There are described novel rhodamine color-forming compounds. The rhodamine color-forming compounds exhibit a first color when in a crystalline form and a second color, different from the first color, when in an amorphous form. Thermal imaging members containing these color-formers are also described.
本文描述了一种新的
罗丹明染色化合物。当这些
罗丹明染色化合物处于晶体形态时,它们呈现第一种颜色;当它们处于非晶态时,呈现与第一种颜色不同的第二种颜色。本文还描述了含有这些染色剂的热成像材料。