烟酸在热敏成像材料中的调色作用

doi:10.7517/j.issn.1674-0475.2010.01.19

影像科学与光化学 ›› 2010, Vol. 28 ›› Issue (1): 19-28.DOI: 10.7517/j.issn.1674-0475.2010.01.19

烟酸在热敏成像材料中的调色作用

张占江^1,2, 李金培¹

1. 中国科学院, 理化技术研究所, 北京, 100190;
2. 中国科学院, 研究生院, 北京, 100049

收稿日期:2009-05-31 修回日期:2009-07-20 出版日期:2010-01-23 发布日期:2010-01-23
通讯作者: 李金培
基金资助:
国家自然科学基金(20873168)

The Toning Effect of Nicotinic Acid on Thermographic Imaging Material

ZHANG Zhan-jiang^1,2, LI Jin-pei¹

1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R.China;
2. Graduate School of Chinese Academy of Sciences, Beijing 100049.P.R.China

Received:2009-05-31 Revised:2009-07-20 Online:2010-01-23 Published:2010-01-23

摘要/Abstract

摘要： 本文将烟酸引入以硬脂酸银为银源的热敏成像材料中,可以明显提高显影密度,并使影像颜色由金黄色变成黑色;同时显影银粒子的尺寸变大、形貌也会发生改变,并且显影银粒子像链珠一样排成一条线,而线与线之间基本上是平行排列的.进一步实验结果表明,烟酸的引入会降低材料的pH、pAg值和银盐的相变温度,硬脂酸银与烟酸一起加热可能反应生成了新的化合物.

关键词: 烟酸, 调色剂, 热敏成像材料

Abstract: Nicotinic acid was introduced as a toner into the thermographic material based on silver stearate(AgSt).The results showed that nicotinic acid obviously increased the developed silver density, changed the image color from golden-yellow to black,altered the morphology of developed silver particle,enlarged the silver particle size,and aligned the silver particles as paralleled chains of pearls.Further study revealed that nicotinic acid lowered the thermal transition temperature of the silver source and the values of pH and pAg in the emulsion of the said material.Novel silver carboxylate complex may have been resulted by heating the mixture of AgSt and Nicotinic acid.

Key words: nicotinic acid, toner, thermography

中图分类号:

TQ57

张占江, 李金培. 烟酸在热敏成像材料中的调色作用[J]. 影像科学与光化学, 2010, 28(1): 19-28.

ZHANG Zhan-jiang, LI Jin-pei. The Toning Effect of Nicotinic Acid on Thermographic Imaging Material[J]. Imaging Science and Photochemistry, 2010, 28(1): 19-28.

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烟酸在热敏成像材料中的调色作用

The Toning Effect of Nicotinic Acid on Thermographic Imaging Material

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