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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 64. Отображено 64.
05-03-2015 дата публикации

METHOD FOR PREPARING BIODEGRADABLE POLYESTER RESIN

Номер: WO2015030446A1
Принадлежит:

A method for preparing a biodegradable polyester resin is disclosed. The disclosed method for preparing a biodegradable polyester resin comprises the steps of: (a) synthesizing a biodegradable polyester resin having a reheating crystallization initiation temperature (Tch1), a reheating crystallization peak temperature (Tch) and a reheating crystallization completion temperature (Tch2); and (b) crystallizing the resin synthesized at step (a) by cooling the same from the temperature of T1 to the temperature of T2 and maintaining the same at the temperature of T2 for the amount of time tc, and thus it is possible to obtain a biodegradable polyester resin having an improved solidification velocity.

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28-02-2013 дата публикации

BIODEGRADABLE RESIN COMPOSITION, AND DRAINING BOARD CORE MATERIAL AND DRAINING BOARD PRODUCED THEREFROM

Номер: WO2013028008A3
Принадлежит:

The present invention relates to a biodegradable resin composition. More specifically, what is disclosed relates to: a biodegradable resin composition used as the core material of a draining board which is outstandingly well suited to being produced by extrusion, wherein improvements are made to physical properties such as shrinkage and elastic-recovery-rate reduction by mixing appropriate amounts of a biodegradable resin and an additive for improving processability, thereby improving upon the poor suitability for production which stems from the inherent characteristics of biodegradable resin raw materials, without detracting from the biodegradability which is an inherent characteristic of biodegradable resins. The biodegradable resin composition of the present invention is obtained by mixing from 5 to 60 parts by weight of calcium carbonate, from 1 to 10 parts by weight of a thermoplastic resin and from 0.1 to 5 parts by weight of an active agent, with respect to 100 parts by weight of ...

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29-06-2017 дата публикации

METHOD FOR PREPARING BIODEGRADABLE POLYESTER RESIN, AND BIODEGRADABLE POLYESTER RESIN PREPARED BY METHOD

Номер: WO2017111261A1
Принадлежит:

The present invention relates to a method for preparing a biodegradable polyester resin, and a biodegradable polyester resin prepared by the method, the method comprising the steps of: (1) injecting, into a reactor, at least one type of dicarboxylic acid of an aliphatic dicarboxylic acid and an aromatic dicarboxylic acid, at least one type of diol of an aliphatic diol and an aromatic diol, a catalyst and a deactivator so as to esterify the dicarboxylic acid and the diol; (2) polycondensing a product obtained by the esterification reaction; (3) cooling a product obtained by the polycondensation reaction (hereinafter, referred to as "polycondensation reaction product"); and (4) additionally injecting a deactivator into the polycondensation reaction product cooled in step (3). The thermal stability, in a molten state, of a biodegradable polyester resin to be finally obtained can be improved by the method for preparing a biodegradable polyester resin, of the present invention, and thus chain ...

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28-06-2017 дата публикации

METHOD OF PRODUCING RANDOM COPOLYMER FOR MODIFYING SURFACE OF QUANTUM DOTS, AND METHOD OF MODIFYING SURFACE OF QUANTUM DOTS USING SAME

Номер: KR1020170073249A
Принадлежит:

The present invention relates to a method of producing a random copolymer for modifying the surface of quantum dots, and a method of modifying the surface of quantum dots using the same. Specifically, the present invention relates to a method of producing a random copolymer capable of modifying the surface of quantum dots so as to allow the quantum dots to have excellent dispersion stability in water, to be easily bound to a biological target molecule, and maintain its characteristic optical properties; and to a method of modifying the surface of quantum dots using the same. A random polymer according to the present invention can easily modify the surface of quantum dots merely by being mixed with the quantum dots, and when the random polymer is used to modify quantum dots, the random polymer gets exchanged with a ligand on the surface of the quantum dots, without forming another surrounding layer while retaining the pre-existing ligand of the quantum dots, so the surface-modified quantum ...

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20-02-2014 дата публикации

METHOD FOR PREPARING BIODEGRADABLE ALIPHATIC-AROMATIC POLYESTER COPOLYMER RESIN WITH IMPROVED HYDROLYSIS RESISTANCE

Номер: WO2014027736A1
Принадлежит:

The present invention relates to a method for preparing a biodegradable polyester copolymer resin with improved hydrolysis resistance. The method according to the present invention comprises the steps of: first reacting an aliphatic dihydroxy compound and an aliphatic dicarboxylic acid compound; and further adding an aromatic dicarboxylate after the first reaction to secondarily react the same, wherein a short-chain alcohol type branching agent is added to a first or a second esterification reaction. The method allows slow esterification by an acid to proceed first, and then applies an aromatic dicarboxylate compound having no acid groups, thereby effectively controlling unreacted products or partially reacted products, which affect the acidity of a product, during the reaction, and thus it is possible to effectively control the acidity even without an excessive amount of excessive BDO, an excessive amount of chain extender or an expensive anti-hydrolysis agent, thereby improving hydrolysis ...

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03-07-2017 дата публикации

RESIN COMPOSITION FOR MULCHING FILM AND BIODEGRADABLE MULCHING FILM PRODUCED USING SAME

Номер: KR1020170075052A
Принадлежит:

The present invention relates to a resin composition for a mulching film comprising: (i) a biodegradable resin; (ii) starch in which at least one of hydroxyl groups (-OH groups) of a glucose unit is hydrophobized with a silane; and (iii) one or more compatibilizing agents selected from the group consisting of a graft copolymer in which maleic anhydride (MA) is grafted on a biodegradable polymer, an epoxidized oil, and a multifunctional compound having an epoxy group, and a biodegradable mulching film produced from the resin composition for the mulching film. The resin composition for the mulching film according to the present invention can improve processibility and mulching functionality of the film by comprising the starch which is hydrophobized with the silane, and can improve dispersibility of the starch and tensile strength and tensile elongation of the film by comprising the compatibilizing agent, thereby improving bonding strength between the biodegradable resin and the starch. COPYRIGHT ...

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19-06-2014 дата публикации

METHOD FOR CONTINUOUS PRODUCTION OF BIODEGRADABLE ALIPHATIC/AROMATIC POLYESTER COPOLYMER

Номер: WO2014092277A1
Принадлежит:

Provided is a method for a continuous production of biodegradable aliphatic/aromatic polyester, the method comprising the steps of: reacting an aliphatic dihydroxy compound and aliphatic dicarboxylic acid at 185℃ or lower in a primary ester reaction; continuously reacting the product obtained from the previous step in a secondary ester reaction; reacting the product obtain from the previous step in a continuous primary polycondensation reaction and obtaining a preliminary polymer having a weight-average molecular weight of 6,900-14,000; reacting the preliminary polymer in a continuous secondary polycondensation reaction and obtaining a product therefrom; and reacting the product obtained from the previous step in a continuous tertiary polycondensation reaction, and the biodegradable aliphatic/aromatic polyester polymer is produced by adding an aromatic dicarboxylic acid in the step for the first ester reaction or in the step for the continuous second ester reaction. The method for a continuous ...

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13-02-2019 дата публикации

래빗-타입 회로망을 이용한 소형 크기의 전송선로

Номер: KR1020190015003A
Автор: 이태현, 윤기철, 손광철
Принадлежит:

... 본 발명은 래빗-타입 회로망을 이용한 소형 크기의 전송선로에 관한 것으로, 무선통신/위성통신/이동통신/정보통신/방송통신/전자통신/전기 통신 분야에 적용할 부품/소자/회로/시스템과 RF에 관련된 부품/소자/회로/시스템 및 주파수 혼합기, 전력 증폭기, 듀플렉서(또는 다이플렉서)와 같은 회로에 적용했을 때 크기, 즉 전송 선로의 RF 대역의 물리적 길이 λg/4(λg는 전송선로 내의 파장) 보다 λg/6로 소형 크기로 줄이는 효과가 있다.

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30-05-2014 дата публикации

METHOD FOR PREPARING BIODEGRADABLE POLYESTER COPOLYMER AND POLYESTER COPOLYMER PREPARED THEREBY

Номер: WO2014081102A1
Принадлежит:

Disclosed are a method for preparing a polymer and a polymer prepared thereby. A biodegradable polyester copolymer which is disclosed comprises: a prepolymerization step of producing a prepolymer by polymerizing a dicarboxylic acid compound (A), a diol compound (B), and a carbodiimide agent (C) at 160-220°C; and a step of polycondensing the prepolymer at 200-250°C in a vacuum state of 0.1-2 torr.

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08-05-2018 дата публикации

METHOD OF PRODUCING BIODEGRADABLE POLYESTER RESIN

Номер: KR1020180046117A
Принадлежит:

The present invention relates to a method of producing a biodegradable polyester resin, comprising the steps of: (1) mixing an aliphatic dihydroxyl compound, an aliphatic dicarboxylic acid compound and an aromatic dicarboxylic acid compound to prepare slurry; (2) performing an esterification process on the slurry under an absolute pressure ranging from 1.5 bar to 4 bar to obtain an esterified reaction product; and (3) performing a condensation polymerization reaction process on the esterified reaction product. According to the present invention, the method of producing a biodegradable polyester resin minimizes the loss rate of the aliphatic dihydroxyl compound lost into an effluent and is able to inhibit the generation of by-products such as tetrahydrofuran (THF) by comprising the step of performing the esterification process under pressure. COPYRIGHT KIPO 2018 ...

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19-06-2014 дата публикации

METHOD FOR CONTINUOUS PRODUCTION OF BIODEGRADABLE ALIPHATIC/AROMATIC POLYESTER COPOLYMER

Номер: WO2014092275A1
Принадлежит:

Provided is a method for a continuous production of biodegradable aliphatic/aromatic polyester copolymer, the method comprising the steps of: reacting an aliphatic dihydroxy compound and an aliphatic dicarboxylic acid at 185℃ or lower in a primary ester reaction; continuously reacting the product obtained from the previous step in a secondary ester reaction; reacting the product obtain from the previous step in a continuous primary polycondensation reaction and obtaining a preliminary polymer; reacting the preliminary polymer in a continuous secondary polycondensation reaction and obtaining a product having a melting index (MI) of 15-25 g/10min; and reacting the product obtained from the previous step in a continuous tertiary polycondensation reaction, and the biodegradable aliphatic/aromatic polyester polymer is produced by adding an aromatic dicarboxylic acid in the step for the first ester reaction or in the step for the continuous second ester reaction.

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13-05-2016 дата публикации

PREPARATION METHOD OF BIODEGRADABLE POLYESTER RESIN AND BIODEGRADABLE RESIN PREPARED THEREFROM

Номер: KR1020160052906A
Принадлежит:

The present invention relates to a method for using a combination of two types of thermal stabilizers in a preparation process to improve thermal stability of a biodegradable polyester resin; and to a biodegradable resin manufactured therefrom. In such method, two types of thermal stabilizers act in a complementary way and improve thermal stability. As such, a reaction can be conducted at a high temperature while increasing reactivity, thereby reducing reaction time and increasing molecular weight of a resultant product. Moreover, the obtained resin has a reduced acid value and has improved hydrolysis resistance and enhanced color. As such, the obtained resin can prevent yellowing of a final product, and a high quality product can be provided. The thermal stabilizers include: at least one selected from a first group comprising phosphate-based compounds; and at least one selected from a second group consisting of phosphite-based compounds and acrylate-based compounds. COPYRIGHT KIPO 2016 ...

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05-07-2017 дата публикации

METHOD FOR MANUFACTURING HIGH STRETCH BIODEGRADABLE RESIN MONOFILAMENT, AND HIGH STRETCH MONOFILAMENT MANUFACTURED BY METHOD

Номер: KR1020170076941A
Принадлежит:

The present invention relates to a method for manufacturing high stretch biodegradable resin monofilament, and high stretch monofilament manufactured by the method. The method for manufacturing high stretch biodegradable resin monofilament comprises: a step of obtaining the monofilament by emitting biodegradable resin; a first stretch step of stretching the monofilament; and a second stretch step of redrawing the monofilament of the first stretch step. A proportion (D_1/D_2) of a stretch ratio (D_1) in the first stretch step for a stretch ratio (D_2) in the second stretch ratio is 2.1-5.0. A total stretch ratio (D_t) of the monofilament of the first and second stretch steps is 7-10 times. The method for manufacturing the high stretch biodegradable resin monofilament is provided to properly control a relative proportion of the stretch ratio (D_1) of the first stretch step and the stretch ratio (D_2) of the second stretch step; and increase the total stretch ratio (D_t) more than 7 times, ...

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13-03-2014 дата публикации

METHOD FOR CONTINUOUSLY PREPARING BIODEGRADABLE ALIPHATIC/AROMATIC POLYESTER COPOLYMER

Номер: WO2014038774A1
Принадлежит:

Provided is a method for continuously preparing a biodegradable aliphatic/aromatic polyester copolymer, comprising the steps of: performing a first esterification of an aliphatic dihydroxy compound and aliphatic dicarboxylic acid at or under 185℃; continuously performing a second esterification of a reaction product obtained from the previous step; obtaining a prepolymer by continuously performing a first polycondensation reaction of a reaction product obtained from the previous step; and continuously performing polycondensation of the prepolymer, wherein the aromatic carboxylic acid is added in the step of performing the first esterification or the second esterification to prepare the biodegradable aliphatic/aromatic polyester copolymer. According to the method for continuously preparing the biodegradable aliphatic/aromatic polyester copolymer, the amount of usage of the aliphatic dihydroxy compound, which is a starting material, is reduced thereby reducing the manufacturing cost.

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18-05-2016 дата публикации

Punching mold for scrap backflow prevention

Номер: KR0101622210B1
Автор: 윤기철
Принадлежит: 주식회사 도림

... 본 발명은 합성수지 중 특히 PET(Polyethylene terephthalate) 필름에 펀칭시 스크랩이 홀에 정지하지 않고, 상승하는 펀치와 함께 역류하여 다음 진행하는 펀칭작업에 간섭되지 않도록 펀치의 하단 끝날에 스크랩의 면적을 홀의 지름보다 늘리는 스크랩연신부를 형성시켜 펀칭 후, 스크랩이 홀에 걸려 역방향으로 상승하는 것을 방지하여 성형 불량률을 낮추도록 하는 스크랩 역류방지 펀칭금형에 관한 것으로서, 종래의 펀치의 하단 날끝이 "└┘"모양과 같이 평면형상으로 이루어져 펀칭시 PET 필름에 구멍을 뚫어 발생하는 스크랩과 더불어 작업다이에 형성된 홀로 진입하게 되고, 이후 상승하는 펀치와 홀에 정지되었던 스크랩 사이가 진공 상태와 더불어 작업시 발생하는 정전기에 의해서 상승하는 펀치를 따라 스크랩이 역방향으로 상승하여 작업다이 상면에 스크랩이 쌓이게 되어 다음 펀칭작업시 간섭하는 장애물이 되는 문제점이 있었던 바, 본 발명은 펀치의 하단에 스크랩을 늘려 "∨"형상을 이루도록 하는 스크랩연신부를 구성시켜 PET 필름에 다수의 구멍을 형성하는 작업도중 발생한 스크랩이 펀치의 상승과 함께 역방향으로 역류하지 않고 홀 내부에서 정지한 상태를 유지시켜, 다음 펀칭작업시 스크랩에 의한 간섭이 없도록 하여 PET 필름의 성형 불량률을 현저하게 낮출 수 있는 스크랩 역류방지 펀칭금형을 제공하는 것이다.

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03-03-2016 дата публикации

PUNCHING MOLD FOR PREVENTING BACK FLOW OF SCRAP

Номер: KR1020160023402A
Автор: YOON, GI CHUL
Принадлежит:

The present invention relates to a punching mold for preventing the back flow of a scrap, capable of preventing a punched scrap from being caught by a hole and rising in a reverse direction by forming a scrap elongation portion at a lower end blade of a punch in order to increase an area of the scrap to be greater than a diameter of the hole such that the scrap can be prevented from flowing back together with the rising punch, rather than being stopped in the hole, thus not interfering with a subsequent punching operation, when a synthetic resin, in particular, a polyethylene terephthalate (PET) film is punched, thereby lowering a defective mold rate. An end of a blade of a related art punch has a flat shape like a staple shape, and thus, the punch enters a hole formed in a working die together with a scrap generated when punching the PET film. Thereafter, a space between the rising punch and the scrap stopped in the hole becomes vacuum and the scrap is raised in a reverse direction along ...

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06-05-2016 дата публикации

BIODEGRADABLE RESIN COMPOSITION AND FISHING NET PRODUCED FROM SAME

Номер: WO2016068432A1
Принадлежит:

The present invention relates to a biodegradable resin having outstanding colouring properties, and provides is a resin composition which does not give rise to problems such as reduced strength due to colouration. The composition of the present invention, suggests that a PBSAT resin is used as a biodegradable resin, and colouration is performed with same. Also, at this time, the colourant can be mixed in the form of a master batch. In the present invention, the resin composition is used in the production of various products, in particular mono yarns produced via spinning and a fishing net manufactured from same is provided. Fishing nets such as the above are advantageous in that such fishing nets can be realised in various colours in accordance with customer requirements and satisfy the required strength and, after use, degrade naturally in seawater and so do not give rise to problems like environmental pollution.

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16-05-2017 дата публикации

CELL STIMULATION APPARATUS USING RECTENNA, AND CELL REGENERATION SYSTEM INCLUDING SAME

Номер: KR1020170053251A
Принадлежит:

The present invention relates to a cell stimulation apparatus using rectenna, and a cell regeneration system including the same. The cell stimulation apparatus using rectenna comprises the following: a body unit; an electrode unit attached to one side of the body unit, and formed of a positive electrode and a negative electrode for outputting DC voltage or current to stimulate stem cells electrically; and a wire part for transferring the DC voltage or current to each of the positive electrode and the negative electrode. The DC voltage or current is produced by collecting and using electronic waves in the atmosphere. COPYRIGHT KIPO 2017 (300) Rectenna (AA) DC voltage and current (BB) Stimulate and regenerate stem cells ...

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28-02-2013 дата публикации

BIODEGRADABLE RESIN COMPOSITION, AND DRAINING BOARD CORE MATERIAL AND DRAINING BOARD PRODUCED THEREFROM

Номер: WO2013028008A2
Принадлежит:

The present invention relates to a biodegradable resin composition. More specifically, what is disclosed relates to: a biodegradable resin composition used as the core material of a draining board which is outstandingly well suited to being produced by extrusion, wherein improvements are made to physical properties such as shrinkage and elastic-recovery-rate reduction by mixing appropriate amounts of a biodegradable resin and an additive for improving processability, thereby improving upon the poor suitability for production which stems from the inherent characteristics of biodegradable resin raw materials, without detracting from the biodegradability which is an inherent characteristic of biodegradable resins. The biodegradable resin composition of the present invention is obtained by mixing from 5 to 60 parts by weight of calcium carbonate, from 1 to 10 parts by weight of a thermoplastic resin and from 0.1 to 5 parts by weight of an active agent, with respect to 100 parts by weight of ...

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02-11-2016 дата публикации

ENERGY-SAVING FARMING SYSTEM

Номер: KR1020160126221A
Принадлежит:

Provided is a novel energy-saving farming system. By using a waste culture medium discarded from mushroom growers where mushrooms are cultured using culture media, electric power and steam are produced in a heat fusion type, and an air conditioning heat source and electric power are supplied to the mushroom growers, thereby requiring no need of a discarding operation for the waste culture media, and easily acquiring electric power and the air conditioning heat source used for the mushroom growers. COPYRIGHT KIPO 2016 ...

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03-05-2018 дата публикации

BIODEGRADABLE RESIN COMPOSITION AND BIODEGRADABLE ARTICLES PREPARED THEREFROM

Номер: KR1020180044715A
Принадлежит:

The present invention relates to a biodegradable resin composition, which comprises: (i) polylactic acid (PLA); (ii) at least one biodegradable polyester resin selected from a group consisting of an aliphatic polyester resin other than the PLA and an aliphatic/aromatic polyester resin; and (iii) a basic resin composition composed of a filler, and an impact modifier, and to biodegradable articles prepared therefrom. The biodegradable resin composition comprising the polylactic acid according to the present invention can prepare the biodegradable articles having excellent tensile strength and tensile elongation and having improved tearing strength. COPYRIGHT KIPO 2018 ...

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04-05-2015 дата публикации

BIODEGRADABLE POLYESTER RESIN AND ARTICLE CONTAINING SAME

Номер: KR1020150047339A
Принадлежит:

In the present invention, disclosed are a biodegradable polyester resin and an article containing the same wherein the disclosed biodegradable polyester comprises: a diol residual branch (DO) having an alicyclic diol residual branch (A) and an aliphatic diol residual branch (B); and a dicarboxylic acid residual branch (DC) having at least one among an aromatic dicarboxylic residual branch (C), an aliphatic dicarboxylic acid residual branch (D), and an alicyclic dicarboxylic acid (E), thereby having outstanding transparency and flexibility. COPYRIGHT KIPO 2015 (AA) Light transmittance (%) (BB) Wavelength (nm) (CC) Example 1 (DD) Example 2 (EE) Example 3 (FF) Example 4 (GG) Example 5 (HH) Example 6 (II) Example 7 ...

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24-03-2016 дата публикации

BAND-PASS FILTER WITH RESONATOR USING MNZ METAMATERIAL

Номер: KR0101606179B1
Автор: 윤기철, 박정근, 이종철
Принадлежит: 광운대학교 산학협력단

... 본 발명에 의한 MNZ 메타 물질을 이용한 공진기를 갖는 대역통과 필터가 개시된다. 본 발명에 따른 MNZ 메타 물질을 이용한 공진기를 갖는 대역통과 필터는 기판 상에 사각형 형상을 갖는 헤어핀 공진기의 구조와 그 헤어핀 공진기의 양단에 인터디지털 커패시터의 구조를 결합하여 형성되는 제1 공진 패턴부와 상기 제1 공진 패턴부를 구성하는 상기 헤어핀 공진기와 상기 인터디지털 커패시터 사이에 형성되는 공간 내에 배치되는 미엔더 라인 구조의 제2 공진 패턴부로 이루어진 다수의 공진기; 상기 공진기 각각으로 신호 및 전력을 전달하는 다수의 연결 라인; 및 상기 다수의 연결 라인에 연결되어 상기 신호 및 전력을 전송하는 전송 라인을 포함한다.

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17-01-2017 дата публикации

메타물질 회로를 이용한 광대역 소형 마천드 발룬

Номер: KR0101697277B1

... 메타물질 회로 패턴을 이용한 광대역 소형 마천드 발룬을 공개한다. 본 발명은 언밸런스 신호를 인가받고 임피던스 보상하여 전송하는 임피던스 보상 캐패시터, 메타물질 회로 패턴으로 구현되고, 임피던스 보상 캐패시터로부터 언밸런스 신호를 인가받아 언밸런스 신호에 대응하는 제1 밸런스 신호를 출력하는 제1 전송 선로 쌍, 메타물질 회로 패턴으로 구현되고, 제1 전송 선로 쌍을 통해 인가되는 언밸런스 신호를 인가받아 제1 밸런스 신호와 반전된 위상을 갖는 제2 밸런스 신호를 출력하는 제2 전송 선로 쌍 및 제1 전송 선로 쌍과 제2 전송 선로 쌍 각각의 출력단 사이에 연결되어, 제1 및 제2 밸런스 신호 사이의 위상차를 보상하는 위상 보상 캐패시터를 포함한다.

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26-12-2016 дата публикации

메타물질을 이용한 초소형 마천드 발룬

Номер: KR0101689816B1
Автор: 윤기철, 이종철
Принадлежит: 광운대학교 산학협력단

... 메타물질을 이용한 초소형 마천드 발룬을 공개한다. 본 발명은 메타 물질인 CRLH 전송선로를 이용하여, 발룬을 설계하여, 1차로 마천드 발룬의 크기를 줄일 수 있도록 하고, 이후 설계된 CRLH 전송선로의 길이를 줄이고, CRLH 전송선로의 길이가 줄어들면서 발생하는 임피던스 변화와 위상 변화를 인덕터와 캐패시터를 추가함으로써 보상하므로, 마천드 발룬의 2차로 줄일 수 있도록 한다. 따라서 마천드 발룬의 전체 크기를 크게 줄인다.

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04-05-2016 дата публикации

RESONATOR USING MNZ METAMATERIAL

Номер: KR0101618262B1
Автор: 윤기철, 박정근, 이종철
Принадлежит: 광운대학교 산학협력단

... 본 발명에 의한 MNZ 메타 물질을 이용한 공진기가 개시된다. 본 발명에 따른 MNZ 메타 물질을 이용한 공진기는 기판; 상기 기판 상에 사각형 형상을 갖는 헤어핀 공진기의 구조와 그 헤어핀 공진기의 양단에 인터디지털 커패시터의 구조를 결합하여 형성되는 제1 공진 패턴부; 및 상기 제1 공진 패턴부를 구성하는 상기 헤어핀 공진기와 상기 인터디지털 커패시터 사이에 형성되는 공간 내에 배치되는 미엔더 라인 구조의 제2 공진 패턴부를 포함한다.

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27-02-2014 дата публикации

METHOD FOR PREPARING BIODEGRADABLE POLYESTER COPOLYMER RESIN

Номер: WO2014030827A1
Принадлежит:

The present invention relates to a method for preparing biodegradable polyester copolymer resin. The method according to the present invention comprises the steps of forming an oligomer through an esterification reaction of an aliphatic dihydroxy compound, an aliphatic dicarboxylic acid compound, and an aromatic dicarboxylic acid compound, wherein the esterification reaction includes a first esterification reaction and a second esterification reaction carried out at a higher temperature than that of the first reaction, and the aliphatic dihydroxy compound is additionally introduced during the second esterification reaction. According to the method of the present invention, unreacted aromatic dicarboxylic acid is effectively controlled, and thus a complete oligomer can be formed by supplementing the insufficient aliphatic dihydroxy compound in the temperature raising step. Thus, the polymer can have sufficient physical properties.

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09-01-2018 дата публикации

CLINICAL DECISION SUPPORT SYSTEM AND METHOD

Номер: KR1020180003342A
Принадлежит:

A clinical decision support system and method are provided. The clinical decision support system according to an embodiment of the present invention includes an input part for receiving prescription information for a patient from a doctor; an information obtaining part which transmits the patient information and the prescription information previously inputted according to the input of the prescription information to a medicine information database, receives the clinical decision result of the prescription information from the medicine information database, and changes the clinical decision result into a guide message corresponding to the clinical decision result; and a display part for displaying the guide message in real time in response to the input of the prescription information. It is possible to promptly provide the clinical decision result to a doctor. COPYRIGHT KIPO 2018 (102) Input part (104) Information obtaining part (106) Display part (108) Rule engine (110) Rule storage (150 ...

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09-03-2016 дата публикации

BAND-PASS FILTER WITH RESONATOR USING MU-NEAR-ZERO (MNZ) METAMATERIAL

Номер: KR1020160026332A
Принадлежит:

According to the present invention, disclosed is a band-pass filter with a resonator using MNZ metamaterial comprising: a plurality of resonators made of a first pattern unit, formed by mixing a hairpin resonator structure which has a quadrangle shape on a substrate and an inter-digital capacitor structure on both ends of the hairpin resonator, and a second resonating pattern unit, having a meander line structure placed in a space formed between the hairpin resonator configured to constitute the first resonating pattern unit and the inter-digital capacitor; a plurality of connection lines transmitting a signal and power to the resonators; and a transmission line coupled to the connection lines to transmit the signal and the power. According to the present invention, a sharpened bandwidth blocking effect can be provided by a strong coupling effect. COPYRIGHT KIPO 2016 ...

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16-04-2015 дата публикации

BIODEGRADABLE RESIN COMPOUND AND BIODEGRADABLE PACKING MATERIAL

Номер: WO2015053464A1
Принадлежит:

Disclosed are a biodegradable resin compound and a biodegradable packing material. The disclosed biodegradable resin compound contains 30-50 parts by weight of polyacetic acid (PLA), 0-20 parts by weight of polybutylene succinate (PBS), 20-40 parts by weight of polybutylene adipate-co-terephthalate (PBAT), and 30-50 parts by weight of an inorganic additive having an average particle size of 4.5 ㎛ or smaller.

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29-03-2018 дата публикации

BIODEGRADABLE RESIN COMPOSITION AND BIODEGRADABLE ARTICLE MANUFACTURED THEREFROM

Номер: WO2018056539A1
Принадлежит:

The present invention relates to a biodegradable resin composition and a biodegradable article manufactured therefrom, the biodegradable resin composition comprising: a base resin composition; a plasticizer; and a compatibilizer, the base resin composition comprising (a) 20-30 wt% of poly lactic acid (PLA), (b) 60-70 wt% of at least one biodegradable polyester resin selected from the group consisting of aliphatic polyester resins, excluding the PLA, and aliphatic/aromatic polyester resins, (c) 3-10 wt% of calcium carbonate (CaCO3), and (d) 3-10 wt% of titanium dioxide (TiO2), wherein (e) the sum of the contents of calcium carbonate and titanium dioxide is 10-20 wt%. The biodegradable resin composition comprising polylactic acid according to the present invention can produce a biodegradable article which has improved whiteness and hiding power and reduced gloss while having excellent tensile strength, tensile elongation, and tearing strength.

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13-05-2016 дата публикации

BIODEGRADABLE RESIN COMPOSITION AND FISHING NET MANUFACTURED THEREFROM

Номер: KR1020160052907A
Принадлежит:

The present invention relates to a biodegradable resin having outstanding coloring properties, and provides is a resin composition which does not give rise to problems such as reduced strength due to coloring. The composition of the present invention suggests: a PBSAT resin used as a biodegradable resin; and a coloring agent, wherein the coloring agent can be mixed in a shape of master batch. The resin composition is used in the production of various products and, in particular, the production of monofilament by spinning, and the fishing net produced therefrom is provided. The fishing net can be implemented by various colors depending on customer requirements and satisfies required strength, and does not give rise to environmental pollution problems by being naturally degraded in seawater after using the fishing net. COPYRIGHT KIPO 2016 ...

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31-03-2023 дата публикации

머신러닝 기반의 의료 영상에 대한 반사광 제거 방법 및 이를 이용한 장치

Номер: KR102517232B1
Автор: 김광기, 윤기철, 설재황
Принадлежит: 가천대학교 산학협력단

... 본 발명은, 프로세서에 의해 구현되는 반사광 제거 방법으로서, 개체의 표적 부위를 포함하는 의료 동영상을 수신하는 단계, 의료 동영상을 입력으로 하여 반사광 영역, 반사광 영역을 제외한 의료 동영상 및 정지 의료 영상 중 적어도 하나의 영상 상태를 분류하도록 구성된 영상 분류 모델을 이용하여, 수신된 의료 동영상을 기초로 적어도 하나의 영상 상태를 분류하는 단계, 분류된 영상 상태에 기초하여 반사광이 제거된 합성 영상을 생성하는 단계를 포함하는, 반사광 제거 방법 및 이를 이용한 반사광 제거용 장치를 제공한다.

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28-12-2016 дата публикации

PUNCH MOLD CAPABLE OF ADJUSTING HEIGHT OF PUNCH

Номер: KR1020160149464A
Автор: YOON, GI CHUL
Принадлежит:

The present invention relates to a punch mold capable of adjusting a height of a punch, comprising: a plurality of punches installed in an upper side of a core (C), and vertically lifted/lowered to radially form a plurality of slots; a punch fixing plate (20) installed in an upper side of the punch (10), and receiving the vertically penetrated punch (10) to fix the punch (10); a punch holder (40) installed on an upper surface of the punch fixing plate (20) and supporting the punch fixing plate (20); a die (80) installed in a lower part of the punch (10), supporting a bottom part of the core (C) on an upper surface, and having multiple punch holes (82) formed in a concentric circle; and a punch height adjustment plate (50) installed inside the punch holder (40), and rotated at a predetermined angle to receive a part of the plurality of punches (10) arranged on the concentric circuit, so as to differently form a height of the punches (10). According to the present invention, since punching ...

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05-07-2017 дата публикации

METHOD FOR PRODUCING STARCH-CONTAINING BIODEGRADABLE POLYESTER RESIN COMPOUND

Номер: KR1020170076929A
Принадлежит:

The present invention relates to a method for producing a starch-containing biodegradable polyester resin compound. According to the present invention, the method for producing a starch-containing biodegradable polyester resin compound comprises the following steps: supplying raw materials containing a biodegradable polyester resin, starch, and a plasticizer to a kneader; producing a kneaded mulling product by kneading the raw materials at a temperature of 10-30 deg. C lower than a melting point of the biodegradable polyester resin; and producing an extruded product by supplying the kneaded mulling product to an extruder. COPYRIGHT KIPO 2017 (S1) Step of supplying raw materials containing a biodegradable polyester resin, starch, and a plasticizer to a kneader (S2) Step of producing a kneaded mulling product by kneading the raw materials at a temperature which is 10 to 30 degrees lower than a melting point of the biodegradable polyester resin (S3) Step of producing an extruded product by ...

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09-03-2016 дата публикации

RESONATOR USING MU-NEAR-ZERO (MNZ) METAMATERIAL

Номер: KR1020160026331A
Принадлежит:

According to the present invention, disclosed is a resonator using MNZ metamaterial comprising: a substrate; a first resonating pattern unit formed by mixing a hairpin resonator structure, which has a quadrangle shape on the substrate, and a inter-digital capacitor structure on both ends of the hairpin resonator; and a second resonating pattern unit having a meander line structure placed on a space formed between the hairpin resonator, configured to constitute the first resonating pattern unit, and the inter-digital capacitor. According to the present invention, a sharpened bandwidth blocking effect can be provided by a strong coupling effect. COPYRIGHT KIPO 2016 ...

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28-12-2016 дата публикации

ROTOR SLOT AND STATOR SLOT PUNCHING DEVICE

Номер: KR1020160149462A
Автор: YOON, GI CHUL
Принадлежит:

The present invention relates to a rotor slot and stator slot punching device which comprises: a core rotation means (10); a rotor slot punch (16); a stator slot punch (18); a punch fixing plate (20); a punch holder (54); and a punch protrusion means (40). According to the present invention, since the rotor slot and stator slot punching device can form a rotor slot and a stator slot at the same time in a core by automatically rotating the core at a regular angle with a circular shape, the rotor slot and stator slot punching device is far more efficient than the existing apparatus for performing the rotor slot and the stator slot in each of different apparatuses, and can significantly reduce an operation time. COPYRIGHT KIPO 2017 ...

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09-08-2012 дата публикации

BIODEGRADABLE RESIN AND METHOD FOR MANUFACTURING SAME

Номер: WO2012105730A1
Принадлежит:

The present invention provides a biodegradable resin comprising a urethane bond generated by reacting a polyester polymer and a polyvalent isocyanate compound, which is used as a chain extender, the biodegradable resin which is characterized by a method for manufacturing the biodegradable resin having excellent physical properties while limiting the amount of chain extender used, and adjusted content of nitrogen included in the resin thereby. The present invention reduces the amount of ingredients harmful to the human body and the environment being used in the manufacturing process of a biodegradable resin, and thereby provides a biodegradable resin that can be safely used as packaging materials for food or medicine.

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09-01-2018 дата публикации

렉테나를 이용하여 세포를 자극하기 위한 장치 및 이를 포함하는 세포 재생 시스템

Номер: KR0101816543B1
Принадлежит: 광운대학교 산학협력단

... 본 발명에 의한 렉테나를 이용하여 세포를 자극하기 위한 장치 및 이를 포함하는 세포 재생 시스템이 개시된다. 본 발명에 따른 렉테나를 이용하여 세포를 자극하기 위한 장치는 몸체부; 상기 몸체부의 일측에 부착되어, 줄기 세포를 전기적으로 자극시키기 위한 DC 전압 또는 전류를 출력하는 양 전극과 음 전극으로 이루어지는 전극부; 및 상기 양 전극과 상기 음 전극 각각에 상기 DC 전압 또는 전류를 전달하는 전선부를 포함하되, 상기 DC 전압 또는 전류는 공기 중에 존재하는 전파를 수집하여 그 수집된 전파를 이용하여 생성되는 것을 특징으로 한다.

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06-02-2014 дата публикации

METHOD FOR MANUFACTURING BIODEGRADABLE COPOLYMER BY SPLIT-INJECTING AROMATIC DICARBOXYLIC ACID COMPOUND

Номер: WO2014021543A1
Принадлежит:

The present invention relates to a method for manufacturing a biodegradable polyester copolymer, and the method according to the invention comprises the steps of: first esterification-reacting a hydroxy group of an aliphatic dihydroxy compound with a carboxyl group of the aliphatic dihydroxy compound to form an oligomer; secondarily reacting the oligomer that is formed with an aromatic dicarboxylic acid compound; and polycondensation-reacting same in a vacuum state, wherein the dicarboxylic acid compound is sequentially split-injected, and the weight ratio of the oligomer to every injection of the aromatic dicarboxylic acid compound is 5:5 to 8:2. The method according to the present invention efficiently increases solubility of the aromatic dicarboxylic acid thereby increasing reaction speed, and can also reduce side reactions.

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11-10-2017 дата публикации

로터슬롯 및 스테이터슬롯 타발장치

Номер: KR0101784478B1
Автор: 윤기철
Принадлежит: 윤기철

... 본 발명은 원판 형상의 코어(C)가 장착되며, 상기 코어(C)를 일정한 각도로 순차적으로 회전시키는 코어회전수단(10)과; 상기 코어회전수단(10)의 상측에 설치되며, 코어(C)에 다수개의 로터슬롯(R)을 형성하는 로터슬롯펀치(16)와; 상기 코어회전수단(10)의 상측에 설치되며, 코어(C)에 다수개의 스테이터슬롯(S)을 형성하는 스테이터슬롯펀치(18)와; 상기 로터슬롯펀치(16)와 상기 스테이터슬롯펀치(18)의 상측에 설치되며, 상기 로터슬롯펀치(16)와 상기 스테이터슬롯펀치(18)를 지지하는 펀치고정플레이트(20)와; 상기 펀치고정플레이트(20)의 상측에 설치되며, 상기 펀치고정플레이트(20)를 지지하는 펀치홀더(54)와; 상기 펀치홀더(54)와 상기 펀치고정플레이트(20) 사이에 설치되며, 좌우로 이동되어 상기 로터슬롯펀치(16)와 상기 스테이터슬롯펀치(18)를 선택적으로 돌출시키는 펀치돌출수단(40);을 포함하는 로터슬롯 및 스테이터슬롯 타발장치에 관한 것이다. 이와 같은 본 발명에 의하면, 자동으로 원판 형상으로 코어를 일정한 각도로 회전시키며, 로터슬롯과 스테이터슬롯을 동시에 코어에 형성할 수 있으므로, 기존의 로터슬롯과 스테이터슬롯을 각각 다른 장치에서 수행하는 장치에 비해 훨씬 효율적이며, 작업시간을 혁신적으로 단축할 수 있는 효과가 있다. 또한, 로터슬롯공정과 스테이터슬롯공정이 한꺼번에 진행되는 경우에는 코어의 변형이 발생될 수 있으나, 본 발명은 로터슬롯공정과 스테이터슬롯공정을 각각 별도로 진행할 수 있으므로, 코어의 변형을 방지할 수 있는 이점이 있다.

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04-03-2016 дата публикации

TRANSPARENT BIODEGRADABLE POLYMER

Номер: KR1020160023973A
Принадлежит:

The present invention relates to a transparent biodegradable polymer. To provide a material having excellent heat resistance and flexibility while securing transparency of a biodegradable polymer, isosorbide is introduced to the constitution of a monomer. The biodegradable polymer has enhanced heat resistance by comprising 10 to 50 mol% of a component derived from isosorbide having a rigid structure as a monomer among diol components, while improving transparency through hindering formation of crystals and providing a polymer with excellent flexibility. Therefore, in the present invention, stability of using the polymer is secured, particularly, in packaging field, and the range of use and utilization thereof can be enhanced. COPYRIGHT KIPO 2016 (AA) Biodegradability(%) (BB) Incubation time(Day) ...

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07-03-2013 дата публикации

PRODUCTION METHOD FOR A BIODEGRADABLE POLYESTER COPOLYMER RESIN

Номер: WO2013032140A3
Принадлежит:

Provided is a production method for a biodegradable resin using a relatively inexpensive compound as an aromatic dicarboxylic acid compound, wherein, during the process of producing a biodegradable resin in the form of an aliphatic-aromatic polyester copolymer, an aliphatic dihydroxyl compound used as a starting material is used in an amount of between 1 and 1.5 equivalent weight with respect to aliphatic and aromatic dicarboxylic acid compounds. The present invention comprises the steps of: causing a hydroxyl group of the aliphatic dihydroxyl compound to undergo a first reaction with a carboxyl group of the aliphatic dicarboxylic acid compound; and causing the residual hydroxyl group of the aliphatic dihydroxyl compound to undergo a second reaction with a carboxyl group of the aromatic dicarboxylic acid compound. The present invention has the advantage that it is possible to produce the aliphatic-aromatic polyester copolymer biodegradable resin by means of an efficient method while not ...

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30-04-2015 дата публикации

PORTABLE PACKAGING CASE MADE OF BIODEGRADABLE RESIN

Номер: WO2015060529A1
Принадлежит:

Disclosed is a portable packaging case made of biodegradable resin. The disclosed portable packaging case made of biodegradable resin has a non-thickness directional edge, and a rounded thickness directional edge disposed at a position at which the non-thickness directional edge meets.

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30-05-2014 дата публикации

METHOD FOR PREPARING BIODEGRADABLE POLYESTER COPOLYMER

Номер: WO2014081101A1
Принадлежит:

Disclosed are a method for preparing a polyester copolymer and a polyester copolymer prepared thereby. A biodegradable polyester copolymer which is disclosed comprises: a prepolymerization step of producing a prepolymer by polymerizing a dicarboxylic acid compound (A), a diol compound (B) and an aromatic branching agent (C) at 160-220°C; and a step of polycondensing the prepolymer at 200-250°C in a vacuum state of 0.1-2 torr.

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06-05-2016 дата публикации

METHOD FOR PRODUCING BIODEGRADABLE POLYESTER RESIN AND BIODEGRADABLE RESIN PRODUCED THEREFROM

Номер: WO2016068433A1
Принадлежит:

The present invention relates to a method for using a combination of two kinds of thermal stabilizers in a production process in order to improve the thermal stability of biodegradable polyester resins, and to biodegradable polyester resin produced therefrom. In said method, two kinds of thermal stabilizers improve thermal stability by acting complementarily with each other. Thus, a high temperature reaction is possible, and due to an increase in the reactivity, the reaction time is shortened and the molecular weight is increased. In addition, the obtained resin can provide high quality products, since the acid value thereof is reduced to improve the hydrolysis resistance thereof, and the chromaticity thereof is enhanced to thereby be capable of preventing a yellowing phenomenon of the final product.

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05-12-2018 дата публикации

SLICED MEAT PROCESSING METHOD

Номер: KR101906841B1
Автор: YOON, KI CHUL
Принадлежит: GREENHILL CO., LTD.

The present invention discloses a sliced meat processing method. The method according to an embodiment of the present invention includes: a hitting step (S110) of enhancing the meat quality; a cleaning step (S120) of cleaning the meat (m) using a cleaning device; a freeze storage step (S130) of freezing the meat; a slicing step (S140) of thinly cutting the meat; a sorting step (S150) or removing scraps from the meat; and a packaging step (S160) of packaging the meat (m). The method of the present invention can maintain the meat quality in the best condition and prevent scraps from being adsorbed to the cut portion of the meat. COPYRIGHT KIPO 2019 ...

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19-10-2016 дата публикации

COMPACT MARCHAND BALUN USING META MATERIAL

Номер: KR1020160121221A
Принадлежит:

Provided is a compact Marchand balun using meta material. The present invention designs a balun by using a CRLH transmission line, which is meta material so as to primarily reduce the size of Marchand balun. The present invention reduces the length of the subsequently designed CRLH transmission line, and compensates for impedance change and phase change due to the reduction of the length of the CRLH transmission line by adding an inductor and a capacitor so as to secondarily reduce the Marchand balun. Accordingly, the entire size of the Marchand balun is remarkably reduced. COPYRIGHT KIPO 2016 ...

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25-02-2016 дата публикации

TRANSPARENT BIODEGRADABLE POLYMER

Номер: WO2016027963A1
Принадлежит:

The present invention is characterized by introducing isosorbide to a monomer configuration for securing the transparency of a biodegradable polymer as well as providing material having excellent heat resistance and flexibility. As a monomer, a component derived from isosorbide which has a rigid structure is contained by 10-50 mol% of a total diol component, thereby bringing a heat resistance enhancing effect, and enhancing transparency by interfering with crystal formation, and allowing for providing a polymer having excellent flexibility. Thus, the present invention may enable securing stability in usage especially in the packaging area, and enable the heightening of the range of usage and utilization thereof.

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07-03-2013 дата публикации

PRODUCTION METHOD FOR A BIODEGRADABLE POLYESTER COPOLYMER RESIN

Номер: WO2013032140A2
Принадлежит:

Provided is a production method for a biodegradable resin using a relatively inexpensive compound as an aromatic dicarboxylic acid compound, wherein, during the process of producing a biodegradable resin in the form of an aliphatic-aromatic polyester copolymer, an aliphatic dihydroxyl compound used as a starting material is used in an amount of between 1 and 1.5 equivalent weight with respect to aliphatic and aromatic dicarboxylic acid compounds. The present invention comprises the steps of: causing a hydroxyl group of the aliphatic dihydroxyl compound to undergo a first reaction with a carboxyl group of the aliphatic dicarboxylic acid compound; and causing the residual hydroxyl group of the aliphatic dihydroxyl compound to undergo a second reaction with a carboxyl group of the aromatic dicarboxylic acid compound. The present invention has the advantage that it is possible to produce the aliphatic-aromatic polyester copolymer biodegradable resin by means of an efficient method while not ...

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11-12-2014 дата публикации

BIODEGRADABLE POLYESTER RESIN AND ARTICLE CONTAINING SAME

Номер: WO2014196768A1
Принадлежит:

Disclosed are a biodegradable polyester resin and an article containing the resin. The disclosed biodegradable polyester resin contains an aliphatic dicarboxylic acid residue including a succinic acid residue and and an adipic acid residue, and an aliphatic diol residue including at least one of an ethylene glycol residue and a butane diol residue, in order to improve biodegradability and flexibility.

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28-02-2018 дата публикации

펀치 높낮이 조절이 가능한 펀칭금형

Номер: KR0101833402B1
Автор: 윤기철
Принадлежит: 윤기철

... 본 발명은 코어(C)의 상측에 설치되며, 상하로 승강되어 코어(C)에 방사상으로 복수개의 슬롯을 형성하는 복수개의 펀치(10)와; 상기 펀치(10)의 상측에 설치되며, 상기 펀치(10)가 상하로 관통 설치되어 상기 펀치(10)를 고정하는 펀치고정플레이트(20)와; 상기 펀치고정플레이트(20)의 상부면에 설치되며, 상기 펀치고정플레이트(20)를 지지하는 펀치홀더(40)와; 상기 펀치(10)의 하부에 설치되며, 상부면에 코어(C)의 하단부를 지지하고, 동심원상에 다수개의 펀치홀(82)이 형성되는 다이(80)와; 상기 펀치홀더(40)의 내부에 설치되며, 일정 각도로 회전되어 동심원상으로 배치되는 다수개의 펀치(10) 중 일부를 수용하여 상기 펀치(10)의 높낮이를 다르게 형성하는 펀치높낮이조절판(50);을 포함하는 펀치 높낮이 조절이 가능한 펀칭금형에 관한 것이다. 이와 같은 본 발명에 의하면, 펀칭이 순차적으로 이루어져, 펀칭이 한꺼번에 이루어지는 펀칭금형에 비해 펀칭력이 적게 사용될 수 있고. 이로인해 고용량의 펀칭금형을 사용하지 않고, 저용량의 펀칭금형으로 동일한 펀칭 공정을 수행할 수 있으므로, 제조비용이 절감되는 효과가 있다.

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03-03-2016 дата публикации

DEVICE TO MEASURE SQUARENESS

Номер: KR1020160023401A
Автор: YOON, GI CHUL
Принадлежит:

The present invention relates to a device to measure a squareness which conveniently and locally measures the squareness of a subject such as a ball guide post of a mold or a variety of workpieces within a short period. The present invention provides a device to measure the squareness comprising: a base unit, which is horizontal and which is settled on a measurement position where the subject for squareness measurement is placed; a zero point setting unit placed for whose front end unit to be close to one side surface of the subject for squareness measurement from the base unit to set the zero point, which is a standard for squareness measurement; a gauge post installed vertically upwards from the base unit having a plurality of horizontal inserting holes formed with a certain interval vertically; and a dial gauge combined with the horizontal inserting holes of the gauge post to be close to one side surface of the subject for squareness measurement on the same vertical line of the front ...

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25-04-2018 дата публикации

BIODEGRADABLE RESIN COMPOUND AND PRODUCTION METHOD THEREOF

Номер: KR1020180042004A
Принадлежит:

The present invention relates to a biodegradable resin compound and a production method thereof. The biodegradable resin compound is composed of: (1) at least one biodegradable polyester resin selected from the group consisting of an aliphatic polyester resin and an aliphatic/aromatic polyester resin; (2) gluten; (3) starch; and (4) a plasticizer. The biodegradable resin compound, according to the present invention, enables production of biodegradable articles with excellent strength and elongation by containing high-elasticity gluten along with starch. COPYRIGHT KIPO 2018 ...

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06-02-2014 дата публикации

RESIN COMPOSITION FOR FOAMING CONTAINING BIODEGRADABLE RESIN, AND FOAM MANUFACTURED THEREFROM

Номер: WO2014021544A1
Принадлежит:

The present invention relates to a resin composition for foaming containing a biodegradable resin and a foam manufactured therefrom. The composition according to the present invention is a resin composition for foaming, and comprises: an ethylene vinyl acetate resin; a biodegradable polyester resin to which a monomer having a double bond is bound; a crosslinking agent; a co-crosslinking agent; a filler; and a foaming agent, wherein in the composition, the double bond in the biodegradable polyester resin enables chemical cross-link bonding with the ethylene vinyl acetate resin thereby improving compatibility with the ethylene vinyl acetate resin, improving workability (release) when mixed, and significantly improving foaming characteristics and mechanical physical properties of the foam.

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02-04-2018 дата публикации

BIODEGRADABLE RESIN COMPOSITION AND BIODEGRADABLE ARTICLES MANUFACTURED THEREFROM

Номер: KR1020180032896A
Принадлежит:

The present invention relates to a biodegradable resin composition and biodegradable articles manufactured from the biodegradable resin composition. The biodegradable resin composition of the present invention comprises: a base resin composition including (i) 20 to 30 wt% of polylactic acid (PLA), (ii) 60 to 70 wt% of one or more biodegradable polyester resins selected from the group consisting of an aliphatic polyester resin and an aliphatic/aromatic polyester resin other than PLA, (iii) 3 to 10 wt% of calcium carbonate (CaCO_3), and (iv) 3 to 10 wt% of titanium dioxide (TiO_2), (v) calcium carbonate and titanium dioxide having a total content of 10 to 20 wt%; a plasticizer; and a compatibilizer. According to the present invention, biodegradable articles having excellent tensile strength, tensile elongation and tear strength, improved whiteness and hiding power, and lowered glossiness can be manufactured from the biodegradable resin composition comprising PLA. COPYRIGHT KIPO 2018 ...

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13-03-2014 дата публикации

METHOD FOR CONTINUOUSLY PREPARING BIODEGRADABLE ALIPHATIC POLYESTER

Номер: WO2014038773A1
Принадлежит:

Disclosed is a method for continuously preparing and obtaining biodegradable aliphatic polyester, comprising the steps of: obtaining ester by continuously performing esterification of an aliphatic dihydroxy compound and a compound including aliphatic dicarboxylic acid at or under 185℃; obtaining a prepolymer by continuously performing a first polycondensation of the ester; and continuously performing the polycondensation of the prepolymer. According to the preparation method, the amount of usage of the aliphatic dihydroxy compound, which is a starting material, is reduced thereby reducing the manufacturing cost of the biodegradable aliphatic polyester.

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30-04-2015 дата публикации

BIODEGRADABLE POLYESTER RESIN AND ARTICLE COMPRISING SAME

Номер: WO2015060577A1
Принадлежит:

Disclosed are a biodegradable polyester resin and an article comprising the same. The disclosed biodegradable polyester resin comprises: a diol residue (DO) including a cycloaliphatic diol residue (A) and an aliphatic diol residue (B); and a dicarboxylic acid residue (DC) including at least one among an aromatic dicarboxylic acid residue (C), an aliphatic dicarboxylic acid residue (D) and a cycloaliphatic dicarboxylic acid residue (E), thereby being capable of having good transparency and flexibility.

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05-12-2018 дата публикации

MEAT PROCESSING METHOD FOR MEAT QUALITY ENHANCEMENT OF LIVESTOCK PRODUCTS

Номер: KR101906840B1
Автор: YOON, KI CHUL
Принадлежит: GREENHILL CO., LTD.

The present invention discloses a meat processing method for meat quality enhancement of livestock products. The method according to an embodiment of the present invention comprises: a cutting step (S110) of cutting the meat; a refrigerating storage step (S120) in which the meat quality of the meat (m) is contracted; a hitting step (S130) of enhancing the meat quality; a cleaning step (S140) of cleaning the meat (m) using a cleaning device; a fine cutting step (S150) of cutting the meat according to each part and each use purpose; a secondary cleaning step (S160) of removing foreign matters by injecting air; a drying step (S170) of drying the meat (m); and a packaging step (S180) of packaging the meat (m). The method of the present invention can soften the meat quality, and the meat is vacuum-packaged to minimize contamination by microorganisms. COPYRIGHT KIPO 2019 ...

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19-06-2014 дата публикации

METHOD FOR CONTINUOUS PRODUCTION OF BIODEGRADABLE ALIPHATIC/AROMATIC POLYESTER COPOLYMER

Номер: WO2014092276A1
Принадлежит:

Provided is a method for a continuous production of biodegradable aliphatic/aromatic polyester, the method comprising the steps of: reacting an aliphatic dihydroxy compound with an aliphatic dicarboxylic acid at 185℃ or lower in a primary ester reaction; continuously reacting the product obtained from the previous step in a secondary ester reaction; reacting the product obtain from the previous step in a continuous primary polycondensation reaction and obtaining a preliminary polymer; reacting the preliminary polymer in a continuous secondary polycondensation reaction and obtaining a product having an intrinsic viscosity of 0.9-1.0 dl/g; and reacting the product obtained from the previous step in a continuous tertiary polycondensation reaction, and the biodegradable aliphatic/aromatic polyester polymer is produced by adding an aromatic dicarboxylic acid in the step for the first ester reaction or in the step for the continuous second ester reaction. By controlling the intrinsic viscosity ...

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30-12-2016 дата публикации

BROADBAND COMPACT MARCHAND BALUN USING METAMATERIAL CIRCUIT

Номер: KR1020160150493A
Принадлежит:

Provided is a broadband compact marchand balun using a metamaterial circuit pattern. The marchand balun comprises: an impedance compensation capacitor for receiving an unbalance signal, and transmitting impedance by compensating the impedance; a pair of first transmission lines realized by a metamaterial circuit pattern, and outputting a first balance signal corresponding to the unbalance signal by receiving the unbalance signal from the impedance compensation capacitor; a pair of second transmission lines realized by the metamaterial circuit pattern, and outputting a second balance signal having a reversed phase of the first balance signal by receiving the unbalance signal applied through the pair of first transmission lines; and a phase compensation capacitor connected to each output terminal of each of the pair of the first transmission lines and the pair of the second transmission lines, and compensating a phase difference between the first and second unbalance signals. COPYRIGHT KIPO ...

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15-08-2013 дата публикации

CATALYST FOR SYNTHESIS OF POLYESTER RESIN AND METHOD FOR PRODUCING POLYESTER RESIN USING SAME

Номер: WO2013119004A1
Принадлежит:

The present invention relates to a catalyst to be used in a process of producing biodegradable polyester resin, to an organic titanium catalyst without any heavy metal components and to a method for producing a polyester resin using the catalyst. Accordingly, the present invention relates to a method for producing a polyester resin that does not use a catalyst harmful to the environment or the human body and that can achieve desirable physical properties. According to the present invention, the use of components harmful to the environment or the human body is prevented in a process of producing resin, thus producing biodegradable resin that can be safely used in the article sensitive to harmful components.

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15-01-2019 дата публикации

메쉬망을 이용한 토류벽 구조 및 그 시공방법

Номер: KR0101938988B1
Автор: 윤기철
Принадлежит: 윤기철

... 본 발명은 메쉬망을 이용한 토류벽 구조 및 그 시공방법에 관한 것으로서, 더욱 상세하게는 목재나 강재 토류판의 사용없이 메쉬망을 이용하여 토류벽 구조를 형성하도록 하는 메쉬망을 이용한 토류벽 구조 및 그 시공방법에 관한 것이다. 본 발명의 메쉬망을 이용한 토류벽 구조의 바람직한 일 실시예는 전면에 길이방향으로 고정단이 일정거리 이격하여 한 쌍이 돌출하여 형성되는 H파일과; H파일과 H파일의 사이에 끼워져 설치되는 박판의 흙빠짐 방지용 합판과; 양단부에 걸이부가 형성되며 일정 높이마다 수평으로 구성되는 수평부재와, 수평부재와 수평부재를 망형태로 연결하는 연결부재로 이루어져, H파일의 고정단에 걸이부가 걸려 고정되어 흙빠짐 방지용 합판의 전면에 설치되는 메쉬망;을 포함하여 이루어진다.

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05-07-2017 дата публикации

METHOD OF PREPARING BIODEGRADABLE POLYESTER RESIN AND BIODEGRADABLE POLYESTER RESIN PREPARED BY SAME

Номер: KR1020170076945A
Принадлежит:

The present invention relates to a method of preparing a biodegradable polyester resin, the method comprising the steps of (1) injecting at least one dicarboxylic acid of an aliphatic dicarboxylic acid and an aromatic dicarboxylic acid, at least one diol of an aliphatic diol and an aromatic diol, a catalyst, and a deactivating agent into a reactor to perform an esterification reaction of the dicarboxylic acid and the diol, (2) performing a condensation polymerization reaction of a product obtained by the esterification reaction, (3) cooling a product (hereinafter, referred to as ″a condensation polymerization reaction product″) obtained by the condensation polymerization reaction, and (4) additionally injecting the deactivating agent into the condensation polymerization reaction product cooled according to the step (3), and the biodegradable polyester resin prepared by the method. According to the method of the present invention, thermal stability in a molten state of the biodegradable ...

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