스템(cognitive radio system)에 있어서, 주파수가 기본적으로 할당되는 일차 사용자의 무선자원 중에서 일차 사용자가 사용하고 있지 않은 무선자원을 스펙트럼 센싱(spectrum sensing)을 통해서 이차 사용자가 사용할 수 있도록 하는 스펙트럼 오버레이(spectrum overlay) 접속 방식에 있어서, 효율적인 스펙트럼 센싱 방법을 수행하기 위한 방법 및 장치에 관한 것이다.

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Номер записи: 44
31-10-2017 дата публикации

우수한 용융 강도를 갖는 올레핀계 중합체 및 이를 포함하는 필름

Номер: KR0101792171B1
Автор: 정동훈, 권헌용, 승유택, 이기수, 홍대식, 신은영, 선순호
Принадлежит: 주식회사 엘지화학

... 본 발명은 우수한 용융 강도를 갖는 올레핀계 중합체 및 이를 포함하는 필름에 관한 것이다. 본 발명에 따른 올레핀계 중합체는, 가공성, 헤이즈 및 기계적 물성이 우수하며, 특히 융융 강도가 높아 압출 가공에 유리하여 필름 등의 용도로 유용하게 사용할 수 있다.

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Номер записи: 45
20-07-2018 дата публикации

OLEFIN POLYMER AND PREPARATION METHOD THEREOF

Номер: KR1020180083247A
Автор: KIM, JOONG SOO, SONG, EUN KYOUNG, SONG, NAK KYU, HONG, DAE SIK, KIM, SI YONG, SHIN, EUN YOUNG, YOU, YOUNG SUK, HONG, YOON KI
Принадлежит:

In the present invention, provided is an olefin polymer having excellent processability and dimensional stability to be useful for blow molding of pipes and the like. COPYRIGHT KIPO 2018 ...

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Номер записи: 46
11-12-2015 дата публикации

MANUFACTURING METHOD OF POLYOLEFIN AND POLYOLEFIN MANUFACTURED THEREFROM

Номер: KR1020150139462A
Автор: SONG, EUN KYOUNG, KWON, HEON YONG, KWON, HYUCK JU, LEE, YONG HO, CHOI, YI YOUNG, HONG, DAE SIK, LEE, KI SOO, CHO, KYUNG JIN
Принадлежит:

The present invention relates to a manufacturing method of a polyolefin and a polyolefin manufactured therefrom, enabling a polyolefin having a high molecular weight and various distributions of a molecular weight to be easily and effectively manufactured, which was difficult to be manufactured through the existing metallocene catalyst. The manufacturing method of the polyolefin comprises a step of polymerizing an olefin-based monomer, in the presence of hydrogen gas and metallocene-supported catalyst supported with a metallocene compound having a specific chemical structure on a carrier. COPYRIGHT KIPO 2016 ...

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Номер записи: 47
27-02-2019 дата публикации

GFDM을 이용한 신호 송신 및 수신 장치와 그 방법 및 기록 매체

Номер: KR1020190019514A
Автор: 홍대식, 정진교, 최수용, 박요섭, 원성우, 김진태
Принадлежит:

GFDM을 이용한 신호 송신 및 수신 장치와 그 방법 및 기록 매체가 개시된다. 개시된 송신 장치는 N개의 서브캐리어 각각에 M개의 서브심볼을 실은 신호를 송신하기 위한 신호 송신 장치로서, 상기 N개의 서브캐리어 각각에 M개의 제로심볼을 패딩하는 제로 패딩부; 상기 N개의 서브캐리어의 2M개의 심볼 각각에 GFDM 필터를 적용하는 GFDM 필터부; 및 상기 GFDM 필터가 적용된 신호를 송신하는 송신부를 포함하되, 상기 GFDM 필터부는 2M개의 심볼 각각에 상기 GFDM 필터를 N/2의 정수배만큼 서로 다르게 쉬프팅하여 적용하는 것을 특징으로 한다. 개시된 장치에 따르면, GFDM의 고유 특성을 유지하면서 ISI와 ICI를 제거할 수 있는 장점이 있다.

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Номер записи: 48
27-01-2016 дата публикации

ETHYLENE-1-HEXENE-1-BUTENE TERPOLYMER AND FILM COMPRISING SAME

Номер: KR1020160010351A
Автор: SUNG, YU TAEK, KWON, HEON YONG, HONG, DAE SIK, LEE, SEUNG MI, LEE, KI SOO, JEONG, DONG HOON, SHIN, EUN YOUNG, JANG, CHANG HWAN
Принадлежит:

The present invention relates to an ethylene-1-hexene-1-butene terpolymer and a film comprising the same. The ethylene-1-hexene-1-butene terpolymer according to the present invention has optimized ranges of density and a melting index, comprises 1-hexene and 1-butene as comonomers, and adjusts the content ratio of the comonomers in a predetermined range. Therefore, a polymer with excellent physical properties can be obtained. Further, the film manufactured by using the same has excellent adhesiveness, processability, and dart impact strength so as to be suitable for, especially, a stretch film, and thus can be helpfully used. COPYRIGHT KIPO 2016 (AA) Low molecular side SCB (BB) High molecular side SCB (CC) Low molecular side 20% (DD) High molecular side 20% ...

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Номер записи: 49
05-02-2015 дата публикации

METALLOCENE COMPOUND, CATALYST COMPOSITION COMPRISING SAME, AND METHOD FOR PRODUCING OLEFIN POLYMER USING CATALYST COMPOSITION

Номер: WO2015016423A1
Автор: LEE, Yong Ho, SONG, Eun Kyoung, CHO, Kyung Jin, LEE, Ki Soo, KIM, Se Young, LEE, Sung Min, KWON, Hyuc Ju, CHOI, Yi Young, KWON, Heon Yong, CHO, Min Seok, HONG, Dae Sik
Принадлежит:

The present invention relates to a novel metallocene compound, a catalyst composition comprising same, and a method for producing olefin polymer by means of the catalyst composition. The metallocene compound and the catalyst composition comprising same according to the present invention can be used when producing olefin polymer, have superb polymerizability, and can produce an ultra-high molecular weight olefin polymer. In particular, when the metallocene compound according to the present invention is utilized, a high level of polymeric activity is exhibited even when carried in a carrier, a highly active state is maintained even in the presence of hydrogen due to low reactivity thereto, and can produce olefin polymer having a ultra-high molecular weight.

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Номер записи: 50
24-12-2014 дата публикации

SILICA CARRIER AND PRODUCTION METHOD THEREFOR AND METALLOCENE CATALYST USING SAME

Номер: WO2014204079A1
Автор: HONG, Dae Sik, LEE, Ki Soo, KWON, Heon Yong, KIM, Hyeon-Gook, SONG, Eun Kyoung, LEE, Yong Ho
Принадлежит:

The present invention relates to a silica carrier for a metallocene catalyst used in olefin polymerisation, to a production method therefor, and to a metallocene catalyst and an olefin polymer using same. More specifically, in the present invention, a specific halogenated metal compound is used in order to treat a silica carrier used when making an olefin supported catalyst, thereby diversifying reaction sites for an auxiliary catalyst when producing the metallocene catalyst and so making it possible to obtain a macromolecule and possible to greatly widen the molecular weight distribution of the olefin polymer as compared with hitherto even while supporting the same metallocene catalyst.

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Номер записи: 51
23-07-2020 дата публикации

SUPPORTED HYBRID METALLOCENE CATALYST AND METHOD FOR PREPARING OLEFIN POLYMER BY USING SAME

Номер: WO2020149643A1
Автор: LEE, Ye Jin, SONG, Eun Kyoung, HONG, Daesik, LEE, Hye Kyung, KIM, Joongsoo, SHIN, Eunyoung, KWAK, Jinyoung
Принадлежит:

According to the present invention, provided are a catalyst composition and a method for preparing an olefin polymer by using the catalyst composition, the catalyst composition being capable of contributing to catalyst cost saving by exhibiting high activity in an olefin polymerization reaction, and being capable of exhibiting excellent processability and long-term properties by exhibiting high copolymerizing ability, thereby being suitable for providing a polymer for pipes.

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Номер записи: 52
04-07-2019 дата публикации

METALLOCENE SUPPORTED CATALYST AND METHOD FOR PREPARING POLYPROPYLENE USING SAME

Номер: WO2019132450A1
Автор: CHEONG, Jae Youp, KWON, Heon Yong, HONG, Daesik, JEON, Sangjin
Принадлежит:

The present invention relates to a novel supported catalyst containing a metallocene compound, the catalyst having excellent polymerization activity, and to a method for preparing polypropylene by polymerizing propylene in the presence of the catalyst. The metallocene-supported catalyst of the present invention can produce polypropylene having a relatively narrow molecular weight distribution and SPAN value.

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Номер записи: 53
07-04-2011 дата публикации

SUPPORTED HYBRID METALLOCENE CATALYST COMPRISING THREE COMPOUNDS, AND METHOD FOR PREPARING SAME

Номер: WO2011040753A3
Автор: SONG, Eun-Kyoung, JEON, Man-Seong, CHO, Joon-Hee, LEE, Ki-Soo, HONG, Dae-Sik
Принадлежит:

According to the present invention, a novel supported hybrid metallocene catalyst comprises a catalyst precursor and a supporting material for supporting the catalyst precursor, wherein said catalyst precursor comprises a phenoxyimine-based metal compound and two metallocene compounds which are different from each other. When polyolefins are polymerized using the supported hybrid metallocene catalyst of the present invention, molecular mass distribution can be controlled, and the activity of the catalyst can be improved.

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Номер записи: 54
10-04-2017 дата публикации

폴리올레핀의 제조 방법 및 이로부터 제조된 폴리올레핀

Номер: KR0101725352B1
Автор: 권혁주, 최이영, 송은경, 홍대식, 송기헌, 김우리, 이기수
Принадлежит: 주식회사 엘지화학

... 본 발명은 큰 분자량 및 다봉 분자량 분포를 가짐에 따라, 대형 제품용 등으로 바람직하게 사용 가능한 폴리올레핀을 보다 효과적으로 제조할 수 있는 폴리올레핀의 제조 방법 및 이로부터 제조된 폴리올레핀에 관한 것이다. 상기 폴리올레핀의 제조 방법은 혼성 담지 메탈로센 촉매의 존재 하에, 올레핀계 단량체를 중합하는 단계를 포함한다.

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Номер записи: 55
20-09-2016 дата публикации

혼성 담지 메탈로센 촉매 및 이를 이용하는 올레핀계 중합체의 제조방법

Номер: KR0101658172B1
Автор: 권헌용, 승유택, 이기수, 홍대식, 정동훈, 신은영, 최이영, 송은경, 이용호, 조민석, 이승미
Принадлежит: 주식회사 엘지화학

... 본 발명은 신규한 혼성 담지 메탈로센 촉매 및 이를 이용하는 올레핀계 중합체의 제조방법에 관한 것이다. 본 발명에 따른 혼성 담지 메탈로센 촉매는 올레핀계 중합체의 제조시 사용할 수 있고, 가공성, 기계적 물성 및 헤이즈 특성이 우수하며, 고분자량 및 넓은 분자량 분포를 갖는 올레핀계 중합체를 제조할 수 있다.

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Номер записи: 56
10-04-2017 дата публикации

혼성 담지 촉매 및 이를 이용하는 올레핀 중합체의 제조 방법

Номер: KR0101725349B1
Автор: 이승미, 박성호, 이기수, 권헌용, 조민석, 홍대식, 권현지, 전만성, 최이영, 정동훈
Принадлежит: 주식회사 엘지화학

... 본 발명에 따르면, 올레핀 중합 반응에서 높은 활성을 나타낼 수 있을 뿐만 아니라, 고분자량 및 원하는 물성을 가지는 올레핀 중합체를 용이하게 제조할 수 있는 혼성 담지 촉매 및 상기 혼성 담지 촉매를 이용한 올레핀 중합체의 제조 방법이 제공될 수 있다.

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Номер записи: 57
03-05-2016 дата публикации

Olefin based polymer having excellent processibility

Номер: KR0101617870B1
Автор: 김중수, 승유택, 이기수, 홍대식, 송기헌, 송은경, 권헌용, 이용호, 정동훈, 선순호, 김선미
Принадлежит: 주식회사 엘지화학

... 본 발명은 가공성이 우수한 올레핀계 중합체에 관한 것이다. 본 발명에 따른 올레핀계 중합체는 고분자량 및 넓은 분자량 분포를 가져 가공성이 우수하고, 향상된 기계적 물성을 나타내어, 필요로 하는 용도에 유용하게 사용될 수 있다.

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Номер записи: 58
16-06-2016 дата публикации

OLEFIN-BASED POLYMER HAVING EXCELLENT MELT STRENGTH AND FILM COMPRISING SAME

Номер: KR1020160069467A
Автор: JEONG, DONG HOON, KWON, HEON YONG, SUNG, YU TAEK, LEE, KI SOO, HONG, DAE SIK, SHIN, EUN YOUNG, SUN, SOON HO
Принадлежит:

The present invention relates to an olefin-based polymer having excellent melt strength, and a film comprising the same. The olefin-based polymer according to the present invention has excellent processibility, haze, and mechanical properties, and particularly has high melt strength. Therefore, the olefin-based polymer is advantageous to an extrusion process, thereby being useful for purposes such as a film or the like. The olefin-based polymer satisfies a formula, -32.0 * log MI + 75.2 <= MS <= -40.9 * log MI + 77.9. In the formula, MI refers to the melt flow index measured under a load of 2.16 kg at 190°C, and MS refers to the melt strength. COPYRIGHT KIPO 2016 (A) Example (B) Comparative example ...

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Номер записи: 59
19-04-2018 дата публикации

SIGNAL RECEIVING DEVICE

Номер: KR1020180040021A
Автор: NA, MIN SOO, CHOI, CHANG SOON, PARK, HAE SUNG, HONG, DAE SIK, WANG, HAN HO, LEE, KWON JONG, KIM, JOON KI
Принадлежит:

The present invention provides a new operation method for a deactivated terminal which leads to improved data reception accuracy and reduced reception complexity in a receiving terminal (base station) extracting each data transmitted by multiple terminals from a signal received through the same wireless resource (UL grant free wireless resource) in a non-orthogonal multiple access (NOMA) system. A signal receiving device of the present invention comprises: a signal receiving part; a data receiving part; and an estimating part. COPYRIGHT KIPO 2018 (110) Signal receiving part (120) Data receiving part (130) Estimating part ...

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Номер записи: 60
22-06-2016 дата публикации

METALLOCENE SUPPORTED CATALYST AND PREPARATION METHOD OF POLYOLEFIN USING SAME

Номер: KR1020160072068A
Автор: SHIN, EUN YOUNG, KWON, HEON YONG, KIM, SE YOUNG, KWON, HYUN JEE, HONG, DAE SIK, LEE, SUNG MIN, LEE, KI SOO
Принадлежит:

The present invention relates to a novel metallocene supported catalyst, and a preparation method of polyolefins using the same. The metallocene supported catalyst according to the present invention can be used to prepare polyolefins, and has excellent catalytic activity while having excellent reactivity with comonomers. Thus, the metallocene supported catalyst can effectively prepare olefin-based polymers having a high molecular weight and a low molecular weight. The metallocene supported catalyst comprises: at least one metallocene compound represented by chemical formula 1 or chemical formula 2; and a promotor compound. COPYRIGHT KIPO 2016 ...

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Номер записи: 61
29-11-2017 дата публикации

APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL IN COMMUNICATIONS SYSTEM

Номер: KR1020170130856A
Автор: NOH, HOON DONG, HONG, DAE SIK, KIM, YOUN SUN, KIM, HYUN SOO, BANG, JONG HYUN, KWAK, YOUNG WOO
Принадлежит:

The present invention relates to a communications method for fusing a fifth generation (5G) communications system for supporting a higher data transmission rate than a fourth generation (4G) communications system with an Internet of Things (IoT) technology, and to a system thereof. The present invention can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related services, etc.) based on a 5G communications technology and an IoT related technology. A method of a base station in a communications system of the present invention comprises the steps of: detecting a margin transmission power of each terminal; designating each of the terminals as a first or second terminal on the basis of the margin transmission power of each of the terminals; and allocating a part of the margin transmission power of the second terminal to the first terminal. COPYRIGHT KIPO ...

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Номер записи: 62
15-12-2011 дата публикации

CLAY-SUPPORTED NICKEL DIIMINE CATALYST AND METHOD FOR PREPARING POLYOLEFIN/CLAY NANOCOMPOSITE USING SAME

Номер: WO2011155753A2
Автор: HONG, Dae-Sik, CHOI, Yi-Young, LEE, Ki-Soo
Принадлежит:

The present invention provides a clay metal composite obtained by modifying an organic metal compound, using clay including an organic reforming agent a clay-supported nickel diimine catalyst including a nickel diimine catalyst that is supported by the clay metal compound, a method for preparing same, a polyolefin/clay nanocomposite using the clay-supported nickel diimine catalyst, and a method for preparing same. The clay-supported nickel diimine-based catalyst of the present invention contain metal components in the organic metal compound which significantly improves polymerization catalytic activity and provides a polyolefin/clay nanocomposite having superior dispersion of the clay in the polyolefin by effectively stripping the layered composition of the clay, which is enabled by the metal components being coupled to the clay, thus accelerating the in-situ polymerization of an olefin monomer.

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Номер записи: 63
07-04-2011 дата публикации

SUPPORTED HYBRID METALLOCENE CATALYST COMPRISING THREE COMPOUNDS, AND METHOD FOR PREPARING SAME

Номер: WO2011040753A2
Автор: SONG, Eun-Kyoung, JEON, Man-Seong, CHO, Joon-Hee, LEE, Ki-Soo, HONG, Dae-Sik
Принадлежит:

According to the present invention, a novel supported hybrid metallocene catalyst comprises a catalyst precursor and a supporting material for supporting the catalyst precursor, wherein said catalyst precursor comprises a phenoxyimine-based metal compound and two metallocene compounds which are different from each other. When polyolefins are polymerized using the supported hybrid metallocene catalyst of the present invention, molecular mass distribution can be controlled, and the activity of the catalyst can be improved.

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Номер записи: 64
03-02-2011 дата публикации

METALLOCENE COMPOUND, CATALYST COMPOSITION COMPRISING THE SAME, AND OLEFINIC POLYMERS PRODUCED USING THE SAME

Номер: WO2011014022A3
Автор: LEE, Yong-Ho, JEON, Man-Seong, LEE, Ki-Soo, KWON, Heon-Yong, CHO, Min-Seok, PARK, Jong-Sang, CHO, Joon-Hee, KIM, Hyeon-Gook, SONG, Eun-Kyoung, KIM, Seon-Kyoung, HONG, Dae-Sik
Принадлежит:

The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerisation properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.

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Номер записи: 65
02-08-2012 дата публикации

OLEFIN BLOCK COPOLYMER

Номер: WO2012102572A3
Автор: JEON, Man-Seong, LEE, Ki-Soo, LEE, Yong-Ho, KWON, Heon-Yong, CHO, Min-Seok, KIM, Seon-Kyoung, LIM, Kyoung-Chan, HONG, Dae-Sik
Принадлежит:

The present invention relates to an olefin block copolymer showing excellent elasticity, heat resistance and processability. The olefin block copolymer comprises a plurality of blocks or segments comprising an ethylene-based or propylene-based repeating unit and an α-olefin-based repeating unit of a different molar ratio, wherein the olefin block copolymer comprises polymer chains comprising 20-100 short chain branching (SCB) per 1000 carbon atoms, the point in which a first differentiated value of the number Y of short chain branching per 1000 carbon atoms of each polymer chain with respect to the molecular weight X of each polymer chain is 0, exists between the maximum and minimum of molecular weight X.

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Номер записи: 66
29-03-2017 дата публикации

담지 메탈로센 촉매의 제조방법

Номер: KR0101721194B1
Автор: 이승미, 최이영, 이기수, 송은경, 권헌용, 조민석, 홍대식, 권현지, 승유택, 정동훈
Принадлежит: 주식회사 엘지화학

... 본 발명은 겉보기 밀도가 높은 고활성 담지 메탈로센 촉매의 제조방법에 관한 것이다. 보다 구체적으로는, 실리카 담체의 내부에 기존보다 많은 양의 조촉매가 침투되어 있고 그 외부에도 상당량의 조촉매가 결합되어 담지된 실리카 담체에, 1종 이상의 메탈로센 화합물이 담지된 담지 메탈로센 촉매의 제조방법이 제공된다. 본 발명에 따른 촉매는 고활성 촉매 특성을 유지하면서 중합체의 겉보기 밀도와 효율이 향상된 폴리올레핀 중합체를 제조할 수 있다.

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Номер записи: 67
12-10-2017 дата публикации

QUANTITATIVE ANALYSIS METHOD OF POLYMER STRUCTURE AND QUANTITATIVE ANALYSIS DEVICE THEREOF

Номер: KR1020170112184A
Автор: PARK, SUNG HYUN, LEE, CHAE KYU, IM, YE HOON, SUNG, YU TAEK, LEE, MYUNG HAN, KWON, OH JOO, KWON, HEON YONG, HONG, DAE SIK
Принадлежит:

The present specification relates to a quantitative analysis method of a polymer structure. More specifically, the method is able to be executed by actually measuring a rheological property of a randomly selected polymer and/or molecular weight distribution; setting a random value with respect to the selected polymer; estimating the rheological property of the polymer and/or the molecular weight distribution from the random value; and comparing an experimental value with an estimation value to confirm a value of a structure parameter of the parameter. COPYRIGHT KIPO 2017 (AA) Polymer selection for analysis (BB) Measurement of rheological properties/molecular weight distribution (CC) Selection of structural parameter items (DD) Enter an arbitrary value (EE) Estimation of rheological properties/molecular weight distribution using random values (FF) Comparison of predicted and measured values of rheological properties/molecular weight distribution, ε < ε_s (GG) Derivation of definite value ...

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Номер записи: 68
21-01-2016 дата публикации

BASE STATION DEVICE AND METHOD FOR OPERATING SAME

Номер: WO2016010259A1
Автор: NA, Min Soo, YU, Tak Ki, KIM, Young Lak, MOON, Sung Ho, KIM, Tae Guen, HONG, Dae Sik, WANG, Han Ho, PARK, Yo Seop
Принадлежит:

Disclosed are a base station device and a method for operating same, the base station device, in a heterogeneous network environment in which a plurality of base stations that form cells of different sizes coexist in the same area, enabling performance enhancement of coordinated multi-point (CoMP) communication by having applied environment specificity in which cells of different sizes coexist.

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Номер записи: 69
10-12-2015 дата публикации

METHOD OF PREPARING POLYOLEFIN AND POLYOLEFIN PREPARED BY SAID METHOD

Номер: WO2015186970A1
Автор: SONG, Eun Kyoung, KWON, Heon Yong, KWON, Hyuck Ju, LEE, Yong Ho, CHOI, Yi Young, HONG, Dae Sik, LEE, Ki Soo, CHO, Kyung Jin
Принадлежит:

The present invention relates to a method capable of more easily and effectively preparing polyolefin, and polyolefin prepared by the same, wherein the method is for preparing polyolefin having a high molecular weight and various molecular weight distributions, which is difficult to prepare through a typical metallocene catalyst. The method for preparing polyolefin includes a step of polymerizing olefin-based monomers in the presence of hydrogen gas and a metallocene-containing catalyst in which a carrier contains a metallocene compound having a certain chemical structure.

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Номер записи: 70
25-07-2017 дата публикации

섬유 제조용 폴리올레핀 중합체의 제조방법

Номер: KR0101761394B1
Автор: 이승미, 최이영, 홍대식, 송은경, 권헌용, 유영석, 이기수, 송기헌
Принадлежит: 주식회사 엘지화학

... 본 발명은 분자량 분포가 좁고 고강도 및 고연신비를 나타내게 하는 폴리올레핀 및 그 제조방법에 관한 것이다. 본 발명에 따르면, 제2 조촉매로 보레이트 화합물이 사용되는 혼성 메탈로센 담지 촉매를 올레핀 단량체의 중합에 사용함으로써, 촉매 활성이 높고 고분자량 및 분자량 분포가 조절된 폴리에틸렌을 제공할 수 있고, 이러한 폴리에틸렌을 가공하면 기계적 물성이 우수하고 연신비가 우수한 섬유를 제조할 수 있다.

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Номер записи: 71
18-02-2016 дата публикации

METALLOCENE COMPOUND, CATALYST COMPOSITION COMPRISING SAME, AND OLEFIN POLYMER PRODUCTION METHOD USING SAME

Номер: WO2016024818A1
Автор: LEE, Sung Min, LEE, Ki Soo, KWON, Heun Yong, HONG, Dae Sik, KIM, Se Young, LEE, Yong Ho, SHIN, Eun Young, PARK, Sung Ho, CHO, Min Seok, CHO, Kyung Jin, PARK, Jin Young
Принадлежит:

The present invention relates to: a transition metal compound which not only can exhibit a high level of activity in an olefin polymerization reaction but also allows easy adjustment of characteristics such as the chemical structure, molecular weight distribution and mechanical properties of an olefin polymer synthesised thereby; a catalyst composition comprising same; and an olefin polymer production method using the catalyst composition.

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Номер записи: 72
16-04-2015 дата публикации

ROTATION PRE-CODER BASED SELF-INTERFERENCE CANCELLATION METHOD AND APPARATUS IN WIRELESS ACCESS SYSTEM SUPPORTING FULL DUPLEX RADIO SCHEME

Номер: WO2015053528A1
Автор: KIM, Jinmin, LEE, Haesoon, CHUNG, Jaehoon, KIM, Kitae, HONG, Daesik, KIM, Dongkyu
Принадлежит:

The present invention provides methods for cancelling a rotation pre-coder based self-interference in FDR system and apparatuses supporting the same. A method for cancelling a rotation pre-coder based self-interference by a terminal in a wireless access system supporting a full-duplex radio (FDR) scheme, as an embodiment of the present invention, may comprise the steps of: receiving a first reference signal from a base station; receiving, by a terminal, a second reference signal transmitted from the terminal; estimating a preferred channel on the basis of the first reference signal and a self-interference channel on the basis of the second reference signal; measuring a rotation angle on the basis of a first angle which is perpendicular to a detection axis with respect to the preferred channel and a second angle with respect to the interference channel; rotating the self-interference channel using a rotation angle; and cancelling an interference signal on the basis of the rotated self-interference ...

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Номер записи: 73
23-06-2015 дата публикации

Method and Apparatus for Scheduling based on Lattice Reduction Aided precoding in Multiple Input Multiple Output Wireless Communication System

Номер: KR0101530856B1
Автор: 김성환, 이주현, 홍대식, 이종혁, 권동영
Принадлежит: 삼성전자주식회사, 연세대학교 산학협력단

... 본 발명의 다중 입출력 안테나 무선 통신 시스템에서 격자 감소 프리코딩 기반 스케줄링 방법은 기지국의 제어를 받는 모든 단말로부터 채널 정보들을 피드백 받는 피드백 단계, 상기 채널 정보들을 이용하여 각각의 격자 감소 변환 채널(lattice reduced inverted channel) 정보들을 생성하는 정보 생성 단계, 상기 각각의 격자 감소 변환 채널 정보의 성분 중 기 선택된 채널들의 격자 감소 변환 채널 정보에 의하여 확장된 부공간(subspace)에 직교하는 성분의 크기를 계산하고, 상기 직교하는 성분의 크기가 가장 큰 격자 감소 변환 채널 정보에 대응하는 채널을 선택하는 스케줄링 단계 및 데이터를 격자 감소 프리코딩하여 상기 선택된 채널에 대응하는 단말들로 전송하는 프리코딩 단계를 포함하는 것을 특징으로 한다. 본 발명의 다중 입출력 안테나 무선 통신 시스템에서 격자 감소 프리코딩 기반 스케줄링 방법 및 이를 위한 장치에 의하면 격자 감소 프리코더의 악성 조건 채널을 양성 조건 채널로 바꾸는 장점을 유지하면서 다중 사용자 다이버시티를 최대한 획득하여, 기존 간섭 제거 빔포밍을 이용한 스케줄링 기법을 사용할 때보다 높은 성능을 얻으면서 유사한 복잡도를 유지할 수 있다.

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Номер записи: 74
22-06-2015 дата публикации

APPARATUS FOR POLISHING SUBSTRATE AND THE POLISHED SUBSTRATE FOR DISPLAY DEVICE USING THE SAME

Номер: KR0101530690B1
Автор: 한상우, 장진석, 홍대식, 전재승
Принадлежит: 삼성디스플레이 주식회사

... 본 발명에 따른 기판 연마장치는 회전하고, 제1 면 및 상기 제1 면과 다른 제2 면을 포함하는 회전체, 상기 제1 면에 결합된 제1 브러시 및 상기 제2 면에 결합된 제2 브러시를 포함한다. 본 발명에 따른 기판 연마장치는 기판을 입체적으로 연마할 수 있다. 또한, 본 발명에 따른 기판 연마장치에 의해 연마된 연마기판은 3차원 형상을 가질 수 있다.

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Номер записи: 75
29-03-2018 дата публикации

METHOD FOR GENERATING AND TRANSMITTING DOWNLINK PREAMBLE IN WIRELESS COMMUNICATION SYSTEM

Номер: KR1020180031925A
Автор: HONG, DAE SIK, LEE, HAK KEON, KIM, HYUN SOO, LIM, SUNG MOOK
Принадлежит:

The present invention discloses a method for generating and transmitting a downlink preamble in a wireless communication system supporting a variable tone spacing (VTS) which allows a user terminal assigned with different tone spacing to estimate time synchronization through one preamble structure. The disclosed method for generating a downlink preamble comprises the following steps of: determining a tone spacing interval with respect to first and second user terminals; generating a first preamble of the determined length according to a first tone spacing interval for the first user terminal; generating a second preamble of the determined length according to a second tone spacing interval for the second user terminal; and overlapping the first and second preambles, and generating a third preamble so that a cyclic prefix (CP) of the second preamble is located between preamble sequences. COPYRIGHT KIPO 2018 ...

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Номер записи: 76
05-06-2015 дата публикации

PREPARATION METHOD OF HYBRID SUPPORTED METALLOCENE CATALYST

Номер: KR1020150062004A
Автор: KIM, SUN MI, LEE, KI SOO, SONG, EUN KYOUNG, KWON, HEON YONG, LEE, YONG HO, HONG, DAE SIK, CHOI, YI YOUNG, CHO, KYUNG JIN, LEE, SEUNG MI, SHIN, EUN YOUNG, KWON, HYUN JEE, YOU, YOUNG SUK
Принадлежит:

The present invention relates to a preparation method of a hybrid supported metallocene catalyst and, more specifically, relates to a preparation method of a hybrid supported metallocene catalyst using two or more different kinds of metallocene compounds, wherein one of the metallocene compounds has excellent activity and can be used in the polymerization of an olefin-based polymer having a ultra-high molecular weight by displaying high polymerization activity even when being supported. According to a hybrid supported metallocene catalyst that is obtained by the preparation method of the present invention, an olefin-based polymer having a high molecular weight and desired physical properties can be manufactured. COPYRIGHT KIPO 2015 ...

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Номер записи: 77
31-05-2018 дата публикации

METHOD FOR EVALUATING PHYSICAL PROPERTIES OF POLYETHYLENE RESIN

Номер: WO2018097508A1
Автор: LEE, Hyun Sup, PARK, Sung Hyun, KIM, Joong Soo, HONG, Dae Sik, LEE, Myung Han, YOU, Young Suk
Принадлежит:

The present invention relates to a method for evaluating the physical properties of a polyethylene resin, and, more specifically, to a method for evaluating the physical properties of a new polyethylene resin by using physical properties which can be measured in a short time by an easy method, which can accurately derive the long-term durability of a molded product actually produced.

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Номер записи: 78
07-04-2016 дата публикации

PREPARATION METHOD FOR POLYOLEFIN POLYMER FOR FIBER PRODUCTION

Номер: WO2016052982A1
Автор: LEE, Seung Mi, HONG, Dae Sik, SONG, Eun Kyoung, KWON, Heon Yong, YOU, Young Suk, LEE, Ki Soo, SONG, Ki Heon
Принадлежит:

The present invention relates to: a polyolefin which exhibits narrow molecular weight distribution, high strength and a high stretching ratio; and a preparation method therefor. According to the present invention, it is possible to provide polyethylene with high catalyst activity, high molecular weight, and controlled molecular weight distribution by using, in polymerization of an olefin monomer, a hybrid metallocene supported catalyst in which a borate compound is used as a second co-catalyst. In addition, if the polyolefin is processed, it is possible to produce a fiber with excellent mechanical properties and an excellent stretching ratio.

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Номер записи: 79
02-08-2012 дата публикации

OLEFIN BLOCK COPOLYMER

Номер: WO2012102572A9
Автор: JEON, Man-Seong, LEE, Ki-Soo, LEE, Yong-Ho, KWON, Heon-Yong, CHO, Min-Seok, KIM, Seon-Kyoung, LIM, Kyoung-Chan, HONG, Dae-Sik
Принадлежит:

The present invention relates to an olefin block copolymer showing excellent elasticity, heat resistance and processability. The olefin block copolymer comprises a plurality of blocks or segments comprising an ethylene-based or propylene-based repeating unit and an α-olefin-based repeating unit of a different molar ratio, wherein the olefin block copolymer comprises polymer chains comprising 20-100 short chain branching (SCB) per 1000 carbon atoms, the point in which a first differentiated value of the number Y of short chain branching per 1000 carbon atoms of each polymer chain with respect to the molecular weight X of each polymer chain is 0, exists between the maximum and minimum of molecular weight X.

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Номер записи: 80
29-03-2018 дата публикации

METHOD FOR GENERATING AND TRANSMITTING DOWNLINK PREAMBLE IN WIRELESS COMMUNICATION SYSTEM

Номер: WO2018056507A1
Автор: HONG, Dae Sik, LEE, Hak Keon, KIM, Hyun Soo, LIM, Sung Mook
Принадлежит:

Disclosed is a method for generating and transmitting a downlink preamble in a wireless communication system supporting variable tone spacing (VTS). The disclosed method for generating a downlink preamble comprises the steps of: determining a tone spacing interval for a first user terminal and a second user terminal; generating a first preamble having a length determined according to a first tone spacing interval for the first user terminal; generating a second preamble having a length determined according to a second tone spacing interval for the second user terminal; and overlapping the first preamble and the second preamble to generate a third preamble to allow a cyclic prefix (CP) of the second preamble to be located between preamble sequences.

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Номер записи: 81
11-11-2010 дата публикации

OLEFIN POLYMER AND FIBER INCLUDING SAME

Номер: KR2010128826A2
Автор: CHO, Joon-Hee, CHO, Young-Jin, LEE, Soo-Jeong, LEE, Ki-Soo, KWON, Heon-Yong, LEE, Yong-Ho, KIM, Dong-Hyun, HONG, Dae-Sik
Принадлежит:

The present invention relates to an olefin polymer and to a fiber including same. More specifically, an olefin polymer according to the present invention is characterized by: 1) a density of 0.94 to 0.96 g/cm3; 2) a melt index (MI: 190°C, 2.16 kg) of 0.1 to 1.5 g/10 min; and 3) a molecular weight distribution (PDI; Mw/Mn) of 2 to 7; and in that the olefin polymer can be prepared by using a supported metallocene catalyst. A fiber which exhibits properties such as high elongation, high tenacity, etc., can be prepared from the olefin polymer according to the present invention.

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Номер записи: 82
20-04-2018 дата публикации

무선 통신 시스템에서의 불연속 수신 동작 수행 방법 및 장치

Номер: KR0101837197B1
Автор: 오창윤, 김동규, 김형종, 홍대식
Принадлежит: 삼성전자주식회사, 연세대학교 산학협력단

... 본 발명은 무선 통신 시스템에서의 불연속 수신 동작 수행 방법에 관한 것으로, 본 발명의 일 실시 예에 따른 무선 통신 시스템에서 단말이 불연속 수신(Discontinuous Reception; DRX) 동작을 수행하는 방법은, 기지국으로부터 DRX 동작 관련 파라미터를 수신하는 단계; 상기 파라미터를 기반으로 확장된 DRX 주기를 계산하는 단계; 기지국과 공유하는 설정된 카운터 값을 기반으로 상기 확장된 DRX 주기에 따른 확장된 DRX 시작 오프셋을 계산하는 단계; 및 상기 확장된 DRX 시작 오프셋과 상기 확장된 DRX 주기를 기반으로 상기 불연속 수신을 수행하는 단계를 포함한다. 본 발명에 따르면, 단말, 특히 MTC 단말에 확장된 DRX 주기를 적용함으로써 페이징 채널 검색에 따른 불필요한 전력 소모를 줄일 수 있는 이점이 있다.

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Номер записи: 83
30-06-2016 дата публикации

TRANSITION METAL COMPOUND, CATALYST COMPOSITION COMPRISING SAME AND PREPARATION METHOD OF OLEFIN POLYMER USING SAME

Номер: KR1020160076415A
Автор: KWON, HYUN JEE, LEE, SUNG MIN, PARK, SUNG HO, KWON, HEON YONG, HONG, DAE SIK, SUNG, YU TAEK, SHIN, EUN YOUNG, LEE, KI SOO, JEONG, DONG HOON, KIM, SE YOUNG, CHO, MIN SEOK, KIM, DAE HWAN
Принадлежит:

According to the present invention, provided are a transition metal compound which can exhibit high activity in an olefin polymerization reaction, capable of adjusting the characteristics of a synthesized olefin polymer, such as a chemical structure, a molecular weight, molecular weight distribution, mechanical properties, transparency, etc.; a catalyst composition comprising the same; and a preparation method of an olefin polymer using the catalyst composition. The transition metal compound is represented by chemical formula 1. COPYRIGHT KIPO 2016 ...

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Номер записи: 84
12-04-2018 дата публикации

DEVICE AND METHOD FOR CONTROLLING RADIO RESOURCE ALLOCATION

Номер: KR1020180037535A
Автор: NA, MIN SOO, CHOI, CHANG SOON, PARK, HAE SUNG, HONG, DAE SIK, WANG, HAN HO, LEE, KWON JONG, KIM, JOON KI
Принадлежит:

The present invention proposes a novel method for selecting an optimal terminal to use same radio resource, particularly UL Grant Free radio resource, so that signal classification accuracy of a receiving terminal (a base station) can be enhanced in a NOMA system. A device for controlling radio resource allocation comprises: a reception quality verifying unit; a terminal group identifying unit; and an allocation controlling unit. COPYRIGHT KIPO 2018 (110) Signal quality verifying unit (120) Terminal group identifying unit (130) Allocation controlling unit (140) NOMA receiving function unit ...

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Номер записи: 85
23-04-2015 дата публикации

METHOD FOR PRODUCING HYBRID-SUPPORTED METALLOCENE CATALYST

Номер: WO2015056974A1
Автор: HONG, Dae Sik, KWON, Heon Yong, SONG, Eun Kyoung, LEE, Yong Ho, CHO, Kyung Jin, LEE, Ki Soo, CHOI, Yi Young
Принадлежит:

The present invention relates to a method for producing a hybrid-supported metallocene catalyst. More specifically, the method for producing a hybrid-supported metallocene catalyst uses two mutually different types of metallocene compounds, the one type of metallocene compound thereamong exhibiting high polymeric activity even when supported, and thus having superb activity and capable of being used to polymerize olefin-based polymer having ultra-high molecular weight. The hybrid-supported metallocene catalyst obtained by means of the production method according to the present invention can produce an olefin-based polymer having a high molecular weight and other desirable properties.

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Номер записи: 86
09-02-2017 дата публикации

에틸렌-1-헥센-1-부텐 3원 공중합체 및 이를 포함하는 필름

Номер: KR0101705339B1
Автор: 승유택, 권헌용, 홍대식, 이승미, 이기수, 정동훈, 신은영, 장창환
Принадлежит: 주식회사 엘지화학

... 본 발명은 에틸렌-1-헥센-1-부텐 3원 공중합체 및 이를 포함하는 필름에 관한 것이다. 본 발명에 따른 에틸렌-1-헥센-1-부텐 3원 공중합체는 최적화된 범위의 밀도, 용융 지수를 가지며, 공단량체로 1-헥센 및 1-부텐을 포함하며, 상기 공단량체간의 함량 비율을 일정 범위로 조절함으로써, 물성이 우수한 고분자를 제공할 수 있다. 따라서, 이를 이용하여 제조되는 필름은, 특히 스트레치 필름(stretch film)에 적합하도록 우수한 점착성, 가공성 및 낙추 충격 강도(dart impact strength) 특성을 지녀 유용하게 사용가능하다.

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Номер записи: 87
29-07-2016 дата публикации

혼성 담지 메탈로센 촉매

Номер: KR0101644113B1
Автор: 홍대식, 권헌용, 송은경, 이용호, 조경진, 이기수, 최이영
Принадлежит: 주식회사 엘지화학

... 본 발명은 혼성 담지 메탈로센 촉매에 관한 것이다. 보다 구체적으로는 서로 다른 2종 이상의 메탈로센 화합물을 이용한 혼성 담지 메탈로센 촉매로서, 이 중 1종의 메탈로센 화합물은 담지 시에도 높은 중합 활성을 나타내어, 활성이 우수하고, 초고분자량의 올레핀계 중합체의 중합에 이용될 수 있다. 본 발명의 혼성 담지 메탈로센 촉매에 따르면, 고분자량 및 원하는 물성을 가지는 올레핀계 중합체를 제조할 수 있다.

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Номер записи: 88
11-04-2016 дата публикации

METHOD AND APPARATUS FOR TRANSCEIVING A CONTACT VERIFICATION SIGNAL REGARDING AVAILABLE CHANNELS IN A PLURALITY OF LOCATIONS IN A WIRELESS COMMUNICATION SYSTEM

Номер: KR0101611311B1
Автор: 김은선, 홍대식, 허지행, 노고산, 석용호, 이지현
Принадлежит: 엘지전자 주식회사, 연세대학교 산학협력단

... 무선 통신 시스템에서 복수개의 위치에서의 가용 채널에 대해서 컨택트 검증 신호를 송수신하는 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 무선 통신 시스템에서 제 1 타입 스테이션(STA)이 K(K≥2) 개의 위치에 대한 가용 채널 정보를 제 2 타입 STA로부터 수신하는 방법은, 상기 위치의 개수(K)에 대한 필드, 및 K 개의 위치 각각에 대한 하나의 가용 채널 리스트에 대한 정보로 구성되는 K 개의 가용 채널 리스트 필드를 포함하는 채널 가용성 질의(CAQ) 응답 메시지를 상기 제 2 타입 STA로부터 수신하는 단계; 및 상기 K 개의 위치 중 하나의 위치에 대한 가용 채널 리스트에 포함된 가용 채널을 이용하여 화이트 스페이스 대역에서의 통신을 수행하는 단계를 포함할 수 있다. 여기서, 상기 K 개의 가용 채널 리스트 필드는, 하나의 Map ID 필드 및 N(N≥1) 개의 가용 채널에 대한 필드가 K 번 반복되어 구성될 수 있다.

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Номер записи: 89
26-01-2016 дата публикации

BASE STATION APPARATUS AND OPERATION METHOD THEREOF

Номер: KR1020160009443A
Автор: NA, MIN SOO, YU, TAK KI, KIM, YOUNG LAK, MOON, SUNG HO, KIM, TAE GUEN, HONG, DAE SIK, WANG, HAN HO, PARK, YO SEOP
Принадлежит:

Disclosed are a base station apparatus and an operation method thereof. The base station apparatus and the operation method thereof can improve the performance of a coordinated multi point (CoMP) by reflecting environmental specificity that mutually different sized cells coexist in a heterogeneous network environment where multiple base stations, which form the mutually different sized cells, coexist in the same region. COPYRIGHT KIPO 2016 (110) Base station selection portion (120) Cooperated communications control portion (130) Resource allocation information sharing portion ...

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Номер записи: 90
14-06-2016 дата публикации

SUPPORTED HYBRID CATALYST AND PREPARATION METHOD OF OLEFIN POLYMER USING SAME

Номер: KR1020160067509A
Автор: LEE, SEUNG MI, PARK, SUNG HO, LEE, KI SOO, KWON, HEON YONG, CHO, MIN SEOK, HONG, DAE SIK, KWON, HYUN JEE, JEON, MAN SEONG, CHOI, YI YOUNG, JEONG, DONG HOON
Принадлежит:

According to the present invention, a supported hybrid catalyst and a preparation method of an olefin polymer using the same are provided. The supported hybrid catalyst can exhibit high activity in olefin polymerization reaction, and can simply prepare an olefin polymer having high molecular weight and desired physical properties. According to an embodiment of the present invention, the supported hybrid catalyst comprises: a first transition metal compound represented by chemical formula 1; a second transition metal compound represented by a chemical formula of [Cp1(R11)_u][Cp2(R12)_v]M2X3X4; and a carrier to which the first transition metal compound and the second transition metal compound are supported. COPYRIGHT KIPO 2016 ...

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Номер записи: 91
23-02-2017 дата публикации

폴리올레핀의 제조 방법 및 이로부터 제조된 폴리올레핀

Номер: KR0101709688B1
Автор: 김우리, 권혁주, 최이영, 송은경, 홍대식, 송기헌, 이기수
Принадлежит: 주식회사 엘지화학

... 본 발명은 큰 분자량 및 다봉 분자량 분포를 가짐에 따라, 대형 제품용 등으로 바람직하게 사용 가능한 폴리올레핀을 보다 효과적으로 제조할 수 있는 폴리올레핀의 제조 방법 및 이로부터 제조된 폴리올레핀에 관한 것이다. 상기 폴리올레핀의 제조 방법은 메탈로센 촉매와, 소정의 분자량 조절제의 존재 하에, 올레핀계 단량체를 중합하는 단계를 포함한다.

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Номер записи: 92
02-07-2015 дата публикации

METHOD FOR ESTABLISHING UPLINK IN WIRELESS COMMUNICATION SYSTEM

Номер: KR101533543B1
Автор: HONG, DAE SIK, SEO, SEUNG DAE, HEO, JI HAENG, PARK, YO SUB
Принадлежит: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Disclosed is a technology about a method for establishing an uplink in a wireless communication system including a macro cell and a small cell. The disclosed method for establishing the uplink of a wireless terminal includes the steps of: receiving first location information about a base station from a plurality of base stations; selecting a first base station and a second base station located within a preset distance from the wireless terminal by comparing the first location information with the second location information for the wireless terminal; and establishing a first uplink and the first base station. The first base station is a base station which is closest to the wireless terminal. The second base station is a second closest base station to the wireless terminal. COPYRIGHT KIPO 2015 ...

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Номер записи: 93
31-10-2017 дата публикации

담지 촉매의 제조 방법 및 상기 방법으로 제조된 담지 촉매를 이용하는 올레핀 중합체의 제조 방법

Номер: KR0101792170B1
Автор: 신은영, 권헌용, 권현지, 이기수, 홍대식, 이승민
Принадлежит: 주식회사 엘지화학

... 본 발명은 담지 촉매의 제조 방법 및 상기 방법으로 제조된 담지 촉매를 이용한 올레핀 중합체의 제조 방법에 관한 것이다. 상기 담지 촉매의 제조 방법에서는 메탈로센 촉매 전구체와 특정 알킬알루미늄을 혼합하여 이들의 조성물을 제조하는 단계를 채용함으로써 LCB (long chain branch) 생성량을 증가시켜 고투명도를 유지하면서 가공성이 개선된 올레핀 중합체를 제공할 수 있는 담지 촉매를 제공한다.

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Номер записи: 94
10-10-2016 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Номер: KR1020160116934A
Автор: HONG, DAE SIK, JI, HYOUNG JU, KIM, YOUN SUN, BANG, JONG HYUN, KIM, HYUN SOO
Принадлежит:

The present disclosure relates to a method for transmitting an uplink control signal in a wireless communication system. The method includes a process of transmitting information for commanding a first frequency region which receives an uplink control signal from a base station which determines to perform full-duplex based communication, and a process of performing downlink reception through a residual frequency region except the first frequency region. So, the interference of a control signal can be prevented. COPYRIGHT KIPO 2016 (300) Base station (302) Terminal (308) Change a downlink bandwidth (AA) Transmit PUCCH ...

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Номер записи: 95
05-06-2015 дата публикации

METHOD FOR PRODUCING SUPPORTED METALLOCENE CATALYST

Номер: KR1020150062145A
Автор: LEE, SEUNG MI, CHOI, YI YOUNG, LEE, KI SOO, SONG, EUN KYOUNG, KWON, HEON YONG, CHO, MIN SEOK, HONG, DAE SIK, KWON, HYUN JEE, SUNG, YU TAEK, JEONG, DONG HOON
Принадлежит:

The present invention relates to a method for producing a supported metallocene catalyst which has high apparent density and high activity. More specifically, the present invention provides the method for producing the supported metallocene catalyst wherein a co-catalyst in the amount larger than that of the prior co-catalyst is penetrated in a silica carrier; a quite large amount of the co-catalyst is bound to an outer surface; and at least one metallocene compound is carried in the silica carrier. According to the present invention, the catalyst can be used to produce a polyolfin polymer with increased apparent density and efficiency while maintaining properties of the high activity catalyst. COPYRIGHT KIPO 2015 ...

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Номер записи: 96
28-05-2015 дата публикации

METALLOCENE SUPPORTED CATALYST AND PREPARATION METHOD OF POLYOLEFIN USING SAME

Номер: KR1020150058054A
Автор: SHIN, EUN YOUNG, KWON, HEON YONG, LEE, SUNG MIN, LEE, YONG HO, HONG, DAE SIK, KIM, SE YOUNG, LEE, KI SOO, PARK, SUNG HO
Принадлежит:

The present invention relates to a novel metallocene supported catalyst and a preparation method of polyolefin using the same. The metallocene supported catalyst according to the present invention comprises at least one metallocene compound represented by chemical formula 1; a co-catalyst compound; and a metallocene supported catalyst including a support. The metallocene supported catalyst according to the present invention can be used for manufacturing a polyolefin, and has excellent activity, and excellent reactivity with a comonomer, and can be used for effectively manufacturing a high- or low-molecular weight olefin-based polymer. COPYRIGHT KIPO 2015 ...

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Номер записи: 97
02-08-2012 дата публикации

OLEFIN BLOCK COPOLYMER

Номер: WO2012102572A2
Автор: JEON, Man-Seong, LEE, Ki-Soo, LEE, Yong-Ho, KWON, Heon-Yong, CHO, Min-Seok, KIM, Seon-Kyoung, LIM, Kyoung-Chan, HONG, Dae-Sik
Принадлежит:

The present invention relates to an olefin block copolymer showing excellent elasticity, heat resistance and processability. The olefin block copolymer comprises a plurality of blocks or segments comprising an ethylene-based or propylene-based repeating unit and an α-olefin-based repeating unit of a different molar ratio, wherein the olefin block copolymer comprises polymer chains comprising 20-100 short chain branching (SCB) per 1000 carbon atoms, the point in which a first differentiated value of the number Y of short chain branching per 1000 carbon atoms of each polymer chain with respect to the molecular weight X of each polymer chain is 0, exists between the maximum and minimum of molecular weight X.

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Номер записи: 98
30-10-2014 дата публикации

METHOD FOR PRODUCING CATALYST FOR POLYOLEFIN POLYMERIZATION AND METHOD FOR PREPARING POLYOLEFIN

Номер: WO2014175495A1
Автор: LEE, Yong-Ho, LEE, Ki-Soo, SONG, Eun-Kyoung, KWON, Heon-Yong, CHO, Min-Seok, HONG, Dae-Sik, JEON, Man-Seong, LIM, Kyoung-Chan
Принадлежит:

The present invention relates to a method for producing a catalyst for polyolefin polymerization, whereby the polymerization of low-density polyethylene is possible in one reactor even without the introduction of a separate comonomer, thereby producing a final product at low cost through a simplified process. Specifically, provided is a method for producing a catalyst for polyolefin polymerization, comprising the steps of: supporting an organo-chromium compound of chemical formula 1 on a metal oxide carrier; supporting a cocatalyst containing Group 13 metal on the metal oxide carrier supporting the organo-chromium compound; and supporting a metallocene catalyst on the metal oxide carrier supporting the organo-chromium compound and the cocatalyst. Further, provided is a method for preparing polyolefin, comprising a step of polymerizing olefin monomers in the presence of the catalyst for polyolefin polymerization obtained by the production method.

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Номер записи: 99
27-06-2019 дата публикации

CATALYST COMPOSITION AND METHOD FOR PREPARING OLEFIN POLYMER BY USING SAME

Номер: WO2019124792A1
Автор: LEE, Ye Jin, LEE, Hye Kyung, SONG, Eun Kyoung, HONG, Daesik, KIM, Byung Seok, SHIN, Eunyoung, KWAK, Jinyoung
Принадлежит:

According to the present invention, provided are a catalyst composition and a method for preparing an olefin polymer by using the catalyst composition, wherein the catalyst composition shows high activity in an olefin polymerization reaction and thus can contribute to a reduction of catalyst cost, and shows high copolymerizability and thus can exhibit excellent processability and long-term physical properties, and therefore, the catalyst composition is suitable to provide a polymer for a pipe.

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Номер записи: 100