| http://www.w3.org/ns/prov#value | - Hence, the subject invention is a process for the one-shot preparation of cellular, microcellular and noncellular polyurethane-polyurea molded parts by reaction injection molding wherein polyisocyanates, polyols, aromatic diamines, and chain extenders are reacted in the presence of suitable catalysts, internal release agents, optional blowing agents, auxiliaries, and additives, the improvement com
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