氟里昂发泡剂替代技术的新进展

RECENT PROGRESS FOR SUBSTITUTES OF FREON BLOWING AGENT

介绍了各种氟里昂替代品的品种和特性 ,对CFC、HCFC、HFC和HC类发泡剂的特性进行了对比和讨论 ,认为HCFC 141b和HCFC 2 2 / 142b是替代CFC物质的过渡性替代发泡剂 ,环戊烷和HFC 2 4 5fa是最终长期替代CFC发泡剂的最有希望替代品。

This article introduces varieties and Characteristic of all kinds freon substitutes such as,CFC,HCFC,HFC and HC.HCFC 141b and HCFC-22/142b are substitutes of CFC blowing agent for transition duration,and cyclopentane and HFC 245fa may be used as substitutes of CFC blowing agent for a long time.\;