Abstract
AbstractNylon‐66 is a typical semicrystalline polymer that can be crosslinked using crosslinking agents and electron beam irradiation. Hybrid nylon‐66‐based membranes are more porous but denser compared to the pure nylon‐66 membrane. Besides that, hybrid nylon‐66 membranes exhibit higher water uptake and severe swelling in water. Si/nylon‐66 membranes were prepared by adding γ‐aminopropyltriethoxylsilane (APTEOS). Crosslinked silica in nylon‐66 membranes is confirmed with high gel content and Fourier transform infrared peaks, but XRD results showed that there is a low crystalline degree in these membranes. The thermal stability of hybrid nylon‐66 membranes is also less affected by APTEOS. The crosslinking agent only improves storage modulus in hybrid nylon‐66 membranes. After irradiation, it is learned that APTEOS improves separation performance of nylon‐66 membranes. However, excessive APTEOS causes the ratio of effective thickness over porosity (Δx/Ak) reduces significantly resulting a lower permeability membrane. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011
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