| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a safe nontoxic refrigerant composition for heating/hot water supplying operable under low pressure and having excellent performances and a small global warming coefficient without depleting the ozone layer by mixing dimethyl ether with carbon dioxide. <P>SOLUTION: The composition is formed by including the dimethyl ether in an amount of 1-10 mol% and the carbon dioxide in an amount of 99-90 mol%, respectively based on the total number of mol of the dimethyl ether and the carbon dioxide. <P>COPYRIGHT: (C)2007,JPO&INPIT |
