| 摘要 |
<p>A process for making foam material is disclosed which comprises impregnating comminuted particles of a previously formed foam material with a first foaming reaction solution 6 (e.g. one made up of a polyol, a catalyst and additives) and with a second foaming reaction solution 8 (e.g. one containing diisocyanate). The comminuted particles are also subjected to a rolling pressure when they are being impregnated with the first foaming reaction solution. The impregnated particles are transferred to a forming area 9 provided with steam 10 serving to accelerate the foaming reaction of the impregnated particles. The foam material so produced is provided with excellent properties, in particular good tensile strength and air permeability. <IMAGE></p> |
