Polyurethane (PU) Resins for Coatings and Inks

Crysol® 6110 by Wanhua Chemical is an aliphatic, anionic polyurethane dispersion for flexible plastic and soft-feel coating.

• It offers good film-forming property, excellent adhesion, excellent solvent resistance and abrasion resistance.
• This waterborne resin is recommended for interior, exterior, clearcoat, topcoat, metal, wood, plastic, wall and glass applications.

UCECOAT® 7355 by allnex is a low/zero VOC, water-borne, solvent- & organo-tin-free radiation curable (UV/EB) polyurethane dispersion. It is tack-free before cure and after water evaporation. It is developed for high-end wooden furniture topcoats, both transparent and pigmented, but can also be used for other applications and substrates.

• The cured formulations offer very high reactivity in systems, very good hardness, high scratch and stain resistance.
• It provides optimized stability, good compatibility and is easy to formulate.
• UCECOAT® 7355 can be applied by spray and curtain coating.
• It is recommended for clear topcoat for wood furniture, coating on melamine paper foils and PVC floorings.
• It has a shelf life is 1 year.

Lacper® 4219 by Wanhua Chemical is an APEO-, solvent- & tin-free, acrylic-modified, aliphatic polyurethane dispersion.

• It can be used for clear and pigmented wood coating both for interior and exterior.
• Exhibits excellent stackability, flexibility, good building and fast drying & high hardness.
• This waterborne resin is recommended for interior, exterior, primer sealer, midcoat, basecoat, clearcoat, topcoat, plastic and wood applications.
• Lacper® 4219 contains <1% ethylamine as neutralizing agent.

UCECOAT® 7850 by allnex is a tin-, and bisphenol A-free, water-borne radiation curable (UV/EB) polyurethane dispersion which is tack-free before cure and after water evaporation. It was developed for wood coatings but can also be used for other applications. It is a low VOC and solvent-free technology grade.

• Because of its non-irritant nature and low viscosity, UCECOAT® 7850 can be applied safely by spray and curtain coating.
• The cured products are characterized by high flexibility and hardness.

Dispurez® 103 by Incorez is an anionic, flexible, toughened polyurethane dispersion. Offers excellent optical clarity and good block resistance. Suitable for durable rigid plastics and flexible films. Designed for durable coating for interior and exterior automotive plastic substrates. Provides excellent weathering resistance, when used in combination with suitable UV stabilizers. Shows excellent adhesion to wide variety of plastics including ABS, PC and PET. It can be added to waterproofing acrylic formulation to improve tensile strength and reduce water uptake. Films derived from Dispurez® 103 exhibit good chemical, stain and hydrolysis resistance.

Crysol® 6136 by Wanhua Chemical is an acrylic modified polyurethane dispersion used to metal pretreatment coatings and plastic coating with excellent chemical resistance.

• It exhibits excellent alcohol & alkali resistance, adhesion to a variety of plastic substrates such as PC, PC+ABS & ABS, PS, weather resistance and mechanical stability.
• It can be combined with amino resin or blocked isocyanate and other crosslinking agent/adhesion promoter to improve adhesion.
• Crysol® 6136 does not contain formaldehyde or ethoxylated alkylphenol (APEO), NMP and NEP.
• This waterborne resin is recommended for interior, exterior, midcoat, basecoat, clearcoat and topcoat applications.

Relca® PU-683 by DKSH is a water-based, solvent-free, anionic dispersion of an aliphatic polyester urethane. It exhibits excellent taber abrasion resistance, excellent water resistance, excellent hydrolysis resistance and high hardness.

• It is highly flexible and yields clear, glossy and flexible films.
• Relca® PU-683 is recommended for 1K & 2K flooring coatings, furniture & parquet coatings and general wood coatings applications.
• It is available in Canada.

Lacper® 4211 by Wanhua Chemical is an APEO-, solvent- & tin-free aliphatic polyurethane dispersion.

• It can be used for clear and pigmented wood coating both for interior and exterior.
• Exhibits excellent blocking resistance, flexibility, good building up and good compatibility with acrylic emulsion.
• Lacper® 4211 contains <1% ethylamine as neutralizing agent.

EBECRYL® 8413 by allnex is a low/zero VOC, solvent-free, pigment grind urethane oligomer. It is used in conjunction with a letdown oligomer, EBECRYL® 1300 to develop non-blocking thermoformable inks suitable for first and second surface applications. It possesses light color and very high elongation at break, and exhibits high gloss, excellent flexibility and good milling properties. It provides good compatibility, long potlife, faster cycle time, low temperature curing and lower energy consumption.

• It offers block-, scratch- & temperature resistance, and good adhesion to a variety of untreated plastic substrates including polycarbonate (PC), polystyrene (PS), polyvinylchloride (PVC), polyester, acrylic and glycol modified polyethyleneterephthalate (PET-G).
• It does not require corona discharge or flame pretreatment.
• UV cured thermoformable inks exhibit tack-free state after cure, low shrinkage (1.2%), and excellent intercoat adhesion.
• Formulated products containing EBECRYL® 8413 may be applied via flatbed screen methods and are recommended for use in screen inks in markets such as displays, signage, POP, vending machine panels, packaging, sporting goods, architectural, electronics, appliance nameplates, housing, toys and novelty items.
• It is also recommended for elastomers application by 3D printing, providing great shape recovery.

DAOTAN® TW 6464/36WA by allnex is a low/zero VOC, shear stable, solvent-, and emulsifier-free, self-crosslinking acrylated polyurethane dispersion. It provides quick drying and good wetting properties. It offers transparent cured films with good chemical and abrasion resistance.

• Its neutralization agent is 0.8% N,N-dimethyl ethanolamine, as salt.
• It shows excellent adhesion to plastics like ABS, PC, PP, and PVC.
• It is more flexible and has improved color stability.
• DAOTAN® TW 6464/36WA is recommended for use with waterborne plastic primers and base coats.
• It exhibits extraordinary bright metallic effects.
• It has a shelf life of 450 days.