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食品保鲜、空调、化工等各个领域离不开制冷,制冷中采用氟利昂为工质又十分普遍。如今研究表明氟利昂的氯原子一个可破坏一万分子臭氧,使平流层中臭氧浓度大幅度减少,使太阳产生紫外线到达地球表面会大大增加,对地球生态不利。人们皮肤癌、白内障患病率会上升,减少使用、限制氟氯烃很有紧迫感。日本旭硝子公司首先开发成功用量最大的R—113的代用品R—225ca、及R——225cb、R—225ca、R225cb和R—113性能相符,对臭氧层无破坏作用。R—113占日本氟氯烃产量45％、R—225ca、R—225cb使用对保护臭氧层有利。美、日、法等国已研究出磁力冰箱,这类冰箱将于1990年上市。和氟利昂12工作冰箱
Food preservation, air conditioning, chemical and other fields can not be separated from the refrigeration, the use of Freon as a refrigerant in the refrigeration is very common. Now research shows that freon’s chlorine atom destroys 10,000 molecules of ozone, greatly reducing ozone concentration in the stratosphere, making the sun’s ultraviolet rays reach the surface of the earth greatly increased, which is detrimental to the earth’s ecology. People with skin cancer, the prevalence of cataracts will increase, reduce the use of restrictions on HCFCs have a sense of urgency. Japan Asahi Glass first developed the most successful R-113 alternative R-225ca, and R-225cb, R-225ca, R225cb and R-113 performance, no damaging effect on the ozone layer. R-113 accounts for 45% of Japan’s HCFC production. The use of R-225ca and R-225cb is good for ozone layer protection. The United States, Japan, France and other countries have developed magnetic refrigerators, such refrigerators will be listed in 1990. And freon 12 working fridge