Effect of Heat Treatment on the Properties of PB-1/PP Blends

Wei Zeng; Han Lin Hu; Shu Cai Li

doi:10.4028/www.scientific.net/AMR.721.125

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 721Effect of Heat Treatment on the Properties of...

Effect of Heat Treatment on the Properties of PB-1/PP Blends

Abstract:

PB-1/PP blend was prepared by blending isotactic polybutene-1 and polypropylene with the ratio of 80/20 through Brabender extruder under melted condition, injected into the standard samples. After heat treatment at 75°C, the crystallization, crystal forms, dynamic mechanical properties, mechanical properties of the blends were studied via differential scanning calorimetry (DSC), X-ray Diffraction (XRD), dynamic mechanical analyzer (DMA) and mechanical testing machines, respectively. It was found that after heat treatment: both the melt temperature and the melting enthalpy of crystal form I in PB-1 component increased, the melt peak of crystal form II decreased gradually, while the melt temperature and melting enthalpy of PP as a disperse phase, maintained unchanged basically; the storage modulus of the blend increased and the tan δ decreased a bit; the mechanical properties of the blend were improved noticeable.

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Periodical:

Advanced Materials Research (Volume 721)

Pages:

125-129

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.721.125

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Online since:

July 2013

Authors:

Wei Zeng, Han Lin Hu, Shu Cai Li

Keywords:

Crystallization, Dynamic Mechanical Properties, Heat Treatment, Mechanical Property, Polybutene-1, Polypropylene (PP)

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