Provided, among other things, is a breach or contamination indicating elastomeric article for indicating a breach or contamination by a selected chemical or group of chemicals, the article having an exterior and interior and comprising: (1) an interior elastomeric layer selected to resist permeation by the selected chemical(s); and (2) exterior thereto, a contiguous or dis-contiguous first indicating layer comprising a dye or pigment and an opacifying agent, the dye or pigment providing the layer with color, the first indicating layer changing color and/or opacity when contacted with a selected chemical such regions of the article where the layer is so contacted contrast with non-contacted regions. A subsequent, interior layer can provide a safety buffer allowing for removal or disposal prior to any potential for harm. A second, interior indicating layer can be used to make the warning louder when a serious breach is occurring.
除其他外,还提供了一种破损或污染指示弹性体物品,用于指示破损或所选
化学品或
化学品组的污染,该物品具有外部和内部,包括:(1) 内部弹性体层,该层被选定为可抵抗所选
化学品的渗透;以及(2) 外部连续或不连续的第一指示层,该层包括
染料或
颜料:(1)内部的弹性体层,该层被选定用于抵抗所选
化学品的渗透;以及(2)外部的连续或不连续的第一指示层,该层由
染料或
颜料以及不透明剂组成,
染料或
颜料为该层提供颜色,当第一指示层与所选
化学品接触时,该层的颜色和/或不透明度发生变化,该层接触的区域与未接触的区域形成对比。随后的内部指示层可以提供安全缓冲,以便在可能造成危害之前进行移除或处理。第二层内部指示层可用于在发生严重破坏时发出更响亮的警告。