2020
DOI: 10.1002/slct.201903237
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Properties of Ultraviolet‐Shielding Composite Film Prepared from Cellulose Acetate with Eu(III) Complex

Abstract: The ultraviolet shielding composite films were prepared from cellulose acetate (CA) modified by grafting rare earth complexes Eu(MAA) 3 phen-APS (MMA: Methacrylic Acid, APS: (3-Aminopropyl)trimethoxysilane). The composite films possessed high optical transmittance and exhibited excellent ultraviolet (UV) absorption property. It exhibited bright red emission centered at 615 nm under UV excitation. The thermal analysis showed that the stability of the composite film is similar to that of pure CA. However, the gl… Show more

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Cited by 6 publications
(3 citation statements)
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“…This is mainly the result of the reaction of rare earth ions with CA to form a coordination structure. In addition, the UV absorption (300–400 nm) of the films was basically equal to zero, indicating that the light-conversion films played an important role in avoiding harmful ultraviolet radiation [ 28 ].…”
Section: Resultsmentioning
confidence: 99%
“…This is mainly the result of the reaction of rare earth ions with CA to form a coordination structure. In addition, the UV absorption (300–400 nm) of the films was basically equal to zero, indicating that the light-conversion films played an important role in avoiding harmful ultraviolet radiation [ 28 ].…”
Section: Resultsmentioning
confidence: 99%
“…Peaks are widening at wavenumbers from 3100 cm -1 to 3550 cm -1 in the four PVA-chitosan film spectra due to the vibrations of 2 different functional groups, namely the stretching vibration of the O-H group together with PVA and the N-H group in chitosan [70]. Furthermore, wavenumber 1648 cm -1 was a stretching vibration of C=O from acetate [71]. The wavenumber 1564 cm -1 was the vibration of the N-H group in chitosan, which shifted from literature [72], indicating the presence of intermolecular bonds of chitosan with the SO4 2group on nanocellulose surface.…”
Section: Results Of Nanocomposite Filmsmentioning
confidence: 96%
“…ILs provide an electrostatic protection in the form of a "protective shell" for metal nanoparticles, thereby stabilizing them without requiring additional stabilizers, surfactants, or covering ligands. The impact of ultrasonic irradiation on the quality of ILs during the stabilization of ZnO nanoparticles as an inhibitor of agglomeration and aggregation is shown in various publications [91][92][93].…”
Section: Zno Nanoparticlementioning
confidence: 99%