2022
DOI: 10.21203/rs.3.rs-2313459/v1
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Investigation of physical and rheological properties of LDPE/HDPE/thermoplastic starch biodegradable blend films

Abstract: In this work, low-density polyethylene/high density polyethylene/thermoplastic starch (LDPE/HDPE/TS) films were prepared with different compositions to obtain environmentally friendly materials. LDPE/HDPE/TS blends, at ratios of 95:5:15, 90:10:15, 85:15:15, 85:15:20, 85:15:25 and 85:15:30, were processed into thin films by single-step single-screw extrusion. Fourier transform infrared (FTIR) spectra confirmed the immiscibility of matrices and TS in the blend, also in the SEM micrographs of the films no miscibi… Show more

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“…Martins et al 6 described the addition of rice and potato starch nanocrystals (SNCs) to a low‐density polyethylene (LDPE) matrix with an increase in elongation at break of around 250% when compared with the standard LDPE film. In another study, low‐density polyethylene/high‐density polyethylene/thermoplastic starch (LDPE/HDPE/TS) blends were prepared at different ratios showing an influence of the polysaccharide in the rheological properties 7 . In our study, we focused on blending starch with another biodegradable polymer.…”
Section: Introductionmentioning
confidence: 99%
“…Martins et al 6 described the addition of rice and potato starch nanocrystals (SNCs) to a low‐density polyethylene (LDPE) matrix with an increase in elongation at break of around 250% when compared with the standard LDPE film. In another study, low‐density polyethylene/high‐density polyethylene/thermoplastic starch (LDPE/HDPE/TS) blends were prepared at different ratios showing an influence of the polysaccharide in the rheological properties 7 . In our study, we focused on blending starch with another biodegradable polymer.…”
Section: Introductionmentioning
confidence: 99%