Materials Literature
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Telah dilakukan penelitian tentang pengaruh konsentrasi polimer polivinilpirolidon (PVP) terhadap derajat kristalinitas ketoprofen dalam bentuk dispersi padat dengan metode pelarutan pada perbandingan 1:1, 1:3, 1:5 dan 1:9. Dispersi padat ketoprofen-PVP K-30 dikarakterisasi dengan spektroskopi FT-IR, Scanning Electron…
Abstract : A new class of low-cost composite substrate based on ternary alloy CdSe(x)Te(1 x)(211)/Si(211) has been developed using molecular beam epitaxy (MBE). Composition of the alloy can be tuned to exactly match the lattice of HgCdTe epilayer to minimize the generation of dislocations at the interface. The growth…
ABSTRAK DESAIN AWAL PERISAI RADIASI DAN ANALISIS LAJU DOSIS DI DAERAH KERJA REAKTOR RISET INOVATIF MENGGUNAKAN MCNPX. Sesuai dengan renstra PTRKN yang diantaranya adalah diperolehnya desain konseptual reaktor riset inovatif. Dari segi teras reaktor, desain konseptual tersebut meliputi desain teras, desain termohidroli…
The doctoral thesis dealt with the stabilization and solidification of hazardous waste using silicone polymers. The waste sample came from the industrial process of plating steel parts and it was characterized by a high content of zinc and soluble compounds (chlorides). Commercially available products containing diffe…
International
Silver nanorods were fabricated using a porous anodic aluminum oxide (AAO) template by an ink-jet printing process. The highly arrayed AAO template was prepared to infiltrate silver nano particles by an anodization method. The ink-jet printing unit is equipped with a piezoelectric nozzle with a 50 um orifice from Micr…
Solubilized dialdehyde cellulose (DAC) obtained from alpha cellulose modification via simple oxidation by sodium periodate was prepared and characterized. Immediately after preparation, solubilized DAC was stabilized by low pH in order to suppress degradation. The influence of DAC solubilization and its aging under ac…
The biodegradation of the aliphatic aromatic copolyester and this copolyester in the mixture with starch in the soil under mesophilic conditions was studied. Measurment of CO2 production (GC/TCD), mechanical properties changes, molecular weight changes (GPC) and optical and scanning electron microscopy demonstrated th…
An examination was made of the possibility of improving the resistance of polyolefins to harmful UV light with the aid of low-molecular-weight azomethines based on melamine and 4-hydroxy-3,5-di-tert-butylbenzaldehyde. The dependence of the stabilising properties of the low-molecular-weight azomethines on their chemica…
Plastics Engineering is the official publication of the Society of Plastics Engineers (SPE). We provide plastics professionals with a wealth of information about machinery, technological advances, materials innovations, sustainability, and more.
Front Cover: An original 3,4-ethylenedioxypyrrole (EDOP) derivative containing a perfluorobutyl chain (F-butyl) is synthesized and characterized. Electrodeposition of the corresponding polymer leads to superhydrophobic and highly oleophobic properties. The presence of amido groups seems to specifically increase the oi…
A study was made of the possibility and effectiveness of using disperse production waste as filler for polyethylene. The obtained data demonstrate the expediency of using phenolic plastic and basalt wool waste for the filling of polyethylene, which makes it possible to increase the properties of polyethylene, reduce t…
An investigation was made of the influence of the composition of a copolymer of 2-acrylamido-2-methylpropane sulphonic acid with methyl methacrylate (MMA) on the suspension copolymerisation of butyl methacrylate (BMA) with methacrylic acid (MAA) and the particle size distribution of the polymer formed. With increase i…
International audience
Magnetic resonance imaging (MRI) has become one of the essential noninvasive diagnostic techniques for soft tissues and diseases. Contrast agents have been developed to produce additional contrast and increase the signal intensity for MRI [1]. Here we report on the synthesis development of target specific contrast age…
Magnetic resonance imaging (MRI) using contrast agents has been widely employed in diagnostic imaging and biomedical research. For this purpose, Gd3+ based complexes are commonly utilized. Recently, responsive (smart) contrast agents (SCAs) are being developed in order to aid better understanding of biological process…
International
在聚酰亚胺衬底(PI衬底)上制备CIGS薄膜太阳电池,由于不同材料热膨胀系数不同,CIGS薄膜与PI/Mo衬底之间会出现断层甚至脱落的现象。先前的研究表明,在沉积CIGS吸收层之前预先沉积100-200nm左右的(In,Ga)xSey预置层,可以显著改善CIGS吸收层在衬底上的附着性。
In recent years, promising materials incorporating five or six membered heterocyclic derivatives as core unit or terminal moiety have attracted great attention.The heterocyclic unit has the ability to impart lateral and/or longitudinal dipoles coupled with changes in molecular shapes. On the other hand, ferroelectric…
ZnS nanoparticle has been syntesized from zinc asetat and thiorea 0.2 M using copresipitation method. The structure of the ZnS nanoparticle are wurtzite with hexagonal and blende (sphalerit) with cubic shape with average size of 39.56 nm. The elements of the ZnS measuring using EDS it was found that Zn has a mass of s…