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Artificial Dye-Stuffs; Their Nature, Manufacture, and Uses
Albert R J Ramsey
No preview available - 2016
Artificial Dye-Stuffs: Their Nature, Manufacture, Uses...
Albert R. J. Ramsey
No preview available - 2013
acetic acid wool dye acridine alizarin amine amino amino-group aniline anthracene anthranilic acid anthraquinone artificial dye-stuffs azine azo-group bath benzene benzidine blue boiling c c H H carbon atoms caustic soda CH CH CH CH HC chemical coal-tar colouring matter component condensing consists containing COOH coupled crystalline derivatives diamine diazo compound diazotised disazo dye dissolved distillation disulphonic dyes wool employed eurhodine fabric fast fibres fraction green H CH H H C C HC CH HC HC heated hydrochloric acid hydrochloride hydrogen atoms hydroxyl indamine indigo indoxyl insoluble known large number latter manufacture Meldola's Blue mixture molecule mordants naphthalene nitration nitrobenzene obtained oxazine oxidation oxidising phenol phthalic picric acid precipitated primuline produced radical ring safranine salt shades silk SO3H sodium sulphide soluble steam structural formula substance sulphonic sulphuric acid temperature toluidine treated triphenylmethane violet washed whilst yellow zinc chloride
Page 24 - Acrylic acid and its esters may be viewed as derivatives of ethylene in which one of the hydrogen atoms has been replaced by a carboxyl or carboalkoxyl group.
Page 82 - These bodies are obtained by fusing with caustic alkalis the disulphonic acids which are obtained by sulphonation of anthraquinone. Commercial alizarin often contains one or both of these bodies, since the anthraquinone sulphonic acid used for the manufacture of alizarin often contains a certain amount of the disulphonic acids. Both these trioxyanthraquinones dye alumina-mordanted cotton red shades. A third trioxyanthraquinone, Purpurin...
Page 71 - Superheated steam from the pipe B, which is perforated by many holes, carries away the vapours into the large chamber D, where they are suddenly chilled by a spray of cold water from the rose H, causing the anthracene to precipitate in the finest state of division — a necessary condition for its easy conversion into anthraquinone by the action of oxidising agents. 5. Pitch. — The residue which remains in the tar still is Pitch and forms 50-55 per cent, of the tar. Much of it probably...
Page 87 - In recent years, a large number of experiments have been carried out on the isomorphism of various titanium bearing compounds, which have technological applications.
Page 158 - Immedial Bronze. A dyestuff prepared by fusing dinitro-cresol with polysulphides. Immedial Brown B. A brown sulphide dyestuff, giving yellowish-brown shades on cotton. It is manufactured by boiling 4-hydroxy-4-amino-diphenylamine with a solution of sodium hydroxide, and heating the product with sodium polysulphides. Immedial Cutch (Immedial Direct Blue). A dyestuff belonging to the same class as Immedial indone R. Immedial Green.
Page 82 - Bohn in 1890, that by the action of fuming sulphuric acid on anthraquinone, and anthraquinoline derivatives, new hydroxyl groups could be introduced, the reaction being better in the presence of boric acid.
Page 87 - This action results in the production of a soluble potassium salt of a blue hydro-derivative which, when dissolved in water with free access of air, is converted into the insoluble blue colouring matter with which fabrics are dyed as above described.
Page 14 - ... of little or no value from the point of view of the manufacturer of coal-tar dye-stuffs.