BEM is provided in hydrocarbon solutions. It is used primarily in the manufacture of MgCl2-based Ziegler-Natta olefin polymerization catalysts. BEM can also be used as an alkylating agent. BEM is currently sold in heptane, isohexane, and isopentane at a typical concentration of 20 wt%. In solution, BEM exhibits a one-dimensional oligomeric structure associated by electron-deficient butyl and…
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ETHACURE 100 curative is an effective curing agent for polyurethanes and epoxy resins. It may also be used as a chain extender for polyurethane and polyurea elastomers, particularly in reaction injection molding and spray applications.
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Diethyltoluenediamine is an effective extender for polyurethane elastomers, particularly in RIM applications. Other uses are as curing agent for polyurethanes and epoxies; antioxidant for elastomers, lubricants and industrial oils; and as a chemical intermediate.
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Durch die Verwendung einer „fertigen“ Dibutylether-Lösung wird die Handhabung des sehr hygroskopischen und staubigen ZnBr₂- und LiBr-Pulvers vermieden. Die ZnBr₂/LiBr-Dibutylether-Lösung wurde hauptsächlich für die Anwendung in der organischen Synthese entwickelt, z. B.: - Transmetallierung von Organomagnesium- und Organolithiumverbindungen zu den entsprechenden Zinkreagenzien für C-C-…
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Zinc bromide/Lithium bromide (CAS 7699-45-8) is a zinc salt (Lewis acid/reagent) with molecular formula ZnBr2. It is typically supplied as a liquid. It is commonly used as a strong base for selective deprotonation and related transformations. The use of a 'ready-made' dibutyl ether solution avoids the handling of the very hygroscopic and dusty ZnBr2 and LiBr powder. The ZnBr2/LiBr dibutyl ether…
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