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Delve into the world of polymer science, covering topics like porous particles, crosslinkers, and charge manipulation. Learn about polymer economics, petrochemical industry, and material innovations. Discover how chemistry, engineering, and physics intersect in this fascinating field.
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Particle Technology NanoHydrogels Porous Particles Increasing Crosslinker + + + + + + Increasing Charge + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Vent CO2 2VP/ Sty Add CO2 MMA microvoid DeSimone et. al. J. Am. Chem. Soc. 2002, 15198-15207
Goretex Open pore structure maintained aftercoating due to excellent wetting leadingto conformal coating
Pt-free Electrode Science2008, 321, 671
Balloon Angioplasty Balloon Angioplasty without stent Balloon Angioplasty with stent From http://www.Angioplasty.org
Materials Biopolymers 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.
What is polymer science? • Derivation poly - meros “many” - “parts” • Polymerization
Classifications InorganicNatural Synthetic OrganicNatural Synthetic Clays Sand tc. Silicones Silanes Phosphazenes etc. Polysaccharides (Carbohydrates) Proteins DNA Natural Rubber Silk etc. Polyolefins Polyesters Polyurethanes Nylons etc.
Economics • 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 • The petrochemical industry is 90% based on 7 raw materials • The Basic Seven
Top Ten HDPE Capacities in the US (2002) Millions of Pounds
Post 9/11 Security Issues • 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