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Thermo‐Mechanical and Morphological Characterization of Plasticized Poly[(R)‐3‐hydroxybutyric acid]
Author(s) -
Grillo Fernandes E.,
Pietrini M.,
Chiellini E.
Publication year - 2004
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200451416
Subject(s) - plasticizer , degradation (telecommunications) , materials science , characterization (materials science) , polymer chemistry , chemical engineering , composite material , nanotechnology , telecommunications , computer science , engineering
Blends of poly[(R)3‐hydroxybutyryric acid) (PHB) with different plasticizers were investigated by TGA, DSC, OM and mechanical testing. Markedly hydrophilic plasticizers promote PHB thermal‐degradation through a light alcoholysis reaction. All the used plasticizers were compatible with PHB up to a maximum load of 5 wt‐%. Higher loads were recorded with increasing of plasticizer molecular weight.
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