论文部分内容阅读
ＡｌｌｉｅｄＳｉｇｎａｌ公司生产的ＨＦＣ2 4 5ｆａ是一种零臭氧层破坏系数的新型化学发泡剂。该公司新的生产装置建在美国洛山矶Ｇｅｉｓｍａｒ。从 2 0 0 3年 1月 1日起 ,ＨＣＦＣ1 4 1ｂ的使用将受到严格控制 ,计划用ＨＦＣ2 4 5ｆａ替代ＨＣＦＣ1 4 1ｂ作发泡剂。Allied
HFC2 4 5fa produced by AlliedSignal is a new chemical foaming agent with a zero ozone depletion coefficient. The company’s new production facility was built in Geismar, Los Angeles. From January 1st 2003, the use of HCFC1 41b will be strictly controlled and HCFC1345 is planned to replace HCFC1341b as a blowing agent. Allied