Thermal recording material
专利汇可以提供Thermal recording material专利检索，专利查询，专利分析的服务。并且PURPOSE:To obtain a thermal recording material having a superior thermal response and a high color forming sensitivity, by adding a specific compound to the material. CONSTITUTION:In a thermal recording material containing a normally colorless or light-colored dye precursor and a color developer coloring the dye precursor on heating as basic ingredients, a compound shown by a general formula (1) is contained. In the formula, R1 represents alkyl, R2 represents alkyl or aralkyl which may have substituents, and Ar represents aryl which may have substituents. A compound having a melting point of 70-160 deg.C is practically preferable from among the compounds shown by the formula (1). The compound shown by the formula (1) is added to the color developer by the amount of 5-400wt.%, but particularly a preferably amount is 20-300wt.%. An addition amount less than 5wt.% or that more than 400wt.% preferable from among the compounds shown cannot impart a sufficient effect. As the color developer, an electron acceptable compound is used, and especially a phenol derivative, an aromatic carboxylic acid derivative, an N,N'-diaryl tiourea derivative, a polyvalent metal salt such as a zinc salt of organic compound, and the like are preferably used.，下面是Thermal recording material专利的具体信息内容。
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
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| 一种生乳中尿素含量的分析测试方法 | 2020-05-08 | 674 |
| 一种AG201热敏显色剂缩合装置 | 2020-05-08 | 11 |
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