Dispersant selection for nanomaterials: Insight into dispersing functionalized carbon nanotubes by small polar aromatic organic molecules

Carbon ◽  
2015 ◽  
Vol 91 ◽  
pp. 494-505 ◽  
Author(s):  
Qing Zhao ◽  
Kun Yang ◽  
Siyu Zhang ◽  
Benny Chefetz ◽  
Jian Zhao ◽  
...  
Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2726
Author(s):  
Małgorzata Nadolska ◽  
Marta Prześniak-Welenc ◽  
Marcin Łapiński ◽  
Kamila Sadowska

Carbon nanotubes were successfully functionalized for the first time in a free radical phosphonylation reaction. Three synthetic protocols were proposed. Carbon nanotubes and diethylphosphite reacted in the presence of known radical initiator, such as azobisisobutyronitrile, single electron oxidant—Mn(OAc)3, or under UV radiation. The functionalized material was fully characterized by means of spectroscopic methods, together with microscopic, surface area and thermogravimetric analyses. UV-illumination was found to be the most effective approach for introducing phosphonates onto carbon nanotubes. X-ray photoelectron spectroscopy analysis showed 6% phosphorus in this sample. Moreover, the method was performed at room temperature for only one hour, using diethylphosphite as a reactant and as a solvent. The functionalized carbon nanotubes showed an improved thermal stability, with a decomposition onset temperature increase of more than 130 °C. This makes it very promising material for flame retarding applications.


2013 ◽  
Vol 85 (17) ◽  
pp. 8391-8396 ◽  
Author(s):  
Jing Pan ◽  
Hanyu Zhang ◽  
Tae-Gon Cha ◽  
Haorong Chen ◽  
Jong Hyun Choi

2017 ◽  
Vol 36 (1) ◽  
pp. 14-26 ◽  
Author(s):  
Sanne A. M. Rijkhoff ◽  
Season A. Hoard ◽  
Michael J. Gaffney ◽  
Paul M. Smith

Although much of the social science literature supports the importance of community assets for success in many policy areas, these assets are often overlooked when selecting communities for new infrastructure facilities. Extensive collaboration is crucial for the success of environmental and economic projects, yet it often is not adequately addressed when making siting decisions for new projects. This article develops a social asset framework that includes social, creative, and human capital to inform site-selection decisions. This framework is applied to the Northwest Advanced Renewables Alliance project to assess community suitability for biofuel-related developments. This framework is the first to take all necessary community assets into account, providing insight into successful site selection beyond current models. The framework not only serves as a model for future biorefinery projects but also guides tasks that depend on informed location selection for success.


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