C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/138, 117/195
C08G 18/10 (2006.01) C08G 18/40 (2006.01) C08G 18/63 (2006.01) C08G 18/65 (2006.01) C08G 18/76 (2006.01) C09D 175/04 (2006.01)
Patent
CA 1211885
Mo-2434 LeA 20,981 THE USE OF LIQUID, COLD-HARDENING POLYURETHANE- UREA-FORMING COMPONENTS FOR CORROSION-INHIBITING, WEAR-RESISTANT COATINGS ON METAL AND PLASTICS SURFACES AND MOLDINGS AND ON STONE AND CONCRETE ABSTRACT OF THE DISCLOSURE This invention relates to special combinations of polyurethane-urea-forming starting components which provide for the solvent-free processing of components that are liquid at room temperature, show very rapid gelation, are cold-hardening and are eminently suitable for corrosion-inhibiting wear prevention by casting, centrifugal casting or spraying by means of multicompo- nent metering units onto large, even vertical metal surfaces and moldings and for lining the interior of tubes and also for the elastic coating of plastics, foams and natural stone and of screed surfaces, concrete, steel-reinforced concrete and masonry. The components in question are liquid, relatively low viscosity mixtures of polymer-containing or polyadduct- containing polypropylene oxide polyols and/or ethylene oxide-containing polypropylene oxide polyols having a small content of special, low-melting, readily soluble aromatic diamines and tertiary amine catalysts as component (A) which are reacted at room temperature with liquid polyisocyanates based on diphenyl methane diisocyanate or their NCO-prepolymers with polyether polyo's as component (B).
416754
Ruprecht Hans-Dieter
Trummelmeyer Gerhard
Aktiengesellschaft Bayer
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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