What are Some Examples of Smart Polymers Used in Catalysis?
Several types of smart polymers have been employed in catalytic processes:
Poly(N-isopropylacrylamide) (PNIPAM): This thermoresponsive polymer undergoes a reversible phase transition at around 32°C. Catalysts embedded in PNIPAM matrices can be activated or deactivated by temperature changes. Poly(acrylic acid) (PAA): As a pH-responsive polymer, PAA can swell or shrink depending on the pH, thereby affecting the local environment of the catalyst. Azobenzene-containing polymers: These photoresponsive polymers can change their configuration upon UV or visible light irradiation, affecting the polymer's properties and the activity of the embedded catalysts.
