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    • 3. 发明授权
    • Alkyl toluene sulfonate detergent
    • 烷基甲苯磺酸盐洗涤剂
    • US06995127B1
    • 2006-02-07
    • US09665642
    • 2000-09-19
    • George A. SmithPrakasa R. AnantaneniSamir S. AshrawiRaeda M. Smadi
    • George A. SmithPrakasa R. AnantaneniSamir S. AshrawiRaeda M. Smadi
    • C11D17/00
    • C11D3/3418C11D1/22
    • This invention is directed to detergent compositions which employ sulfonated alkyltoluenes as surfactants, wherein the sulfonated alkyltoluenes have a higher content of the sulfonated 2-phenyl alkyltoluenes isomers than was previously available in sulfonated alkyltoluene surfactants of the prior art. Cleaning compositions according to the invention are more effective as cleaning agents over their counterparts of prior art which contain sulfonated alkyltoluenes having lower contents of the 2-phenyl alkyltoluene isomers, owing to an unexpected increase in tolerance of water hardness minerals normally associated with precipitation of the active detergent agent. Solid sulfonate salts of alkyltoluenes are also provided, including dry cleaning formulations containing same. The alkyltoluenes of this invention may be combined with alkylbenzene surfactants in order to provide detergent blends having increased water hardness tolerance, lower Krafft temperature, and increased cleaning performance over what was previously afforded by the prior art.
    • 本发明涉及使用磺化烷基甲苯作为表面活性剂的洗涤剂组合物,其中磺化烷基甲苯具有比以前在现有技术的磺化烷基甲苯表面活性剂中可获得的磺化2-苯基烷基甲苯异构体更高的含量。 根据本发明的清洁组合物比现有技术的清洁剂更有效,其中含有较低含量的2-苯基烷基甲苯异构体的磺化烷基甲苯,因为通常与 活性洗涤剂。 还提供了烷基甲苯的固体磺酸盐,包括含有它们的干洗制剂。 本发明的烷基甲苯可与烷基苯表面活性剂组合,以提供具有增加的水硬度耐受性,较低克拉夫特温度和相对于现有技术以前提供的清洁性能提高的清洁性能的洗涤剂混合物。