Polymer Synthesis CHEM 421 F-22. Polymer Synthesis CHEM 421 B-2.

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Presentation transcript:

Polymer Synthesis CHEM 421 F-22

Polymer Synthesis CHEM 421 B-2

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

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

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

Polymer Synthesis CHEM 421 Balloon Angioplasty From Balloon Angioplasty without stent Balloon Angioplasty with stent

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

Polymer Synthesis CHEM 421 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” - “parts” Polymerization

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

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

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

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

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

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

Polymer Synthesis CHEM 421 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

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