Red emission from a novel rare earth free oxide-based CaO–0.5Al2O3–0.5Nb2O5:Mn4+ phosphor with high water-resistance property

2020 ◽  
Vol 31 (4) ◽  
pp. 3057-3062
Author(s):  
Dongyu He ◽  
Yongzheng Fang ◽  
Ganghua Zhang ◽  
Yan Zhou ◽  
Yufeng Liu ◽  
...  
2008 ◽  
Vol 368-372 ◽  
pp. 352-354 ◽  
Author(s):  
Lin Zhang ◽  
Hiroshi Yamada ◽  
Yusuke Imai ◽  
Chao Nan Xu

We successfully developed a novel elasticoluminescent (EML) material with water resistance, CaAl2Si2O8:Eu2+ (CAS). The crystal structure, photoluminescence (PL) and EML properties were characterized for both CAS and the typical EML material SrAl2O4:Eu2+(SAO). Contrary to SAO, CAS showed superior water resistance property. No changes were found in the XRD patterns, and the PL, EML intensities, during the whole examination of water immersion test.


2012 ◽  
Vol 38 (11) ◽  
pp. 1405-1407 ◽  
Author(s):  
Céline Couteau ◽  
Alexandre Demé ◽  
Clotilde Cheignon ◽  
Laurence J. M. Coiffard

2012 ◽  
Vol 598 ◽  
pp. 590-593 ◽  
Author(s):  
Xin Ma

This paper studies the effect of straw content on the density, thermal conductivity, water-absorbing rate, and water resistance properties of the board materials when increasing the content of corn straw in magnesium oxycholride cement-based board materials. The result shows that the density, thermal conductivity and water-absorbing rate of the magnesium oxycholride cement-based board materials increase as the corn straw content increases, however, its water resistance property decreases dramatically. In conclusion, when the corn straw content is 25%, softening coefficient of the magnesium oxycholride cement-based board materials drops to 0.65, the appropriate straw content is 25% at the most for the materials under this improved method.


2015 ◽  
Vol 44 (39) ◽  
pp. 17366-17380 ◽  
Author(s):  
Ping Xiao ◽  
Yongquan Guo ◽  
Mijie Tian ◽  
Qiaoji Zheng ◽  
Na Jiang ◽  
...  

Multifunctional materials based on rare earth ion doped ferro/piezoelectrics have attracted considerable attention in recent years.


RSC Advances ◽  
2018 ◽  
Vol 8 (6) ◽  
pp. 2996-3008 ◽  
Author(s):  
Birendra B. Adhikari ◽  
Vadim Kislitsin ◽  
Pooran Appadu ◽  
Michael Chae ◽  
Phillip Choi ◽  
...  

Chemical modification of hydrolysed SRM peptides by esterification reaction significantly improved the water resistance property of peptides-PAE resin-based plywood adhesive.


2021 ◽  
Vol 234 ◽  
pp. 117968
Author(s):  
Yuelan Li ◽  
Yan Yu ◽  
Xue Zhong ◽  
Youmiao Liu ◽  
Long Chen ◽  
...  

Polymers ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 421
Author(s):  
Binwei Zheng ◽  
Weiwei Zhang ◽  
Litao Guan ◽  
Jin Gu ◽  
Dengyun Tu ◽  
...  

A high strength recycled newspaper (NP)/high density polyethylene (HDPE) laminated composite was developed using NP laminas as reinforcement and HDPE film as matrix. Herein, NP fiber was modified with stearic acid (SA) to enhance the water resistance of the NP laminas and NP/HDPE composite. The effects of heat treatment and SA concentration on the water resistance and tensile property of NP and composite samples were investigated. The chemical structure of the NP was characterized with X-ray diffractometer, X-ray photoelectron spectroscopy and attenuated total reflectance Fourier transform infrared spectra techniques. The surface and microstructure of the NP sheets were observed by scanning electron microscopy. An expected high-water resistance of NP sheets was achieved due to a chemical bonding that low surface energy SA were grafted onto the modified NP fibers. Results showed that the hydrophobicity of NP increased with increasing the stearic acid concentration. The water resistance of the composite laminates was depended on the hydrophobicity of the NP sheets. The lowest value of 2 h water absorption rate (3.3% ± 0.3%) and thickness swelling rate (2.2% ± 0.4%) of composite were obtained when the SA concentration was 0.15 M. In addition, the introduction of SA can not only enhance the water resistance of the composite laminates, but also reduce the loss of tensile strength in wet conditions, which shows potential in outdoor applications.


2007 ◽  
Vol 434 (4-6) ◽  
pp. 237-240 ◽  
Author(s):  
Xianmin Zhang ◽  
Jiahua Zhang ◽  
Xia Zhang ◽  
Li Chen ◽  
Yongshi Luo ◽  
...  

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