Effect of agro-industrial by-products addition on the physical properties of a starch-gelatin bioplastic
This study reports the effect of mango, jamaica and coffee by-products addition into formulation of starch-gelatin for elaborating a spoon-shaped bioplastic. Such additions improved the bioplastics mechanical properties due to the compatibility of their components, observed at microscopic level (har...
Đã lưu trong:
| Những tác giả chính: | , , , , , , |
|---|---|
| Định dạng: | Online |
| Ngôn ngữ: | spa |
| Được phát hành: |
Universidad de Sonora
2021
|
| Truy cập trực tuyến: | https://biotecnia.unison.mx/index.php/biotecnia/article/view/1324 |
| Các nhãn: |
Thêm thẻ
Không có thẻ, Là người đầu tiên thẻ bản ghi này!
|
| Tóm tắt: | This study reports the effect of mango, jamaica and coffee by-products addition into formulation of starch-gelatin for elaborating a spoon-shaped bioplastic. Such additions improved the bioplastics mechanical properties due to the compatibility of their components, observed at microscopic level (hardness was increased in a range of 190 to 290 N). In the same way, the bioplastics physical properties such as the hue angle values (63-89), solubility and absorption index, were modified with the by-product’s addition. To obtain the spoon-shaped bioplastics conditions of maximum stability (aw≈0.4) at 35 °C, we employ the GAB equation and the moisture content corresponding to micropore volume. The different formulations exhibited an endothermic event at 180ºC, associated with a melting process, as well as a high degradation rate in soil after 120 h. The by-products proved to be a reinforcement in the bioplastics formulation. The use of by-products of mango, coffee and jamaica represent an interesting alternative to increase their technological potential. |
|---|
