STEAM RECEIVING AND STEAM PERMEATING FLAT SHAPES FROM NATURAL OR SYNTHETIC RUBBER OR FROM RUBBERY POLYMERS

摘要

This invention relates to an improvement in a sheet material comprising natural or synthetic rubber or a rubber-like polymer, which is capable of absorbing and transmitting water vapor and which contains a uniformly incorporated addition of polymer particles, the improvement that the addition comprises particles of at least one swellable modified polymer. The invention also relates to a process for the manufacture of the sheet material.