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Применить Всего найдено 44. Отображено 44.
29-11-2018 дата публикации

METALLOCENE CATALYST SYSTEM COMPRISING OPERATIONALLY STABLE COMPOSITION, AND METHOD FOR PRODUCING POLYOLEFIN BY MEANS OF METALLOCENE CATALYST SYSTEM

Номер: WO2018101794A3
Автор: CHOI, Hye Sun, KIM, Dong Ok, SEO, Jun Ho, JEONG, Dong Wook, HEO, Eun Jung, JOUNG, Ui Gab, CHOI, Seung Il
Принадлежит:

The present invention relates to a metallocene catalyst system comprising an operationally stable composition, and a method for producing polyolefin by means of the metallocene catalyst system. More specifically, by utilizing the metallocene catalyst system comprising: 90-99.9 wt% metallocene compound of one or more types; and 0.1-10 wt% operationally stable composition comprising one or more types of compounds selected from the group consisting of sulfate, sulfonate, phosphate, and carboxylate, and one or more types of white mineral oil, the unique activity of the catalyst is maintained and fouling and agglomeration phenomena are minimized during olefin polymerization to allow the process to be stably carried out, and thus by means of the present invention, a method for producing polyolefin can be provided, and produced polyolefin can be provided.

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Номер записи: 1
14-11-2017 дата публикации

혼성 촉매 조성물, 이의 제조방법, 및 이를 이용하여 제조된 폴리올레핀

Номер: KR0101797890B1
Автор: 정의갑, 김아름, 정동욱, 최승일
Принадлежит: 한화케미칼 주식회사

... 본 발명은 서로 다른 화학식으로 이루어지는 화학식 1로 표시되는 제1 전이금속 화합물과, 화학식 2로 표시되는 제2 전이금속 화합물을 포함하는 혼성 촉매 조성물에 대한 발명이다. 상기 제1 및 제2 전이금속 화합물를 포함하는 혼성 촉매 조성물은 높은 촉매활성을 나타내며, 가공성 및 기계적 물성을 갖는 폴리올레핀을 제조할 수 있다.

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Номер записи: 2
07-06-2018 дата публикации

METALLOCENE CATALYST SYSTEM COMPRISING OPERATIONALLY STABLE COMPOSITION, AND METHOD FOR PRODUCING POLYOLEFIN BY MEANS OF METALLOCENE CATALYST SYSTEM

Номер: WO2018101794A2
Автор: CHOI, Hye Sun, KIM, Dong Ok, SEO, Jun Ho, JEONG, Dong Wook, HEO, Eun Jung, JOUNG, Ui Gab, CHOI, Seung Il
Принадлежит:

The present invention relates to a metallocene catalyst system comprising an operationally stable composition, and a method for producing polyolefin by means of the metallocene catalyst system. More specifically, by utilizing the metallocene catalyst system comprising: 90-99.9 wt% metallocene compound of one or more types; and 0.1-10 wt% operationally stable composition comprising one or more types of compounds selected from the group consisting of sulfate, sulfonate, phosphate, and carboxylate, and one or more types of white mineral oil, the unique activity of the catalyst is maintained and fouling and agglomeration phenomena are minimized during olefin polymerization to allow the process to be stably carried out, and thus by means of the present invention, a method for producing polyolefin can be provided, and produced polyolefin can be provided.

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Номер записи: 3
31-08-2017 дата публикации

HIGH DENSITY ETHYLENE-BASED POLYMER WITH EXCELLENT PROCESSABILITY USING HYBRID SUPPORTED METALLOCENE CATALYST AND METHOD OF PRODUCING SAME

Номер: KR101773722B1
Автор: LEE, IN JUN, KANG, WON JUN, KIM, DONG OK, YANG, SONG HEE, LEE, SUNG WOO, JEONG, DONG WOOK, JOUNG, UI GAB
Принадлежит: HANWHA CHEMICAL CORPORATION

The present invention relates to a high density ethylene-based polymer including a copolymer of an ethylene homopolymer or ethylene, and at least one comonomer selected from the group consisting of alpha olefin, cyclic olefin, and linear, branched and cyclic dienes. A high density polyethylene resin according to the present invention has excellent melting fluidity since the high density polyethylene resin has a wide molecular weight distribution, excellent comonomer distribution characteristics, and a long-chain branch structure, and the high density polyethylene resin has excellent mechanical properties since the comonomer distribution is concentrated in a high-molecular compound. The high density ethylene-based polymer of the present invention has excellent molding processability during processing processes such as extrusion, compression, injection, rotational molding, and the like due to its excellent mechanical properties and melting fluidity. COPYRIGHT KIPO 2017 (AA) Example (BB) Comparative ...

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Номер записи: 4
18-04-2017 дата публикации

HIGH DENSITY ETHYLENE POLYMER WITH EXCELLENT PROCESSABILITY USING SUPPORTED HYBRID METALLOCENE CATALYST AND PRODUCTION METHOD THEREOF

Номер: KR101723774B1
Автор: LEE, IN JUN, KANG, WON JUN, KIM, DONG OK, YANG, SONG HEE, LEE, SUNG WOO, JEONG, DONG WOOK, JOUNG, UI GAB
Принадлежит: HANWHA CHEMICAL CORPORATION

The present invention relates to a high density ethylene polymer composed of at least one copolymer of comonomer, selected from a group consisting of ethylene homopolymer of ethylene, alpha olefin, cyclic olefin and linear, branched and cyclic diene. A high density polyethylene resin, according to the present invention, has excellent characteristics of molecular weight distribution and comonomer distribution, has a long-chain branch structure to be excellent in melt fluidity, and has high mechanical properties, due to concentrated comonomer distribution in a polymer having high molecular weight. The high density ethylene polymer of the present invention has excellent mechanical properties and melt fluidity, to have excellent molding processability, during processes such as extrusion, compression, injection, rotation molding, and the like. COPYRIGHT KIPO 2017 (AA) Example (BB) Comparative example ...

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Номер записи: 5
07-12-2017 дата публикации

HIGH-DENSITY ETHYLENE-BASED POLYMER USING SUPPORTED HYBRID METALLOCENE CATALYST, AND MANUFACTURING METHOD THEREFOR

Номер: WO2017209372A1
Автор: LEE, In Jun, KANG, Won Jun, KIM, Dong Ok, YANG, Song Hee, LEE, Sung Woo, JEONG, Dong Wook, JOUNG, Ui Gab
Принадлежит:

The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an α-olefin, a cyclic olefin and a straight, branched and cyclic diene. According to the present invention, the high-density ethylene polymer has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability by having a long-chain branched structure, and has excellent mechanical characteristics since comonomer distribution is concentrated on a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent mold processability during processing such as extrusion, compression, injection and rotational molding because of excellent mechanical characteristics and melt flowability.

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Номер записи: 6
19-09-2017 дата публикации

HYBRID CATALYST COMPOSITION, PREPARATION METHOD THEREOF, AND POLYOLEFIN MANUFACTURED BY USING SAME

Номер: KR1020170105407A
Автор: JOUNG, UI GAB, KIM, AH REUM, JEONG, DONG WOOK, CHOI, SEUNG IL
Принадлежит:

The present invention relates to a hybrid catalyst composition containing a first transition metal compound represented by chemical formula 1 and a second transition metal compound represented by chemical formula 2, formed of different chemical formulas. The hybrid catalyst composition comprising the first and second transition metal compounds exhibits high catalytic activity and can produce polyolefin having processability and mechanical properties. COPYRIGHT KIPO 2017 ...

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Номер записи: 7
14-03-2017 дата публикации

HYBRID CATALYST COMPOSITION, PRODUCTION METHOD THEREOF, AND POLYOLEFIN PRODUCED BY USING SAME

Номер: KR101711788B1
Автор: JOUNG, UI GAB, JEONG, DONG WOOK, KIM, AH REUM, CHOI, SEUNG IL
Принадлежит: HANWHA CHEMICAL CORPORATION

The present invention relates to a hybrid catalyst composition consisting of compounds with each different chemical formula, specifically a first transition metal compound represented by chemical formula 1 and a second transition metal compound represented by chemical formula 2. The hybrid catalyst composition containing the first transition metal compound and the second transition metal compound exhibits high catalytic activities, and enables the production of polyolefin having processability and mechanical properties. COPYRIGHT KIPO 2017 ...

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Номер записи: 8
18-04-2017 дата публикации

SUPPORTED HYBRID METALLOCENE CATALYST AND POLYOLEFIN USING SAME AND HAVING EXCELLENT PROCESSABILITY

Номер: KR101725004B1
Автор: JEONG, DONG WOOK, KIM, DONG OK, JOUNG, UI GAB
Принадлежит: HANWHA CHEMICAL CORPORATION

The present invention relates to a supported hybrid metallocene catalyst comprising at least one first metallocene compound, at least one second metallocene compound, at least one co-catalyst compound and a carrier; a method for preparing the same; and a polyolefin resin polymerized in the presence of the catalyst. The second metallocene compound is a branch structured compound having ligands with an asymmetric structure. The polyolefin resin has a density of 0.910-0.960 g/cm^3, a unimodal molecular distribution with a polydispersity of 3-5, a melt index of 0.05-100 at 2.16 kg, and a melt flow rate of 20-40. COPYRIGHT KIPO 2017 (AA) Agitate first metallocene compound 0.03 g + second metallocene compound 0.07 g + co-catalyst compound (e.g. MAO) 10 wt% for 1 hour at 25°C (BB) Prepare a catalyst composition (CC) Introduce silica (XPO2402) 5 g + purified toluene 30 mL to a reactor, agitate for 1 hour at 25 °C (DD) Add the catalyst composition at 60 °C, agitate for 2 hours (EE) Precipitate a ...

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Номер записи: 9
10-03-2016 дата публикации

NOVEL GROUP 4 TRANSITION METAL COMPOUND, AND USE THEREOF

Номер: KR1020160027353A
Автор: JOUNG, UI GAB, KIM, DONG OK, KIM, DONG WOOK, KIM, AH REUM, PARK, HYE RAN, SAGONG, KIL, JUN, SUNG HAE, LEE, CHUN SUN, HWANG, EUN YEONG
Принадлежит:

The present invention relates to a novel group 4 transition metal compound, a producing method of the compound, a catalyst composition comprising the compound, and a producing method of polyolefin comprising a step of performing polymerization reaction of olefin monomers in the presence of the catalyst composition. The group 4 transition metal compound of the present invention exhibits an excellent catalytic activity and has excellent thermal stability in polyolefin synthesis reaction, and thus can be used in the polyolefin synthesis reaction at high temperatures. In addition, the compound of the present invention can be helpfully used in the synthesis process of grade-controlled polyolefin since the weight average molecular weight of the synthesized polyolefin and the octene content in the polymer can be adjusted by changing the kinds of a center metal and ligands. COPYRIGHT KIPO 2016 ...

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Номер записи: 10
25-04-2017 дата публикации

온수 매트용 보일러

Номер: KR0101730145B1
Автор: 정의갑
Принадлежит: 정의갑

... 본 발명은 온수 매트용 보일러에 관한 것으로, 더욱 상세하게는 설정된 온도에 따라 매트에 온수를 공급 순환시켜 난방 기능을 제공하면서, 특히 하나의 물탱크로 물공급 및 복귀가 동시에 이루어지게 하면서, 그 물탱크를 볼트 또는 나사와 같은 체결 부재 없이 조립되게 구성함에 따라 보일러의 전체 구조를 단순화시키며, 조립에 소요되는 시간을 현저히 줄여 생산성 및 제조 단가를 낮추게 하기 위한 온수 매트용 보일러에 관한 것이다. 이와 같은 목적을 해결하기 위해 본 발명은; 온수 매트용 보일러에 관한 것으로서, 하단이 개방되며, 내부에 형성된 공간에 물이 수용되는 몸체(110)와; 상기 몸체(110) 하단의 개방된 측에 조립되어 기밀을 유지하며, 내부에 각각 관통된 공급홀(122) 및 복귀홀(123)을 이용해 수용된 물을 공급, 복귀시키는 배수캡(120)과; 상기 공급홀(122)에 연결되며, 공급되는 물을 가열한 후, 얻은 온수를 외부에 연결된 매트(10)에 공급시켜 순환되게 하는 히터(200)와; 상기 복귀홀(123)에 연결되며, 상기 히터(200)에 의해 매트(10)로부터 순환된 온수를 상기 몸체(110)의 내부로 복귀시키는 리턴관(300)을 포함하여 구성되고, 상기 몸체(110)와 배수캡(120)의 조립 부위에는 제1,2나사산(111,121)이 각각 형성되며, 상기 제1,2나사산(111,121)의 체결구조에 의해 상기 몸체(110)와 배수캡(120)이 상호 조립되어 물탱크(100)를 구성하여 이루어진다.

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Номер записи: 11
20-09-2017 дата публикации

POLYOLEFIN, METHOD FOR MANUFACTURING SAME AND METALLOCENE CATALYST FOR MANUFACTURING SAME

Номер: KR1020170105789A
Автор: LEE, IN JUN, JOUNG, UI GAB, CHANG, JUN HO, KIM, NA YEUN, PARK, HYE RAN, SAGONG, KIL, YOON, SUNG CHEOL
Принадлежит:

The present invention relates to a polyolefin comprising lamella of which the average thickness is more than or equal to 10 nm and less than or equal to 100 nm, to a method for manufacturing the polyolefin and to a metallocene catalyst for manufacturing the same. According to embodiments of the present invention, a polyolefin having excellent thermal stability can be provided. COPYRIGHT KIPO 2017 (AA) Example 1 ...

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Номер записи: 12
01-02-2018 дата публикации

HIGH-PROCESSABILITY HIGH-DENSITY ETHYLENE-BASED POLYMER USING HYBRID SUPPORTED METALLOCENE CATALYST, AND PREPARATION METHOD THEREFOR

Номер: WO2018021656A1
Автор: LEE, In Jun, KANG, Won Jun, KIM, Dong Ok, YANG, Song Hee, LEE, Sung Woo, JEONG, Dong Wook, JOUNG, Ui Gab
Принадлежит:

The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene, and at least one type of comonomer selected from the group consisting of an α-olefin, a cyclic olefin, and linear, branched, and cyclic dienes. According to the present invention, a high-density ethylene resin has wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability by having a long-chain branched structure, and has excellent mechanical properties since the distribution of comonomers is concentrated in a high-molecular-weight part. The high-density ethylene polymer of the present invention has excellent molding processability during a process such as extrusion, compression, injection and rotational molding by having excellent mechanical properties and melt flowability.

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Номер записи: 13
08-05-2014 дата публикации

SCAFFOLD-TRANSITION METAL HYDRIDE ION COMPOSITE FOR HYDROGEN STORAGE AND PREPARATION METHOD THEREFOR

Номер: WO2014069858A1
Автор: KIM, Dong Wook, KIM, Dong Ok, KIM, Ah Reum, PARK, Hye Ran, SAGONG, Gil, SHIN, Seung Hwan, LEE, Bun Yeoul, IHM, Ji Soon, JOUNG, Ui Gab
Принадлежит:

The present invention relates to: a scaffold-transition metal hydride ion composite for hydrogen storage which is a hydrogen storage material for adsorbing hydrogen by Kubas binding, can safely and reversibly store hydrogen in a high capacity, shows more improved hydrogen storage characteristics and hardly causes structural collapse even if the adsorption and desorption of hydrogen is repeated; and a preparation method therefor. The a scaffold-transition metal hydride ion composite for hydrogen storage comprises: a scaffold material (SM) comprising a functional group introduced on the surface thereof; a Lewis acid which is bound on the scaffold material through the functional group; and a transition metal hydride ion which is bound to the Lewis acid.

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Номер записи: 14
12-04-2018 дата публикации

올레핀 중합체, 이의 제조방법 및 이의 제조를 위한 메탈로센 촉매

Номер: KR0101848365B1
Автор: 이인준, 정의갑, 장준호, 김라연, 박혜란, 사공길, 윤성철
Принадлежит: 한화케미칼 주식회사

... 발명은 평균 두께가 10 nm 이상 내지 100 nm 이하인 라멜라를 포함하는 올레핀 중합체, 이의 제조방법 및 이의 제조에 사용되는 메탈로센 촉매에 관한 것이다.

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Номер записи: 15
11-06-2020 дата публикации

METHOD FOR PREPARING CATALYST FOR OLEFIN POLYMERIZATION

Номер: WO2020116842A1
Автор: JEONG, Tae Uk, PARK, Hye Ran, LIM, Seongjae, JOUNG, Ui Gap, CHOI, Seungil
Принадлежит:

The present invention relates to a method for preparing a catalyst for olefin polymerization. Particularly, the present invention relates to a method for preparing a metallocene-supported catalyst capable of preparing a polyolefin with suppressed gel formation. In the method for preparing a metallocene-supported catalyst, according to a specific example of the present invention, by supporting a transition metal compound and then treating same with a metal stearate, the production of a polyolefin which is a macromolecule is suppressed, thereby preparing a polyolefin with minimized gel formation.

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Номер записи: 16
18-06-2020 дата публикации

METHOD FOR PREPARING OLEFIN POLYMERIZATION CATALYST

Номер: WO2020122500A1
Автор: LIM, Seongjae, PARK, Hye Ran, JOUNG, Ui Gap, JEONG, Tae Uk, CHOI, Seungil
Принадлежит:

The present invention relates to a method for preparing an olefin polymerization catalyst. Particularly, the present invention relates to a method, for preparing a supported metallocene catalyst, which enhances the operation stability during olefin polymerization by treating a supported metallocene catalyst with an antistatic agent. A method for preparing a supported metallocene catalyst according to a specific example of the present invention can enhance the operation stability during olefin polymerization by treating a supported metallocene catalyst with an antistatic agent by means of an improved method.

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Номер записи: 17
06-09-2018 дата публикации

신규한 4족 전이금속 화합물 및 이의 용도

Номер: KR0101895649B1
Автор: 정의갑, 사공길, 전성해, 김동옥, 박혜란, 이인준
Принадлежит: 한화케미칼 주식회사

... 본 발명은 신규한 4족 전이금속 화합물, 상기 화합물의 제조방법, 상기 화합물을 포함하는 촉매 조성물 및 상기 촉매 조성물 존재하에, 올레핀 단량체의 중합반응을 수행하는 단계를 포함하는 폴리올레핀의 제조방법에 관한 것이다. 본 발명의 4족 전이금속 화합물은 폴리올레핀 합성 반응에 있어서 우수한 촉매 활성을 나타낼 뿐만 아니라 열적 안정성이 뛰어나므로, 고온에서의 폴리올레핀 합성 반응에도 사용가능하며, 중심 금속 및 리간드의 종류를 변화시킴으로써 합성된 폴리올레핀의 중량평균분자량 및 상기 중합체 중 옥텐 함량을 조절할 수 있으므로, 그레이드가 조절된 폴리올레핀 합성 공정에 유용하게 사용될 수 있다.

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Номер записи: 18
21-06-2018 дата публикации

HIGHLY PROCESSABLE HIGH-DENSITY ETHYLENE-BASED POLYMER USING HYBRID SUPPORTED METALLOCENE CATALYST AND METHOD FOR PREPARING SAME

Номер: WO2018110915A1
Автор: LEE, In Jun, KANG, Won Jun, KIM, Dong Ok, YANG, Song Hee, LEE, Sung Woo, JEONG, Dong Wook, JOUNG, Ui Gab
Принадлежит:

The present invention relates to a high-density ethylene-based polymer composed of an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of α-olefins, cyclic olefins, and linear, branched, and cyclic dienes. A high-density polyethylene resin according to the present invention has a wide molecular weight distribution and excellent comonomer distribution characteristics, and has excellent melting fluidity due to a long-chain branched structure, and has excellent mechanical properties due to a concentrated distribution of comonomers in a high-molecular weight material. The high-density ethylene polymer of the present invention has excellent molding processability during processing, such as extrusion, compression, injection, and rotation molding, due to excellent mechanical properties and melt fluidity.

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Номер записи: 19
13-02-2017 дата публикации

HIGH DENSITY ETHYLENE POLYMER USING HYBRID SUPPORTED METALLOCENE CATALYST AND MANUFACTURING METHOD THEREOF

Номер: KR101706073B1
Автор: LEE, IN JUN, KANG, WON JUN, KIM, DONG OK, YANG, SONG HEE, LEE, SUNG WOO, JEONG, DONG WOOK, JOUNG, UI GAB
Принадлежит: HANWHA CHEMICAL CORPORATION

The present invention relates to a high density ethylene polymer consisting of ethylene-exclusive monomers or a copolymer of ethylene and at least one comonomer selected from the group consisting of alpha olefin, ring-shaped olefin and linear, branching and ring-shaped diene. According to the present invention, the high density ethylene polymer has excellent wide molecular weight distribution and comonomer distribution properties; and has excellent melting flowability by having a long chain branch structure; and has excellent mechanical properties since comonomer distribution is concentrated in a polymer. Also, the high density ethylene polymer has excellent processability in processes such as extrusion, compression, injection, rotating molding, etc. COPYRIGHT KIPO 2017 (AA) Mold flowability (cm) (BB) Example 4 (CC) Comparative example 1 (DD) Comparative example 2 (EE) Comparative example 3 (FF) Injection pressure (Mpa) ...

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Номер записи: 20
19-12-2018 дата публикации

온수 매트 보일러용 필터 장치

Номер: KR0101908118B1
Автор: 정의갑, 장철섭
Принадлежит: 한국폴리텍Ⅱ대학 산학협력단, 정의갑

... 본 발명은 온수 매트 보일러에 설치된 온수에 포함되는 이물질 및 유해 물질을 걸러내는 필터 장치로서, 필터가 내장된 필터 케이스의 측부에 가이드부가 구비된 필터부; 보일러 본체와 연결되는 유입구를 구비하고, 매트와 연결되어 온수를 공급하는 출구를 구비하고, 내부에 상기 필터부의 가이드부가 끼워져 조립되는 레일이 구비된 본체; 상기 유입구와 필터부, 필터부와 출구 사이에 설치되어 온수를 유입시키고 이물질이 걸러진 온수를 출구로 안내하는 관체부; 상기 본체에 덮어지며, 저면에 상기 필터 케이스와 연결되어, 본체에서 분리할 때 필터부가 함께 분리되도록 하는 연결부가 구비된 덮개; 로 구성된 기술적인 특징을 갖는 것으로 달성된다.

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Номер записи: 21
04-07-2016 дата публикации

NOVEL GROUP VI TRANSITION METAL COMPOUND AND USES THEREOF

Номер: KR1020160077487A
Автор: JOUNG, UI GAB, SAGONG, KIL, JUN, SUNG HAE, KIM, DONG OK, PARK, HYE RAN, LEE, IN JUN
Принадлежит:

The present invention relates to a novel group VI transition metal compound, to a manufacturing method of the compound, to a catalyst composition comprising the compound, and to a manufacturing method of a polyolefin. The manufacturing method of a polyolefin comprises a step of performing a polymerization reaction of an olefin monomer, in the presence of the catalyst composition. The group VI transition metal compound of the present invention exhibits excellent catalytic activities in a polyolefin synthesis reaction, and has excellent thermal stability, thereby being used in the polyolefin synthesis reaction at high temperatures. The weight average molecular weight of the synthesized polyolefin and the octane content of the polymer can be controlled by changing the type of ligands and central metals, thereby being efficiently used for the grade-regulated polyolefin synthesis process. COPYRIGHT KIPO 2016 ...

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Номер записи: 22
03-01-2017 дата публикации

HIGH DENSITY ETHYLENE POLYMER USING SUPPORTED HYBRID METALLOCENE CATALYST AND METHOD FOR PRODUCING SAME

Номер: KR101692346B1
Автор: JOUNG, UI GAB, JEONG, DONG WOOK, KANG, WON JUN, KIM, DONG OK, YANG, SONG HEE, LEE, IN JUN
Принадлежит: HANWHA CHEMICAL CORPORATION

The present invention relates to a high-density ethylene polymer comprising ethylene homopolymer or a copolymer of ethylene with at least one comonomer selected from the group consisting of alpha-olefins, cyclic olefins, and linear, branched and cyclic dienes. The high-density ethylene polymer according to the present invention shows broad molecular weight distribution and excellent comonomer distribution properties, and has a long-chain branched structure and excellent melt flowability. The high-density ethylene polymer shows distribution of the comonomer concentrated at a high-molecular weight polymer, and thus has excellent mechanical properties. The high-density ethylene polymer according to the present invention having excellent mechanical properties and melt flowability provides excellent molding processability during the processes, such as extrusion, compression, injection and rotary molding. COPYRIGHT KIPO 2017 (AA) Example 3 (BB) Example 4 (CC) Example 8 ...

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Номер записи: 23
02-11-2017 дата публикации

FILTER DEVICE FOR HOT WATER MAT BOILER

Номер: KR1020170121363A
Автор: JUNG, EUI KAP, JANG, CHUL SUB
Принадлежит:

The present invention relates to a filter device for filtering foreign matter and harmful substances contained in hot water and being installed in a hot water mat boiler, the filter device comprising: a filter unit having a guide unit on a side of a filter case having a filter therein; a main body provided with an inlet connected to a boiler main body and having an outlet connected to a mat for supplying hot water and having a guide fitted in the guide unit of the filter unit; a tubular unit installed between the inlet and the filter unit, and the filter unit and the outlet for guiding the hot water into the outlet, and guiding the hot water without the foreign matter to the outlet; a cover covering the main body, connected to the filter case on a bottom surface, and provided with a connecting unit for separating the filter unit together when separated from the main body, thereby capable of providing a filter device which facilitates replacement of the filter. COPYRIGHT KIPO 2017 ...

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Номер записи: 24
02-11-2018 дата публикации

신규한 4족 전이금속 화합물 및 이의 용도

Номер: KR0101914326B1
Автор: 정의갑, 김동옥, 김동욱, 김아름, 박혜란, 사공길, 전성해, 이춘선, 황은영
Принадлежит: 한화케미칼 주식회사

... 본 발명은 신규한 4족 전이금속 화합물, 상기 화합물의 제조방법, 상기 화합물을 포함하는 촉매 조성물 및 상기 촉매 조성물 존재하에, 올레핀 단량체의 중합반응을 수행하는 단계를 포함하는 폴리올레핀의 제조방법에 관한 것이다. 본 발명의 4족 전이금속 화합물은 폴리올레핀 합성 반응에 있어서 우수한 촉매 활성을 나타낼 뿐만 아니라 열적 안정성이 뛰어나므로, 고온에서의 폴리올레핀 합성 반응에도 사용가능하며, 중심 금속 및 리간드의 종류를 변화시킴으로써 합성된 폴리올레핀의 중량평균분자량 및 상기 중합체 중 옥텐 함량을 조절할 수 있으므로, 그레이드가 조절된 폴리올레핀 합성 공정에 유용하게 사용될 수 있다.

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Номер записи: 25
07-06-2018 дата публикации

METALLOCENE CATALYST SYSTEM COMPRISING OPERATIONALLY STABLE COMPOSITION, AND METHOD FOR PRODUCING POLYOLEFIN BY MEANS OF METALLOCENE CATALYST SYSTEM

Номер: WO2018101794A9
Автор: CHOI, Hye Sun, KIM, Dong Ok, SEO, Jun Ho, JEONG, Dong Wook, HEO, Eun Jung, JOUNG, Ui Gab, CHOI, Seung Il
Принадлежит:

The present invention relates to a metallocene catalyst system comprising an operationally stable composition, and a method for producing polyolefin by means of the metallocene catalyst system. More specifically, by utilizing the metallocene catalyst system comprising: 90-99.9 wt% metallocene compound of one or more types; and 0.1-10 wt% operationally stable composition comprising one or more types of compounds selected from the group consisting of sulfate, sulfonate, phosphate, and carboxylate, and one or more types of white mineral oil, the unique activity of the catalyst is maintained and fouling and agglomeration phenomena are minimized during olefin polymerization to allow the process to be stably carried out, and thus by means of the present invention, a method for producing polyolefin can be provided, and produced polyolefin can be provided.

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Номер записи: 26
02-05-2019 дата публикации

HIGH-DENSITY ETHYLENE-BASED POLYMER USING SUPPORTED HYBRID METALLOCENE CATALYST, AND PIPE USING SAME

Номер: WO2019083151A1
Автор: LEE, In Jun, LIM, Yu Jeong, KIM, Dong Ok, PARK, Jeong Hyun, LEE, Sung Woo, JEONG, Dong Wook, JOUNG, Ui Gab
Принадлежит:

The present invention relates to an ethylene-based polymer using a supported hybrid metallocene catalyst, and a pipe using the same and, more specifically, to a pipe using a high-density ethylene-based polymer, the pipe having better swelling ratio and melt tension than a conventional polyethylene resin pipe, and thus is advantageous in extrusion molding.

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Номер записи: 27
20-06-2019 дата публикации

ETHYLENE-BASED POLYMER HAVING EXCELLENT LONG-TERM PRESSURE RESISTANCE CHARACTERISTICS, AND PIPE USING SAME

Номер: WO2019117443A1
Автор: JOUNG, Ui Gab, PARK, Hye Ran, LIM, Seong Jae, LIM, Yu Jeong, JEONG, Tae Uk, KU, Il Hwae, KIM, Dong Ok, JEONG, Dong Wook
Принадлежит:

The present invention relates to an ethylene-based polymer having excellent long-term pressure resistance characteristics, and a pipe using the same and, more specifically, to: an ethylene-based polymer satisfying the balance between excellent mechanical properties and excellent moldability better than a conventional ethylene-based polymer; and a pipe using the same. The present invention relates to: an ethylene-based polymer having a wide molecular weight distribution, and having long-chain branches so as to have a thin lamellar thickness, thereby having excellent long-term pressure resistance characteristics due to an increase in tie molecules; and a pipe using the same.

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Номер записи: 28
02-11-2017 дата публикации

HIGH-DENSITY ETHYLENE-BASED POLYMER USING HYBRID SUPPORTED METALLOCENE CATALYST, AND PREPARATION METHOD

Номер: WO2017188569A1
Автор: JOUNG, Ui Gab, JEONG, Dong Wook, KANG, Won Jun, KIM, Dong Ok, YANG, Song Hee, LEE, In Jun
Принадлежит:

The present invention relates to a high-density ethylene-based polymer comprising: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of α-olefins, cyclic olefins and linear, branched and cyclic dienes. According to the present invention, the high-density ethylene-based polymer has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.

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Номер записи: 29
22-05-2017 дата публикации

METALLOCENE CATALYST SYSTEM INCLUDING OPERATION STABILIZING COMPOSITION, AND METHOD FOR PRODUCING POLYOLEFIN BY USING SAME

Номер: KR101738827B1
Автор: CHOI, HYE SUN, KIM, DONG OK, SEO, JUN HO, JEONG, DONG WOOK, HEO, EUN JUNG, JOUNG, UI GAB, CHOI, SEUNG IL
Принадлежит: HANWHA CHEMICAL CORPORATION

The present invention relates to a metallocene catalyst system including an operation stabilizing composition, and to a method for producing polyolefin by using the same. More specifically, the metallocene catalyst system comprises: 90 to 99.9 wt% of at least one metallocene compound; and 0.1 to 10 wt% of an operation stabilizing composition including at least one compound selected from the group consisting of sulfate, sulfonate, phosphate, and carboxylate and at least one kind of white mineral oil. When olefin is polymerized, intrinsic activities of a catalyst are maintained, and fouling and agglomeration are minimized. Thus, a process can be stably operated. By using the present invention, a method for producing polyolefin and produced polyolefin can be provided. COPYRIGHT KIPO 2017 (AA) Polymerization kinetic comparison (BB) Embodiment 1 (CC) Comparative example 1 ...

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Номер записи: 30
03-03-2016 дата публикации

NOVEL GROUP 4 TRANSITION METAL COMPOUND AND USE THEREOF

Номер: WO2016032280A1
Автор: JOUNG, Ui Gab, KIM, Dong Ok, KIM, Dong Wook, KIM, Ah Reum, PARK, Hye Ran, SAGONG, Kil, JUN, Sung Hae, LEE, Chun Sun, HWANG, Eun Yeong
Принадлежит:

The present invention relates to a novel group 4 transition metal compound, a method for preparing the compound, a catalyst composition containing the compound, and a method for preparing a polyolefin, comprising a step for performing a polymerization reaction of olefin monomers in the presence of the catalyst composition. The group 4 transition metal compound of the present invention exhibits an excellent catalytic activity and has excellent thermal stability in a polyolefin synthesis reaction, and thus can be used even in a polyolefin synthesis reaction at a high temperature. In addition, the compound of the present invention can be advantageously used in the synthesis process of grade-controlled polyolefin since the weight average molecular weight of the synthesized polyolefin and the octene content in the polymer can be adjusted by varying the kinds of center metal and ligand.

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Номер записи: 31
06-09-2018 дата публикации

신규한 4족 전이금속 화합물 및 이의 용도

Номер: KR0101895650B1
Автор: 정의갑, 사공길, 전성해, 김동옥, 박혜란, 이인준
Принадлежит: 한화케미칼 주식회사

... 본 발명은 신규한 4족 전이금속 화합물, 상기 화합물의 제조방법, 상기 화합물을 포함하는 촉매 조성물 및 상기 촉매 조성물 존재하에, 올레핀 단량체의 중합반응을 수행하는 단계를 포함하는 폴리올레핀의 제조방법에 관한 것이다. 본 발명의 4족 전이금속 화합물은 폴리올레핀 합성 반응에 있어서 우수한 촉매 활성을 나타낼 뿐만 아니라 열적 안정성이 뛰어나므로, 고온에서의 폴리올레핀 합성 반응에도 사용가능하며, 중심 금속 및 리간드의 종류를 변화시킴으로써 합성된 폴리올레핀의 중량평균분자량 및 상기 중합체 중 옥텐 함량을 조절할 수 있으므로, 그레이드가 조절된 폴리올레핀 합성 공정에 유용하게 사용될 수 있다.

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Номер записи: 32
03-03-2017 дата публикации

METALLOCENE ISOMER CATALYST AND POLYOLEFIN RESIN PRODUCED BY USING SAME

Номер: KR101712318B1
Автор: KIM, AH REUM, KIM, DONG OK, PIAO LAN HUA, JEONG, DONG WOOK, JOUNG, UI GAB
Принадлежит: HANWHA CHEMICAL CORPORATION

Provided is a meso metallocene catalyst for producing polyolefin, exhibiting excellent polymeric properties and high catalytic activities in the polymerization of alpha olefin and ethylene. Also, provided is polyolefin produced by using the metallocene isomer catalyst including a hybrid metallocene catalyst which is mixed with a meso metallocene compound and a racemic metallocene compound. COPYRIGHT KIPO 2017 ...

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Номер записи: 33
02-11-2017 дата публикации

BOILER FOR HEATING AND COOLING MAT

Номер: KR1020170121362A
Автор: JUNG, EUI KAP, JANG, CHUL SUB
Принадлежит:

The present invention relates to a boiler for a heating and cooling mat. Heating and cooling can be performed by circulating and supplying cold water or hot water to a mat connected to a pipe pathway through an operation of heating water by using a heater in accordance with a predetermined temperature or cooling water by using a cooling cycle through a heat pump. To achieve such a purpose, the boiler for a heating and cooling mat of the present invention comprises: a case (100); a water tank (200) installed in the case (100), having a water storage space (S) formed therein, and supplying water accommodated in the water storage space (S) by using a pump (250); a water supply port (300) connected to the water tank (200) through a pipe, attached to and detached from a mat (10), and supplying/circulating/returning water of the water tank (200) to the mat (10) by using one or more water discharging ports (310) and collecting ports (320); a heater unit (400) installed by using a heater coil ( ...

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Номер записи: 34
04-07-2016 дата публикации

NOVEL GROUP VI TRANSITION METAL COMPOUND AND USES THEREOF

Номер: KR1020160077488A
Автор: JOUNG, UI GAB, SAGONG, KIL, JUN, SUNG HAE, KIM, DONG OK, PARK, HYE RAN, LEE, IN JUN
Принадлежит:

The present invention relates to a novel group VI transition metal compound, to a manufacturing method of the compound, to a catalyst composition comprising the compound, and to a manufacturing method of a polyolefin. The manufacturing method of a polyolefin comprises a step of performing a polymerization reaction of an olefin monomer, in the presence of the catalyst composition. The group VI transition metal compound of the present invention exhibits excellent catalytic activities in a polyolefin synthesis reaction, and has excellent thermal stability, thereby being used in the polyolefin synthesis reaction at high temperatures. The weight average molecular weight of the synthesized polyolefin and the octane content of the polymer can be controlled by changing the type of ligands and central metals, thereby being efficiently used for the grade-regulated polyolefin synthesis process. COPYRIGHT KIPO 2016 ...

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Номер записи: 35
28-04-2011 дата публикации

POLYESTER RESIN AND TONER COMPRISING SAME

Номер: KR2011049404A2
Автор: JOUNG, Ui Gab, ROH, Hyung Jin, CHANG, Yun Ju, CHO, Sung Hwan, LIM, Byung Ho
Принадлежит:

The present invention relates to a polyester resin produced by adding an anti-hydrolysis agent to reactants comprising acids selected from alkylester of aromatic dibasic acid or a mixture of alkylester of aromatic dibasic ester and alkylester of aliphatic dibasic ester, aromatic diols, and aliphatic diols; and a toner produced using the same as a binder.

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Номер записи: 36
09-06-2015 дата публикации

POROUS TRANSITION METAL HYDRIDE COMPOSITE FOR HYDROGEN STORAGE AND METHOD FOR PREPARING SAME

Номер: KR1020150063268A
Автор: KIM, AH REUM, KIM, DONG OK, KIM, DONG WOOK, PARK, HYE RAN, SAGONG, GIL, LEE, BUN YEOUL, JOUNG, UI GAB, PARK, JI HAE, JUN, SUNG HAE
Принадлежит:

The present invention relates to a porous transition metal hydride composite for hydrogen storage and a method for preparing the same, wherein the porous transition metal hydride composite is a material for hydrogen storage using non-traditional bonding, such as Kubas binding, and can suck and store more hydrogens and prevent structural collapse during repetitive sucking/detaching of hydrogens. A porous transition metal hydride composite is represented by chemical formula 1 or 2, is a polymer having connecting structure due to hydride ligands, and has a porosity having BET surface area of not less than 10 m^2/g. The chemical formula 1 is [M^1_aH_bL^1_d]_n. The chemical formula 2 is [M^1_aH_bL^1_dA^1_c]_n. In the chemical formulae 1 and 2, M^1 is at least one transition metal selected from the group of Titanium (Ti), zirconium (Zr), hafnium (Hf), vanadium (V), scandium (Sc), chromium (Cr), molybdenum (Mo), tungsten (W), iron (Fe), manganese (Mn) , nickel (Ni), and copper (Cu); L^1 is at ...

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Номер записи: 37
14-09-2017 дата публикации

HYBRID CATALYST COMPOSITION, PREPARATION METHOD THEREFOR, AND POLYOLEFIN PREPARED USING SAME

Номер: WO2017155149A1
Автор: JOUNG, Ui Gab, JEONG, Dong Wook, KIM, Ah Reum, CHOI, Seung Il
Принадлежит:

The present invention relates to a hybrid catalyst composition comprising: a first transition metal compound represented by chemical formula 1 and a second transition metal compound represented by chemical formula 2, the chemical formulas being different from each other. The hybrid catalyst composition comprising the first and second transition metal compounds exhibits high catalytic activity and can prepare a polyolefin having processability and mechanical properties.

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Номер записи: 38
28-04-2011 дата публикации

POLYESTER RESIN AND TONER COMPRISING SAME

Номер: WO2011049404A3
Автор: JOUNG, Ui Gab, ROH, Hyung Jin, CHANG, Yun Ju, CHO, Sung Hwan, LIM, Byung Ho
Принадлежит:

The present invention relates to a polyester resin produced by adding an anti-hydrolysis agent to reactants comprising acids selected from alkylester of aromatic dibasic acid or a mixture of alkylester of aromatic dibasic ester and alkylester of aliphatic dibasic ester, aromatic diols, and aliphatic diols; and a toner produced using the same as a binder.

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Номер записи: 39
20-05-2016 дата публикации

HOT WATER MAT BOILER

Номер: KR1020160056536A
Автор: JUNG, EUI KAP
Принадлежит:

The present invention relates to a hot water mat boiler, and more specifically, to the hot water mat boiler which can provide a heating function by supplying and circulating hot water to a mat in accordance with a specified temperature, and especially, can simplify the whole structure of the boiler by performing water supply and return at the same time with one water tank while configuring the water tank to be assembled without a fastening member like a bolt or a screw, and can achieve productivity improvement and manufacturing costs reduction by reducing assembling time remarkably. To achieve the mentioned objective, the hot water mat boiler of the present invention includes: a body (110) which has a lower part opened, and accommodates water in a space formed inside; a drainage cap (120) which maintains airtightness by being assembled to an opened side of the lower part of the body (110), and supplies and returns the stored water using a supply hole (122) and a return hole (123) penetrating ...

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Номер записи: 40
02-11-2017 дата публикации

ISOMERIC METALLOCENE CATALYST AND POLYOLEFIN RESIN PREPARED USING SAME

Номер: WO2017188588A1
Автор: KIM, Ah Reum, KIM, Dong Ok, PIAO, Lan Hua, JEONG, Dong Wook, JOUNG, Ui Gab
Принадлежит:

The present invention provides: a meso metallocene catalyst for preparing a polyolefin exhibiting excellent polymer properties while having superior catalytic activity in ethylene and α-olefin polymerization; and a polyolefin prepared using an isomeric metallocene catalyst comprising a hybrid metallocene catalyst, which is a mixture of a meso metallocene compound and a racemic metallocene compound.

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Номер записи: 41
02-11-2017 дата публикации

HYBRID SUPPORTED METALLOCENE CATALYST, AND POLYOLEFIN RESIN HAVING EXCELLENT PROCESSABILITY AND USING SAME

Номер: WO2017188602A1
Автор: JEONG, Dong Wook, KIM, Dong Ok, JOUNG, Ui Gab
Принадлежит:

The present invention relates to: a hybrid supported metallocene catalyst comprising one or more first metallocene compounds, one or more second metallocene compounds, one or more cocatalyst compounds, and a support; a preparation method therefor; and a polyolefin resin polymerized in the presence of the catalyst, wherein the second metallocene compound is a compound of a bridged structure having a ligand of an asymmetric structure, and the polyolefin resin has a density of 0.910-0.960 g/cm3, has a molecular weight density in a unimodal distribution of 3-5, and has a melt index of 0.05-100 at 2.16 kg and a melt flow index of 20-40.

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Номер записи: 42
18-01-2019 дата публикации

온수 패널 및 이를 이용한 바닥 난방용 조립체

Номер: KR0101940195B1
Автор: 정의갑
Принадлежит: 정의갑

... 본 발명은 주거용, 사무용 건물의 방이나 거실의 바닥에 시공되어 보일러에서 공급되는 온수를 이용해 난방을 수행하는 것이며, 온수 순환 배관을 매설한 복수의 개별 패널을 이용해 바닥에 간편하게 설치되게 하여 시공성을 향상시키고, 바닥 전체에 균일한 난방을 수행할 수 있게 하는 온수 패널 및 이를 이용한 바닥 난방용 조립체에 관한 것이다. 이와 같은 목적을 해결하기 위해 본 발명은; 제1관(120)을 이용해 온수를 공급 및 회수하는 입출수 패널(100)과; 상기 입출수 패널(100)의 측단에 메인베이스(210)를 이용해 결합되되, 그 메인베이스(210)의 일면에 상기 제1관(120)에 연결되는 직선형의 제2관(220)이 삽입되어, 상기 제2관(220)에 온수가 공급 및 순환하면서 난방을 위한 전열을 수행하게 하는 하나 또는 그 이상의 메인 패널(200)과; 상기 입출수 패널(100)의 반대쪽에서 메인 패널(200)의 측단에 결합되되, 상기 다수의 제2관(220)에 제3관(320)이 관 이음으로 연결되어 상기 제3관(320)을 통해 제2관(220)의 온수 순환을 유도하는 마감 패널(300)을 포함하여 구성된다.

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Номер записи: 43
30-04-2018 дата публикации

HOT WATER PANEL AND FLOOR HEATING ASSEMBLY USING SAME

Номер: KR1020180043638A
Автор: JUNG, EUI KAP
Принадлежит:

The present invention relates to a hot water panel and a floor heating assembly using the same. The hot water panel performs heating by using hot water supplied from a boiler by being built on the floor of a room or a living room of a residential building or an office building, improves constructability by being conveniently installed on a floor by using a plurality of individual panels in which hot water circulation pipes are buried, and performs uniform heating on the entire floor. To achieve this purpose, the hot water panel of the present invention comprises: an inlet and outlet panel (100) for supplying and collecting hot water by using a first pipe (120); one or more main panels (200) coupled to a side end of the inlet and outlet panel (100) by using a main base (210), having a linear second pipe (220) connected to the first pipe (120) on one surface of the main base (210), and performing pre-heating for heating while supplying and circulating hot water to the second pipe (220); and ...

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Номер записи: 44