Coating ingredients for Gravure Inks

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.

EBECRYL® 367 by allnex is a low VOC, solvent-free polyester acrylate designed to be used at additive levels in UV/EB inks and coatings to improve adhesion onto plastic substrates.

• It is bisphenol A (BPA)-, tin- free grade and offers low viscosity and low acidity.
• It exhibits low migration, long pot life, low color for clearcoat, faster cycle time, lower energy consumption and low flammability.
• It is suitable for use in radiation curable coating compositions, white flexographic inks, paints and overprint varnishes.
• It may be applied by flexography, inkjet and gravure, direct and reverse roll.
• The typical addition level is 10% by weight or more.
• The shelf life of EBECRYL® 367 is 6 months.

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.

EBECRYL® 1900 by allnex is an UV/ ESH dual cure hard coat melamine adhesion promoter. It is developed for coating application on wood, paper and foil substates. It exhibits excellent scratch resistance, solvent resistance, high gloss, high surface hardness and good weathering resistance.

• It is characterized by medium-low viscosity and fast cure response with outstanding adhesion performance to melamine surfaces (HPL, CPL and similar processes).
• It is a low VOC, low color, non-yellowing, tin-, bisphenol A-, and solvent-free technology grade.
• It has reduced energy consumption and low residual formaldehyde content.
• Formulated UV/EB curable products containing EBECRYL® 1900 may be applied via brush, roller, direct or reverse roll, offset gravure, metering rod, slot die, knife over roll, air knife, curtain, immersion and spin coating methods, as well as screen printing.
• It is used in scratch and abrasion resistant coatings (hardcoats).
• It has a shelf life of 1 year.

EBECRYL® 600/30DP by allnex is a di-functional epoxy acrylate diluted with 30% of dipropyleneglycol diacrylate (DPGDA).This resin is characterized by its light color, low irritancy and fast cure response.

• EBECRYL® 600/30DP is recommended for screen inks, lithographic, gravure, direct or reverse roll, overprint varnishes, curtain coating, paper upgrading and coatings for wood, cardboard, chipboard and rigid plastics.
• UV/EB cured films exhibit high surface hardness and gloss, low residual odor and excellent solvent resistance.
• The shelf life of this grade is 2 years.

EBECRYL® 249 by allnex is a light color, high viscosity, aliphatic urethane methacrylate resin diluted with 25% trimethylolpropane trimethacrylate (TMPTMA). It provides good compatibility, long potlife, faster cycle time, lower energy consumption and low temperature curing. It may be applied by lithographic, screen, gravure, direct or reverse roll, and curtain coating methods.

• UV/EB cured products based on EBECRYL® 249 exhibit good exterior durability, good adhesion, excellent non-yellowing, and high scuff- and abrasion resistance.
• It is recommended for clear coatings for paper, flexible- and semi-rigid plastics.
• It is also used in silk screen inks, wood topcoats, and solder resists as a flexibilizer.

EBECRYL® 820 by allnex is a low viscosity polyester hexaacrylate having exceptional pigment wetting properties. This oligomer is a pigment grinding resin for all process colors and spot colors. It gives a fast cure response when formulated with other oligomers and cured via UV or electron beam (EB). It is developed to formulate UV/EB curable inks for flexography, lithography, gravure or potentially ink-jet and coatings for indirect food packaging. EBECRYL® 820 is ideal for the preparation of high pigment loading pastes using a triple roll mill or bead mill.

EBECRYL® 830 by allnex is a moderate viscosity, hexa-functional polyester hexaacrylate designed for fast-curing coatings and inks. This electron beam (EB)/ UV curable resin demonstrates hardness and good abrasion-, scratch- & solvent resistance. Formulated products containing EBECRYL® 830 may be applied by direct or reverse roll, offset gravure and spin coating methods. It is used in dry offset inks, paper upgrading as well as coatings for wood and plastics dry offset inks.

Photomer® 5429 distributed by DKSH is a low viscosity tetrafunctional polyester acrylate oligomer. It is used in UV/EB lithographic, gravure, screen, flexo ink- and multi-color printing applications.

• It is also used as spray, clear coatings for metal, paper, wood & plastics, and as a functional diluent for other high viscosity oligomers.
• It offers rapid cure, enhanced adhesion, reactivity, flexibility, hardness, scuff resistance, low viscosity and low color.
• Photomer® 5429 provides very good pigment wetting, flow and leveling characteristics due to low surface tension.
• The shelf life of the product is 12 months.
• It is available in Japan, Taiwan, South Korea and France.