| 摘要 |
This silica sol dispersed in an organic solvent contains silica particles, acid phosphate esters represented in formula (1) below, and an organic solvent, wherein, as measured by a dynamic light scattering method, the diameter of the dispersed silica particles is 10-250nm. P=O((OCH2CH2)nOR)a(OH)b (1) (In the formula, R represents a carbohydrate group with carbon number 1-18, n is an integer 0-3, a is an integer 1-2, and b is 3-a.) |
