نتایج جستجو برای: a diglycidyl ether
تعداد نتایج: 13438663 فیلتر نتایج به سال:
Diabetes mellitus is a chronic disease in which the body unable to metabolize carbohydrates, fats, and proteins. In this study, eugenol was polymerized then contacted with glucose crosslinked using polyethylene glycol diglycidyl ether (PEGDE). The resulted PE-Glucose-PEGDE eluted ethanol form MIP-Glucose. It characterized by FTIR, SEM, electrodes Eutech 510 potentiostat UV-Vis spectrophotometer...
Adhesives, especially epoxies, are widely used as joints, repairs and corrosion protection in the petroleum onshore and offshore industry. Performance temperature is a key factor for such material. Mainly they are designed by the thermal properties but when they are in real service operation the behavior changes drastically. In this work, three different epoxy adhesives used in the offshore ind...
Abstract This work presents a numerical approach to multi-routines based on experiments, and, with target analyse strength of cross-ply glass fibre reinforced plastics (GFRP) composite after immersion in sulphuric acid solution under pressure (5% H 2 SO 4 solution, 95 °C, 15 bar). Two alternative vinyl ester resins (bisphenol A diglycidyl ether and epoxy phenol novolac) were investigated. After...
Environmental concerns about fiber composites are leading manufacturers to consider bio-based alternatives petroleum-derived epoxies. Such a substitution is hindered by lack of information, so commercially available epoxy systems have been compared, their mechanical properties measured, and produced vacuum infusion. Most high content resins for infusion use conventional curing agents. Bio-based...
Bio-based epoxy curing agents from lignin was synthesized by ring-opening reactions of cyclic aza-silane species to obtain lignin-based with amine hydroxyl equivalent weights up 68 g/eq. Its cure kinetics investigated differential scanning calorimetry in which two representative aromatic and aliphatic were employed being diglycidyl ether bisphenol F (DGEBF) epoxidized soybean oil (ESBO). Utiliz...
The electromechanical capabilities of carbon nanotube (CNT) doped poly(ethylene glycol) diglycidyl ether (PEGDGE) have been explored. In this regard, the effect both CNT content and curing conditions were analyzed. electrical conductivity increased with temperature due to lower gel time that leads a reaggregation during curing. More specifically, percolation threshold at 160 180 °C temperatures...
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