Hemp plastics
Understanding key terms
- Biobased plastics : This term refers to the origin of materials. They are made from biomass (such as plants), organic compounds, or CO₂ and CH₄, replacing oil resources.
Biodegradable plastic This is a property of the material, which can be broken down by micro-organisms into carbon dioxide, water and biomass.
These two concepts are independent. A biodegradable plastic is not necessarily made from biological materials, and conversely, a biosourced plastic is not necessarily biodegradable.
- Compostable A compostable material breaks down within a defined framework into carbon dioxide, water and biomass. This can be done via domestic composting (at ambient temperature) or industrial composting (with higher temperatures and controlled conditions). Compostable materials, whether derived from biomass or petrochemicals, meet specific certification standards, depending on the region (North America, Japan, Europe).
Hemp in our cars
In 1941, Henry Ford unveiled his prototype of the "plastic car"mainly made from hemp, flax and soya. Why hemp? Because of its robustness. This resistance, due to the natural fibres, results in a vehicle that is both light and strong, two qualities that are ideal for the energy economy. fuel and safety. Unfortunately, this project was scuppered by the Second World War. The hemp car The rest never saw the light of day and remained at the prototype stage, but it is a reminder of the untapped potential of this plant.
Today, Ford's idea is far from forgotten. It inspires today's innovations in sustainable development.
Several brands ofautomotive are turning to bio-based materials to reduce their environmental impact. They are incorporating its fibre into dashboards, doors and boot lids to strengthen and lighten plastics.
Hempeartha Canadian company, has created the first aircraft made from and supplied with hemp. The plane has a wingspan of 11 metres, seats a pilot and four passengers, and runs on hemp oil.