Beschichtetes Pergamentpapier und Verfahren zu seiner Herstellung

摘要

Paper which has been sulphurised with H2SO4 is treated to improve its properties further: (i) initially by applying water or aqueous solution to the side(s). Also claimed are: (a) the application of pigmented coat(s) to one side of a sheet of sulphurised paper to facilitate subsequent metallisation and/or printing; and (b) paper treated by these processes.