Pulse-Pair Interference Automatic Detection and Mitigation for L-Band Aeronautical Communication System

Li, Douzhe; Wu, Zhijun

doi:10.1007/s12209-017-0087-5

Cited by 2 publications

(1 citation statement)

References 23 publications

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“…The peak at 1044 cm À1 is due to a symmetrical stretching vibration of S]O. 38 All these new adsorption peaks indicate that AA and SSS have been successfully graed onto the ETFE lm.…”

Section: Ftir Test Of Graed Membranesmentioning

confidence: 95%

Facile synthesis and properties of a cation exchange membrane with bifunctional groups prepared by pre-irradiation graft copolymerization

Tang

et al. 2018

RSC Adv.

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A new type of a cation exchange membrane named ETFE-g-poly(AA-co-SSS) with bifunctional groups was synthesized by a one-step method. Its preparation by an electron beam-induced pre-irradiation grafting method and the effects of reaction temperature, monomer concentration, pH value of the grafting solution, storage time and temperature of the irradiated poly(ethylene-alt-tetrafluoroethylene) (ETFE) films on the grafting yield were studied. A total concentration of 2 mol L À1 of monomers was found to be beneficial for acrylic acid (AA) and sodium styrene sulfonate (SSS) co-grafting onto the ETFE films.Infrared spectroscopic analysis of the grafted membrane confirmed the existence of sulfonate and carboxylic acid groups. The contact angle of the grafted membrane decreased from 94.3 to 46.7 with the increase in grafting yield. The higher the grafting yield, the faster the response and recovery rate with respect to humidity. AFM images showed that the diameter of the grafted chains on the surface of ETFE membranes was about 30 nm. The voltage of the grafted membrane was stable after 100 cycles of charge-discharge; thus, the prepared membranes have great potentials to be used as separators in secondary batteries.

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Section: Ftir Test Of Graed Membranesmentioning

confidence: 95%