| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a surfactant composition excellent in gel dispersibility. <P>SOLUTION: In the method for producing a surfactant composition containing (A) an anionic surfactant, (B) a nonionic surfactant, (C) an amphoteric surfactant, (D) a water-swellable clay mineral and (E) water, the (A) to (C) components and a part (E1) of the (E) component are mixed at ordinary temperature so that the mass ratio of (E1)/((A)+(B)+(C)) becomes 0.6-1.0 and then heated to 50-80°C, and subsequently, the (D) component and a part (E2) of the (E) component are mixed so that the mass ratio of (E2)/((A)+(B)+(C)) becomes 0.1-0.3 and the mass ratio of (D)/((A)+(B)+(C)) becomes 0.001-0.004, and further, the remainder (E3) of the (E) component is mixed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
