| 摘要 |
A process for the preparation of a dimensionally stable one-component polyurethane foam from a storage-stable mixture, under pressure, of a prepolymer based on polyols and containing isocyanate groups and an organic blowing agent, with or without additives, by releasing the pressure and allowing the mixture to react with the atmosphere and cure, wherein the foamable mixture, which contains from 0.1 to 15% by weight, based on the weight of the prepolymer containing isocyanate groups, of a blowing agent is introduced into the inner container of a two-compartment pressure pack, which pack contains a pressure medium in the outer container, and is discharged, when required, through a dispensing device.
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