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Easier Coating Thickness Measurements
Comment on electronics and their implications for magnetic & other probe type thickness measurement devices i.e re-zeroing, roughness, calibration.
Easier paint stripping
New ultra-thin coating developed by Fraunhofer IFAM "Permacleanplas", plasma polymerised coating < 0.5µm has non-stick properties & allows easy removal of paint etc from racks & jigs, has so far lasted 2 years & 400 cleaning cycles. At present. the coating is suited to water-based & solvent-based paints and is now being developed for electrocoat & powdercoat fixtures. Numerous photos show examples such as grids or gratings, licensing procedure is mentioned.
Easily volatile chlorinated hydrocarbons (CKW)
Report on seminar at Technische Akademie Esslingen, 22-23.4.85, including abstracts of - J. Zimpel (WWA, Besigheim): CKW as problem materials for effluents; K.P. Lrcher (Chemisches Untersuchungslabor, Ludwigsburg): Sampling and analysis of organic chlorine compounds; H. Skalicky (Verband der Chemischen Industrie e.V., Frankfurt/M.): How does the chemical industry stand on the question of CKW?; K. Hofmann: Causes of damage and preventive measures from the technical and legal perspective; G. Burgbacher (TUV, Stuttgart): Behaviour of CKW against metallic materials and plastics; G. Teuscher (TUV, Stuttgart): Special requirements on plant engineering; J. Guthrlein (Wasserwirtschaftsamt, Besigheim): Application of ground air investigations for the determination of CKW contamination in soil and in ground water; J. Bauer (Wasserwirtschaftsamt Ellwangen): Treatment of CKW-containing ground water; W. Drechsler (Umweltbundesamt, Berlin): Environmentally acceptable treatment of CKW.
EAST Congress 1993 - a Report
Report summarises sessions on PVD coating of three-dimensional items, corrosion resistance of Zr & Ti nitrides, fatigue behaviour of plasma nitrided steels, defect location in Arc PVD coatings, laser coating, pulse plasma coating, electroless Ni(esp. codeposits with ptfe, alumina), chromium freepost-treatment of electroless Ni, hard chromium, & use of pulse plating & ultrasonic enhancement for this. Session on tribology with lecture on wear of cobalt or nickel phosphorus (electroless & electrolytic), composite coatings with manganese matrix (alumina, titania, silica), thermal coatings, electrodep'n of copper tin alloys, materials for implant prostheses, pulse plating of zinc & zinc nickel alloys (Gabe).
East Side Plating - company profile
Profile of US plating & powder coating job shop, one of the largest in the USA.
East-west conference on environmental technology. 2
Report on conference 1/2.12.88, Berlin, with summaries of: J. Frenzel (L. & C. Steinmller GmbH., Gummersbach): REA effluent treatment in power plants; M. Senoner (Humboldt-Universitt, Berlin/DDR): A portable chlorophylfluorometer for the diagnosis of plants; J. Zorn (Leybold AG., Hanau): Continuous chlorine emission measurement on photometer basis; A. Sydow (Zentraloinstitut fr Kynetik und Informationsprozesse, Akademie der Wissenschaften der DDR, Berlin): PEMU - a complex prognosis and decision making system for environmental protection; H.W. Lieber (Technische Fachhochschule Berlin): Industrial effluent treatment; T. Lanowy (Institute for Environmental Protection, Wroclaw, Poland): Complete assembled clarifying plant from Poland; H. Bomhard (Dyckerhoff & Widmann AG., Munich): The disposal problem - tasks and potential solutions; A. Moebius (Technische Universitt Dresden, DDR): Hydrogen anodes for metal winning, electroplating and recycling.
East-West conference on environmental technology. Part 1
Report on conference, Berlin 1/2.2.88, including B. Csikos-Nagy (Council of Industrial Policy, Budapest): East and west compared; J. Hock-Tessmann (Gesellschaft fr Schulung, Planung und Entwicklung, TUV Berlin, GfS): New generation of specialist for environmental protection; K. Papp (Minister for the Environment and Water Economy, Budapest): Environmental protection in Hungary; J.M. Arskij (State Committee for Planning of the USSR): Environmental protection in the USSR; L. Pinko (Energopomiar Katowice): Energy and environment in Poland; -. Ousko-Oberhoffer (Bunderswirtschaftskammer, Vienna): Progressive air purity technology in Austria.
Eastern Europe an alternative to China ?
Considers whether the former Soviet-dominated Comecon States are a viable alternative manufacturing location. The states are listed with GNP & population, GNP growth rate, per capita income and cost of labour statistics, indexed to Germany. The growth of the automotive industry there is noted, printed circuit board manufacture seems to be lagging.
Easy Chemical Analysis of a Sulphuric Acid Anodising Bath
Analysis is based on neutralisation titration but rather than use of burette & pipette, electronic scales are used, connected to a personal computer with instructions in graphic form. Phenolphthalein follows pH change as alkali is added dropwise to the sample of bath in the balance pan & a Baume hydrometer is used to measure dissolved acid conc'n. Free & Total acid are both determined. A similar method could be used for alkaline Al degreasing baths. Photos of screen displays shown but no details of computer hardware or software.
Easy emulsification plus improved chemical resistance
A new polyisocyanate paint hardener is described. The resultant coating shows outstanding chemical and water resistance.
Easy gas-flow-induced CVD synthesis and tunable electromagnetic characteristics of centipede-shaped iron/cementite/multiwalled carbon nanotube (Fe/Fe3C/MWCNT) heterostructures.
Discussion around stain-resistant paint. noting that washability does not always equate to cleanability. How to carry out stain resistance tests, e.g using scrub tests. Burnishing, in this context, results from people walking on painted floors or standing against painted walls, or close contact with shopping bags etc, akin to scuffing. Histo shows effects of tea, coffee, red wine, lipstick, ketchup, beetroot on high quality paints. Detailed discussion of paint formulation to minimise these problems.
Easy-cleaning surfaces by plasma deposition
Overview of DLC (Diamond-like carbon) coatings, and their preparation and application. Table compares properties of DLC, PTFE & steel and diamond in terms of hardness, friction, abrasive wear, contact angle, surface energy, and temperature stability maximum. The use of these coatings to prevent or minimise fouling on heaters or heat exchangers is discussed in some detail. Graph shows fouling curve of a supersaturated calcium sulphate solution on stainless steel under specified flow conditions over 350 hours. A second graph shows self-cleaning effect over 600 hours in a calcium sulphate solution where fouling resistance (in terms of heat transfer) is plotted versus time. Two different DLC coatings are compared in terms of their fouling resistance and a number of possible future applications are suggested. 9 refs
Coatings which either stay clean, or are dirt-repellant (soil) or easy to clean when soiled, are discussed. Three approaches are examined, all utilising the synergy between oleophobic properties of fluoropolymers, and wear resistance afforded by silicone type materials. Table lists contact angles (water & n-hexadecane) as sliding angle, advancing & receding angles & hysteresis. Relationship between contact angle and resistance to dirt pick-up is considered. Hysteresis is associated with cleanability. Photos show fingerprints (finger marking) before & after wiping and chemical strategies for reducing fingermarking are noted. Contact angles are listed for 4 fluorosilane hybrid coatings. Comment on anti-stain and anti-graffiti coatings and on approaches to hybrid coating formulation.
Easy-to-Clean Cooking Surface and Electric Household Appliance Comprising same.
A food cooking surface for a kitchen utensil or appliance is made up of a metal composite containing (by wt.) at least 50% of cobalt and at least 18% of chromium.