F22 Polymer Synthesis CHEM 421 B2 Polymer Synthesis

F-22 Polymer Synthesis CHEM 421

B-2 Polymer Synthesis CHEM 421

Particle Technology Nano Hydrogels Porous Particles Increasing Charge Increasing Crosslinker + + + + ++ + + ++ Polymer Synthesis CHEM 421 + + + + ++ + + ++ De. Simone et. al. J. Am. Chem. Soc. 2002, 15198 -15207 2 VP/ Sty Add CO 2 MMA Vent CO 2 microvoid

Goretex Open pore structure maintained after coating due to excellent wetting leading to conformal coating Polymer Synthesis CHEM 421

Pt-free Electrode Polymer Synthesis CHEM 421 Science 2008, 321, 671

Balloon Angioplasty Polymer Synthesis CHEM 421 Balloon Angioplasty without stent Balloon Angioplasty with stent From http: //www. Angioplasty. org

Materials Biopolymers Polymer Synthesis CHEM 421 Carbon Nanotubes Polymer fibers: stronger than steel! Packaging Lubricants

What is polymer science? • Chemistry – – – – • Organic Inorganic Physical Analytical Biochemistry Pharmacology Theoretical Physics – Static – Dynamic • Engineering / Material Science – – – – Transport Reaction engineering Separations Rheology Fracture mechanics Composites Etc. Polymer Synthesis CHEM 421

What is polymer science? • Derivation poly - meros “many” - • Polymerization “parts” Polymer Synthesis CHEM 421

Classifications Inorganic Natural Clays Sand tc. Synthetic Silicones Silanes Phosphazenes etc. Polymer Synthesis CHEM 421 Organic Natural Synthetic Polysaccharides (Carbohydrates) Proteins DNA Natural Rubber Silk etc. Polyolefins Polyesters Polyurethanes Nylons etc.

Economics Polymer Synthesis CHEM 421 • 53 billion pounds of synthetic polymers produced annually (1989) » 200 lbs / person / year » 1991 : 63 billion pounds » 1995 : 76 billion pounds » 2000 : 103. 1 billion pounds • 60% of all chemists directly involved with polymers • Contributes positively to the trade imbalance

Petrochemical Industry Polymer Synthesis CHEM 421 • The petrochemical industry is 90% based on 7 raw materials • The Basic Seven

U. S. Ethylene Demand (2001) Polymer Synthesis CHEM 421

Millions of Pounds Top Ten HDPE Capacities in the US (2002) Polymer Synthesis CHEM 421

Post 9/11 Security Issues Polymer Synthesis CHEM 421 • Potential financial impact of terrorism on the US Chemical Industry • Interdependencies…

Polymer Parameters • Chemical structure – Chemical composition and distribution – Sequence length and distribution • • • Molecular weight and distribution Chain isomerism Topology Morphology Additives Cost Polymer Synthesis CHEM 421

Chemical Composition Polymer Synthesis CHEM 421