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

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Применить Всего найдено 26. Отображено 26.
14-05-2018 дата публикации

LAMINATED CERAMIC CAPACITOR

Номер: KR1020180050268A
Автор: KIM SANG HYUK, SONG SEON KI, CHOI SUNG HYUK, PARK JAE SUNG, CHANG HAN NAH, KIM BYUNG SOO
Принадлежит:

The present invention provides a laminated ceramic capacitor with excellent reliability which realizes miniaturization and high capacity of the laminated ceramic capacitor and does not occur insulation breakdown under high voltage. According to an embodiment of the present invention, the laminated ceramic capacitor comprises: a laminate body including a dielectric layer; and first and second internal electrodes located to face each other with the dielectric layer interposed therebetween in the laminate body. The first and second internal electrodes are offset in the width direction in the width and thickness direction cross sections of the laminate body. A ratio (t1/td) of the minimum width (t1) of offset parts of the first and second internal electrodes adjacent to each other with the dielectric layer interposed therebetween and an average thickness (td) of the dielectric layer can be 1 to 10. COPYRIGHT KIPO 2018 ...

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Номер записи: 1
22-03-2018 дата публикации

고유량 폴리아미드 복합막의 제조방법

Номер: KR0101825632B1
Автор: 김인철, 장한나
Принадлежит: 한국화학연구원

... 본 발명은 평균 직경이 10nm 내지 50nm인 기공을 갖는 필름형태의 다공성 지지체를 다관능성 아민 함유 제1 용액 중에 침지하여, 다공성 지지체 상에 다관능성 아민 함유 제1 용액층을 형성하는 제1단계; 및 상기 제1 용액층이 형성된 다공성 지지체를 다관능성 아실 할라이드 함유 제2 용액 중에 침지시킴으로써 상기 다관능성 아민 함유 제1 용액층과 다관능성 아실 할라이드 함유 제2 용액을 접촉시켜 폴리아미드 활성층을 형성하는 제2단계;를 포함하고, 상기 다관능성 아민은 수평균분자량이 60,000 내지 200,000인 폴리에틸렌이민인 것인 산성폐수 처리용 고분자 멤브레인의 제조방법에 관한 것이다. 본 발명에 따라 제조한 멤브레인은 낮은 압력하에서도 나노여과막 또는 역삼투막 분야에서 요구되는 염 배제율을 가지면서 높은 투과유량 성능과 내산성을 나타내므로 산성폐수 처리용 멤브레인으로서 적합하게 사용될 수 있다.

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Номер записи: 2
27-01-2016 дата публикации

STAPLER

Номер: KR1020160010384A
Автор: KANG, JUNN KU, CHO, YU JUN, CHOI, SAN YOUNG, JANG, HAN NA, JUNG, WI SUNG, LEE, SENG KYU
Принадлежит:

Disclosed is a stapler comprising: a base part whereon a staple compression plate is formed; a staple reception part; a staple extrusion part; and a cover part. In the stapler, the cover part has a pair of penetration slits vertically penetrated in an outer edge of the cover part than a width of the staple extrusion part. The stapler additionally comprises a force action unit by which the cover part, the staple extrusion part, and the staple reception part are pushed downward to allow the staple extrusion part to interact with the staple compression plate such that documents can be filed by the staple. The force action unit comprises: a body part having a pair of side plates fixed on the base part while penetrating the pair of penetration slits formed on the cover part and a top plate to connect an upper end of the side plates; a head part fixed on the top plate protruding upward from the top plate; and a handle part coupled to the head part. When a user pushes the handle part, the handle ...

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Номер записи: 3
18-05-2017 дата публикации

METHOD OF RECOVERING MULTIVALENT METAL ION FROM LEACHING SOLUTION CONTAINING SULFURIC ACID IN WHICH METAL IONS ARE LEACHED, AND COMPOSITE MEMBRANE THEREOF

Номер: KR1020170055021A
Автор: KIM, IN CHUL, JANG, HAN NA, AN, EUN SUK, SONG, DU HYUN, LEE, HYE JIN
Принадлежит:

The present invention relates to a method of recovering multivalent metal ion from leaching solution containing sulfuric acid wherein metal ions are leached, and a composite membrane thereof. According to the present invention, the method provides to recover multivalent metal ion from leaching solution containing sulfuric acid in which metal ions are leached, where the metal ions are generated during wet nonferrous smelting using sulfide ore as raw material. By using a composite membrane containing polyamide coating layer formed by interfacial polymerization between a mixture of aromatic multivalent amine and aliphatic multivalent amine and polyfunctional acid halogen compound; chemical stability of sulfuric acid is able to be improved and at the same time, water permeability flux is able to be improved, specifically, as a rejection coefficient of multivalent metal ions is greater than that of monovalent metal ion such that a recovery rate of rare earth metal ions are able to be increased ...

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Номер записи: 4
15-05-2017 дата публикации

나노 기공을 갖는 극성 멤브레인 및 이의 제조방법

Номер: KR0101734307B1
Автор: 김인철, 송두현, 장한나, 이혜진, 김성수, 강형진
Принадлежит: 한국화학연구원, 주식회사 시노펙스

... 본 발명은 나노 기공을 갖는 극성 멤브레인의 제조방법 및 상기 방법으로 제조된 나노 기공을 갖는 극성 멤브레인에 관한 것으로, 더욱 상세하게는 극성 고분자인 나일론을 사용하여 멤브레인을 제조하되 VIPS법과 NIPS법을 혼용함으로써, NIPS 법에 의해서 표면에 스킨층이 있고 공기와 접촉한 표면의 기공이 하부 표면에 비해서 기공이 더 작은 나노 기공 크기의 기공구조를 지니면서도, VIPS 법에 영향을 받아서 단면이 완전한 스폰지층을 갖는 극성 멤브레인의 제조방법 및 상기 방법으로 제조된 나노 기공을 갖는 극성 멤브레인에 관한 것이다.

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Номер записи: 5
19-10-2016 дата публикации

ROTATABLE MECHANICAL PENCIL WITH EMBEDDED LEAD

Номер: KR1020160121328A
Автор: JANG, HAN NA
Принадлежит:

The present invention relates to a mechanical pencil with embedded lead. An objective of the present invention is to independently and separately store lead in a lead embedding container to safely store the lead to use the lead. The mechanical pencil comprises a lead embedding container disposed on a mechanical pencil body, a lead rotation container disposed below the lead embedding container, a lead rotation plate connected to an outer portion of the mechanical pencil, and a lead mounting hole. Therefore, the present invention comprises the lead embedding container disposed on the mechanical pencil body, the lead rotation container disposed below the lead embedding container, the lead rotation plate connected to the outer portion of the mechanical pencil, and the lead mounting hole to independently and separately store lead in the lead embedding container to safely store the lead to use the lead. COPYRIGHT KIPO 2016 ...

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Номер записи: 6
14-06-2016 дата публикации

A preparation method of hydrophilic membrane and a hydrophilic membrane prepared by the same

Номер: KR0101630208B1
Автор: 김인철, 장한나, 송두현
Принадлежит: 한국화학연구원

... 본 발명은 친수성 분리막의 제조방법 및 상기 방법으로 제조된 친수성 분리막에 관한 것으로, 더욱 상세하게는 친수성을 가진 고분자에 카르복실기 등의 친수성 관능기를 부착하여 친수성을 더욱 높인 고분자를 제조하고 이를 분리막 표면상에 가교 코팅하는 방법을 통해 간단한 공정으로 분리막 전체에 친수성을 부여하여 친수성 분리막을 제조하는 방법 및 상기 방법으로 제조된 친수성 분리막에 관한 것이다.

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Номер записи: 7
09-02-2017 дата публикации

METHOD TO COLLECT POLYVALENT METAL IONS FROM SULFURIC ACID-CONTAINING EXTRACT FROM WHICH METAL IONS ARE EXTRACTED, AND COMPLEX MEMBRANE

Номер: KR1020170015656A
Автор: KIM, IN CHUL, JANG, HAN NA, AN, EUN SUK, SONG, DU HYUN, LEE, HYE JIN
Принадлежит:

The present invention relates to a method to collect polyvalent metal ions from a sulfuric acid-containing extract from which metal ions are extracted and a complex membrane. In order to collect polyvalent metal ions from a sulfuric acid-containing extract from which metal ions are extracted and generated during wet nonferrous refinement using sulfide ore as a raw material; the present invention uses the complex membrane including a polyamide coating layer formed by interfacial polymerization between a polyfunctional acid halide compound and a compound of aromatic polyvalent amine and aliphatic polyvalent amine. As such, the present invention is capable of improving chemical stability to sulfuric acid as well as improve water penetration flux and increase a recovery rate of rare metals by having an elimination rate of the polyvalent metal ions higher than an elimination rate of univalent metal ions. COPYRIGHT KIPO 2017 ...

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Номер записи: 8
16-10-2018 дата публикации

PREPARATION METHOD OF HIGH FLUX POLYAMIDE COMPOSITE MEMBRANE

Номер: KR1020180113350A
Автор: KIM, IN CHUL, JANG, HAN NA
Принадлежит:

The present invention relates to a polyamide composite membrane including a polyamide active layer comprising polyacrylic acid, and having a high salt rejection rate and water permeability; a preparation method of the polyamide composite membrane; a separation membrane including the polyamide composite membrane; and a water treatment apparatus having the separation membrane. The water treatment apparatus including the separation membrane can be operated at a low pressure, and can have increased processing capacity per unit hour. COPYRIGHT KIPO 2018 ...

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Номер записи: 9
07-12-2015 дата публикации

STAPLER

Номер: KR101575074B1
Автор: KANG, JUNN KU, CHO, YU JUN, CHOI, SAN YOUNG, JANG, HAN NA, JUNG, WI SUNG, LEE, SENG KYU
Принадлежит: KANG, JUNN KU, CHO, YU JUN, CHOI, SAN YOUNG, JANG, HAN NA, JUNG, WI SUNG, LEE, SENG KYU

Disclosed is a stapler comprising: a base part; a staple receiving part, a stable extruding part; and a cover part. The cover part includes a pair of through slits vertically passing through an edge of the cover part, and the edge positioned outside of a width of the staple extruding part. The stapler further comprises a force applying means pressing the cover part, the staple extruding part, and the staple receiving part downwardly to allow the staple extruding part to interact with a staple compressing plate, thus binding a document by the staple. The force applying means comprises: a body part; a head part; and a knob. The body part comprises: a pair of lateral plates passing through the passing slits formed on the cover part to be fixated to the base part; and an upper plate connecting the upper ends of the lateral plates with each other. The head part is fixated to the upper plate, and protrudes from the upper part of the upper plate. The knob is coupled to the head part; and when ...

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Номер записи: 10
30-10-2018 дата публикации

고유량 폴리아미드 복합 멤브레인 제조방법

Номер: KR0101913396B1
Автор: 김인철, 장한나
Принадлежит: 한국화학연구원

... 본 발명은 폴리아크릴산을 포함하는 폴리아미드 활성층을 포함하는, 높은 염배제율 및 수투과량을 갖는, 폴리아미드 복합 멤브레인; 상기 폴리아미드 복합 멤브레인의 제조방법; 상기 폴리아미드 복합 멤브레인을 포함하는 분리막; 및 상기 분리막을 구비한 수처리 장치에 관한 것이다.

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Номер записи: 11
13-05-2016 дата публикации

POLAR MEMBRANE HAVING NANO-SIZED PORES AND METHOD FOR PREPARING SAME

Номер: KR1020160053174A
Автор: KIM, IN CHUL, SONG, DU HYUN, JANG, HAN NA, LEE, HYE JIN, KIM, SUNG SOO, KANG, HYEUNG JIN
Принадлежит:

The present invention relates to a method for preparing a polar membrane having nano-sized pores and a polar membrane having nano-sized pores prepared by the method. According to the method for preparing a polar membrane, a membrane is prepared using nylon, i.e., a polar polymer, by means of a combination of a VIPS method and an NIPS method. Accordingly, due to the NIPS method, a skin layer is present on a surface, and a nano-sized pore structure in which pores on the surface in contact with air are smaller than pores on a lower surface is acquired. Due to influence of the VIPS method, the section of the membrane has a complete sponge form. COPYRIGHT KIPO 2016 ...

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Номер записи: 12
04-12-2017 дата публикации

PREPARATION METHOD OF HIGH-FLOW POLYAMIDE COMPOSITE MEMBRANE

Номер: KR1020170132528A
Автор: KIM, IN CHUL, JANG, HAN NA
Принадлежит:

The present invention relates to a preparation method of a polymer membrane for treating acidic wastewater, which comprises: a first step of immersing a film-shaped porous support having pores of average diameter of 10-50 nm in a first solution containing a multifunctional amine to form a first solution layer containing a multifunctional amine on the porous support; and a second step of immersing the porous support having the first solution layer formed thereon in a second solution containing a multifunctional acyl halide, thereby bringing the second solution containing a multifunctional acyl halide in contact with the first solution layer containing a multifunctional amine to form a polyamide active layer, wherein the multifunctional amine is polyethyleneimine having a number average molecular weight of 60,000-200,000. The membrane prepared according to the present invention has a salt rejection required in the fields of nanofiltration membrane or reverse osmosis membrane, even under low ...

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Номер записи: 13
02-03-2016 дата публикации

METHOD FOR MANUFACTURING HYDROPHILIC MEMBRANE AND HYDROPHILIC MEMBRANE MANUFACTURED THEREBY

Номер: KR1020160022619A
Автор: KIM, IN CHUL, JANG, HAN NA, SONG, DU HYUN
Принадлежит:

The present invention relates to a method for manufacturing a hydrophilic membrane and the hydrophilic membrane manufactured thereby and, more specifically, to a method for manufacturing a hydrophilic membrane, which involves manufacturing a polymer with much increased hydrophilic properties by attaching a hydrophilic functional group such as a carboxyl group or the like to a polymer with hydrophilic properties, and giving hydrophilic properties to the entire membrane with a simple process through the method of performing crosslinking coating of the manufactured polymer on the surface of the membrane, and to the hydrophilic membrane manufactured thereby. COPYRIGHT KIPO 2016 ...

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Номер записи: 14
09-05-2018 дата публикации

적층 세라믹 커패시터

Номер: KR0101856083B1
Автор: 김상혁, 박재성, 최성혁, 송선기, 장한나, 김병수
Принадлежит: 삼성전기주식회사

... 본 발명은 적층 세라믹 커패시터에 관한 것으로, 본 발명의 일 실시형태에 따른 적층 세라믹 커패시터는 유전체층을 포함하는 적층 본체, 및 상기 적층 본체 내에서 상기 유전체층을 사이에 두고 서로 대향하도록 배치되는 제1 및 제2 내부전극을 포함하고, 상기 적층 본체의 폭 및 두께 방향 단면에서, 상기 제1 내부전극과 상기 제2 내부전극은 폭방향으로 오프셋되어 배치되고, 상기 유전체층을 사이에 두고 인접한 제1 내부전극과 제2 내부전극의 오프셋부의 최소폭(t1)과 상기 유전체층의 평균 두께(td)의 비(t1/td)가 1 내지 10일 수 있다.

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Номер записи: 15
30-10-2017 дата публикации

NANOCOMPOSITE MEMBRANE FOR WATER TREATMENT AND MANUFACTURING METHOD THEREOF

Номер: KR1020170119891A
Автор: KIM, IN CHUL, JANG, HAN NA
Принадлежит:

The present invention relates to a nanocomposite membrane for water treatment and a manufacturing method thereof. The nanocomposite membrane manufacturing method includes the steps of: immersing a porous polymeric film support layer with first pores in a first polymer-containing solution; immersing the support layer in a non-solvent to solidify a first polymer in order to form a first polymeric layer for filling the pores present on the surface or cross-sections of the support layer and hydrophilizing the support layer; immersing the support layer with the first polymeric layer formed thereon in a second polymer-containing solution, compressing the support layer to arranging a second polymeric layer thereon, and manufacturing a membrane with nano-scale second pores smaller than the first pores. The support layer is hydrophobic while the first and second polymeric layers are hydrophilic. The present invention can provide a membrane with significantly enhanced impurity separation functions ...

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Номер записи: 16
23-11-2016 дата публикации

내염소성이 우수한 분리막의 제조방법 및 상기 방법으로 제조된 내염소성 분리막

Номер: KR0101675455B1
Автор: 김인철, 송두현, 장한나, 이혜진
Принадлежит: 한국화학연구원

... 본 발명은 내염소성이 우수한 분리막의 제조방법 및 상기 방법으로 제조된 내염소성 분리막에 관한 것으로, 더욱 상세하게는 아세틸 메셀로스 및 셀룰로스 아세테이트계 고분자로 이루어진 군으로부터 선택되는 1종 이상의 셀룰로스계 고분자에 불소계 고분자를 블렌딩하여 분리막을 성형함으로써 막오염 저항성은 유지하면서도 내염소성이 더욱 크게 개선된 분리막을 제조하는 방법 및 상기 방법으로 제조된 내염소성 분리막에 관한 것이다.

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Номер записи: 17
20-09-2017 дата публикации

폴리아미드 코팅층을 포함하는 복합 멤브레인 및 이의 제조방법

Номер: KR0101779889B1
Автор: 김인철, 송두현, 장한나, 이혜진, 안은숙, 최진일
Принадлежит: 한국화학연구원

... 본 발명은 폴리아미드 코팅층을 포함하는 복합 멤브레인 및 이의 제조방법에 관한 것으로, 본 발명의 제조방법은 평균 기공 크기가 0.1 ㎛ 이상인 거대기공을 갖는 다공성 고분자 지지체 표면 상에서 폴리아미드 계면중합을 실시하여 폴리아미드 코팅층을 형성함에 있어서, 폴리아미드 형성용 아민 화합물(제1단량체)로서 수평균분자량이 800 내지 80,000인 폴리에틸렌이민을 사용함으로써 폴리아미드 코팅층을 보다 균일하고 효율적으로 형성하여 기공을 줄이면서도 투과유량을 크게 감소시키지 않는 복합 멤브레인을 제공할 수 있다.

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Номер записи: 18
08-03-2017 дата публикации

유전체 조성물 및 이를 이용한 적층 세라믹 커패시터

Номер: KR0101709815B1
Автор: 최지예, 김가희, 최재열, 김두영, 장한나, 강심충, 조항규, 한병우, 박재성
Принадлежит: 삼성전기주식회사

... 본 발명의 일 실시형태는 세라믹 분말; 및 상기 세라믹 분발 100 중량부에 대하여 폴리프로필렌 글리콜 모노알킬 에터(Polypropylene glycol monoalkyl ether)계 분산제 0.5 내지 5 중량부;를 포함하는 유전체 조성물을 제공한다.

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Номер записи: 19
22-02-2018 дата публикации

투과유량 특성이 우수한 폴리에테르술폰계 다공성 필름, 이의 제조방법 및 이의 용도

Номер: KR0101817311B1
Автор: 김인철, 송두현, 장한나, 이혜진, 안은숙, 최진일
Принадлежит: 한국화학연구원

... 본 발명은 투과유량 특성이 우수한 폴리에테르술폰계 다공성 필름, 이의 제조방법 및 이의 용도에 관한 것으로, 본 발명에 따른 제조방법은 (i) 폴리에틸렌글리콜의 수평균분자량을 선택하고, (ii) 전체 고분자 용액 내 상기 폴리에틸렌글리콜의 함량 및 폴리에테르술폰의 함량을 선택한 후, 상기 선택된 조건 하에 제1온도에서 고분자 용액을 얻은 다음 상기 고분자 용액을 필름 형태로 성형하고, 상기 제1온도와 동일하거나 이보다 높은 제2온도의 수증기에 노출시켜 상전이시킴으로써 증기유도 상분리와 역열유도 상분리가 동시에 일어나도록 유도하여 기공 형성이 우수하면서도 기공분포가 넓지 않아 수투과유량이 우수한 폴리에테르술폰계 다공성 필름을 제공할 수 있다.

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Номер записи: 20
21-11-2018 дата публикации

LAMINATED CAPACITOR AND MOUNTING SUBSTRATE THEREOF

Номер: KR1020180124456A
Автор: CHANG, HAN NAH, YOU, TEA YOUL, KIM, MI YOUNG
Принадлежит:

The present invention relates to a laminated capacitor capable of reducing acoustic noise and ensuring ESL characteristics at the same time. The laminated capacitor according to an embodiment of the present invention comprises: an active layer in which first and second internal electrodes are alternately stacked with a dielectric layer interposed therebetween; an upper cover layer formed on an upper part of the active layer; a lower cover layer formed in a lower part of the active layer and having a thickness thicker than the upper cover layer; and an identification layer formed in the lower part of the lower cover layer, wherein third and fourth internal electrodes alternately stacked with a dielectric layer interposed therebetween in the lower cover layer. A ratio at which a center part of the active layer deviates from a center part of a body ((B + C) / A) exceeds 1.041, wherein A is 1 / 2 of a total thickness of the body, B is a sum of thicknesses of the lower cover layer and the identification ...

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Номер записи: 21
26-10-2016 дата публикации

POLYETHERSULFONE-BASED POROUS FILM HAVING HIGH FLUX PROPERTY, METHOD FOR PREPARING SAME, AND USE OF SAME

Номер: KR1020160123426A
Автор: KIM, IN CHUL, SONG, DU HYUN, JANG, HAN NA, LEE, HYE JIN, AN, EUN SUK, CHOI, JIN IL
Принадлежит:

The present invention relates to a polyethersulfone-based porous film having a high flux property, a method for preparing the same, and a use of the same. According to the present invention, provided is the method for preparing the polyethersulfone-based porous film, the method comprising the steps of: (i) selecting an average molecular weight of polyethylene glycol, (ii) selecting a content of polyethylene glycol and a content of polyethersulfone in an overall polymer solution, obtaining the polymer solution at a first temperature under the selected conditions, forming the polymer solution in a film shape, and performing phase transition of the formed polymer solution by exposing the formed polymer solution to vapor at a second temperature equal to or higher than the first temperature. Accordingly, both vapor-induced phase separation and reverse heat-induced phase separation are induced to occur simultaneously, and thus provided is the polyethersulfone-based porous film which has a high ...

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Номер записи: 22
06-12-2018 дата публикации

VARIABLE THRUSTER

Номер: KR101925786B1
Автор: PARK, SUNG HAN, KWAK, JAE SU, KIM, GI MUN, JANG, HAN NA
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a variable thruster, wherein a heat absorbing material providing chemical endothermic decomposition reaction is inserted into a pintle exposed to heat transferred from high temperature combustion gas of the variable thruster and the inside of a variable thruster component, such that stability and durability of a dynamic sealing material of the thruster are increased. According to one embodiment of the present invention, the variable thruster comprises: a driver to perform linear reciprocation; the pintle disposed in the variable thruster and adjusting the amount of combustion gas discharged through a nozzle of the variable thruster while performing linear reciprocation; a liner surrounding a part of the pintle to allow the pintle to perform the linear reciprocation; and the heat absorption material formed in the pintle to minimize heat transfer toward the pintle by the combustion gas and generating the chemical endothermic decomposition reaction. COPYRIGHT ...

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Номер записи: 23
15-11-2017 дата публикации

BLADE AND GAS TURBINE HAVING SAME

Номер: KR1020170125491A
Автор: KWAK, JAE SU, JANG, HAN NA, PARK, JUNG SHIN, KANG, YOUNG JUN
Принадлежит:

The present invention relates to a blade, comprising: a root portion having an inlet through which cold air is introduced; an air foil formed at the top of the root portion, colliding with combustion gas of high temperature and high pressure, having a flow path where the cold air introduced through the inlet flows, and having injection holes discharging air flowing in the flow path; a plurality of ribs formed to be inclined at the same interval on the inner wall of the flow path; and at least one disturbance structure installed on the inner wall of the flow path to be protruded toward a center portion of the flow path, thereby re-increasing disturbance that is weaken when the ribs are passing after the cold air is introduced into the flow path. COPYRIGHT KIPO 2017 ...

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Номер записи: 24
26-04-2016 дата публикации

METHOD FOR PRODUCING SEPARATION MEMBRANE WITH EXCELLENT CHLORINE RESISTANCE AND CHLORINE RESISTANT SEPARATION MEMBRANE PRODUCED BY METHOD

Номер: KR1020160044661A
Автор: KIM, IN CHUL, SONG, DU HYUN, JANG, HAN NA, LEE, HYE JIN
Принадлежит:

The present invention relates to a method for producing a separation membrane with excellent chlorine resistance, and to a chlorine resistant separation membrane produced by the method. More specifically, the present invention relates to a method for producing a separation membrane having remarkably improved chlorine resistance while maintaining membrane fouling resistance. To this end, the separation membrane is molded by blending a fluorine-based polymer along with a at least one sort of cellulose-based polymer selected from the group composed of acetyl mecellose and cellulose acetate-based polymer. The present invention further relates to a chlorine resistant separation membrane produced by the method. COPYRIGHT KIPO 2016 ...

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Номер записи: 25
26-10-2016 дата публикации

COMPOSITE MEMBRANE COMPRISING POLYAMIDE COATING LAYER AND PRODUCING METHOD THEREOF

Номер: KR1020160123425A
Автор: KIM, IN CHUL, SONG, DU HYUN, JANG, HAN NA, LEE, HYE JIN, AN, EUN SUK, CHOI, JIN IL
Принадлежит:

The present invention relates to a composite membrane comprising a polyamide coating layer and a producing method thereof. The producing method of the present invention can provide a composite membrane which reduces pores and significantly does not decrease permeation flux by more uniformly and efficiently forming a polyamide coating layer through using polyethyleneimine having a number average molecular weight of 800 to 80,000 as an amine compound (first monomer) for forming polyamide, when forming the polyamide coating layer by implementing polyamide interface polymerization on a porous polymer support surface having macropores with an average pore size of 0.1 m or more. COPYRIGHT KIPO 2016 ...

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Номер записи: 26