Flexible Urethane Foams and Chlorofluorocarbon Emissions

by W. E. Mooz, Timothy H. Quinn


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A study of the use of chlorofluorocarbons (CFC) in the manufacture of flexible urethane foams, and methods of reducing CFC emissions from these products. The manufacture of flexible urethane foams is described, and CFC emissions resulting from this product are estimated and projected. Two methods of reducing these are discussed. The first, substitution of methylene chloride, is in present use, and could probably reduce total emissions of CFC to about 50 percent of their value. The second, recovery and recycle of the CFC, appears technically feasible, but is essentially unproven. It could also reduce emissions by about 50 percent. Conditions under which these methods could be induced, including economic incentives, are described and analyzed.

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