| abstract |
The present invention provides a material which is good in compatibility with a monomer and can be used as a dispersant even after one week or more has elapsed since the preparation of the dispersion. The dispersion according to the present invention is characterized by containing metal oxide particles having an average primary particle diameter of 50 nm or less, an organic acid, a dispersion medium, and an organic phosphorus compound of formula (1) or an organic sulfur compound of formula (2). |