Drying with maintaining porous structure and high absorption capacity.
Hello,
The drying time reduction can be atchieved by reducing the thickness of your samples and/or by increasing the temperature. Some types of gelatin foams can be dried just by vacuum drying without freezing. I would say at +20..+30 C. Vacuum at 0.3 mbar is ok for such process. At the same time, cracks and some collapse of strucure may appear, espessially for thick samples. So, the knowledge of the product properties is essential for understanding the better drying mode.
Regars
Ignat
Maybe this somewhat related RG discussion can help: https://www.researchgate.net/post/is_their_any_changes_occured_during_the_cryogenic_treatment_of_gelatin_protein_for_various_time_period
hot air will also work. It is the most common commercial method.
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