The paper reviews research and development progresses on non ozone depleting refrigerator chemicals,and points out many advantages of dimethyl ether(DME).

• 综述了无臭氧层破坏的冰箱化学品的研究开发进展,着重指出二甲醚具有多方面的优点,是一种极有发展前景的致冷剂和发泡剂。