A broad-spectrum reactive nanocomposite gel coating to sequester chemical warfare agents

Award Information
Agency: Department of Defense
Branch: Office for Chemical and Biological Defense
Contract: W911NF-13-P-0012
Agency Tracking Number: C131-101-0110
Amount: $99,899.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: CBD13-101
Solicitation Number: 2013.1
Solicitation Year: 2013
Award Year: 2013
Award Start Date (Proposal Award Date): 2013-05-29
Award End Date (Contract End Date): 2013-11-29
Small Business Information
50 Soldiers Field Place, Brighton, MA, -
DUNS: 557201394
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Xinhua Li
 Senior Scientist
 (617) 621-8500
Business Contact
 Mitchell Zakin
Title: EVP, Govt Development&Innovation
Phone: (617) 621-8500
Email: mzakin@nanoterra.com
Research Institution
Chemical warfare agents, such as nerve and mustard agents, pose serious threats to our soldiers and civilians. An efficient barrier coating which can sequester and deactivate chemical agents is urgently needed. We propose a broad spectrum responsive nanocomposite gel coating that can irreversibly sequester and deactivate a variety of chemical agents. Our base material is a fast curing gel modified with functional groups and ions. Nanoparticles are added to tailor the reactivity and mechanical properties of the gel coating. The basic gel system will deactivate mustard agents rapidly. The functional groups will capture phosphorus-based nerve agents efficiently. The ions will accelerate the reaction against nerve agents, such as VX. A colorimetric functional group will indicate the location of contamination within the coating after deactivation. We have demonstrated that the basic gel composites form peelable gel coatings and sequester phosphorus and sulfur-containing compounds with high capture capacity. Preliminary test of the gels against 4 chemical simulants show that the gel can sequester simulants at surface loadings>12 g/m2 with at least 95% capture efficiency. We will optimize the formulation to improve mechanical strength and capture efficiency. Testing against live agents (e.g. HD and VX) will be carried out in collaboration with Dr. Harry Salem at the Army Edgewood Chemical and Biological Center (ECBC).

* Information listed above is at the time of submission. *

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