Water absorption of PALF reinforced soy based
biocomposites and soy based bioplastic were measured
according to ASTM D570-81. Soy based bioplastic and
biocomposites were dried in an oven at 50 8C for 24 h and
cooled in a desiccator before weighting. These samples
were submerged in distilled water for a designated period of
time. Water on the surface of the samples was removed and
the samples’ weight was measured. In order to check the
water-soluble content of samples during soaking, samples
were dried at 50 8C for 24 h and then the weight loss of the
samples was determined. The sum of the weight gain
following soaking plus the weight loss after drying is
defined as the total absorbed water.