abstract |
PCT No. PCT/EP92/02393 Sec. 371 Date Jun. 16, 1994 Sec. 102(e) Date Apr. 14, 1994 PCT Filed Oct. 19, 1992 PCT Pub. No. WO93/08142 PCT Pub. Date Apr. 29, 1993According to a process for preparing joint sealing foam, gypsum hydrate is suspended in water, the water slurry is intimately mixed with diphenylmethane diisocyanate prepolymers and/or toluene diisocyanate, is introduced into the joint and is allowed to set in. |