Apart from casting, is there other forming or drying technique for cellulose nanocrystals (CNC) film while preserving the chiral nematic structure and iridescent look ?
I want to reduce the time for drying with casting technique at room temperature (25-40 C). Is there any one succeeded with other technique for drying or forming iridescent CNC film ?
Cheers,
Hai Le Van
In our lab, we have dried cellulose nanofiber in oven drier at 40 and 60 Celsius degree, still observed iridescent. We haven't try higher temperature.
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