Reversibly thermochromic systems based on pH-sensitive spirolactone-derived functional dyes

被引:110
作者
Burkinshaw, SM [1 ]
Griffiths, J [1 ]
Towns, AD [1 ]
机构
[1] Univ Leeds, Dept Colour Chem, Leeds LS2 9JT, W Yorkshire, England
关键词
D O I
10.1039/a805994b
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Composites formulated from pH-sensitive colour formers mixed with fatty acid co-solvents and acidic developers have been prepared and their thermochromic properties investigated. Possible explanations for the thermochromic effect have been considered and evidence is presented in support of a mechanism based on phase changes occurring within the compositions during heating and cooling.
引用
收藏
页码:2677 / 2683
页数:7
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