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what is biodegradable plastic made of?

Biodegradable plastics are normally created from sugar derivatives, i.e. polysaccharides, of plant origin, such as starch or cellulose, or animal origin, such as chitin. Polysaccharides of plant origin are chemically reduced to obtain the glucose molecule, from which they are then polymerised again to obtain molecules such as lactic acid. Polysaccharides, such as starch, can also be plasticised with suitable substances, such as glycerol. If this second route is considered, it is possible to exploit plant and animal waste for the production of biodegradable plastics with greater sustainability. Bioplastics are biodegradable and can also be compostable and enter the compost by contributing to the growth process of plant species. This increases the number of plant and in some cases animal wastes, whose polysaccharide-based waste is extracted for the production of bioplastics. The term biodegradable plastic is often improperly extended to other bio-based materials, such as those extracted from animal proteins, e.g. milk, which form promising materials but do not normally exhibit plasticity and thermoplasticity characteristics. Instead, these materials, such as wood, tend to carbonise above a certain temperature. This does not detract from the fact that these materials, which are based on proteins or other polysaccharides that are more resistant to water, such as lignin in the case of wood, are also of interest in freeing us from the slavery of oil and making it possible to reuse the waste that we produce in excessive quantities.

are biodegradable plastics better for the environment.

Bioplastics Biodegradable plastic - Discover our products Off grade biocompound - Discover what we buy

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