| 摘要 |
PROBLEM TO BE SOLVED: To provide a color soap bubble solution that colors soap bubbles without using a water soluble food pigment or water dispersible fine particle pigment and does not stain clothing or a wall surface. SOLUTION: The color soap bubble solution that does not stain clothing or a wall can be made by adjusting a composition comprising a pH indicator which is colorless at a pH of 8.8 or lower and colors at a pH of 9.8 or higher, a combination of a chlorine-resistant water soluble polymer compound and a nonionic surface active agent or a combination of a nonionic surface active agent and a negative ion surface active agent, an antiseptic, and water by an inorganic base compound at a pH of 9.8 or higher. COPYRIGHT: (C)2006,JPO&NCIPI
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