WebJan 13, 2024 · With the inclusion of 20 wt % acrylamide, the average tensile strength and Young's modulus are up to 40.1 and 871 MPa, which increased by about 4.4 and 3.85 times, respectively. The network rearrangement of cross-linked vitrimers can be achieved through the dynamic ester exchange reactions with gradual disappearance of hydrogen bonds at ... WebJan 15, 2024 · Herein, two imine-containing hardeners were synthesized from bio-based vanillin and petroleum-based p-hydroxy benzaldehyde. The epoxy resins cured by these …
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WebYoung's modulus of elasticity for alumina is very high for an oxide ceramic. In comparison, TZP zirconia is only 210 GPa and Porcelain is merely 104 GPa [134]. However, the … WebDec 19, 2024 · Young's modulus (MPa) Toughness (MJ m −3) Healing conditions Healing efficiency (%) ... plastics being difficult to recycle. In order to solve this problem, researchers have developed HTPB-based PU vitrimers with disulfide bonds ... and extremely high Young's modulus (81.8 MPa) due to the abundant interfacial hydrogen bonds between … c# simplify if statement
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WebJun 15, 2024 · They are stretchable with an elongation at break around 60%, soft with Young’s modulus between 0.4 and 0.6 MPa, and they have high ionic conductivities for solid state electrolytes in the order of 10 −4 S·cm −1 at room temperature. They display dynamic properties typical of the vitrimer network, such as stress relaxation and healing ... WebApr 7, 2024 · Vitrimers consist of a polymer network that is able to change its topology without decreasing its connectivity thanks to exchange reactions, which maintain … WebThe network rearrangement of cross-linked vitrimers can be achieved through the dynamic ester exchange reactions with gradual disappearance of hydrogen bonds at elevated … c# simplify if else