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Isabelle Betremieux, Christophe Dumousseaux, Bruno Feret, Jean Jacques Flat: Hydrophobic cationic dispersions stabilized by low molecular weight maleimide copolymers, for paper sizing. Atofina, Cozen O&apos Connor P C, Michael B Fein, Brian L Belles, December 14, 2004: US06830657 (5 worldwide citation)

The invention concerns a method for obtaining an aqueous dispersion of hydrophobic polymers dispersed in the form of particles with mean diameter less than 100 nm stablized soley with a macromolecular surfactant based on low molecular weight styrene/maleic anhydride imide copolymer. The invention al ...


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Néstor Luna Marroquín, Orlando Severiano Pérez, Joel Gutiérrez Antonio, Rodrigo Pámanes Bringas, Gregorio José De Haene Rosique, Julio Gómez Cordón: Hydrophobic paper or cardboard with self-assembled nanoparticles and method for the production thereof. SIGMAQ ALIMENTOS DE C V, Michael W Goltry, Robert A Parsons, Parsons & Goltry, October 10, 2017: US09783930

A hydrophobic paper or cardboard that has self-assembled silicon-oxide nanoparticles with functional silane groups and fluorocarbonated compounds linked directly to cellulose fibers of at least one surfaces thereof, with a Cobb value of 8 to 25 g/m2 and water contact angles of 100° to 140°, which ca ...