Citation: JI Aixue, LI Shigui, LU Chengxun. A NEW ACTIVE DIESTER FOR SELECTIVE POLYMERIZATION TO FORM FUNCTIONAL POLYAMIDES[J]. Chinese Journal of Polymer Science, ;1989, 7(1): 75-82. shu

A NEW ACTIVE DIESTER FOR SELECTIVE POLYMERIZATION TO FORM FUNCTIONAL POLYAMIDES

Received Date: 8 April 1988

A new synthetic route to polyamides and hydroxyl polyamides was established, based on the selecting (?)-acylation of three novel typical active diesters: the active diester of N-hydroxy- (?) 4-epoxy-5-cyclohexene-2, 3-dicarboximide( HOEC), such as N, N'-(temphthaloyldioxy) bis(1, 4- epoxy - 5 - cyclohexene- 2, 3 - dicarboximide.) ( PBOEC), N, N'- ( isophthaloyl - dioxy) bis (1,4-epoxy-5-cyclohexene-2, 3-dicarboximide)(IPBOEC) and N, N' -(adipoyldioxy) his (1,4-epoxy-5-cyclohexene-2, 3-dicarboximide) ( ADOEC)with aliphatic diamines and 1,3-diamino-2-hydroxypropane.The polycondensation occurs at room temperature in solution without added catalyst.Dipolar aprotic solvents solvents which include dimethyl sulfoxide,N-methyl-2-pyrrolidone and dimethylformamide were used as solvents for polymerization.The selective N-acylation of two active diesters was performed as a model reaction study.
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