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NOVEL CONCENTRATED AQUEOUS SOLUTIONS OF BENZIMIDAZOLIUM BRIGHTENERS, PROCESS FOR THEIR PREPARATION AND THEIR USE FOR OPTICAL BRIGHTNESS OF ORGANIC MATERIALS
NOVEL CONCENTRATED AQUEOUS SOLUTIONS OF BENZIMIDAZOLIUM BRIGHTENERS, PROCESS FOR THEIR PREPARATION AND THEIR USE FOR OPTICAL BRIGHTNESS OF ORGANIC MATERIALS
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机译：苯并咪唑增白剂的新型浓缩水溶液，其制备方法及其在有机材料中的光亮度的使用
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摘要
The concentrated aqueous solutions of benzimidazolium brightener, stable in storage, are characterized by the fact that they contain: a. 0.1 to 40% by weight of at least one water-soluble benzimidazolium brightener corresponding to the formula:
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