Processing of High Tg Polymers for Aircraft Canopies using a Supermicrocellular Foaming Technique

Award Information
Agency:
Department of Defense
Branch
Office of the Secretary of Defense
Amount:
$742,676.00
Award Year:
1998
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Agency Tracking Number:
36592
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
WRIGHT MATERIALS RESEARCH CO.
3591 Apple Grove Dr., Beavercreek, OH, 45430
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr. Seng C. Tan
(937) 643-0007
Business Contact:
() -
Research Institution:
n/a
Abstract
Current fighter canopy systems are fabricated using acrylics and polycarbonates which have low use temperatures, up to 220F and 300F, respectively. Wind tunnel testing of aircraft windshield showed that the transparency surface temperatures varied from 200F to 500F. Therefore, high Tg canopy systems are needed to fully utilize advanced weapon systems. Conventional processing techniques for high Tg polymers have encountered a coloration problem as the specimen become thicker. We propose a supermicrocellular foaming technique using the principle thermodynamic instability to process aircraft canopy system. The cell size of a supermicrocellular foram (submicrons) is smaller than the wavelength of visible light (0.4-0.7) so the majority of light will be transmitted through the material without being deflected.

* information listed above is at the time of submission.

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