One-component adhesive and/or sealing mass which is stable...

Details One-component adhesive and/or sealing mass which is stable... One-component adhesive and/or sealing mass which is stable...

C - Chemistry, Metallurgy

08

G

402/132, 400/740

C08G 18/10 (2006.01) C09J 175/04 (2006.01)

Patent

CA 1333315

An a one-component adhesive and/or sealing mass which is stable and pumpable at temperatures up to 30° C contains - at least one prepolymer on the basis of a polyurethane, which contains from 0.1 to 15 percent by weight, referred to the prepolymer, of free, reactive isocyanate groups, and - at least one with heat activatable hardener. Thereby the stoichiometric ratio between said prepolymer and said hardener is chosen in such a way that only a partial cross-linkage is possible during heating said mass to temperatures from 60° C to 180° C, and that a product is obtained having from high viscous to plastic characteristics. The inventive masses may be used for bonding and/or sealing of one or more materials of the same or different origin to a composite.

536089

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