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Issue:
The Toning Effect of Nicotinic Acid on Thermographic Imaging Material
Author(s):
ZHANG Zhan-jiang
,
LI Jin-pei
Pages:
19
-
28
Year:
2010
Issue:
1
Journal:
Imaging Science and Photochemistry
Keyword:
nicotinic acid
;
toner
;
thermography
;
Abstract:
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.
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