Process for dyeing polypropylene and polyformaldehyde fibers containing zinc compounds with metallisable dyestuffs |
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| 申请号 | US23879062 | 申请日 | 1962-11-19 | 公开(公告)号 | US3186788A | 公开(公告)日 | 1965-06-01 |
| 申请人 | ICI LTD; | 发明人 | PERCIVAL MILLS WALTER; ALEXANDER O'NEILL WILLIAM; RAYMOND PRICE; | ||||
| 摘要 | |||||||
| 权利要求 | 1. A PROCESS FOR THE PRODUCTION OF COLOURED TEXTILE FIBRES SELECTED FROM THE CLASS CONSISTING OF STEREOREGULAR POLYPROPYLENE AND POLYFORMALDEHYDE FIBRES CONTAINING A ZINC COMPOUND WHICH COMPRISES DYEING SAID FIBRE WITH A METALLISABLE DYESTUFF WHICH IS DEVOID OF SULPHONIC ACID GROUPS WHILE YIELDING A WATER-INSOLUBLE ZINC COMPLEX AND TREATING SAID FIBRE WITH AN AQUEOUS SOLUTION OF A SEQUESTERING AGENT SELECTED FROM THE CLASS CONSISTING OF WATERSOLUBLE PYROPHOSPHATES, HEXAMETAPHOSPHATES, AMINOTRIACETATES AND ETHYLENEDIAMINETETRAACETATES. |
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| 说明书全文 | |||||||
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