Adhesion Promoters / Bonding Agents for Coatings and Inks

ETERKYD 4901-B-72 distributed by DKSH is an adhesion promoter for industrial coatings. It is used mainly in baking paints and primers.

• It is formulated to meet air pollution regulations.
• It imparts excellent balance of hardness and flexibility.
• It produces high-gloss films with excellent color and color retention.
• ETERKYD 4901-B-72 is recommended for coil coatings, general industrial gloss bake enamels for spray, dip, or flow.
• It is suitable for high-solids, solvent-thinned coil coatings, can coatings and waterborne one-coat systems.
• This product is available in Canada and USA.

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.

HARDLEN® CY-9122P distributed by DKSH is an adhesion promoter for polyolefin. It is suitable for polypropylene, TPO, EPDM, PP/EPDM and metal substrates without some physical and chemical pre-treatments such as framing treatment.

• It offers good interlayer adhesion between primer and topcoat paint such as 2K system using polyurethane.
• HARDLEN® CY-9122P shows excellent resistance against water, humidity and gasoline after top-coating.
• This product is available in Europe & Asia/Pacific regions.

HALOX® 680 by ICL is a VOC-free, non-flammable, smart release anticorrosive pigment which releases a heterocyclic organic corrosion inhibitor from an organic matrix that adsorbs on the metal surface and forms a protective film. It offers decreased cathodic delamination (undercutting) and improves cut edge protection.

• It is jet milled grade that provides increased intercoat coating adhesion and prevents osmotic blistering. It reduces cost by lowering zinc phosphate loading.
• It acts synergistically with other corrosion inhibitors such as zinc phosphate, Z-PLEX 111, SZP-391, HALOX® 430 and Zn-free phosphates.
• It can be formulated into solvent-based, high solid-, and powder coatings.
• It is suitable for solvent-based primers & DTM alkyds, acrylics, water-based epoxies and urethanes, high solids and 100% solids, semi-gloss paints and coil coatings.
• The dosage level of HALOX® 680 as a stand-alone corrosion inhibitor or as an adhesion promoter is 1-2% based on total formula weight (TFW).
• When used in synergy with standard zinc phosphate the loading level of the product is typically 0.5-4% on total formula weight (TFW).

HARDLEN® CY-9124P distributed by DKSH is an adhesion promoter for polyolefin. It is suitable for polypropylene, TPO, PP/EPDM, EPDM and metal substrates without some physical and chemical pre-treatments such as framing treatment.

• It possesses excellent resistance against water, humidity and gasoline after top-coating.
• HARDLEN® CY-9124P provides good interlayer adhesion between primer and topcoat paint such as 2K system using polyurethane.
• This product is available in Europe and Asia/Pacific regions.

EBECRYL® 375 by allnex is tetramercapto derivative designed as adhesion promotor on metal. It is used in a concentration of 2-10 % in acrylated systems to improve adhesion and flexibility. It may be applied by lithographic, screen, gravure, direct or reverse roll, and curtain coating methods. EBECRYL® 375 is recommended for use in UV/EB cured solder resists and metal- & thick coatings. The shelf life of this product is 2 years.

EBECRYL® 170 by allnex is acidic acrylate-based adhesion promoter. It is designed as an additive for ultraviolet (UV) and electron beam (EB) curable coatings on metal. EBECRYL® 170 is characterized by low viscosity, acid functionality, good adhesion to metal substrates and improved reactivity. It is applied by direct or reverse roll, offset gravure, metering rod, slot die, knife over roll, air knife, curtain and immersion coating methods. The typical usage level is between 1 and 5% by weight of the total formulation. Recommended for use in general metal coatings & primers, coatings for galvanized pipes & tubes. Also used in coil coatings.The shelf life of the grade is 2 years.

ETERKYD 4909 distributed by DKSH is a silicone-free, adhesion promoter for bake finishes. It is used mainly in baking paints and primers.

• It offers initial, long-term and intercoat adhesion of paints based on a multiplicity of binders to metallic and mineral substrates and to certain plastics.
• It retains excellent flexibility and exhibits good color and overbake color retention.
• It provides good toughness and adhesion and films with good anti-stone attack.
• ETERKYD 4909 is recommended for stoving finishes for aluminum, iron or alloy's bare metal castings and plastics.
• It is highly compatible with most binders and can be used universally and even in water-borne one-coat systems.
• The dosage level of the grade is 1.5-3.0% based on total formulation.
• This product is available in Canada and USA.

HARDLEN® DX-523P distributed by DKSH acts as a chlorinated polypropylene-based adhesion promoter. It shows excellent adhesion properties to polypropylene substrates, making it a popular additive for untreated substrates.

• It offers excellent properties that include good adhesion, solution stability, toughness and transparent film after curing.
• It provides good heat and chemical resistance, and pigment dispersibility due to its modification with chlorine or maleic anhydride groups.
• It is used in packaging ink, paint coating binding and PP films.
• HARDLEN® DX-523P 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, China, Indonesia, Malaysia and India.