| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-or no-toxic foaming agent providing a gas phase thermal conductivity foam (low k-factor) with safer on environment, a foamable composition, a foaming method and/or a foamed article.SOLUTION: There are provided a foaming agent containing one or ore C2 to C6 fluoroalkene, more preferably one or more C3 to C5 fluoroalkene, further more preferably one or more compound having a structure expressed by the formula I, a foamable composition, a foaming method and/or a foamed article. XCFR(I), where X is a C, C, C, Cor Cunsaturated, substituted or unsubstituted group, R is each independently Cl, F, Br, I or H and z is an integer of 1 to 3.SELECTED DRAWING: None |
