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PHAs are natural polyesters of organic acids. In nature, they serve as energy storage for many microorganisms. Polyhydroxyalkanoates can be composed of more than 150 types of monomers, which in combination provide a large number of materials with different properties. We currently produce poly-3-hydroxybutyrate (P3HB).
PHAs are natural polyesters of organic acids. In nature, they serve as energy storage for many microorganisms. Polyhydroxyalkanoates can be composed of more than 150 types of monomers, which in combination provide a large number of materials with different properties. We currently produce poly-3-hydroxybutyrate (P3HB).
P3HB is non-toxic, biocompatible and fully biodegradable. What does it mean? It is friendly both to the nature and human. P3HB is nature-designed, which brings several advantages:
P3HB is non-toxic, biocompatible and fully biodegradable. What does it mean? It is friendly both to the nature and human. P3HB is nature-designed, which brings several advantages:
P3HB is of bacterial origin and can be also decomposed by bacteria (and other organisms). Waste from P3HB does not persist in the environment, it is rapidly degraded.
Human body well accepts P3HB – it causes no irritation or immune response. This makes P3HB a perfect material not only for biomedicine and tissue engineering, but also cosmetics.
P3HB is a white powder with milky odor. It is best used in the natural powder form – especially in cosmetics. In such case, the particle size matters. The bacterial cell is not bigger than few micrometers. Hence, even the P3HB granules are micro sized. After the isolation process, we filter the bigger particles from the smaller ones, so we can offer P3HB of various particle size for various applications.
P3HB is a white powder with milky odor. It is best used in the natural powder form – especially in cosmetics. In such case, the particle size matters. The bacterial cell is not bigger than few micrometers. Hence, even the P3HB granules are micro sized. After the isolation process, we filter the bigger particles from the smaller ones, so we can offer P3HB of various particle size for various applications.
We desire to produce P3HB with various characteristics designed for specific applications. The knowledge of various material properties based on polymer characteristics is the important part of our know-how.
Melting
Extrusion
Heat-press
3D printing
Electrospinning
Melting temperature
Glass transition temperature
Molecular weight
Crystallinity
The main obstacle in the polymer processing is higher brittleness. However, we can overcome such drawback by two different approaches:
PHBH or PHBV contain a small percentage of different monomer in the chemical structure. This makes the molecule of polymer more disordered and the resulting material more plastic.
We can mix P3HB with other polymers and additives to improve its processability. We currently develop our original approach to enter the packaging market.
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