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    • 2. 发明专利
    • Halogen and heavy metal-free composition for humidity display, and humidity indicator card comprising the same
    • 用于湿度显示的卤素和重金属非金属组合物和包含其的湿度指示剂卡
    • JP2011132529A
    • 2011-07-07
    • JP2010288895
    • 2010-12-24
    • Sued-Chemie Agジュート−ヒェミー アクチェンゲゼルシャフト
    • KNYRIM JOHANNADICK STEFAN
    • C09K3/00
    • G01N31/222
    • PROBLEM TO BE SOLVED: To provide a composition for humidity display containing no halogen compound and no heavy metal, and having precision, legibility rate and reliability that is the same as or improved from the level of a conventional composition for humidity display.
      SOLUTION: There is provided a composition for humidity display, contains (a) an organic pH indicating dye compound, (b) a Bronsted acid or base, (c) a polyol having a general formula: HOCH
      2 -(CHOH)
      n -CH
      2 OH, wherein n is 0, 1, 2, 3 or 4, and (d) a solvent, and the components (a), (b), (c) and (d) contain no halogen and/or no heavy metals. Furthermore, the invention relates to a humidity indicator card comprising a base material and the composition for the humidity display allowed to evaporate the solvent, and a method for manufacturing the humidity indicator card.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种不含卤素化合物和不含重金属的湿度显示组合物,并且具有与用于湿度显示的常规组合物的水平相同或改善的精度,可读性和可靠性的组合物。 提供了一种用于湿度显示的组合物,其包含(a)有机pH指示染料化合物,(b)布朗斯台德酸或碱,(c)具有以下通式的多元醇:HOCH 2 < / SB> - (CHOH) n -CH 2 OH,其中n为0,1,2,3或4,和(d)溶剂, (a),(b),(c)和(d)不含卤素和/或不含重金属。 此外,本发明涉及一种湿度指示卡,其包括基材和用于使溶剂蒸发的湿度显示器的组合物,以及用于制造湿度指示卡的方法。 版权所有(C)2011,JPO&INPIT