In this paper, a composting test on laboratory scale at 28°C and 98% relative humidity was developed to determine the weight loss of polyester amide (PEA) films as well as cotton and flax fiber reinforced composites with different thickness (40–2000 μm). The surface of the samples and the microorganisms were photographically documented. The aim of this research is to determine the degree and rate of biodegradability of PEA and its composites with natural fibers in dependence on the thickness of the samples.
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Jiang et al. (1999) studied this question.