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A Technique for Reducing the Outgassing of Silicone CompoundsA technique was developed to heat silicone resins in vacuum and thereby remove the low molecular weight molecules which contribute to the high outgassing of the untreated resins. The technique was successfully applied to two silicone resins. Heating the monomer to a temperature about 398 K (125 C) in a vacuum of about 0.0001 N/sq m removes about 10% of the resin weight, and the resultant resin when catalyzed can meet the outgassing requirements when tested according to ASTM E-595. The physical properties of RTV-615 when devolatilized at 398 K (125 C) or at 423 K (150 C) were measured.
Document ID
19830010511
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
J J Park (Goddard Space Flight Center Greenbelt, United States)
C H Clatterbuck (Goddard Space Flight Center Greenbelt, United States)
Date Acquired
August 11, 2013
Publication Date
July 1, 1982
Publication Information
Publication: ESA Spacecraft Mater. in a Space Environ.
Subject Category
Nonmetallic Materials
Meeting Information
Meeting: Proceedings of a Symposium on Spacecraft Materials in a Space Environment
Location: Noordwijk
Country: NL
Start Date: October 2, 1979
End Date: October 5, 1979
Sponsors: ESTEC Product Assurance Division
Accession Number
83N18782
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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