Results 41 to 50 of about 241,122 (250)
The Optimization of Diphenyl Methane Diisocynate Polymerization Process with the Used Frying Oil Polyalcohol to Foam Polyurethane Using RSM [PDF]
, 2012 The used frying oil which was usually threw out and to be the waste had potency to be used as the material of polyurethane. Previously, it had to be converted into the polyol and then it was reacted with the Diphenyl Methane Diisocyanate (MDI).
Didi , Dwi Anggoro, Faleh , Setia Budi
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Preparation of Polyether Ester Polyols and their Application in Hydrophilic Foam
Pige Kexue Yu GongchengNovel polyether ester polyols (PGA) containing ester bonds were prepared by esterification-polycondensation reaction using polyethylene glycols and adipic acid as raw materials.
Yongsheng GUO +4 more
doaj +1 more source
A prospective clinical comparison of two intravenous polyurethane cannulae [PDF]
, 1997 Publisher's copy made available with the permission of the publisher © 1997 Australian Society of Anaesthetists "Because of a printer's error in the December 1996 issue of Anaesthesia and Intensive Care (Vol. 24, No. 6, p.
Russell, W. +4 more
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Mechanical Properties of Medical Bandage with Different Polyester/Polyurethane Ratios
Nantong Daxue xuebao. Ziran kexue ban, 2020 With polyester and polyurethane filaments as raw materials, different medical bandages are produced with different polyester/polyurethane ratios(polyester/polyurethane ratios are 1∶0, 1∶1, 1∶2, 1∶9). The basic properties and mechanical properties of each
CHENG Ran ZHANG Yu WANG Hailou
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Chemical Engineering Journal AdvancesThe aim of this research was to design a new polysulfone for the support layer of thin film composite (TFC) membranes and compare it with commercial structures for desalination applications.
Armaghan Moghaddam +2 more
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Advanced Engineering Materials, EarlyView.Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley +1 more source
High performance shape memory polyurethane synthesized with high molecular weight polyol as the soft segment [PDF]
, 2012 Shape memory polyurethanes (SMPUs) are typically synthesized using polyols of low molecular weight (MW~2,000 g/mol) as it is believed that the high density of cross-links in these low molecular weight polyols are essential for high mechanical strength ...
Miraftab, Mohsen +15 more
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Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading
Advanced Engineering Materials, EarlyView.This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev +2 more
wiley +1 more source
Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials
Advanced Engineering Materials, EarlyView.Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley +1 more source
Journal of Materials Research and Technology, 2022 This paper studied the synthesis of polyurethane modified epoxy via simultaneous reaction by varying the reaction time to 30, 60, and 90 min. The polypropylene glycol and tolonate as polyurethane components were reacted simultaneously with epoxy in the ...
Evi Triwulandari +5 more
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