نوع مقاله : مقاله پژوهشی
عنوان مقاله English
نویسندگان English
In recent years using nanofillers and production of nanocomposites have been considered to improve the properties of polymers. This research was carried out to investigate the effect of the simultaneous presence of frankincense gum and nanoclay on the mechanical, thermal, and biodegradability behavior of films based on thermoplastic starch.
Thermoplastic starch films containing different amounts of frankincense gum (1, 3, 5, and 7% by weight) and nanoclay (3 and 5% by weight) were prepared using an internal mixer. The mechanical properties of the films were investigated using tensile tests, thermal stability of the samples was evaluated by TGA. To evaluate the behavior of biodegradability, the amount of weight loss was measured by burying the samples in the soil.
The mechanical properties of the films were improved by adding frankincense gum. The tensile modulus increased and the thermal stability improved by increasing the amount of nanoclay. Nanoclay is a mineral material and has high resistance to heat. Adding nanoclay to the films reduced the weight loss of the samples. The decrease in the degradability of the samples due to the presence of nanoclay can be attributed to the occurrence of strong reactions with minerals on the soil surface.
کلیدواژهها English
