The proposed work involves the synthesis of a lot of additivefree polytetramethylene (PTMO), 4, 4 diphenylmethane diisothionate (MDI), and polyurethaneurea (PUU). They will study bulk and surface characterization, and fabrication into tubes and sheets. Pilots quantity material goals have been identified. Fabrication details are provides. Sterile, packages samples of the polyurethaneurea will be characterized to determine the effect of gamma radiation and to assess time dependent surface changes in the polyurethaneurea primary reference materials. These studies are aimed at determining the effect of degradation by the gamma irradiation sterilization technique. In addition, the investigators will also address timedependent changes that might occur during storage prior to application.

Project Start
1987-06-03
Project End
1989-06-29
Budget Start
1988-06-15
Budget End
1989-06-29
Support Year
Fiscal Year
1988
Total Cost
Indirect Cost
Name
Mercor, Inc.
Department
Type
DUNS #
City
Berkeley
State
CA
Country
United States
Zip Code
94710