{"id":1960,"date":"2018-01-10T18:02:28","date_gmt":"2018-01-10T15:02:28","guid":{"rendered":"http:\/\/polymerjournal.kiev.ua\/en\/?page_id=1960"},"modified":"2018-02-14T16:57:59","modified_gmt":"2018-02-14T13:57:59","slug":"2015-4-3","status":"publish","type":"page","link":"http:\/\/polymerjournal.kiev.ua\/en\/2015-4-3\/","title":{"rendered":"2015 (4) 3"},"content":{"rendered":"

https:\/\/doi.org\/10.15407\/polymerj.37.04.347<\/a><\/p>\n

Structural organization, thermomechanical and electrical properties of polyelectrolyte complexes based on pectin and polyethyleneimine<\/strong><\/p>\n

\u00a0<\/em><\/strong><\/p>\n

V.L. Demchenko, V.I. Shtompel, S.V. Riabov, T.A. Polischuk <\/em><\/strong><\/p>\n

 <\/p>\n

Institute of Macromolecular Chemistry, NAS of Ukraine<\/p>\n

48, Kharkivske shose, Kyiv, 02160, Ukraine<\/p>\n

 <\/p>\n

Polym. J., 2015, 37<\/strong>, no. 4: 347-353.<\/p>\n

 <\/p>\n

Section: Structure and properties.<\/p>\n

 <\/p>\n

Language: Ukrainian.<\/p>\n

 <\/p>\n

Abstract:<\/p>\n

Using the methods of Infra-Red Fourier spectroscopy, complex of structure investigations and thermomechanical methods, the structure and thermomechanical properties of polyelectrolyte complexes (PEC) with various relation of functional groups (pectin and polyethyleneimine (PEI)) [\u2013COOH]:[\u2013NH<\/em>2<\/em>] = 1:3, 1:1, 3:1 have been investigated. Wide-angle X-ray scattering investigation has defined that the average Bragg spacing between macromolecules chains of anionic and cationic electrolytes in the volume of stochiometric-composition PEC (1:1) and pectin-enriched composition PEC (3:1) is equal to 4,3 A, and for PEC enriched with PEI (1:3) it is equal to 4,4 A. The same method revealed that stochiometric-composition PEC has homogeneous structure \u2013 on contrary to non- stochiometric-composition PEC that is featured with micro-heterogeneous structure with effective distance l<\/em>p<\/em>\u00a0in the heterogeneous micro-regions equal to 12 and 38 nm. It is shown that all investigated polymeric systems are typical dielectrics.<\/em><\/p>\n

\u00a0<\/strong><\/p>\n

Key words:<\/strong> pectin, polyethyleneimine, polyelectrolyte complexes, structure, properties.<\/p>\n

 <\/p>\n

\u041b\u0456\u0442\u0435\u0440\u0430\u0442\u0443\u0440\u0430<\/strong><\/p>\n

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https:\/\/doi.org\/10.15407\/polymerj.37.04.347 Structural organization, thermomechanical and electrical properties of polyelectrolyte complexes based on pectin and polyethyleneimine \u00a0 V.L. Demchenko, V.I. Shtompel, S.V. Riabov, T.A. Polischuk   Institute of Macromolecular Chemistry, NAS of Ukraine 48, Kharkivske shose, Kyiv, 02160, Ukraine   Polym. J., 2015, 37, no. 4: 347-353.   Section: Structure and properties.   Language: Ukrainian.   […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"acf":[],"_links":{"self":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1960"}],"collection":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/comments?post=1960"}],"version-history":[{"count":2,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1960\/revisions"}],"predecessor-version":[{"id":2188,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1960\/revisions\/2188"}],"wp:attachment":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/media?parent=1960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}