Investigation on correlation between protein content and moisture absorption-desorption rate of protein coating
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The moisture absorption rate (MAR) and moisture desorption rate (MDR) are important for industrial coatings that request optimum tactile feel. One method is to include protein into the surface of the coating. It is important to understand the relationship between protein concentration and MAR-MDR. This research investigats the correlation between the protein content and MAR-MDR by using three types of protein: soy protein, fungal protein and industrial recycled protein (IRP). Except for the MAR result of fungal protein coating, all the other results showed there is none direct linear correlation between protein content and MARMDR in the testing ranges.