A post-metallocene catalyst is a kind of catalyst for the polymerization of olefins, i.e., the industrial production of some of the most common plastics...
8 KB (958 words) - 21:54, 26 June 2022
These catalysts traditionally contain metallocenes but also feature multidentate oxygen- and nitrogen-based ligands. Ziegler–Natta catalysts are used...
17 KB (1,843 words) - 11:43, 22 September 2024
homogeneous catalysts such as the Kaminsky catalyst discovered in the 1970s. The 1990s brought forward a new range of post-metallocene catalysts. Typical...
8 KB (858 words) - 16:55, 3 May 2023
Substituted α-diimine ligands are useful in the preparation of post-metallocene catalysts, which are used for the polymerization of alkenes. 1,2-Diimines...
5 KB (530 words) - 02:21, 27 January 2025
dimethylbis(cyclopentadienyl)hafnium(IV). Cationic hafnocene complexes, post-metallocene catalysts, are used on an industrial scale for the polymerization of alkenes...
12 KB (1,161 words) - 17:43, 11 August 2024
chemistry. A recent major thrust has been the development of post-metallocene catalysts based upon late transition metal (Ni and Pd) complexes for olefin...
7 KB (681 words) - 05:27, 30 March 2025
scientists over the years. One major effort was on DuPont Versipol post-metallocene catalysts for ethylene coordination polymerization and copolymerization...
7 KB (932 words) - 23:59, 5 July 2023
Carolina and a DuPont CRD consultant, invented a new generation of post-metallocene catalysts for olefin coordination polymerization based upon late transition...
30 KB (3,971 words) - 05:24, 4 March 2025
compounds). The metallocene initiators form homogeneous single site catalysts that were initially developed to study the impact that the catalyst structure...
37 KB (4,445 words) - 05:32, 3 June 2024
a cocatalyst, MAO is well known for their use in metallocene chemistry as they activate metallocene complexes for olefin polymerization. To remove the...
15 KB (1,579 words) - 04:38, 7 January 2024
the Nobel Prizes to Ernst Fischer and Geoffrey Wilkinson for work on metallocenes. In 2005, Yves Chauvin, Robert H. Grubbs and Richard R. Schrock shared...
31 KB (3,163 words) - 08:57, 10 May 2025
produced under the trade name XAREC by Idemitsu corporation, who use a metallocene catalyst for the polymerisation reaction. Polystyrene is relatively chemically...
83 KB (8,677 words) - 12:12, 12 May 2025
is an organotanalum compound in the family of bent metallocenes consisting of two cyclopentadienyl rings and three hydrides coordinated...
13 KB (1,273 words) - 15:14, 26 August 2024
affects fruit ripening and many other developments. Copper forms no metallocene, and adds cyclopentadiene only in the presence of "soft" Lewis bases...
24 KB (2,449 words) - 14:44, 8 April 2025
organic derivatives are characterised. Cobaltocene, Co(C5H5)2, is a metallocene, the cobalt analogue of ferrocene. It is a dark purple solid. Cobaltocene...
225 KB (24,165 words) - 17:24, 9 May 2025
Eric; Ruiz, Jaime; Astruc, Didier; Walder, Lorenz (7 June 2021). "The Metallocene Battery: Ultrafast Electron Transfer Self Exchange Rate Accompanied by...
15 KB (1,389 words) - 04:22, 7 April 2025