| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a foam insulation formed of foam agent having low ozone depletion potential and low global warming potential, and alternative to chlorofluorocarbons or hydrochlorofluorocarbons having high ozone depletion potential. <P>SOLUTION: The foam includes: pvarious kinds of polymers such as polystyrene, polyethylene, polypropylene; polyethylene terephthalate, polyurethane, et cetera; and one or more kinds of co-blowing agent containing 5-99 wt.% of 1,3,3,3-tetrafluoropropene and 4-6C hydrocarbon. <P>COPYRIGHT: (C)2013,JPO&INPIT |
