In the presence of some special surfactants such as Arabic gum, polyvinyl alcohol or their mixture, the associated ion is soluble in water, accompanied with very sensitive color change.
在某些特殊型表面活性剂，如阿拉伯树胶、聚乙烯醇或其混合溶液的存在下，离子缔合物溶于水，并伴有极灵敏的颜色变化。
The printing ink is made by uniformly mixing (by mass ratio) 5 portions of heat-sensitive color-changing powder and 8-10 portions of resin oil. Its plastic facing film is a resin thin film.
印刷油墨由质量比为5份的热敏变色粉和8 ~ 10份的树脂油均匀混合制成、塑料面膜是树脂薄膜。
The printing ink is made by uniformly mixing (by mass ratio) 5 portions of heat-sensitive color-changing powder and 8-10 portions of resin oil. Its plastic facing film is a resin thin film.
印刷油墨由质量比为5份的热敏变色粉和8 ~ 10份的树脂油均匀混合制成、塑料面膜是树脂薄膜。
应用推荐