Coating ingredients for Paper & Board Coatings

EBECRYL® 436 by allnex is a reactive chlorinated polyester resin diluted 40% with the reactive diluent trimethylolpropane triacrylate (TMPTA). It exhibits good lithographic behavior, pigment wetting properties and fast cure response in ultraviolet light (UV) curable coatings and inks. Cured films of EBECRYL® 436 display good adhesion to metals, plastics and paper. It is recommended for wet lithographic inks for paper, plastics and metals, overprint varnishes and post-formable inks.

BENTONE® EW by Elementis acts as a rheological additive for water-borne paint systems. It is a highly beneficiated, easily dispersible powdered smectite clay. It provides thermostable aqueous phase viscosity control and thixotropy.

• It enhances texturing & stippling effects and improves workability/application.
• It is easy to use and does not impair throwing power in electrostatic systems.
• It offers fast water release, emulsion stabilization, and good stability in electrostatic coating baths.
• It prevents hard settlement of pigments/fillers, reduces syneresis and minimizes floating/flooding of pigments.
• BENTONE® EW is used in corrosion-inhibitive primers, latex paints, electrodeposition coatings, foundry paints, paper coatings and polishes & cleaners.
• Recommended usage level is 0.1-1%.
• It has a shelf life of 4 years.

Dispelair® CF 246 distributed by DKSH is a foam control agent and excellent defoamer for water-based coatings. It is effective over a wide range of pH values and temperatures, works efficiently at low concentrations, and helps improve process productivity.

• It is used in low gloss paints and paper coatings.
• A typical addition level is 0.1-0.5% in total depending on the severity of the foam problem.
• Dispelair® CF 246 has a shelf life of 1 year.
• It is available in Canada.

VISCOPOL™ 6191 by allnex is a low-foaming, fast-drying and anionic styrene acrylic copolymer emulsion. It exhibits excellent water and grease-resistance, excellent gloss and adhesion properties and has excellent mechanical shear stability. It also shows excellent pigment wetting and good block resistance coupled with wide solvent tolerance. VISCOPOL™ 6191 is particularly recommended for use in water-based flexographic & gravure printing inks, overprint lacquers and paper & board-coating applications. It is also highly recommended for use in the formulation of anti-corrosive metal primers. It has a shelf life of 12 months.

EBECRYL® 600 by allnex is a low VOC diacrylate ester of bisphenol A epoxy resin. It provides light color and fast cure response.

• Films cured via exposure to ultraviolet light (UV) or electron beam (EB) possesses high surface hardness and gloss and excellent chemical resistance.
• It reduces energy consumption and exhibits low carbon foot print, good compatibility, low flammability and long potlife.
• It is a radiation curable, solvent- and tin free grade.
• EBECRYL® 600 is recommended for lithographic and screen inks, overprint varnishes and fast cure coatings.
• It is also used in coatings for paper, paperboard, wood, chipboard and rigid plastics.

EPOCROS™ WS-700 by Nippon Shokubai is a VOC-free adhesion promoter and a waterborne crosslinker based on acrylic, high oxazoline functionalized reactive copolymer. The new crosslinking technology enhances the reactivity between oxazoline groups and carboxy groups through a heating and mixing process involving EPOCROS™ WS and a carboxy group-containing emulsion with a specific neutralization rate.

• It offers lower curing temperature, excellent storage stability, no peeling and long pot life for one packaging.
• It provides film properties, low toxicity, fast drying and improved water- & heat resistance.
• EPOCROS™ WS-700 allows crosslinking reaction at low temperature (80-120°C) and without any by-product.
• It exhibits high reactivity and performance expression with even small addition.
• It offers excellent adhesion to polyethylene terephthalate (PET), oriented polypropylene (OPP) and polyvinyl chloride (PVC).
• Recommended for coatings (metals, films, paper, plastics, leather), primer (film, plastics, building materials, automobiles, PVB inks), paints, inks and pigment printing.
• It is registered with CSCA (Japan), TSCA (USA), REACH EU and IECSC (China) regulations.

EPOCROS™ WS-300 by Nippon Shokubai is a VOC-free adhesion promoter and waterborne crosslinking agent based on acrylic, high oxazoline functionalized reactive copolymer. The new crosslinking technology enhances the reactivity between oxazoline groups and carboxy groups through a heating and mixing process involving EPOCROS™ WS and a carboxy group-containing emulsion with a specific neutralization rate.

• It offers lower curing temperature, excellent storage stability, no peeling and long pot life for one packaging.
• It provides film properties, low toxicity, fast drying and improved water- & heat resistance.
• It shows excellent adhesion to polyethylene terephthalate (PET), oriented polypropylene (OPP) and polyvinyl chloride (PVC).
• It exhibits controllable appearance by glass transition temperature adjustment and crosslinking reaction at low temperature (80-120°C) with no by-product.
• It offers high reactivity and performance expression with even small addition.
• EPOCROS™ WS-300 is designed for coatings (metals, films, paper, plastics, leather), primer (film, plastics, building materials, automobiles, PVB inks), paints, inks and pigment printing.
• It is registered with CSCA(Japan) and TSCA(USA) regulations.

EBECRYL® 860 by allnex is an epoxidized soya oil acrylate. Exhibits good hydrophilic-lipophilic balance for lithography and good surface appearance. It improves the flow and leveling of UV or electron beam (EB) curable inks and coatings. It enhances pigment & substrate wetting and adhesion when used as a modifier. Recommended for overprint varnishes for paper, lithographic ink vehicles, metal decorating and protective coatings, screen ink vehicles and pigmented wood coatings. Formulated products containing EBECRYL® 860 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, as well as flexographic, lithographic and screen printing.

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.

CYCAT® 4040 catalyst by allnex is a fast cure para-toluene sulfonic acid-based catalyst. It is designed to initiate and accelerate the reaction of amino crosslinking agents, such as those based on melamine and urea formaldehyde. CYCAT® 4040 catalyst is used in printing inks, solvent- & water-borne conversion varnishes for wood, general industrial, paper and exterior can coatings. It is suitable for 2K ambient cure or low bake systems. It offers excellent formulated package stability and reduces energy requirements. Recommended dosage level is 0.5 % catalyst solution. The shelf life of the grade is 720 days.