申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0162308A2
公开(公告)日:1985-11-27
A hardening method for gelatin which comprises using as a hardening agent a compound represented by formula (1)
wherein R', R2, R3 and R4 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; or two of said R1, R2, R3 and R4 are combined with each other to form a ring (1); or 3 or more of said R', R2, R3 and R4 are combined with each other to form a condensed ring (2); X represents a group capable of being released when the compound shown by formula (I) reacts with a nucleophilic reagent; Y⊖represents an anion; or Y9 is combined with one of X, R1, R2, R3 and R4, ring (1), or ring (2) to form an anionic portion of an intramolecular salt.
一种明胶的硬化方法,包括使用由式(1)代表的化合物作为硬化剂
其中 R'、R2、R3 和 R4 各自代表取代或未取代的烷基、取代或未取代的烯基、取代或未取代的芳基或取代或未取代的芳烷基;或两个所述 R1、R2、R3 和 R4 相互结合形成环 (1)或 3 个或 3 个以上所述 R'、R2、R3 和 R4 相互结合形成缩合环 (2);X 代表当式 (I) 所示化合物与亲核试剂反应时能够释放的基团;Y⊖ 代表阴离子;或 Y9 与 X、R1、R2、R3 和 R4、环 (1) 或环 (2) 中的一个结合形成分子内盐的阴离子部分。