Oklahoma Nanotechnology Company Secures $2.7M to Expand Manufacturing Capacity


 

Food and NT 4153936-3x2-340x227A Norman-based technology company has secured $2.7 million in financing to add staff and expand its production capacity.

SouthWest NanoTechnologies Inc. produces carbon nanotube materials used in printed electronics, energy storage and composites applications.

“We need to add to our capacity to meet the demand for our specialty multi-wall products driven by our strategic partnerships and distribution agreements,” company President Dave Arthur said in a news release.

“This additional funding will also be used for (research and development) to develop additional carbon nanotube materials and inks that meet customer specifications.”

SouthWest NanoTechnologies will use its new funding to expand its Norman plant and fill about eight available positions for scientists, engineers and technical support personnel.

Arthur said the company’s Norman plant has only one shift of workers, but he hopes to increase that to three by the end of the year to churn out more nanotubes.

“We’re shipping as much of that material as we can make,” he said.

The company is getting $1.7 million as part of a $4 million round of convertible notes.

The other $1 million is from a venture debt transaction.

Arthur said the company also intends to invest in ramping up its catalyst operations, which provide the feedstock to make nanotubes.

SouthWest NanoTechnologies has licensed its catalyst to an Asian nanotube manufacturer to serve that market, he said.

Such deals could be expanded to include manufacturers around the world as the technology becomes more widespread.

Dave Arthur w300-97e212016cc04a09d6d1ac403be54d47

               

Dave Arthur, SouthWest NanoTechnologies Inc. president

 

 

 

Arthur said in the next five years or so carbon nanotubes could be used to enhance cement and asphalt, reducing infrastructure costs and making it easier to detect cracks.

SouthWest NanoTechnologies to Showcase New Carbon Nanotube Products at MRS 2012


SouthWest NanoTechnologies Inc., a leading developer of high quality carbon nanotubes, will be exhibiting new Carbon Nanotube products at the 2012 Materials Research Society (MRS) Fall Meeting & Exhibit, November 27-29, in booth 1116 at the Hynes Convention Center in Boston.

November 27, 2012

SWeNT will feature Single-Wall Carbon Nanotube (SWCNT) SG65i, developed for use in printed semiconductor devices. SG65i is produced using the patented CoMoCAT® process, widely recognized for its unique ability to control SWCNT chirality. SWeNT will also feature SMW210, a new grade in its SMW™ line of Specialty Multi-Wall CNT.

SG65i is an advancement on SG65, recognized for its high concentration of semiconducting species. For SG65i ≥ 95% of the CNT are semiconducting in nature. This enables a wide range of printed electronics applications, requiring little or no additional processing to fabricate printed TFTs, for example.

SMW210 and its highly purified sister product, SMW200, have demonstrated the greatest ease of dispersion and lowest percolation threshold of any MWCNT product in multiple customer thermoplastic compound evaluations. This enables ESD (electrostatic discharge) performance at lower filler loadings than either Carbon Black or other Multi-wall CNT, in a variety of polymers. This low percolation threshold minimizes the degradation of physical properties of the polymer, a common problem in heavily loaded compounds, and higher conductivity at comparable loading broadens the range of applications for conductive polymer compounds.

Because certain post-synthesis processes are not needed for SMW210, the pricing is much lower. SMW210 has a hybrid structure with metal-oxide particles attached to the CNT, improving dispersion still further, at a much lower cost than SMW200. In thermoplastic compounds, there is little performance difference between SMW200 and SMW210 with respect to ease of dispersion, conductivity and percolation, with most customers for conductive polymers choosing SMW210 due to economic benefits.

SMW200 has also been demonstrated as a Carbon Black replacement in Lithium Ion battery cathodes. Very low loadings (1 wt %) of SWM200 have resulted in doubled cycle life, higher capacity, lower heat build-up and better low temperature performance.