DEVELOPMENT OF CHLOROFLUOROCARBON-FREE INSULATION FOAMED BY CARBON DIOXIDE FOR SUSTAINABLE PROGRESS OF SOCIETY TO PROTECT THE GLOBAL ENVIRONMENT AND CASES OF THE LATEST APPLICATION

摘要

For many years, rigid Polyurethane Foam (PUF) foamed by chlorofluorocarbon (CFC) has been used as insulation for machinery that handles cryogenic fluids. The CFC has a large ozone depletion potential, and an enormous global warming potential. Based on the international restriction of them, the development of CFC-free insulation has been globally recognized as a pressing task. Tokyo Gas has developed and put into practical use the world's first PUF foamed with carbon dioxide. It can be applied to equipment used for any cryogenic fluid (LNG, LN2, LOX, LH2, etc) and therefore can contribute to the sustainable progress of society to protect the global environment.