Doublecure® 1256 is a non-yellowing liquid photoinitiator designed specifically for unsaturated polyesters or thick acrylic UV coatings. It has a minor λmax located in 374 nm, and therefore, it is also ideal for white-pigmented systems. Basically, a percentage of 1 – 3 % of Doublecure® 1256 is effective for lacquer preparation. If the resin is made of polyester, there is no need for coinitiators. However, due to its sensitivity toward oxygen inhibition, additional coinitiators such as Doublecure® 184 or 173 is highly recommended for pigmented acrylic finishes.
If the yellowing is not concerned, amine synergist such as Doublecure® EPD or 115,225 is also beneficial to the throughcure. Owing to its absorption of light in the long wave UV region, Doublecure® 1256 and lacquers produced from it are daylight-sensitive. Therefore, light with wavelength less than 500 nm must be excluded during storage and processing.
Double Bond Chemical Ind., Co., Ltd. (DBC) specializes in Coatings additives such as antioxidants, UV absorbers, light stabilizers, heat stabilizers, flame retardants, dispersing agents, and brighteners, as well as UV curable products such as oligomers and monomers. Headquartered in Taipei, Taiwan, DBC has six manufacturing sites, 200 reactors, and over 400 experienced employees ready to serve your needs.
The information presented here was acquired by UL from the producer of the product or material or original information provider. However, UL assumes no responsibility or liability for the accuracy of the information contained on this website and strongly encourages that upon final product or material selection information is validated with the manufacturer. This website provides links to other websites owned by third parties. The content of such third party sites is not within our control, and we cannot and will not take responsibility for the information or content.
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