Crosslinking / Coupling / Curing Agents for Coatings and Inks

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.

DURANATE™ 24A-100 distributed by DKSH is a high-performance aliphatic polyisocyanate. This versatile product is composed of hexamethylene diisocyanate (HDI) and is renowned for its exceptional durability and resistance to weathering.

• It is designed to enhance the longevity and aesthetic appeal of your products, making it an ideal choice for industries seeking superior quality and performance.
• It features a high NCO content, lower viscosity, good coating film appearance and excellent adhesion.
• DURANATE™ 24A-100 is suitable for two-component applications, including plastic coatings, automotive refinishes, automobile and motorcycle base coats and top coats, as well as heavy-duty coatings.
• It is available in Canada.

Borchi® OXY-Coat 1101 by Borchers (Milliken) is a VOC- and cobalt-free curing agent and metal-based catalyst ideal for water-based alkyd coatings. It can improve drying activity, color performance, gloss and haze compared to cobalt-based driers. It is based on a unique, patented, highly active iron complex. It is suitable for all coatings with binders that dry by oxidation.

• It provides brighter whites and lower yellow tones.
• It offers improved adhesion in direct-to-metal applications.
• It can be used in coatings for adverse weather conditions.
• Applications include wood-, industrial-, and architectural coatings, as well as printing inks.
• Borchi® OXY-Coat 1101 is APEO-free and complies with Proposition 65, REACH, environmental labels "Blue Angel" (RAL-UZ 12a) and "EU Ecolabel"(Regulation (EC) No. 66/2010, Commission Decision 2014/312/EU).
• Recommended dosage level is 0.25-2%.

DURANATE™ TPA-100 distributed by DKSH is a high-performance aliphatic polyisocyanate hardener designed to enhance the durability and longevity. It is made from toluene diisocyanate (TDI). It offers superior adhesion, excellent weather resistance, and improved gloss retention.

• It provides high NCO content, lower viscosity, good coating film appearance and low residual monomer.
• DURANATE™ TPA-100 is suitable for two-component applications, including plastic coatings, automotive refinishes, industrial, automobile and motorcycle base coats and top coats, as well as heavy-duty coatings.
• It is available in Canada.

WANNATE® HT-400 by Wanhua Chemical is a low-viscosity reactive thinner and hardener component for aqueous- and lightfast two-component polyurethane coatings. In moisture-curing one-component polyurethane systems, it can be used as single binder or combined with other polyisocyanate mixture.

• It can be combined with WANNATE® HT-100, HT-600, and IT-170B.
• WANNATE® HT-400 shows compatibility with aliphatic- and aromatic polyisocyanates, polyester polyols and polyacrylates such as hydroxy polyacrylate.

Picassian® XL-706 distributed by DKSH is an aziridine that acts as a crosslinking agent. Exhibits high reactivity, better stain resistance, chemical resistance and improved hardness.

• It can be cured at room temperature.
• Picassian® XL-706 is suitable for 2K high performance coating and lacquer applications.
• The recommended dosage level is 2-3%.
• It is available in Canada.

CASAMID® 710 by Thomas Swan is a curing agent of the substituted dicyandiamide type; comprised of o-Tolyl biguanide (OTB). It is suitable for the production of rapid reacting epoxy resin powder coatings.

• It is also used in clear- and interior epoxy coatings.
• It provides accelerated cure speed, improved processing efficiency, consistent coating performance, enhanced adhesion & crosslinking and fast-track production.
• It exhibits reduced energy consumption and uniform film thickness.
• It shows compatibility with formulation additives and versatility in application methods.
• It offers high gloss, good flow, color stability and distinction of image in powder coatings.
• The recommended dosage level is 5-6 phr.
• CASAMID® 710 has a shelf life of 12 months.

CASAMID® 1416 by Thomas Swan acts as a gloss reducing curing agent and reactive matting agent. It is designed for use in interior coatings as well as black & dark shade epoxy- & hybrid powder coatings.

• It offers good flow and surface smoothness to the coatings.
• Epoxy coatings with gloss levels ranging from 5-15% and hybrid coatings with gloss levels ranging from 15-60% (or greater) can be easily formulated using CASAMID® 1416.
• The recommended dosage level is 8-12 phr.
• It has a shelf life of 12 months.

WANNATE® HTBL-472M by Wanhua Chemical acts as a hardener. It is a caprolactam-blocked aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), dissolved in 28% propylene glycol monomethyl ether acetate.

• The stoving temperature can be reduced by the addition of a catalyst, e.g. dibutyltin dilaurate (DBTL), without reducing the storage stability.
• It aids in improving the flexibility and adhesion in conventional stoving systems.
• WANNATE® HTBL-472M is used in colorfast and weather-stable, one-component polyurethane coatings.