Copolymers of pyromellitic tetranitrile and urea: Synthesis, structure, and magnetic propertiesстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 22 апреля 2015 г.
Аннотация:The methods of synthesis of metal-free and copper-, iron-, and manganese-containing copolymers of pyromellitic tetranitrile with urea and thiourea are developed. The structural, physical, and physicochemical properties of the copolymers are studied. The copolymers have different levels of crystallinity, demonstrate stability during heating in air to 300-400A degrees C, and exhibit paramagnetic properties. Some copolymers feature weak ferromagnetism at room temperature.