Study of the influence of plasticizers on the thermal and mechanical properties of poly(3-hydroxybutyrate) compounds

The influence of four types of plasticizers, dioctyl phthalate (DOP), dioctyl adipate (DOA), triacetyl glycerol (TAG) and polyadipate (PA), in the thermal and mechanical properties of Poly(3‐hydroxybutyrate) (PHB), a highly crystalline biodegradable polyester, was evaluated in this work. The plastic...

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Published in:Macromolecular symposia. 2003-07, Vol.197 (1), p.33-44
Main Authors: Baltieri, Rodrigo Cirillo, Innocentini Mei, Lucia H., Bartoli, Julio
Format: Article
Language:English
Subjects:
Biodegradability
Crystal structure
Degree of crystallinity
Dioctyl phthalate
Elongation
Glycerols
Mechanical properties
PHB
Plasticizers
thermal properties
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container_title Macromolecular symposia.
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creator Baltieri, Rodrigo Cirillo
Innocentini Mei, Lucia H.
Bartoli, Julio
description The influence of four types of plasticizers, dioctyl phthalate (DOP), dioctyl adipate (DOA), triacetyl glycerol (TAG) and polyadipate (PA), in the thermal and mechanical properties of Poly(3‐hydroxybutyrate) (PHB), a highly crystalline biodegradable polyester, was evaluated in this work. The plasticizers were introduced alone or mixtures of them, using concentrations that varied from 5 to 30% wt. Their influence in some important polymer parameters as Tg, Tm and degree of crystallinity, and on its mechanical behavior, elongation and tensile strain were investigated. The best results were obtained for the sample with 30% TAG and that one using a binary mixture of plasticizers PA 20% and TAG 10%.
doi_str_mv 10.1002/masy.200350704
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source Wiley-Blackwell Read & Publish Collection
subjects Biodegradability
Crystal structure
Degree of crystallinity
Dioctyl phthalate
Elongation
Glycerols
Mechanical properties
PHB
Plasticizers
thermal properties
title Study of the influence of plasticizers on the thermal and mechanical properties of poly(3-hydroxybutyrate) compounds
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