There is provided a liquid detergent composition which yields superior detergency and a whitening effect and also exhibits excellent storage stability,
the liquid detergent composition including 50 to 70% by mass of a nonionic surfactant (A) represented by formula (I) or formula (I') shown below [in formula (I), R1 represents a linear or branched alkyl or alkenyl group of 5 to 21 carbon atoms; R2 represents an alkylene group of 2 to 4 carbon atoms; R3 represents an alkyl group of 1 to 4 carbon atoms; and n represents an average number of added moles of -OR2, which is from 5 to 30; in formula (I'), R4 represents a hydrocarbon group derived from a secondary alcohol of 8 to 30 carbon atoms; R2 represents an alkylene group of 2 to 4 carbon atoms; and m represents an average number of added moles of -R2O-, which is from 5 to 20], 1 to 10% by mass of an anionic surfactant (B), and 0.05 to 1% by mass of a 4,4'-bis(2-sulfostyryl)biphenyl disodium salt serving as a fluorescent whitening agent (C).
[Chemical Formula 2] R4-O-(R2O)m-H (I')
本发明提供了一种液体洗涤剂组合物,它具有优异的去污力和增白效果,同时还具有极佳的贮存稳定性、
该液体洗涤剂组合物包括质量分数为 50%至 70%的由下式(I)或式(I')代表的非离子表面活性剂(A)[在式(I)中,R1 代表 5 至 21 个碳原子的直链或支链烷基或烯基;R2 代表 2 至 4 个碳原子的亚烷基;R3 代表 1 至 4 个碳原子的烷基;在式 (I')中,R4 代表来自 8 至 30 个碳原子的仲醇的烃基;R2 代表 2 至 4 个碳原子的亚烷基;m 代表平均添加摩尔数的 -R2O-,其摩尔数为 5 至 20],1 至 10%(质量百分比)的阴离子表面活性剂 (B),以及 0.05%至 1%(质量百分比)的作为
荧光增白剂的 4,4'-双(2-磺
丙烯基)
联苯二钠盐(C)。
[
化学式 2] R4-O-(R2O)m-H (I')