Flame retardant accessorized, wood cut free and wood grinding papers containing, as well as methods for their exclamation

摘要

Flameproofed paper contains =12% of a cpd. of formula (I): H2NSO3H.H2NCnH2nNH2.HO3SNH2 (where n = 2 or 3) and opt. (when the paper contains mechanical pulp) 2-5% of hydroxylammonium sulphate or phosphate. The paper is pref. flameproofed by spraying with or immersion in an aqs. soln. contg. 10-50% (I) and then drying at 80-120%. The paper is not softened or discoloured by the treatment.