Blending and characterizations of microbial poly(3-hydroxybutyrate) with dendrimers

Xu Songling, Luo Rongcong, Wu Linping, Kaitian Xu, Guo Qiang Chen

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Blending of microbial polyester poly(3-hydroxybutyrate) (PHB) with various dendritic polyester oligomers or dendrimers was achieved by solution casting to improve the film forming ability of PHB. Films of the blends were characterized by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning electron micrograph (SEM), and Fourier transform infrared spectroscopy (FTIR). It was revealed that there were mainly two types of interactions in the blending system: the plasticizing or lubricating effect of the low melting spherical dendrimers molecules improved the polymer chain mobility through the suppression of PHB crystallization in the blends; The dendrimers also functioned as crosslinking agents or antiplasticizing agents via weak hydrogen bonding to enhance the overall intermolecular interactions which decrease the chain mobility and thus cause the increase of glass transition temperature (T g) of PHB. TGA results concluded that incorporating the dendrimers could retard the thermal decomposition of PHB and enhanced its thermal stability accordingly. With the above blend processes, the so-obtained PHB possessed better film forming ability and even patterned surface structures.

Original languageEnglish (US)
Pages (from-to)3782-3790
Number of pages9
JournalJournal of Applied Polymer Science
Volume102
Issue number4
DOIs
StatePublished - Nov 15 2006

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Dendrimers
Polyesters
Thermogravimetric analysis
Crystallization
Oligomers
Surface structure
Crosslinking
Fourier transform infrared spectroscopy
Differential scanning calorimetry
Hydrogen bonds
Polymers
Casting
Melting
Pyrolysis
Thermodynamic stability
Scanning
Molecules
poly-beta-hydroxybutyrate
Electrons

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Songling, Xu ; Rongcong, Luo ; Linping, Wu ; Xu, Kaitian ; Chen, Guo Qiang. / Blending and characterizations of microbial poly(3-hydroxybutyrate) with dendrimers. In: Journal of Applied Polymer Science. 2006 ; Vol. 102, No. 4. pp. 3782-3790.
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abstract = "Blending of microbial polyester poly(3-hydroxybutyrate) (PHB) with various dendritic polyester oligomers or dendrimers was achieved by solution casting to improve the film forming ability of PHB. Films of the blends were characterized by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning electron micrograph (SEM), and Fourier transform infrared spectroscopy (FTIR). It was revealed that there were mainly two types of interactions in the blending system: the plasticizing or lubricating effect of the low melting spherical dendrimers molecules improved the polymer chain mobility through the suppression of PHB crystallization in the blends; The dendrimers also functioned as crosslinking agents or antiplasticizing agents via weak hydrogen bonding to enhance the overall intermolecular interactions which decrease the chain mobility and thus cause the increase of glass transition temperature (T g) of PHB. TGA results concluded that incorporating the dendrimers could retard the thermal decomposition of PHB and enhanced its thermal stability accordingly. With the above blend processes, the so-obtained PHB possessed better film forming ability and even patterned surface structures.",
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Blending and characterizations of microbial poly(3-hydroxybutyrate) with dendrimers. / Songling, Xu; Rongcong, Luo; Linping, Wu; Xu, Kaitian; Chen, Guo Qiang.

In: Journal of Applied Polymer Science, Vol. 102, No. 4, 15.11.2006, p. 3782-3790.

Research output: Contribution to journalArticle

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AU - Linping, Wu

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