| 摘要 |
<p>Adducts of glycidylester of α,α-branched carboxylic acids having from 5 to 15 carbon atoms in the acid residue, and a carboxyl acid or its anhydride, containing predominantly or exclusively secondary OH groups, obtainable by the straight reaction of said glycidylester and the carboxylic acid or the conversion of an initially formed mixture of adducts, comprising predominantly adducts bearing primary OH groups, in the presence of a catalyst selected from one or more organic phosphonium, ammonium or sulphonium compounds, or mixtures thereof, and in the presence of an aprotonic polar organic solvent; and coating compositions comprising a binder component derived from said adducts; and a process for the preparation of said adducts.</p> |
