Waterborne Polyurethane Acrylate Oligomer Suppliers & Factory Serving Seoul

Our waterborne PUA emulsions utilize self-emulsifying hydrophilic carboxylate or non-ionic polyether soft segments incorporated directly onto the aliphatic polyurethane backbone. In industrial coating lines across Seoul and Gyeonggi-do, coatings undergo an infrared (IR) or convective flash step (60–70°C for 2–3 minutes) to evaporate water before exposure to UV radiation. Because the acrylic double bonds are structurally bound to the polyurethane skeleton, the film undergoes uniform radical polymerization upon UV/LED curing without micro-phase separation, haze, or orange peel defects.

100% solid UV oligomers rely on reactive monomer diluents (e.g., TPGDA, TMPTA, IBOA) to reduce application viscosity, which often causes skin irritation, residual odor, and noticeable volume shrinkage (up to 8–12%) upon cure. Waterborne PUA dispersions use deionized water as the carrier medium. Once water evaporates, the polymer particles coalesce into a continuous film with substantially less internal shrinkage stress (< 2%). This makes WPUA ideal for delicate electronic films, display coatings, and ultra-thin protective layers produced in the Seoul Capital Area.

Yes. Our synthesis laboratory adjusts molecular weight distributions, functionality (from difunctional to hexafunctional hyperbranched cores), and surface charge density. For Korean manufacturers switching from traditional mercury lamps to energy-efficient 365nm / 385nm / 395nm UV LED arrays, we incorporate high-reactivity acrylic end-cappings that maximize free-radical crosslinking even under lower irradiance levels.

Every shipment dispatched to Seoul, Incheon, or Busan includes batch-specific Certificates of Analysis (COA) with GPC molecular weight profiles, solids content validation, and viscosity measurements. We provide Korean GHS-compliant Safety Data Sheets (SDS) and assist local importers with K-REACH confirmation statements, verifying that all monomeric and polymeric constituents are listed on the Korean Existing Chemicals Inventory (KECL) or qualify under statutory volume exemptions.

Standard production packaging ranges from 25kg HDPE pails to 200kg steel/plastic drums and 1000kg IBC totes. Shipments heading to Greater Seoul are routed through major deep-water ports (Guangzhou/Shenzhen) directly to Incheon Port (average 3-day voyage) or Pyeongtaek/Busan. In-stock grades ship within 3–5 working days from order placement, ensuring uninterrupted supply runs.