Combined effects of cellulose nanocrystals and silver nanoparticles on the barrier and migration properties of PLA nano-biocomposites

被引：162

作者：

Fortunati, E. ^{[1
]}

Peltzer, M. ^{[3
]}

Armentano, I. ^{[1
]}

Jimenez, A. ^{[3
]}

Kenny, J. M. ^{[1
,2
]}

机构：

[1] Univ Perugia, UdR INSTM, Mat Engn Ctr, I-06100 Perugia, Italy

[2] CSIC, Inst Polymer Sci & Technol, Madrid, Spain

[3] Univ Alicante, Dept Analyt Chem Nutr & Food Sci, E-03080 Alicante, Spain

来源：

JOURNAL OF FOOD ENGINEERING | 2013年 / 118卷 / 01期

关键词：

Poly(lactic acid); Nano-biocomposites; Cellulose nanocrystals; Silver nanoparticles; Barrier properties; Migration kinetics; FOOD-CONTACT MATERIALS; PACKAGING FILMS; ANTIBACTERIAL PROPERTIES; THERMAL-PROPERTIES; POLY(LACTIC ACID); EDIBLE FILMS; LACTIC-ACID; POLYLACTIDE; COMPOSITES; FIBERS;

D O I：

10.1016/j.jfoodeng.2013.03.025

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Poly(lactic acid) (PLA)-based high performance nano-biocomposites were prepared to be used in active food packaging. Pristine (CNC) and surfactant modified cellulose nanocrystals (s-CNC) with silver (Ag) nanoparticles were used as the matrix modifiers. Binary and ternary systems were prepared. Morphological investigations revealed the good distribution of silver nanoparticles in PLA ternary systems. The combination of s-CNC and Ag nanoparticles increased the barrier effect of the produced films while the results of overall migration for the PLA nano-biocomposites revealed that none of the samples exceeded the overall migration limit, since results were well below 60 mg kg(-1) of simulant. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：117 / 124

页数：8

共 48 条

[41] Morphology and barrier properties of solvent cast composites of thermoplastic biopolymers and purified cellulose fibers [J].