کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
223775 464401 2012 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Modification of cellulose acetate films using nanofillers based on organoclays
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Modification of cellulose acetate films using nanofillers based on organoclays
چکیده انگلیسی

The present work has been oriented on the development of cellulose acetate films with nanofillers of montmorillonite/alkylammonium (hexa- and tetra-decyltrimethylammonium) and montmorillonite/chitosan which have been synthesized using a cationic exchange process. All synthesized organoclays have been characterized using X-ray diffraction (XRD), thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR). These analyses confirmed the modification of clay structures which proved to be dependent on the chemical structure of chosen organic precursor. On the other hand, the different organoclays have been used to produce cellulose acetate nanocomposites by solvent-casting technique. The nanocomposite films have been characterized by XRD, TGA, Differential scanning calorimetry (DSC), oxygen and water vapor permeability and scanning electronic microscopy (SEM). All nanocomposites obtained showed the intercalation of polymer inside the clay structure and an important reduction of oxygen transmission rate (OTR) compared to cellulose acetate films without nanofillers.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Food Engineering - Volume 110, Issue 2, May 2012, Pages 262–268
نویسندگان
, , , ,