With key photointiators in short supply, ink manufacturers are coping with major cost and availability issues.
David Savastano, Editor06.21.18
In May 2018, word began to spread about a shortage of key photoinitiators for inks and coatings. On May 4, the European Printing Ink Association (EuPIA) warned of a “potential shortage of photoinitiators,” and during RadTech 2018, held a few days later, ink companies discussed then problems they were seeing, which we reported in a blog and video.
In particular, TPO and TPO-L, important photoinitiators for inkjet inks, UV LED inks, automotive coatings, and wood coatings and flooring, are in short supply due to the shutdown of a key precursor produced by the Chinese government.
There are only a handful of companies that produce this precursor. Material is scarce, leading to manufacturing challenges. Prices have risen dramatically for what remains in the market, and efforts to reformulate ink formulas aren’t simple.
There are a number of causes here, including China’s Blue Sky initiative to improve the environment, REACH legislation leading to
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