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24 PIGMENT AND RESIN TECHNOLOGY NOVEMBER 1978 upgrade service to European cus fluids in the reboiler makes the Cyrel washout solvent tomers in the area of chemicals, column an ideal unit for the Hopkins & Williams, P.O. dyes and pigments. Karl L. separation of all thermally sensi Box 1, Romford, RM1 1HA, can Neynaber, maanger of the depart tive materials. supply the washout solvent re ment responsible for marketing quired for Du-Pont's Cyrel flexo- A vital part of the provis these products in Du Pont de graphic printing process. The ion of custom processing lies in Nemours International S.A., said solvent, used to remove the un- the knowledge which the proces that a range of pigments and aro reacted photopolymer after the sor has of the market for recove matic products manufactured by plate has been exposed to ultra red chemicals. In most cases the the parent company, E.I. du Pont violet light, is available in 5 gallon customer requires the pure distil de Nemours & Co. Inc. of Wil and 45 gallon drums, code 3594. led product to be returned, mington, Del. in the USA will 50. although recovered products can from October be marketed in be marketed by Carless if required Closure of ICI Glasgow works Europe and sold by its subsidiar by the customer. ICI Paints Divn. has given ies in European countries. The employees two years notice of its range includes "Ti-Pure" titanium ICI acquire electrocoating licence intention to close its Glasgow dioxyde (TiO ) for use in paints, Imperial Chemical Indus factory. The 60 employees affec lacquers, paper, ink, textiles and tries Ltd, have acquired a licence ted have known for some years plastics. Others are "Cinquesia" from PPG Industries Inc of that the works would eventually quinacridones and "Krolor" pig Pittsburg, USA, for their cathodic have to close. It was built towards ment colours for the paint and electrocoat paint technology. The the end of the last century and is plastics industries. new agreement will enable ICI to unsuitable for further modernisa offer a complete paint system for tion or expansion. pretreatment and electropaint £350,000 refurbishment Customers in Scotland and which is claimed to be the most Carless Chemicals, a whol the north of England will continue advanced in the world. ly owned subsidiary of Carless, to be supplied through the distri Capel & Leonard Ltd, is spending PPG products will be bution network, including the over £350,000 in refurbishing an available from ICI and its associa depot at East Kilbride. There is existing column shell to provide a tes in the UK, Continental sufficient capacity to meet all distillation capacity of 40,000 Western Europe and other terri likely future production require tonnes per year and a separation tories. They will complement ments for some time ahead. efficiency of over 35 theoretical ICI's expertise in both anodic and ICI Paints Divn. has also stages. cathodic electrocoating and wide decided to withdraw from the experience in metal pretreatment Situated on Teesside the marine paint market. There has on which the overall performance plant has been designed to handle been concern for some time of the complete paint system the separation and recovery of a about the unsatisfactory perfor depends. wide range of organic mixtures mance of this part of its activities, such as glycol, glycol ethers, ICI already has practical which reflects the depressed hydrocarbons, alcohols, esters, experience in operating electro- state of the shipping and ship ketones etc. The column reboiler coat tanks using ion selective building industries generally. With will be heated with a transfer membrane control. This principle no prospect of improvement in fluid capable of operating at up to of tank pH control, which was this sector in the foreseeable 300°C and the column head pres developed by ICI, is equally future, It has been decided to sure, makes the plant well suited applicable t o both the anodic and concentrate all resources on for the distillation of ethylene cathodic systems. PPG are already sectors of the paint business with glycols and the residues obtained licensees of this ICI technology. better potential. from the processing of glycols. The new agreement will Du Pont bid to upgrade service The facility to operate the strengthen still further the links Du Point has announced a column under vacuum with a which already exist between ICI number of moves calculated to short residence time for process and PPG.
Pigment & Resin Technology – Emerald Publishing
Published: Nov 1, 1978
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