申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0690337A1
公开(公告)日:1996-01-03
An improved hardener and a photographic element comprising same defined by
wherein:
Lis an n-valent linking group;
R¹is an alkyl, or substituted alkyl, of 1 to 24 carbons; aryl, or substituted aryl, of 6 to 24 carbons; aralkyl, or substituted aralkyl, of 7 to 25 carbons; the atoms chosen from C, N, O, and S necessary to form a substituted, or unsubstituted, 5 -or 6-membered ring; or -C(O)R⁵;
R²is hydrogen; alkyl, or substituted alkyl, of 1 to 24 carbons; aryl, or substituted aryl, of 6 to 24 carbons; aralkyl, or substituted aralkyl, of 7 to 25 carbons; -OR⁶; nitro; carboxyl; mercapto; alkylamino, or substituted alkylamino, or 1 to 24 carbons; the atoms chosen from C, N, O and S necessary to from an unsubstituted or substituted 5- or 6-membered ring; or halogen;
R³ and R⁴may independently represent hydrogen; alkyl, or substituted alkyl, of 1 to 24 carbons; nitro; carboxyl; mercapto; or -OR⁷;
R³ and R⁴may independently represent the atoms chosen from C, N, O, and S necessary to form a substituted, or unsubstituted, 5-or 6-membered ring or R³ and R⁴ may be taken together to represent the atoms chosen from C, N, O, and S necessary to form a substituted, or unsubstituted, 5- or 6-membered ring;
R⁵represents an alkyl, or substituted alkyl, of 1 to 24 carbons; aryl, or substituted aryl, of 6 to 24 carbons; aralkyl, or substituted aralkyl, of 7 to 25 carbons; -OR⁸; -CN; -NR⁹R¹⁰; the atoms chosen from C, N, O and S necessary to form a substituted, or unsubstituted, 5- or 6-membered ring;
R⁶represents hydrogen; alkyl, or substituted alkyl, of 1 to 24 carbons;
R⁷represents hydrogen; alkyl, or substituted alkyl, of 1 to 24 carbons;
R⁸represents hydrogen; alkyl, or substituted alkyl, of 1 to 24 carbons; aryl, or substituted aryl, of 6 to 24 carbons;
R⁹ and R¹⁰may independently represent hydrogen; alkyl, or substituted alkyl, of 1 to 24 carbons; aryl, or substituted aryl, of 6 to 24 carbons; aralkyl, or substituted aralkyl, of 7 to 25 carbons; the atoms chosen from C, N, O and S necessary to from a substituted, or unsubstituted, 5- or 6- membered ring;
R⁹ and R¹⁰may be taken together to represent the atoms chosen from C, N, O and S necessary to form a substituted or unsubstituted 5- or 6-membered ring;
nis an integer of at least 2;
X⁻is a counter ion used to balance the charge of the molecule.
一种改进型硬化剂和包含该硬化剂的感光元件,其定义如下
其中
Lis 一个正价连接基团;
R¹是碳原子数为 1 至 24 个的烷基或取代烷基;碳原子数为 6 至 24 个的芳基或取代芳基;碳原子数为 7 至 25 个的烷基或取代烷基;形成取代或未取代的 5 或 6 元环所必需的选自 C、N、O 和 S 的原子;或-C(O)R⁵;
R² 是氢;1 至 24 碳原子的烷基或取代烷基;6 至 24 碳原子的芳基或取代芳基;7 至 25 碳原子的芳烷基或取代芳烷基;-OR⁶;硝基;羧基;巯基;1 至 24 碳原子的烷基氨基或取代烷基氨基;形成未取代或取代的 5 或 6 元环所需的 C、N、O 和 S 原子;或卤素;
R³ 和 R⁴ 可独立地代表氢、1 至 24 碳原子的烷基或取代烷基、硝基、羧基、巯基或 -OR⁷;
R³ 和 R⁴ 可独立地代表形成取代或未取代的 5 或 6 元环所需的选自 C、N、O 和 S 的原子,或 R³ 和 R⁴ 可结合在一起代表形成取代或未取代的 5 或 6 元环所需的选自 C、N、O 和 S 的原子;
R⁵代表 1 至 24 碳原子的烷基或取代的烷基;6 至 24 碳原子的芳基或取代的芳基;7 至 25 碳原子的烷基或取代的烷基;-OR⁸;-CN;-NR⁹R¹⁰;形成取代或未取代的 5 或 6 元环所必需的选自 C、N、O 和 S 的原子;
R⁶ 代表氢、1 至 24 碳原子的烷基或取代的烷基;
R⁷ 代表氢、1 至 24 碳原子的烷基或取代的烷基;
R⁸ 代表氢;1 至 24 个碳原子的烷基或取代烷基;6 至 24 个碳原子的芳基或取代芳基;
R⁹和 R¹⁰ 可独立地代表氢、碳原子数为 1-24 个的烷基或取代烷基、碳原子数为 6-24 个的芳基或取代芳基、碳原子数为 7-25 个的烷基或取代烷基;
R⁹ 和 R¹⁰ 可合在一起表示形成取代或未取代的 5 或 6 元环所需的 C、N、O 和 S 原子;
n 是至少为 2 的整数;
X- 是用于平衡分子电荷的反离子。