Printing Ink Manual - Ebook download as PDF File .pdf) or read book online. R. H. Leach; R. J. Pierce; E. P. Hickman; M. J. Mackenzie; H. G. Smith. Book. 37 Citations · 51 Readers · 3 Reviews · k Downloads · Download book PDF. The first edition of the Printing Ink Manual was published by the Society of British DRM-free; Included format: PDF; ebooks can be used on all reading devices.
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The first € price and the £ and $ price are net prices, subject to local VAT. Prices indicated with * include VAT for books; the €(D) includes 7% for. Germany, the. Printing inks are widely used in publishing and packaging industry. .. printing ink formulation, printing ink manual, Printing Ink Manufacturing, printing ink. 1 The Printing Ink Manual. 2 The Printing Ink Manual FIFTH EDITION Edited by R.H. Leach, R.J. Pierce E.P. Hickman, M.J. Mackenzie and H.G. Smith. 3 Library.
The pigment is employed in amounts of from 10 to 60 percent by weight, based on the weight of the ink composition. The pigment is combined with the binder material by any convenient method. According to the present invention, the pigment is provided in form of a dispersion in nitrocellulose.
Dispersion of the pigment in nitrocellulose can be carried out, for example, by milling methods.
Examples are ball mill, sand mill, horizontal media mill, high-shear fluid flow mill, or the like. The printing inks according to the present invention comprise 20 to 50 wt. Additionally, the printing inks according to the present invention may comprise a solvent and other additives such as fillers, surfactants, varnishes, wax and the like. According to a preferred embodiment of the present invention, the printing ink comprises 1 to 10 wt. A preferred additive for use in the printing inks according to the present invention is a ketonic varnish formed by condensation of cyclohexanone and formaldehyde.
As additional solvent components forming the balance of the printing ink, alcohols such as ethanol, n-propanol or methoxypropanol, or esters such as ethyl acetate or n-propyl acetate may be used.
The printing ink according to the present invention excellently fulfils all the requirements imposed to a shrink sleeve printing ink, i. In particular, the printing ink according to the present invention can be printed by means of a flexographic and of a rotogravure process resulting in excellent print quality exhibits excellent adhesion and flexibility; in particular, the ink exhibits excellent adhesion before and after the shrinking of the film exhibits excellent tape adhesion exhibits excellent wrinkle adhesion exhibits excellent scratch resistance before and after the shrinking process exhibits no blocking of ink to ink as well as of ink to the reverse side of the film is capable of withstanding the conditions of a pasteurisation exhibits low levels of retained solvent after printing has a low odour level.
According to the present invention, the term shrink sleeve is to be understood to comprise shrink sleeve labels as well as roll-fed, wrap-around shrink labels in both unshrinked tubular form as well as in the final shrinked form. The printing ink according to the present invention shows a superior adhesion to the film- forming materials of shrink sleeves as compared to the conventional shrink sleeve printing inks on the basis of cellulose acetate propionate CAP and acrylic resin.
The films from which the shrink sleeves are formed are usually made of polyvinylchloride OVC , polyesters such as polyethylene terephthalate PET , glycol-modified polyesters such as polyethylene terephthalate glycol PETG , oriented polystyrene OPS , polypropylene, or modified polystyrene resins, such as the K resin from Chevron. The importance of OPS as film-forming material is growing, especially because of environmental concerns against the use of PVC.
The shrink sleeve printing ink according to the present invention shows a particularly excellent adhesion on OPS. For the first time, the present invention provides useful shrink sleeve printing inks on the basis of nitrocellulose. This is made possible by the use of a polyurethane binder resin, in particular of a polyurethane binder resin as described above.
The present invention also provides shrink sleeves comprising the above described shrink sleeve printing ink on at least part of its surface portion. Hereinafter, the process of manufacturing shrink sleeves is generally outlined by reference to Fig.
In a first step A , the film material for forming the shrink sleeves is provided. According to the present invention, OPS is preferred as material for forming shrink sleeves. The film material is chosen depending upon the item to which the shrink sleeve is to be applied. In particular, the film material is chosen in view of the shrink ratio required for a specific application. OPS is preferred because of its favourable shrinking characteristics. In a next step B , the film material is printed with the shrink sleeve printing ink according to the present invention.
Said printing can be performed by either the flexographic or the rotogravure process. According to the present invention, the flexographic process is performed. Both the flexographic and the rotogravure process are known to the man skilled in the art. For details of said processes, reference is made, for example, to R. Leach, The printing ink manual, 5th ed. It is preferred that the film material is reverse-printed. This means that the print is on the inside of the finished shrink sleeve. A reverse-printed design etc.
In order to provide good surface adhesion of the printing ink, the film material may be surface-treated immediately prior to the printing process. Such surface-treatment processes are known to the man skilled in the art. For example, the film material may be corona- treated. Thereafter, in a step C , the printed film is formed into a tube and wound onto a core. Hereby, the log edges of the film are seamed together. The seaming process can be carried out by any method conventionally used for that purpose in the art.
For example, seaming may be carried out using a nozzle applying heat to the film portions to be seamed together. Usually, seam areas of 6 to 10 mm are provided. However, also seamless tubing may be used for making shrink sleeves.
In this process, a tube is made by extrusion and applied to the item as described above. The dimensions of the tube to be formed have to set in view of the item to which the finished shrink sleeve is to be applied.
Table of contents
The film material must have a layflat LF of one half of the greatest circumference of the item around which the shrink sleeve is to be placed. LF is defined as the distance across the finished tube, not taking into account the material needed for the seam.
The actual dimension of the film should, however, exceed the LF in order to allow sliding of the tube over the item to which the finished shrink sleeve is to be applied. Generally, at least 4 mm of distance exceeding the LF are provided to allow sliding. In a next step D , the tube is unwound from the core and put over the item to which the shrink sleeve is to be applied.
The Printing Ink Manual
The tube is cut to the appropriate length by means of a cutting device known to the man skilled in the art. Alternatively, the cutting of the tube may be performed prior to putting the tube over the item.
In a next step E , the tube is shrunk so that the finished shrink sleeve exactly conforms to the shape of the item over which it has been placed. Shrinking of the tube may be carried out by any process commonly used for that purpose in the art.
Generally, shrinking is performed by applying heat from suitable heating means such as an oven. The finished product is an item carrying a shrink sleeve printed with the shrink sleeve printing ink according to the present invention, wherein said shrink sleeve conforms to the shape of said item. Warth, A. Youden, W. Physics Billmeyer, F. Birks, J.
Birren, F. Cadle, R.
Evans, R. Green, H. Granville, W. Hardy, A. Hardy, L.
Literature Guide for the Printing Ink Maker - Advances in Chemistry
Harrison, V. Hershemson, H. Judd, D. Keinath, G. Kuhn, W. Letouzey, V. Maerz, A. Potts, W. Van Wazer, J. Casey, J. Libby, C. Mosher, R. Horwitz, W. LaQue, F. Baker, E. Born, E. Buckles, R. Chatfield, H. Hostettler, R. Karsten, E. Kirk, R. Mellon, M. Perry, J. Radi, L. Louis, Mo. Farhe und Lack, Curt R. Flexography, Graphic Magazines, Inc. Graphics Technology, Mimram Books, Ltd.
Gravure Magazine, Graphic Magazines, Inc. Journal of Chromatography, Elsevier Publishing Co. Modern Plastics, Modern Plastics, Inc. Papeterie, Papeterie, 9 rue Lagrange, Paris 5 , France, monthly. Industrial Design, Whitney Publications, Inc.
By Gum, Reichold Chemicals, Inc. Chemist-Analyst, J. Baker Chemical Co. Ciba Review, Ciba, Ltd. Dye-Chemlines, American Cyanamid Co. Hercules Chemist, Hercules Powder Co. Pigment News, American Cyanamid Co. Laboratory, Fischer Scientific Co. Applied Science and Technology Index, H.
Wilson Co. Box , Durham, N. American Chemical Society, Sixteenth St. W, Washington, D. Bulletin, standards, reports, and conferences. Battelle Memorial Institute, King Ave. Gravure Research Institute, 22 Manhasset Ave.
Society of Photographic Scientists and Engineers, Inc. Measuring and testing Photographic chemistry, processes and materials mainly. Processes including exposure or use of image recorder Printing mainly equipment, but also includes processes Compositions, coating, or plastic mainly.
The European ink industry will find the fifth edition essential to all involved in and practicing printing ink. Students, raw material suppliers, schools and printers will find it an important reference book. I have found it to be the best available book today. The fifth edition builds on this unrivalled reputation and the Oil and Colour Chemists Association is pleased to endorse this book and recommend it to its members.
download eBook. download Hardcover. download Softcover. FAQ Policy. About this book The first edition of the Printing Ink Manual was published by the Society of British Printing Ink Manufacturers in to fill the need for an authorative textbook on printing technology, which would serve both as a training manual and a reliable reference book for everyday use.
Pages Printing processes Birkenshaw, Mr J. Colour and colour matching Brown, Mr J.Health, safety and the environment. Fig Polyamide resin as a cast film on KBr. A shrink sleeve or shrink label is a film of an oriented plastic sheet or tube. UV coatings cure under ultraviolet More information. Schwartz, A.
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