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Tunable physicochemical properties of PVA nanocomposite membranes for enhanced pervaporation performance

16.06.2017 | Thomasukutty Jose, Soney C. George, Sabu Thomas, Polymer Engineering and Science, 2017

This study reveals the effect of hydrophilic bentonite nanoclay on the pervaporation separation of azeotropic composition of water and 1,4‐dioxane. The permselectivity of the membrane increased with filler concentration and was selective toward water at minimum filler loading. The intrinsic ...


Comprehensive study on the relationships between the processing, the microstructure, and mechanical properties of injection molded polypropylenes

16.06.2017 | Carlos N. Barbosa, Ricardo Simoes, Markus Franzen, Thomas Baranowski, Julio C. Viana, Polymer Engineering and Science, 2017

The relationship between the morphologies of different injection molded polypropylenes and their tensile properties measured at high strain rate were investigated. A threefold systematic analysis is proposed by establishing the following relationships: (i) processing‐morphology; (ii) ...


Modification of polyoxymethylene for increased thermal resistance

16.06.2017 | Remo Merijs Meri, Jānis Zicans, Agnese Ābele, Tatjana Ivanova, Mārtiņš Kalniņš, Kārlis Kundziņš, Polymer Engineering and Science, 2017

Ternary nanocomposites, composed of polyoxymethylene (POM), ethylene octene copolymer and zinc oxide (ZnO), are prepared by melt compounding. The effects of two types of ethylene‐octene copolymers, differing with α‐octene content (38% for EOC38 and 17% for EOC17), as well as nanostructured ZnO ...


Preparation and in Vitro Evaluation of Hydrophobic‐Modified Montmorillonite Stabilized Pickering Emulsion for Overdose Acetaminophen Removal

16.06.2017 | Wenjun Zhang, Min Li, Xianlin Fan, Xiao Sun, Gaohong He, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT Pickering emulsion stabilized with hydrophobic‐modified montmorillonite (HMMT) was proposed for treating acute overdose acetaminophen intoxication, with a rapid removal rate, better stability, and good biocompatibility. The tiny HMMT was able to adsorb at the oil‐water interface of ...


Covariance Eigenpairs Neighbor Distance for Fault Detection in Chemical Processes

16.06.2017 | Jun Shang, Maoyin Chen, Donghua Zhou, The Canadian Journal of Chemical Engineering, 2017

Abstract This paper presents a new data‐driven fault detection method called covariance eigenpairs neighbor distance (CEND) for monitoring chemical processes. It processes measured data in one‐step sliding windows to estimate covariance, and the eigenpairs of each sample covariance matrix are ...


Hydrogenation of Aromatics Compounds: Calculation of Thermodynamic Properties Using Molecular Index Connectivity

16.06.2017 | Bruno M. Santos, Jose L. Zotin, Papa M. Ndiaye, Mônica A. P. da Silva, The Canadian Journal of Chemical Engineering, 2017

Abstract In this work, calculation of relevant thermodynamics properties, for hydrogenation reaction of aromatics compounds, was performed using the approach of molecular topology. Among the several molecular topological indexes, the molecular connectivity indexes have been widely for ...


Development of a new two‐enzyme biosensor based on poly(pyrrole‐co‐3,4‐ethylenedioxythiophene) for lactose determination in milk

15.06.2017 | Oguz Gursoy, Songul Sen Gursoy, Sadik Cogal, Gamze Celik Cogal, Polymer Engineering and Science, 2017

A new lactose biosensor was developed by preparing a suitable copolymer of polypyrrole and poly(3,4‐ethylenedioxythiophene) synthesized using the electropolymerization method. Pyrrole and 3,4‐ethylenedioxythiophene monomers were deposited in the presence of sodium dodecylbenzene sulphonic acid ...


Confocal raman spectroscopy studies on the mutual diffusion behavior at the interface between two different polyesters

15.06.2017 | Norihiro Fukuri, Toshiaki Ougizawa, Polymer Engineering and Science, 2017

To obtain a polyester‐based toner with both low‐energy fusing performance and good storage stability, we investigated a toner with a core–shell structure comprising two different polyesters with a low glass‐transition temperature (Tg) and a high Tg, respectively. In this study, to fabricate and ...


Modeling and experimental validation of interfacial fatigue damage in fiber‐reinforced rubber composites

15.06.2017 | Bin Zhang, Xiaoming Yu, Boqin Gu, Polymer Engineering and Science, 2017

This article presents an experimental and numerical study of short‐fiber‐reinforced rubber sealing composites (SFRC) at different stress amplitudes (1 MPa, 2 MPa, and 3 MPa). The curves of the maximum strain varying with the number of cycles were obtained by the fatigue test, and the damage ...


Effect of selective localization of cellulose nanowhiskers on viscoelastic phase separation

15.06.2017 | Mohamad Ali Sanjari Shahrezaei, Fatemeh Goharpey, Jafar Khademzadeh Yeganeh, Polymer Engineering and Science, 2017

Viscoelastic phase separation (VPS) is a fundamental physical phenomenon that creates percolated network structure in dynamically asymmetric mixtures. The object of this study was to investigate the effect of rod shape nanoparticles with different surface chemistries on VPS in the ...


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