نتایج جستجو برای: biocomposites
تعداد نتایج: 963 فیلتر نتایج به سال:
Blending polymers with a high concentration of bio-based fillers is one the solutions that not only reduces dependency on petroleum-based feedstocks but can also significantly decrease carbon footprint. In current study, n-octadecyl isocyanate (ODI) molecules were grafted lignin particles to render them compatible novel copolyamide matrix, which was successfully synthesized through copolymeriza...
Abstract Foam-formed cellulose biocomposites are a promising technology for developing lightweight and sustainable packaging materials. In this work, we produce characterize biocomposite foams based on methylcellulose (MC), fibers (CF), lignin (LN). The results indicate that adding organosolv to foam prepared using MC CF moderately increases Young’s modulus, protects the from growth of Escheric...
Chemically modifying vegetable oils to produce an alternative to petroleum-based materials is one of the most important emerging industrial research areas today because of the adverse effects of petroleum products on the environment and the shortage of petroleum resources. Biolubricants, bioplasticizers, non-isocyanate polyurethanes, biofuel, coating materials, biocomposites, and other value-ad...
Antioxidant biocomposites have been successfully developed from cellulose acetate, eco-friendly triethyl citrate plasticizer and onion extract as a source of natural antioxidants. First, an onion extraction process was optimized to obtain the extract with highest antioxidant power. Extracts under absolute ethanol and ethanol 85% were the extracts with the highest antioxidant activity, which wer...
Currently, sustainability initiatives that use green chemistry to improve and/or protect our global environment are becoming focal issues in many fields of research. Instead of using toxic chemicals for the reduction and stabilisation of metallic nanoparticles, the use of various biological entities has received considerable attention in the field of nanobiotechnology. Among the many possible n...
The present work deals with the use of multiple-step procedures to obtain valuable sub-products, including nanocellulose, from rice husk. Each sub-product was characterized after every step by analyzing the chemical composition (mainly based on thermogravimetric analysis, Fourier transformed infrared spectra, and X-ray diffraction) and morphology (using visual observations and scanning electron...
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