| 摘要 |
PCT No. PCT/DE79/00118 Sec. 371 Date May 29, 1980 Sec. 102(e) Date May 28, 1980 PCT Filed Sep. 28, 1979 PCT Pub. No. WO80/00705 PCT Pub. Date Apr. 17, 1980.The present invention relates to a process for the manufacture of foamed or non-foamed compositions, in which one or more organic or inorganic compounds containing at least two isocyanate groups is or are reacted in the presence of an alkaline aqueous solution, an alkaline aqueous suspension or an alkaline aqueous slurry of an alkali metal hydroxide and/or alkaline earth metal hydroxide, and of one or more catalysts and, optionally, inert fillers and/or, optionally, one or more volatile substances as blowing agents. According to the invention, a mixture of the compound or compounds containing the isocyanate groups and the alkali metal hydroxide or oxide and/or alkaline earth metal hydroxide or oxide is added to a mixture of water and catalyst. The oxide employed is preferably calcium oxide.
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