Synthesis of polyimides in supercritical carbon dioxideстатья
Информация о цитировании статьи получена из
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Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Местоположение издательства:Road Town, United Kingdom
Первая страница:377
Последняя страница:380
Аннотация:High-molecular-mass polyimides were synthesized in the supercritical carbon dioxide by the one-step polycyclization of diamines and tetracarboxylic dianhydrides under batch and flow regimes. The effect of various reaction parameters (including the content of water in the reaction system) on the structure, molecular mass, and yield of polymers was studied. It was shown that the solubility of monomers in supercritical CO2 is indecisive for polymer growth. It was hypothesized that CO2 exhibits catalytic activity when polyimides are prepared in the presence of water.