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US 5,288,796 AGranted
Friable sealing compound for sealing joint boxes
AssigneeHenkel Kommanditgesellschaft auf Aktien
InventorsRainer Hoefer, Gerhard Stoll, Peter Daute, Roland Gruetzmacher
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Abstract
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 C.sub.6-22 fatty acids.
Claims20
A friable sealing compound system which comprises:
- a polyol component (A) and an diisocyanate component (B), wherein the polyol component (A) comprises a mixture of ricinene oil (I) and a ring opening reaction product (IIb) of an epoxidized vegetable oil with unsaturated or saturated short-chain linear or branched fatty acids.
A process for the production of a friable sealing compound which comprises:
- mixing a polyol component (A) and a diisocyanate component (B) and introducing the resulting mixture into a joint box surrounding spliced cable ends.
Dependencies are inferred from the claim text.