| abstract |
In a particular non-limiting aspect, the present invention relates to a storage stable polyol premix suitable for the preparation of polyurethane foam or polyisocyanurate foam, wherein the premix is at least 1,1,1, as a blowing agent. 4,4,4-Hexafluoro-2-butene (1336mzzm) and any one or more other additives and / or auxiliary blowing agents suitable for the preparation of polyurethane foams or polyisocyanurate foams Including. [Selection figure] None |