Dispersion of upconverting nanostructures of CePO4 using rod and semi-spherical morphologies into transparent PMMA/PU IPNs by the sequential route

Abstract

Upconverting luminescent poly(methylmethacrylate)(PMMA)/poly(urethane)(PU) interpenetrating polymer network (IPN) nanohybrids were prepared using a sequential polymerisation incorporating different wt.% of cerium phosphate (CePO 4) nanoparticles. The effect of miscibility/compatibility of the different PMMA/PU ratios, the addition and dispersion of rod and semi-spherical nanostructures in as well as the performance of selected IPNs under accelerated aging were studied using morphological, emission, thermal and mechanical studies. Structural studies revealed that there were physical interactions between C=O groups and CePO 4 in PMMA/PU IPNs. The addition of a higher wt.% of nanostructures was found to decrease the transparency of the IPNs. Resulting PMMA/PU/CePO 4 IPN nanohybrids are photoluminescent under UV-light, supporting the prolongate of lifetime while maintaining the mechanical properties after being subjected to accelerated weathering. The addition of semi-spherical particles resulted in a more stable materials after accelerated weathering than nanorods.

Damping, thermal, and mechanical performances of a novel semi‐interpenetrating polymer networks based on polyimide/epoxy

“…But its distribution in the PI/EP s‐IPNs films is almost the same. These evidences indicate that copolyimide is evenly distributed in the EP networks and the interpenetrating structure might be formed . The particular microstructure arising from the semi‐interpenetrating network structure can be of benefit to the damping properties of PI/EP s‐IPNs films.…”

Experimental data in support of characterization of the CePO4 dispersion into transparent PMMA/PU IPNs by the sequential route

“…IPNs were prepared following the procedure in Ref. [1] . The transparency of the different ratios of PMMA/PU was evaluated by visual examination of samples synthesized, as it is shown in Fig.…”

“…Plastic materials with good durability can be obtained from the synthesis of interpenetrating polymer networks (IPNs) while incorporating luminescent nanostructures such as Fluoro-functionalized nanostructured silica (FSiO 2 ), silica (SiO 2 ), carbon black (CB), barium titanate (BaTiO 3 ), polyaniline, and cerium phosphate (CePO 4 ) [1] , [2] , [3] , [4] , [5] , [6] .…”

“… Data format Raw data, plotted, analyzed. Experimental factors Samples were prepared as described in [1] . For TEM, samples were sputter coated with Au-Pd for 30 s on a Quorum Q150T ES sputter coater system.…”

Preparation of two different crystal structures of cerous phosphate as solid acid catalysts: their different catalytic performance in the aldol condensation reaction between furfural and acetone

“…In addition, cerium phosphate was also widely used as a catalyst or catalyst carrier in selective reduction of NOx, CO oxidation, n-butane oxidation and hydrogenation and exhibited good catalytic performance. [35][36][37][38][39][40][41][42][43][44] In particular, Michikazu et al reported that cerium phosphate may act as a bifunctional catalyst with both Lewis acid and weak base sites, which was used to chemoselective acetalization of 5-hydroxymethylfurfural with alcohols and exhibited high catalytic performance. 45 Additionally, Wang et al reported cerium phosphate can be used as solid Lewis acid catalyst for dehydration of glucose into 5-hydroxymethylfurfural (HMF) and achieved 61% yield of 5-hydroxymethylfurfural (HMF) with 97% conversion of glucose.…”