| abstract |
The present invention relates to a chemically modified kraft paper fiber comprising cellulose that has been catalytically oxidized and treated with carboxylated acid, and has a carboxyl group content of more than 6 meq/100g, an aldehyde content of less than 1 meq/100g and a viscosity of less than 5.5 mPa·s . The pulp cellulose, has increased carboxyl content, resulting in improved antimicrobial, anti-yellowing and absorption properties. |