释义 |
polyurethane resin polyurethane resin[¦päl·ē′yu̇r·ə‚thān ′rez·ən] (organic chemistry) Any resin resulting from the reaction of diisocyanates (such as toluene diisocyanate) with a phenol, amine, or hydroxylic or carboxylic compound to produce a polymer with free isocyanate groups; used as protective coatings, potting or casting resins, adhesives, rubbers, and foams, and in paints, varnishes, and adhesives. |