| 摘要 |
Process for hardening proteinaceous materials by means of a quick acting hardener corresponding to the following formula <CHEM> wherein: Z1 and Z2 each independently represent substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or Z1 represents substituted or unsubstituted alkylidene or Z1 and Z2 together represent the atomic grouping required to complete a 5- or 6-membered substituted or unsubstituted heterocyclic ring, including an aromatic heterocyclic ring and including such a ring with a ring fused-on, which atomic grouping may contain other hetero atoms in addition to the nitrogen atom; Y represents substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl; X represents O or S; R represents substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, substituted or unsubstituted alkyloxy, substituted or unsubstituted aryloxy, substituted or unsubstituted alkylthio, substituted or unsubstituted arylthio, substituted or unsubstituted amino or O<->; n represents 0 or 1, and m represents 0 or 1, m being 0 if the nitrogen to which Y is attached is involved in a double bond.
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