| http://www.w3.org/ns/prov#value | - Further suitable blocking agents include bisulfite and triazoles. [0078] According to a particular embodiment of the invention, the blocked polyisocyanate may comprise the condensation product of a polyisocyanate, for example a di- or triisocyanate, a blocking agent and an organic compound other than the blocking agent and having one or more isocyanate reactive groups such as a hydroxy, amino or t
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