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Highly fluorinated polyurethanesNew polyurethanes containing a high degree of fluorine atoms are reported. The presence of the fluorine atoms in the polyurethane resins provides material having good thermal stability and chemical resistance. These polyurethanes are derived from a new hydroxy-terminated perfluoro polyether. The hydroxy terminated material is reacted with a diisocyanate to produce the polyurethanes. The polyurethanes can be used to form seals, coatings, potting material, hoses and the like.
Document ID
19720019501
Acquisition Source
Legacy CDMS
Document Type
Other - Patent Application
Authors
Stump, E. C., Jr. (Peninsular ChemResearch, Inc. Gainesville, FL, United States)
Rochow, S. E. (Peninsular ChemResearch, Inc. Gainesville, FL, United States)
Date Acquired
August 29, 2013
Publication Date
April 4, 1972
Subject Category
Chemistry
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-241061
Patent Number: NASA-CASE-NPO-10767-2
Accession Number
72N27151
Funding Number(s)
CONTRACT_GRANT: NAS7-746
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-NPO-10767-2
Patent Application
US-PATENT-APPL-SN-241061

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