Shoe press belt and method for producing a shoe press belt

Abstract

The object of the invention is to provide a shoe press belt which has an excellent strength while the variation in strength among its parts being suppressed, and to provide a method for producing such a shoe press belt. Provided is a shoe press belt for use in a papermaking machine comprising at least one resin layer, wherein the resin layer comprises a polyurethane resin formed by curing an urethane prepolymer having an isocyanate group with a curing agent having an active hydrogen group; the urethane prepolymer is obtained by reacting a polyisocyanate compound comprising 4,4′-methylene bis(phenylisocyanate) with a polyol compound comprising polytetramethylene ether glycol; and the curing agent comprises (a) polycarbonate diol(s).

Dependencies are inferred from the claim text.