When several identical chemical groups are incorporated into a single molecule and interact with each other, they exhibit different properties from those they have when they are isolated. These new properties, arising from direct or indirect interactions of identical chemical groups in a single molecule, are generally called “polymer effects,” but when the interaction is caused by short-range forces they are really oligomeric effects. The chemical groups in question can be skeletal repeating units of a linear polymer, their side chains, or separate groups buried in a coiled polymer. Although there are many different features of polymer effects, this chapter focuses mainly on energy levels and reactivities. Simple matrix effects by polymer chains and crystallization effects are not discussed.
KeywordsLower Unoccupied Molecular Orbital Allosteric Effect Ultraviolet Photoelectron Spectroscopy Polymer Effect Vinyl Carbazole
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