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4.013 Aktuelle Fachpublikationen zum Thema temperature

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Synergistic effects of zinc oxide in montmorillonite flame‐retardant polystyrene nanocomposites

20.11.2015 | Yongqin Han, Tingxi Li, Bo Gao, Li Gao, Xiujuan Tian, Qiang Zhang, Yanmin Wang, Journal of Applied Polymer Science, 2015

ABSTRACT In this study, two‐dimensional organic montmorillonite (OMMT) and one‐dimensional needlelike ZnO were used as flame retardants of polystyrene (PS). Polystyrene/organic montmorillonite (PMT) and polystyrene/organic montmorillonite/zinc oxide nanocomposites (PMZs) with different weight ...


Smart composite useful to acid release

20.11.2015 | Ellen O. Grance, E. R. F. dos Santos, Camila Andrade, G. E. Oliveira, Jose Carlos Pinto, Marcio Nele, Fernando G. Souza, Journal of Applied Polymer Science, 2015

ABSTRACT This work presents a smart composite prepared using a resin based on cardanol and furfural, filled with Al2O3. This material is inert at room temperature. However, it is able to release an active substance after a certain temperature is reached. The obtained materials were ...


Insight into Al existing form and its role on microstructure and properties of Cr1−xAlxN films

20.11.2015 | Yingying Fu, Hongxuan Li, Li Ji, Xiaohong Liu, Liu Liu, Huidi Zhou, Jianmin Chen, Surface and Interface Analysis, 2015

A series of Cr1−xAlxN (where x denotes the atom fraction of Al in Cr1−xAlxN film) films with different Al contents have been deposited by unbalanced reactive magnetron sputtering technique. The chemical composition, microstructure, surface morphology, cross‐sectional structure, mechanical ...


Surface thermodynamics of Efavirenz and a blend of Efavirenz with cellulose acetate propionate by inverse gas chromatography

20.11.2015 | B. Praveen Kumar, S. Ramanaiah, T. Madhusudana Reddy, K. S. Reddy, Surface and Interface Analysis, 2015

The purpose of this paper is to study the effect of an excipient on the surface energetics of Efavirenz (EFV) drug. The net retention volumes, VN, for n‐alkanes and polar solutes on the two columns, namely, EFV drug and a blend of EFV with cellulose acetate propionate have been measured by ...


A complete TSDC description of molecular mobilities in polylactide/starch blends from local to normal modes: Effect of composition, moisture, and crystallinity

20.11.2015 | Estrella Laredo, Dinorah Newman, Romina Pezzoli, Alejandro J. Müller, Alfredo Bello, Journal of Polymer Science Part B: Polymer Physics, 2015

ABSTRACT Thermally stimulated depolarization current is applied to study the dielectric relaxations coexisting from 80 to 380 K in the PLLA/starch, immiscible biodegradable blend system. The relaxation parameters are determined for chain mobilities at different ranges, whether in the amorphous ...


Modeling of wax deposition for water‐in‐oil dispersed flow

18.11.2015 | Yuanxin Zhou, Jing Gong, Pengyu Wang, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract Wax deposition for waxy crude oil is a long standing issue in oil production and transportation systems. With oil produced with water, the oil–water two‐phase wax deposition becomes a research hotspot. Experiments of water‐in‐oil emulsion wax deposition were conducted in the indoor ...


Specific heavy metal ion recovery with ion‐imprinted cryogels

17.11.2015 | Mitra Jalilzadeh, Lokman Uzun, Serap Şenel, Adil Denizli, Journal of Applied Polymer Science, 2015

ABSTRACT In this study, the functional monomers, N‐methacryloyl‐l‐aspartic acid and N‐methacryloyl‐l‐cysteine were synthesized through a reaction between appropriate amino acids and methacryloyl chloride. Then, Pb(II) or Cd(II) ion‐imprinted 2‐hydroxyethyl methacrylate based cryogels were ...


Poly(vinyl alcohol) modified by KE reactive dyes as a novel proton‐exchange membrane for potential fuel‐cell applications

17.11.2015 | Tianchi Zhou, Xuemei He, Kongliang Xie, Journal of Applied Polymer Science, 2015

ABSTRACT A new type of proton‐exchange membrane based on poly(vinyl alcohol) (PVA) modified KE reactive dyes (KE‐4BD) was prepared and evaluated as H+‐conducting polymer electrolytes. The effects of the content of KE‐4BD on the membrane H+ conductivity and water uptake were studied with an ...


Identification of the coke deposited on 13X industrial zeolite molecular sieves during mercaptan removal process

17.11.2015 | M. Haghighi Asl, J. Sargolzaei, F. Moosavi, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract Industrial Z10‐13X zeolite was deactivated by coking during the sequenced pressure and temperature swing mercaptan removal unit at the conditions of 40 °C and 68 bar in adsorption mode and 300 °C and 8 bar in regeneration mode. In this study, detailed coke features inside industrial ...


Effects of TRiEGME on water icing behavior in aviation turbine fuel

17.11.2015 | K. Chen, T. Sun, H. Xiang, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract The high vapor pressure of diethylene glycol monomethyl ether, the only approved civil aviation fuel system icing inhibitor (FSII), causes the peeling of fuel tank topcoat material. This leads to increased maintenance costs and decreased aircraft mission capabilities. Triethylene ...


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