Nanotechnology Now

Our NanoNews Digest Sponsors





Heifer International

Wikipedia Affiliate Button


android tablet pc

Home > News > Supercritical fluid processing of carbon nanotube composites

December 17th, 2008

Supercritical fluid processing of carbon nanotube composites

Abstract:
Supercritical fluids are quickly becoming an alternative to costly and dangerous organic solvents in chemical processes. As the boundaries between gas and liquid blur at high temperatures and pressure, a supercritical fluid loses surface tension and can act as an impressive solvent. Readers of Nobel Intent have seen the endless stream of CNT coverage as the nanotechnology boom continues—it was only a matter of time before carbon nanotubes (CNTs) and supercritical fluids were put together.

Supercritical fluid processing of CNTs has generated composite materials that, in some cases, are easier and cheaper to prepare, while in others produced entirely new nanostructures. Advanced Materials has put together a review showing the diversity of the structures prepared with supercritical fluids and CNTs.

CNTs, despite all their glowing press coverage, don't play well with others. The lock-tight carbon-carbon bonding makes it difficult to bond other molecules to their surface, a process called functionalizing, and the low surface tension makes any attempts at sticking particles to the CNT the rough equivalent of trying to glue something to a Teflon frying pan. The difficulties associated with dispersing CNTs in a solution (past coverage of this problem, and one solution, can be found here) makes solution processing and bulk preparation of CNT composites difficult.

Source:
arstechnica.com

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

'Exotic' material is like a switch when super thin April 18th, 2014

Innovative strategy to facilitate organ repair April 18th, 2014

Oxford Instruments Asylum Research Introduces the MFP-3D InfinityTM AFM Featuring Powerful New Capabilities and Stunning High Performance April 18th, 2014

Conductive Inks: booming to $2.8 billion by 2024 April 17th, 2014

Nanotubes/Buckyballs

Effects of Carbon Nanotubes Studied on Pregnant Mothers April 12th, 2014

Nanotech Business Review 2013-2014 April 9th, 2014

Scientists Succeed in Simultaneous Determination of Acetaminophen, Codeine in Drug Samples April 9th, 2014

Rebar technique strengthens case for graphene: Rice University lab makes hybrid nanotube-graphene material that promises to simplify manufacturing April 7th, 2014

Discoveries

'Exotic' material is like a switch when super thin April 18th, 2014

Innovative strategy to facilitate organ repair April 18th, 2014

Thinnest feasible membrane produced April 17th, 2014

More effective kidney stone treatment, from the macroscopic to the nanoscale April 17th, 2014

Materials/Metamaterials

Thinnest feasible membrane produced April 17th, 2014

INSCX™ exchange to present Exchange trade reporting mechanism for engineered nanomaterials (NMs) to UK regulation agencies, insurers and upstream/downstream users April 17th, 2014

Engineers develop new materials for hydrogen storage April 15th, 2014

Industrial Nanotech, Inc. Lands First Major Order from Pemex, Mexico’s State-Owned Oil and Gas Company April 14th, 2014

Announcements

'Exotic' material is like a switch when super thin April 18th, 2014

Innovative strategy to facilitate organ repair April 18th, 2014

Oxford Instruments Asylum Research Introduces the MFP-3D InfinityTM AFM Featuring Powerful New Capabilities and Stunning High Performance April 18th, 2014

Transparent Conductive Films and Sensors Are Hot Segments in Printed Electronics: Start-ups in these fields show above-average momentum, while companies working on emissive displays such as OLED are fading, Lux Research says April 17th, 2014

NanoNews-Digest
The latest news from around the world, FREE







  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More














ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







© Copyright 1999-2014 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE