{"id":1796,"date":"2018-01-10T14:41:05","date_gmt":"2018-01-10T11:41:05","guid":{"rendered":"http:\/\/polymerjournal.kiev.ua\/en\/?page_id=1796"},"modified":"2018-02-14T15:46:59","modified_gmt":"2018-02-14T12:46:59","slug":"2016-1-6","status":"publish","type":"page","link":"http:\/\/polymerjournal.kiev.ua\/en\/2016-1-6\/","title":{"rendered":"2016 (1) 6"},"content":{"rendered":"<p><a href=\"https:\/\/doi.org\/10.15407\/polymerj.38.01.047\">https:\/\/doi.org\/10.15407\/polymerj.38.01.047<\/a><\/p>\n<p><strong>The features of the kinetics of formation of organic-inorganic interpenetrating polymer networks (OI IPNs) based on crosslinked polyurethane (PU), polyhydroxyethylmethacrylate (PGEMA) and polititaniumoxide (\u2013TiO<\/strong><strong>2<\/strong><strong>\u2013)<\/strong><strong><em>n<\/em><\/strong><strong>,\u00a0 obtained by\u00a0 sol-gel method<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong><em>T.V. Tsebrienko, <\/em><\/strong><strong><em>\u0422<\/em><\/strong><strong><em>.<\/em><\/strong><strong><em>\u0422<\/em><\/strong><strong><em>. Alekseeva<\/em><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Institute of Macromolecular Chemistry NAS of Ukraine<\/p>\n<p>48, Kharkivske sh\u043ese, Kyiv, 02160, Ukraine<\/p>\n<p>&nbsp;<\/p>\n<p>Polym. J., 2016, <strong>38<\/strong>, no. 1: 47-55.<\/p>\n<p>&nbsp;<\/p>\n<p>Section: Structure and properties.<\/p>\n<p>&nbsp;<\/p>\n<p>Language: Russian.<\/p>\n<p>&nbsp;<\/p>\n<p>Abstract:<\/p>\n<p><em>The features of the kinetics of formation of organic-inorganic interpenetrating polymer networks (OI IPNs) based on crosslinked polyurethane (PU), polyhydroxyethylmethacrylate (PGEMA) and polititaniumoxide (-TiO<\/em><em>2<\/em><em>-)<\/em><em>n<\/em><em>,\u00a0 obtained by\u00a0 sol-gel method, have been investigated. OI IPNs were obtained by variation the ratio of components PU\/PGEMA, content (-TiO<\/em><em>2<\/em><em>-)<\/em><em>n<\/em><em>\u00a0and the molar ratio of titanium isopropoxide (Ti(OPr<\/em><em>i<\/em><em>)<\/em><em>4<\/em><em>) to the water. It was established that the reaction of formation of urethane in IPNs catalyzed by\u00a0 polititaniumoxide, which effects on the rate of formation of PGEMA-component. It was shown that the rate of formation of\u00a0 PGEMA-component increased when content of (-TiO<\/em><em>2<\/em><em>-)<\/em><em>n<\/em><em>\u00a0in OI IPNs\u00a0 reduced, regardless of the molar ratio of Ti(OPr<\/em><em>i<\/em><em>)<\/em><em>4<\/em><em>\/H<\/em><em>2<\/em><em>O. It is\u00a0 associated with appearance of the \u201ccell\u201d effect. It was found that the content of PU component effects on the rate of formation PGEMA-component. The\u00a0 increase of PU component in the OI IPNs composition, leads to slow reaction of radical polymerization due to steric hindrance and gain the \u201ccell\u201d effect.<\/em><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Key words:\u00a0 <\/strong>sol-gel method, titanium isopropoxide, organic-inorganic interpenetrating polymer networks, polititaniumoxide, kinetics.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u041b\u0438\u0442\u0435\u0440\u0430\u0442\u0443\u0440\u0430<\/strong><\/p>\n<p>1. Chen X., Mao S. S. Titanium Dioxide Nanomaterials: Synthesis, Properties, Modification, and Application \/\/ Chem. Rev. \u2013 2007. &#8211; 107. \u2013 P. 2891-2959.<br \/>\n2. da Silva V.D.,dos Santos L.M., Suba S.M. Synthesis and characterization of polyurethane\/titanium dioxide nanocomposits obtained by in situ polymerization \/\/ Polym. Bull. &#8211; 2013. \u2013 70. \u2013 P. 1819-1833.<br \/>\n3. Chen Y., Yuan T., Zhang Q., Fan H. Asymmetric Polyurethane Membrane with In situ-Generated Nano-TiO2 as Wound Dressing \/\/ J. Appl. Polym. Sci. \u2013 2010. &#8211; 119. \u2013P. 1532-1541.<br \/>\n4. Ao C. H., Lee S. C., Yu J. C. Photocatalyst TiO2 supported on glass fiber for indoor air purification: effect of NO on the photodegradation of CO and NO2 \/\/ J. Photochem. Photobiol. \u2013 2003. \u2013 156. \u2013 P. 171-177.<br \/>\n5. Nakata K., Fujishimaa A., Photochem J. TiO2 photocatalysis: Design and applications \/\/ Photobiol. \u2013 2012 \u2013 13. \u2013 P.169-189.<br \/>\n6. Luo X., Zha C., Luther-Davies B. Photosensitivity of titania-doped hybrid polymer prepared by an anhydrous sol\u2013gel process \/\/ Opt. Mater. \u2013 2004. \u2013 27. \u2013 P.1461-1466.<br \/>\n7. Kuznetsov A., Kameneva O., Alexandrov A., Bityurin N., Marteau Ph. Light-induced charge separation and storage in titanium oxide gels \/\/ J. Phys. Chem. Part B. \u2013 2005. \u2013 42. \u2013 P.19767.<br \/>\n8. 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Tsebrienko, \u0422.\u0422. Alekseeva &nbsp; Institute of Macromolecular Chemistry NAS of Ukraine 48, Kharkivske sh\u043ese, Kyiv, 02160, Ukraine &nbsp; Polym. J., 2016, 38, no. 1: [&hellip;]<\/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\/1796"}],"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=1796"}],"version-history":[{"count":2,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1796\/revisions"}],"predecessor-version":[{"id":2179,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1796\/revisions\/2179"}],"wp:attachment":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/media?parent=1796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}