エーテル結合を含む二塩基酸-1-1,2-ビス-(カルボキシアルコキシ)エタンおよびプロパンのエステル,N-置換アミドの可塑化性

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Authors synthesized three dibasic alkoxy acids; 1, 2-his (carboxy methoxy) -ethane, 1, 2-bis (β-carboxy ethoxy) -ethane and 1, 2-bis (β-carboxy ethoxy) -propane; by the cyanoethylation of ethylene-and propyleneglycol and by the oxidation of triethylene glycol with nitric acid. These acids were then reacted with octyl-, dodecyl-, benzyl-, and 2-ethyl hexyl-alcohols by the routine method, thus obtaining diesters. Diamides were also obtained by the reaction of dimethyl esters of those dibasic acids with octyl-, dodecyl- and benzylamines. <BR>Diesters and diamides thus obtained were investigated for use of P.V.C. plasticizer. As a result, these diesters were excellent in low temperature performance, and the diamides were excellent in mechanical properties, especially, the didodecyl ester of 1, 2-bis (-carboxy ethoxy) -propane had good thermal stability with excellent low temperature characteristics.
日本油化学会の論文