The tendency for replacement of CFC-11 and low density molded foam technologies is also discussed.
对CFC - 11替代、模塑泡沫低密度化等方面技术发展趋势加以讨论。
The basic principle of atmospheric ozone layer destruction hy polyurethane blowing agent CFC-11, and various way, developmental trend and economic feature of substitution for CFC-11 were reviewed.
简述了CFC - 11对大气臭氧层破坏的基本原理，介绍了聚氨酯cfc - 11替代的不同途径及发展趋势，评价了CFC - 11替代的经济特性。
CFC-11 is prohibited to be used, So old PU blowing system must be replaced. Because of many factors, it is not a simple process that PU system is selected in the refrigerator and refrigerator-cabinet.
由于禁止使用CFC - 11，所以原有的聚氨酯发泡系统必须被替代，但是对于冰箱和冷柜隔热用聚氨酯系统的选择涉及诸多因素，因此并不是一个简单的过程。
It contained two parts: one was the determination of Cl-content by Oxygen Bomb Combustion-Ion Chromatography while the material was burnt, another one was the determination of CFC-11 content by GC-MS.
聚氨酯硬泡中的CFC - 11测定包含两部分：一是通过氧弹燃烧-离子色谱法测定材料燃烧后的氯离子含量，另一部分是用气相色谱-质谱联用法测定材料燃烧后CFC - 11的含量。
Some HCFC blowing agents replacing CFC 11 for polyurethane foam are introduced in this paper.
简单地介绍了几种用于聚氨酯泡沫塑料的CFC替代物——HCFC 发泡剂的性能特点。
Some HCFC blowing agents replacing CFC 11 for polyurethane foam are introduced in this paper.
简单地介绍了几种用于聚氨酯泡沫塑料的CFC替代物——HCFC 发泡剂的性能特点。
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