PROCESS FOR DYEING TEXTILE MATERIALS
申请(专利)号： ZA19760001114
专利号： ZA761114B 主分类号： D06B
申请权利人： HOECHST AG 公开国代码： ZA 优先权国家： DE
摘 要：
Textile wound packages containing
natural and/or synthetic fibres are dyed at temperatures above 100 DEG C
according to the exhaust method. For this purpose, the wound packages are
inserted into a dyeing container. Before dyeing, deaeration and heating of the wound packages is carried out with the aid of hot steam having approximately the dyeing temperature. Immediately following, the deaerated hot wound packages are brought into contact with the dyeing liquor, which has previously been heated to approximately dyeing temperature in a starting container and, relative to the pressure of the hot steam atmosphere in a dyeing container, has been placed under elevated pressure. The so-called flooding-in technique is used here. During the course of this, the dyeing liquor penetrates into the wound packages from outside and from inside at the same time. During the further dyeing treatment up to its conclusion, dyeing is carried out with partial flooding of the dyeing container, the circulation of the dyeing liquor through the wound
申请日： 1976-02-25 公开公告日： 1977-02-23
分类号： D06B
发明设计人： REUTHER A;
VON DER ELTZ H 申请国代码： ZA
优先权： 19750227 DE
2508475
摘 要 附 图：
packages taking place exclusively from the inside outwards. The partial flooding of the dyeing container causes an
increase in the dyeing liquor recirculation rate and requires a low recirculating pump efficiency. The uniformity of dyeing is good. 主权项：
权 利 要 求 说 明 书
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PROCESS FOR DYEING TEXTILE MATERIALS
