Thermosensitive time indicating device
作者： Liu Wenheng , Guo Xin , Liu Yongsheng , Qin Ling
DOI:
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摘要: The invention relates to a thermosensitive time indicating device. device comprises base layer, first substrate layer which forms an accommodation body with the volatile functional is accommodated in and phase change material selected from at least one of oleic acid, elaidic n-nonanoic octanoic glyceryl triacetate lauric adsorption formed on surface contains indicator composition, second has advantages transparency airtightness. composition pH sensitive dye. dye m-cresol violet, anthocyanins, thymolphidin, o-cresolphthalein, bromothymol blue, cresol red, cetyltrimethylammonium cation, neutral phenol rhodamine, sulfo rhodamine 101 thymol blue. simple structure, advantageous for miniaturization.
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