Younkin, Todd R. and Connor, Eric F. and Henderson, Jason I. and Friedrich, Stefan K. and Grubbs, Robert H. and Bansleben, Donald A. (2000) Neutral, Single-Component Nickel (II) Polyolefin Catalysts That Tolerate Heteroatoms. Science, 287 (5452). pp. 460-462. ISSN 0036-8075. http://resolver.caltech.edu/CaltechAUTHORS:20141117-091709798
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Abstract
More than half of the 170 million metric tons of polymers produced each year are polyolefins. Current technology uses highly active cationic catalysts, which suffer from an inability to tolerate heteroatoms such as oxygen, nitrogen, and sulfur. These systems require scrupulously clean starting materials and activating cocatalysts. A family of catalysts has been developed whose members are tolerant of both heteroatoms and less pure starting materials. These heteroatom-tolerant neutral late transition metal complexes are in fact highly active systems that produce high-molecular-weight polyethylene, polymerize functionalized olefins, and require no cocatalyst.
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| Additional Information: | © 2000 American Association for the Advancement of Science. 7 September 1999; accepted 26 October 1999. Financial support was provided by the National Institute for Standards and Technology (ATP program) and by the Cryovac division of the Sealed Air Corporation. S.K.F. is grateful to the Alexander von Humboldt-Stiftung for a Feodor Lynen Postdoctoral fellowship. Gel permeation chromatography and polymer NMR analyses were provided by Cryovac. | |||||||||
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| Record Number: | CaltechAUTHORS:20141117-091709798 | |||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20141117-091709798 | |||||||||
| Official Citation: | Neutral, Single-Component Nickel (II) Polyolefin Catalysts That Tolerate Heteroatoms Todd R. Younkin, Eric F. Connor, Jason I. Henderson, Stefan K. Friedrich, Robert H. Grubbs, and Donald A. Bansleben Science 21 January 2000: 287 (5452), 460-462. [DOI:10.1126/science.287.5452.460] | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 51823 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 17 Nov 2014 21:21 | |||||||||
| Last Modified: | 09 Dec 2016 02:25 |
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