An investigation of the impact of an amino-ended hyperbranched polymer as a new type of modifier on the compatibility of PLA/PBAT blends
-
Yujuan Jin
,
Shuang Men
Abstract
Poly(lactic acid) (PLA)/poly(butylene adipate-co-terephthalate) (PBAT) blends using amino-ended hyperbranched polymers (HBP) as modifiers were prepared by melt-mixing through a double-roller mill and injection molding. It was found that when the content of HBP was 2.5 phr, the elongation at break and the impact strength of PLA/PBAT blends both reached peak values. Moreover, by addition of HBP, the ΔTg of the blends was smaller. These results, together with Scanning electron microscope (SEM) images on the fractured morphology of the blends, indicate that the compatibility between PLA and PBAT is improved upon addition of HBP. The mechanism of the impact of HBP on the improvement of the compatibility between PLA and PBAT is proposed based upon Fourier transform infrared (FTIR) spectra.
Acknowledgments
The authors thank the National Science Found (project no. 51503007) for financial support. WY acknowledges the National Science Found for the award of a general program (project no. 51473006).
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Articles in the same Issue
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- Preparation of oriented bacterial cellulose nanofibers by flowing medium-assisted biosynthesis and influence of flowing velocity
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Articles in the same Issue
- Frontmatter
- Material properties
- Influence of particle size of isotactic polypropylene (iPP) on barrier property against agglomeration of homogenized microcrystalline cellulose (HMCC) in iPP/HMCC composites
- An investigation of the impact of an amino-ended hyperbranched polymer as a new type of modifier on the compatibility of PLA/PBAT blends
- Study on the adhesive properties of reactive liquid rubber toughened epoxy-clay hybrid nanocomposites
- Morphology, rheology and biodegradation of oxo-degradable polypropylene/polylactide blends
- Long term hydrothermal effect on the mechanical and thermo-mechanical properties of carbon nanofiber doped epoxy composites
- Long term accelerated aging investigation of an epoxy/silica nanocomposite for high voltage insulation
- Mechanical and morphological properties of modified halloysite nanotube filled ethylene-vinyl acetate copolymer nanocomposites
- Evaluation of polypropylene hybrid composites containing glass fiber and basalt powder
- Preparation and assembly
- Ibuprofen loaded nano-ethanolic liposomes carbopol gel system: in vitro characterization and anti-inflammatory efficacy assessment in Wistar rats
- Preparation of oriented bacterial cellulose nanofibers by flowing medium-assisted biosynthesis and influence of flowing velocity
- Engineering and processing
- Thin-wall injection molding of high-density polyethylene for infrared radiation system lenses
- Replication of micro-structured injection molds using physical vapor deposition coating and dynamic laser mold tempering
