Journal
JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
Volume 59, Issue 4, Pages 213-222Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00222348.2019.1709710
Keywords
High-density polyethylene; mechanical properties; toughening
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Funding
- Fundamental Research Funds in the Heilongjiang Provincial Universities of China [YSTSXK201864]
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In view of the toughness and processing difficulty of high-density polyethylene (HDPE) film, the HDPE was modified by polypropylene (PP) and linear low density polyethylene (LLDPE), and the melt index, haze, dart impact strength, elongation at break were characterized. In addition the infrared spectra (IR), scanning electron microscopy (SEM), infrared image analysis, and differential scanning calorimetry (DSC) data were obtained. The results showed that the toughening effect of the 10%PP/30%LLDPE/60%HDPE composition was the best; the haze was reduced 6% and its dart impact strength and elongation at break were increased by 27.3% and 47%, respectively, relative to the pure HDPE. The blend of 10%PP/30%LLDPE/60%HDPE had compatibility. The melting point of the 10%PP/30%LLDPE/60%HDPE blend film increased by 5 degrees C compared with the pure HDPE film, with the results indicating the application fields of HDPE film could be widened.
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