Modified cellulose.(Fibres)

Treating lignocellulosic materials with an aqueous solution of an amphoteric cellulose derivative containing an electrolyte can lead to the production of paper with a high wet strength or rayon fibres, according to a Swedish research organization.

Skogsindustrins Teknisha Forskningsinstitut (STFI) AB of Stockholm, Sweden, reveals its discovery in International Patent WO 2005/080678, where it says that cellulose fibres must be treated for at least 5 min at a minimum temperature of 50[degrees]C. Additionally, the Patent says that at least one of three possible conditions