Effect of clay and clay/essential oil in packaging films | Zendy

Torin Rondes Ferreira da Silva | Zendy; Camani Paulo Henrique | Zendy; da Silva Larissa Nunes | Zendy; Sato Juliana Alves Pereira | Zendy; Ferreira Fabio Furlan | Zendy; Rosa Derval dos Santos | Zendy

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Effect of clay and clay/essential oil in packaging films

Author(s) -

Torin Rondes Ferreira da Silva,

Camani Paulo Henrique,

da Silva Larissa Nunes,

Sato Juliana Alves Pereira,

Ferreira Fabio Furlan,

Rosa Derval dos Santos

Publication year - 2018

Publication title -

polymer composites

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.577

H-Index - 82

eISSN - 1548-0569

pISSN - 0272-8397

DOI - 10.1002/pc.24457

Subject(s) - low density polyethylene , crystallinity , materials science , montmorillonite , nanocomposite , thermogravimetric analysis , thermal stability , carvacrol , scanning electron microscope , organoclay , polyethylene , composite material , chemical engineering , essential oil , chemistry , engineering , chromatography

The influence of the different contents of organo‐modified montmorillonite clay (1 and 3%wt.) and two essential oils (Carvacrol and Eugenol ‐ 2 and 6%wt.) when incorporated into low‐density polyethylene films (LDPE) was characterized by X‐ray diffraction (XRD), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). This study shows the potential of montmorillonite clay as a carrier of carvacrol and eugenol essential oils, ClayC and ClayE, respectively, into LDPE nanocomposites. To prepare the nanocomposites, oils and clay hybrid were mixed and added to polyethylene using a homogenizer. The clay increased the thermal stability of the essential oils. PE/ClayC and PE/ClayE nanocomposites showed increased crystallinity as a function of the amount of hybrid; this was more significant for the PE/ClayC system. Increased crystallinity suggests that clay acts as nucleating agent, due its intercalated/exfoliated configuration. The results contribute to obtaining a more efficient nanocomposite system for subsequent applications, such as active packaging. POLYM. COMPOS., 39:4034–4040, 2018. © 2017 Society of Plastics Engineers

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