PREPOLYMER COMPOSITION

摘要

The present invention relates to a prepolymer composition comprising a polyester prepolymer, a vinyl-functional monomer having a vapour pressure which is less than styrene at 20° C and an accelerator. The prepolymer composition can be combined with a promoter which causes the prepolymer composition to cure. The cured composition forms a polymeric material which is capable of reinforcing surfaces, in particular the surfaces of mine tunnels including longwall coal mine roadways.