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BIOPLASTICS
julie aballea
Created on May 31, 2023
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Transcript
bioplastics
Julie Aballéa & Rozenn Busson 1A BUT GENIE BIOLOGIQUE 2022/2023
What is a bioplastic?
1.
A little bit of history...
1908
1930
Same period
2000s
Production growth of bioplastics was slowed down
Non-food plastic materials
Biosourced polymer objects
Invention of cellophane
2.
Jacques Edwin Brandenberger
Henry Ford
How many types of bioplastics?
BIODEGRADABLE & biosourced
THE non-biodegradable & biosourced
Of fossil origin & biodegradable
bio-polyethylene
polylactic acid
polybutylene succinate
3.
Degradation time of a bioplastic
4.
Composition
5.
VS
BIOPLASTIcs
plastic
Made of plant carbon
Made of fossil carbon
Renewable
From plants, starch, vegetable oil or glucose derived from starch
6.
Why ?
→ 500 to 1000 billion tonnes of plastic bags per year→ Petroleum-based, non-biodegradable waste = 400 years of decomposition
According to IUCN, 7 kg of plastics discarded every second
Biomaterials production is increasing by 60% per year.
7.
Advantages and disadvantages of bioplastics
8.
Evolution of bioplastics over time
9.
Conclusion