06.04.2013 | Bo Geun Song, Young Heon Choi, Son‐Ki Ihm, Journal of Applied Polymer Science, 2013

Abstract Copolymerization of propylene and ethylene and terpolymerization of propylene, ethylene, and 1‐butene were carried out to compare the characteristics of diether‐ and phthalate‐based Ziegler‐Natta catalysts in a reaction system of pilot scale. The ethylene incorporation with the ...

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06.04.2013 | Ali Ebrahimi Jahromi, Ahmad Arefazar, Omid Moini Jazani, Morteza Ganjaee Sari, Mohammad Reza Saeb, Mohammad Salehi, Journal of Applied Polymer Science, 2013

Abstract Applying the Taguchi method of experimental design, we prepared various polyamide 6 (PA6)/acrylonitrile butadiene rubber (NBR)/nanoclay nanocomposites under different processing conditions by melt mixing in an internal mixer. The effects of the processing variables, including the ...

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05.04.2013 | K. Chen, T. Sun, Asia-Pacific Journal of Chemical Engineering, 2013

ABSTRACT The incomplete regeneration of diesel particulate filter may cause a local build‐up of the soot on the partially regenerated areas during next filtration cycle. This may be one of reasons causing the melting of the ceramic filter during regeneration. In this paper, we ...

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05.04.2013 | Yong Zhu, Yuntao Xu, Guangsu Huang, Journal of Applied Polymer Science, 2013

Abstract A series of novel thermosensitive polymers were synthesized with acrylamide and thermosensitive macromonomers by radical polymerization in water solution. The structures of the copolymers were characterized by 1H‐NMR. The effects of the polymer concentration, NaCl concentration, ...

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05.04.2013 | Aneesh Kumar Kottaran Veedu, Ravikumar Harijan Basavaraju, Ranganathaiah Chikkakuntappa, Journal of Applied Polymer Science, 2013

Abstract Annealing studies have been carried out to understand the temperature induced microstructural changes in Bakelite (P‐120 NEMA LI‐1989 Grade XXX) Resistive Plate Chamber (RPC) detector material using Positron annihilation lifetime spectroscopy (PALS), Fourier transform infrared ...

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04.04.2013 | Ilaria M. Comotti, Monica Trueba, Stefano P. Trasatti, Surface and Interface Analysis, 2013

This paper reports a systematic investigation of corrosion in 0.6 mol/l NaCl of freshly polished 1050‐H24, 6082‐T6, 2024‐T3 and 7075‐T6 Al alloys by single‐cycle anodic polarization using different anodic current limits for scan reversal (irev). For all alloys but Al 1050‐H24, an inflection ...

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03.04.2013 | Lei Zhang, Chengyu Wu, Yong Zhang, Fang Liu, Ming Zhao, Michael Bouvet, Robert M. Hoffman, Journal of Cellular Biochemistry, 2013

ABSTRACT Pancreatic cancer is highly treatment‐resistant and has one of the highest fatality rates of all cancers and is the fourth highest cancer killer worldwide. Novel, more effective strategies are needed to treat this disease. We report here on the use of patient‐like orthotopic ...

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03.04.2013 | Patrick Merlot, Thomas Kjærgaard, Trygve Helgaker, Roland Lindh, Francesco Aquilante, Simen Reine, Thomas Bondo Pedersen, Journal of Computational Chemistry, 2013

Abstract An analysis of Dunlap's robust fitting approach reveals that the resulting two‐electron integral matrix is not manifestly positive semidefinite when local fitting domains or non‐Coulomb fitting metrics are used. We present a highly local approximate method for evaluating ...

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03.04.2013 | Aggelos Avramopoulos, Heribert Reis, Josep M. Luis, Manthos G. Papadopoulos, Journal of Computational Chemistry, 2013

Abstract The vibrational (hyper)polarizabilities of some selected Xe derivatives are studied in the context of Bishop–Kirtman perturbation theory (BKPT) and numerical finite field methodology. It was found that for this set of rare gas compounds, the static vibrational properties are ...

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03.04.2013 | Mark P. Waller, Thomas Dresselhaus, Jack Yang, Journal of Computational Chemistry, 2013

Abstract Here, we present just a collection of beans (JACOB): an integrated batch‐based framework designed for the rapid development of computational chemistry applications. The framework expedites developer productivity by handling the generic infrastructure tier, and can be easily ...

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