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AssigneeNordiskafilt AB
InventorPer A. Lofgren
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A method of improving the soil-repellant properties of fabrics such as forming fabrics used in papermaking and cellulose machines, and filter cloths used in pa;permaking and cellulose industries and related industries. The improvement in accordance with the invention is obtained in that the synthetic material from which these fabrics are manufactured, is given improved hydrophilic properties, which in turn is achieved in that the synthetic starting material, prior to being extruded, is mixed with polymers which are made up of monomers having hydrolizable side groups. The fabric manufactured from the synthetic material is treated in a manner known per se with strong bases and or/acids to hydrolize the side groups.
In a method of manufacturing a fabric possessing soil-release properties which comprises;
In a forming fabric used in papermaking and cellulose machines, and in filter cloths used in the papermaking and cellulose industries and related industries, said fabric and cloths being made from a synthetic filament, the improvement comprising said synthetic filament being extruded from a mixture of polymers comprising polymers made up of monomers having hydrolizable side groups, which are hydrolized through treatment with strong bases.
In a forming fabric used in papermaking and cellulose machines, and in filter cloths used in the papermaking and cellulose industries and related industries, said fabric and cloths being made from a synthetic filament, the improvement comprising said synthetic filament being extruded from a mixture of polymers comprising polymers made up of monomers having hydrolizable side groups, which are hydrolized through treatment with strong acids.
Dependencies are inferred from the claim text.