The coal tar colours of Farbwerke vorm. Meister Lucius & Brüning : Hoechst on Main : and their application in dyeing cotton and other vegetable fibres (1907)
Farbwerke vorm. Meister Lucius & Brüning · New York : H.A. Metz · leaf 130
rom a separate vessel. Thesoap solution contains 16 lbs. of resin and 22 lbs. caustic soda lumps in100 gallons. When all the air is expelled from the kier by steam, the valve is closedand the pump set in motion. For the first hour the goods are boiled under apressure of 2/3 atm., and then for… … Fig. 2. A similar kier is that constructed by Thies and Herzig. The principleof this system is to operate in a kier which is free from air. Cotton, treatedwith caustic soda in the presence of air, is liable to become tender owing tothe formation of oxy-cellulose, and for this reason, Horace…
Coal-tar colors · Dyes and dyeing
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