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Effect of cure temperature and isocyanate index on the softening point of rigid polyurethane foam [electronic resource].

Published
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1977.
Physical Description
Pages: 21 : digital, PDF file
Additional Creators
United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Thermomechanical and mechanical spectrometry analyses were used to determine the influence of the cure temperature and the isocyanate index on the softening temperature of molded, rigid urethane foam. Foams were formulated from both polyether and polyester polyols, molded to a density of 350 kg/m/sup 3/, and cured at various temperatures. Test results indicate that an increase in the cure temperature produces an increase in the softening temperature of the foam until a maximum value is achieved. An increase in the isocyanate index also increases the softening temperature within the 1.0 to 1.4 index range studied.
Report Numbers
E 1.99:bdx-613-1893
E 1.99: conf-771020-2
conf-771020-2
bdx-613-1893
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
08/01/1977.
"bdx-613-1893"
" conf-771020-2"
23. technical conference of the cellular plastics division, San Francisco, CA, USA, 26 Oct 1977.
Smith, C.H.; Neet, T.E.; Parker, B.G.
Bendix Corp., Kansas City, MO (USA)
Funding Information
EY-76-C-04-0613
View MARC record | catkey: 14462303