pet/mica nanocomposites for food packaging: crystallization behavior and mechanical properties

نویسندگان

mehdi farhoodi

department of food science and technology, national nutrition and food technology research institute, faculity of nutrition and food technology, shahid beheshti university of medical science, tehran, iran

چکیده

nowadays polymer nanocomposites have introduced as a new class of food packaging materials due to their enhanced mechanical, thermal, and barrier properties. in this study pet nano composites were prepared by melt blending of poly (ethylene terephthalate) pellets and mica nanoparticles. the morphology of pet/mica nanocomposites was characterized by x-ray diffraction and transmission electron microscopy (tem), showing exfoliated/intercalated structures for different concentrations of mica. the crystallization behavior was studied by differential scanning calorimetry (dsc). incorporation of mica nanoparticles in pet matrix had pronounced effect on crystallization of poly (ethylene terephthalate). both crystallization rate and degree of crystallinity increased due to nucleation effect of mica nanoparticles. the results of mechanical test indicated that addition of micas to pet matrix caused to slight diminish of tensile strength and    ductility of polymer.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

PET/Mica nanocomposites for food packaging: Crystallization behavior and mechanical properties

Nowadays polymer nanocomposites have introduced as a new class of food packaging materials due to their enhanced mechanical, thermal, and barrier properties. In this study PET nano composites were prepared by melt blending of poly (ethylene terephthalate) pellets and mica nanoparticles. The morphology of PET/mica nanocomposites was characterized by X-ray diffraction and transmission electron mi...

متن کامل

PET/Mica nanocomposites for food packaging: crystallization behavior and mechanical properties

Nowadays polymer nanocomposites have introduced as a new class of food packaging materials due to their enhanced mechanical, thermal, and barrier properties. In this study PET nano composites were prepared by melt blending of poly (ethylene terephthalate) pellets and mica nanoparticles. The morphology of PET/mica nanocomposites was characterized by X-ray diffraction and transmission electron mi...

متن کامل

PET/Mica nanocomposites for food packaging: Crystallization behavior and mechanical properties

Nowadays polymer nanocomposites have introduced as a new class of food packaging materials due to their enhanced mechanical, thermal, and barrier properties. In this study PET nano composites were prepared by melt blending of poly (ethylene terephthalate) pellets and mica nanoparticles. The morphology of PET/mica nanocomposites was characterized by X-ray diffraction and transmission electron mi...

متن کامل

mechanical properties of silver-clay nanofilms for food packaging

in this research, the mechanical properties of seven types of nanofilm with differing amounts of silver and silver-clay particles were studied. the elasticity of modulus, tensile strength, toughness, elongation at break, tear strength and color of nanofilms were compared with those of ordinary ldpe film. results showed that the inclusion of nano particles increased the modulus of elasticity, te...

متن کامل

Mechanical and Barrier Properties of PE, PP, Surlyn and EVA/Clay Nanocomposites for packaging films

The article deals with the preparation, properties and the usage of polymer barrier films. The problem of exfoliation and dispersion of the filler in the polymer matrix and mechanical properties of barrier films is discussed. This problem is connected with the use of nanofiller either in the polymer matrix or on the surface of prepared films. Together the evaluating comparison of used nanofille...

متن کامل

Crystallization Behavior and Mechanical Properties of In-situ Alumina-Zirconia Composite Bodies

In-situ alumina-zirconia composite bodies were fabricated by heat treatment of gibbsite-zircon-kaolinite mixture at 1450℃. The current research investigated crystallization behavior and mechanical properties of the mentioned mixture in the presence of 5 wt.% MgO as an additive. X-ray diffraction (XRD) results showed that alumina, zirconia, and magnesium aluminosilicate were crystallized during ...

متن کامل

منابع من

با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید


عنوان ژورنال:
journal of food and bioprocess engineering

جلد ۱، شماره ۱، صفحات ۹-۱۶

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023