초록 ▼

Polyurethane elastomers having nearly Newtonian flow characteristics and having reduced thixotropy are provided by admixing with a pigmented polyol a minor amount of a sodium alkyl sulfate. The polyurethanes hereof are employed as surface coatings for athletic arenas, such as gymnasiums and the like

Polyurethane elastomers having nearly Newtonian flow characteristics and having reduced thixotropy are provided by admixing with a pigmented polyol a minor amount of a sodium alkyl sulfate. The polyurethanes hereof are employed as surface coatings for athletic arenas, such as gymnasiums and the like.

대표청구항 ▼

In an essentially solvent-free pigmented polyurethane elastomer composition of the type comprising on organic polyisocyanate, an active hydrogen-containing compound, a pigment and a catalyst, the improvement which comprises: a minor amount of a sodium alkyl sulfate, the sulfate reducing the thixotro

In an essentially solvent-free pigmented polyurethane elastomer composition of the type comprising on organic polyisocyanate, an active hydrogen-containing compound, a pigment and a catalyst, the improvement which comprises: a minor amount of a sodium alkyl sulfate, the sulfate reducing the thixotropy and viscosity of the elastomer composition.