发明名称 |
Verfahren zum Faerben von Mischungen aus Cellulose- und Cellulose-21/2-Acetatfasern oder aus Cellulose- und Cellulose-Triacetatfasern oder aus Cellulose- und Polyacrylnitrilfasern |
摘要 |
1286027 Dyeing fibre mixtures FARBWERKE HOECHST AG 6 May 1970 [7 May 1969] 21727/70 Addition to 1187354 Heading D1B Mixtures of cellulose and cellulose triacetate or 2.5 acetate or of cellulose and polyacrylonitrile are dyed in a single bath with a reactive and a disperse dye by first treating in an alkaline dyebath at pH 9-12 containing both dyes at temperatures of 20-50‹C for the fibre blends containing 2.5- or tri-acetate and at 20-80‹C for blends containing polyacrylonitrile followed by a treatment at pH 3.5 to 6 at temperatures of 95-120‹C for blends containing triacetate or polyacrylonitrile and at 75-80‹C for blends containing 2.5-acetate fibres. Tone-in-tone and multicolour dyeings are obtained. |
申请公布号 |
DE1923124(A1) |
申请公布日期 |
1970.11.12 |
申请号 |
DE19691923124 |
申请日期 |
1969.05.07 |
申请人 |
FARBWERKE HOECHST AG |
发明人 |
HANS-ULRICH VON DER ELTZ,DIPL.-CHEM.DR.;JETHS,JOHANNES;SCHULZ,WOLFGANG |
分类号 |
D06P3/66;D06P3/82 |
主分类号 |
D06P3/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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