| abstract |
PCT No. PCT/EP97/02362 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed May 7, 1997 PCT Pub. No. WO97/43334 PCT Pub. Date Nov. 20, 1997The present invention relates to expandable polystyrene beads containing blowing agent which are coated with from 0.01 to 0.5% by weight of a hydrophobicizing agent which melts above 25 DEG C. and has a mean particle size of less than 100 mu m. The beads can be converted into foam moldings having reduced water absorption capacity. |