Coating ingredients for Screen Inks

MARNEX™ AH448 by Macroocean is a high molecular weight, saturated linear polyester resin. It shows excellent adhesive strength to steel, aluminum foil, PET or PVC films. Also, better adhesion and film strength can be achieved while cross-linked with melamine or blocked isocyanate curing agents. This grade offers heat seal properties, flexibility, good processibility and no sticky problem during transportation. It can be dissolved in ketone, ether or esters type of solvents, such as isophorone, acetone, MEK, CYC, DBE & EA. And it is usually dissolved with aromatic solvents, such as 100# & 150#. MARNEX™ AH448 is recommended for interior can coating and screen printing & gravure inks. It complies with FDA 175.300 (only for non-alcoholic goods) and 175.105. The shelf life of this product is 24 months.

MARNEX™ AH651 by Macroocean is a high molecular weight, saturated linear polyester resin. It shows excellent adhesive strength to steel and PET or PVC films. It offers heat seal properties, excellent pigment wetting and heat resistance. Also, offers better flexibility and adhesion is available while using with low Tg types of resin, such as MARNEX™ AL171 and MARNEX™ AL072. It can be dissolved in ketone, ether or esters type of solvents, such as isophorone, acetone, MEK, CYC, DBE & EA. And it is usually dissolved with aromatic solvents, such as 100# & 150#. MARNEX™ AH651 is used in coil coatings and gravure & screen printing inks. It complies with FDA 175.300 (only for non-alcoholic goods) and 175.105. The shelf life of this product is 24 months.

Photomer® 6008 distributed by DKSH is a high viscosity, proprietary, aliphatic urethane acrylate oligomer. It is an excellent film former and it contributes towards unique performance properties typical of urethane acrylates in UV/EB curable formulations.

• It exhibits fast cure speed, low odor, skin irritancy and low volatility.
• It is recommended for use in UV/EB curable electronic coatings including solder masks, plate resists, conformal coatings, component coatings and insulating varnishes.
• It is an excellent base resin for screen printing inks where it contributes to consistent application viscosity, better pattern resolution and uniform coating thickness during cure.
• It forms tough, durable films with excellent high temperature stability, superior solvent resistance, high surface hardness and good flexibility when cured.
• It is suitable for lithographic and direct roll methods in addition to screen printing presses.
• It provide high gloss, reactivity, adhesion, yellowing resistance & high build and protection to printed surfaces.
• It is recommended for overprint coatings (varnishes) for paper/paperboard, plastics, metals and wood.
• The shelf life of Photomer® 6008 is 12 months.
• It is available in Japan, Taiwan, South Korea and France.

EBECRYL® 3701 by allnex is a VOC-, solvent- and tin-free, modified bisphenol A epoxy diacrylate. It imparts flexibility and toughness to ultraviolet light (UV) or electron beam (EB) cured coatings and inks, while maintaining fast cure response and superior chemical resistance that are typical of standard epoxy acrylates.

• It provides high gloss, and good abrasion and impact resistance.
• Formulated UV/EB curable products containing EBECRYL® 3701 may be applied via direct or reverse roll, offset gravure, metering rod, slot die, knife-over-roll, air knife, curtain, immersion and spin coating methods.
• It is recommended for clear coatings for paper, wood and rigid plastic, as well as lithographic, screen and flexographic ink vehicles.

EBECRYL® 578 by allnex is an inert resin diluted in trimethylolpropane ethoxylate triacrylate (TMPEOTA). It possesses medium viscosity, and is VOC-, chloride- and solvent-free. It is developed for ultraviolet light (UV) or electron beam (EB) cured offset lithographic inks and coating.

• It provides good adhesion to various substrate such as metallic and plastic materials.
• It exhibits good pigment wetting and high reactivity and cure speed, and low color for clearcoat.
• EBECRYL® 578 is used in other applications such as screen, gravure, flexo and overprint varnish.
• It has a shelf life of 2 years.

CASAMID® 831 by Thomas Swan is a thermoplastic, non-reactive co-solvent polyamide resin. It offers good lay, while exhibiting limited gelation resistance and low tolerance to polar solvents.

• It delivers the highest performance in alcohol-hydrocarbon systems and also stabilizes pigment dispersion.
• It is used in flexible packaging applications such as gravure inks on OPP, PE, and PET films, providing fast drying, high adhesion, and strong color holdout.
• It offers excellent flow, anti-blocking resistance, exceptional ink transfer, strong film integrity, wetting, and solvent release for inks such as flexographic inks.
• CASAMID® 831 is used in publication and graphics applications, including inks for catalogues, labels, and decorative film prints, ensuring smooth laydown and sharp definition.
• It is also used in industrial coatings, including polyamide-modified nitrocellulose lacquers or phenolic blends, to enhance hardness and flexibility.
• It is used in overprint varnishes as topcoats for printed films, providing mechanical protection along with high gloss, and clarity in clear lacquer systems.
• It is compliant with FDA 175.320 guidelines.
• It has a shelf life of 12 months.

EBECRYL® 3608 by allnex is a fatty acid modified epoxy acrylate oligomer diluted with 15% of oligotriacrylate (OTA 480). It is characterized by low odor, light color, low irritancy, excellent pigment wetting properties and good cure response when cured by exposure to ultraviolet light (UV) or electron beam (EB). EBECRYL® 3608 is recommended for lithographic and screen ink and coatings, overprint varnishes, coatings on cardboard, chipboard, paper, rigid plastics and paper upgrading. Cured films exhibit high surface hardness, good solvent resistance and low residual odor. The shelf life of the grade is 2 years.

MARNEX™ AL171 by Macroocean is a high molecular weight, saturated linear polyester resin. It shows excellent adhesive strength to steel and PET or PVC films. And, better flexibility and adhesion is available while using with high Tg types of resin, such as MARNEX™ AH660 & MARNEX™ AH651. It can be dissolved in ketone, ether or esters type of solvents, such as isophorone, acetone, MEK, CYC, DBE & EA. And it is usually dissolved with aromatic solvents, such as 100# & 150#. MARNEX™ AL171 is used in coil coating and screen printing inks. It complies with FDA 175.300 (only for non-alcoholic goods) and FDA 175.105. The shelf life of this product is 24 months.

EBECRYL® 7100 by allnex is an acrylate-functional amine resin generally used as as a hydrogen donor or photo-activator. When used in formulations with a photoabstraction type photo-initiator (e.g. benzophenone), it has an accelerating effect on the UV cure speed. It is characterized by low viscosity, light color, improved stability and excellent pigment wetting. It offers lower residual odor, improved moisture resistance and high gloss. It also promotes adhesion to plastic substrates such as polyester, ABS, polycarbonate and polypropylene oxide. EBECRYL® 7100 is recommended for coatings for plastics, clear coatings for paper, overprint varnishes, screen ink vehicles, metal decorating inks, wood fillers and accelerating UV cure response.

VYLON® GK-360 distributed by DKSH is a copolyester with high molecular weight high glass-transition temperature (Tg). It exhibits good adhesion to PET & metal substrates, excellent weather resistance compared to other grades. It can be dissolved by general purpose organic solvents.

• It is recommended for can & coil coatings, screen printing inks, primers, coatings and heat seal lacquers for flexible food packaging.
• VYLON® GK-360 is compliant with FDA 175.105.
• It is available in France, United Kingdom, Spain, Portugal, Italy, Switzerland, Austria, Czech Republic, Slovakia, Hungary, Romania, Bulgaria, Greece, Slovenia, Croatia, Serbia/Monteneg, Israel, Germany, Belgium, Netherlands, Luxembourg, Poland, Estonia, Latvia, Lithuania, Denmark, Norway, Finland, Sweden, Iceland, Turkey, USA, Malaysia and China.