| 摘要 |
The present invention is concerned with compounds of the formula: …<CHEM>… wherein M is a cation which is alkali metal, ammonium, amino or hydrogen; and each of A and B is a group which, together with the carboxyl group to which it is attached, forms an ester, at least one of A and B being a group having the formula: …<CHEM>… wherein x is from 0 to 5. …<??>The compounds of the invention are useful as graftable and/or copolymerizable surfactants in latex preparation. |
