Abstract
This paper examines the biodegradability of a new class of materials based on starch and vinylalcohol copolymers, which have been commercialized under the Mater-Bi trademark. Particular attention is given to the biodegradation process for natural and synthetic components of different Mater-Bi grades for film blowing in an aerobic respirometric test, in a SCAS (semicontinuous activated sludge) test, and by submersion in lake water. The correlation between morphology and biodegradation behavior is also considered. Taking into account the prior art on biodegradation of insoluble substrates, a two-step mechanism is proposed for Mater-Bi products.
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Bastioli, C., Bellotti, V., Del Giudice, L. et al. Mater-Bi: Properties and biodegradability. J Environ Polym Degr 1, 181–191 (1993). https://doi.org/10.1007/BF01458026
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DOI: https://doi.org/10.1007/BF01458026