Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Seung-Woong Yoon"'
Publikováno v:
Macromolecular Research. 23:713-718
Pristine multiwalled carbon nanotube (MWCNT)/polyethylene (PE) composites produced by in situ polymerization using a metallocene (Cp2ZrCl2) immobilized onto MWCNT are used for measurement of electrical, thermo- and dynamic mechanical properties. As t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf2fd0f68bf2e57a8489b1d56384d271
https://doi.org/10.1007/s13233-015-3096-z
https://doi.org/10.1007/s13233-015-3096-z
Publikováno v:
Bulletin of the Korean Chemical Society. 35:236-242
Isospecific propylene polymerization behavior of meta- and para-Lewis base (E) functionalized unbridged zirconocenes ([1-(En-Ph)-3,4-Me2C5H2]2ZrCl2, E = NMe2, OMe; n = 1 or 2) was investigated under bulk conditions. Catalytic activity of the zirconoc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9429a191e999c6ffb7956203b7a6183
https://doi.org/10.5012/bkcs.2014.35.1.236
https://doi.org/10.5012/bkcs.2014.35.1.236
Autor:
Min Jeong Go, Bun Yeoul Lee, Bo Geun Song, Sung Hun Kim, Junseong Lee, Ji Hae Park, Seung-Woong Yoon
Publikováno v:
Catalysts; Volume 3; Issue 1; Pages: 104-124
CATALYSTS(3): 1
Catalysts, Vol 3, Iss 1, Pp 104-124 (2013)
CATALYSTS(3): 1
Catalysts, Vol 3, Iss 1, Pp 104-124 (2013)
A synthetic scheme was developed for the large-scale preparation of a dimethylthiophene-fused and tetrahydroquinaldine-linked dimethylcyclopentadienyl titanium complex (2), which is a high-performance homogeneous Ziegler catalyst. 2,3,4,5-Tetramethyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad0062c0bf6896dcd696e720478d6bcf
https://doi.org/10.3390/catal3010104
https://doi.org/10.3390/catal3010104
Publikováno v:
Macromolecular Chemistry and Physics. 212:785-789
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4801a55fda96a927be5bf04f39782f31
https://doi.org/10.1002/macp.201000655
https://doi.org/10.1002/macp.201000655
Autor:
Cheol Ho Choi, Sungjin Park, Woo Kyung Cho, Hyung Ju Park, Seung Woong Yoon, Jinhee Kim, Young-Kyu Do, Joon Sung Lee, Insung S. Choi, Heechol Choi, Wan Soo Yun
Publikováno v:
Chemistry of Materials. 20:4588-4594
In this work, we achieved the production of pristine multiwalled carbon nanotube (MWCNT)/polyethylene (PE) composites composed of uniformly dispersed, PE-coated MWCNT strands, by the in situ polymerization of ethylene with Cp2ZrCl2 immobilized onto t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bb243031b56dbe3be8111ba69246bdc
https://doi.org/10.1021/cm800195h
https://doi.org/10.1021/cm800195h
Publikováno v:
Chemistry - A European Journal. 13:9107-9114
New unbridged zirconocenes functionalized with a Lewis base, [{1-(E-C(6)H(4))-3,4-Me(2)C(5)H(2)}(2)ZrCl(2)] (E = p-NMe(2) (3); p-OMe (4); p-SMe (5)) were prepared and their propylene polymerization behavior was examined. Under methylaluminoxane (MAO)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ee856d5939d3007ef364e7e73b6dcce
https://doi.org/10.1002/chem.200700512
https://doi.org/10.1002/chem.200700512
Autor:
Youngkyu Do, Dong Jin Kim, Sungjin Park, Kyung-Bok Lee, Insung S. Choi, Hyun-jong Paik, Young Hwan Jung, Seung Woong Yoon
Publikováno v:
Macromolecular Rapid Communications. 27:47-50
We report a simple method for tuning catalytic property of a metallocene-based catalyst. Cp 2 ZrCl 2 , for ethylene polymerization by the direct adsorption of Cp 2 ZrCl 2 onto multi-walled carbon nanotubes (MWCNTs). The direct interactions between MW
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::269771018bb99912f83ea37b375ac6fe
https://doi.org/10.1002/marc.200500614
https://doi.org/10.1002/marc.200500614
Publikováno v:
Bulletin of the Korean Chemical Society. 33:3445-3447
E-mail: ykyang@lottechem.comReceived June 21, 2012, Accepted July 7, 2012Key Words : Titanium catalyst, Antimony, Poly(ethylene terephthalate), Polycondensation, EsterificationPoly(ethylene terephthalate) (PET) is a polymer withrelatively low cost an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc8761b5e5313d9939d618eabd9aa0dd
https://doi.org/10.5012/bkcs.2012.33.10.3445
https://doi.org/10.5012/bkcs.2012.33.10.3445
Publikováno v:
Tetrahedron Letters. 43:7209-7212
Transformation of the allylic amine of monosubstituted olefins into the aryl ketimine derivatives resulted in consistent higher anti diastereofacial selectivity in the osmium-catalyzed dihydroxylation reactions, compared to the selectivities obtained
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02bd51ec8ae3d80bbb306900845f093f
https://doi.org/10.1016/s0040-4039(02)01654-4
https://doi.org/10.1016/s0040-4039(02)01654-4
Autor:
Bo Geun Song, Yonggyu Han, Seung Woong Yoon, Min Hyung Lee, Youngkyu Do, Youngjo Kim, Kee Ho Choi
Publikováno v:
Macromolecular Rapid Communications. 22:573-578
A new type of half-metallocene catalyst for the polymerization of ethylene and styrene Cp * M((O) 3 O 9 Si 7 (c-C 5 H 9 ) 7 ) (M= Ti (1), Zr (2)) is prepared by the reaction of (HO) 3 O 9 Si 7 (c-C 5 H 9 ) 7 with Cp * MCl 3 in the presence of triethy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d962c32b539540e17997ce882cb850bf
https://doi.org/10.1002/1521-3927(20010501)22:8<573::aid-marc573>3.0.co
https://doi.org/10.1002/1521-3927(20010501)22:8<573::aid-marc573>3.0.co