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280 Newest Publications about the topic rheometry

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Shear thinning in non-Brownian suspensions.

11-Jan-2018 | Guillaume Chatté; Jean Comtet; Antoine Nigues; Lyderic Bocquet; Alessandro Siria; Guylaine Ducouret; Francois L ..., Soft Matter, 2018

We study the flow of suspensions of non-Brownian particles dispersed into a Newtonian solvent. Combining capillary rheometry and conventional rheometry, we evidence a succession of two shear thinning regimes separated by a shear thickening one. Through X-ray radiography measurements, we show that ...

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Structural, thermal, rheological and mechanical properties of polypropylene/graphene nanoplatelets composites: Effect of particle size and melt mixing conditions

20-Dec-2017 | Quentin Beuguel, Alice Mija, Bruno Vergnes, Edith Peuvrel‐Disdier, Polymer Engineering and Science, 2017

Graphene nanoplatelets (GNP) of various sizes were mixed with polypropylene (PP) in an internal mixer to prepare composites. The effects of mixing conditions, GNP size and concentration in composites were investigated. The composites were characterized at different scales, using electron ...

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Gelling Lamellar Phases of the Binary System Water–Didodecyldimethylammonium Bromide with an Organogelator

13-Oct-2017 | Sachi Koitani; Sonja Dieterich; Natalie Preisig; Kenji Aramaki; Cosima Stubenrauch, Langmuir, 2017

Does the presence of a gel network influence the properties of a lyotropic liquid crystal? Does the replacement of oil by a lyotropic liquid crystal influence the properties of an organogel? To answer these questions we study gelled lyotropic liquid crystals (LLC). In the present study we show ...

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Development of New Masterbatches Containing Chain Extenders for Poly(ethylene terephthalate)

06-Oct-2017 | Dennis Berg, Karola Schaefer, Martin Moeller, Macromolecular Symposia, 2017

New masterbatches for poly(ethylene terephthalate) (PET) which contain chain extenders such as 1,3‐phenylene‐bis‐oxazoline (1,3‐PBO) and/or N,N’‐carbonylbiscaprolactam (CBC) were developed. Here, cyclic poly(butylene terephthalate) (cPBT) which has no reactive end groups was used as masterbatch ...

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Compatibilization of poly(lactic acid)/high impact polystyrene interface using copolymer poly(stylene‐ran‐methyl acrylate)

06-Oct-2017 | Xinghou Gong, Xiang Gao, Chak Yin Tang, Wing‐Cheung Law, Ling Chen, Tao Hu, Chonggang Wu, Chi Pong Tsui, Nanxi Rao, Journal of Applied Polymer Science, 2017

ABSTRACT In this work, a surfactant‐free emulsion polymerization method was utilized to synthesize poly(styrene‐ran‐methyl acrylate) (PSMA) at a styrene/(methyl acrylate) mole ratio of 75/25 with the aim to compatibilize high impact polystyrene (HIPS)/poly(lactic acid) (PLA) interface. ...

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Effect of the addition of sepiolite on the morphology and properties of melt compounded PHBV/PLA blends

18-Aug-2017 | Jennifer González‐Ausejo, José Gámez‐Pérez, Rafael Balart, José Maria Lagarón, Luis Cabedo, Polymer Composites, 2017

A study concerning the incorporation of sepiolite in blends of biopolyesters (PHBV/PLA) to obtain clay/polymer nanocomposites (CPN) was performed to improve the gas barrier performance of the final materials and achieve a well dispersed morphology by means of an increase in the melt viscosity ...

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Effect of the addition of sepiolite on the morphology and properties of melt compounded PHBV/PLA blends

18-Aug-2017 | Jennifer González‐Ausejo, José Gámez‐Pérez, Rafael Balart, José Maria Lagarón, Luis Cabedo, Polymer Composites, 2017

A study concerning the incorporation of sepiolite in blends of biopolyesters (PHBV/PLA) to obtain clay/polymer nanocomposites (CPN) was performed to improve the gas barrier performance of the final materials and achieve a well dispersed morphology by means of an increase in the melt viscosity ...

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Characterization of intrinsic material properties of a model lipoproteic emulsion gel by oscillatory and creep compliance rheometry

12-Aug-2017 | Kyle S. Okada, Wan‐Yuan Kuo, Youngsoo Lee, Journal of Texture Studies, 2017

Abstract The effects of varying formulation and processing parameters on rheological properties in a model lipid/protein‐based emulsion gel were studied. Heat‐set model lipoproteic emulsion gels were prepared with varying levels of protein, lipid, and NaCl contents and high pressure ...

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Regulating the crystallizing and rheological behaviors of poly(butylene succinate) by incorporating novel macromolecular ionomers

31-Jul-2017 | Fang Wu, Si‐Yu Xie, Jun‐Hong Chen, Si‐Chong Chen, Gang Wu, Yu‐Zhong Wang, Journal of Applied Polymer Science, 2017

ABSTRACT We designed a novel, facile, and mass‐producible strategy for regulating the crystallizing and rheological behaviors of poly(butylene succinate) (PBS) by incorporating segmented PBS urethane ionomers (PBSUI). These macromolecular ionomers contain two segments: one is an ionic enriched ...

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Wax Precipitation Temperature Measurements Revisited: The Role of the Degree of Sample Confinement

27-Jun-2017 | Felipe L. Paiva; Flávio H. Marchesini; Verônica M. A. Calado; Andre P. Galliez, Energy & Fuels, 2017

In this work, the wax precipitation temperature (WPT) measurements of crude oils are revisited. The conventional methods used to assess the WPT of crude oils are analyzed and the results available are discussed in detail. In addition, three methods, namely polarized light microscopy, ...

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