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RSS FeedsMolecules, Vol. 28, Pages 1220: Thermal and Morphological Analysis of Linear Low-Density Polyethylene Composites Containing d-limonene/β-cyclodextrin for Active Food Packaging (Molecules)

 
 

26 january 2023 16:24:12

 
Molecules, Vol. 28, Pages 1220: Thermal and Morphological Analysis of Linear Low-Density Polyethylene Composites Containing d-limonene/β-cyclodextrin for Active Food Packaging (Molecules)
 


Composites made of linear low-density polyethylene (LLDPE) and β-cyclodextrin/<font style="font-variant: small-caps">d</font>-limonene inclusion complex (CD-lim) were prepared by melt extrusion to develop a novel food packaging material. Scanning electron microscopy evidenced a fairly good dispersion of the filler within the polymeric matrix. Infrared spectroscopy coupled with thermogravimetric analysis confirmed the presence of CD-lim in the composites, proving that the applied technology of including the essential oil within β-CD cages allows for preventing a sizable loss of <font style="font-variant: small-caps">d</font>-limonene despite a high temperature and shear applied upon extrusion processing. Moreover, the influence of the filler on the thermal properties of PE was assessed. It was found that the cyclodextrin-based inclusion complex significantly fastens the crystallization path of the polyethylene matrix with an improved crystallization rate of the PE/CD-lim composites compared to the neat polymer.


 
97 viewsCategory: Biochemistry, Chemistry, Molecular Biology
 
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