{"id":1459,"date":"2012-12-30T23:14:00","date_gmt":"2012-12-30T23:14:00","guid":{"rendered":"https:\/\/chempublishers.sourcingoutfit.com\/?p=1459"},"modified":"2025-01-21T07:10:23","modified_gmt":"2025-01-21T07:10:23","slug":"pjc-3112-2","status":"publish","type":"post","link":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2012\/12\/30\/pjc-3112-2\/","title":{"rendered":"Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1459\" class=\"elementor elementor-1459\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-426909b e-flex e-con-boxed e-con e-parent\" data-id=\"426909b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a6b5edb e-con-full e-flex e-con e-child\" data-id=\"a6b5edb\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ceda48 elementor-widget elementor-widget-text-editor\" data-id=\"8ceda48\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td><div><strong>Research Article | Open Access<\/strong><\/div><div class=\"item doi\"><span class=\"value\">Volume 2 | Issue 4 | Paper 07 |\u00a0 <a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i04.p07\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.15228\/2012.v02.i04.p07<\/a><\/span><\/div><\/td><\/tr><\/tbody><\/table><article class=\"obj_article_details\"><h1 class=\"page_title\">Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties<\/h1><div class=\"row\"><h4 class=\"main_entry\"><span class=\"name\">Z.A. AL Mousway<\/span><\/h4><p>Division of Basic Science &#8211; Agriculture College &#8211; Baghdad University &#8211; Baghdad, Iraq<\/p><h4 class=\"main_entry\"><span class=\"name\">A. J. Sadiq<\/span><\/h4><p>Division of Basic Science &#8211; Agriculture College &#8211; Baghdad University &#8211; Baghdad, Iraq<\/p><h4 class=\"main_entry\"><span class=\"name\">Z. H. Rheem<\/span><\/h4><p>Division of Basic Science &#8211; Agriculture College &#8211; Baghdad University &#8211; Baghdad, Iraq<\/p><table border=\"0\" width=\"93%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td align=\"center\" valign=\"top\"><strong>Received<\/strong><br \/>30 Mar, 2012<\/td><td align=\"center\" valign=\"top\"><strong>Accepted<\/strong><br \/>30 Jun, 2012<\/td><td align=\"center\" valign=\"top\"><strong>Published<\/strong><br \/>30 Dec, 2012<\/td><\/tr><\/tbody><\/table><div class=\"item abstract\"><p align=\"justify\">ABSTRACT:<\/p><p class=\"ql-align-justify\">Polyethylene glycol 20000 was modified by copolymerization with 4, 4-Azo di benzoic acid, using cold-warm esterfication. The modified copolymer has been characterized by Fourier transform infrared spectrophotometer (FT-IR) which showed characteristic vibrational bands of OH, CO and N=N groups. The modified copolymer was subjected to differential scanning colorimeter (DSC), conductivity and swelling measurements. The obtained results of the thermal behavior (DSC) for the different percentage of prepared copolymers were (I=10% PEG +10% 4, 4-Azo di benzoic acid)= 54.2<sup>\u25e6<\/sup>C, as well as (II=20%) = 68.6\u25e6C, (III=30%) = 81.5\u25e6C, (IV=40%) = 93.3\u25e6C and (V=50%) = 120 \u25e6C. This means that perfect results when the polyethylene glycol 50% mixed with 50% of 4, 4-Azo di benzoic acid. While the conductivity of all copolymer in an aqueous phase with varying chain lengths of PEG reacted with 4, 4-Azo di benzoic acid, in different percentage were (I) = 75.6, (II) = 151.8, (III) = 165.3, (IV) = 226 and (V) = 277 \u039bm(S.cm<sup>2<\/sup>\u00a0.mol<sup>-1<\/sup>\u00a0). In ethanol, the copolymers were observed to have electrolyte behaviors. The solubility of the prepared copolymer was tested in different solvents at 25\u25e6C. It is highly soluble in DMSO and DMF and insoluble in other solvents. The experiment of measuring the degree of swelling under room temperature, in equal periods of time, showed good water uptake and required ~12 hours for reaching the equilibrium for the different percentage of prepared copolymers.<\/p><p>\u00a0<\/p><\/div><div class=\"item abstract\"><div><h3 class=\"label\">How to Cite this paper?<\/h3><div class=\"csl-entry\"><p><strong>APA-7 Style<\/strong><br \/>AL Mousway, Z.A., Sadiq, A.J., Rheem, Z.H. (2012). Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties<br \/>.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i04.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>, 2(4), 194-199<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i04.p07<br \/><br \/><strong>ACS Style<\/strong><br \/>AL Mousway, Z.A.; Sadiq, A.J.; Rheem, Z.H. Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties<br \/>.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i04.p07\" target=\"_blank\" rel=\"noopener\"><em>Pak. J. Chem.<\/em>\u00a02012, 2, 194-199<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i04.p07<br \/><br \/><strong>AMA Style<\/strong><br \/>AL Mousway ZA, Sadiq AJ, Rheem ZH. Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties<br \/>.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i04.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>. 2012; 2(4): 194-199<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i04.p07<br \/><br \/><strong>Chicago\/Turabian Style<\/strong><br \/>AL Mousway, Z., A., A. J. Sadiq, and Z. H. Rheem. 2012. &#8220;Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties<br \/>&#8221;\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2012.v02.i04.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>\u00a02, no. 4: 194-199<\/a>. https:\/\/doi.org\/10.15228\/2012.v02.i04.p07<\/p><\/div><p>\u00a0<\/p><\/div><\/div><div class=\"item copyright\"><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\"><img decoding=\"async\" src=\"https:\/\/i.creativecommons.org\/l\/by\/4.0\/88x31.png\" alt=\"Creative Commons License\" \/><\/a><p>This work is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\">Creative Commons Attribution 4.0 International License<\/a>.<\/p><\/div><\/div><\/article>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-31b1f5a e-con-full e-flex e-con e-child\" data-id=\"31b1f5a\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Research Article | Open AccessVolume 2 | Issue 4 | Paper 07 |\u00a0 https:\/\/doi.org\/10.15228\/2012.v02.i04.p07 Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties Z.A. AL Mousway Division of Basic Science &#8211; Agriculture College &#8211; Baghdad University &#8211; Baghdad, Iraq A. J. Sadiq Division of Basic Science &#8211; [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1459","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties - Pakistan Journal of Chemistry<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2012\/12\/30\/pjc-3112-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties - Pakistan Journal of Chemistry\" \/>\n<meta property=\"og:description\" content=\"Research Article | Open AccessVolume 2 | Issue 4 | Paper 07 |\u00a0 https:\/\/doi.org\/10.15228\/2012.v02.i04.p07 Modification of Poly Ethylene Glycol with 4, 4-Azo Di Benzoic Acid and Study of Its Physical Properties Z.A. 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