CN102141725A - 一种对色盲乳剂增感的实现方法 - Google Patents

一种对色盲乳剂增感的实现方法 Download PDF

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CN102141725A
CN102141725A CN 201010610658 CN201010610658A CN102141725A CN 102141725 A CN102141725 A CN 102141725A CN 201010610658 CN201010610658 CN 201010610658 CN 201010610658 A CN201010610658 A CN 201010610658A CN 102141725 A CN102141725 A CN 102141725A
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emulsion
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implementation method
color
intensifying
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翟秋红
史雄泰
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TIANJIN MEDIA IMAGING MATERIALS CO Ltd
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TIANJIN MEDIA IMAGING MATERIALS CO Ltd
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Abstract

本发明公开了一种对色盲乳剂增感的实现方法。本发明一种对色盲乳剂增感的实现方法,通过下述技术方案予以实现,采用双注乳化设备,制备了单分散立方体氯溴化银乳剂,颗粒粒径d=0.3μm,分别进行硫金化学增感,取上述制得的乳剂中加入583稳定剂2%。稳定剂583(5-甲基-7羟基-1,3,4-三氮吲哚利嗪),它不损害高速乳剂的感光度和反差,又能有效防止乳剂老化。通过在卤化银乳剂中加入583与空白乳剂做对比实验的方法,验证了稳定剂583对色盲乳剂的增感作用。

Description

一种对色盲乳剂增感的实现方法
技术领域
本发明涉及卤化银乳剂增感实现领域,更具体地说,是涉及一种利照相稳定剂583用对色盲乳剂增感的实现方法。
背景技术
照相稳定剂583(5-甲基-7羟基-1,3,4-三氮吲哚利嗪)自1935年问世以来,到目前为止仍不失为一个好的稳定剂。而该稳定剂在卤化银乳剂中的增感作用却是近几年才发现的。研究表明,将稳定剂583加入卤化银乳剂中,无论乳剂是否进行了光谱增感,不仅能抑制灰雾的增长、改善自然保存性,而且能显著提高乳剂的感光度。
据有关照相稳定剂的增感作用的报道,它只在硫增感的细颗粒双注乳化的六面体溴化银或氯溴化银乳剂中起增感作用,而在八面体或板状溴化银乳剂中起减感作用。而且在单注乳化中的作用不大。
发明内容
本发明所要解决的技术问题是,克服现有技术中存在的不足,提供一种对色盲乳剂增感的实现方法。
本发明一种对色盲乳剂增感的实现方法,通过下述技术方案予以实现,采用双注乳化设备,制备了单分散立方体氯溴化银乳剂,颗粒粒径d=0.3μm,分别进行硫金化学增感,取上述制得的乳剂中加入583稳定剂2%。
稳定剂583(5-甲基-7羟基-1,3,4-三氮吲哚利嗪),是目前认为最有用的乳剂稳定剂。它不损害高速乳剂的感光度和反差,又能有效防止乳剂老化。通过在卤化银乳剂中加入583与空白乳剂做对比实验的方法,验证稳定剂583对色盲乳剂的增感作用。
单分散立方体氯溴化银乳剂分别加入583稳定剂和不加583稳定剂,进行感光测定实验,实验条件如下:
曝光仪:BG-1型、曝光时间:1/20s
感光度按以下公式求取:
S=1/H(D0+1.0)
S表示感光度,H表示密度为(1.0+D0)处的曝光量,D0为最小密度。
冲洗加工:显影:π-1显影液、显影温度:20℃、显影时间:5min。
实验结果
Figure DEST_PATH_GDA0000059133040000021
通过以上数据以看出,稳定剂583对色盲乳剂具有明显的增感作用。
具体实施方式
下面对本发明做进一步描述。
采用双注乳化设备,制备了单分散立方体氯溴化银乳剂,颗粒粒径d=0.3μm,分别进行硫金化学增感,取上述制得的乳剂中加入583稳定剂2%。稳定剂583对色盲乳剂具有明显的增感作用。
本发明的作用机理如下:由于照相稳定剂583具有良好的照相性能,所以引起人们的广泛研究。通过ESCA红外吸收光谱、等温吸附、ESR信号的测试,以及离子电导的测定,初步认为它具有增感作用的机理如下:
(1)照相稳定剂是以负离子的形式跟颗粒表面的银离子相互作用,生成1∶1的络盐,这种难溶的络盐吸附在颗粒的表面上,使颗粒表面和次表面的间隙银离子浓度下降,从而降低了颗粒空间电荷层的电势梯度,减少了表面的浅电子陷阱,深化了深电子陷阱。
由于稳定剂络盐的形成与吸附以及浅电子陷阱的减少,从而延长了导带电子的寿命,扩大了导带电子的传导范围。

Claims (1)

1.一种对色盲乳剂增感的实现方法,其特征是,按照下述步骤进行:首先采用双注乳化设备,制备了单分散立方体氯溴化银乳剂,颗粒粒径d=0.3μm,分别进行硫金化学增感,然后取上述制得的乳剂中加入稳定剂5-甲基-7羟基-1,3,4-三氮吲哚利嗪,按质量百分比加入2%。
CN 201010610658 2010-12-29 2010-12-29 一种对色盲乳剂增感的实现方法 Pending CN102141725A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1072025A (zh) * 1992-08-18 1993-05-12 孙崇森 艺术印像及其制造方法
CN1095166A (zh) * 1994-02-23 1994-11-16 中国科学院感光化学研究所 一种提高氯化银乳剂感光度的方法
US5972589A (en) * 1996-11-13 1999-10-26 Imation Corporation Silver halide emulsion manufacturing method
CN1508627A (zh) * 2002-12-17 2004-06-30 中国科学院理化技术研究所 具有高影像反差的卤化银乳剂及其制备方法和用途

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1072025A (zh) * 1992-08-18 1993-05-12 孙崇森 艺术印像及其制造方法
CN1095166A (zh) * 1994-02-23 1994-11-16 中国科学院感光化学研究所 一种提高氯化银乳剂感光度的方法
US5972589A (en) * 1996-11-13 1999-10-26 Imation Corporation Silver halide emulsion manufacturing method
CN1508627A (zh) * 2002-12-17 2004-06-30 中国科学院理化技术研究所 具有高影像反差的卤化银乳剂及其制备方法和用途

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Application publication date: 20110803