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The present contribution reports a novel strategy to prepare polypropylene (PP)-based nanocomposites with highly dispersed noble metal nanoparticles (NPs), which includes the impregnation of a metal salt inside the porosity of PP reactor granule and subsequent in-situ generation of the NPs therein. Thus formed nanoparticles were confined and retained in the porosity, thus minimizing the sintering...
We investigated the structure and the swelling behavior of two synthesized hydrocarbon polymer electrolyte membranes, made of multiblock copolymer poly(sulphonate phenylene)-b-poly(arylene ether ketone) with different block ratios, by using small-angle neutron scattering technique. A scattering maximum (ionomer peak) at high-q range (0.1 < q < 0.3 Å−1) is shown commonly in both dry and wet states,...
Ionic liquid (IL) 1-butyl-3-methylimidazolium chloride ([BMIm]Cl) is doped into PEDOT:PSS hole-injecting layer to adjust the electroluminescent performance of OLEDs. The secondarily IL-doped PEDOT:PSS films are characterized in detail by SEM, XPS and UPS. The UPS results indicated the decrease of ionization potential of PEDOT:PSS due to the secondary IL-doping. The SEM observation showed the phase...
We present a versatile synthetic method for photo- and pH-sensitive composite nanoparticles using a combined use of reversible addition-fragmentation chain transfer (RAFT) and atom transfer radical polymerization (ATRP). Crosslinked nanoparticles of a random copolymer composed of methyl methacrylate (MMA), 4-vinylbenzyl chloride (VBC) and divinylbenzene (DVB) were first synthesized using RAFT miniemulsion...
Nanocomposites composed of palladium (Pd) nanoparticles, (Pd) n , and a symmetric diblock copolymer (dibcp) of poly(styrene)-block-poly(isoprene) (PS-b-PI) were prepared via thermal reduction of palladium acetylacetonate, Pd(acac) 2 , by isothermal heat treatments of the as-cast dibcp films containing Pd(acac) 2 by 1wt%, at temperatures below and above the order–disorder transition...
The orientation of poly(ε-caprolactone) crystals in miscible poly(ε-caprolactone)/poly(vinyl chloride) (PCL/PVC) blends, melt crystallized under strain, has been studied by wide angle X-ray diffraction (WAXD). At low draw ratios or low PVC contents, all the observable (hk0) crystal reflections orient towards the meridional direction in WAXD patterns, indicating the presence of ring-fibre orientation...
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