Goodfellow Polyhydroxybutyrate / Polyhydroxyvalerate Film (PHB 92/PHV 8)

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Goodfellow Polyhydroxybutyrate / Polyhydroxyvalerate Film (PHB 92/PHV 8)

Subcategory: Thermoplastic; Polymer

Material Notes:
General Description:

See also PHB. PHB/PHV copolymers are used in preference to PHB homopolymer for general purposes (e.g. molding containers) in order to obtain a better balance of stiffness and toughness. PHV contents of 5 - 20% give a useful range of properties broadly similar to those of the polyolefins (the polyethylenes and polypropylene). They melt at lower temperatures than the homopolymer, giving a useful improvement in melt-processability. Their other properties are similar to those of PHB.

They are being used for biodegradable containers (of which shampoo bottles are the most high-profile example) and other articles difficult to recycle e.g. disposable razors or medically contaminated articles.

Information provided by Goodfellow.

Available Properties

Density
Tensile Strength, Yield
Elongation at Break
Tensile Modulus
Electrical Resistivity
Dielectric Constant
Specific Heat Capacity
Thermal Conductivity
Permeability to Oxygen @25°C
Permeability to Water @25°C

Property Data

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