1. A Brief Introduction to Microfluidic Synthetic Polymers Charles Brooks ENMA 490

2. Polymers to Know About PDMS PMMA PTFE PVC PVDF

3. Poly(dimethylsiloxane) [(CH 3 ) 2 SiO] n High flexibility (low Tg of 150 K) High gas permeability Hydrophobic Used in soft contact lenses http://optochemicals.com/products/info_simply_easyclean.htm

4. Poly(methyl methacrylate) [CH 2 C(CH 3 )COOCH 3 ] n Tg of 380 K for atactic Low light absorption up to 260nm Used in hard contact lenses

5. Poly(tetrafluoroethylene) [CF 2 CF 2 ] n Tg generally around 240 K Used often for nonstick and harsh chemical applications

6. Poly(vinyl chloride) [CH 2 CCl] n Rigid (high Tg around 370 K) Commonly used for piping in building applications

7. Poly(vinylidine fluoride) [CH 2 CF 2 ] n Resistant to chemicals and environmental stress Piezoelectric properties Flexible (high Tg around 238 K) Used in fittings, valves, and ultrafiltration membranes.