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Main Title Evaluation of HFC 245ca and HFC 236ea as Foam Blowing Agents.
Author Sharpe, J. ; MacArthur, D. ; Kollie, T. ; Graves, R. ; Liu, M. ;
CORP Author Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab. ;Oak Ridge National Lab., TN. Metals and Ceramics Div. ;Martin Marietta Aerospace, New Orleans, LA. Manned Space Systems.;National Aeronautics and Space Administration, Huntsville, AL. George C. Marshall Space Flight Center.;Department of Energy, Washington, DC.
Publisher 1994
Year Published 1994
Report Number EPA/600/A-94/242; NASA-NAS8-36200 ;DE-AC05-84OR21400;
Stock Number PB95-155032
Additional Subjects Fluorohydrocarbons ; Blowing agents ; Foaming agents ; Physical properties ; Performance evaluation ; Reprints ; Insulating materials ; Urethanes ; Flammability ; Toxicity ; Solubility ; Environmental chemical substitutes ; Materials replacement ; Hydrofluorocarbons ; HFC 245ca ; HFC 236ea ; Use patterns ; Environmental fate
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NTIS  PB95-155032 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 21p
Abstract The paper gives results of a limited evaluation of the developmental hydrofluorocarbons (HFCs) 245ca and 236ea as blowing agents in urethane-based insulation. These materials were selected from screening tests of 37 C2, C3, and C4 isomers based on physical properties, atmospheric lifetime, flammability, estimated toxicity, difficulty of synthesis, suitability for dual use as a refrigerant, and other factors. Solubility of the two materials in typical foam components was tested, pour foaming trials were performed, and preliminary data were gathered regarding foam insulation performance.
Supplementary Notes Presented at Polyurethanes 1994 Conference, Boston, MA., October 9-12, 1994. Prepared in cooperation with Oak Ridge National Lab., TN. Metals and Ceramics Div. and Martin Marietta Aerospace, New Orleans, LA. Manned Space Systems. Sponsored by National Aeronautics and Space Administration, Huntsville, AL. George C. Marshall Space Flight Center. and Department of Energy, Washington, DC.
Highlights Notes %AUT:R. /Hendriks
NTIS Title Notes Rept. for May 93-Jun 94.
Title Annotations Reprint: Evaluation of HFC 245ca and HFC 236ea as Foam Blowing Agents.
Category Codes 71M; 99F; 68A
NTIS Prices PC A03/MF A01
Primary Description 600/13
Document Type NT
Cataloging Source NTIS/MT
Control Number 504716051
Origin NTIS
Type CAT