Polyhydroxybutyrate (PHB) is a polyhydroxyalkanoate (PHA), a polymer of the polyester class. PHB is one of the biodegradable plastics. PHB belongs to the thermoplastic polyester and is therefore deformable with heat.
Properties of PHB
Insoluble in water
Low creep
Chemically resistant to alcohols, fats and oils
Not toxic
Organic compatible
Good resistance to UV
Applications of PHB
Foils, wraps, bowls, cutlery, films
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