Long-Life, Hydrophilic, Antimicrobial Coating for Condensing Heat Exchangers

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,958.00
Award Year:
2011
Program:
SBIR
Phase:
Phase I
Contract:
NNX11CG20P
Award Id:
n/a
Agency Tracking Number:
105137
Solicitation Year:
2010
Solicitation Topic Code:
X3.04
Solicitation Number:
n/a
Small Business Information
Creare, Inc. (Currently CREARE LLC)
NH, Hanover, NH, 03755-3116
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
072021041
Principal Investigator:
Michael Izenson
Principal Investigator
(603) 643-3800
mgi@creare.com
Business Contact:
James Barry
President
(603) 643-3800
contractsmgr@creare.com
Research Institution:
Stub




Abstract
Environmental control systems for manned exploration spacecraft and lunar/planetary bases will need a condensing heat exchanger (CHX) to control humidity in crew habitat modules. Antimicrobial coatings are needed to prevent growth of microbes and formation of biofilms on the condensing surfaces inside the CHX and maintain a healthy spacecraft environment. Creare has developed a highly adherent, hydrophilic, antimicrobial coating that can be applied to heat exchanger surfaces. However, recent studies have shown that the lifetime of this coating may be limited in prototypical environments. We propose to develop an improved coating process that builds on our prior coating development but adds features to extend the lifetime, potentially to ten years. In Phase I we will prove the feasibility of our approach through theoretical studies of coating stability, deposition of trial coatings, analysis of the coatings, and measurement of coating performance after exposure to prototypical environments. In Phase II we will scale up and refine the process, produce prototypical CHX cores with the hydrophilic and antimicrobial coating, and demonstrate performance after extended exposure to prototypical environments.

* information listed above is at the time of submission.

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