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USE OF LIQUID, COLD-HARDENING POLYURETHANE-FORMING COMPONENTS FOR CORROSION-RESISTANT, WEAR-PROTECTIVE COATINGS OF METAL AND PLASTIC SURFACES AND MOLDED BODIES, AND OF STONE AND CONCRETE
USE OF LIQUID, COLD-HARDENING POLYURETHANE-FORMING COMPONENTS FOR CORROSION-RESISTANT, WEAR-PROTECTIVE COATINGS OF METAL AND PLASTIC SURFACES AND MOLDED BODIES, AND OF STONE AND CONCRETE
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机译:液态,冷硬聚氨酯形成成分在金属,塑料表面和模制体以及石材和混凝土的耐腐蚀,耐磨涂层中的应用
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摘要
This invention relates to special combinations of polyurethane-urea-forming starting components which are suitable for corrosion-inhibiting wear prevention by casting, centrifugal casting or spraying. Said components 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 polyols as components (B).
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