Urethane (meth)acrylates are used as prepolymers in ultraviolet-curable inks, varnishes and coating formulations for industrial purposes as well as resins for dental applications. The sensitizing capacity of 3 commonly used urethane (meth)acrylates was investigated using the guinea pig maximization test. The study shows that an aliphatic urethane acrylate is not only a more potent sensitizer than an aromatic one, but also more sensitizing than a (meth)acrylated aliphatic urethane.
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Bert Björkner (1984) studied this question.
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