| 摘要 |
A blowing agent composition is provided comprising: (a) zinc formate, and (b) a compound having the formula MmX, wherein M is sodium or potassium; X is chlorine, bromine, iodine, CO3, HCO3, SO4, SO3, S2O3, NO2, SCN, OCN, BO2, HBO3, HPO4, PO4 or H2PO4, and m is an integer representing the valence of X; or a compound having the formula Mn1 Rp, wherein M1 is alkali metal, calcium, lead or zinc, R is organic mono- or polybasic acid having 1-18 carbon atoms and from 0 to 2 nitrogen atoms, or a benzenesulfonyl or toluenesulfonyl radical; and n and p are integers representing the valences of R and M1, respectively or whole fractions thereof.
|
