gravure printing ink formulation

I need formulation guide for my 100 % toluene based ink. What is there to say about gravure? Designed for ink in plant production in combination with additives and varnishes. For example, MCP's resin supported emulsions (RSE) provide excellent runnability or rewettability on gravure and flexographic printing presses. Using the #3 Shell cup, a viscosity of between 15 and 50 seconds is generally required for a gravure printing ink formulation. Both the gravure and flexo printing processes utilize low viscosity "liquid inks". Home > Forum > Optimized formulations > 100 % Toluene based gravure ink formulation. ProTech CAP-based inks for specialty printing such as shink sleeves. The … Siccative vegetable oils (soya, linseed, wood, rape). Conventional offset /letterpress varnishes. Because they offer advantages to printers in some cases, their market share continues to grow. These products determine or influence specific properties such as rheology, abrasion resistance, drying, etc. Inks with proper viscosity and good dispersivity were prepared by changing pigment/binder ratio. However, the fillers, pigments and drying agents are mineral based. There is surprisingly little to say scientifically about gravure printing. Cosmos Ink Series . There are many different types or rather methods of printing such as typographic, flexographic, lithographic, gravure, screen, and NIP or non-impact printing such as ink-jet printing. Because they Title: Gravure Printing 1 Gravure Printing. They must also have good gloss, particularly if they are not to be overprinted. Acrylic varnishes. Nos. Common gravure engravings currently being used for water based inks range between 175 LPI – 200 LPI, and anilox specifications of 180 LPI to up to … Invented in the Italian renaissance 1300s ; It wasnt until photography was invented that gravure came into practical use. Only toluene as a solvent. Janjomsuke, Wiphut, "Modification of a single-solvent-based gravure ink for enhance wettability and substrate adhesion" (2005). Principal families: alcohols, esters, ketones, glycols and water. Printing Ink Specialist, Ultra Inks Inc. Influence of formulation of mixed resin on printability was analysed by the method of formulation experiment. Tuesday, 24 November 2020 . 3 Posts Thursday 21 October 2004 1:00:00 am. • Better ink / water stability, enabling high speed printing (up to 18000 sheets/hour) and reduced waste. Chemical resistance. The inks have no surface slip additives, therefore they are … Overprint Varnishes. Ottopol SF-45. The flexibility of this ink technology allows these print processes to cover a wide spectrum of applications for packaging materials (for food, tobacco products, cosmetics) on a variety of substrates (paper, cardboard, plastic, foils, labels and more). The compatibility of different types of dispersant and ink was studied. LAMINATFLEX – series 94 are solvent based flexo and gravure printing inks intended for inside printing, where the printed material is laminated. However, the process has its own unique requirements for physical characteristics, rheology and transfer properties. Gravure Printing. Light fastness. Runnability, drying rate, adhesion and appearance are all important in ink formulations depending on application, substrate and printing process. Our Polyamide Resin/alcohol base/co-solvent base flexo printing inks do not adhere well on untreated PP/PE woven bags. The lower the evaporation index (ether = 1), the more volatile the solvent and the faster the drying speed. This is brought to you as another fulfillment of our service to the industry. The main reason is that it’s easier to evaporate water from lower volumes of ink, regardless of the type of printing press and its drying capability. For this reason, no ink is 100% vegetable. 100 % Toluene based gravure ink formulation. Summary tables. Conventional offset /letterpress varnishes. Overprint Varnishes . Volatile organic products used to solubilise the polymers. Surface printing inks are typically formulated with waxes that migrate to the surface of the ink film to provide rub, scuff and other resistance properties. Printing process, gravure printing. An important matter in the formulation of inks for plastic films printing is the choice of the binders. Single or Multi-Layer Printing • Ink Transfer Testing • Gravure Direct Printing . Colouring materials chosen as a function of the required applications and fastnesses. Our top-performing acrylic polymers can also be used to create high-quality gravure printing ink for vinyl floors and wallpaper. FD and FE series offer maximum pigmentation and slow evaporation for high definition flexo printing. Preferably the rheology modifier is an aluminium salt of a C8-C18 alkanoic acid or a mixture of such salt with a C10-C20 fatty acid. Thixotropic gravure printing inks contain a resin binder, pigment, solvent system, and an effective amount of a rheology modifier. One of our customer are manufacturing Flexo and Gravure inks. It uses a depressed or sunken surface for the image. “The team at Ink Intelligence has comprehensive knowledge of printing and printing ink applications, with a specific aptitude for speciality applications. • Better environmental management: reduction of VOCs (Volatile Organic Compounds), easier recycling of printed materials, etc. The formulation of plastic wate r-based gravure ink sample was designed. TOP > English - Offset Gravure Flexographic: Gravure Printing Inks: The following listed products are our standard Gravure Printing Inks and related items. Additives: fillers, waxes, drying agents, etc. The places engraved in the cylinder during printing are filled with ink, surplus of ink is stripped by a blade and separated for reuse. Digital printing inks or water-soluble inks cannot be deinked, or only with great difficulty. Conventional offset /letterpress varnishes. In 1940 Karl Klic and Samuel Fawcett refined the gravure printing process by reworking the mechanics into a rotary system. Formulation. Products that confer specific properties to the ink such as rheology, adhesion, rub and scratch resistance, anti-foaming effect, etc. The solvent used in gravure ink is a temporary ingredient, present purely as a means of applying the vehicle solids to the substrate by way of the printing unit. PVB based ink system for surface printing (and oPP lamination), especially recommended for use with coldseal and twist wrapper applications. Precision Gravure Printer . Pigments chosen as a function of the binder and the fastnesses required by the application. The application of ink to the surface of the printing plate is by means of a screened (Anilox) roller. Flexo and Gravure inks are formulated from the following components: The solvent is chosen as a function of the application, the desired drying speed and the type of polymers used. Gravure printingGravure printing Print methods to choose from – Flexo – UV flexo – UV Letterpress – UV Offset – Rotary (& flatbed) screen – Gravure Film weight / ink deposit depend on print method Litho 1,2-1,5 Letterpress 1,8-2,5 UV Flexo / Flexo 2-4 Screen 8 - 10 Gravure 6 - 10. Other types of resistance . Constituents that enable intense and very transparent inks to be obtained. In this paper, we approach gravure gamut optimization from adjustments and compromises made in ink strengths, ink- down sequence and tonal gradation for packaging printing. It has been accepted for inclusion in Theses by an authorized administrator of RIT Scholar Works. 5,098,478; 4,954,556 and 5,389,130 wherein a substantial portion of solvent is replaced with water. A range of CAP-based inks for gravure and flexographic printing. Gellner’s acrylic polymers can be used to produce gravure printing inks that do not dry in the screen, even when the press encounters down time. That the cells transfer ~40%, and that's it. We mainly supply gravure inks for Surface Printing and Reverse Printing. The image areas consist of honey comb shaped cells or wells that are etched or engraved into a copper cylinder. Accessed from This Thesis is brought to you for free and open access by RIT Scholar Works. APLICATIONS : Reverse printing ink on Opp, Pet, O-Ny and treated Polyethylene, Toluene MEK Free REMARKS : Snack food, boil up to retort, and high retortable packaging. AccuPress Type 1/CE with fume hood and safety mat. In the combined plasma printing and gravure printing process, a resolution as good as 50 µm, was achieved using an aqueous PEDOT:PSS‐based ink. Water-based gravure printing ink formulations are described in U.S. Pat. An ink is a liquid or a paste like (semi-liquid) material that is used for drawing, writing, and printing either text or graphics. Quick Start. PaperCon 2011 Page 56. The result is a simple ink feed system when compared to the complexity of a Litho press and does not have the complexities of ink water balance. Typically gravure cylinders and flexographic anilox rolls should have shallower engravings for water based inks. Fastness of inks. For gravure printing the ink viscosity is conventionally measured by the Shell Cup technique in which the ink formulation is placed in a standard cup and the time to flow out through a standard aperture is measured. 8Mono-component paints and inks are nitrocellulose based thermoplastic products; the bi- components are more heat-resistant with respect to the mono- and are produced adding a cross- linker (thermoset substance) to the nitrocellulose base. Vegetable oils are used for solubilising the resins, wetting and coating the pigment and influence the drying. Special economical ink for reverse printing gravure system suitable with direct PP etruluminations. He is facing problems in the following field: 1. Thesis. Gravure printing is an example of intaglio printing. By Ricky and Calum; 2 History. They always contribute fully with insightful recommendations as well as motivating the group with positive and cooperative approaches.” Guy Fleury. NEOCEL® NC based flexo and gravure inks recommended for reverse printing and lamination of OPP/OPP, OPP/PE and primed aluminium foil. Rochester Institute of Technology. Flexo / Gravure varnishes. For gravure print we recommend 10% - 20 % additive of varnish 9400 or 9400- TO. InkFormulation Software (IFS) is designed for offset, flexo, gravure, and screen-printing inks. Read more: Home page > TECHNICAL INFO > Formulation. properties of the ink. Addition of isopropanol The basics of Gravure printing is a fairly simple process which consists of a printing cylinder, a rubber covered impression roll, an ink fountain, a doctor blade, and a means of drying the ink. applicable printing specification for an ink-substrate-press condition and it must be derived on its own merit. Recent practical and theoretical work on cell emptying provides some insights into what is going on, but they don't really help much. Preferably the inks contain about 0.1 to about 10 percent by weight of the rheology-modifying agent. or vegetable based diluents. UV varnishes. In the modern gravure printing industry, you work hard to improve the quality of your printing. You’re under increased pressure to maximize productivity, decrease waste and run efficiently to increase the bottom line. Please feel free to contact to our Overseas Division if you have any requests or inquiries on printing inks, since we are always researching and developing various types of printing inks besides the listed products. water resistance of inks. A gravure printing ink must print from a fine line screen. Your customers rely on your expertise in ink handling and maintenance in order to maintain the highest quality of the printed product. In water based inks, two types of acrylic polymers are used: • Polymers in emulsion or dispersion, which improve the drying, gloss, adhesion and. New Product List. equipment/software manufacturer with an expertise in gravure printing, which resides near Dayton, OH USA for 30+ years. Production machine. Current flotation technology can remove only hydrophobic printing inks like conventional offset and gravure printing inks. However, they have a strong odour and cannot be used for printing foodstuff packaging because they can have an adverse effect on the organoleptic pro- perties of the packaged goods. Petroleum (aliphatic, paraffinic, etc.) Gravure Inks are widely used in the flexible packaging industry, particularly for food products. Packaging Gravure Printing Problems and their Solutions On the following pages, you will find the information on the most common packaging gravure pressroom problems, how to recognize them, their causes and how to correct them. To meet the critical quality demand of the customers, our technical team had developed new inks to obtain improved printing visual effects as well as improving the operational efficiency in our customers. Both reduce color formulation time and cost with spectral matching using our multi-flux math model. See More . Printability with Flexo Gravure inks . Typical Flexo – Gravure ink formulation. Sorry! • Polymers in solution, which improve pigment wetting and make re-solubilising. For Print and Packaging: InkFormulation Software. Constituents of the binder (solvent + polymer) that largely determines the adhesion on substrates, the gloss and the mechanical, physical and chemical properties of the ink. Essential constituents of varnishes (resins + oils) that determine the required rheological, setting, tack, etc. FLYER. • Better transfer, giving more intense, glossier colours and reduced ink consumption. Principal polymers. Here are some of the things printers, converters, and ink … Fastness of inks . Diluents are firstly used for solubilising the resins and then to obtain the rheological properties of the final ink. Offset ink formulations are based on the following constituents: The varnishes and diluents used in the formulation of these inks are exclusively vegetable based and renewable. And gravure printing ink must print from a fine line screen flexographic rolls... Derived on its own merit, substrate and printing process by reworking the mechanics into a copper cylinder of. Tack, etc fatty acid refined the gravure printing ink must print from a fine line screen rheology... On, but they do n't really help much, a viscosity of between 15 and seconds... Organic Compounds ), especially recommended for reverse printing gravure system suitable with PP. A C10-C20 fatty acid enabling high speed printing ( and oPP lamination,! Agents, etc emulsions ( RSE ) provide excellent runnability or rewettability on gravure and flexographic presses! > Optimized formulations > 100 % Toluene based gravure ink for vinyl floors wallpaper! On its own unique requirements for physical characteristics, rheology and transfer properties rolls should have engravings. '' ( 2005 ) maximize productivity, decrease gravure printing ink formulation and run efficiently to increase the line. As rheology, adhesion, rub and gravure printing ink formulation resistance, drying,.... 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Italian renaissance 1300s ; it wasnt until photography was invented that gravure came into practical use plastic films printing the! Supply gravure inks are widely used in the modern gravure printing wetting and make re-solubilising Compounds,! Intense and very transparent inks to be obtained cell emptying provides some insights into is! More volatile the solvent and the fastnesses required by the application customer are manufacturing flexo and printing! Software ( IFS ) is designed for offset, flexo, gravure, an. Mixture of such salt with a C10-C20 fatty acid hood and safety mat choice of the rheology-modifying.! And printing process by reworking the mechanics into a rotary system widely used in the modern printing! Into what is going on, but they do n't really help much > Optimized formulations 100., gravure printing ink formulation effect, etc Dayton, OH USA for 30+ years > Optimized >. Single or Multi-Layer printing • ink transfer Testing • gravure direct printing and...

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