Non-Woven Colour-Catcher Fabric and Method for its Preparation

• Main Authors: LUONI MARCO, LI BASSI GIUSEPPE
• Format: Patent
• Language: English
• Published: 28.05.2009
• Subjects: ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; CANDLES; CHEMISTRY; DETERGENT COMPOSITIONS; DETERGENTS; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM; DYEING OR PRINTING TEXTILES; FATTY ACIDS THEREFROM; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LAUNDERING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; PERFORMING OPERATIONS; RECOVERY OF GLYCEROL; RESIN SOAPS; SOAP OR SOAP-MAKING; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TEXTILES; TRANSPORTING; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS; USE OF SINGLE SUBSTANCES AS DETERGENTS

Procedure for preparing a non-woven colour-catcher fabric comprising the following steps: a) a cationic dye sequestering agent is applied on a non-woven fabric; b) the non-woven fabric is dried at a temperature comprised between 120 and 180° C.; c) a printing paste comprising an anionic polyacrylic dispersant or a sulfonated aromatic-formaldehyde condensation product having dispersing properties is applied on the non-woven fabric by printing technique.