| 摘要 |
<p>Urea derivs have the formula: (where Ph is an ortho-, meta-, or para-linked phenylene ring and R is 2-ethylhexyl-, 2-butyloctyl-, 2-hexyldecyl, 2-octyldecyl-, 2-decyltetradecyl-, 2-dodecylcetyl-, 2-isohexyl-isooctyl-, 2-isoheptyl-isononyl-, isooctyl-, isononyl- or butoxyethylene-group. They are specif. used in concns of 0.2-20 wt.% esp. 0.4.5-0 wt.% in cosmetic prepns based on mineral oils.</p> |
