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Biodegradable biopolymers: Real impact to environment pollution
Larisa G Pinaeva1, Aleksandr S Noskov1
1Boreskov Institute of Catalysis SB RAS, Pr. Akad. Lavrentieva, 5, 630090 Novosibirsk, Russia.
The Science of the Total Environment
|July 9, 2024
Summary
Biobased biodegradable polymers (BBP) offer alternatives to petroleum plastics but raise safety concerns. Further research into safer additives and recycling technologies is crucial for sustainable expansion.
Area of Science:
- Materials Science
- Environmental Science
- Polymer Chemistry
Background:
- Biobased biodegradable polymers (BBP) are explored as sustainable alternatives to petroleum-based plastics like PE, PP, and PET.
- Their adoption aims to mitigate environmental issues caused by plastic waste accumulation.
- However, concerns exist regarding the safety of BBP and their additives.
Purpose of the Study:
- To review current production methods for abundant BBP, specifically polylactic acid (PLA) and polyhydroxybutyrate (PHB).
- To emphasize the toxicity of compounds used in BBP production and additives.
- To assess the environmental safety and recyclability of BBP.
Main Methods:
- Literature review of BBP production methods.
- Analysis of toxicity data for compounds and additives used in PLA and PHB.
- Evaluation of existing recycling technologies for BBP and their blends.
Main Results:
- Many additives used in BBP are identical to those in traditional polymers, raising safety questions.
- Exposure data indicates potential risks to organisms and plants from BBP and their degradation products.
- Recycling technologies for BBP are underdeveloped compared to conventional plastics.
Conclusions:
- The safety of current BBP and their additives requires further investigation.
- Development of safer additives and sustainable production technologies is essential.
- Advanced recycling methods are needed to support the market growth of biobased biodegradable products.
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