Modifications of polymers through the addition of ultraviolet absorbers to reduce the aging effect of accelerated and natural irradiation

GA El-Hiti, DS Ahmed, E Yousif, OSA Al-Khazrajy… - Polymers, 2021 - mdpi.com
The photooxidative degradation process of plastics caused by ultraviolet irradiation leads to
bond breaking, crosslinking, the elimination of volatiles, formation of free radicals, and …

Photoaging process and mechanism of four commonly commercial microplastics

H Wang, J Zhu, Y He, J Wang, N Zeng… - Journal of hazardous …, 2023 - Elsevier
Microplastics (MPs) are the widespread emerging pollutants in the terrestrial systems, and
photo-oxidation is an effective process for aging MPs on land. Here, four common …

Kinetics of thermal degradation and lifetime study of poly (vinylidene fluoride)(PVDF) subjected to bioethanol fuel accelerated aging

AJ de Jesus Silva, MM Contreras, CR Nascimento… - Heliyon, 2020 - cell.com
PVDF was prepared by compression molding, and its phase content/structure was assessed
by WAXD, DSC, and FTIR-ATR spectroscopy. Next, PVDF samples were aged in bioethanol …

Low-cost photocatalytic membrane modified with green heterojunction TiO2/ZnO nanoparticles prepared from waste

SA Mousa, H Abdallah, SA Khairy - Scientific Reports, 2023 - nature.com
The combination of photocatalysis and membrane procedures represents a promising
approach for water treatment. This study utilized green synthesis methods to produce TiO2 …

Enhancement of photostabilization of poly (vinyl chloride) in the presence of tin–cephalexin complexes

RR Arraq, AG Hadi, DS Ahmed, GA El-Hiti, BM Kariuki… - Polymers, 2023 - mdpi.com
Poly (vinyl chloride), PVC, has many attractive properties, including low cost of manufacture,
resistance to acid and alkali corrosion, and ease of molding. However, PVC suffers from …

Pendant modification of poly (methyl methacrylate) to enhance its stability against photoirradiation

S Sansul, E Yousif, DS Ahmed, GA El-Hiti, BM Kariuki… - Polymers, 2023 - mdpi.com
Photostabilization of functional polymeric materials is important for protection against aging
and ultraviolet (UV) irradiation. There is, therefore, the impetus to modify polymers to …

Synthesis of methyldopa–tin complexes and their applicability as photostabilizers for the protection of polyvinyl chloride against photolysis

N Naoom, E Yousif, DS Ahmed, BM Kariuki, GA El-Hiti - Polymers, 2022 - mdpi.com
Polyvinyl chloride (PVC) is a ubiquitous thermoplastic that is produced on an enormous
industrial scale to meet growing global demand. PVC has many favorable properties and is …

Synthesis and application of levofloxacin–tin complexes as new photostabilizers for polyvinyl chloride

M Fadhil, E Yousif, DS Ahmed, BM Kariuki, GA El-Hiti - Polymers, 2022 - mdpi.com
Polyvinyl chloride (PVC) is a synthetic polymer with a wide range of applications with impact
on our daily life. It can undergo photodegradation with toxic products that are hazardous to …

Protection of poly (vinyl chloride) films against photodegradation using various valsartan tin complexes

A Mohammed, GA El-Hiti, E Yousif, AA Ahmed… - Polymers, 2020 - mdpi.com
Poly (vinyl chloride) is a common plastic that is widely used in many industrial applications.
Poly (vinyl chloride) is mixed with additives to improve its mechanical and physical …

Reduction of Recombination Processes in PVC Photocatalytic Membranes Modified with Green Prepared Nanoparticles

SA Mousa, H Abdallah, SA Khairy - Journal of Molecular Structure, 2024 - Elsevier
The enhanced photocatalytic membranes were prepared by green synthesized Tin dioxide
(SnO 2) and manganese dioxide (MnO 2) nanoparticles (NPs) blended with polyvinyl …