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

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Presentation transcript:

A Brief Introduction to Microfluidic Synthetic Polymers Charles Brooks ENMA 490

Polymers to Know About PDMS PMMA PTFE PVC PVDF

Poly(dimethylsiloxane) [(CH 3 ) 2 SiO] n High flexibility (low Tg of 150 K) High gas permeability Hydrophobic Used in soft contact lenses

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

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

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

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.