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Organometallic Catalysts and Olefin Polymerization

2012-12-06 Technology & Engineering
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Release : 2012-12-06
Genre : Technology & Engineering
Kind : eBook
Book Rating : 654/5 ( reviews)

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Book Synopsis Organometallic Catalysts and Olefin Polymerization by : R. Blom

Download or read book Organometallic Catalysts and Olefin Polymerization written by R. Blom. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: "Catalysis is more art than science", probably all of you have heard and even used this expression. Whether it is true or not, it alludes to the experience that new catalysts are hard to find, and near impossible to predict. Hard work and a lifetime of experience is invaluable. However, a keen mind might give insight into where to search, but not necessarily about where to find the answers. Historically, "quantum leaps" have often arisen from serendipity - we all know the story about the nickel-contaminated reactor that triggered further research towards the first coordination catalyst for ethene polymerization. Taking advan tage of this event, Karl Ziegler became the first chemist to earn both a Nobel prize and a fortune for the same invention. A broken NMR tube helped Walter Kaminsky discover the effect of high concentrations of methylaluminoxanes as co catalysts for metallocenes. When air reacted with the concentrated trim ethyl aluminum solution, sufficient amounts of methylaluminoxanes were formed, and the lazy catalyst dormant in the NMR tube suddenly became sensationally active. Ziegler and Kaminsky were lucky and had the genius needed to take advantage of their luck.

Metal Catalysts in Olefin Polymerization

2009-03-31 Science
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Release : 2009-03-31
Genre : Science
Kind : eBook
Book Rating : 509/5 ( reviews)

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Book Synopsis Metal Catalysts in Olefin Polymerization by : Zhibin Guan

Download or read book Metal Catalysts in Olefin Polymerization written by Zhibin Guan. This book was released on 2009-03-31. Available in PDF, EPUB and Kindle. Book excerpt: Polyolefin is a major industry that is important for our economy and impacts every aspect of our lives. The discovery of new transition metal-based catalysts is one of the driving forces for the further advancement of this field. Whereas the classical heterogeneous Ziegler-Natta catalysts and homogeneous early transition metal metallocene catalysts remain the workhorses of the polyolefin industry, in roughly the last decade, tremendous progress has been made in developing non-metallocene-based olefin polymerization catalysts. Particularly, the discovery of late transition metal-based olefin polymerization catalysts heralds a new era for this field. These late transition metal complexes not only exhibit high activities rivaling their early metal counterparts, but more importantly they offer unique properties for polymer architectural control and copolymerization with polar olefins. In this book, the most recent major breakthroughs in the development of new olefin polymerization catalysts, including early metal metallocene and non-metallocene complexes and late transition metal complexes, are discussed by leading experts. The authors highlight the most important discoveries in catalysts and their applications in designing new polyolefin-based functional materials.

Transition Metals and Organometallics as Catalysts for Olefin Polymerization

2012-12-06 Science
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Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 768/5 ( reviews)

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Book Synopsis Transition Metals and Organometallics as Catalysts for Olefin Polymerization by : Walter Kaminsky

Download or read book Transition Metals and Organometallics as Catalysts for Olefin Polymerization written by Walter Kaminsky. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: More than 30 years after the discovery of transition metals and organometal lics as catalysts for olefin polymerization these catalysts did not have lost their fascination. Since 1953 when Karl Ziegler has discovered the catalytic polymerization of ethylene leading to plastically formable polymers which are mechanically stable up to temperatures of about 100°C, synthetic polymers and rubbers have made their way right into private houses. This discovery has been a main impetus for the fast growing production of plastics. The stereoselective poly merization of propylene and other long-chain a-olefins first detected by Giulio Natta leads to an even broadened field of applications. Another enforcing factor were the developments of Standard Oil of Indiana and Phillipps Petroleum Company who engaged in the polymerization of a-olefins supported molybdenum, cobalt and later on chromium catalysts which clearly indicates the wide variety of suitable systems. This kind of research acknowledged merit when in 1963 the Nobel prize of chemistry was awarded to Ziegler and Natta. Although to a great extent there is a technical application for these catalysts, up to now the nature of the active centres and many reaction mechanisms are not completely known.

Organometallic Catalysts and Olefin Polymerization

2001-02-05
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Release : 2001-02-05
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Kind : eBook
Book Rating : 663/5 ( reviews)

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Book Synopsis Organometallic Catalysts and Olefin Polymerization by : R. Blom

Download or read book Organometallic Catalysts and Olefin Polymerization written by R. Blom. This book was released on 2001-02-05. Available in PDF, EPUB and Kindle. Book excerpt:

Organometallic Reactions and Polymerization

2014-07-15 Technology & Engineering
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Release : 2014-07-15
Genre : Technology & Engineering
Kind : eBook
Book Rating : 39X/5 ( reviews)

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Book Synopsis Organometallic Reactions and Polymerization by : Kohtaro Osakada

Download or read book Organometallic Reactions and Polymerization written by Kohtaro Osakada. This book was released on 2014-07-15. Available in PDF, EPUB and Kindle. Book excerpt: This compilation provides advanced graduate students and researchers with a structured overview of olefin polymerization. Divided into eight chapters written by international experts, this book covers polymerization using various organotransition-metal catalysts, including early and late transition metal complexes, new trends in olefin oligomerization and related reactions. All authors address the historic and scientific backgrounds of the field as well as current research progress and potential for further research. The complete book is designed to present eight independent lectures and, because all authors are well versed in organometallic chemistry, each is based on a profound understanding of the reactions and structures of organotransition metal complexes. This book is an ideal accompaniment for researchers taking courses in olefin polymerization and also serves as a valuable resource for teachers and lecturers of chemistry when planning and researching material for advanced lecture courses.

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