| http://www.w3.org/ns/prov#value | - s contains groups with active hydrogen atoms, in particular hydroxyl groups or amino groups which are more reactive than sulphhydryl groups in their reaction with isocyanate groups, or by including partially blocked polyisocyanates, i.e., reaction products of the diisocyanates mentioned above as examples with blocking agents such as diethylmalonate, ethyl acetoacetate, ??-caprolactam or phenol, us
|
