Поиск патентов

14-05-2020 дата публикации

PROPYLENE COPOLYMER RESIN COMPOSITION AND PREPARATION METHOD THEREFOR

Номер: WO2020096250A1

Автор: PARK, Heekwang, CHAE, Seong Min, NOH, Kyung Seop, JEON, Sangjin, LEE, Hyunsup, YE, Jihwa

Принадлежит:

The present invention provides: a propylene copolymer resin composition which, during the manufacturing of a non-woven fabric, enables excellent strength properties to be maintained and softness to be improved; and a preparation method therefor.

Подробнее

Номер записи: 1

17-01-2018 дата публикации

PREPARATION METHOD OF METALLOCENE CATALYST FOR PREPARING POLYOLEFIN

Номер: KR1020180006319A

Автор: PARK, HEE KWANG, LEE, HYE KYUNG, KIM, BYUNG SEOK, CHEONG, JAE YOUP, JEON, SANG JIN

Принадлежит:

The present invention relates to a preparation method of a high purity metallocene catalyst capable of providing various selectivity and high activity for polyolefin copolymers, and particularly, after forming a metallocene compound by reacting a ligand compound with a zirconium compound, a step of converting lithium chloride contained in the metallocene compound as a reaction by-product into a complex compound form is added, to effectively remove the catalyst in the next step after the extraction of the catalyst and to produce a high-purity metallocene catalyst. COPYRIGHT KIPO 2018 (AA) Example 1 (BB) Comparative example 1 ...

Подробнее

Номер записи: 2

05-10-2022 дата публикации

폴리프로필렌 수지 조성물 및 이로부터 제조된 부직포

Номер: KR20220134483A

Автор: 노경섭, 박희광, 채성민, 예지화

Принадлежит:

... 본 발명은 특정 구조의 메탈로센 화합물 존재 하에 연속 반응기를 이용하여 제조한 에틸렌 프로필렌계 공중합체를 포함하는 폴리프로필렌 수지 조성물에 관한 것으로, 좁은 분자량 분포와 함께 자일렌 가용분, 에틸렌 함량, 용융지수, 결정화 온도, 인장강도 및 굴곡탄성율을 최적화함으로써, 우수한 가공성과 함께 높은 강도를 유지하며 기존 제품보다 소프트한 부직포를 제조할 수 있는 폴리프로필렌 수지 조성물 및 이로부터 제조된 부직포가 제공된다.

Подробнее

Номер записи: 3

04-07-2019 дата публикации

HOMOPOLYPROPYLENE AND PREPARATION METHOD THEREFOR

Номер: WO2019132421A1

Автор: KIM, Taejin, PARK, Ha Na, CHAE, Seong Min, JUNG, In Yong, LEE, Daeyeon, YE, Jihwa, PARK, Heekwang

Принадлежит:

The present invention provides: homopolypropylene exhibiting excellent processability and an excellent mechanical property, such as high strength, and the like; and a preparation method therefor. The homopolypropylene has i) a molecular weight distribution of less than 2.4, ii) a melting index (measured by a load of 2.16 kg at 230°C according to ASTM D1238) of 5-3000 g/10 min, iii) a residual stress ratio of 0.5% or less, and iv) a complex viscosity of 5-600 Pa·s at an angular frequency of 1 rad/s, and satisfies a complex viscosity of 5-300 Pa·s at an angular frequency of 100 rad/s.

Подробнее

Номер записи: 4

04-07-2017 дата публикации

METALLOCENE COMPOUND AND PRODUCTION METHOD OF POLYOLEFIN USING SAME

Номер: KR1020170076243A

Автор: CHOI, RA YUN, NOH, KYUNG SEOP, JEON, SANG JIN, LEE, IN SUN, LEE, HYE KYUNG, CHEONG, JAE YOUP, PARK, HEE KWANG, LEE, SANG HOON

Принадлежит:

The present invention relates to a metallocene compound having a novel structure capable of producing the high molecular weight polyolefin with high activity, and a production method of polyolefin using the same. The metallocene compound having a novel structure is represented by chemical formula 1. COPYRIGHT KIPO 2017 ...

Подробнее

Номер записи: 5

20-04-2018 дата публикации

PRODUCTION METHOD OF POLYPROPYLENE

Номер: KR1020180040405A

Автор: KIM, SEOK HWAN, LEE, HYE KYUNG, KIM, BYUNG SEOK, PARK, HEE KWANG, JEON, SANG JIN

Принадлежит:

The present invention relates to a production method of polypropylene, and more specifically, to a production method of polypropylene which uses a metallocene supported catalyst prepared by specifying the order of carrying a promoter and a catalyst precursor on a carrier, and particularly the carrying condition of the promoter. According to the production method of the present invention, polypropylene with a low molecular weight can be produced without preliminary polymerization as in conventional methods by increasing the molecular weight reduction according to the addition of hydrogen. COPYRIGHT KIPO 2018 (AA) Example 1 (BB) Example 2 (CC) Example 3 ...

Подробнее

Номер записи: 6

23-05-2017 дата публикации

다이아민 기반의 포스트 메탈로센형 전이금속 촉매

Номер: KR0101739164B1

Автор: 김석환, 정재엽, 김원희, 전상진, 박희광

Принадлежит: 주식회사 엘지화학

... 본 발명은 다이아민 기반의 포스트 메탈로센형 리간드, 상기 리간드 화합물을 포함하는 유기금속 화합물, 상기 유기 금속 화합물을 포함하는 촉매 조성물과 이의 제조방법 및 상기 촉매 조성물을 이용한 올레핀계 중합체의 제조방법을 제공한다.

Подробнее

Номер записи: 7

28-05-2015 дата публикации

PREPARATION METHOD OF PROPYLENE-BASED POLYMER

Номер: KR1020150058065A

Автор: AN, SANG EUN, PARK, HEE KWANG, NOH, KYUNG SEOP, JEON, SANG JIN

Принадлежит:

The present invention relates to a preparation method of a propylene-based polymer. The preparation method of a propylene-based polymer according to the present invention can effectively prepare a propylene-based polymer having a large molecular weight and balanced properties by using a metallocene catalyst for excellent propylene homo polymerization activation and alpha olefin copolymerization activation. The method includes polymerizing propylene or propylene and alpha-olefin having at least four carbon atoms in presence of a catalyst composition having a transition metal compound represented by the following chemical formula 1. COPYRIGHT KIPO 2015 ...

Подробнее

Номер записи: 8

28-06-2017 дата публикации

TRANSITION METAL COMPOUND, CATALYST COMPOSITION CONTAINING SAME, AND METHOD FOR PRODUCING OLEFIN POLYMER USING SAME

Номер: KR1020170073439A

Автор: LEE, HYE KYUNG, PARK, HEE KWANG, NOH, KYUNG SEOP, JEON, SANG JIN, AN, SANG EUN, CHOI, RA YUN

Принадлежит:

According to the present invention, provided is a transition metal compound which is highly reactivity to hydrogen and has a structure showing high selectivity to optical isomers among various stereoisomers during synthesis. Moreover, provided are a catalyst composition containing the same, and a method for producing an olefin polymer using the catalyst composition. The use of the transition metal compound of the present invention enables the production of olefin polymers which is ultra highly fluidic compared to existing catalysts with the same amount of hydrogen. Accordingly, it is possible to provide olefin polymers useful for producing melt-blown fibers by using the transition metal compound. COPYRIGHT KIPO 2017 ...

Подробнее

Номер записи: 9

24-05-2018 дата публикации

METHOD FOR PRODUCING POLYPROPYLENE

Номер: KR1020180054357A

Автор: PARK, HA NA, AN, SANG EUN, LEE, IN SUN, PARK, HEE KWANG, JEON, SANG JIN

Принадлежит:

The present invention provides a method for producing a polypropylene, which can obtain a polymer which can be easily carried without fouling during the polymerization by effectively carrying a catalyst having no tether, and moreover, which generates a little generation of fine particles as there is no catalyst to be etched in a carrier and can improve the strength and durability of a polymer. COPYRIGHT KIPO 2018 (AA) Comparative example 2_H2 5bar (BB) Example 2_H2 5bar (CC) Example 3_H2 5bar ...

Подробнее

Номер записи: 10

25-04-2018 дата публикации

METHOD FOR PREDICTING POSSIBILITY OF CUTTING FROM RHEOLOGICAL PROPERTIES OF SYNTHETIC RESINS IN MELT BLOWING PROCESS

Номер: KR1020180042024A

Автор: LEE, HYUN SUP, LEE, KI SOO, JEON, SANG JIN, AN, SANG EUN, LEE, MYUNG HAN, PARK, HEE KWANG, KIM, SANG EUN, LEE, SANG HOON

Принадлежит:

The present invention relates to a method for predicting possibility of cutting from rheological properties of synthetic resins in a melt blowing process. According to the present invention, by measuring the rheological properties of the synthetic resins, provided is a method for early predicting possibility of occurrence of cutting in a melt blowing process to produce filaments by using synthetic resins. COPYRIGHT KIPO 2018 ...

Подробнее

Номер записи: 11

04-09-2017 дата публикации

인덴기를 갖는 메탈로센형 촉매 및 이를 이용한 올레핀 중합체의 제조방법

Номер: KR0101774615B1

Автор: 박하나, 이용호, 전상진, 안상은, 김석환, 박희광

Принадлежит: 주식회사 엘지화학

... 본 발명은 인덴 유도체와 아민 유도체가 결합된 형태의 리간드, 상기 리간드 화합물을 포함하는 유기 금속 화합물, 상기 유기 금속 화합물을 포함하는 촉매 조성물과 이의 제조방법 및 상기 촉매 조성물을 이용한 올레핀 중합체의 제조방법에 관한 것이다.

Подробнее

Номер записи: 12

31-12-2015 дата публикации

ANSA-METALLOCENE COMPOUND AND SUPPORT CATALYST PRODUCTION METHOD USING SAME

Номер: KR1020150146101A

Автор: PARK, HEE KWANG, AN, SANG EUN, CHOI, RA YUN, KIM, BYUNG SEOK, JEON, SANG JIN

Принадлежит:

The present invention relates to an ansa-metallocene compound with a novel structure, which can offer a variety of selectivities, activities, and high rigidity with respect to a polyolefin copolymer. The present invention further relates to a production method thereof, and to a polyolefin production method using the ansa-metallocene compound. COPYRIGHT KIPO 2016 ...

Подробнее

Номер записи: 13

21-04-2023 дата публикации

프로필렌-부텐 공중합체 및 그 제조방법

Номер: KR102524951B1

Автор: 노경섭, 전상진, 박희광, 채성민, 김태진, 이대연, 예지화

Принадлежит: 주식회사 엘지화학

... 본 발명에서는 우수한 투명성과 함께 높은 인장강도와 굴곡강도의 특성을 가져, 고투명성 및 고강성이 요구되는 사출 성형품, 더 나아가 두께가 얇은 사출 성형품의 제조에 유용한, 프로필렌-부텐 공중합체 및 그의 제조 방법이 제공된다.

Подробнее

Номер записи: 14

07-05-2020 дата публикации

PROPYLENE RANDOM COPOLYMER

Номер: WO2020091420A1

Автор: YE, Jihwa, KIM, Taejin, NOH, Kyung Seop, PARK, Heekwang, CHAE, Seong Min, LEE, Daeyeon

Принадлежит:

The present invention relates to a propylene random copolymer having excellent processability. The propylene random copolymer according to the present invention exhibits a low shrinkage rate together with high rigidity and flexural modulus, and thus can be utilized in the manufacturing of a product for thin wall injection molding.

Подробнее

Номер записи: 15

11-01-2018 дата публикации

METHOD FOR PREPARING METALLOCENE CATALYST FOR PREPARING POLYOLEFIN

Номер: WO2018009016A3

Автор: PARK, Hee Kwang, LEE, Hye Kyung, KIM, Byung Seok, CHEONG, Jae Youp, JEON, Sang Jin

Принадлежит:

The present invention relates to a method for preparing a high-purity metallocene catalyst capable of providing varying selectivity and high activity to a polyolefin copolymer and, particularly, can prepare a high-purity metallocene catalyst by adding, after forming a metallocene compound by reacting a ligand compound and a zirconium compound, a step of converting lithium chloride, which is contained as a reaction by-product in the metallocene compound, into a complex form, thereby effectively removing the same in the next step of extracting a catalyst.

Подробнее

Номер записи: 16

01-09-2016 дата публикации

고분자량 폴리올레핀 제조용 메탈로센 촉매 및 이의 제조방법

Номер: KR0101653356B1

Автор: 박희광, 김병석, 안상은, 이인선, 이혜경, 정재엽, 전상진

Принадлежит: 주식회사 엘지화학

... 본 발명은 폴리올레핀 공중합체에 대하여 다양한 선택성과 활성을 제공할 수 있는 새로운 구조의 메탈로센 화합물과 그 제조방법 및 상기 메탈로센 화합물을 이용한 폴리올레핀의 제조방법에 관한 것이다.

Подробнее

Номер записи: 17

24-06-2016 дата публикации

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

Номер: KR1020160073081A

Автор: CHEONG, JAE YOUP, AN, SANG EUN, LEE, IN SUN, LEE, HYE KYUNG, KIM, BYUNG SEOK, PARK, HEE KWANG, JEON, SANG JIN

Принадлежит:

According to the present invention, provided are a transition metal compound, a catalyst composition comprising the same, and a preparation method of an olefin polymer using the catalyst composition. More particularly, the transition metal compound can exhibit high activity during an olefin polymerization reaction, and can simply adjust characteristics of a synthesized olefin polymer such as molecular weight, melting point, crystallization temperature, and the like. The transition metal compound is represented by chemical formula 1. COPYRIGHT KIPO 2016 ...

Подробнее

Номер записи: 18

21-03-2018 дата публикации

METHOD FOR PRODUCING POLYPROPYLENE

Номер: KR1020180029775A

Автор: LEE, HYE KYUNG, KIM, BYUNG SEOK, LEE, IN SUN, KIM, SEOK HWAN, JEON, SANG JIN, PARK, HEE KWANG

Принадлежит:

The present invention relates to a method for producing polypropylene. More specifically, provided is a method for producing polypropylene which uses a supported catalyst capable of increasing catalytic activities more than twice without variation in physical properties of existing specifications, by remarkably increasing supporting efficiency without changes in a time, a temperature, a cocatalyst, and a catalyst precursor compared to prior arts. COPYRIGHT KIPO 2018 ...

Подробнее

Номер записи: 19

09-06-2016 дата публикации

NON-STRETCHED POLYPROPYLENE-BASED FILM

Номер: WO2016089174A1

Автор: NOH, Kyung Seop, CHOI, Ji Ho, PARK, Churl Young, LEE, Ki Soo, JEON, Sang Jin, PARK, Hee Kwang, LEE, Won-Sang, SEO, Ah Young

Принадлежит:

A terpolymer according to the present invention has a low melting point, a low-temperature sealing effect, and excellent transparency and strength, and thus a film manufactured from the terpolymer can be favorably used as a sealing layer of a non-stretched polypropylene-based film.

Подробнее

Номер записи: 20

23-09-2016 дата публикации

메탈로센 화합물, 이를 포함하는 촉매 조성물 및 이를 이용한 올레핀 중합체의 제조방법

Номер: KR0101659540B1

Автор: 박희광, 노경섭, 김원희, 전상진, 안상은, 이인선, 김석환, 박하나

Принадлежит: 주식회사 엘지화학

... 본 발명은 올레핀 중합 반응에서 높은 반응성을 나타낼 수 있을 뿐만 아니라 합성되는 올레핀 중합체의 화학적 구조, 분자량 분포, 기계적 물성 등의 특성을 용이하게 조절할 수 있는 전이금속 화합물, 이를 포함하는 촉매 조성물 및 상기 촉매 조성물을 이용한 올레핀 중합체의 제조 방법에 관한 것이다.

Подробнее

Номер записи: 21

27-10-2017 дата публикации

장섬유 강화용 올레핀 중합체의 제조 방법 및 장섬유

Номер: KR0101791231B1

Автор: 노경섭, 이기수, 전상진, 안상은, 최지호, 정재엽, 박희광, 이상훈

Принадлежит: 주식회사 엘지화학

... 본 발명은 고수율로 우수한 이소택티서티를 나타낼 수 있어 장섬유 강화 용도로 적합한 올레핀 중합체의 제조 방법과 상기 제조 방법에 따라 제조된 올레핀 중합체를 포함하는 장섬유를 제공한다. 상기 제조 방법에서는 특정 구조의 전이 금속 화합물을 2 종의 조촉매와 함께 담체에 담지한 담지 촉매를 이용하여 높은 수율로 우수한 이소택티서티(isotacticity)를 가지는 올레핀 중합체를 제공할 수 있으며, 상기 담지 촉매는 높은 활성, 우수한 공정 안정성 및 높은 수소 반응성을 나타내 규칙적이고 우수한 모폴로지(morphology)를 가지는 고유동률의 올레핀 중합체를 제공할 수 있다. 이러한 올레핀 중합체는 인장강도 및 굴곡강도 등의 기계적 물성이 우수하면서 높은 가공성을 나타내 장섬유 강화 수지로 매우 유용하며, 장섬유 강화 수지로 사용되어 범용 장섬유 강화 수지에 비해 TVOC가 현저하게 낮은 장점을 갖는다.

Подробнее

Номер записи: 22

29-12-2022 дата публикации

펠렛형 폴리프로필렌 수지 조성물 및 그 제조방법

Номер: KR102482938B1

Автор: 노경섭, 박희광, 채성민, 예지화

Принадлежит: 주식회사 엘지화학

... 본 발명에서는 우수한 내열성 및 산화안정성을 나타내며, 또 분해 촉진제의 사용 없이도 고유동성을 나타내어 세섬화가 가능한 펠렛형 폴리프로필렌 수지 조성물 및 그 제조방법이 제공된다.

Подробнее

Номер записи: 23

31-05-2018 дата публикации

METALLOCENE SUPPORTED CATALYST AND METHOD FOR PRODUCING POLYPROPYLENE USING SAME

Номер: WO2018097472A1

Автор: PARK, Jong Woo, LEE, Hye Kyung, KIM, Byung Seok, JEON, Sang Jin, CHEONG, Jae Youp, PARK, Hee Kwang

Принадлежит:

The present invention relates to a supported catalyst comprising a novel metallocene compound having excellent polymerization activity, and to a method for producing polypropylene having excellent processability and a broad molecular weight distribution by using the supported catalyst.

Подробнее

Номер записи: 24

21-04-2016 дата публикации

METALLOCENE CATALYST FOR PREPARATION OF POLYOLEFIN HAVING HIGH MOLECULAR WEIGHT, AND METHOD FOR PREPARING SAME

Номер: WO2016060412A1

Автор: PARK, Hee Kwang, KIM Byung Seok, LEE, Hye Kyung, CHEONG, Jae Youp, NOH, Kyung Seop, AN, Sang Eun, LEE, In Sun, JEON, Sang Jin

Принадлежит:

The present invention relates to a metallocene compound having a novel structure capable of providing various selectivities and activities with respect to a polyolefin copolymer, a preparation method therefor, and a method for preparing a polyolefin using the metallocene compound. Specifically, the metallocene compound is ansa-zirconocene which comprises, as a substituent, a bis-indenyl-ligand having an aryl group substituted with alkyl.

Подробнее

Номер записи: 25

13-02-2018 дата публикации

전이 금속 화합물, 이를 포함하는 촉매 조성물 및 이를 이용한 올레핀 중합체의 제조 방법

Номер: KR0101828930B1

Автор: 이혜경, 박희광, 노경섭, 전상진, 안상은, 최라윤

Принадлежит: 주식회사 엘지화학

... 본 발명에 따르면, 합성 시 다양한 입체 이성질체 중 광학 이성질체에 대한 높은 선택성을 보이는 구조를 가지며, 수소 반응성이 우수한 전이 금속 화합물, 이를 포함하는 촉매 조성물 및 상기 촉매 조성물을 이용한 올레핀 중합체의 제조 방법이 제공될 수 있다. 상기 전이 금속 화합물을 이용하면, 동일 수소량으로 기존의 촉매에 비해 초고유동 올레핀 중합체를 생산할 수 있다. 이에 따라, 상기 전이 금속 화합물을 이용하면 멜트 블로운 섬유 생산에 유용한 올레핀 중합체를 제공할 수 있다.

Подробнее

Номер записи: 26

08-05-2017 дата публикации

SUPPORTED HYBRID CATALYST SYSTEM FOR PROPYLENE POLYMERIZATION AND METHOD FOR PREPARING PROPYLENE POLYMER USING SAME

Номер: KR1020170048012A

Автор: CHOI, RA YUN, NOH, KYUNG SEOP, JEON, SANG JIN, AN, SANG EUN, LEE, IN SUN, KIM, BYUNG SEOK, PARK, HEE KWANG, LEE, SANG HOON

Принадлежит:

The present invention relates to a supported hybrid catalyst system for propylene polymerization and a method for preparing a propylene polymer using the same. The supported hybrid catalyst system according to the present invention enables users to provide a propylene polymer which has excellent catalytic activity, as well as a controlled content of xylene to meet the target mechanical matter properties. COPYRIGHT KIPO 2017 ...

Подробнее

Номер записи: 27

30-05-2018 дата публикации

METALLOCENE SUPPORTED CATALYST AND METHOD FOR MANUFACTURING POLYPROPYLENE USING SAME

Номер: KR1020180057469A

Автор: PARK, JONG WOO, LEE, HYE KYUNG, KIM, BYUNG SEOK, JEON, SANG JIN, CHEONG, JAE YOUP, PARK, HEE KWANG

Принадлежит:

The present invention relates to a supported catalyst comprising a novel metallocene compound having excellent polymerization activity, and a method for manufacturing polypropylene having excellent processability and broad molecular weight distribution using the same. The metallocene compound of the present invention is represented by chemical formula 1, wherein R_1 and R_2 are the same or different and each independently represents an alkyl group having 1 to 20 carbon atoms and substituted with an alkoxy group having 1 to 20 carbon atoms. COPYRIGHT KIPO 2018 ...

Подробнее

Номер записи: 28

26-12-2019 дата публикации

METHOD FOR EVALUATING PHYSICAL PROPERTIES OF POLYPROPYLENE RESIN, METHOD FOR MANUFACTURING POLYPROPYLENE NONWOVEN FABRIC, AND POLYPROPYLENE NONWOVEN FABRIC

Номер: WO2019245338A1

Автор: LEE, Hyunsup, CHAE, Seong Min, NOH, Kyung Seop, PARK, Heekwang, LEE, Ki Soo, JEON, Sangjin, LEE, Myunghan

Принадлежит:

The present invention relates to a polypropylene nonwoven fabric having excellent loft characteristics, a method for producing the polypropylene nonwoven fabric having excellent loft characteristics, and a method for evaluating the physical properties of such a polypropylene resin.

Подробнее

Номер записи: 29

26-10-2017 дата публикации

전이 금속 화합물, 이를 포함하는 촉매 조성물 및 이를 이용한 올레핀 중합체의 제조 방법

Номер: KR0101790672B1

Автор: 김병석, 박희광, 노경섭, 안상은, 이인선, 이혜경, 전상진, 최라윤

Принадлежит: 주식회사 엘지화학

... 본 발명에 따르면, 올레핀 중합 반응에서 높은 활성을 나타낼 수 있을 뿐만 아니라, 합성되는 올레핀 중합체의 물성을 용이하게 조절할 수 있는 전이 금속 화합물, 이를 포함하는 촉매 조성물 및 상기 촉매 조성물을 이용한 올레핀 중합체의 제조 방법이 제공될 수 있다. 상기 전이 금속 화합물을 이용하면 가공 혹은 성형 시에 에너지 절감 효과가 우수한 올레핀 중합체를 제공할 수 있다.

Подробнее

Номер записи: 30

10-06-2015 дата публикации

METALLOCENE CATALYST HAVING INDEN DERIVATIVES AND METHOD OF MANUFACTURING OLEFINE POLYMERS USING SAME

Номер: KR1020150063823A

Автор: PARK, HA NA, LEE, YONG HO, JEON, SANG JIN, AN, SANG EUN, KIM, SEOK HWAN, PARK, HEE KWANG

Принадлежит:

The present invention relates to a ligand, an organic metal compound containing the ligand, a metallocene catalyst composition comprising the organic metal compound, a method of manufacturing the metallocene catalyst composition, and a method of manufacturing olefine polymers using the metallocene catalyst composition, wherein the ligand comprises inden derivatives and amine derivatives which are coupled. COPYRIGHT KIPO 2015 ...

Подробнее

Номер записи: 31

16-05-2019 дата публикации

HOMOPOLYPROPYLENE RESIN FOR NON-WOVEN FABRIC AND MANUFACTURING METHOD THEREFOR

Номер: WO2019093789A1

Автор: PARK, Hee Kwang, KIM, Byung Seok, NOH, Kyung Seop, JEON, Sang Jin, CHAE, Seong Min

Принадлежит:

The present invention relates to a homopolypropylene resin for a non-woven fabric, and can produce a high-strength non-woven fabric, which is softer than an existing product and does not tear easily due to high toughness, by optimizing tacticity to 80-90%, having a narrow molecular weight distribution of 2.4 or less, and optimizing a modulus through satisfaction of all of a melting index (MI) of 20-30 g/min, a melting point (Tm) of 145°C or lower, and a residual stress rate of 0.05% or less.

Подробнее

Номер записи: 32

06-06-2019 дата публикации

POLYPROPYLENE AND PREPARATION METHOD THEREFOR

Номер: WO2019107774A1

Автор: KIM, Seok Hwan, LEE, Hyunsup, CHAE, Seong Min, KIM, Taejin, HONG, Dae Sik, JEON, Sang Jin, PARK, Hee Kwang

Принадлежит:

The present invention provides polypropylene having a large amount of high molecular weight molecules and excellent rigidity, and a preparation method therefor.

Подробнее

Номер записи: 33

12-05-2016 дата публикации

METALLOCENE CATALYST FOR PREPARING HIGH-MOLECULAR POLYOLEFIN, AND METHOD FOR PREPARING SAME

Номер: WO2016072630A1

Автор: PARK, Hee Kwang, LEE, Hye Kyung, KIM, Byung Seok, CHEONG, Jae Youp, NOH, Kyung Seop, CHOI, Ra Yun, LEE, Sang Hoon, JEON, Sang Jin

Принадлежит:

The present invention relates to a metallocene compound having a new structure which can provide diverse selectivity and activities on a polyolefin copolymer, a method for preparing same, and a method for preparing a polyolefin using the metallocene compound. More specifically, the metallocene compound is ansa-hafnocene comprising a bis-indenyl-ligand having as a substituent an aryl group which has been substituted with alkyl.

Подробнее

Номер записи: 34

29-12-2017 дата публикации

무연신 폴리프로필렌계 필름

Номер: KR0101813706B1

Автор: 노경섭, 최지호, 박철영, 이기수, 전상진, 박희광, 이원상, 서아영

Принадлежит: 주식회사 엘지화학

... 본 발명에 따른 삼원 공중합체는, 용융점이 낮고, 저온 실링 효과, 투명도 및 강도가 우수하여, 이로 제조되는 필름은 무연신 폴리프로필렌계 필름의 실링층으로 유용하게 사용될 수 있다.

Подробнее

Номер записи: 35

16-05-2016 дата публикации

METALLOCENE CATALYST FOR PRODUCING HIGH MOLECULAR WEIGHT POLYOLEFIN AND PRODUCTION METHOD THEREOF

Номер: KR1020160054357A

Автор: PARK, HEE KWANG, LEE, HYE KYUNG, KIM, BYUNG SEOK, CHEONG, JAE YOUP, NOH, KYUNG SEOP, CHOI, RA YUN, LEE, SANG HOON, JEON, SANG JIN

Принадлежит:

The present invention relates to a metallocene compound which has a novel structure and is represented by chemical formula 1, a production method thereof, and a method for producing polyolefin using the metallocene compound. According to the present invention, the metallocene compound can offer a polyolefin copolymer with various selectivity and activities. COPYRIGHT KIPO 2016 ...

Подробнее

Номер записи: 36

02-03-2017 дата публикации

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

Номер: WO2017034142A1

Автор: KIM, Byung Seok, PARK, Hee Kwang, NOH, Kyung Seop, AN, Sang Eun, LEE, In Sun, LEE, Hye Kyung, JEON, Sang Jin, CHOI, Ra Yun

Принадлежит:

The present invention provides a transition metal compound, a catalyst composition comprising the same, and a method for producing an olefin polymer using the catalyst composition, the transition metal compound being capable of exhibiting high activity in olefin polymerization reaction, and also being capable of easily controlling the physical properties of an olefin polymer. When the transition metal compound is used, it is possible to provide an olefin polymer having an excellent energy-saving effect at the time of processing or molding.

Подробнее

Номер записи: 37

14-05-2020 дата публикации

PELLET-TYPE POLYPROPYLENE RESIN AND METHOD FOR MANUFACTURING SAME

Номер: WO2020096306A1

Автор: PARK, Heekwang, LEE, Hye Kyung, PARK, Ha Na, NOH, Kyung Seop, LEE, Hyunsup, CHAE, Seong Min, KWON, Heon Yong, JEON, Sangjin, KIM, Seok Hwan

Принадлежит:

The present invention provides: a pellet-type polypropylene resin which is environmentally friendly, has excellent workability, and can be finely fiberized; and a method for manufacturing same.

Подробнее

Номер записи: 38

04-11-2022 дата публикации

필라멘트용 폴리프로필렌 및 그 제조방법

Номер: KR102464410B1

Автор: 채성민, 노경섭, 박철영, 전상진, 박희광, 김태진

Принадлежит: 주식회사 엘지화학

... 본 발명에서는 높은 강도와 함께 우수한 방사 가공성을 갖는 필라멘트 제조에 사용될 수 있는 폴리프로필렌 및 그 제조방법이 제공된다.

Подробнее

Номер записи: 39

01-09-2016 дата публикации

고분자량 폴리올레핀 제조용 메탈로센 촉매 및 이의 제조방법

Номер: KR0101653357B1

Автор: 박희광, 이혜경, 김병석, 정재엽, 노경섭, 최라윤, 이상훈, 전상진

Принадлежит: 주식회사 엘지화학

... 본 발명은 폴리올레핀 공중합체에 대하여 다양한 선택성과 활성을 제공할 수 있는 새로운 구조의 메탈로센 화합물과 그 제조방법 및 상기 메탈로센 화합물을 이용한 폴리올레핀의 제조방법에 관한 것이다.

Подробнее

Номер записи: 40

11-04-2017 дата публикации

HYBRID SUPPORTED CATALYST SYSTEM FOR PROPYLENE POLYMERIZATION AND METHOD FOR PRODUCING PROPYLENE POLYMER USING SAME

Номер: KR1020170039504A

Автор: PARK, HEE KWANG, JEON, SANG JIN, AN, SANG EUN, CHOI, RA YUN, LEE, IN SUN, LEE, HYE KYUNG, KIM, BYUNG SEOK, CHEONG, JAE YOUP, LEE, JIN YOUNG

Принадлежит:

The present invention relates to a hybrid supported catalyst system for producing a propylene polymer, and to a method for producing the propylene polymer using the same. According to the present invention, the hybrid supported catalyst system exhibits excellent catalytic activities, and enables the production of the propylene polymer in which the content of xylene soluble matters is controlled to achieve desirable mechanical properties. COPYRIGHT KIPO 2017 ...

Подробнее

Номер записи: 41

17-01-2019 дата публикации

PROPYLENE-BUTENE COPOLYMER RESIN COMPOSITION AND PREPARATION METHOD THEREFOR

Номер: WO2019013554A1

Автор: PARK, Hee Kwang, NOH, Kyung Seop, JEON, Sang Jin, LEE, Hyun Sup, LEE, In Sun, PARK, Jin Hyun, CHUNG, Changkwon

Принадлежит:

The present invention relates to: a propylene-butene copolymer resin composition to be used for a nonwoven fabric; a method for preparing the same; and a spunbond nonwoven fabric manufactured by using the composition and, specifically, optimizes the amount of 1-butene to 0.5-5.0 wt% in a metallocene polypropylene resin composition and simultaneously optimizes both the melt index and the residual stress ratio of the resin composition so as to have a high conversion rate and a reduced modulus, thereby having an advantage of enabling the manufacture of a nonwoven fabric, which maintains a high strength and is softer than a conventional product.

Подробнее

Номер записи: 42

14-05-2020 дата публикации

BINARY FIBER RESIN COMPOSITION

Номер: WO2020096307A1

Автор: CHAE, Seong Min, YE, Jihwa, NOH, Kyung Seop, PARK, Heekwang, KIM, Taejin, LEE, Daeyeon

Принадлежит:

The present invention provides a core-sheath type binary fiber resin composition, which enables the manufacturing of non-woven fabric, particularly, spunbond non-woven fabric having an improved tensile strength property while maintaining excellent pliability.

Подробнее

Номер записи: 43

07-05-2015 дата публикации

CATALYST IN COMBINED FORM OF ANILINE DERIVATIVES AND CYCLOPENTADIENE DERIVATIVES, AND MANUFACTURING METHOD OF OLEFINE POLYMERS USING SAME

Номер: KR1020150048462A

Автор: KIM, SEOK HWAN, NOH, KYUNG SEOP, KIM, WON HEE, JEON, SANG JIN, PARK, HA NA, CHEONG, JAE YOUP, PARK, HEE KWANG

Принадлежит:

The present invention relates to a ligand in a combined form of aniline derivatives and cyclopentadiene derivatives, an organic metal compound containing the ligand compound, a catalyst composition containing the organic metal compound and a manufacturing method thereof, and a manufacturing method of olefin polymers using the catalyst composition. COPYRIGHT KIPO 2015 ...

Подробнее

Номер записи: 44

04-07-2019 дата публикации

METHOD FOR PREPARING SUPPORTED METALLOCENE CATALYST, AND METHOD FOR PREPARING POLYPROPYLENE BY USING CATALYST PREPARED THEREBY

Номер: WO2019132346A1

Автор: KIM, Byung Seok, LEE, Insun, KIM, Seok Hwan, LEE, Hye Kyung, PARK, Heekwang, HONG, Daesik, JEON, Sangjin

Принадлежит:

The present invention relates to a method for preparing a supported metallocene catalyst, and a method for preparing a polypropylene by using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst enabling an isotactic polypropylene polymer having a low amount of xylene-soluble parts to be provided even while having excellent catalytic activity.

Подробнее

Номер записи: 45

04-04-2018 дата публикации

METHOD FOR MANUFACTURING HOMOPOLYPROPYLENE

Номер: KR1020180033803A

Автор: KIM, BYUNG SEOK, LEE, HYE KYUNG, LEE, IN SUN, KIM, SEOK HWAN, PARK, HEE KWANG, JEON, SANG JIN

Принадлежит:

The present invention relates to a method for manufacturing homopolypropylene through a homopolymerization process. The method of the present invention can manufacture homopolypropylene having a high molecular weight and exhibiting high polymerization activity by introducing dialkyl zinc in a predetermined amount together with a specific metallocene supported catalyst. COPYRIGHT KIPO 2018 ...

Подробнее

Номер записи: 46

21-03-2019 дата публикации

METHOD FOR EVALUATING PROPERTIES OF MELT-BLOWN PLASTIC RESIN

Номер: WO2019054726A1

Автор: LEE, Hyunsup, KIM, Seok Hwan, PARK, Hee Kwang, LEE, Ki Soo, JEON, Sang Jin, LEE, Myung Han

Принадлежит:

The present invention relates to a method for evaluating properties of a melt-blown plastic resin, and, more specifically, to a novel method for evaluating properties, which, when processing a particular plastic resin by melt blowing, can accurately derive a post-stretching diametral value of the plastic resin from a property value measured using a specimen of the resin.

Подробнее

Номер записи: 47

21-02-2023 дата публикации

프로필렌-에틸렌 랜덤 공중합체

Номер: KR102502159B1

Автор: 김병석, 이인선, 김석환, 이혜경, 권동현, 김세영, 박희광, 예지화

Принадлежит: 주식회사 엘지화학

... 본 발명은, 총휘발성 유기 화합물 방출량(TVOC)이 낮으면서도 가공성이 우수하고 에틸렌 함량을 극대화한 고투명성 사출용 프로필렌-에틸렌 랜덤 공중합체에 관한 것이다.

Подробнее

Номер записи: 48

26-04-2018 дата публикации

METHOD FOR PREDICTING POSSIBILITY OF FIBER BREAKAGE FROM RHEOLOGICAL PROPERTY OF SYNTHETIC RESIN IN MELT BLOWING PROCESS

Номер: WO2018074732A1

Автор: LEE, Hyun Sup, LEE, Ki Soo, JEON, Sang Jin, AN, Sang Eun, LEE, Myung Han, PARK, Hee Kwang, KIM, Sang Eun, LEE, Sang Hoon

Принадлежит:

The present invention relates to a method for predicting possibility of fiber breakage from rheological properties of a synthetic resin in a melt blowing process. Provided according to the present invention is a method for predicting possibility of fiber breakage through the measurement of rheological properties of a synthetic resin in a melt blowing process in which the synthetic resin is used to produce a filament.

Подробнее

Номер записи: 49

14-06-2016 дата публикации

CASTED POLYPROPYLENE-BASED FILM

Номер: KR1020160067801A

Автор: NOH, KYUNG SEOP, CHOI, JI HO, PARK, CHURL YOUNG, LEE, KI SOO, JEON, SANG JIN, PARK, HEE KWANG, LEE, WON SANG, SEO, AH YOUNG

Принадлежит:

The present invention relates to a casted polypropylene-based film. According to the present invention, a terpolymer exhibits a low melting point, low-temperature sealing effects, transparency, and strength. Thus, a film produced by using the terpolymer can be useful as a sealing layer of the casted polypropylene-based film. COPYRIGHT KIPO 2016 ...

Подробнее

Номер записи: 50

29-06-2017 дата публикации

METHOD FOR PREPARING LONG FIBER-REINFORCING OLEFIN POLYMER AND LONG FIBER

Номер: WO2017111335A1

Автор: NOH, Kyung Seop, LEE, Ki Soo, JEON, Sang Jin, AN, Sang Eun, CHOI, Ji Ho, CHEONG, Jae Youp, PARK, Hee Kwang, LEE, Sang Hoon

Принадлежит:

The present invention provides: a method for preparing an olefin polymer, which can exhibit excellent isotacticity at a high yield and thus is suitable for use in reinforcing a long fiber; and a long fiber comprising an olefin polymer prepared by the preparation method.

Подробнее

Номер записи: 51

22-05-2015 дата публикации

DIAMINE-BASED POST-METALLOCENE TYPE CATALYST FOR METAL TRANSITION

Номер: KR1020150055873A

Автор: KIM, SEOK HWAN, CHEONG, JAE YOUP, KIM, WON HEE, JEON, SANG JIN, PARK, HEE KWANG

Принадлежит:

The present invention relates to diamine-based post-metallocene ligands, organic metal compounds including the ligand compounds, catalyst compositions including the organic metal compounds, and a preparation method thereof. The present invention also includes a method for preparing olefin polymers using the catalyst compositions. COPYRIGHT KIPO 2015 ...

Подробнее

Номер записи: 52

21-01-2019 дата публикации

프로필렌-부텐 공중합체 수지 조성물 및 이의 제조 방법

Номер: KR1020190006929A

Автор: 박희광, 노경섭, 전상진, 이현섭, 이인선, 박진현, 정창권

Принадлежит:

... 본 발명은 부직포용으로 사용되는 프로필렌-부텐 공중합체 수지 조성물과 이를 제조하는 방법, 및 상기 조성물을 사용하여 제조된 스펀본드 부직포에 관한 것으로, 특히 메탈로센 폴리프로필렌 수지 조성물에서 1-부텐 함량을 0.5 내지 5.0 중량%로 최적화함과 동시에 수지 조성물의 용융지수와 잔류응력비율을 모두 최적화함으로써, 높은 전환율과 함께 모듈러스를 감소시켜 고강도를 유지하며 기존 제품보다 소프트한 부직포를 제조할 수 있는 장점을 갖는다.

Подробнее

Номер записи: 53

28-06-2017 дата публикации

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

Номер: KR1020170073465A

Автор: LEE, JIN YEONG, PARK, HEE KWANG, LEE, IN SUN, NOH, KYUNG SEOP, JEON, SANG JIN

Принадлежит:

The present invention relates to a transition metal compound, a catalyst composition comprising the same, and a production method of an olefin polymer using the catalyst composition. According to the present invention, the transition metal compound can have high activity in olefin polymerization reaction as well as can easily control properties such as stereoregularity of the synthesized olefin polymer. COPYRIGHT KIPO 2017 ...

Подробнее

Номер записи: 54

12-10-2016 дата публикации

안사-메탈로센 화합물 및 이를 이용한 담지 촉매의 제조방법

Номер: KR0101665076B1

Автор: 박희광, 안상은, 최라윤, 김병석, 전상진

Принадлежит: 주식회사 엘지화학

... 본 발명은 폴리올레핀 공중합체에 대하여 다양한 선택성과 활성, 및 높은 강성을 제공할 수 있는 새로운 구조의 안사-메탈로센 화합물과 그 제조방법 및 상기 안사-메탈로센 화합물을 이용한 폴리올레핀의 제조방법에 관한 것이다.

Подробнее

Номер записи: 55

05-10-2022 дата публикации

폴리프로필렌 수지 조성물 및 그의 제조방법

Номер: KR20220134482A

Автор: 노경섭, 박희광, 채성민, 예지화

Принадлежит:

... 본 발명은 특정 구조의 메탈로센 화합물 존재 하에 연속 반응기를 이용하여 제조한 에틸렌 프로필렌계 공중합체 함유 폴리프로필렌 수지 조성물에 관한 것으로, 좁은 분자량 분포와 함께 자일렌 가용분, 에틸렌 함량, 용융지수를 최적화함으로써, 높은 투명성과 함께 신율이 우수한 폴리프로필렌 수지 조성물 및 그의 제조 방법이 제공된다.

Подробнее

Номер записи: 56

16-05-2018 дата публикации

PRODUCTION METHOD OF POLYPROPYLENE

Номер: KR1020180051222A

Автор: KIM, BYUNG SEOK, KIM, SEOK HWAN, LEE, HYE KYUNG, JEON, SANG JIN, PARK, HEE KWANG

Принадлежит:

The present invention relates to a production method of polypropylene, and more specifically, to a production method of polypropylene which produces polypropylene through the prepolymerization using a metallocene supported catalyst, so that the process stability can be secured through the uniformity of the morphology and the reduction of the differentiation, the supported catalyst can be quantified to facilitate the condition control for the prepolymerization, and the resulting polymer can have the uniform particle size or distribution. COPYRIGHT KIPO 2018 (AA) Example 1 ...

Подробнее

Номер записи: 57

06-03-2017 дата публикации

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

Номер: KR1020170023705A

Автор: KIM, BYUNG SEOK, PARK, HEE KWANG, NOH, KYUNG SEOP, AN, SANG EUN, LEE, IN SUN, LEE, HYE KYUNG, JEON, SANG JIN, CHOI, RA YUN

Принадлежит:

According to the present invention, provided are: a transition metal compound capable of exhibiting high activity in an olefin polymerization reaction as well as easily controlling physical properties of a synthesized olefin polymer; a catalyst composition comprising the same; and a production method of an olefin polymer using the catalyst composition. When the transition metal compound is used, an olefin polymer having an excellent energy saving effect during processing or molding can be provided. COPYRIGHT KIPO 2017 ...

Подробнее

Номер записи: 58

03-07-2017 дата публикации

PREPARATION METHOD OF OLEFIN POLYMER FOR REINFORCING LONG FIBER AND LONG FIBER

Номер: KR1020170075623A

Автор: NOH, KYUNG SEOP, LEE, KI SOO, JEON, SANG JIN, AN, SANG EUN, CHOI, JI HO, CHEONG, JAE YOUP, PARK, HEE KWANG, LEE, SANG HOON

Принадлежит:

The present invention provides a preparation method of an olefin polymer which is capable of exhibiting excellent isotacticity in high yield such that the olefin polymer which is suitable for a use of reinforcing a long fiber, and the long fiber comprising the olefin polymer prepared according to the preparation method. The preparation method can provide an olefin polymer which has excellent isotacticity in high yield using a supported catalyst that supports a transition metal compound of a specific structure on a carrier along with two co-catalysts, and the supported catalyst can provide a high flow rate olefin polymer having a regular and excellent morphology by exhibiting a high activity, excellent process stability, and high hydrogen reactivity. The olefin polymer has excellent mechanical properties such as tensile strength, bending strength and the like and exhibits high processibility such that the olefin polymer is very useful as a long fiber-reinforcing resin. Further, the olefin ...

Подробнее

Номер записи: 59

27-04-2016 дата публикации

METALLOCENE CATALYST FOR PRODUCING POLYOLEFIN WITH HIGH MOLECULAR WEIGHT, AND PRODUCING METHOD THEREOF

Номер: KR1020160045433A

Автор: PARK, HEE KWANG, KIM, BYUNG SEOK, AN, SANG EUN, LEE, IN SUN, LEE, HYE KYUNG, CHEONG, JAE YOUP, JEON, SANG JIN

Принадлежит:

The present invention relates to a metallocene compound of a novel structure, which can provide a variety of selectivity and activity with respect to a polyolefin copolymer, to a producing method thereof, and to a producing method of polyolefin using the metallocene compound. The compound is represented by chemical formula 1. COPYRIGHT KIPO 2016 ...

Подробнее

Номер записи: 60

11-01-2018 дата публикации

METHOD FOR PREPARING METALLOCENE CATALYST FOR PREPARING POLYOLEFIN

Номер: WO2018009016A2

Автор: PARK, Hee Kwang, LEE, Hye Kyung, KIM, Byung Seok, CHEONG, Jae Youp, JEON, Sang Jin

Принадлежит:

The present invention relates to a method for preparing a high-purity metallocene catalyst capable of providing varying selectivity and high activity to a polyolefin copolymer and, particularly, can prepare a high-purity metallocene catalyst by adding, after forming a metallocene compound by reacting a ligand compound and a zirconium compound, a step of converting lithium chloride, which is contained as a reaction by-product in the metallocene compound, into a complex form, thereby effectively removing the same in the next step of extracting a catalyst.

Подробнее

Номер записи: 61

Настройки

Небесная энциклопедия

Мониторинг СМИ

Форма поиска