Results 21 to 30 of about 298 (100)

Latest Advances in Acid Hydrolysis Technique for Production of Cellulose Nanocrystals (CNCs) as Reinforcing Component in Epoxy-Based Nanocomposites [PDF]

open access: yes, 2023
Cellulose, as one of the most abundant natural polymers with a wide spectrum of applications, has drawn the attention of many researchers. In this regard, cellulose-base structures such as cellulose nanocrystals (CNCs) and nanocomposites are known as ...
Alireza Shamaei-Kashani   +7 more
core   +1 more source

Removal of Methotrexate from Aqueous Solutions Using AC@Fe3O4@ZnO Nanocomposite: Equilibrium and Kinetic Studies [PDF]

open access: yes, 2022
Since pharmaceutical residues are important pollutants that lead to producing serious hazards to humans, and other living organisms, their removal from the effluents is essential for environmental protection. This study was conducted to the evaluation of
Ali Asghar Haghgoo   +4 more
core   +1 more source

Unsaturated Polyester Resin Nanocomposites: An Overview [PDF]

open access: yes, 2023
Unsaturated polyester resins (UPRs) including ortho, iso, bisphenolic and vinylester are the most widely used thermosetting polymeric resins in the form of coating and matrix in the industry, making up around three quarters of all thermoset resins used ...
Hajar Jamshidi   +2 more
core   +1 more source

Efficiency of Magnetic Granular Adsorbent Based on Natural Zeolite/Chitosan in Removing Arsenic from Polluted Water [PDF]

open access: yes, 2022
Hypothesis: Among the various pollutants found in natural water, the heavy metal arsenic is more important due to its high toxicity. One of the most efficient methods to remove this pollution from water streams is the surface adsorption method.
Leila Sanaei   +2 more
core   +1 more source

ساختارهای سلولی اسفنج‌های پلی‌وینیل الکل تهیه‌شده با روش ناپیوسته [PDF]

open access: yes, 2023
در این مطالعه، اسفنجی ­شدن پلی ­وینیل الکل همراه با افزودن برخی ترکیبات با استفاده از فرایند ناپیوسته بررسی شده است. علت وجود ساختار بلوری در پلی­ وینیل الکل وجود پیوندهای هیدروژنی قوی میان زنجیرهای آن است. با افزودن برخی نرم ­کننده ­ها و افزودنی­ ها می­
حمیدرضا عظیمی
core   +1 more source

Poly(lactic acid)/Polycaprolactone/Graphene Bionanocomposites: Microstructural, Mechanical and Thermal Properties [PDF]

open access: yes, 2022
Hypothesis: Among the types of bioplastics, poly(lactic acid) (PLA) has the ability to compete with petroleum-based polymers due to its favorable properties such as high tensile strength and high modulus of elasticity.
Hogatallah Ziyaei   +2 more
core   +1 more source

The synthesis of Fe3O4/SiO2/TiO2/CoIIITHPP magnetic nanocomposite as catalyst in reaction of luminol-H2O2 chemiluminescence system [PDF]

open access: yes, 2023
The luminol chemiluminescent reaction is among well-known quantitative methods in analytical spectroscopy due to its high sensitivity to presence of catalyst and low background signal.
Abbas Eslami   +3 more
core   +1 more source

Study the absorption process of cadmium ions by Fe3O4/L-methionine/graphene oxide and graphene Aerogel nanocomposites from aqueous environments [PDF]

open access: yes, 2023
In this research, the synthesis of L/Fe3O4-methionine and graphene oxide and graphene aerogel nanocomposites (Fe3O4/L-Met/GO, Fe3O4/L-Met, Fe3O4/L-Met/GA) was carried out.
javad Mokhtari Aliabad   +3 more
core   +1 more source

Sulfonated Poly(ether ether ketone) and Organically Modified Montmorillonite Nanocomposite Membranes for Direct Methanol Fuel Cell [PDF]

open access: yes, 2022
Hypothesis: The modification of aromatic polymers, such as poly(ether ether ketone) (PEEK), by sulfonation modification, can result in fabricating polyelectrolyte membranes (PEMs) as the alternatives to Nafion for direct methanol fuel cell (DMFC ...
Khadijeh houshyari   +5 more
core   +1 more source

Solid phase extraction based on magnetic graphene oxide nanocomposite and ion mobility spectrometry for determination of bupropion [PDF]

open access: yes, 2023
In this paper, a solid phase extraction based on magnetic graphene oxide nanocomposite has been introduced for the quantitative extraction of bupropion.
Ali Sheibani   +2 more
core   +1 more source

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