2.10. Polymerization of Alkenes: Addition Polymers
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Addition Reactions of Alkenes The Diels-Alder reaction, addition of oxygen to tetrakis(N, N-dimethylamino) ethylene, polymerization of ethylene, and addition of iodine to a-pinene are demonstrated. Molecular models of ethene are shown.
Addition Reactions |
Alkenes
Diels-Alder Visualization Several computer animations of a Diels-Alder reaction that were created as an undergraduate student project are presented.
Organic Functional Group Playing Card DeckMichael J. Welsh Organic functional group playing card deck used for review of the name and structure of organic functional groups that can be used to play any game that a normal deck of cards is used for. Welsh, Michael J. J. Chem. Educ.2003, 80, 426.
Nomenclature / Units / Symbols |
Nonmajor Courses |
Enrichment / Review Materials |
Alcohols |
Aldehydes / Ketones |
Alkanes / Cycloalkanes |
Alkenes |
Alkynes |
Amides |
Amines / Ammonium Compounds |
Aromatic Compounds |
Carboxylic Acids |
Esters |
Ethers |
Mechanisms of Reactions |
Synthesis
Bromination, Elimination, and Polymerization: A 3-Step Sequence for the Preparation of Polystyrene from EthylbenzeneElizabeth M. Sanford and Heather L. Hermann An organic chemistry lab that introduces students to polymer chemistry is presented. Students complete a radical bromination of ethylbenzene, which is followed by elimination to give styrene. A radical polymerization is then completed to produce polystyrene. Sanford, Elizabeth M.; Hermann, Heather L. J. Chem. Educ.2000, 77, 1343.
Free Radicals |
Synthesis |
Polymerization
A Puzzling Alcohol Dehydration Reaction Solved by GC–MS AnalysisMichael W. Pelter and Rebecca M. Macudzinski The reaction of 2-methyl-2-propanol with ~50% sulfuric acid at 100 C yields isobutylene, which reacts further by a "puzzling" reaction. By coupling the GC/MS analysis of the product mixture with their knowledge of the mechanism of alcohol dehydration and alkene reactivity, students are able to identify the major products of this reaction. Pelter, Michael W.; Macudzinski, Rebecca M. J. Chem. Educ.1999, 76, 826.
