Patent ID: 6296736
Filing Date: 2001-10-02
Classification: D21B,D21C,D21F,D21H,Y02W

Abstract:
A method of making sanitary paper products from recycled newspapers, comprising:pulping newspapers in water with agitation to produce a pulp slurry, the pulp from the newspapers having an average fines content of greater than about 40% and a Canadian Standard Freeness of less than about 250;washing the pulp to remove the contaminants, whereby the fines content is reduced to less than about 35% and the Canadian Standard Freeness is increased to more than about 300;introducing the treated pulp without said contaminants at a papermaking consistency into the headbox of a paper making machine;adding from about 0.025% to about 1.5% of a surfactant system to the treated pulp to increase the softness of sanitary paper products produced therefrom, the treated pulp retaining said surfactant system; andutilizing the treated pulp in a paper making process to produce sanitary paper products.