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Stabilized unsaturated polyestersAn unsaturated polyester, such as propylene glycolmaleic acid phthalic acid prepolymer dissolved in styrene is interpolymerized with an ultraviolet absorber and/or an antioxidant. The unsaturated chain may be filled with H or lower alkyl such as methyl and tertiary alkyl such as tertiary butyl. A polymer stable to exposure to the outdoors without degradation by ultraviolet radiation, thermal and/or photooxidation is formed.
Document ID
19850020731
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Vogl, O. (JPL Pasadena, Calif., United States)
Borsig, E. (JPL Pasadena, Calif., United States)
Date Acquired
August 12, 2013
Publication Date
June 11, 1985
Subject Category
Nonmetallic Materials
Report/Patent Number
Patent Number: NASA-CASE-NPO-16103-1
Patent Number: US-PATENT-4,523,008
Patent Application Number: US-PATENT-APPL-SN-617871
Accession Number
85N29043
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-NPO-16103-1|US-PATENT-4,523,008
Patent Application
US-PATENT-APPL-SN-617871

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