what kind of polymers are prepared by addition reactions of alkenes
Addition polymer Many common addition polymers are formed from unsaturated monomers (usually having a C=C double bond).[3] The most prevalent addition polymers are polyolefins, i.e. polymers derived by the conversion of olefins (alkenes) to long-chain alkanes. The stoichiometry is simple:
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Lithium Organolithium compounds are widely used in the production of polymer and fine-chemicals. In the polymer industry, which is the dominant consumer of these reagents, alkyl lithium compounds are catalysts/initiators.[125] in anionic polymerization of unfunctionalized olefins.[126][127][128] For the production of fine chemicals, organolithium compounds function as strong bases and as reagents for the formation of carbon-carbon bonds. Organolithium compounds are prepared from lithium metal and alkyl halides.[129]
Limit of a function (the Dirichlet function) has no limit at any x-coordinate.