1. Stabilizing bioplastics materials
Despite their lower processing temperatures, plastics from compostable renewable resources are inherently less thermally stable. This is usually due to two factors: the catalyst and the chemical structure of these materials.
The first factor is usually managed directly by the biopolyester producer, by complexing the catalyst to incorporate a selectivity that limits depolymerization reactions. However, this step is not always mastered industrially, especially by small-scale producers or new market entrants. We therefore advise you to work with the main players identified. They now have the necessary experience to guarantee stable properties throughout your transformation process.
The second factor can be managed by incorporating secondary thermal stabilizers, more specifically stabilizers with phosphite groups.
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Stabilizing bioplastics materials
Modification of final properties
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Acronyms and abbreviations
PBAT: PolyButylene (Adipate-co-Terephthalate)
PBS: PolyButyleneSuccinate
PE: Polyethylene
PET: PolyEthyleneTerephthalate
PHAs: PolyHydroxyAlcanoates
PHB: PolyHydroxyButyrate
PHBV: PolyHydroxy (Butyrate-co-Valerate)
PLA: PolyLactic Acid...
Glossary
kDa
Kilo Dalton ~ kilo gram/moles
Master batch
Concentrate in granulated form containing active ingredients to achieve specific desired performance benefits, either in the manufacture of products or in the finished products themselves.
Meltstrengthenhancer
Additives to increase the viscosity and toughness...
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