| abstract |
(57) [Summary]nThe invention is made by assembling a formed fabric without the use of a binder, the formed fabric comprising cellulosic fibers containing at least one phosphorus-containing flame retardant compound. It relates to a flammable non-woven fabric. The formed fabric is preferably laid up using a water jet. The products according to the invention have good flame retardancy and good tear resistance with a low weight per unit surface area. The cellulosic fibers can be used on their own or mixed with other fibers, especially unmelted fibers that withstand high temperatures. Suitable flame retardant phosphorus-containing compounds are in particular pyrophosphoric acid, monothiophosphoric acid, dithiophosphoric acid, trithiophosphoric acid, triphosphoric acid, monothiotriphosphoric acid, dithiotriphosphoric acid, trithiotriphosphoric acid and / or pentathiotriphosphoric acid, or bis ( 2-oxo-1,3,2-dioxaphosphinanyl) -oxide, bis (2-thiono-1,3,2-dioxaphosphinanyl) oxide, or 2-oxo-1,3,2- It is recognized that it is of the group comprising dioxaphosphinanyl-2'-thiono-1 ', 3', 2'-dioxaphosphinanyl oxide esters, ester amides, and / or amides. Bis- (5,5-dimethyl-2-thiono-1,3,2-dioxa-phosphinanyl) oxide is particularly suitable. |