Preparation and Characterization of Novel Food Packaging Materials Based on Biodegradable PCL/Ag-Kaolinite Nanocomposites with Controlled Release Properties

被引：36

作者：

Benhacine, Faycal ^{[1
]}

Ouargli, Abderrahmane ^{[1
]}

Hadj-Hamou, Assia Siham ^{[1
]}

机构：

[1] USTHB, Fac Chim, Dept Chim Macromol, Lab Mat Polymeres, BP 32, El Alia 16111, Alger, Algeria

来源：

POLYMER-PLASTICS TECHNOLOGY AND MATERIALS | 2019年 / 58卷 / 03期

关键词：

Active packaging; antimicrobial activity; biodegradable films; poly (epsilon-caprolactone); silver-kaolinite; silver release; IN-VITRO CYTOTOXICITY; SILVER ION RELEASE; CELLULOSE NANOCRYSTALS; ANTIBACTERIAL ACTIVITY; BARRIER PROPERTIES; NANOPARTICLES; MIGRATION; FILMS; POLYETHYLENE; REDUCTION;

D O I：

10.1080/03602559.2018.1471714

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Food packaging materials based on biodegradable poly(epsilon-caprolactone)/Ag-Kaolinite nanocomposites with controlled release properties were successfully prepared via solvent casting method. X-Ray Diffraction, UV-visible Spectroscopy and Transmission Electron Microscopy results revealed the formation of mixed intercalated-exfoliated structures with a random dispersion of spherical Ag nanoparticles. PCL/Ag-KT films have showed a significant improvement in their barrier and antibacterial properties. The potential of the silver ion release from the PCUAg-Kt films to an aqueous medium was measured by Atomic Absorption Spectroscopy. The results exhibited a gradual increase of the amount of silver ions released. The release's mechanism was mainly governed by the diffusion process. [GRAPHICS] .

引用

页码：328 / 340

页数：13

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