| 摘要 |
Polyurethane spray composition in two parts: (A) polyurethane prepolymer (B) polyurethane curative containing, as a viscosity reducing agent, one or more of the following: monoethers of ethylene glycol, monoethers of diethylene glycol, their acetates, the thioethers, their oxides or cyclic thioether oxides, having boiling points above 100 DEG C and capable of dissolving the polyurethane curative. The composition may be a two-part system. A method of making a cured polyurethane composition by spraying the above composition is also described as is the cured polyurethane. |
