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Abstract

The recent developments confirm that HFC-365mfc is a very attractive blowing agent option, especially if we consider the various blends which have been developed to meet customers needs, for example non-flammability in a blend withHFC-134a or k-value improvement for hydrocarbon blown foams.

The non-flammable blend HFC-365mfc/134a is an option for the construction market, notably for systems, for spray and for pour-in-place foams and is a direct replacement for HCFC-141b; as this blend is a mixture, there is an important difference compared to HCFC-141b. The special behavior during storage and handling will be explained, including details regarding its safety status.We will report our experience for a safe application and about new results in foams.

For cost-drive markets, where explosively flammable options are acceptable, blends of HFC-365mfc with hydrocarbons are an attractive way to improve the k-value of foams. This paper will report the outstanding versatility of HFC-365mfc to provide the construction foam industry with a solution for all markets. The full commercialization of HFC-365mfc is scheduled for the end of the year 2002.

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References

1. P. Dournel et al., HFC-365mfc: Optimization of Formulations Based on HFC-365mfc and Blends Thereof, Polyurethanes EXPO ’99, Proceedings p. 227-227.

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9. Physikalisch Technische Bundesansalt, D-38023 Braunschweig, Germany, 1998.

HFC-365mfc Blends: Status and Development as Blowing Agent for High Performance Insulation Foams

Abstract

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