释放显影抑制剂型成色剂在彩色影像形成过程中的动力学研究 Ⅱ.DIR和DIAR成色剂对染料影像形成的主反应的影响

doi:10.7517/j.issn.1674-0475.1993.02.63

影像科学与光化学 ›› 1993, Vol. 11 ›› Issue (2): 63-68.DOI: 10.7517/j.issn.1674-0475.1993.02.63

释放显影抑制剂型成色剂在彩色影像形成过程中的动力学研究 Ⅱ.DIR和DIAR成色剂对染料影像形成的主反应的影响

赵文芳, 胡萍, 贺佩文, 任新民

中国科学院感光化学研究所, 北京 100101

收稿日期:1992-05-22 修回日期:1992-12-01 出版日期:1993-05-20 发布日期:1993-05-20
通讯作者: 赵文芳

KINETICS OF THE DEVELOPMENT INHIBITOR RELEASING COUPLER IN THE COLOR IMAGING PROCESS Ⅱ. THE EFFECT OF DIR AND DIAR COUPLER ON ESSENTIAL REACTIONS OF DYE FORMING PROCESS

ZHAO WEN-FANG, Hu PING, HE PEI-WEN, REN XIN-MIN

Institute of Photographic Chemistry, Academia Sinica, Beijing 100101, P.R. China

Received:1992-05-22 Revised:1992-12-01 Online:1993-05-20 Published:1993-05-20

摘要/Abstract

摘要： 继前文测定了成染料成色剂、DIR和DIAR成色剂与QDI的偶合反应的速率常数的基础上,本文进一步研究了DIR和DIAR成色剂对染料影像形成的主反应的作用.研究结果表明其作用(1)DIR或DIAR参与与成染料成色剂竞争QDI的反应,从而控制了QDI在显影银周围的扩散距离,同时也影响了染料的形成速率;(2)DIR和DIAR成色剂在与QDI反应后所释放的显影抑制剂抑制了卤化银的显影进程,从而控制了QDI的形成速率.两种作用的结果都使染料云的尺寸减小.本文还比较了体系中加入等摩尔(mol)量的带有相同抑制基团的DIR或DIAR成色剂的情况下,它们对主反应的影响,结果表明无论是对QDI的竞争作用或对显影的抑制作用,其作用大小都取决于它们与QDI反应的表现速率常数K值.

关键词: DIR成色剂, 偶合动力学, 染料影像形成, 彩色像质

Abstract: Based on the rate constants of the reaction of dye-forming coupler, DIR coupler and DIAR coupler with QDI respectively, the effects of DIR or DIAR on the essential reaction of dye image formation were investigated. The results showed (1) that DIR or DIAR coupler competes with dye-forming coupler for QDI, so it could control the diffusion range of QDI and decrease the rate of dye formation of the dye-forming coupler; (2) the inhibitor released from the reaction of DIR or DIAR coupler with QDI decreases the development rate of silver halide grams, so it controlled the formation rate of QDI. Both effects of DIR or DIAR made the dye cloud become finer than that without it. In addition, the effects of DIAR(Ⅲ), which has the same inhibiting group as DIR(Ⅱ), are greater than those of DIR(Ⅱ) owing to its greater rate constant with QDI.

Key words: DIR coupler, coupling kinetics, dye image formation, color image quality

赵文芳, 胡萍, 贺佩文, 任新民. 释放显影抑制剂型成色剂在彩色影像形成过程中的动力学研究 Ⅱ.DIR和DIAR成色剂对染料影像形成的主反应的影响[J]. 影像科学与光化学, 1993, 11(2): 63-68.

ZHAO WEN-FANG, Hu PING, HE PEI-WEN, REN XIN-MIN. KINETICS OF THE DEVELOPMENT INHIBITOR RELEASING COUPLER IN THE COLOR IMAGING PROCESS Ⅱ. THE EFFECT OF DIR AND DIAR COUPLER ON ESSENTIAL REACTIONS OF DYE FORMING PROCESS[J]. Imaging Science and Photochemistry, 1993, 11(2): 63-68.

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释放显影抑制剂型成色剂在彩色影像形成过程中的动力学研究 Ⅱ.DIR和DIAR成色剂对染料影像形成的主反应的影响

KINETICS OF THE DEVELOPMENT INHIBITOR RELEASING COUPLER IN THE COLOR IMAGING PROCESS Ⅱ. THE EFFECT OF DIR AND DIAR COUPLER ON ESSENTIAL REACTIONS OF DYE FORMING PROCESS

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