Friable sealing compound for sealing joint boxes

摘要

PCT No. PCT/EP91/00940 Sec. 371 Date Nov. 24, 1992 Sec. 102(e) Date Nov. 24, 1992 PCT Filed May 21, 1991 PCT Pub. No. WO91/19298 PCT Pub. Date Dec. 12, 1991.A friable sealing compound of a polyol component containing polyfunctional isocyanates, the polyol component being a mixture of ricinene oil and a predominantly hydroxyl-terminated polybutadiene having an average molecular weight of 1,500 to 4,500 and/or a ring opening product of an epoxidized vegetable oil with unsaturated or saturated short-chain linear or branched C6-22 fatty acids.