Chemical equilibrium and molar group contribution analysis of the flammability of poly-3-hydroxybutyrate

An important biopolymer, PHB, has no published data on its flammability. This study estimates ignition temperature and calculates heat release capacity for PHB to determine flammability. Using chemical equilibrium calculations to predict evolution of flammable species, the ignition temperature of PH...

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Bibliographic Details
Published in:Polymer degradation and stability 2013-01, Vol.98 (1), p.387-391
Main Author: Hart, John R.
Format: Article
Language:English
Subjects:
Applied sciences
Bioplastics
Biopolymers
chemical equilibrium
Estimates
Evolution
Exact sciences and technology
Fire safety
Flammability
Flammable
heat
Ignition
Ignition temperature
Mathematical analysis
PHB
Physical properties
poly-3-hydroxybutyrate
Polymer industry, paints, wood
Properties and testing
Stability
Technology of polymers
temperature
Thermic properties and inflammability
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Summary:An important biopolymer, PHB, has no published data on its flammability. This study estimates ignition temperature and calculates heat release capacity for PHB to determine flammability. Using chemical equilibrium calculations to predict evolution of flammable species, the ignition temperature of PHB is estimated to be 375 °C (to about ±10 °C). Using the molar group contribution method, the PHB heat release capacity is calculated to be 765 J/g-K. Both the PHB ignition temperature and heat release capacity indicate that PHB has an average flammability for a commodity polymer.
ISSN:0141-3910
1873-2321
DOI:10.1016/j.polymdegradstab.2012.09.001