A procedure to modify keratinous material. (Machine-translation by Google Translate, not legally binding)

摘要

A process for modifying keratinous material, comprising, in a first step, treating the material with a polyurethane or polythiourethane containing at least two groups of mercaptan (-sh) per molecule, and subsequently curing the polyurethane or polythiourethane on the material, by thermal treatment, and, possibly applying to the keratinous material a catalyst for said curing. (Machine-translation by Google Translate, not legally binding)