Dibasic Acids Containing Ether Linkages. I.

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  • エーテル結合を含む二塩基酸 (第1報)
  • エーテル ケツゴウ オ フクム ニ エンキサン 1 1 , 2-ビス- カルボキシアルコキシ エタン オヨビ プロパン ノ エステル , N-チカン アミド ノ カソカセイ
  • Plasticizing Activities of Esters and N-Substituted Amides of 1, 2-Bis (carboxyalkoxy) -ethanes and Propanes.
  • 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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Abstract

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.

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