Results 21 to 30 of about 14,715 (211)
Histopathological reaction over prosthesis surface covered with silicone and polyurethane foam implanted in rats [PDF]
Acta Cirúrgica Brasileira, 2012 PURPOSES: To evaluate whether polyurethane foam leads more intense foreign-body reaction than silicone foam. To compare the vascularization of the capsules surrounding the foam implants.
Jorge Wagenführ-Júnior +5 more
doaj +1 more source
Journal of Materials Research and Technology, 2020 An expandable rigid PU foam can turns into complex shapes, with a shell like structure on the outside and honeycomb structure on the inside, which can be easily shaped to a vertebra form.
Nor Amalina Muhayudin +3 more
doaj +1 more source
Determination of thermo-mechanical properties of recycled polyurethane from glycolysis polyol
Scientific African, 2021 Polyurethane foam is one of the most versatile polymers widely used in the automotive industry. However, due to the rising amount of polyurethane foam waste in the environment, there is growing research attention focusing on circular economy solutions to
James K. Njuguna +5 more
doaj +1 more source
Nanocomposites, 2022 Antibacterial foam dressing has been developed in recent years based on polymeric membranes and silver ions or silver nanoparticles as antibacterial components. However, silver ions or silver nanoparticles have cytotoxicity to humans.
Phat Trong Huynh +6 more
doaj +1 more source
BuildingsThe objective of this research paper is to examine the shock-absorption capabilities of sandwich structures that utilize polyurethane foam and aluminum as energy-absorbing materials.
Yong Zhang, Fenfang Yin, Junwei Ma
doaj +1 more source
Egyptian crude oil sorbent based on coated polyurethane foam waste
Egyptian Journal of Petroleum, 2020 In this study, free radical polymerization of hydrophobic monomer namely lauryl methacrylate & hexadecene is coated on the flexible polyurethane foam waste as an modifier of the non-polar moiety.
Mohamed Keshawy +2 more
doaj +1 more source
Membrane Wrapping for High Capacity and Rapidly Switchable Adhesives
Advanced Functional Materials, EarlyView.A membrane‐wrapping mechanism enables high‐capacity, rapidly switchable adhesion by coupling suction, friction, and adhesion. Broadband performance is achieved in dry and underwater conditions, allowing fast, reversible manipulation of objects of diverse sizes and shapes, from delicate eggs and berries to flat, complex, or heavy objects. These outcomes
Yeunhee Kim +2 more
wiley +1 more source
Upcycling of Disposable Face Masks into Water‐Resistant and Flame Retardant Foams
Advanced Functional Materials, EarlyView.Disposable mask waste is upcycled into lightweight polypropylene‐based foams with tunable porosity and composite architectures reinforced by ear‐loop fibers. The sustainable solvent‐based process enables upcycling rates of 91% and solvent recovery of >90%.
Jingjing Pan +3 more
wiley +1 more source
Applied Sciences, 2023 Although the effects of running on plantar pressures have been detailed on several surfaces with different hardness, there is a lack of studies assessing the mechanical behavior analysis by in-shoe plantar pressure sensors on different hardness mats ...
Jaime García-Arroyo +5 more
doaj +1 more source
Investigation of the Mo/MgO hybrid catalytic effect of the recycling of flexible polyurethane foam [PDF]
شیمی کاربردی روز, 2020 In recent years, the growing public awareness of environmental issues has revealed the fact that natural resources in the world are declining and there is limited capacity to manage the volume of waste generated by human activities.
mir mohammad alavi Nikje, Homa Zarghami
doaj +1 more source