Polymers GenChem v2

Polymers GenChem v2 - Polymers Kathryn Uhrich Chemistry...

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Polymers Kathryn Uhrich Nov 17,2008
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“I just want to say one word to you - just one word.” “Plastics.” “There's a great future in plastics.” What is a Polymer?
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z A macromolecule of high molecular weight/mass composed of repeating structural units (“monomers”) or chains of atoms covalently linked together z Polymers are generally classified as natural ( e.g ., DNA, proteins, cellulose) and synthetic (plastics) ghr.nlm.nih.gov/handbook/illustrations/dnastructure.jpg What is a Polymer?
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monomer = smallest unit that is converted into polymer repeat unit = smallest reiterative unit Nomenclature
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Polymers Display Unique Properties z High molecular weights higher Mw means properties different from small molecules (e.g., viscosity, solubility, elasticity, mechanical strength, etc.) •‘ film-forming’ is historical reference point • styrene vs. polystyrene z Glass transition temperature (T g )
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One of most well known and used drugs, along with C 2 H 5 O and C 8 H 10 N 4 O 2 Non-steroidal anti-inflammatory drug (NSAID) Aspirin
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Erdmann, L and Uhrich, KE Biomaterials , 21 (19) 1941-1946 (2000) PolyAspirin
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Polymers GenChem v2 - Polymers Kathryn Uhrich Chemistry...

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