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Nature volume 160, page 50 (12 July 1947) | Download Citation



An 8-page pamphlet, ‘Positex’ Pamphlet No. 2, published by the British Rubber Development Board, 19 Fenchurch Street, E.G.3, and written by Dr. C. M. Blow, deals with the compounding, pigmenting and thickening of ‘Positex’, a form of rubber latex in which the particles carry a reversed or positive charge. There are also some notes on the removal of rubber from fibrous materials. The research work referred to in the pamphlet was carried out by the Wool Industries Research Association, in collaboration with the Technical Research and Development of New Uses Committee of the Rubber Growers' Association, and later with the British Rubber Producers' Research Association. The introductory pamphlet to the series gave a general account of the material and of its possible commercial applications. Licensees for ‘Positex’ in Great Britain are Messrs. Revertex, Ltd., King William Street House, Arthur Street, London, E.C.4, and Messrs. Veedip, Ltd., St. Helens Works, Slough.

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