Irgacure® 819- DW is a versatile photoinitiator for radical polymerization of unsaturated resins upon light exposure. It is especially suitable for the curing of pigmented water-based dispersions (polyurethane dispersions [PUDs] or acrylic dispersions), the daylight-curing of PUDbased clear coats and for use in combination with light stabilizers. Other possible uses include thick-section curing, emulsion-type and 100 % UV systems. Irgacure® 819-DW is a dispersion of bis-acylphosphine oxide (BAPO) in water.
It may be used in UV-curable formulations for clear and pigmented coatings on wood, metal, plastic, paper as well as for printing inks. For patent reasons, however, the use in dental applications is not allowed. It is very easily incorporated into water-based formulations and leads to stable dispersions. At low concentrations Irgacure® 819-DW exhibits an outstanding curing performance in highly opaque white and colored pigmented coatings or screen inks and leads to minimum yellowing after exposure to sufficient amounts of UV radiation. Additionally the outstanding absorption properties of Irgacure® 819-DW allow curing of thick sections.
BASF Dispersions & Pigments Asia Pacific provides solutions for customers in the coatings, construction, printing and packaging, and adhesive markets. These products help manufacturers in the adhesives, nonwovens, and fiber bonding industries meet functional and performance demands while using smart, ecologically minded materials that enhance the performance properties of customers’ production processes.
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BASF Dispersions & Pigments Asia Pacific 巴斯夫亚洲分散液 & 颜料 makes their documentation available in the regions indicated below:
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