Structural characteristics and enhanced mechanical and thermal properties of full biodegradable tea polyphenol/poly(3-hydroxybutyrate-co-3-hydroxyvalerate) composite films | Zendy

Hengxue Xiang | Zendy; Shaohua Chen | Zendy; Yanhua Cheng | Zendy; Zhe Zhou | Zendy; Meifang Zhu | Zendy

Open Access

Structural characteristics and enhanced mechanical and thermal properties of full biodegradable tea polyphenol/poly(3-hydroxybutyrate-co-3-hydroxyvalerate) composite films

Author(s) -

Hengxue Xiang,

Shaohua Chen,

Yanhua Cheng,

Zhe Zhou,

Meifang Zhu

Publication year - 2013

Publication title -

express polymer letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.695

H-Index - 72

ISSN - 1788-618X

DOI - 10.3144/expresspolymlett.2013.75

Subject(s) - materials science , composite number , polyphenol , composite material , thermal , poly 3 hydroxybutyrate , chemical engineering , organic chemistry , chemistry , physics , engineering , antioxidant , meteorology

Full biodegradable poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) composite films were prepared with 5~40 wt% green tea polyphenol (TP) as toughener. The effects of mixing TP on mechanical properties, thermal properties and hydrophilic-hydrophobic properties of composite films were investigated. Tension test results show that the incorporation of TP in the PHBV matrix can enhance the toughness of the composite films. Differential scanning calorimetric (DSC) studies show that there is a single glass transition temperature and the lower melting point temperature. Fourier transform infrared (FT-IR) results confirm that the intermolecular hydrogen bonding interactions in composite films. Contact angle measurements show that the hydrophilicity of TP/PHBV composite films can be controlled through adjusting the composition of TP

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