Water based inks manufacturer midwest coatings inc. Printing ink formulations request pdf researchgate. The ink is controlled in the flexographic printing process by the ink system. Water based inks are undergoing further research and development due to the desire to decrease the dependence on solvent based flexographic inks, which contribute to air pollution. Other key end user segments for printing inks include books and stationery. Lets take a closer look at these additives and their role in a water based ink. Polymers in solution, which improve pigment wetting and make resolubilising. A powerful heat resistant waterbased flexo ink designed for printing on direct thermal printable self adhesive labels. Analysis and optimization of water based printing ink formulations for polyethylene films. Formulation and evaluation of resistive inks for applications.
Since its beginning the concept has been refined many times. Polymers in emulsion or dispersion, which improve the drying, gloss, adhesion and water resistance of inks. Waterbased inks have in turn introduced new classes of surfactants and polymers into ink chemistry. Because of the tremendous evolution brought about by. Pdf waterbased ink formulations containing wax, surfactant, and defoamer additives were prepared and printed on polyethylene film. Each type of ink has its advantages and disadvantages, therefore the type of ink used in printing is determined by factors such as price, speed, and the use of the packaging food, cleaning, or shopping bags. Eckart, kromacorp, pemla, rieger, polytex environmental. New emulsions resin water suspensions enable new water based inks to be formulated, providing alternative solutions to solvent based inks and thereby limiting problems linked to the environment emissions of vocs and the safety of users toxicity, flammability, etc. Vehicle ac0073 using commercial acrylic water based ink formulation. Waterbased inks are undergoing further research and development due to the desire to decrease the dependence on solventbased flexographic inks, which contribute to air pollution. Solvent based gravure, flexographic water based flexographic, gravure radiation cured uveb flexo, gravure. In a waterbased ink, many of the ink components contribute to the ink ph. For most solvent based inks, the volatile organic compounds vocs level is typically 100 percent.
Characterisation of waterbased flexographic inks and their. Ice water crinkle adhesion solventbased and waterbased inks. The industry has found that in publication gravure where the substrate is always paper stock, water based inks have not been capable of printing commercially acceptable quality productions runs of 2,000 to 3,000 feet per minute. Analysis and optimization of waterbased printing ink formulations. The inks used for inkjet printing include waterbased ink, oilbased ink, solventbased ink nonaqueous and solid ink. Types of inks covered include flexors, gravures, heatsets, offsets, quicksets, sheetfeds, lithographics, screenprocess, and letterpress inks. The publication gravure industry has had little success with waterbased inks buonicore. A one component, heat resistant waterbased flexo ink for direct. May 30, 2016 how to supercharge your water based flexo inks by jeanine graat, apex international global environmental awareness is driving the printing industry to consider other ink systems in order to print more ecological packaging. Polymers in solution, which improve pigment wetting and make resolubilising and cleaning easier. Colorants, resins, and solvents constitute about 95% of a typical ink formulation.
Oct 30, 2019 the publication gravure industry has had little success with water based inks buonicore. The study of ink pigment dispersion parameters lokendra pal and dr. There main types of flexographic ink are water based, solvent and uv curable. The latest evolutions in the formulation of flexo gravure inks mainly concern water based inks. Water based coatings our coatings offers the broadest range of clear coatings designed to perform on your specific application equipment. A high performance solvent based flexo ink for self adhesive labels. I have been involved in water based ink evaluation since its unclear begin nings in the early 1970s. The press efficiency relates back to the ease of drying solventbased ink versus waterbased ink. These books present about 300 uptodate printing ink and overprint varnish formulations from manufacturers each.
For example, the common acrylic resins used in waterbased inks are acidic. Waterbased inks environmentally friendly soy technology inks. Safety data sheet water based flexo ink 1 of 5 msds009 revision 3 revision date 06242015 1. Formulation and evaluation of resistive inks for applications in printed electronics sughosh satish bhore, m. This is a first attempt at a technical book for me and fortunately the goals i have set have been achieved. Waterbased inks environmentally friendly soy technology. Switching from a solvent based ink to a water based ink cannot be done overnight, because of the different transferring capabilities.
How to convert your solventbased ink to waterbased ink. In a typical ink formula, the ink is composed of a colorant, resin binder, solvent, and additives. Opp films are a good barrier against water, they provide absolutely no barrier whatsoever to many constituent components of printing inks, such as mineral oils or some photoinitiators. Worldwide environmental legislation limiting the use of solvent based ink systems of the preceding decades has resulted in the development of a substitute and more environmentally safe alternative utilizing water base technologies. Jun 03, 2016 the press efficiency relates back to the ease of drying solvent based ink versus water based ink. A universal waterbased flexo ink for labels and plastic substrates. These books present about 300 uptodate printing ink and overprint varnish formulations from. The members of the steering and technical committees are listed in the front of this book. Aug 07, 2014 a description of ph, how it is measured, its impact on viscosity of water based ink about this series. Louis, mo that has been in business for over 20 years. Exploring the pros and cons of water and solventbased inks. Fleming department of paper engineering, chemical engineering and imaging western michigan university abstract the purpose of this study was to investigate the influence of rotation speed and milling time on the pigment dispersion quality. Instead of solventbased inks, varnishes and adhesives, waterbased products or. Soyflex waterbased inks are the beginning of a greener and cleaner tomorrow in the flexographic printing industry.
A high performance waterbased flexo ink for self adhesive labels. In the case of plastics, the degree of migration that takes place is dependent on the migratable substances, the structure of the plastic layer and the temperature. The ability for flexo presses to dry the solvent based ink with conventional ovens is well known at even the highest press speeds. Manufacturing of printing inks with formulation flexographic. Design for the environment program economics, exposure, and technology division office of pollution prevention and toxics 7404 u. What the infographic above also shows is a direct comparison between the formulation of a solvent ink versus the formulation of a waterbased ink, and the reason this is significant is that you can see just. Lets take a closer look at these additives and their role in a waterbased ink. The basics of flexible packaging printing flexography rotogravure presented by. Soy based flexographic ink for linerboard printing scholarworks. How to supercharge your waterbased flexo inks by jeanine graat, apex international global environmental awareness is driving the printing industry to consider other ink systems in order to print more ecological packaging. Hydrotek waterbased inks are formulated for narrowweb flexo printing onto various substrates for the production of selfadhesive labels. The type of resin used is used quite often to describe the type of ink, and provides the basis of many discussions and expression of opinion as to what is the best ink type for letterpress printers to use. Substances of low molecular weight from the ink and coating films, as well as from the substrate, can pass through the substrate and to the food inside. The resins also serve to provide an adherence to the material upon which the inks are printed.
I have been involved in water based ink evaluation since its. My name is terence kenneth and i began my career in the ink industry in 1984 as a chemist, in a small town in the south of england. Then you can start reading kindle books on your smartphone, tablet, or computer. We are a water based inks manufacturer and supplier that specializes in all wwa pinnacle system water based inks and paper plate coatings. Rheological additive selection for printing inks was presented at the eurocoat inkmakers forum during the 2nd european congress on printing inks, held at nuremberg, germany april 910, 2003. The study of ink pigment dispersion parameters lokendra pal western michigan university paul d. Minimize unnecessary water addition by the operator and from the water left in the ink system after washup. Characterisation of waterbased flexographic inks and. News flexo vehicle f news flexo vehicle for water based black inks starting point formulation phthalo gs corrugated ink barium lithol corrugated ink prepostmetallization primer for paper blue ink red for polyethylene high gloss water ink for paper and paper board screen printing ink vehicle for general purpose fluorescent screen ink. The intent of these four flexogurukul, 2014 talks on ink, plates, tape and anilox rolls is to.
The vehicles used in the inks are water based styreneacrylic resins, either in solution or emulsion, and the difference in. Intended use manufacture of temperature indicating devices company lcr hallcrest. Water based inkjet formulations kao corporation, s. Each formulation includes amounts and descriptions of raw materials, key properties, suggested modifications, and the data source. Developed in partnership with the following associations. The interface between ink and substrate is critical, and underlying factors are examined. A waterbased ink is an ink that has either the pigments or the dyes in a colloidal suspension in a solvent, with the solvent being water.
Principal polymers in water based inks, two types of acrylic polymers are used. In most printing processes, and many of the ink formulations the solvent is. The ink system contains an ink pump, anilox roll and either a fountain roll system or doctor blade system. This has resulted in an enormous research and development effort by a multiplicity of related industries. Influence of formulation and properties of waterbased flexographic inks on. In solvent based inks, the various families of polymers cited above are used singly or as mixtures, depending on the application and the final properties required of the print.
Waterbased flexographic inks, however, have a longer drying time on less absorbent substrates and a low degree of gloss. The vehicles used in the inks are waterbased styreneacrylic resins, either in solution or emulsion, and the difference in. The industry has found that in publication gravure where the substrate is always paper stock, waterbased inks have not been capable of printing commercially acceptable quality productions runs of 2,000 to 3,000 feet per minute. Basf offers products for flexographic, gravure and digital applications with ink formulations adapted to your needs for resistance properties, gloss. Ink foaming of waterbased inks technology coaching. This is in conformity with the definitions in the voc directive. Water has to be combined with solvents in order to dissolve the kinds of resins that provide good adhesion on packaging films. For most solventbased inks, the volatile organic compounds vocs level is typically 100 percent. Solvent based gravure, flexographic water based flexographic, gravure. Global environmental awareness is driving the printing industry to consider other ink systems in order to print more ecological packaging.
Use an ink formulation that is less sensitive to foaming e. Waterbased ink formulations containing wax, surfactant, and defoamer additives were. The printing surface substrate type dictates what ink type it is advisable to use. Because of the tremendous evolution brought about by these changing technologies it has been extremely difficult for the water base ink chemist to keep abreast of the latest innovations. Over the last 30 years, ive worked hard testing different raw materials, processes and technologies to create the right formulations for industry leaders such as. Keep up with emerging materials which ease formulation of water based flexo, opv varnish, and gravure inks for plastic substrates. In recent years, and in order to reduce the environmental impact of the inks, there has been a tendency towards the use of waterbased inks. Sel avci is currently employed by elementis specialties corporation as a global technical manager, ink applications. All though the main solvent in water based inks is water, there can also be other cosolvents present. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle device required.
Flexographic inksflexographic inks dirty printingdot bridging appearance of a dirty, grainy effect as a result of two or more process dots. Excellent printability and pressstability characteristics. A description of ph, how it is measured, its impact on viscosity of waterbased ink about this series. Printing ink and overprint varnish formulations by flick, ernest w. Waterbased printing inks are one of the most environmentally friendly products on the market today. Particles that protrude above film surfaces can lead to a reduction in gloss beyond acceptable levels. Flexo hydrocure uv the uv series of flexo inks is specially developed for label printing on multiple substrates. Water based flexographic inks, however, have a longer drying time on less absorbent substrates and a low degree of gloss. This book provides a working knowledge of the chemistry and technology of water base ink systems for chemists and engineers in the industry. Get published explore journals books about my account. News flexo vehicle f news flexo vehicle for waterbased black inks starting point formulation phthalo gs corrugated ink barium lithol corrugated ink prepostmetallization primer for paper blue ink red for polyethylene high gloss water ink for paper and paper board screen printing ink vehicle for general purpose fluorescent screen ink.
Waterbased printing inks have been successfully used in different printing. Home narrow web inks inks by chemistry water based narrow web inks. Minimize the agitation of the ink caused by the system used for the ink circulation. Environmental pollution reduction by using vocfree water. Waterbased gravure ink formulation contains pigment 617%, binding agents 1030%, solvents 112%, and water 4566% 1. Water based inks are often praised as the green solution. The ability for flexo presses to dry the solventbased ink with conventional ovens is well known at even the highest press speeds. Western michigan university, 20 in the 21st century, it has been shown that printing methodologies can be used to print electrically functional devices on a variety of substrates. Our experience and knowledge of polymer formulation and coating machinery ensures that you benefit from the latest innovative developments, which can be practically applied by your coating equipment. Chemistry and technology of water based inks springerlink. Environmental pollution reduction by using vocfree waterbased gravure inks and drying them with a new drying system based on dielectric heating. A water based ink is an ink that has either the pigments or the dyes in a colloidal suspension in a solvent, with the solvent being water. A commercial formulation software, based on multiflux theory and cie lab color space, was used to formulate ink recipes that contained the base inks. Flexography often abbreviated to flexo is a form of printing process which utilizes a flexible relief plate.
All though the main solvent in waterbased inks is water, there can also be other cosolvents present. Flexo and packaging gravure includes the technically very similar processes of solventbased laminating and varnishing. It is essentially a modern version of letterpress, evolved with high speed rotary functionality, which can be used for printing on almost any type of substrate, including plastic, metallic films, cellophane, and paper. An obvious disadvantage of using water as a medium is the increased surface tension of aqueous inks, which makes wetting substrates such as paper or plastics more difficult. Find out why we are trusted around the world by ink manufacturers, printers and ink specialists.
Water based flexo inks for narrow web in emea flintgroup. Preserving ink gloss is a crucial variable to consider when choosing a kaolin product to use in an ink formulation. Lists 319 uptodate water based, and low solvent, printing ink and related formulations. Each formulation includes amounts and descriptions of raw materials, key. Enter your mobile number or email address below and well send you a link to download the free kindle app. Product and company identification product name thermochromic water based flexo ink additional names none description temperature sensitive color change ink. What the infographic above also shows is a direct comparison between the formulation of a solvent ink versus the formulation of a water based ink, and the reason this is significant is that you can see just how much solvent is replaced by switching to water based ink. Keep up with emerging materials which ease formulation of water based flexo, opv. Printing ink and overprint varnish formulations, second.
477 881 1113 944 582 46 1502 1067 464 1503 704 325 527 977 147 937 1278 852 902 152 1393 480 1053 1155 715 330 135 735 1179