Paint Technology Research Articles

Comment

An interesting development in paint technology is the news of a paint that is virtually impossible to remove, which has been developed at Battelle's Pacific Northwest Laboratories in the USA.

The Evidential Value of Automobile Paint Chips

Abstract Automotive paint technology has been in a state of constant change over the past 15 years. Along with this change in technology has come a new challenge for the criminalist. With the courts relying more on physical evidence, a thorough and accurate explanation of the value of class evidence is necessary. It is the forensic scientist's responsibility not only to report his laboratory findings, but also to assess the probative meaning of those results.

Concise paint technology. Von J. Boxall und J. A. von Fraunhofer. Verlag: Paul elek ltd., London 1977. £ 4.95

Materials and CorrosionVolume 30, Issue 1 p. 89-89 Buchbesprechungen Concise paint technology. Von J. Boxall und J. A. von Fraunhofer. Verlag: Paul elek ltd., London 1977. £ 4.95 H. Th. Schröder, Search for more papers by this author H. Th. Schröder, Search for more papers by this author First published: January 1979 https://doi.org/10.1002/maco.19790300121AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume30, Issue1January 1979Pages 89-89 RelatedInformation

Coatings update: Pollution and the paint industry

An interesting article by Brown [Journal of Paint Technology, 47, January (1975) p.69] describes the technical impact of government pollution regulations with particular emphasis on the coatings industry. In his article, he discusses vinyl chloride, pointing out that as of January 1, 1975, the maximum allowable level of vinyl chloride monomer is 1 p.pm. averaged over any eight‐hour period and not more than 5 p.p.m. averaged over any 15‐minute period.

Coatings update Scientific studies 1977: Part 1

Coatings science represents one of the best examples available of the importance of an interdisciplinary approach. The organic chemist must provide polymers, solvents, and many of the additives used in paint formulation. The organic chemist also must provide some of the pigments. The inorganic chemist must also provide pigments and extenders. How these components come together to form a paint and how that paint may be successfully applied to a surface is the realm of the physical chemist. The metallurgist is very much involved in making receptive the metal surfaces onto which coatings are placed. The cellulose chemist similarly has a contribution to make where wooded substrates are involved. The physicist is involved in the colour considerations associated with coatings, and one would be remiss to omit from this list, which admittedly is not complete, the empiricist. Many of the observations on which paint technology is based have been made empirically and to this day are without complete scientific basis. It is for this reason if for no other that scientific studies in the paint industry are extremely important.

Conservation of Raw Materials and Energy in Paint Technology

SummaryA survey of current research programmes and activities as applied to conservation of energy and raw materials is given, with emphasis on two main areas: (a) analysis of energy and raw material flow in existing industrial painting installations, and (6) the environmental problems of painting and waste disposal.

Scientific Analyses of Minoan Fresco Samples from Knossos

The stratigraphical excavations of the British School at Athens of the Minoan settlement at Knossos on Crete following the Second World War have produced, among much else, many fragmentary remains of wall paintings in datable archaeological contexts of almost every period from Early Minoan I to Late Minoan IIIB (c.3000–1200 B.C.). This circumstance therefore presented an excellent opportunity to examine and analyse scientifically fresco samples spanning almost the entire Minoan epoch in the hope that it might be possible to fill in some of the gaps in present knowledge of Minoan wall painting technology. A cursory glance at the published reports of Aegean Bronze Age fresco analyses, especially prior to research since 1974, indicates the ‘gaps’ to be both wide and many: so few samples had been examined from any one site, or from any one period, or from paintings of any serious art-historical significance at all, that the scientific, statistical, and art-historical basis of this field of research seemed very dubiously established. The present study, which has grown from Dr. Mark Cameron's preparation of the publication of the new fresco material from these excavations, only became feasible when suitable laboratory facilities presented themselves.

Book reviews

“Advances in Electropainting 1973–74”. Bibliographies in Paint Technology No 23. Published by R. H. Chandler Ltd, Braintree, Essex, 63 pp, £8.00.

TOWARD A NEW VIEWPOINT FOR THE ARTIST

ABSTRACTCommunication between the artist and the scientific and technological community has been so tenuous during the past 50 years that the artist is not using knowledge and techniques which originate in that world. Conversely, the scientists and technicians have little insight into the problems of artists, making it difficult for the artist to obtain information he knows he needs. Some of the concepts and techniques valuable to artists are outlined in this paper with a special emphasis on those relating to color.Artists' pigments and vehicles are rapidly changing. Channels of information are needed to keep him current and knowledgable. The artist must use both additive and subtractive color simultaneously, since the visual world he utilizes in creating a picture consists largely of additive situations, but the mixture of his paints is a subtractive process. Metamerism is a problem for the artist as it is in color matching for industry. Color systems, although long known, have never been adequately utilized. The Munsell system is the most practical one at the present time for several reasons. Expanding the Munsell notation to include a relative intensity dimension for pigments would add to its usefulness. A color slide rule and a table of approximate chroma loss between pairs of additive colors are proposed to aid the artist in creating depth effects, illumination effects and transparency effects. The artist should be practical in obtaining and using the facts of paint technology, but flexible in the application of systematic color in order to keep his options open. The use of color systems and techniques, while of value to every artist, can be used at many levels for differing purposes. Such concepts must be tailored to the individual artist's needs.

Painted EPDM for Body Components

This paper describes the development of a factory acceptable paintable base EPDM compound and paint technology package meeting automotive company requirements for sight shields, end caps, stone def lec tors, etc.

Recent progress in powder coatings

The Federation of Societies for Paint Technology authorised Levinson to do a study on powder coating, electrocoating and radiation. In an article [Journal of Paint Technology, July (1972) p. 37] Levinson describes the advantages and disadvantages of powder coating, the technology involved, the economics of the various systems, the relationship to ecology, the manufacture of powders, the resins which are useful, and future trends.

Recent progress on urethane resins

An important development in the urethane coating area is the use of polyisocyanates, in combination with hydroxylated acrylic resins, to provide room‐temperature‐curing coatings. These new formulations, according to Klein and Elms [Journal of Paint Technology, 43, November (1971) p. 68], demonstrate lightfastness, good outdoor durability and solvent resistance when the acrylic resin is coreacted with an aliphatic polyisocyanate. The acrylic resins are copolymers which contain either the hydroxypropyl or hydroxybutyl ester of acrylic or methacrylic acid as one component. Hydroxypropyl acrylate acetoacetate extends the potlife of this two‐component coating. The authors describe work in which glass transition temperature is used as a means for selecting the correct hydroxylated acrylic resins for use in the system. If the glass transition temperature is between 22 and 54°C, a flexible coating with good impact resistance results, but the system requires baking. At a glass transition temperature of 54° and a hydroxyl value of 26, a composition results which dries rapidly at ambient temperatures and which provides good hardness and mar resistance. The coreactant in this instance is an aliphatic diisocyanate composition based on hexamethylene diisocyanate.

A Dictionary of Art Terms and Techniques

The author has defined over 3,200 terms encountered in the study and practice of the visual arts. It covers all art forms except architecture. Terms from techniques of painting, drawing, sculpture, ceramics, graphic arts, conservation and paint technology are listed in alphabetical order, and defined in a concise manner. Many illustrations accompany the text. A selected bibliography is provided for further reference. -- AATA

Infrared spectroscopy. Its use in the coatings Industry. Infrared Spectroscopy Committee of the Chicago Society for Paint Technology, Federation of Societies for Paint Technology, Philadelphia, 1969. X + 456 pp. $20.00 to members, $30.00 to nonmembers.

Infrared spectroscopy. Its use in the coatings Industry. Infrared Spectroscopy Committee of the Chicago Society for Paint Technology, Federation of Societies for Paint Technology, Philadelphia, 1969. <i>X</i> + 456 pp. $20.00 to members, $30.00 to nonmembers.

Awards presented for paint technology federation

Awards presented for paint technology federation

How to Succeed in Painting

The Application of Surface Coatings (Paint Technology Manuals, Part 4.) Pp. xiii + 345. (London: Chapman and Hall, Ltd., 1965. Published on behalf of the Oil and Colour Chemists' Association.) 35s. net. The Testing of Paints (Plant Technology Manuals, Part 5.) Pp. viii + 171. (London: Chapman and Hall, Ltd., 1965. Published on behalf of the Oil and Colour Chemists' Association.) 35s. net.

Modern Surface Coatings

Modern Surface Coatings A Textbook of the Chemistry and Technology of Paints, Varnishes, and Lacquers. By Paul Nylén, and Edward Sunderland. Pp. xiv + 750. (London and New York: Interscience Publishers, a Division of John Wiley and Sons, 1965.) 147s.

CLIMAX OPENS NEW LABORATORIES

THE Climax Molybdenum Company of Michigan, a wholly‐owned subsidiary of American Metal Climax, Inc., New York (London Office, The Climax Molybdenum Company, Ltd., 41/47 Strand W.C. 2 recently opened its new research laboratory at 1600 Huron Parkway, Ann Arbor, Michigan. Whilst our interests are solely concerned with lubrication, it should be remembered that Molybdenum plays a very big and important part in a number of engineering fields. The iron and steel industry of the United States used some 40 million pounds of molybdenum in 1964, out of a total of about 47 million pounds, and therefore the largest research emphasis is on both basic and applied research in the area of ferrous metallurgy. Research by Climax has concentrated in this field, but also has been extended to cover molybdenum and tungsten as base metals, as well as the technology and applications of molybdenum chemicals in agriculture, lubricants, catalysts and paint technology. And, of course, there is work in progress in connection with mineral recovery, exploratory research in new areas and various technical services.

1105. Poison in the paint: Paint Technology (1965). Artists' poisonous pigments. ibid29, 23. Lynott, D. P. (1964). Mercury-containing paints “safe”. Coatings16, 107

1105. Poison in the paint: Paint Technology (1965). Artists' poisonous pigments. ibid29, 23. Lynott, D. P. (1964). Mercury-containing paints “safe”. Coatings16, 107

Protective Pretreatments and Paints in the MOTOR INDUSTRY

In the motor industry, the fight against corrosion is an affair of about 70 years standing, but it is only in the past decade that real progress has been made, hastened by the necessity to provide adequate protection for lighter and less solid, though equally rigid constructions of body and/or chassis. There are many aspects of corrosion protection, but that of the preparation for, and application of, paint coatings is at present the most important. At some future time, the development and use of precoated materials may become equally or more important, but for the time being no slackening in the extension and improvement of paint technology can be afforded.