| 摘要 |
1483792 Transfer printing HEBERLEIN TEXTILDRUCK AG 1 Aug 1974 [3 Aug 1973 11 June 1974 18 June 1974] 34054/74 Heading D1B A process for the combined dyeing or printing and treatment of a textile fabric comprising cellulose fibres, comprises treating the fabric with an aqueous solution of a crosslinking agent for cellulose, pre-drying, transfer printing and simultaneously heating to fix the cross-linking agent and the dye, in the presence of at least one catalyst for the crosslinking reaction. Preferred cross-linking agents are dimethylol carbamates, dimethylol urea and cyclic dimethylol urea compounds, triazinones, methylol melamine compounds, watersoluble etherified methylol melamine compounds, and compounds containing aldehyde group(s). Preferred catalysts are magnesium chloride and nitrate, zinc chloride and nitrate, diammonium sulphate, and metal salts of polycarboxylic acids such as citric, tartaric, succinic and ethylenediaminetetraacetic acid. Preferred sublimable dyes contain hydroxy, amino, amide, sulpho or carboxy groups. The fabrics, particularly cotton and polyester/ cotton, may present improved dimensional stability, crease-resistance and/or press-free and durable press finishes. |
