| 摘要 |
<p>PCT No. PCT/NL85/00008 Sec. 371 Date Dec. 2, 1985 Sec. 102(e) Date Dec. 2, 1985 PCT Filed Feb. 5, 1985 PCT Pub. No. WO85/03503 PCT Pub. Date Aug. 15, 1985.A method for the manufacture of insulating, porous, shaped articles, such as insulating plates, blocks and similar construction elements, wherein expanded plastic spheres are mixed with a binder, comprising a bituminous product, wherein at the end of that treatment an amount of granular or powdery material is added to the mixture until the mixture consist mainly of loose spheres again, subsequently cement is added and the mass thus obtained is subjected a to second compounding treatment with water being added, whereafter the mixture thus obtained is compress to the desired articles with between the first and second compounding action a proteinaceous foaming agent being. Added. The foaming agent is preferably added simultaneously with the water and in an amount of 0.4 to 5% by weight of the solid components of the final mixture.</p> |
