نتایج جستجو برای: polysulfide polymer

تعداد نتایج: 93676  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Irune Villaluenga Kevin H Wujcik Wei Tong Didier Devaux Dominica H C Wong Joseph M DeSimone Nitash P Balsara

Despite high ionic conductivities, current inorganic solid electrolytes cannot be used in lithium batteries because of a lack of compliance and adhesion to active particles in battery electrodes as they are discharged and charged. We have successfully developed a compliant, nonflammable, hybrid single ion-conducting electrolyte comprising inorganic sulfide glass particles covalently bonded to a...

Polysulfide is well known elastomer for use in aerospace applications due to providing flexible coating and chemically resistant sealants. In this work, the effects of carbon black content on curing behavior of polysulfide elastomer were investigated and Rheological properties for samples with different filler content 15, 20 and 25 phr were evaluated by rheometric mechanical spectrometer RMS. A...

2016
Michael P. Crockett Austin M. Evans Max J. H. Worthington Inês S. Albuquerque Ashley D. Slattery Christopher T. Gibson Jonathan A. Campbell David A. Lewis Gonçalo J. L. Bernardes Justin M. Chalker

A polysulfide material was synthesized by the direct reaction of sulfur and d-limonene, by-products of the petroleum and citrus industries, respectively. The resulting material was processed into functional coatings or molded into solid devices for the removal of palladium and mercury salts from water and soil. The binding of mercury(II) to the sulfur-limonene polysulfide resulted in a color ch...

Journal: :Curved and Layered Structures 2022

Abstract Epoxies as a thermoset polymer have got great attention in different applications. To elaborate their employing and surmount brittleness, many polymers were blended with them. The results confirm that the good mechanical properties are obtained when 6wt% of Polysulfide Rubber (PSR) is epoxy reinforced fiber glass. effect rubber glass on viscoelastic investigated using creep-recovery da...

Journal: :Nano letters 2014
Frank Y Fan William H Woodford Zheng Li Nir Baram Kyle C Smith Ahmed Helal Gareth H McKinley W Craig Carter Yet-Ming Chiang

A new approach to flow battery design is demonstrated wherein diffusion-limited aggregation of nanoscale conductor particles at ∼1 vol % concentration is used to impart mixed electronic-ionic conductivity to redox solutions, forming flow electrodes with embedded current collector networks that self-heal after shear. Lithium polysulfide flow cathodes of this architecture exhibit electrochemical ...

Journal: :Justus Liebig's Annalen der Chemie 1908

In current work, halogenated sunflower oil was reacted with Na2S3 to produce sunflower oil-based polysulfide polymer. Cloisite 30B as organomodified nanoclay was used in different contents to investigate its effect on the properties of the synthesized polymer. All nanocomposites were prepared via in situ polymerization method in aqueous media. Fourier Transform-InfraRe...

Journal: :Journal of dental research 1974
A J Goldberg

The viscoelastic properties of nine silicone-, polysulfide-, and polyether-based impression materials were determined using creep tests. During deformation the materials demonstrated linear viscoelastic behavior. The creep compliance curves, recovery, and percent set were calculated. Permanent deformation in these materials is a result of lack of recovery of elastic deformation as well as visco...

Journal: :Water research 2011
Eun-Ah Kim Richard G Luthy

This study investigated the role of dissolved organic matter on mercury partitioning between a hydrophobic surface (polyethylene, PE) and a reduced sulfur-rich surface (polysulfide rubber, PSR). Comparative sorption studies employed polyethylene and polyethylene coated with PSR for reactions with DOM-bound mercuric ions. These studies revealed that PSR enhanced the Hg-DOM removal from water whe...

2017

Current concerns of the pressing environmental pollution issues and limited fossil energy resources have increased the R&D interest and investment in clean energy technologies. LIBs, as commonly used clean energy storage devices, have transformed portable electronic devices and electric transportation greatly, but have limitations of high cost and relatively low specific energy [1]. Due to adva...

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